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Commit | Line | Data |
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55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
55682965 JB |
5 | */ |
6 | ||
7 | #include <linux/if.h> | |
8 | #include <linux/module.h> | |
9 | #include <linux/err.h> | |
5a0e3ad6 | 10 | #include <linux/slab.h> |
55682965 JB |
11 | #include <linux/list.h> |
12 | #include <linux/if_ether.h> | |
13 | #include <linux/ieee80211.h> | |
14 | #include <linux/nl80211.h> | |
15 | #include <linux/rtnetlink.h> | |
16 | #include <linux/netlink.h> | |
2a519311 | 17 | #include <linux/etherdevice.h> |
463d0183 | 18 | #include <net/net_namespace.h> |
55682965 JB |
19 | #include <net/genetlink.h> |
20 | #include <net/cfg80211.h> | |
463d0183 | 21 | #include <net/sock.h> |
2a0e047e | 22 | #include <net/inet_connection_sock.h> |
55682965 JB |
23 | #include "core.h" |
24 | #include "nl80211.h" | |
b2e1b302 | 25 | #include "reg.h" |
e35e4d28 | 26 | #include "rdev-ops.h" |
55682965 | 27 | |
5fb628e9 JM |
28 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
29 | struct genl_info *info, | |
30 | struct cfg80211_crypto_settings *settings, | |
31 | int cipher_limit); | |
32 | ||
4c476991 JB |
33 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, |
34 | struct genl_info *info); | |
35 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
36 | struct genl_info *info); | |
37 | ||
55682965 JB |
38 | /* the netlink family */ |
39 | static struct genl_family nl80211_fam = { | |
fb4e1568 MH |
40 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ |
41 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ | |
42 | .hdrsize = 0, /* no private header */ | |
43 | .version = 1, /* no particular meaning now */ | |
55682965 | 44 | .maxattr = NL80211_ATTR_MAX, |
463d0183 | 45 | .netnsok = true, |
4c476991 JB |
46 | .pre_doit = nl80211_pre_doit, |
47 | .post_doit = nl80211_post_doit, | |
55682965 JB |
48 | }; |
49 | ||
89a54e48 JB |
50 | /* returns ERR_PTR values */ |
51 | static struct wireless_dev * | |
52 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 53 | { |
89a54e48 JB |
54 | struct cfg80211_registered_device *rdev; |
55 | struct wireless_dev *result = NULL; | |
56 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
57 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
58 | u64 wdev_id; | |
59 | int wiphy_idx = -1; | |
60 | int ifidx = -1; | |
55682965 | 61 | |
5fe231e8 | 62 | ASSERT_RTNL(); |
55682965 | 63 | |
89a54e48 JB |
64 | if (!have_ifidx && !have_wdev_id) |
65 | return ERR_PTR(-EINVAL); | |
55682965 | 66 | |
89a54e48 JB |
67 | if (have_ifidx) |
68 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
69 | if (have_wdev_id) { | |
70 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
71 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
72 | } |
73 | ||
89a54e48 JB |
74 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
75 | struct wireless_dev *wdev; | |
76 | ||
77 | if (wiphy_net(&rdev->wiphy) != netns) | |
78 | continue; | |
79 | ||
80 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
81 | continue; | |
82 | ||
89a54e48 JB |
83 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
84 | if (have_ifidx && wdev->netdev && | |
85 | wdev->netdev->ifindex == ifidx) { | |
86 | result = wdev; | |
87 | break; | |
88 | } | |
89 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
90 | result = wdev; | |
91 | break; | |
92 | } | |
93 | } | |
89a54e48 JB |
94 | |
95 | if (result) | |
96 | break; | |
97 | } | |
98 | ||
99 | if (result) | |
100 | return result; | |
101 | return ERR_PTR(-ENODEV); | |
55682965 JB |
102 | } |
103 | ||
a9455408 | 104 | static struct cfg80211_registered_device * |
878d9ec7 | 105 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 106 | { |
7fee4778 JB |
107 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
108 | struct net_device *netdev; | |
a9455408 | 109 | |
5fe231e8 | 110 | ASSERT_RTNL(); |
a9455408 | 111 | |
878d9ec7 | 112 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
113 | !attrs[NL80211_ATTR_IFINDEX] && |
114 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
115 | return ERR_PTR(-EINVAL); |
116 | ||
878d9ec7 | 117 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 118 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 119 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 120 | |
89a54e48 JB |
121 | if (attrs[NL80211_ATTR_WDEV]) { |
122 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
123 | struct wireless_dev *wdev; | |
124 | bool found = false; | |
125 | ||
126 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
127 | if (tmp) { | |
128 | /* make sure wdev exists */ | |
89a54e48 JB |
129 | list_for_each_entry(wdev, &tmp->wdev_list, list) { |
130 | if (wdev->identifier != (u32)wdev_id) | |
131 | continue; | |
132 | found = true; | |
133 | break; | |
134 | } | |
89a54e48 JB |
135 | |
136 | if (!found) | |
137 | tmp = NULL; | |
138 | ||
139 | if (rdev && tmp != rdev) | |
140 | return ERR_PTR(-EINVAL); | |
141 | rdev = tmp; | |
142 | } | |
143 | } | |
144 | ||
878d9ec7 JB |
145 | if (attrs[NL80211_ATTR_IFINDEX]) { |
146 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
4f7eff10 | 147 | netdev = dev_get_by_index(netns, ifindex); |
7fee4778 JB |
148 | if (netdev) { |
149 | if (netdev->ieee80211_ptr) | |
150 | tmp = wiphy_to_dev( | |
151 | netdev->ieee80211_ptr->wiphy); | |
152 | else | |
153 | tmp = NULL; | |
154 | ||
155 | dev_put(netdev); | |
156 | ||
157 | /* not wireless device -- return error */ | |
158 | if (!tmp) | |
159 | return ERR_PTR(-EINVAL); | |
160 | ||
161 | /* mismatch -- return error */ | |
162 | if (rdev && tmp != rdev) | |
163 | return ERR_PTR(-EINVAL); | |
164 | ||
165 | rdev = tmp; | |
a9455408 | 166 | } |
a9455408 | 167 | } |
a9455408 | 168 | |
4f7eff10 JB |
169 | if (!rdev) |
170 | return ERR_PTR(-ENODEV); | |
a9455408 | 171 | |
4f7eff10 JB |
172 | if (netns != wiphy_net(&rdev->wiphy)) |
173 | return ERR_PTR(-ENODEV); | |
174 | ||
175 | return rdev; | |
a9455408 JB |
176 | } |
177 | ||
178 | /* | |
179 | * This function returns a pointer to the driver | |
180 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
181 | * |
182 | * The result of this can be a PTR_ERR and hence must | |
183 | * be checked with IS_ERR() for errors. | |
184 | */ | |
185 | static struct cfg80211_registered_device * | |
4f7eff10 | 186 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 187 | { |
5fe231e8 | 188 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
189 | } |
190 | ||
55682965 | 191 | /* policy for the attributes */ |
b54452b0 | 192 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
55682965 JB |
193 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
194 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 195 | .len = 20-1 }, |
31888487 | 196 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 197 | |
72bdcf34 | 198 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 199 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
200 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
201 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
202 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
203 | ||
b9a5f8ca JM |
204 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
205 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
206 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
207 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 208 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
55682965 JB |
209 | |
210 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
211 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
212 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 213 | |
e007b857 EP |
214 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
215 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 216 | |
b9454e83 | 217 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
218 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
219 | .len = WLAN_MAX_KEY_LEN }, | |
220 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
221 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
222 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 223 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 224 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
225 | |
226 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
227 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
228 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
229 | .len = IEEE80211_MAX_DATA_LEN }, | |
230 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
231 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
232 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
233 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
234 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
235 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
236 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 237 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 238 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 239 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 240 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 241 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 242 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 243 | |
b2e1b302 LR |
244 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
245 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
246 | ||
9f1ba906 JM |
247 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
248 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
249 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
250 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
251 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 252 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 253 | |
24bdd9f4 | 254 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 255 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 256 | |
6c739419 | 257 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
258 | |
259 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
260 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
261 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
262 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
263 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
264 | |
265 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
266 | .len = IEEE80211_MAX_SSID_LEN }, | |
267 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
268 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 269 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 270 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 271 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
272 | [NL80211_ATTR_STA_FLAGS2] = { |
273 | .len = sizeof(struct nl80211_sta_flag_update), | |
274 | }, | |
3f77316c | 275 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
276 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
277 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
278 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
279 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
280 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 281 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 282 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
283 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
284 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
285 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
286 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 287 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
288 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
289 | .len = IEEE80211_MAX_DATA_LEN }, | |
290 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 291 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 292 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 293 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 294 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
295 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
296 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 297 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
298 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
299 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 300 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 301 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 302 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 303 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 304 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 305 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 306 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 307 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 308 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
309 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
310 | .len = IEEE80211_MAX_DATA_LEN }, | |
311 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
312 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 313 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 314 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 315 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
316 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
317 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
318 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
319 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
320 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
e247bd90 | 321 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
322 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
323 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 324 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
325 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
326 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
327 | .len = NL80211_HT_CAPABILITY_LEN | |
328 | }, | |
1d9d9213 | 329 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 330 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 331 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 332 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 333 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
e39e5b5e | 334 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 335 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 336 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
337 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
338 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
339 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
340 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
341 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
342 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 343 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
344 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
345 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
346 | .len = NL80211_VHT_CAPABILITY_LEN, | |
347 | }, | |
355199e0 JM |
348 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
349 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
350 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 351 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
352 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
353 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
354 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
355 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_U16 }, | |
356 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_U16 }, | |
c01fc9ad SD |
357 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
358 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 359 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
55682965 JB |
360 | }; |
361 | ||
e31b8213 | 362 | /* policy for the key attributes */ |
b54452b0 | 363 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 364 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
365 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
366 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 367 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
368 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
369 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 370 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
371 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
372 | }; | |
373 | ||
374 | /* policy for the key default flags */ | |
375 | static const struct nla_policy | |
376 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
377 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
378 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
379 | }; |
380 | ||
ff1b6e69 JB |
381 | /* policy for WoWLAN attributes */ |
382 | static const struct nla_policy | |
383 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
384 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
385 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
386 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
387 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
388 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
389 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
390 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
391 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e JB |
392 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
393 | }; | |
394 | ||
395 | static const struct nla_policy | |
396 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
397 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
398 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
399 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
400 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
401 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
402 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
403 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
404 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
405 | }, | |
406 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
407 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
408 | }, | |
409 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
410 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
411 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
412 | }; |
413 | ||
be29b99a AK |
414 | /* policy for coalesce rule attributes */ |
415 | static const struct nla_policy | |
416 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
417 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
418 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
419 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
420 | }; | |
421 | ||
e5497d76 JB |
422 | /* policy for GTK rekey offload attributes */ |
423 | static const struct nla_policy | |
424 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
425 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
426 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
427 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
428 | }; | |
429 | ||
a1f1c21c LC |
430 | static const struct nla_policy |
431 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 432 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 433 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 434 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
435 | }; |
436 | ||
97990a06 JB |
437 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
438 | struct netlink_callback *cb, | |
439 | struct cfg80211_registered_device **rdev, | |
440 | struct wireless_dev **wdev) | |
a043897a | 441 | { |
97990a06 | 442 | int err; |
a043897a | 443 | |
97990a06 | 444 | rtnl_lock(); |
a043897a | 445 | |
97990a06 JB |
446 | if (!cb->args[0]) { |
447 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
448 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
449 | nl80211_policy); | |
450 | if (err) | |
451 | goto out_unlock; | |
67748893 | 452 | |
97990a06 JB |
453 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
454 | nl80211_fam.attrbuf); | |
455 | if (IS_ERR(*wdev)) { | |
456 | err = PTR_ERR(*wdev); | |
457 | goto out_unlock; | |
458 | } | |
459 | *rdev = wiphy_to_dev((*wdev)->wiphy); | |
c319d50b JB |
460 | /* 0 is the first index - add 1 to parse only once */ |
461 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
462 | cb->args[1] = (*wdev)->identifier; |
463 | } else { | |
c319d50b JB |
464 | /* subtract the 1 again here */ |
465 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 466 | struct wireless_dev *tmp; |
67748893 | 467 | |
97990a06 JB |
468 | if (!wiphy) { |
469 | err = -ENODEV; | |
470 | goto out_unlock; | |
471 | } | |
472 | *rdev = wiphy_to_dev(wiphy); | |
473 | *wdev = NULL; | |
67748893 | 474 | |
97990a06 JB |
475 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { |
476 | if (tmp->identifier == cb->args[1]) { | |
477 | *wdev = tmp; | |
478 | break; | |
479 | } | |
480 | } | |
67748893 | 481 | |
97990a06 JB |
482 | if (!*wdev) { |
483 | err = -ENODEV; | |
484 | goto out_unlock; | |
485 | } | |
67748893 JB |
486 | } |
487 | ||
67748893 | 488 | return 0; |
97990a06 | 489 | out_unlock: |
67748893 JB |
490 | rtnl_unlock(); |
491 | return err; | |
492 | } | |
493 | ||
97990a06 | 494 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 495 | { |
67748893 JB |
496 | rtnl_unlock(); |
497 | } | |
498 | ||
f4a11bb0 JB |
499 | /* IE validation */ |
500 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
501 | { | |
502 | const u8 *pos; | |
503 | int len; | |
504 | ||
505 | if (!attr) | |
506 | return true; | |
507 | ||
508 | pos = nla_data(attr); | |
509 | len = nla_len(attr); | |
510 | ||
511 | while (len) { | |
512 | u8 elemlen; | |
513 | ||
514 | if (len < 2) | |
515 | return false; | |
516 | len -= 2; | |
517 | ||
518 | elemlen = pos[1]; | |
519 | if (elemlen > len) | |
520 | return false; | |
521 | ||
522 | len -= elemlen; | |
523 | pos += 2 + elemlen; | |
524 | } | |
525 | ||
526 | return true; | |
527 | } | |
528 | ||
55682965 | 529 | /* message building helper */ |
15e47304 | 530 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
531 | int flags, u8 cmd) |
532 | { | |
533 | /* since there is no private header just add the generic one */ | |
15e47304 | 534 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
535 | } |
536 | ||
5dab3b8a | 537 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
538 | struct ieee80211_channel *chan, |
539 | bool large) | |
5dab3b8a | 540 | { |
9360ffd1 DM |
541 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
542 | chan->center_freq)) | |
543 | goto nla_put_failure; | |
5dab3b8a | 544 | |
9360ffd1 DM |
545 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
546 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
547 | goto nla_put_failure; | |
8fe02e16 LR |
548 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
549 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
550 | goto nla_put_failure; | |
551 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
552 | goto nla_put_failure; | |
553 | } | |
cdc89b97 JB |
554 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
555 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
556 | goto nla_put_failure; | |
557 | if (large) { | |
558 | u32 time; | |
559 | ||
560 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
561 | ||
562 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
563 | chan->dfs_state)) | |
564 | goto nla_put_failure; | |
565 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
566 | time)) | |
567 | goto nla_put_failure; | |
568 | } | |
569 | } | |
5dab3b8a | 570 | |
fe1abafd JB |
571 | if (large) { |
572 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
573 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
574 | goto nla_put_failure; | |
575 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
576 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
577 | goto nla_put_failure; | |
578 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
579 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
580 | goto nla_put_failure; | |
581 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
582 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
583 | goto nla_put_failure; | |
584 | } | |
585 | ||
9360ffd1 DM |
586 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
587 | DBM_TO_MBM(chan->max_power))) | |
588 | goto nla_put_failure; | |
5dab3b8a LR |
589 | |
590 | return 0; | |
591 | ||
592 | nla_put_failure: | |
593 | return -ENOBUFS; | |
594 | } | |
595 | ||
55682965 JB |
596 | /* netlink command implementations */ |
597 | ||
b9454e83 JB |
598 | struct key_parse { |
599 | struct key_params p; | |
600 | int idx; | |
e31b8213 | 601 | int type; |
b9454e83 | 602 | bool def, defmgmt; |
dbd2fd65 | 603 | bool def_uni, def_multi; |
b9454e83 JB |
604 | }; |
605 | ||
606 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
607 | { | |
608 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
609 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
610 | nl80211_key_policy); | |
611 | if (err) | |
612 | return err; | |
613 | ||
614 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
615 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
616 | ||
dbd2fd65 JB |
617 | if (k->def) { |
618 | k->def_uni = true; | |
619 | k->def_multi = true; | |
620 | } | |
621 | if (k->defmgmt) | |
622 | k->def_multi = true; | |
623 | ||
b9454e83 JB |
624 | if (tb[NL80211_KEY_IDX]) |
625 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
626 | ||
627 | if (tb[NL80211_KEY_DATA]) { | |
628 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
629 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
630 | } | |
631 | ||
632 | if (tb[NL80211_KEY_SEQ]) { | |
633 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
634 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
635 | } | |
636 | ||
637 | if (tb[NL80211_KEY_CIPHER]) | |
638 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
639 | ||
e31b8213 JB |
640 | if (tb[NL80211_KEY_TYPE]) { |
641 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
642 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
643 | return -EINVAL; | |
644 | } | |
645 | ||
dbd2fd65 JB |
646 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
647 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
648 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
649 | tb[NL80211_KEY_DEFAULT_TYPES], | |
650 | nl80211_key_default_policy); | |
dbd2fd65 JB |
651 | if (err) |
652 | return err; | |
653 | ||
654 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
655 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
656 | } | |
657 | ||
b9454e83 JB |
658 | return 0; |
659 | } | |
660 | ||
661 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
662 | { | |
663 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
664 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
665 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
666 | } | |
667 | ||
668 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
669 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
670 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
671 | } | |
672 | ||
673 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
674 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
675 | ||
676 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
677 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
678 | ||
679 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
680 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
681 | ||
dbd2fd65 JB |
682 | if (k->def) { |
683 | k->def_uni = true; | |
684 | k->def_multi = true; | |
685 | } | |
686 | if (k->defmgmt) | |
687 | k->def_multi = true; | |
688 | ||
e31b8213 JB |
689 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
690 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
691 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
692 | return -EINVAL; | |
693 | } | |
694 | ||
dbd2fd65 JB |
695 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
696 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
697 | int err = nla_parse_nested( | |
698 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
699 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
700 | nl80211_key_default_policy); | |
701 | if (err) | |
702 | return err; | |
703 | ||
704 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
705 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
706 | } | |
707 | ||
b9454e83 JB |
708 | return 0; |
709 | } | |
710 | ||
711 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
712 | { | |
713 | int err; | |
714 | ||
715 | memset(k, 0, sizeof(*k)); | |
716 | k->idx = -1; | |
e31b8213 | 717 | k->type = -1; |
b9454e83 JB |
718 | |
719 | if (info->attrs[NL80211_ATTR_KEY]) | |
720 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
721 | else | |
722 | err = nl80211_parse_key_old(info, k); | |
723 | ||
724 | if (err) | |
725 | return err; | |
726 | ||
727 | if (k->def && k->defmgmt) | |
728 | return -EINVAL; | |
729 | ||
dbd2fd65 JB |
730 | if (k->defmgmt) { |
731 | if (k->def_uni || !k->def_multi) | |
732 | return -EINVAL; | |
733 | } | |
734 | ||
b9454e83 JB |
735 | if (k->idx != -1) { |
736 | if (k->defmgmt) { | |
737 | if (k->idx < 4 || k->idx > 5) | |
738 | return -EINVAL; | |
739 | } else if (k->def) { | |
740 | if (k->idx < 0 || k->idx > 3) | |
741 | return -EINVAL; | |
742 | } else { | |
743 | if (k->idx < 0 || k->idx > 5) | |
744 | return -EINVAL; | |
745 | } | |
746 | } | |
747 | ||
748 | return 0; | |
749 | } | |
750 | ||
fffd0934 JB |
751 | static struct cfg80211_cached_keys * |
752 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 753 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
754 | { |
755 | struct key_parse parse; | |
756 | struct nlattr *key; | |
757 | struct cfg80211_cached_keys *result; | |
758 | int rem, err, def = 0; | |
759 | ||
760 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
761 | if (!result) | |
762 | return ERR_PTR(-ENOMEM); | |
763 | ||
764 | result->def = -1; | |
765 | result->defmgmt = -1; | |
766 | ||
767 | nla_for_each_nested(key, keys, rem) { | |
768 | memset(&parse, 0, sizeof(parse)); | |
769 | parse.idx = -1; | |
770 | ||
771 | err = nl80211_parse_key_new(key, &parse); | |
772 | if (err) | |
773 | goto error; | |
774 | err = -EINVAL; | |
775 | if (!parse.p.key) | |
776 | goto error; | |
777 | if (parse.idx < 0 || parse.idx > 4) | |
778 | goto error; | |
779 | if (parse.def) { | |
780 | if (def) | |
781 | goto error; | |
782 | def = 1; | |
783 | result->def = parse.idx; | |
dbd2fd65 JB |
784 | if (!parse.def_uni || !parse.def_multi) |
785 | goto error; | |
fffd0934 JB |
786 | } else if (parse.defmgmt) |
787 | goto error; | |
788 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 789 | parse.idx, false, NULL); |
fffd0934 JB |
790 | if (err) |
791 | goto error; | |
792 | result->params[parse.idx].cipher = parse.p.cipher; | |
793 | result->params[parse.idx].key_len = parse.p.key_len; | |
794 | result->params[parse.idx].key = result->data[parse.idx]; | |
795 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
796 | |
797 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
798 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
799 | if (no_ht) | |
800 | *no_ht = true; | |
801 | } | |
fffd0934 JB |
802 | } |
803 | ||
804 | return result; | |
805 | error: | |
806 | kfree(result); | |
807 | return ERR_PTR(err); | |
808 | } | |
809 | ||
810 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
811 | { | |
812 | ASSERT_WDEV_LOCK(wdev); | |
813 | ||
fffd0934 JB |
814 | switch (wdev->iftype) { |
815 | case NL80211_IFTYPE_AP: | |
816 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 817 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 818 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
819 | break; |
820 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 821 | case NL80211_IFTYPE_STATION: |
074ac8df | 822 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 823 | if (!wdev->current_bss) |
fffd0934 JB |
824 | return -ENOLINK; |
825 | break; | |
826 | default: | |
827 | return -EINVAL; | |
828 | } | |
829 | ||
830 | return 0; | |
831 | } | |
832 | ||
7527a782 JB |
833 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
834 | { | |
835 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
836 | int i; | |
837 | ||
838 | if (!nl_modes) | |
839 | goto nla_put_failure; | |
840 | ||
841 | i = 0; | |
842 | while (ifmodes) { | |
9360ffd1 DM |
843 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
844 | goto nla_put_failure; | |
7527a782 JB |
845 | ifmodes >>= 1; |
846 | i++; | |
847 | } | |
848 | ||
849 | nla_nest_end(msg, nl_modes); | |
850 | return 0; | |
851 | ||
852 | nla_put_failure: | |
853 | return -ENOBUFS; | |
854 | } | |
855 | ||
856 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
857 | struct sk_buff *msg, |
858 | bool large) | |
7527a782 JB |
859 | { |
860 | struct nlattr *nl_combis; | |
861 | int i, j; | |
862 | ||
863 | nl_combis = nla_nest_start(msg, | |
864 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
865 | if (!nl_combis) | |
866 | goto nla_put_failure; | |
867 | ||
868 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
869 | const struct ieee80211_iface_combination *c; | |
870 | struct nlattr *nl_combi, *nl_limits; | |
871 | ||
872 | c = &wiphy->iface_combinations[i]; | |
873 | ||
874 | nl_combi = nla_nest_start(msg, i + 1); | |
875 | if (!nl_combi) | |
876 | goto nla_put_failure; | |
877 | ||
878 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
879 | if (!nl_limits) | |
880 | goto nla_put_failure; | |
881 | ||
882 | for (j = 0; j < c->n_limits; j++) { | |
883 | struct nlattr *nl_limit; | |
884 | ||
885 | nl_limit = nla_nest_start(msg, j + 1); | |
886 | if (!nl_limit) | |
887 | goto nla_put_failure; | |
9360ffd1 DM |
888 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
889 | c->limits[j].max)) | |
890 | goto nla_put_failure; | |
7527a782 JB |
891 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
892 | c->limits[j].types)) | |
893 | goto nla_put_failure; | |
894 | nla_nest_end(msg, nl_limit); | |
895 | } | |
896 | ||
897 | nla_nest_end(msg, nl_limits); | |
898 | ||
9360ffd1 DM |
899 | if (c->beacon_int_infra_match && |
900 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
901 | goto nla_put_failure; | |
902 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
903 | c->num_different_channels) || | |
904 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
905 | c->max_interfaces)) | |
906 | goto nla_put_failure; | |
cdc89b97 JB |
907 | if (large && |
908 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, | |
909 | c->radar_detect_widths)) | |
910 | goto nla_put_failure; | |
7527a782 JB |
911 | |
912 | nla_nest_end(msg, nl_combi); | |
913 | } | |
914 | ||
915 | nla_nest_end(msg, nl_combis); | |
916 | ||
917 | return 0; | |
918 | nla_put_failure: | |
919 | return -ENOBUFS; | |
920 | } | |
921 | ||
3713b4e3 | 922 | #ifdef CONFIG_PM |
b56cf720 JB |
923 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
924 | struct sk_buff *msg) | |
925 | { | |
964dc9e2 | 926 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
927 | struct nlattr *nl_tcp; |
928 | ||
929 | if (!tcp) | |
930 | return 0; | |
931 | ||
932 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
933 | if (!nl_tcp) | |
934 | return -ENOBUFS; | |
935 | ||
936 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
937 | tcp->data_payload_max)) | |
938 | return -ENOBUFS; | |
939 | ||
940 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
941 | tcp->data_payload_max)) | |
942 | return -ENOBUFS; | |
943 | ||
944 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
945 | return -ENOBUFS; | |
946 | ||
947 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
948 | sizeof(*tcp->tok), tcp->tok)) | |
949 | return -ENOBUFS; | |
950 | ||
951 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
952 | tcp->data_interval_max)) | |
953 | return -ENOBUFS; | |
954 | ||
955 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
956 | tcp->wake_payload_max)) | |
957 | return -ENOBUFS; | |
958 | ||
959 | nla_nest_end(msg, nl_tcp); | |
960 | return 0; | |
961 | } | |
962 | ||
3713b4e3 | 963 | static int nl80211_send_wowlan(struct sk_buff *msg, |
b56cf720 JB |
964 | struct cfg80211_registered_device *dev, |
965 | bool large) | |
55682965 | 966 | { |
3713b4e3 | 967 | struct nlattr *nl_wowlan; |
55682965 | 968 | |
964dc9e2 | 969 | if (!dev->wiphy.wowlan) |
3713b4e3 | 970 | return 0; |
55682965 | 971 | |
3713b4e3 JB |
972 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
973 | if (!nl_wowlan) | |
974 | return -ENOBUFS; | |
9360ffd1 | 975 | |
964dc9e2 | 976 | if (((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 977 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
964dc9e2 | 978 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 979 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
964dc9e2 | 980 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 981 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
964dc9e2 | 982 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 983 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
964dc9e2 | 984 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 985 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
964dc9e2 | 986 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 987 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
964dc9e2 | 988 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 989 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
964dc9e2 | 990 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
991 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
992 | return -ENOBUFS; | |
9360ffd1 | 993 | |
964dc9e2 | 994 | if (dev->wiphy.wowlan->n_patterns) { |
50ac6607 | 995 | struct nl80211_pattern_support pat = { |
964dc9e2 JB |
996 | .max_patterns = dev->wiphy.wowlan->n_patterns, |
997 | .min_pattern_len = dev->wiphy.wowlan->pattern_min_len, | |
998 | .max_pattern_len = dev->wiphy.wowlan->pattern_max_len, | |
999 | .max_pkt_offset = dev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1000 | }; |
9360ffd1 | 1001 | |
3713b4e3 JB |
1002 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1003 | sizeof(pat), &pat)) | |
1004 | return -ENOBUFS; | |
1005 | } | |
9360ffd1 | 1006 | |
b56cf720 JB |
1007 | if (large && nl80211_send_wowlan_tcp_caps(dev, msg)) |
1008 | return -ENOBUFS; | |
1009 | ||
3713b4e3 | 1010 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1011 | |
3713b4e3 JB |
1012 | return 0; |
1013 | } | |
1014 | #endif | |
9360ffd1 | 1015 | |
be29b99a AK |
1016 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1017 | struct cfg80211_registered_device *dev) | |
1018 | { | |
1019 | struct nl80211_coalesce_rule_support rule; | |
1020 | ||
1021 | if (!dev->wiphy.coalesce) | |
1022 | return 0; | |
1023 | ||
1024 | rule.max_rules = dev->wiphy.coalesce->n_rules; | |
1025 | rule.max_delay = dev->wiphy.coalesce->max_delay; | |
1026 | rule.pat.max_patterns = dev->wiphy.coalesce->n_patterns; | |
1027 | rule.pat.min_pattern_len = dev->wiphy.coalesce->pattern_min_len; | |
1028 | rule.pat.max_pattern_len = dev->wiphy.coalesce->pattern_max_len; | |
1029 | rule.pat.max_pkt_offset = dev->wiphy.coalesce->max_pkt_offset; | |
1030 | ||
1031 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1032 | return -ENOBUFS; | |
1033 | ||
1034 | return 0; | |
1035 | } | |
1036 | ||
3713b4e3 JB |
1037 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1038 | struct ieee80211_supported_band *sband) | |
1039 | { | |
1040 | struct nlattr *nl_rates, *nl_rate; | |
1041 | struct ieee80211_rate *rate; | |
1042 | int i; | |
87bbbe22 | 1043 | |
3713b4e3 JB |
1044 | /* add HT info */ |
1045 | if (sband->ht_cap.ht_supported && | |
1046 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1047 | sizeof(sband->ht_cap.mcs), | |
1048 | &sband->ht_cap.mcs) || | |
1049 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1050 | sband->ht_cap.cap) || | |
1051 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1052 | sband->ht_cap.ampdu_factor) || | |
1053 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1054 | sband->ht_cap.ampdu_density))) | |
1055 | return -ENOBUFS; | |
afe0cbf8 | 1056 | |
3713b4e3 JB |
1057 | /* add VHT info */ |
1058 | if (sband->vht_cap.vht_supported && | |
1059 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1060 | sizeof(sband->vht_cap.vht_mcs), | |
1061 | &sband->vht_cap.vht_mcs) || | |
1062 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1063 | sband->vht_cap.cap))) | |
1064 | return -ENOBUFS; | |
f59ac048 | 1065 | |
3713b4e3 JB |
1066 | /* add bitrates */ |
1067 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1068 | if (!nl_rates) | |
1069 | return -ENOBUFS; | |
ee688b00 | 1070 | |
3713b4e3 JB |
1071 | for (i = 0; i < sband->n_bitrates; i++) { |
1072 | nl_rate = nla_nest_start(msg, i); | |
1073 | if (!nl_rate) | |
1074 | return -ENOBUFS; | |
ee688b00 | 1075 | |
3713b4e3 JB |
1076 | rate = &sband->bitrates[i]; |
1077 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1078 | rate->bitrate)) | |
1079 | return -ENOBUFS; | |
1080 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1081 | nla_put_flag(msg, | |
1082 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1083 | return -ENOBUFS; | |
ee688b00 | 1084 | |
3713b4e3 JB |
1085 | nla_nest_end(msg, nl_rate); |
1086 | } | |
d51626df | 1087 | |
3713b4e3 | 1088 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1089 | |
3713b4e3 JB |
1090 | return 0; |
1091 | } | |
ee688b00 | 1092 | |
3713b4e3 JB |
1093 | static int |
1094 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1095 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1096 | { | |
1097 | u16 stypes; | |
1098 | struct nlattr *nl_ftypes, *nl_ifs; | |
1099 | enum nl80211_iftype ift; | |
1100 | int i; | |
ee688b00 | 1101 | |
3713b4e3 JB |
1102 | if (!mgmt_stypes) |
1103 | return 0; | |
5dab3b8a | 1104 | |
3713b4e3 JB |
1105 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1106 | if (!nl_ifs) | |
1107 | return -ENOBUFS; | |
e2f367f2 | 1108 | |
3713b4e3 JB |
1109 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1110 | nl_ftypes = nla_nest_start(msg, ift); | |
1111 | if (!nl_ftypes) | |
1112 | return -ENOBUFS; | |
1113 | i = 0; | |
1114 | stypes = mgmt_stypes[ift].tx; | |
1115 | while (stypes) { | |
1116 | if ((stypes & 1) && | |
1117 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1118 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1119 | return -ENOBUFS; | |
1120 | stypes >>= 1; | |
1121 | i++; | |
ee688b00 | 1122 | } |
3713b4e3 JB |
1123 | nla_nest_end(msg, nl_ftypes); |
1124 | } | |
ee688b00 | 1125 | |
3713b4e3 | 1126 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1127 | |
3713b4e3 JB |
1128 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1129 | if (!nl_ifs) | |
1130 | return -ENOBUFS; | |
ee688b00 | 1131 | |
3713b4e3 JB |
1132 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1133 | nl_ftypes = nla_nest_start(msg, ift); | |
1134 | if (!nl_ftypes) | |
1135 | return -ENOBUFS; | |
1136 | i = 0; | |
1137 | stypes = mgmt_stypes[ift].rx; | |
1138 | while (stypes) { | |
1139 | if ((stypes & 1) && | |
1140 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1141 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1142 | return -ENOBUFS; | |
1143 | stypes >>= 1; | |
1144 | i++; | |
1145 | } | |
1146 | nla_nest_end(msg, nl_ftypes); | |
1147 | } | |
1148 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1149 | |
3713b4e3 JB |
1150 | return 0; |
1151 | } | |
ee688b00 | 1152 | |
86e8cf98 JB |
1153 | struct nl80211_dump_wiphy_state { |
1154 | s64 filter_wiphy; | |
1155 | long start; | |
1156 | long split_start, band_start, chan_start; | |
1157 | bool split; | |
1158 | }; | |
1159 | ||
3713b4e3 JB |
1160 | static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, |
1161 | struct sk_buff *msg, u32 portid, u32 seq, | |
86e8cf98 | 1162 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1163 | { |
1164 | void *hdr; | |
1165 | struct nlattr *nl_bands, *nl_band; | |
1166 | struct nlattr *nl_freqs, *nl_freq; | |
1167 | struct nlattr *nl_cmds; | |
1168 | enum ieee80211_band band; | |
1169 | struct ieee80211_channel *chan; | |
1170 | int i; | |
1171 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1172 | dev->wiphy.mgmt_stypes; | |
fe1abafd | 1173 | u32 features; |
ee688b00 | 1174 | |
3713b4e3 JB |
1175 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); |
1176 | if (!hdr) | |
1177 | return -ENOBUFS; | |
ee688b00 | 1178 | |
86e8cf98 JB |
1179 | if (WARN_ON(!state)) |
1180 | return -EINVAL; | |
ee688b00 | 1181 | |
3713b4e3 JB |
1182 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) || |
1183 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, | |
1184 | wiphy_name(&dev->wiphy)) || | |
1185 | nla_put_u32(msg, NL80211_ATTR_GENERATION, | |
1186 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1187 | goto nla_put_failure; |
1188 | ||
86e8cf98 | 1189 | switch (state->split_start) { |
3713b4e3 JB |
1190 | case 0: |
1191 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1192 | dev->wiphy.retry_short) || | |
1193 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
1194 | dev->wiphy.retry_long) || | |
1195 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
1196 | dev->wiphy.frag_threshold) || | |
1197 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
1198 | dev->wiphy.rts_threshold) || | |
1199 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, | |
1200 | dev->wiphy.coverage_class) || | |
1201 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, | |
1202 | dev->wiphy.max_scan_ssids) || | |
1203 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, | |
1204 | dev->wiphy.max_sched_scan_ssids) || | |
1205 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, | |
1206 | dev->wiphy.max_scan_ie_len) || | |
1207 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, | |
1208 | dev->wiphy.max_sched_scan_ie_len) || | |
1209 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, | |
1210 | dev->wiphy.max_match_sets)) | |
9360ffd1 | 1211 | goto nla_put_failure; |
3713b4e3 JB |
1212 | |
1213 | if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && | |
1214 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) | |
aa430da4 | 1215 | goto nla_put_failure; |
3713b4e3 JB |
1216 | if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
1217 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) | |
1218 | goto nla_put_failure; | |
1219 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && | |
1220 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) | |
1221 | goto nla_put_failure; | |
1222 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && | |
1223 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) | |
1224 | goto nla_put_failure; | |
1225 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && | |
1226 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) | |
1227 | goto nla_put_failure; | |
1228 | if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && | |
1229 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) | |
9360ffd1 | 1230 | goto nla_put_failure; |
2f301ab2 SW |
1231 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
1232 | nla_put_flag(msg, WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1233 | goto nla_put_failure; | |
8fdc621d | 1234 | |
86e8cf98 JB |
1235 | state->split_start++; |
1236 | if (state->split) | |
3713b4e3 JB |
1237 | break; |
1238 | case 1: | |
1239 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1240 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
1241 | dev->wiphy.cipher_suites)) | |
1242 | goto nla_put_failure; | |
4745fc09 | 1243 | |
3713b4e3 JB |
1244 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1245 | dev->wiphy.max_num_pmkids)) | |
1246 | goto nla_put_failure; | |
b23aa676 | 1247 | |
3713b4e3 JB |
1248 | if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
1249 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) | |
9360ffd1 | 1250 | goto nla_put_failure; |
b23aa676 | 1251 | |
3713b4e3 JB |
1252 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1253 | dev->wiphy.available_antennas_tx) || | |
1254 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
1255 | dev->wiphy.available_antennas_rx)) | |
9360ffd1 | 1256 | goto nla_put_failure; |
b23aa676 | 1257 | |
3713b4e3 JB |
1258 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
1259 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, | |
1260 | dev->wiphy.probe_resp_offload)) | |
1261 | goto nla_put_failure; | |
8fdc621d | 1262 | |
3713b4e3 JB |
1263 | if ((dev->wiphy.available_antennas_tx || |
1264 | dev->wiphy.available_antennas_rx) && | |
1265 | dev->ops->get_antenna) { | |
1266 | u32 tx_ant = 0, rx_ant = 0; | |
1267 | int res; | |
1268 | res = rdev_get_antenna(dev, &tx_ant, &rx_ant); | |
1269 | if (!res) { | |
1270 | if (nla_put_u32(msg, | |
1271 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1272 | tx_ant) || | |
1273 | nla_put_u32(msg, | |
1274 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1275 | rx_ant)) | |
1276 | goto nla_put_failure; | |
1277 | } | |
1278 | } | |
a293911d | 1279 | |
86e8cf98 JB |
1280 | state->split_start++; |
1281 | if (state->split) | |
3713b4e3 JB |
1282 | break; |
1283 | case 2: | |
1284 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1285 | dev->wiphy.interface_modes)) | |
1286 | goto nla_put_failure; | |
86e8cf98 JB |
1287 | state->split_start++; |
1288 | if (state->split) | |
3713b4e3 JB |
1289 | break; |
1290 | case 3: | |
1291 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1292 | if (!nl_bands) | |
1293 | goto nla_put_failure; | |
f7ca38df | 1294 | |
86e8cf98 JB |
1295 | for (band = state->band_start; |
1296 | band < IEEE80211_NUM_BANDS; band++) { | |
3713b4e3 | 1297 | struct ieee80211_supported_band *sband; |
2e161f78 | 1298 | |
3713b4e3 | 1299 | sband = dev->wiphy.bands[band]; |
2e161f78 | 1300 | |
3713b4e3 JB |
1301 | if (!sband) |
1302 | continue; | |
1303 | ||
1304 | nl_band = nla_nest_start(msg, band); | |
1305 | if (!nl_band) | |
2e161f78 | 1306 | goto nla_put_failure; |
3713b4e3 | 1307 | |
86e8cf98 | 1308 | switch (state->chan_start) { |
3713b4e3 JB |
1309 | case 0: |
1310 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1311 | goto nla_put_failure; |
86e8cf98 JB |
1312 | state->chan_start++; |
1313 | if (state->split) | |
3713b4e3 JB |
1314 | break; |
1315 | default: | |
1316 | /* add frequencies */ | |
1317 | nl_freqs = nla_nest_start( | |
1318 | msg, NL80211_BAND_ATTR_FREQS); | |
1319 | if (!nl_freqs) | |
1320 | goto nla_put_failure; | |
1321 | ||
86e8cf98 | 1322 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1323 | i < sband->n_channels; |
1324 | i++) { | |
1325 | nl_freq = nla_nest_start(msg, i); | |
1326 | if (!nl_freq) | |
1327 | goto nla_put_failure; | |
1328 | ||
1329 | chan = &sband->channels[i]; | |
1330 | ||
86e8cf98 JB |
1331 | if (nl80211_msg_put_channel( |
1332 | msg, chan, | |
1333 | state->split)) | |
3713b4e3 JB |
1334 | goto nla_put_failure; |
1335 | ||
1336 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1337 | if (state->split) |
3713b4e3 JB |
1338 | break; |
1339 | } | |
1340 | if (i < sband->n_channels) | |
86e8cf98 | 1341 | state->chan_start = i + 2; |
3713b4e3 | 1342 | else |
86e8cf98 | 1343 | state->chan_start = 0; |
3713b4e3 JB |
1344 | nla_nest_end(msg, nl_freqs); |
1345 | } | |
1346 | ||
1347 | nla_nest_end(msg, nl_band); | |
1348 | ||
86e8cf98 | 1349 | if (state->split) { |
3713b4e3 | 1350 | /* start again here */ |
86e8cf98 | 1351 | if (state->chan_start) |
3713b4e3 JB |
1352 | band--; |
1353 | break; | |
2e161f78 | 1354 | } |
2e161f78 | 1355 | } |
3713b4e3 | 1356 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1357 | |
3713b4e3 | 1358 | if (band < IEEE80211_NUM_BANDS) |
86e8cf98 | 1359 | state->band_start = band + 1; |
3713b4e3 | 1360 | else |
86e8cf98 | 1361 | state->band_start = 0; |
74b70a4e | 1362 | |
3713b4e3 | 1363 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1364 | if (state->band_start == 0 && state->chan_start == 0) |
1365 | state->split_start++; | |
1366 | if (state->split) | |
3713b4e3 JB |
1367 | break; |
1368 | case 4: | |
1369 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1370 | if (!nl_cmds) | |
2e161f78 JB |
1371 | goto nla_put_failure; |
1372 | ||
3713b4e3 JB |
1373 | i = 0; |
1374 | #define CMD(op, n) \ | |
1375 | do { \ | |
1376 | if (dev->ops->op) { \ | |
1377 | i++; \ | |
1378 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1379 | goto nla_put_failure; \ | |
1380 | } \ | |
1381 | } while (0) | |
1382 | ||
1383 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1384 | CMD(change_virtual_intf, SET_INTERFACE); | |
1385 | CMD(add_key, NEW_KEY); | |
1386 | CMD(start_ap, START_AP); | |
1387 | CMD(add_station, NEW_STATION); | |
1388 | CMD(add_mpath, NEW_MPATH); | |
1389 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1390 | CMD(change_bss, SET_BSS); | |
1391 | CMD(auth, AUTHENTICATE); | |
1392 | CMD(assoc, ASSOCIATE); | |
1393 | CMD(deauth, DEAUTHENTICATE); | |
1394 | CMD(disassoc, DISASSOCIATE); | |
1395 | CMD(join_ibss, JOIN_IBSS); | |
1396 | CMD(join_mesh, JOIN_MESH); | |
1397 | CMD(set_pmksa, SET_PMKSA); | |
1398 | CMD(del_pmksa, DEL_PMKSA); | |
1399 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1400 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1401 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1402 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1403 | CMD(mgmt_tx, FRAME); | |
1404 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1405 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1406 | i++; | |
1407 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1408 | goto nla_put_failure; |
2e161f78 | 1409 | } |
3713b4e3 JB |
1410 | if (dev->ops->set_monitor_channel || dev->ops->start_ap || |
1411 | dev->ops->join_mesh) { | |
1412 | i++; | |
1413 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1414 | goto nla_put_failure; | |
1415 | } | |
1416 | CMD(set_wds_peer, SET_WDS_PEER); | |
1417 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1418 | CMD(tdls_mgmt, TDLS_MGMT); | |
1419 | CMD(tdls_oper, TDLS_OPER); | |
1420 | } | |
1421 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
1422 | CMD(sched_scan_start, START_SCHED_SCAN); | |
1423 | CMD(probe_client, PROBE_CLIENT); | |
1424 | CMD(set_noack_map, SET_NOACK_MAP); | |
1425 | if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1426 | i++; | |
1427 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1428 | goto nla_put_failure; | |
1429 | } | |
1430 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1431 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
86e8cf98 | 1432 | if (state->split) { |
5de17984 AS |
1433 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1434 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
16ef1fe2 SW |
1435 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
1436 | CMD(channel_switch, CHANNEL_SWITCH); | |
5de17984 | 1437 | } |
2e161f78 | 1438 | |
3713b4e3 JB |
1439 | #ifdef CONFIG_NL80211_TESTMODE |
1440 | CMD(testmode_cmd, TESTMODE); | |
1441 | #endif | |
ff1b6e69 | 1442 | |
3713b4e3 | 1443 | #undef CMD |
ff1b6e69 | 1444 | |
3713b4e3 JB |
1445 | if (dev->ops->connect || dev->ops->auth) { |
1446 | i++; | |
1447 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1448 | goto nla_put_failure; |
ff1b6e69 JB |
1449 | } |
1450 | ||
3713b4e3 JB |
1451 | if (dev->ops->disconnect || dev->ops->deauth) { |
1452 | i++; | |
1453 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1454 | goto nla_put_failure; | |
1455 | } | |
1456 | ||
1457 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1458 | state->split_start++; |
1459 | if (state->split) | |
3713b4e3 JB |
1460 | break; |
1461 | case 5: | |
1462 | if (dev->ops->remain_on_channel && | |
1463 | (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
1464 | nla_put_u32(msg, | |
1465 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1466 | dev->wiphy.max_remain_on_channel_duration)) | |
1467 | goto nla_put_failure; | |
1468 | ||
1469 | if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && | |
1470 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) | |
1471 | goto nla_put_failure; | |
1472 | ||
1473 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1474 | goto nla_put_failure; | |
86e8cf98 JB |
1475 | state->split_start++; |
1476 | if (state->split) | |
3713b4e3 JB |
1477 | break; |
1478 | case 6: | |
1479 | #ifdef CONFIG_PM | |
86e8cf98 | 1480 | if (nl80211_send_wowlan(msg, dev, state->split)) |
3713b4e3 | 1481 | goto nla_put_failure; |
86e8cf98 JB |
1482 | state->split_start++; |
1483 | if (state->split) | |
3713b4e3 JB |
1484 | break; |
1485 | #else | |
86e8cf98 | 1486 | state->split_start++; |
dfb89c56 | 1487 | #endif |
3713b4e3 JB |
1488 | case 7: |
1489 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1490 | dev->wiphy.software_iftypes)) | |
1491 | goto nla_put_failure; | |
ff1b6e69 | 1492 | |
86e8cf98 JB |
1493 | if (nl80211_put_iface_combinations(&dev->wiphy, msg, |
1494 | state->split)) | |
3713b4e3 | 1495 | goto nla_put_failure; |
7527a782 | 1496 | |
86e8cf98 JB |
1497 | state->split_start++; |
1498 | if (state->split) | |
3713b4e3 JB |
1499 | break; |
1500 | case 8: | |
1501 | if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && | |
1502 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, | |
1503 | dev->wiphy.ap_sme_capa)) | |
1504 | goto nla_put_failure; | |
7527a782 | 1505 | |
fe1abafd JB |
1506 | features = dev->wiphy.features; |
1507 | /* | |
1508 | * We can only add the per-channel limit information if the | |
1509 | * dump is split, otherwise it makes it too big. Therefore | |
1510 | * only advertise it in that case. | |
1511 | */ | |
86e8cf98 | 1512 | if (state->split) |
fe1abafd JB |
1513 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1514 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1515 | goto nla_put_failure; |
562a7480 | 1516 | |
3713b4e3 JB |
1517 | if (dev->wiphy.ht_capa_mod_mask && |
1518 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, | |
1519 | sizeof(*dev->wiphy.ht_capa_mod_mask), | |
1520 | dev->wiphy.ht_capa_mod_mask)) | |
1521 | goto nla_put_failure; | |
1f074bd8 | 1522 | |
3713b4e3 JB |
1523 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1524 | dev->wiphy.max_acl_mac_addrs && | |
1525 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, | |
1526 | dev->wiphy.max_acl_mac_addrs)) | |
1527 | goto nla_put_failure; | |
7e7c8926 | 1528 | |
3713b4e3 JB |
1529 | /* |
1530 | * Any information below this point is only available to | |
1531 | * applications that can deal with it being split. This | |
1532 | * helps ensure that newly added capabilities don't break | |
1533 | * older tools by overrunning their buffers. | |
1534 | * | |
1535 | * We still increment split_start so that in the split | |
1536 | * case we'll continue with more data in the next round, | |
1537 | * but break unconditionally so unsplit data stops here. | |
1538 | */ | |
86e8cf98 | 1539 | state->split_start++; |
3713b4e3 JB |
1540 | break; |
1541 | case 9: | |
fe1abafd JB |
1542 | if (dev->wiphy.extended_capabilities && |
1543 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1544 | dev->wiphy.extended_capabilities_len, | |
1545 | dev->wiphy.extended_capabilities) || | |
1546 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1547 | dev->wiphy.extended_capabilities_len, | |
1548 | dev->wiphy.extended_capabilities_mask))) | |
1549 | goto nla_put_failure; | |
a50df0c4 | 1550 | |
ee2aca34 JB |
1551 | if (dev->wiphy.vht_capa_mod_mask && |
1552 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, | |
1553 | sizeof(*dev->wiphy.vht_capa_mod_mask), | |
1554 | dev->wiphy.vht_capa_mod_mask)) | |
1555 | goto nla_put_failure; | |
1556 | ||
be29b99a AK |
1557 | state->split_start++; |
1558 | break; | |
1559 | case 10: | |
1560 | if (nl80211_send_coalesce(msg, dev)) | |
1561 | goto nla_put_failure; | |
1562 | ||
3713b4e3 | 1563 | /* done */ |
86e8cf98 | 1564 | state->split_start = 0; |
3713b4e3 JB |
1565 | break; |
1566 | } | |
55682965 JB |
1567 | return genlmsg_end(msg, hdr); |
1568 | ||
1569 | nla_put_failure: | |
bc3ed28c TG |
1570 | genlmsg_cancel(msg, hdr); |
1571 | return -EMSGSIZE; | |
55682965 JB |
1572 | } |
1573 | ||
86e8cf98 JB |
1574 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1575 | struct netlink_callback *cb, | |
1576 | struct nl80211_dump_wiphy_state *state) | |
1577 | { | |
1578 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1579 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1580 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1581 | /* ignore parse errors for backward compatibility */ | |
1582 | if (ret) | |
1583 | return 0; | |
1584 | ||
1585 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1586 | if (tb[NL80211_ATTR_WIPHY]) | |
1587 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1588 | if (tb[NL80211_ATTR_WDEV]) | |
1589 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1590 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1591 | struct net_device *netdev; | |
1592 | struct cfg80211_registered_device *rdev; | |
1593 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1594 | ||
1595 | netdev = dev_get_by_index(sock_net(skb->sk), ifidx); | |
1596 | if (!netdev) | |
1597 | return -ENODEV; | |
1598 | if (netdev->ieee80211_ptr) { | |
1599 | rdev = wiphy_to_dev( | |
1600 | netdev->ieee80211_ptr->wiphy); | |
1601 | state->filter_wiphy = rdev->wiphy_idx; | |
1602 | } | |
1603 | dev_put(netdev); | |
1604 | } | |
1605 | ||
1606 | return 0; | |
1607 | } | |
1608 | ||
55682965 JB |
1609 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1610 | { | |
645e77de | 1611 | int idx = 0, ret; |
86e8cf98 | 1612 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
55682965 | 1613 | struct cfg80211_registered_device *dev; |
3a5a423b | 1614 | |
5fe231e8 | 1615 | rtnl_lock(); |
86e8cf98 JB |
1616 | if (!state) { |
1617 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1618 | if (!state) { |
1619 | rtnl_unlock(); | |
86e8cf98 | 1620 | return -ENOMEM; |
3713b4e3 | 1621 | } |
86e8cf98 JB |
1622 | state->filter_wiphy = -1; |
1623 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1624 | if (ret) { | |
1625 | kfree(state); | |
1626 | rtnl_unlock(); | |
1627 | return ret; | |
3713b4e3 | 1628 | } |
86e8cf98 | 1629 | cb->args[0] = (long)state; |
3713b4e3 JB |
1630 | } |
1631 | ||
79c97e97 | 1632 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
1633 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
1634 | continue; | |
86e8cf98 | 1635 | if (++idx <= state->start) |
55682965 | 1636 | continue; |
86e8cf98 JB |
1637 | if (state->filter_wiphy != -1 && |
1638 | state->filter_wiphy != dev->wiphy_idx) | |
3713b4e3 JB |
1639 | continue; |
1640 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1641 | do { | |
1642 | ret = nl80211_send_wiphy(dev, skb, | |
1643 | NETLINK_CB(cb->skb).portid, | |
1644 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1645 | NLM_F_MULTI, state); |
3713b4e3 JB |
1646 | if (ret < 0) { |
1647 | /* | |
1648 | * If sending the wiphy data didn't fit (ENOBUFS | |
1649 | * or EMSGSIZE returned), this SKB is still | |
1650 | * empty (so it's not too big because another | |
1651 | * wiphy dataset is already in the skb) and | |
1652 | * we've not tried to adjust the dump allocation | |
1653 | * yet ... then adjust the alloc size to be | |
1654 | * bigger, and return 1 but with the empty skb. | |
1655 | * This results in an empty message being RX'ed | |
1656 | * in userspace, but that is ignored. | |
1657 | * | |
1658 | * We can then retry with the larger buffer. | |
1659 | */ | |
1660 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
1661 | !skb->len && | |
1662 | cb->min_dump_alloc < 4096) { | |
1663 | cb->min_dump_alloc = 4096; | |
d98cae64 | 1664 | rtnl_unlock(); |
3713b4e3 JB |
1665 | return 1; |
1666 | } | |
1667 | idx--; | |
1668 | break; | |
645e77de | 1669 | } |
86e8cf98 | 1670 | } while (state->split_start > 0); |
3713b4e3 | 1671 | break; |
55682965 | 1672 | } |
5fe231e8 | 1673 | rtnl_unlock(); |
55682965 | 1674 | |
86e8cf98 | 1675 | state->start = idx; |
55682965 JB |
1676 | |
1677 | return skb->len; | |
1678 | } | |
1679 | ||
86e8cf98 JB |
1680 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1681 | { | |
1682 | kfree((void *)cb->args[0]); | |
1683 | return 0; | |
1684 | } | |
1685 | ||
55682965 JB |
1686 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1687 | { | |
1688 | struct sk_buff *msg; | |
4c476991 | 1689 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
86e8cf98 | 1690 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1691 | |
645e77de | 1692 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1693 | if (!msg) |
4c476991 | 1694 | return -ENOMEM; |
55682965 | 1695 | |
3713b4e3 | 1696 | if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0, |
86e8cf98 | 1697 | &state) < 0) { |
4c476991 JB |
1698 | nlmsg_free(msg); |
1699 | return -ENOBUFS; | |
1700 | } | |
55682965 | 1701 | |
134e6375 | 1702 | return genlmsg_reply(msg, info); |
55682965 JB |
1703 | } |
1704 | ||
31888487 JM |
1705 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1706 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1707 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1708 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1709 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1710 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1711 | }; | |
1712 | ||
1713 | static int parse_txq_params(struct nlattr *tb[], | |
1714 | struct ieee80211_txq_params *txq_params) | |
1715 | { | |
a3304b0a | 1716 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1717 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1718 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1719 | return -EINVAL; | |
1720 | ||
a3304b0a | 1721 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1722 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1723 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1724 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1725 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1726 | ||
a3304b0a JB |
1727 | if (txq_params->ac >= NL80211_NUM_ACS) |
1728 | return -EINVAL; | |
1729 | ||
31888487 JM |
1730 | return 0; |
1731 | } | |
1732 | ||
f444de05 JB |
1733 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1734 | { | |
1735 | /* | |
cc1d2806 JB |
1736 | * You can only set the channel explicitly for WDS interfaces, |
1737 | * all others have their channel managed via their respective | |
1738 | * "establish a connection" command (connect, join, ...) | |
1739 | * | |
1740 | * For AP/GO and mesh mode, the channel can be set with the | |
1741 | * channel userspace API, but is only stored and passed to the | |
1742 | * low-level driver when the AP starts or the mesh is joined. | |
1743 | * This is for backward compatibility, userspace can also give | |
1744 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1745 | * |
1746 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1747 | * whatever else is going on, so they have their own special |
1748 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1749 | */ |
1750 | return !wdev || | |
1751 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1752 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1753 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1754 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1755 | } |
1756 | ||
683b6d3b JB |
1757 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1758 | struct genl_info *info, | |
1759 | struct cfg80211_chan_def *chandef) | |
1760 | { | |
dbeca2ea | 1761 | u32 control_freq; |
683b6d3b JB |
1762 | |
1763 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1764 | return -EINVAL; | |
1765 | ||
1766 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1767 | ||
1768 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1769 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1770 | chandef->center_freq1 = control_freq; | |
1771 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1772 | |
1773 | /* Primary channel not allowed */ | |
1774 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1775 | return -EINVAL; | |
1776 | ||
3d9d1d66 JB |
1777 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1778 | enum nl80211_channel_type chantype; | |
1779 | ||
1780 | chantype = nla_get_u32( | |
1781 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1782 | ||
1783 | switch (chantype) { | |
1784 | case NL80211_CHAN_NO_HT: | |
1785 | case NL80211_CHAN_HT20: | |
1786 | case NL80211_CHAN_HT40PLUS: | |
1787 | case NL80211_CHAN_HT40MINUS: | |
1788 | cfg80211_chandef_create(chandef, chandef->chan, | |
1789 | chantype); | |
1790 | break; | |
1791 | default: | |
1792 | return -EINVAL; | |
1793 | } | |
1794 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1795 | chandef->width = | |
1796 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1797 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1798 | chandef->center_freq1 = | |
1799 | nla_get_u32( | |
1800 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1801 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1802 | chandef->center_freq2 = | |
1803 | nla_get_u32( | |
1804 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1805 | } | |
1806 | ||
9f5e8f6e | 1807 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1808 | return -EINVAL; |
1809 | ||
9f5e8f6e JB |
1810 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1811 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1812 | return -EINVAL; |
1813 | ||
2f301ab2 SW |
1814 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
1815 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
1816 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1817 | return -EINVAL; | |
1818 | ||
683b6d3b JB |
1819 | return 0; |
1820 | } | |
1821 | ||
f444de05 JB |
1822 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
1823 | struct wireless_dev *wdev, | |
1824 | struct genl_info *info) | |
1825 | { | |
683b6d3b | 1826 | struct cfg80211_chan_def chandef; |
f444de05 | 1827 | int result; |
e8c9bd5b JB |
1828 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
1829 | ||
1830 | if (wdev) | |
1831 | iftype = wdev->iftype; | |
f444de05 | 1832 | |
f444de05 JB |
1833 | if (!nl80211_can_set_dev_channel(wdev)) |
1834 | return -EOPNOTSUPP; | |
1835 | ||
683b6d3b JB |
1836 | result = nl80211_parse_chandef(rdev, info, &chandef); |
1837 | if (result) | |
1838 | return result; | |
f444de05 | 1839 | |
e8c9bd5b | 1840 | switch (iftype) { |
aa430da4 JB |
1841 | case NL80211_IFTYPE_AP: |
1842 | case NL80211_IFTYPE_P2P_GO: | |
1843 | if (wdev->beacon_interval) { | |
1844 | result = -EBUSY; | |
1845 | break; | |
1846 | } | |
683b6d3b | 1847 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) { |
aa430da4 JB |
1848 | result = -EINVAL; |
1849 | break; | |
1850 | } | |
683b6d3b | 1851 | wdev->preset_chandef = chandef; |
aa430da4 JB |
1852 | result = 0; |
1853 | break; | |
cc1d2806 | 1854 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 1855 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 1856 | break; |
e8c9bd5b | 1857 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 1858 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 1859 | break; |
aa430da4 | 1860 | default: |
e8c9bd5b | 1861 | result = -EINVAL; |
f444de05 | 1862 | } |
f444de05 JB |
1863 | |
1864 | return result; | |
1865 | } | |
1866 | ||
1867 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1868 | { | |
4c476991 JB |
1869 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1870 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1871 | |
4c476991 | 1872 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1873 | } |
1874 | ||
e8347eba BJ |
1875 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1876 | { | |
43b19952 JB |
1877 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1878 | struct net_device *dev = info->user_ptr[1]; | |
1879 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1880 | const u8 *bssid; |
e8347eba BJ |
1881 | |
1882 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1883 | return -EINVAL; | |
1884 | ||
43b19952 JB |
1885 | if (netif_running(dev)) |
1886 | return -EBUSY; | |
e8347eba | 1887 | |
43b19952 JB |
1888 | if (!rdev->ops->set_wds_peer) |
1889 | return -EOPNOTSUPP; | |
e8347eba | 1890 | |
43b19952 JB |
1891 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1892 | return -EOPNOTSUPP; | |
e8347eba BJ |
1893 | |
1894 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 1895 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
1896 | } |
1897 | ||
1898 | ||
55682965 JB |
1899 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1900 | { | |
1901 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1902 | struct net_device *netdev = NULL; |
1903 | struct wireless_dev *wdev; | |
a1e567c8 | 1904 | int result = 0, rem_txq_params = 0; |
31888487 | 1905 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1906 | u32 changed; |
1907 | u8 retry_short = 0, retry_long = 0; | |
1908 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1909 | u8 coverage_class = 0; |
55682965 | 1910 | |
5fe231e8 JB |
1911 | ASSERT_RTNL(); |
1912 | ||
f444de05 JB |
1913 | /* |
1914 | * Try to find the wiphy and netdev. Normally this | |
1915 | * function shouldn't need the netdev, but this is | |
1916 | * done for backward compatibility -- previously | |
1917 | * setting the channel was done per wiphy, but now | |
1918 | * it is per netdev. Previous userland like hostapd | |
1919 | * also passed a netdev to set_wiphy, so that it is | |
1920 | * possible to let that go to the right netdev! | |
1921 | */ | |
4bbf4d56 | 1922 | |
f444de05 JB |
1923 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1924 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1925 | ||
1926 | netdev = dev_get_by_index(genl_info_net(info), ifindex); | |
5fe231e8 | 1927 | if (netdev && netdev->ieee80211_ptr) |
f444de05 | 1928 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 1929 | else |
f444de05 | 1930 | netdev = NULL; |
4bbf4d56 JB |
1931 | } |
1932 | ||
f444de05 | 1933 | if (!netdev) { |
878d9ec7 JB |
1934 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
1935 | info->attrs); | |
5fe231e8 | 1936 | if (IS_ERR(rdev)) |
4c476991 | 1937 | return PTR_ERR(rdev); |
f444de05 JB |
1938 | wdev = NULL; |
1939 | netdev = NULL; | |
1940 | result = 0; | |
71fe96bf | 1941 | } else |
f444de05 | 1942 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
1943 | |
1944 | /* | |
1945 | * end workaround code, by now the rdev is available | |
1946 | * and locked, and wdev may or may not be NULL. | |
1947 | */ | |
4bbf4d56 JB |
1948 | |
1949 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
1950 | result = cfg80211_dev_rename( |
1951 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 1952 | |
4bbf4d56 JB |
1953 | if (result) |
1954 | goto bad_res; | |
31888487 JM |
1955 | |
1956 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
1957 | struct ieee80211_txq_params txq_params; | |
1958 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
1959 | ||
1960 | if (!rdev->ops->set_txq_params) { | |
1961 | result = -EOPNOTSUPP; | |
1962 | goto bad_res; | |
1963 | } | |
1964 | ||
f70f01c2 EP |
1965 | if (!netdev) { |
1966 | result = -EINVAL; | |
1967 | goto bad_res; | |
1968 | } | |
1969 | ||
133a3ff2 JB |
1970 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
1971 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
1972 | result = -EINVAL; | |
1973 | goto bad_res; | |
1974 | } | |
1975 | ||
2b5f8b0b JB |
1976 | if (!netif_running(netdev)) { |
1977 | result = -ENETDOWN; | |
1978 | goto bad_res; | |
1979 | } | |
1980 | ||
31888487 JM |
1981 | nla_for_each_nested(nl_txq_params, |
1982 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
1983 | rem_txq_params) { | |
1984 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
1985 | nla_data(nl_txq_params), | |
1986 | nla_len(nl_txq_params), | |
1987 | txq_params_policy); | |
1988 | result = parse_txq_params(tb, &txq_params); | |
1989 | if (result) | |
1990 | goto bad_res; | |
1991 | ||
e35e4d28 HG |
1992 | result = rdev_set_txq_params(rdev, netdev, |
1993 | &txq_params); | |
31888487 JM |
1994 | if (result) |
1995 | goto bad_res; | |
1996 | } | |
1997 | } | |
55682965 | 1998 | |
72bdcf34 | 1999 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
71fe96bf JB |
2000 | result = __nl80211_set_channel(rdev, |
2001 | nl80211_can_set_dev_channel(wdev) ? wdev : NULL, | |
2002 | info); | |
72bdcf34 JM |
2003 | if (result) |
2004 | goto bad_res; | |
2005 | } | |
2006 | ||
98d2ff8b | 2007 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2008 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2009 | enum nl80211_tx_power_setting type; |
2010 | int idx, mbm = 0; | |
2011 | ||
c8442118 JB |
2012 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2013 | txp_wdev = NULL; | |
2014 | ||
98d2ff8b | 2015 | if (!rdev->ops->set_tx_power) { |
60ea385f | 2016 | result = -EOPNOTSUPP; |
98d2ff8b JO |
2017 | goto bad_res; |
2018 | } | |
2019 | ||
2020 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2021 | type = nla_get_u32(info->attrs[idx]); | |
2022 | ||
2023 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
2024 | (type != NL80211_TX_POWER_AUTOMATIC)) { | |
2025 | result = -EINVAL; | |
2026 | goto bad_res; | |
2027 | } | |
2028 | ||
2029 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2030 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2031 | mbm = nla_get_u32(info->attrs[idx]); | |
2032 | } | |
2033 | ||
c8442118 | 2034 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b JO |
2035 | if (result) |
2036 | goto bad_res; | |
2037 | } | |
2038 | ||
afe0cbf8 BR |
2039 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2040 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2041 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
2042 | if ((!rdev->wiphy.available_antennas_tx && |
2043 | !rdev->wiphy.available_antennas_rx) || | |
2044 | !rdev->ops->set_antenna) { | |
afe0cbf8 BR |
2045 | result = -EOPNOTSUPP; |
2046 | goto bad_res; | |
2047 | } | |
2048 | ||
2049 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2050 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2051 | ||
a7ffac95 | 2052 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2053 | * available antenna masks, except for the "all" mask */ |
2054 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
2055 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { | |
a7ffac95 BR |
2056 | result = -EINVAL; |
2057 | goto bad_res; | |
2058 | } | |
2059 | ||
7f531e03 BR |
2060 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2061 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2062 | |
e35e4d28 | 2063 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 BR |
2064 | if (result) |
2065 | goto bad_res; | |
2066 | } | |
2067 | ||
b9a5f8ca JM |
2068 | changed = 0; |
2069 | ||
2070 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2071 | retry_short = nla_get_u8( | |
2072 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
2073 | if (retry_short == 0) { | |
2074 | result = -EINVAL; | |
2075 | goto bad_res; | |
2076 | } | |
2077 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
2078 | } | |
2079 | ||
2080 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2081 | retry_long = nla_get_u8( | |
2082 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
2083 | if (retry_long == 0) { | |
2084 | result = -EINVAL; | |
2085 | goto bad_res; | |
2086 | } | |
2087 | changed |= WIPHY_PARAM_RETRY_LONG; | |
2088 | } | |
2089 | ||
2090 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2091 | frag_threshold = nla_get_u32( | |
2092 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
2093 | if (frag_threshold < 256) { | |
2094 | result = -EINVAL; | |
2095 | goto bad_res; | |
2096 | } | |
2097 | if (frag_threshold != (u32) -1) { | |
2098 | /* | |
2099 | * Fragments (apart from the last one) are required to | |
2100 | * have even length. Make the fragmentation code | |
2101 | * simpler by stripping LSB should someone try to use | |
2102 | * odd threshold value. | |
2103 | */ | |
2104 | frag_threshold &= ~0x1; | |
2105 | } | |
2106 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2107 | } | |
2108 | ||
2109 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2110 | rts_threshold = nla_get_u32( | |
2111 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2112 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2113 | } | |
2114 | ||
81077e82 LT |
2115 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
2116 | coverage_class = nla_get_u8( | |
2117 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2118 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2119 | } | |
2120 | ||
b9a5f8ca JM |
2121 | if (changed) { |
2122 | u8 old_retry_short, old_retry_long; | |
2123 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2124 | u8 old_coverage_class; |
b9a5f8ca JM |
2125 | |
2126 | if (!rdev->ops->set_wiphy_params) { | |
2127 | result = -EOPNOTSUPP; | |
2128 | goto bad_res; | |
2129 | } | |
2130 | ||
2131 | old_retry_short = rdev->wiphy.retry_short; | |
2132 | old_retry_long = rdev->wiphy.retry_long; | |
2133 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2134 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2135 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2136 | |
2137 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2138 | rdev->wiphy.retry_short = retry_short; | |
2139 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2140 | rdev->wiphy.retry_long = retry_long; | |
2141 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2142 | rdev->wiphy.frag_threshold = frag_threshold; | |
2143 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2144 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2145 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2146 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2147 | |
e35e4d28 | 2148 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2149 | if (result) { |
2150 | rdev->wiphy.retry_short = old_retry_short; | |
2151 | rdev->wiphy.retry_long = old_retry_long; | |
2152 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2153 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2154 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
2155 | } |
2156 | } | |
72bdcf34 | 2157 | |
306d6112 | 2158 | bad_res: |
f444de05 JB |
2159 | if (netdev) |
2160 | dev_put(netdev); | |
55682965 JB |
2161 | return result; |
2162 | } | |
2163 | ||
71bbc994 JB |
2164 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2165 | { | |
2166 | return (u64)wdev->identifier | | |
2167 | ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); | |
2168 | } | |
55682965 | 2169 | |
683b6d3b | 2170 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2171 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2172 | { |
9f5e8f6e | 2173 | WARN_ON(!cfg80211_chandef_valid(chandef)); |
3d9d1d66 | 2174 | |
683b6d3b JB |
2175 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2176 | chandef->chan->center_freq)) | |
2177 | return -ENOBUFS; | |
3d9d1d66 JB |
2178 | switch (chandef->width) { |
2179 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2180 | case NL80211_CHAN_WIDTH_20: | |
2181 | case NL80211_CHAN_WIDTH_40: | |
2182 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2183 | cfg80211_get_chandef_type(chandef))) | |
2184 | return -ENOBUFS; | |
2185 | break; | |
2186 | default: | |
2187 | break; | |
2188 | } | |
2189 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2190 | return -ENOBUFS; | |
2191 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2192 | return -ENOBUFS; | |
2193 | if (chandef->center_freq2 && | |
2194 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2195 | return -ENOBUFS; |
2196 | return 0; | |
2197 | } | |
2198 | ||
15e47304 | 2199 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2200 | struct cfg80211_registered_device *rdev, |
72fb2abc | 2201 | struct wireless_dev *wdev) |
55682965 | 2202 | { |
72fb2abc | 2203 | struct net_device *dev = wdev->netdev; |
55682965 JB |
2204 | void *hdr; |
2205 | ||
15e47304 | 2206 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE); |
55682965 JB |
2207 | if (!hdr) |
2208 | return -1; | |
2209 | ||
72fb2abc JB |
2210 | if (dev && |
2211 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2212 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2213 | goto nla_put_failure; |
2214 | ||
2215 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2216 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2217 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2218 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2219 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2220 | rdev->devlist_generation ^ | |
2221 | (cfg80211_rdev_list_generation << 2))) | |
2222 | goto nla_put_failure; | |
f5ea9120 | 2223 | |
5b7ccaf3 | 2224 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2225 | int ret; |
2226 | struct cfg80211_chan_def chandef; | |
2227 | ||
2228 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2229 | if (ret == 0) { | |
2230 | if (nl80211_send_chandef(msg, &chandef)) | |
2231 | goto nla_put_failure; | |
2232 | } | |
d91df0e3 PF |
2233 | } |
2234 | ||
b84e7a05 AQ |
2235 | if (wdev->ssid_len) { |
2236 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2237 | goto nla_put_failure; | |
2238 | } | |
2239 | ||
55682965 JB |
2240 | return genlmsg_end(msg, hdr); |
2241 | ||
2242 | nla_put_failure: | |
bc3ed28c TG |
2243 | genlmsg_cancel(msg, hdr); |
2244 | return -EMSGSIZE; | |
55682965 JB |
2245 | } |
2246 | ||
2247 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2248 | { | |
2249 | int wp_idx = 0; | |
2250 | int if_idx = 0; | |
2251 | int wp_start = cb->args[0]; | |
2252 | int if_start = cb->args[1]; | |
f5ea9120 | 2253 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2254 | struct wireless_dev *wdev; |
2255 | ||
5fe231e8 | 2256 | rtnl_lock(); |
f5ea9120 JB |
2257 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2258 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2259 | continue; |
bba95fef JB |
2260 | if (wp_idx < wp_start) { |
2261 | wp_idx++; | |
55682965 | 2262 | continue; |
bba95fef | 2263 | } |
55682965 JB |
2264 | if_idx = 0; |
2265 | ||
89a54e48 | 2266 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2267 | if (if_idx < if_start) { |
2268 | if_idx++; | |
55682965 | 2269 | continue; |
bba95fef | 2270 | } |
15e47304 | 2271 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2272 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
72fb2abc | 2273 | rdev, wdev) < 0) { |
bba95fef JB |
2274 | goto out; |
2275 | } | |
2276 | if_idx++; | |
55682965 | 2277 | } |
bba95fef JB |
2278 | |
2279 | wp_idx++; | |
55682965 | 2280 | } |
bba95fef | 2281 | out: |
5fe231e8 | 2282 | rtnl_unlock(); |
55682965 JB |
2283 | |
2284 | cb->args[0] = wp_idx; | |
2285 | cb->args[1] = if_idx; | |
2286 | ||
2287 | return skb->len; | |
2288 | } | |
2289 | ||
2290 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2291 | { | |
2292 | struct sk_buff *msg; | |
4c476991 | 2293 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
72fb2abc | 2294 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2295 | |
fd2120ca | 2296 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2297 | if (!msg) |
4c476991 | 2298 | return -ENOMEM; |
55682965 | 2299 | |
15e47304 | 2300 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
72fb2abc | 2301 | dev, wdev) < 0) { |
4c476991 JB |
2302 | nlmsg_free(msg); |
2303 | return -ENOBUFS; | |
2304 | } | |
55682965 | 2305 | |
134e6375 | 2306 | return genlmsg_reply(msg, info); |
55682965 JB |
2307 | } |
2308 | ||
66f7ac50 MW |
2309 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2310 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2311 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2312 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2313 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2314 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2315 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2316 | }; |
2317 | ||
2318 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2319 | { | |
2320 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2321 | int flag; | |
2322 | ||
2323 | *mntrflags = 0; | |
2324 | ||
2325 | if (!nla) | |
2326 | return -EINVAL; | |
2327 | ||
2328 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2329 | nla, mntr_flags_policy)) | |
2330 | return -EINVAL; | |
2331 | ||
2332 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2333 | if (flags[flag]) | |
2334 | *mntrflags |= (1<<flag); | |
2335 | ||
2336 | return 0; | |
2337 | } | |
2338 | ||
9bc383de | 2339 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2340 | struct net_device *netdev, u8 use_4addr, |
2341 | enum nl80211_iftype iftype) | |
9bc383de | 2342 | { |
ad4bb6f8 | 2343 | if (!use_4addr) { |
f350a0a8 | 2344 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2345 | return -EBUSY; |
9bc383de | 2346 | return 0; |
ad4bb6f8 | 2347 | } |
9bc383de JB |
2348 | |
2349 | switch (iftype) { | |
2350 | case NL80211_IFTYPE_AP_VLAN: | |
2351 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2352 | return 0; | |
2353 | break; | |
2354 | case NL80211_IFTYPE_STATION: | |
2355 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2356 | return 0; | |
2357 | break; | |
2358 | default: | |
2359 | break; | |
2360 | } | |
2361 | ||
2362 | return -EOPNOTSUPP; | |
2363 | } | |
2364 | ||
55682965 JB |
2365 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2366 | { | |
4c476991 | 2367 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2368 | struct vif_params params; |
e36d56b6 | 2369 | int err; |
04a773ad | 2370 | enum nl80211_iftype otype, ntype; |
4c476991 | 2371 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2372 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2373 | bool change = false; |
55682965 | 2374 | |
2ec600d6 LCC |
2375 | memset(¶ms, 0, sizeof(params)); |
2376 | ||
04a773ad | 2377 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2378 | |
723b038d | 2379 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2380 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2381 | if (otype != ntype) |
ac7f9cfa | 2382 | change = true; |
4c476991 JB |
2383 | if (ntype > NL80211_IFTYPE_MAX) |
2384 | return -EINVAL; | |
723b038d JB |
2385 | } |
2386 | ||
92ffe055 | 2387 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2388 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2389 | ||
4c476991 JB |
2390 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2391 | return -EINVAL; | |
29cbe68c JB |
2392 | if (netif_running(dev)) |
2393 | return -EBUSY; | |
2394 | ||
2395 | wdev_lock(wdev); | |
2396 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2397 | IEEE80211_MAX_MESH_ID_LEN); | |
2398 | wdev->mesh_id_up_len = | |
2399 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2400 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2401 | wdev->mesh_id_up_len); | |
2402 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2403 | } |
2404 | ||
8b787643 FF |
2405 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2406 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2407 | change = true; | |
ad4bb6f8 | 2408 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2409 | if (err) |
4c476991 | 2410 | return err; |
8b787643 FF |
2411 | } else { |
2412 | params.use_4addr = -1; | |
2413 | } | |
2414 | ||
92ffe055 | 2415 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2416 | if (ntype != NL80211_IFTYPE_MONITOR) |
2417 | return -EINVAL; | |
92ffe055 JB |
2418 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2419 | &_flags); | |
ac7f9cfa | 2420 | if (err) |
4c476991 | 2421 | return err; |
ac7f9cfa JB |
2422 | |
2423 | flags = &_flags; | |
2424 | change = true; | |
92ffe055 | 2425 | } |
3b85875a | 2426 | |
18003297 | 2427 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2428 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2429 | return -EOPNOTSUPP; | |
2430 | ||
ac7f9cfa | 2431 | if (change) |
3d54d255 | 2432 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2433 | else |
2434 | err = 0; | |
60719ffd | 2435 | |
9bc383de JB |
2436 | if (!err && params.use_4addr != -1) |
2437 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2438 | ||
55682965 JB |
2439 | return err; |
2440 | } | |
2441 | ||
2442 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2443 | { | |
4c476991 | 2444 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2445 | struct vif_params params; |
84efbb84 | 2446 | struct wireless_dev *wdev; |
1c90f9d4 | 2447 | struct sk_buff *msg; |
55682965 JB |
2448 | int err; |
2449 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2450 | u32 flags; |
55682965 | 2451 | |
2ec600d6 LCC |
2452 | memset(¶ms, 0, sizeof(params)); |
2453 | ||
55682965 JB |
2454 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2455 | return -EINVAL; | |
2456 | ||
2457 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2458 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2459 | if (type > NL80211_IFTYPE_MAX) | |
2460 | return -EINVAL; | |
2461 | } | |
2462 | ||
79c97e97 | 2463 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2464 | !(rdev->wiphy.interface_modes & (1 << type))) |
2465 | return -EOPNOTSUPP; | |
55682965 | 2466 | |
1c18f145 AS |
2467 | if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) { |
2468 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], | |
2469 | ETH_ALEN); | |
2470 | if (!is_valid_ether_addr(params.macaddr)) | |
2471 | return -EADDRNOTAVAIL; | |
2472 | } | |
2473 | ||
9bc383de | 2474 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2475 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2476 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2477 | if (err) |
4c476991 | 2478 | return err; |
9bc383de | 2479 | } |
8b787643 | 2480 | |
1c90f9d4 JB |
2481 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2482 | if (!msg) | |
2483 | return -ENOMEM; | |
2484 | ||
66f7ac50 MW |
2485 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2486 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2487 | &flags); | |
e057d3c3 | 2488 | |
18003297 | 2489 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2490 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2491 | return -EOPNOTSUPP; | |
2492 | ||
e35e4d28 HG |
2493 | wdev = rdev_add_virtual_intf(rdev, |
2494 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2495 | type, err ? NULL : &flags, ¶ms); | |
1c90f9d4 JB |
2496 | if (IS_ERR(wdev)) { |
2497 | nlmsg_free(msg); | |
84efbb84 | 2498 | return PTR_ERR(wdev); |
1c90f9d4 | 2499 | } |
2ec600d6 | 2500 | |
98104fde JB |
2501 | switch (type) { |
2502 | case NL80211_IFTYPE_MESH_POINT: | |
2503 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2504 | break; | |
29cbe68c JB |
2505 | wdev_lock(wdev); |
2506 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2507 | IEEE80211_MAX_MESH_ID_LEN); | |
2508 | wdev->mesh_id_up_len = | |
2509 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2510 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2511 | wdev->mesh_id_up_len); | |
2512 | wdev_unlock(wdev); | |
98104fde JB |
2513 | break; |
2514 | case NL80211_IFTYPE_P2P_DEVICE: | |
2515 | /* | |
2516 | * P2P Device doesn't have a netdev, so doesn't go | |
2517 | * through the netdev notifier and must be added here | |
2518 | */ | |
2519 | mutex_init(&wdev->mtx); | |
2520 | INIT_LIST_HEAD(&wdev->event_list); | |
2521 | spin_lock_init(&wdev->event_lock); | |
2522 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2523 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2524 | ||
98104fde JB |
2525 | wdev->identifier = ++rdev->wdev_id; |
2526 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2527 | rdev->devlist_generation++; | |
98104fde JB |
2528 | break; |
2529 | default: | |
2530 | break; | |
29cbe68c JB |
2531 | } |
2532 | ||
15e47304 | 2533 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1c90f9d4 JB |
2534 | rdev, wdev) < 0) { |
2535 | nlmsg_free(msg); | |
2536 | return -ENOBUFS; | |
2537 | } | |
2538 | ||
2539 | return genlmsg_reply(msg, info); | |
55682965 JB |
2540 | } |
2541 | ||
2542 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2543 | { | |
4c476991 | 2544 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2545 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2546 | |
4c476991 JB |
2547 | if (!rdev->ops->del_virtual_intf) |
2548 | return -EOPNOTSUPP; | |
55682965 | 2549 | |
84efbb84 JB |
2550 | /* |
2551 | * If we remove a wireless device without a netdev then clear | |
2552 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2553 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2554 | * since the wdev has been freed, unlike with a netdev where | |
2555 | * we need the dev_put() for the netdev to really be freed. | |
2556 | */ | |
2557 | if (!wdev->netdev) | |
2558 | info->user_ptr[1] = NULL; | |
2559 | ||
e35e4d28 | 2560 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2561 | } |
2562 | ||
1d9d9213 SW |
2563 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2564 | { | |
2565 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2566 | struct net_device *dev = info->user_ptr[1]; | |
2567 | u16 noack_map; | |
2568 | ||
2569 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2570 | return -EINVAL; | |
2571 | ||
2572 | if (!rdev->ops->set_noack_map) | |
2573 | return -EOPNOTSUPP; | |
2574 | ||
2575 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2576 | ||
e35e4d28 | 2577 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2578 | } |
2579 | ||
41ade00f JB |
2580 | struct get_key_cookie { |
2581 | struct sk_buff *msg; | |
2582 | int error; | |
b9454e83 | 2583 | int idx; |
41ade00f JB |
2584 | }; |
2585 | ||
2586 | static void get_key_callback(void *c, struct key_params *params) | |
2587 | { | |
b9454e83 | 2588 | struct nlattr *key; |
41ade00f JB |
2589 | struct get_key_cookie *cookie = c; |
2590 | ||
9360ffd1 DM |
2591 | if ((params->key && |
2592 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2593 | params->key_len, params->key)) || | |
2594 | (params->seq && | |
2595 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2596 | params->seq_len, params->seq)) || | |
2597 | (params->cipher && | |
2598 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2599 | params->cipher))) | |
2600 | goto nla_put_failure; | |
41ade00f | 2601 | |
b9454e83 JB |
2602 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2603 | if (!key) | |
2604 | goto nla_put_failure; | |
2605 | ||
9360ffd1 DM |
2606 | if ((params->key && |
2607 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2608 | params->key_len, params->key)) || | |
2609 | (params->seq && | |
2610 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2611 | params->seq_len, params->seq)) || | |
2612 | (params->cipher && | |
2613 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2614 | params->cipher))) | |
2615 | goto nla_put_failure; | |
b9454e83 | 2616 | |
9360ffd1 DM |
2617 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2618 | goto nla_put_failure; | |
b9454e83 JB |
2619 | |
2620 | nla_nest_end(cookie->msg, key); | |
2621 | ||
41ade00f JB |
2622 | return; |
2623 | nla_put_failure: | |
2624 | cookie->error = 1; | |
2625 | } | |
2626 | ||
2627 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2628 | { | |
4c476991 | 2629 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2630 | int err; |
4c476991 | 2631 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2632 | u8 key_idx = 0; |
e31b8213 JB |
2633 | const u8 *mac_addr = NULL; |
2634 | bool pairwise; | |
41ade00f JB |
2635 | struct get_key_cookie cookie = { |
2636 | .error = 0, | |
2637 | }; | |
2638 | void *hdr; | |
2639 | struct sk_buff *msg; | |
2640 | ||
2641 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2642 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2643 | ||
3cfcf6ac | 2644 | if (key_idx > 5) |
41ade00f JB |
2645 | return -EINVAL; |
2646 | ||
2647 | if (info->attrs[NL80211_ATTR_MAC]) | |
2648 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2649 | ||
e31b8213 JB |
2650 | pairwise = !!mac_addr; |
2651 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2652 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2653 | if (kt >= NUM_NL80211_KEYTYPES) | |
2654 | return -EINVAL; | |
2655 | if (kt != NL80211_KEYTYPE_GROUP && | |
2656 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2657 | return -EINVAL; | |
2658 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2659 | } | |
2660 | ||
4c476991 JB |
2661 | if (!rdev->ops->get_key) |
2662 | return -EOPNOTSUPP; | |
41ade00f | 2663 | |
fd2120ca | 2664 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2665 | if (!msg) |
2666 | return -ENOMEM; | |
41ade00f | 2667 | |
15e47304 | 2668 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2669 | NL80211_CMD_NEW_KEY); |
cb35fba3 DC |
2670 | if (!hdr) |
2671 | return -ENOBUFS; | |
41ade00f JB |
2672 | |
2673 | cookie.msg = msg; | |
b9454e83 | 2674 | cookie.idx = key_idx; |
41ade00f | 2675 | |
9360ffd1 DM |
2676 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2677 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2678 | goto nla_put_failure; | |
2679 | if (mac_addr && | |
2680 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2681 | goto nla_put_failure; | |
41ade00f | 2682 | |
e31b8213 JB |
2683 | if (pairwise && mac_addr && |
2684 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2685 | return -ENOENT; | |
2686 | ||
e35e4d28 HG |
2687 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2688 | get_key_callback); | |
41ade00f JB |
2689 | |
2690 | if (err) | |
6c95e2a2 | 2691 | goto free_msg; |
41ade00f JB |
2692 | |
2693 | if (cookie.error) | |
2694 | goto nla_put_failure; | |
2695 | ||
2696 | genlmsg_end(msg, hdr); | |
4c476991 | 2697 | return genlmsg_reply(msg, info); |
41ade00f JB |
2698 | |
2699 | nla_put_failure: | |
2700 | err = -ENOBUFS; | |
6c95e2a2 | 2701 | free_msg: |
41ade00f | 2702 | nlmsg_free(msg); |
41ade00f JB |
2703 | return err; |
2704 | } | |
2705 | ||
2706 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2707 | { | |
4c476991 | 2708 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2709 | struct key_parse key; |
41ade00f | 2710 | int err; |
4c476991 | 2711 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2712 | |
b9454e83 JB |
2713 | err = nl80211_parse_key(info, &key); |
2714 | if (err) | |
2715 | return err; | |
41ade00f | 2716 | |
b9454e83 | 2717 | if (key.idx < 0) |
41ade00f JB |
2718 | return -EINVAL; |
2719 | ||
b9454e83 JB |
2720 | /* only support setting default key */ |
2721 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2722 | return -EINVAL; |
2723 | ||
dbd2fd65 | 2724 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2725 | |
dbd2fd65 JB |
2726 | if (key.def) { |
2727 | if (!rdev->ops->set_default_key) { | |
2728 | err = -EOPNOTSUPP; | |
2729 | goto out; | |
2730 | } | |
41ade00f | 2731 | |
dbd2fd65 JB |
2732 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2733 | if (err) | |
2734 | goto out; | |
2735 | ||
e35e4d28 | 2736 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2737 | key.def_uni, key.def_multi); |
2738 | ||
2739 | if (err) | |
2740 | goto out; | |
fffd0934 | 2741 | |
3d23e349 | 2742 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2743 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2744 | #endif | |
2745 | } else { | |
2746 | if (key.def_uni || !key.def_multi) { | |
2747 | err = -EINVAL; | |
2748 | goto out; | |
2749 | } | |
2750 | ||
2751 | if (!rdev->ops->set_default_mgmt_key) { | |
2752 | err = -EOPNOTSUPP; | |
2753 | goto out; | |
2754 | } | |
2755 | ||
2756 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2757 | if (err) | |
2758 | goto out; | |
2759 | ||
e35e4d28 | 2760 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2761 | if (err) |
2762 | goto out; | |
2763 | ||
2764 | #ifdef CONFIG_CFG80211_WEXT | |
2765 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2766 | #endif |
dbd2fd65 JB |
2767 | } |
2768 | ||
2769 | out: | |
fffd0934 | 2770 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2771 | |
41ade00f JB |
2772 | return err; |
2773 | } | |
2774 | ||
2775 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2776 | { | |
4c476991 | 2777 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2778 | int err; |
4c476991 | 2779 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2780 | struct key_parse key; |
e31b8213 | 2781 | const u8 *mac_addr = NULL; |
41ade00f | 2782 | |
b9454e83 JB |
2783 | err = nl80211_parse_key(info, &key); |
2784 | if (err) | |
2785 | return err; | |
41ade00f | 2786 | |
b9454e83 | 2787 | if (!key.p.key) |
41ade00f JB |
2788 | return -EINVAL; |
2789 | ||
41ade00f JB |
2790 | if (info->attrs[NL80211_ATTR_MAC]) |
2791 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2792 | ||
e31b8213 JB |
2793 | if (key.type == -1) { |
2794 | if (mac_addr) | |
2795 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2796 | else | |
2797 | key.type = NL80211_KEYTYPE_GROUP; | |
2798 | } | |
2799 | ||
2800 | /* for now */ | |
2801 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2802 | key.type != NL80211_KEYTYPE_GROUP) | |
2803 | return -EINVAL; | |
2804 | ||
4c476991 JB |
2805 | if (!rdev->ops->add_key) |
2806 | return -EOPNOTSUPP; | |
25e47c18 | 2807 | |
e31b8213 JB |
2808 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2809 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2810 | mac_addr)) | |
4c476991 | 2811 | return -EINVAL; |
41ade00f | 2812 | |
fffd0934 JB |
2813 | wdev_lock(dev->ieee80211_ptr); |
2814 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2815 | if (!err) | |
e35e4d28 HG |
2816 | err = rdev_add_key(rdev, dev, key.idx, |
2817 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2818 | mac_addr, &key.p); | |
fffd0934 | 2819 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2820 | |
41ade00f JB |
2821 | return err; |
2822 | } | |
2823 | ||
2824 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2825 | { | |
4c476991 | 2826 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2827 | int err; |
4c476991 | 2828 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2829 | u8 *mac_addr = NULL; |
b9454e83 | 2830 | struct key_parse key; |
41ade00f | 2831 | |
b9454e83 JB |
2832 | err = nl80211_parse_key(info, &key); |
2833 | if (err) | |
2834 | return err; | |
41ade00f JB |
2835 | |
2836 | if (info->attrs[NL80211_ATTR_MAC]) | |
2837 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2838 | ||
e31b8213 JB |
2839 | if (key.type == -1) { |
2840 | if (mac_addr) | |
2841 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2842 | else | |
2843 | key.type = NL80211_KEYTYPE_GROUP; | |
2844 | } | |
2845 | ||
2846 | /* for now */ | |
2847 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2848 | key.type != NL80211_KEYTYPE_GROUP) | |
2849 | return -EINVAL; | |
2850 | ||
4c476991 JB |
2851 | if (!rdev->ops->del_key) |
2852 | return -EOPNOTSUPP; | |
41ade00f | 2853 | |
fffd0934 JB |
2854 | wdev_lock(dev->ieee80211_ptr); |
2855 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2856 | |
2857 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
2858 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2859 | err = -ENOENT; | |
2860 | ||
fffd0934 | 2861 | if (!err) |
e35e4d28 HG |
2862 | err = rdev_del_key(rdev, dev, key.idx, |
2863 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2864 | mac_addr); | |
41ade00f | 2865 | |
3d23e349 | 2866 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 2867 | if (!err) { |
b9454e83 | 2868 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 2869 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 2870 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
2871 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
2872 | } | |
2873 | #endif | |
fffd0934 | 2874 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 2875 | |
41ade00f JB |
2876 | return err; |
2877 | } | |
2878 | ||
77765eaf VT |
2879 | /* This function returns an error or the number of nested attributes */ |
2880 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
2881 | { | |
2882 | struct nlattr *attr; | |
2883 | int n_entries = 0, tmp; | |
2884 | ||
2885 | nla_for_each_nested(attr, nl_attr, tmp) { | |
2886 | if (nla_len(attr) != ETH_ALEN) | |
2887 | return -EINVAL; | |
2888 | ||
2889 | n_entries++; | |
2890 | } | |
2891 | ||
2892 | return n_entries; | |
2893 | } | |
2894 | ||
2895 | /* | |
2896 | * This function parses ACL information and allocates memory for ACL data. | |
2897 | * On successful return, the calling function is responsible to free the | |
2898 | * ACL buffer returned by this function. | |
2899 | */ | |
2900 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
2901 | struct genl_info *info) | |
2902 | { | |
2903 | enum nl80211_acl_policy acl_policy; | |
2904 | struct nlattr *attr; | |
2905 | struct cfg80211_acl_data *acl; | |
2906 | int i = 0, n_entries, tmp; | |
2907 | ||
2908 | if (!wiphy->max_acl_mac_addrs) | |
2909 | return ERR_PTR(-EOPNOTSUPP); | |
2910 | ||
2911 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
2912 | return ERR_PTR(-EINVAL); | |
2913 | ||
2914 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
2915 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
2916 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
2917 | return ERR_PTR(-EINVAL); | |
2918 | ||
2919 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
2920 | return ERR_PTR(-EINVAL); | |
2921 | ||
2922 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
2923 | if (n_entries < 0) | |
2924 | return ERR_PTR(n_entries); | |
2925 | ||
2926 | if (n_entries > wiphy->max_acl_mac_addrs) | |
2927 | return ERR_PTR(-ENOTSUPP); | |
2928 | ||
2929 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
2930 | GFP_KERNEL); | |
2931 | if (!acl) | |
2932 | return ERR_PTR(-ENOMEM); | |
2933 | ||
2934 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
2935 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
2936 | i++; | |
2937 | } | |
2938 | ||
2939 | acl->n_acl_entries = n_entries; | |
2940 | acl->acl_policy = acl_policy; | |
2941 | ||
2942 | return acl; | |
2943 | } | |
2944 | ||
2945 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
2946 | { | |
2947 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2948 | struct net_device *dev = info->user_ptr[1]; | |
2949 | struct cfg80211_acl_data *acl; | |
2950 | int err; | |
2951 | ||
2952 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
2953 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2954 | return -EOPNOTSUPP; | |
2955 | ||
2956 | if (!dev->ieee80211_ptr->beacon_interval) | |
2957 | return -EINVAL; | |
2958 | ||
2959 | acl = parse_acl_data(&rdev->wiphy, info); | |
2960 | if (IS_ERR(acl)) | |
2961 | return PTR_ERR(acl); | |
2962 | ||
2963 | err = rdev_set_mac_acl(rdev, dev, acl); | |
2964 | ||
2965 | kfree(acl); | |
2966 | ||
2967 | return err; | |
2968 | } | |
2969 | ||
a1193be8 | 2970 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 2971 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 2972 | { |
8860020e | 2973 | bool haveinfo = false; |
ed1b6cc7 | 2974 | |
a1193be8 SW |
2975 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
2976 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
2977 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
2978 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
2979 | return -EINVAL; |
2980 | ||
8860020e | 2981 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 2982 | |
a1193be8 SW |
2983 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
2984 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
2985 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
2986 | if (!bcn->head_len) |
2987 | return -EINVAL; | |
2988 | haveinfo = true; | |
ed1b6cc7 JB |
2989 | } |
2990 | ||
a1193be8 SW |
2991 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
2992 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
2993 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 2994 | haveinfo = true; |
ed1b6cc7 JB |
2995 | } |
2996 | ||
4c476991 JB |
2997 | if (!haveinfo) |
2998 | return -EINVAL; | |
3b85875a | 2999 | |
a1193be8 SW |
3000 | if (attrs[NL80211_ATTR_IE]) { |
3001 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3002 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3003 | } |
3004 | ||
a1193be8 | 3005 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3006 | bcn->proberesp_ies = |
a1193be8 | 3007 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3008 | bcn->proberesp_ies_len = |
a1193be8 | 3009 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3010 | } |
3011 | ||
a1193be8 | 3012 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3013 | bcn->assocresp_ies = |
a1193be8 | 3014 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3015 | bcn->assocresp_ies_len = |
a1193be8 | 3016 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3017 | } |
3018 | ||
a1193be8 SW |
3019 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3020 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3021 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3022 | } |
3023 | ||
8860020e JB |
3024 | return 0; |
3025 | } | |
3026 | ||
46c1dd0c FF |
3027 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3028 | struct cfg80211_ap_settings *params) | |
3029 | { | |
3030 | struct wireless_dev *wdev; | |
3031 | bool ret = false; | |
3032 | ||
89a54e48 | 3033 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
3034 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3035 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3036 | continue; | |
3037 | ||
683b6d3b | 3038 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3039 | continue; |
3040 | ||
683b6d3b | 3041 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3042 | ret = true; |
3043 | break; | |
3044 | } | |
3045 | ||
46c1dd0c FF |
3046 | return ret; |
3047 | } | |
3048 | ||
e39e5b5e JM |
3049 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3050 | enum nl80211_auth_type auth_type, | |
3051 | enum nl80211_commands cmd) | |
3052 | { | |
3053 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3054 | return false; | |
3055 | ||
3056 | switch (cmd) { | |
3057 | case NL80211_CMD_AUTHENTICATE: | |
3058 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3059 | auth_type == NL80211_AUTHTYPE_SAE) | |
3060 | return false; | |
3061 | return true; | |
3062 | case NL80211_CMD_CONNECT: | |
3063 | case NL80211_CMD_START_AP: | |
3064 | /* SAE not supported yet */ | |
3065 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3066 | return false; | |
3067 | return true; | |
3068 | default: | |
3069 | return false; | |
3070 | } | |
3071 | } | |
3072 | ||
8860020e JB |
3073 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3074 | { | |
3075 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3076 | struct net_device *dev = info->user_ptr[1]; | |
3077 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3078 | struct cfg80211_ap_settings params; | |
3079 | int err; | |
04f39047 | 3080 | u8 radar_detect_width = 0; |
8860020e JB |
3081 | |
3082 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3083 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3084 | return -EOPNOTSUPP; | |
3085 | ||
3086 | if (!rdev->ops->start_ap) | |
3087 | return -EOPNOTSUPP; | |
3088 | ||
3089 | if (wdev->beacon_interval) | |
3090 | return -EALREADY; | |
3091 | ||
3092 | memset(¶ms, 0, sizeof(params)); | |
3093 | ||
3094 | /* these are required for START_AP */ | |
3095 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3096 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3097 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3098 | return -EINVAL; | |
3099 | ||
a1193be8 | 3100 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3101 | if (err) |
3102 | return err; | |
3103 | ||
3104 | params.beacon_interval = | |
3105 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3106 | params.dtim_period = | |
3107 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3108 | ||
3109 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3110 | if (err) | |
3111 | return err; | |
3112 | ||
3113 | /* | |
3114 | * In theory, some of these attributes should be required here | |
3115 | * but since they were not used when the command was originally | |
3116 | * added, keep them optional for old user space programs to let | |
3117 | * them continue to work with drivers that do not need the | |
3118 | * additional information -- drivers must check! | |
3119 | */ | |
3120 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3121 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3122 | params.ssid_len = | |
3123 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3124 | if (params.ssid_len == 0 || | |
3125 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3126 | return -EINVAL; | |
3127 | } | |
3128 | ||
3129 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3130 | params.hidden_ssid = nla_get_u32( | |
3131 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3132 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3133 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3134 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3135 | return -EINVAL; | |
3136 | } | |
3137 | ||
3138 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3139 | ||
3140 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3141 | params.auth_type = nla_get_u32( | |
3142 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3143 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3144 | NL80211_CMD_START_AP)) | |
8860020e JB |
3145 | return -EINVAL; |
3146 | } else | |
3147 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3148 | ||
3149 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3150 | NL80211_MAX_NR_CIPHER_SUITES); | |
3151 | if (err) | |
3152 | return err; | |
3153 | ||
1b658f11 VT |
3154 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3155 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3156 | return -EOPNOTSUPP; | |
3157 | params.inactivity_timeout = nla_get_u16( | |
3158 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3159 | } | |
3160 | ||
53cabad7 JB |
3161 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3162 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3163 | return -EINVAL; | |
3164 | params.p2p_ctwindow = | |
3165 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3166 | if (params.p2p_ctwindow > 127) | |
3167 | return -EINVAL; | |
3168 | if (params.p2p_ctwindow != 0 && | |
3169 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3170 | return -EINVAL; | |
3171 | } | |
3172 | ||
3173 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3174 | u8 tmp; | |
3175 | ||
3176 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3177 | return -EINVAL; | |
3178 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3179 | if (tmp > 1) | |
3180 | return -EINVAL; | |
3181 | params.p2p_opp_ps = tmp; | |
3182 | if (params.p2p_opp_ps != 0 && | |
3183 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3184 | return -EINVAL; | |
3185 | } | |
3186 | ||
aa430da4 | 3187 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3188 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3189 | if (err) | |
3190 | return err; | |
3191 | } else if (wdev->preset_chandef.chan) { | |
3192 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3193 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3194 | return -EINVAL; |
3195 | ||
683b6d3b | 3196 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) |
aa430da4 JB |
3197 | return -EINVAL; |
3198 | ||
04f39047 SW |
3199 | err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef); |
3200 | if (err < 0) | |
3201 | return err; | |
3202 | if (err) { | |
3203 | radar_detect_width = BIT(params.chandef.width); | |
3204 | params.radar_required = true; | |
3205 | } | |
3206 | ||
04f39047 SW |
3207 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
3208 | params.chandef.chan, | |
3209 | CHAN_MODE_SHARED, | |
3210 | radar_detect_width); | |
e4e32459 MK |
3211 | if (err) |
3212 | return err; | |
3213 | ||
77765eaf VT |
3214 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3215 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3216 | if (IS_ERR(params.acl)) | |
3217 | return PTR_ERR(params.acl); | |
3218 | } | |
3219 | ||
e35e4d28 | 3220 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3221 | if (!err) { |
683b6d3b | 3222 | wdev->preset_chandef = params.chandef; |
8860020e | 3223 | wdev->beacon_interval = params.beacon_interval; |
683b6d3b | 3224 | wdev->channel = params.chandef.chan; |
06e191e2 AQ |
3225 | wdev->ssid_len = params.ssid_len; |
3226 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3227 | } |
77765eaf VT |
3228 | |
3229 | kfree(params.acl); | |
3230 | ||
56d1893d | 3231 | return err; |
ed1b6cc7 JB |
3232 | } |
3233 | ||
8860020e JB |
3234 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3235 | { | |
3236 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3237 | struct net_device *dev = info->user_ptr[1]; | |
3238 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3239 | struct cfg80211_beacon_data params; | |
3240 | int err; | |
3241 | ||
3242 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3243 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3244 | return -EOPNOTSUPP; | |
3245 | ||
3246 | if (!rdev->ops->change_beacon) | |
3247 | return -EOPNOTSUPP; | |
3248 | ||
3249 | if (!wdev->beacon_interval) | |
3250 | return -EINVAL; | |
3251 | ||
a1193be8 | 3252 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3253 | if (err) |
3254 | return err; | |
3255 | ||
e35e4d28 | 3256 | return rdev_change_beacon(rdev, dev, ¶ms); |
8860020e JB |
3257 | } |
3258 | ||
3259 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3260 | { |
4c476991 JB |
3261 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3262 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3263 | |
60771780 | 3264 | return cfg80211_stop_ap(rdev, dev); |
ed1b6cc7 JB |
3265 | } |
3266 | ||
5727ef1b JB |
3267 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3268 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3269 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3270 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3271 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3272 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3273 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3274 | }; |
3275 | ||
eccb8e8f | 3276 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3277 | enum nl80211_iftype iftype, |
eccb8e8f | 3278 | struct station_parameters *params) |
5727ef1b JB |
3279 | { |
3280 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3281 | struct nlattr *nla; |
5727ef1b JB |
3282 | int flag; |
3283 | ||
eccb8e8f JB |
3284 | /* |
3285 | * Try parsing the new attribute first so userspace | |
3286 | * can specify both for older kernels. | |
3287 | */ | |
3288 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3289 | if (nla) { | |
3290 | struct nl80211_sta_flag_update *sta_flags; | |
3291 | ||
3292 | sta_flags = nla_data(nla); | |
3293 | params->sta_flags_mask = sta_flags->mask; | |
3294 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3295 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3296 | if ((params->sta_flags_mask | |
3297 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3298 | return -EINVAL; | |
3299 | return 0; | |
3300 | } | |
3301 | ||
3302 | /* if present, parse the old attribute */ | |
5727ef1b | 3303 | |
eccb8e8f | 3304 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3305 | if (!nla) |
3306 | return 0; | |
3307 | ||
3308 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3309 | nla, sta_flags_policy)) | |
3310 | return -EINVAL; | |
3311 | ||
bdd3ae3d JB |
3312 | /* |
3313 | * Only allow certain flags for interface types so that | |
3314 | * other attributes are silently ignored. Remember that | |
3315 | * this is backward compatibility code with old userspace | |
3316 | * and shouldn't be hit in other cases anyway. | |
3317 | */ | |
3318 | switch (iftype) { | |
3319 | case NL80211_IFTYPE_AP: | |
3320 | case NL80211_IFTYPE_AP_VLAN: | |
3321 | case NL80211_IFTYPE_P2P_GO: | |
3322 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3323 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3324 | BIT(NL80211_STA_FLAG_WME) | | |
3325 | BIT(NL80211_STA_FLAG_MFP); | |
3326 | break; | |
3327 | case NL80211_IFTYPE_P2P_CLIENT: | |
3328 | case NL80211_IFTYPE_STATION: | |
3329 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3330 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3331 | break; | |
3332 | case NL80211_IFTYPE_MESH_POINT: | |
3333 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3334 | BIT(NL80211_STA_FLAG_MFP) | | |
3335 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3336 | default: | |
3337 | return -EINVAL; | |
3338 | } | |
5727ef1b | 3339 | |
3383b5a6 JB |
3340 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3341 | if (flags[flag]) { | |
eccb8e8f | 3342 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3343 | |
3383b5a6 JB |
3344 | /* no longer support new API additions in old API */ |
3345 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3346 | return -EINVAL; | |
3347 | } | |
3348 | } | |
3349 | ||
5727ef1b JB |
3350 | return 0; |
3351 | } | |
3352 | ||
c8dcfd8a FF |
3353 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3354 | int attr) | |
3355 | { | |
3356 | struct nlattr *rate; | |
8eb41c8d VK |
3357 | u32 bitrate; |
3358 | u16 bitrate_compat; | |
c8dcfd8a FF |
3359 | |
3360 | rate = nla_nest_start(msg, attr); | |
3361 | if (!rate) | |
db9c64cf | 3362 | return false; |
c8dcfd8a FF |
3363 | |
3364 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3365 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3366 | /* report 16-bit bitrate only if we can */ |
3367 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3368 | if (bitrate > 0 && |
3369 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3370 | return false; | |
3371 | if (bitrate_compat > 0 && | |
3372 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3373 | return false; | |
3374 | ||
3375 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
3376 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3377 | return false; | |
3378 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3379 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3380 | return false; | |
3381 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3382 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3383 | return false; | |
3384 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3385 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3386 | return false; | |
3387 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3388 | return false; | |
3389 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3390 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3391 | return false; | |
3392 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3393 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3394 | return false; | |
3395 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3396 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3397 | return false; | |
3398 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3399 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3400 | return false; | |
3401 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3402 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3403 | return false; | |
3404 | } | |
c8dcfd8a FF |
3405 | |
3406 | nla_nest_end(msg, rate); | |
3407 | return true; | |
c8dcfd8a FF |
3408 | } |
3409 | ||
119363c7 FF |
3410 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3411 | int id) | |
3412 | { | |
3413 | void *attr; | |
3414 | int i = 0; | |
3415 | ||
3416 | if (!mask) | |
3417 | return true; | |
3418 | ||
3419 | attr = nla_nest_start(msg, id); | |
3420 | if (!attr) | |
3421 | return false; | |
3422 | ||
3423 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3424 | if (!(mask & BIT(i))) | |
3425 | continue; | |
3426 | ||
3427 | if (nla_put_u8(msg, i, signal[i])) | |
3428 | return false; | |
3429 | } | |
3430 | ||
3431 | nla_nest_end(msg, attr); | |
3432 | ||
3433 | return true; | |
3434 | } | |
3435 | ||
15e47304 | 3436 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3437 | int flags, |
3438 | struct cfg80211_registered_device *rdev, | |
3439 | struct net_device *dev, | |
98b62183 | 3440 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3441 | { |
3442 | void *hdr; | |
f4263c98 | 3443 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3444 | |
15e47304 | 3445 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3446 | if (!hdr) |
3447 | return -1; | |
3448 | ||
9360ffd1 DM |
3449 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3450 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3451 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3452 | goto nla_put_failure; | |
f5ea9120 | 3453 | |
2ec600d6 LCC |
3454 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3455 | if (!sinfoattr) | |
fd5b74dc | 3456 | goto nla_put_failure; |
9360ffd1 DM |
3457 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3458 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3459 | sinfo->connected_time)) | |
3460 | goto nla_put_failure; | |
3461 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3462 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3463 | sinfo->inactive_time)) | |
3464 | goto nla_put_failure; | |
42745e03 VK |
3465 | if ((sinfo->filled & (STATION_INFO_RX_BYTES | |
3466 | STATION_INFO_RX_BYTES64)) && | |
9360ffd1 | 3467 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3468 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3469 | goto nla_put_failure; |
42745e03 | 3470 | if ((sinfo->filled & (STATION_INFO_TX_BYTES | |
4325d724 | 3471 | STATION_INFO_TX_BYTES64)) && |
9360ffd1 | 3472 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3473 | (u32)sinfo->tx_bytes)) |
3474 | goto nla_put_failure; | |
3475 | if ((sinfo->filled & STATION_INFO_RX_BYTES64) && | |
3476 | nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, | |
3477 | sinfo->rx_bytes)) | |
3478 | goto nla_put_failure; | |
3479 | if ((sinfo->filled & STATION_INFO_TX_BYTES64) && | |
3480 | nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, | |
9360ffd1 DM |
3481 | sinfo->tx_bytes)) |
3482 | goto nla_put_failure; | |
3483 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3484 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3485 | goto nla_put_failure; | |
3486 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3487 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3488 | goto nla_put_failure; | |
3489 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3490 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3491 | sinfo->plink_state)) | |
3492 | goto nla_put_failure; | |
66266b3a JL |
3493 | switch (rdev->wiphy.signal_type) { |
3494 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3495 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3496 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3497 | sinfo->signal)) | |
3498 | goto nla_put_failure; | |
3499 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3500 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3501 | sinfo->signal_avg)) | |
3502 | goto nla_put_failure; | |
66266b3a JL |
3503 | break; |
3504 | default: | |
3505 | break; | |
3506 | } | |
119363c7 FF |
3507 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { |
3508 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3509 | sinfo->chain_signal, | |
3510 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3511 | goto nla_put_failure; | |
3512 | } | |
3513 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { | |
3514 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3515 | sinfo->chain_signal_avg, | |
3516 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3517 | goto nla_put_failure; | |
3518 | } | |
420e7fab | 3519 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3520 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3521 | NL80211_STA_INFO_TX_BITRATE)) | |
3522 | goto nla_put_failure; | |
3523 | } | |
3524 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3525 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3526 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3527 | goto nla_put_failure; |
420e7fab | 3528 | } |
9360ffd1 DM |
3529 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3530 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3531 | sinfo->rx_packets)) | |
3532 | goto nla_put_failure; | |
3533 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3534 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3535 | sinfo->tx_packets)) | |
3536 | goto nla_put_failure; | |
3537 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3538 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3539 | sinfo->tx_retries)) | |
3540 | goto nla_put_failure; | |
3541 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3542 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3543 | sinfo->tx_failed)) | |
3544 | goto nla_put_failure; | |
3545 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && | |
3546 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3547 | sinfo->beacon_loss_count)) | |
3548 | goto nla_put_failure; | |
3b1c5a53 MP |
3549 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3550 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3551 | sinfo->local_pm)) | |
3552 | goto nla_put_failure; | |
3553 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3554 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3555 | sinfo->peer_pm)) | |
3556 | goto nla_put_failure; | |
3557 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3558 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3559 | sinfo->nonpeer_pm)) | |
3560 | goto nla_put_failure; | |
f4263c98 PS |
3561 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3562 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3563 | if (!bss_param) | |
3564 | goto nla_put_failure; | |
3565 | ||
9360ffd1 DM |
3566 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3567 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3568 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3569 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3570 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3571 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3572 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3573 | sinfo->bss_param.dtim_period) || | |
3574 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3575 | sinfo->bss_param.beacon_interval)) | |
3576 | goto nla_put_failure; | |
f4263c98 PS |
3577 | |
3578 | nla_nest_end(msg, bss_param); | |
3579 | } | |
9360ffd1 DM |
3580 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3581 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3582 | sizeof(struct nl80211_sta_flag_update), | |
3583 | &sinfo->sta_flags)) | |
3584 | goto nla_put_failure; | |
7eab0f64 JL |
3585 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3586 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3587 | sinfo->t_offset)) | |
3588 | goto nla_put_failure; | |
2ec600d6 | 3589 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3590 | |
9360ffd1 DM |
3591 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3592 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3593 | sinfo->assoc_req_ies)) | |
3594 | goto nla_put_failure; | |
50d3dfb7 | 3595 | |
fd5b74dc JB |
3596 | return genlmsg_end(msg, hdr); |
3597 | ||
3598 | nla_put_failure: | |
bc3ed28c TG |
3599 | genlmsg_cancel(msg, hdr); |
3600 | return -EMSGSIZE; | |
fd5b74dc JB |
3601 | } |
3602 | ||
2ec600d6 | 3603 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3604 | struct netlink_callback *cb) |
2ec600d6 | 3605 | { |
2ec600d6 LCC |
3606 | struct station_info sinfo; |
3607 | struct cfg80211_registered_device *dev; | |
97990a06 | 3608 | struct wireless_dev *wdev; |
2ec600d6 | 3609 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3610 | int sta_idx = cb->args[2]; |
2ec600d6 | 3611 | int err; |
2ec600d6 | 3612 | |
97990a06 | 3613 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
3614 | if (err) |
3615 | return err; | |
bba95fef | 3616 | |
97990a06 JB |
3617 | if (!wdev->netdev) { |
3618 | err = -EINVAL; | |
3619 | goto out_err; | |
3620 | } | |
3621 | ||
bba95fef | 3622 | if (!dev->ops->dump_station) { |
eec60b03 | 3623 | err = -EOPNOTSUPP; |
bba95fef JB |
3624 | goto out_err; |
3625 | } | |
3626 | ||
bba95fef | 3627 | while (1) { |
f612cedf | 3628 | memset(&sinfo, 0, sizeof(sinfo)); |
97990a06 | 3629 | err = rdev_dump_station(dev, wdev->netdev, sta_idx, |
e35e4d28 | 3630 | mac_addr, &sinfo); |
bba95fef JB |
3631 | if (err == -ENOENT) |
3632 | break; | |
3633 | if (err) | |
3b85875a | 3634 | goto out_err; |
bba95fef JB |
3635 | |
3636 | if (nl80211_send_station(skb, | |
15e47304 | 3637 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3638 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 3639 | dev, wdev->netdev, mac_addr, |
bba95fef JB |
3640 | &sinfo) < 0) |
3641 | goto out; | |
3642 | ||
3643 | sta_idx++; | |
3644 | } | |
3645 | ||
3646 | ||
3647 | out: | |
97990a06 | 3648 | cb->args[2] = sta_idx; |
bba95fef | 3649 | err = skb->len; |
bba95fef | 3650 | out_err: |
97990a06 | 3651 | nl80211_finish_wdev_dump(dev); |
bba95fef JB |
3652 | |
3653 | return err; | |
2ec600d6 | 3654 | } |
fd5b74dc | 3655 | |
5727ef1b JB |
3656 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3657 | { | |
4c476991 JB |
3658 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3659 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3660 | struct station_info sinfo; |
fd5b74dc JB |
3661 | struct sk_buff *msg; |
3662 | u8 *mac_addr = NULL; | |
4c476991 | 3663 | int err; |
fd5b74dc | 3664 | |
2ec600d6 | 3665 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3666 | |
3667 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3668 | return -EINVAL; | |
3669 | ||
3670 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3671 | ||
4c476991 JB |
3672 | if (!rdev->ops->get_station) |
3673 | return -EOPNOTSUPP; | |
3b85875a | 3674 | |
e35e4d28 | 3675 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3676 | if (err) |
4c476991 | 3677 | return err; |
2ec600d6 | 3678 | |
fd2120ca | 3679 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3680 | if (!msg) |
4c476991 | 3681 | return -ENOMEM; |
fd5b74dc | 3682 | |
15e47304 | 3683 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3684 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3685 | nlmsg_free(msg); |
3686 | return -ENOBUFS; | |
3687 | } | |
3b85875a | 3688 | |
4c476991 | 3689 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3690 | } |
3691 | ||
77ee7c89 JB |
3692 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3693 | struct station_parameters *params, | |
3694 | enum cfg80211_station_type statype) | |
3695 | { | |
3696 | if (params->listen_interval != -1) | |
3697 | return -EINVAL; | |
3698 | if (params->aid) | |
3699 | return -EINVAL; | |
3700 | ||
3701 | /* When you run into this, adjust the code below for the new flag */ | |
3702 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3703 | ||
3704 | switch (statype) { | |
eef941e6 TP |
3705 | case CFG80211_STA_MESH_PEER_KERNEL: |
3706 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3707 | /* |
3708 | * No ignoring the TDLS flag here -- the userspace mesh | |
3709 | * code doesn't have the bug of including TDLS in the | |
3710 | * mask everywhere. | |
3711 | */ | |
3712 | if (params->sta_flags_mask & | |
3713 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3714 | BIT(NL80211_STA_FLAG_MFP) | | |
3715 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3716 | return -EINVAL; | |
3717 | break; | |
3718 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3719 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3720 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3721 | return -EINVAL; | |
3722 | /* ignore since it can't change */ | |
3723 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3724 | break; | |
3725 | default: | |
3726 | /* disallow mesh-specific things */ | |
3727 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3728 | return -EINVAL; | |
3729 | if (params->local_pm) | |
3730 | return -EINVAL; | |
3731 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3732 | return -EINVAL; | |
3733 | } | |
3734 | ||
3735 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
3736 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
3737 | /* TDLS can't be set, ... */ | |
3738 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3739 | return -EINVAL; | |
3740 | /* | |
3741 | * ... but don't bother the driver with it. This works around | |
3742 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3743 | * TLDS_PEER flag in the mask even for AP mode. | |
3744 | */ | |
3745 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3746 | } | |
3747 | ||
3748 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
3749 | /* reject other things that can't change */ | |
3750 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
3751 | return -EINVAL; | |
3752 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
3753 | return -EINVAL; | |
3754 | if (params->supported_rates) | |
3755 | return -EINVAL; | |
3756 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
3757 | return -EINVAL; | |
3758 | } | |
3759 | ||
3760 | if (statype != CFG80211_STA_AP_CLIENT) { | |
3761 | if (params->vlan) | |
3762 | return -EINVAL; | |
3763 | } | |
3764 | ||
3765 | switch (statype) { | |
3766 | case CFG80211_STA_AP_MLME_CLIENT: | |
3767 | /* Use this only for authorizing/unauthorizing a station */ | |
3768 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3769 | return -EOPNOTSUPP; | |
3770 | break; | |
3771 | case CFG80211_STA_AP_CLIENT: | |
3772 | /* accept only the listed bits */ | |
3773 | if (params->sta_flags_mask & | |
3774 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3775 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3776 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3777 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3778 | BIT(NL80211_STA_FLAG_WME) | | |
3779 | BIT(NL80211_STA_FLAG_MFP))) | |
3780 | return -EINVAL; | |
3781 | ||
3782 | /* but authenticated/associated only if driver handles it */ | |
3783 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3784 | params->sta_flags_mask & | |
3785 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3786 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3787 | return -EINVAL; | |
3788 | break; | |
3789 | case CFG80211_STA_IBSS: | |
3790 | case CFG80211_STA_AP_STA: | |
3791 | /* reject any changes other than AUTHORIZED */ | |
3792 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
3793 | return -EINVAL; | |
3794 | break; | |
3795 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3796 | /* reject any changes other than AUTHORIZED or WME */ | |
3797 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3798 | BIT(NL80211_STA_FLAG_WME))) | |
3799 | return -EINVAL; | |
3800 | /* force (at least) rates when authorizing */ | |
3801 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
3802 | !params->supported_rates) | |
3803 | return -EINVAL; | |
3804 | break; | |
3805 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3806 | /* reject any changes */ | |
3807 | return -EINVAL; | |
eef941e6 | 3808 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
3809 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
3810 | return -EINVAL; | |
3811 | break; | |
eef941e6 | 3812 | case CFG80211_STA_MESH_PEER_USER: |
77ee7c89 JB |
3813 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) |
3814 | return -EINVAL; | |
3815 | break; | |
3816 | } | |
3817 | ||
3818 | return 0; | |
3819 | } | |
3820 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
3821 | ||
5727ef1b | 3822 | /* |
c258d2de | 3823 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 3824 | */ |
80b99899 JB |
3825 | static struct net_device *get_vlan(struct genl_info *info, |
3826 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 3827 | { |
463d0183 | 3828 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
3829 | struct net_device *v; |
3830 | int ret; | |
3831 | ||
3832 | if (!vlanattr) | |
3833 | return NULL; | |
3834 | ||
3835 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
3836 | if (!v) | |
3837 | return ERR_PTR(-ENODEV); | |
3838 | ||
3839 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
3840 | ret = -EINVAL; | |
3841 | goto error; | |
5727ef1b | 3842 | } |
80b99899 | 3843 | |
77ee7c89 JB |
3844 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
3845 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3846 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
3847 | ret = -EINVAL; | |
3848 | goto error; | |
3849 | } | |
3850 | ||
80b99899 JB |
3851 | if (!netif_running(v)) { |
3852 | ret = -ENETDOWN; | |
3853 | goto error; | |
3854 | } | |
3855 | ||
3856 | return v; | |
3857 | error: | |
3858 | dev_put(v); | |
3859 | return ERR_PTR(ret); | |
5727ef1b JB |
3860 | } |
3861 | ||
df881293 JM |
3862 | static struct nla_policy |
3863 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { | |
3864 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, | |
3865 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
3866 | }; | |
3867 | ||
ff276691 JB |
3868 | static int nl80211_parse_sta_wme(struct genl_info *info, |
3869 | struct station_parameters *params) | |
df881293 | 3870 | { |
df881293 JM |
3871 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
3872 | struct nlattr *nla; | |
3873 | int err; | |
3874 | ||
df881293 JM |
3875 | /* parse WME attributes if present */ |
3876 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
3877 | return 0; | |
3878 | ||
3879 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
3880 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
3881 | nl80211_sta_wme_policy); | |
3882 | if (err) | |
3883 | return err; | |
3884 | ||
3885 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
3886 | params->uapsd_queues = nla_get_u8( | |
3887 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
3888 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
3889 | return -EINVAL; | |
3890 | ||
3891 | if (tb[NL80211_STA_WME_MAX_SP]) | |
3892 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
3893 | ||
3894 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
3895 | return -EINVAL; | |
3896 | ||
3897 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
3898 | ||
3899 | return 0; | |
3900 | } | |
3901 | ||
c01fc9ad SD |
3902 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
3903 | struct station_parameters *params) | |
3904 | { | |
3905 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
3906 | params->supported_channels = | |
3907 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
3908 | params->supported_channels_len = | |
3909 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
3910 | /* | |
3911 | * Need to include at least one (first channel, number of | |
3912 | * channels) tuple for each subband, and must have proper | |
3913 | * tuples for the rest of the data as well. | |
3914 | */ | |
3915 | if (params->supported_channels_len < 2) | |
3916 | return -EINVAL; | |
3917 | if (params->supported_channels_len % 2) | |
3918 | return -EINVAL; | |
3919 | } | |
3920 | ||
3921 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
3922 | params->supported_oper_classes = | |
3923 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
3924 | params->supported_oper_classes_len = | |
3925 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
3926 | /* | |
3927 | * The value of the Length field of the Supported Operating | |
3928 | * Classes element is between 2 and 253. | |
3929 | */ | |
3930 | if (params->supported_oper_classes_len < 2 || | |
3931 | params->supported_oper_classes_len > 253) | |
3932 | return -EINVAL; | |
3933 | } | |
3934 | return 0; | |
3935 | } | |
3936 | ||
ff276691 JB |
3937 | static int nl80211_set_station_tdls(struct genl_info *info, |
3938 | struct station_parameters *params) | |
3939 | { | |
c01fc9ad | 3940 | int err; |
ff276691 | 3941 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
3942 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
3943 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
3944 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
3945 | params->ht_capa = | |
3946 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
3947 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
3948 | params->vht_capa = | |
3949 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
3950 | ||
c01fc9ad SD |
3951 | err = nl80211_parse_sta_channel_info(info, params); |
3952 | if (err) | |
3953 | return err; | |
3954 | ||
ff276691 JB |
3955 | return nl80211_parse_sta_wme(info, params); |
3956 | } | |
3957 | ||
5727ef1b JB |
3958 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
3959 | { | |
4c476991 | 3960 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 3961 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 3962 | struct station_parameters params; |
77ee7c89 JB |
3963 | u8 *mac_addr; |
3964 | int err; | |
5727ef1b JB |
3965 | |
3966 | memset(¶ms, 0, sizeof(params)); | |
3967 | ||
3968 | params.listen_interval = -1; | |
3969 | ||
77ee7c89 JB |
3970 | if (!rdev->ops->change_station) |
3971 | return -EOPNOTSUPP; | |
3972 | ||
5727ef1b JB |
3973 | if (info->attrs[NL80211_ATTR_STA_AID]) |
3974 | return -EINVAL; | |
3975 | ||
3976 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3977 | return -EINVAL; | |
3978 | ||
3979 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3980 | ||
3981 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
3982 | params.supported_rates = | |
3983 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
3984 | params.supported_rates_len = | |
3985 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
3986 | } | |
3987 | ||
9d62a986 JM |
3988 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
3989 | params.capability = | |
3990 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
3991 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
3992 | } | |
3993 | ||
3994 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
3995 | params.ext_capab = | |
3996 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
3997 | params.ext_capab_len = | |
3998 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
3999 | } | |
4000 | ||
df881293 | 4001 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 4002 | return -EINVAL; |
36aedc90 | 4003 | |
bdd3ae3d | 4004 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4005 | return -EINVAL; |
4006 | ||
f8bacc21 | 4007 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4008 | params.plink_action = |
f8bacc21 JB |
4009 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4010 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4011 | return -EINVAL; | |
4012 | } | |
2ec600d6 | 4013 | |
f8bacc21 | 4014 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4015 | params.plink_state = |
f8bacc21 JB |
4016 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4017 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4018 | return -EINVAL; | |
4019 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
4020 | } | |
9c3990aa | 4021 | |
3b1c5a53 MP |
4022 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4023 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4024 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4025 | ||
4026 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4027 | pm > NL80211_MESH_POWER_MAX) | |
4028 | return -EINVAL; | |
4029 | ||
4030 | params.local_pm = pm; | |
4031 | } | |
4032 | ||
77ee7c89 JB |
4033 | /* Include parameters for TDLS peer (will check later) */ |
4034 | err = nl80211_set_station_tdls(info, ¶ms); | |
4035 | if (err) | |
4036 | return err; | |
4037 | ||
4038 | params.vlan = get_vlan(info, rdev); | |
4039 | if (IS_ERR(params.vlan)) | |
4040 | return PTR_ERR(params.vlan); | |
4041 | ||
a97f4424 JB |
4042 | switch (dev->ieee80211_ptr->iftype) { |
4043 | case NL80211_IFTYPE_AP: | |
4044 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4045 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4046 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4047 | case NL80211_IFTYPE_STATION: |
267335d6 | 4048 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4049 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4050 | break; |
4051 | default: | |
77ee7c89 JB |
4052 | err = -EOPNOTSUPP; |
4053 | goto out_put_vlan; | |
034d655e JB |
4054 | } |
4055 | ||
77ee7c89 | 4056 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4057 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4058 | |
77ee7c89 | 4059 | out_put_vlan: |
5727ef1b JB |
4060 | if (params.vlan) |
4061 | dev_put(params.vlan); | |
3b85875a | 4062 | |
5727ef1b JB |
4063 | return err; |
4064 | } | |
4065 | ||
4066 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4067 | { | |
4c476991 | 4068 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4069 | int err; |
4c476991 | 4070 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4071 | struct station_parameters params; |
4072 | u8 *mac_addr = NULL; | |
4073 | ||
4074 | memset(¶ms, 0, sizeof(params)); | |
4075 | ||
984c311b JB |
4076 | if (!rdev->ops->add_station) |
4077 | return -EOPNOTSUPP; | |
4078 | ||
5727ef1b JB |
4079 | if (!info->attrs[NL80211_ATTR_MAC]) |
4080 | return -EINVAL; | |
4081 | ||
5727ef1b JB |
4082 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4083 | return -EINVAL; | |
4084 | ||
4085 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4086 | return -EINVAL; | |
4087 | ||
5e4b6f56 JM |
4088 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4089 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4090 | return -EINVAL; |
4091 | ||
5727ef1b JB |
4092 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4093 | params.supported_rates = | |
4094 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4095 | params.supported_rates_len = | |
4096 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4097 | params.listen_interval = | |
4098 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4099 | |
3d124ea2 | 4100 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4101 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4102 | else |
4103 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4104 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4105 | return -EINVAL; | |
51b50fbe | 4106 | |
9d62a986 JM |
4107 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4108 | params.capability = | |
4109 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4110 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4111 | } | |
4112 | ||
4113 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4114 | params.ext_capab = | |
4115 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4116 | params.ext_capab_len = | |
4117 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4118 | } | |
4119 | ||
36aedc90 JM |
4120 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4121 | params.ht_capa = | |
4122 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4123 | |
f461be3e MP |
4124 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4125 | params.vht_capa = | |
4126 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4127 | ||
f8bacc21 | 4128 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4129 | params.plink_action = |
f8bacc21 JB |
4130 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4131 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4132 | return -EINVAL; | |
4133 | } | |
96b78dff | 4134 | |
c01fc9ad SD |
4135 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4136 | if (err) | |
4137 | return err; | |
4138 | ||
ff276691 JB |
4139 | err = nl80211_parse_sta_wme(info, ¶ms); |
4140 | if (err) | |
4141 | return err; | |
bdd90d5e | 4142 | |
bdd3ae3d | 4143 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4144 | return -EINVAL; |
4145 | ||
77ee7c89 JB |
4146 | /* When you run into this, adjust the code below for the new flag */ |
4147 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4148 | ||
bdd90d5e JB |
4149 | switch (dev->ieee80211_ptr->iftype) { |
4150 | case NL80211_IFTYPE_AP: | |
4151 | case NL80211_IFTYPE_AP_VLAN: | |
4152 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4153 | /* ignore WME attributes if iface/sta is not capable */ |
4154 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4155 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4156 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4157 | |
bdd90d5e | 4158 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4159 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4160 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4161 | return -EINVAL; |
bdd90d5e JB |
4162 | /* but don't bother the driver with it */ |
4163 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4164 | |
d582cffb JB |
4165 | /* allow authenticated/associated only if driver handles it */ |
4166 | if (!(rdev->wiphy.features & | |
4167 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4168 | params.sta_flags_mask & | |
4169 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4170 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4171 | return -EINVAL; | |
4172 | ||
bdd90d5e JB |
4173 | /* must be last in here for error handling */ |
4174 | params.vlan = get_vlan(info, rdev); | |
4175 | if (IS_ERR(params.vlan)) | |
4176 | return PTR_ERR(params.vlan); | |
4177 | break; | |
4178 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4179 | /* ignore uAPSD data */ |
4180 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4181 | ||
d582cffb JB |
4182 | /* associated is disallowed */ |
4183 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4184 | return -EINVAL; | |
bdd90d5e | 4185 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4186 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4187 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4188 | return -EINVAL; |
4189 | break; | |
4190 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4191 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4192 | /* ignore uAPSD data */ |
4193 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4194 | ||
77ee7c89 JB |
4195 | /* these are disallowed */ |
4196 | if (params.sta_flags_mask & | |
4197 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4198 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4199 | return -EINVAL; |
bdd90d5e JB |
4200 | /* Only TDLS peers can be added */ |
4201 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4202 | return -EINVAL; | |
4203 | /* Can only add if TDLS ... */ | |
4204 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4205 | return -EOPNOTSUPP; | |
4206 | /* ... with external setup is supported */ | |
4207 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4208 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4209 | /* |
4210 | * Older wpa_supplicant versions always mark the TDLS peer | |
4211 | * as authorized, but it shouldn't yet be. | |
4212 | */ | |
4213 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4214 | break; |
4215 | default: | |
4216 | return -EOPNOTSUPP; | |
c75786c9 EP |
4217 | } |
4218 | ||
bdd90d5e | 4219 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4220 | |
e35e4d28 | 4221 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4222 | |
5727ef1b JB |
4223 | if (params.vlan) |
4224 | dev_put(params.vlan); | |
5727ef1b JB |
4225 | return err; |
4226 | } | |
4227 | ||
4228 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4229 | { | |
4c476991 JB |
4230 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4231 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
4232 | u8 *mac_addr = NULL; |
4233 | ||
4234 | if (info->attrs[NL80211_ATTR_MAC]) | |
4235 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4236 | ||
e80cf853 | 4237 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4238 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4239 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4240 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4241 | return -EINVAL; | |
5727ef1b | 4242 | |
4c476991 JB |
4243 | if (!rdev->ops->del_station) |
4244 | return -EOPNOTSUPP; | |
3b85875a | 4245 | |
e35e4d28 | 4246 | return rdev_del_station(rdev, dev, mac_addr); |
5727ef1b JB |
4247 | } |
4248 | ||
15e47304 | 4249 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4250 | int flags, struct net_device *dev, |
4251 | u8 *dst, u8 *next_hop, | |
4252 | struct mpath_info *pinfo) | |
4253 | { | |
4254 | void *hdr; | |
4255 | struct nlattr *pinfoattr; | |
4256 | ||
15e47304 | 4257 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
2ec600d6 LCC |
4258 | if (!hdr) |
4259 | return -1; | |
4260 | ||
9360ffd1 DM |
4261 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4262 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4263 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4264 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4265 | goto nla_put_failure; | |
f5ea9120 | 4266 | |
2ec600d6 LCC |
4267 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4268 | if (!pinfoattr) | |
4269 | goto nla_put_failure; | |
9360ffd1 DM |
4270 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4271 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4272 | pinfo->frame_qlen)) | |
4273 | goto nla_put_failure; | |
4274 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4275 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4276 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4277 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4278 | pinfo->metric)) || | |
4279 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4280 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4281 | pinfo->exptime)) || | |
4282 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4283 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4284 | pinfo->flags)) || | |
4285 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4286 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4287 | pinfo->discovery_timeout)) || | |
4288 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4289 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4290 | pinfo->discovery_retries))) | |
4291 | goto nla_put_failure; | |
2ec600d6 LCC |
4292 | |
4293 | nla_nest_end(msg, pinfoattr); | |
4294 | ||
4295 | return genlmsg_end(msg, hdr); | |
4296 | ||
4297 | nla_put_failure: | |
bc3ed28c TG |
4298 | genlmsg_cancel(msg, hdr); |
4299 | return -EMSGSIZE; | |
2ec600d6 LCC |
4300 | } |
4301 | ||
4302 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4303 | struct netlink_callback *cb) |
2ec600d6 | 4304 | { |
2ec600d6 LCC |
4305 | struct mpath_info pinfo; |
4306 | struct cfg80211_registered_device *dev; | |
97990a06 | 4307 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4308 | u8 dst[ETH_ALEN]; |
4309 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4310 | int path_idx = cb->args[2]; |
2ec600d6 | 4311 | int err; |
2ec600d6 | 4312 | |
97990a06 | 4313 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
4314 | if (err) |
4315 | return err; | |
bba95fef JB |
4316 | |
4317 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 4318 | err = -EOPNOTSUPP; |
bba95fef JB |
4319 | goto out_err; |
4320 | } | |
4321 | ||
97990a06 | 4322 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4323 | err = -EOPNOTSUPP; |
0448b5fc | 4324 | goto out_err; |
eec60b03 JM |
4325 | } |
4326 | ||
bba95fef | 4327 | while (1) { |
97990a06 JB |
4328 | err = rdev_dump_mpath(dev, wdev->netdev, path_idx, dst, |
4329 | next_hop, &pinfo); | |
bba95fef | 4330 | if (err == -ENOENT) |
2ec600d6 | 4331 | break; |
bba95fef | 4332 | if (err) |
3b85875a | 4333 | goto out_err; |
2ec600d6 | 4334 | |
15e47304 | 4335 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4336 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4337 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4338 | &pinfo) < 0) |
4339 | goto out; | |
2ec600d6 | 4340 | |
bba95fef | 4341 | path_idx++; |
2ec600d6 | 4342 | } |
2ec600d6 | 4343 | |
2ec600d6 | 4344 | |
bba95fef | 4345 | out: |
97990a06 | 4346 | cb->args[2] = path_idx; |
bba95fef | 4347 | err = skb->len; |
bba95fef | 4348 | out_err: |
97990a06 | 4349 | nl80211_finish_wdev_dump(dev); |
bba95fef | 4350 | return err; |
2ec600d6 LCC |
4351 | } |
4352 | ||
4353 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4354 | { | |
4c476991 | 4355 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4356 | int err; |
4c476991 | 4357 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4358 | struct mpath_info pinfo; |
4359 | struct sk_buff *msg; | |
4360 | u8 *dst = NULL; | |
4361 | u8 next_hop[ETH_ALEN]; | |
4362 | ||
4363 | memset(&pinfo, 0, sizeof(pinfo)); | |
4364 | ||
4365 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4366 | return -EINVAL; | |
4367 | ||
4368 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4369 | ||
4c476991 JB |
4370 | if (!rdev->ops->get_mpath) |
4371 | return -EOPNOTSUPP; | |
2ec600d6 | 4372 | |
4c476991 JB |
4373 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4374 | return -EOPNOTSUPP; | |
eec60b03 | 4375 | |
e35e4d28 | 4376 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4377 | if (err) |
4c476991 | 4378 | return err; |
2ec600d6 | 4379 | |
fd2120ca | 4380 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4381 | if (!msg) |
4c476991 | 4382 | return -ENOMEM; |
2ec600d6 | 4383 | |
15e47304 | 4384 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4385 | dev, dst, next_hop, &pinfo) < 0) { |
4386 | nlmsg_free(msg); | |
4387 | return -ENOBUFS; | |
4388 | } | |
3b85875a | 4389 | |
4c476991 | 4390 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4391 | } |
4392 | ||
4393 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4394 | { | |
4c476991 JB |
4395 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4396 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4397 | u8 *dst = NULL; |
4398 | u8 *next_hop = NULL; | |
4399 | ||
4400 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4401 | return -EINVAL; | |
4402 | ||
4403 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4404 | return -EINVAL; | |
4405 | ||
4406 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4407 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4408 | ||
4c476991 JB |
4409 | if (!rdev->ops->change_mpath) |
4410 | return -EOPNOTSUPP; | |
35a8efe1 | 4411 | |
4c476991 JB |
4412 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4413 | return -EOPNOTSUPP; | |
2ec600d6 | 4414 | |
e35e4d28 | 4415 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4416 | } |
4c476991 | 4417 | |
2ec600d6 LCC |
4418 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4419 | { | |
4c476991 JB |
4420 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4421 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4422 | u8 *dst = NULL; |
4423 | u8 *next_hop = NULL; | |
4424 | ||
4425 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4426 | return -EINVAL; | |
4427 | ||
4428 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4429 | return -EINVAL; | |
4430 | ||
4431 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4432 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4433 | ||
4c476991 JB |
4434 | if (!rdev->ops->add_mpath) |
4435 | return -EOPNOTSUPP; | |
35a8efe1 | 4436 | |
4c476991 JB |
4437 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4438 | return -EOPNOTSUPP; | |
2ec600d6 | 4439 | |
e35e4d28 | 4440 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4441 | } |
4442 | ||
4443 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4444 | { | |
4c476991 JB |
4445 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4446 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4447 | u8 *dst = NULL; |
4448 | ||
4449 | if (info->attrs[NL80211_ATTR_MAC]) | |
4450 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4451 | ||
4c476991 JB |
4452 | if (!rdev->ops->del_mpath) |
4453 | return -EOPNOTSUPP; | |
3b85875a | 4454 | |
e35e4d28 | 4455 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4456 | } |
4457 | ||
9f1ba906 JM |
4458 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4459 | { | |
4c476991 JB |
4460 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4461 | struct net_device *dev = info->user_ptr[1]; | |
9f1ba906 JM |
4462 | struct bss_parameters params; |
4463 | ||
4464 | memset(¶ms, 0, sizeof(params)); | |
4465 | /* default to not changing parameters */ | |
4466 | params.use_cts_prot = -1; | |
4467 | params.use_short_preamble = -1; | |
4468 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4469 | params.ap_isolate = -1; |
50b12f59 | 4470 | params.ht_opmode = -1; |
53cabad7 JB |
4471 | params.p2p_ctwindow = -1; |
4472 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4473 | |
4474 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4475 | params.use_cts_prot = | |
4476 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4477 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4478 | params.use_short_preamble = | |
4479 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4480 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4481 | params.use_short_slot_time = | |
4482 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4483 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4484 | params.basic_rates = | |
4485 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4486 | params.basic_rates_len = | |
4487 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4488 | } | |
fd8aaaf3 FF |
4489 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4490 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4491 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4492 | params.ht_opmode = | |
4493 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4494 | |
53cabad7 JB |
4495 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4496 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4497 | return -EINVAL; | |
4498 | params.p2p_ctwindow = | |
4499 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4500 | if (params.p2p_ctwindow < 0) | |
4501 | return -EINVAL; | |
4502 | if (params.p2p_ctwindow != 0 && | |
4503 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4504 | return -EINVAL; | |
4505 | } | |
4506 | ||
4507 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4508 | u8 tmp; | |
4509 | ||
4510 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4511 | return -EINVAL; | |
4512 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4513 | if (tmp > 1) | |
4514 | return -EINVAL; | |
4515 | params.p2p_opp_ps = tmp; | |
4516 | if (params.p2p_opp_ps && | |
4517 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4518 | return -EINVAL; | |
4519 | } | |
4520 | ||
4c476991 JB |
4521 | if (!rdev->ops->change_bss) |
4522 | return -EOPNOTSUPP; | |
9f1ba906 | 4523 | |
074ac8df | 4524 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4525 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4526 | return -EOPNOTSUPP; | |
3b85875a | 4527 | |
e35e4d28 | 4528 | return rdev_change_bss(rdev, dev, ¶ms); |
9f1ba906 JM |
4529 | } |
4530 | ||
b54452b0 | 4531 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4532 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4533 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4534 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4535 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4536 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4537 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
4538 | }; | |
4539 | ||
4540 | static int parse_reg_rule(struct nlattr *tb[], | |
4541 | struct ieee80211_reg_rule *reg_rule) | |
4542 | { | |
4543 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4544 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4545 | ||
4546 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4547 | return -EINVAL; | |
4548 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4549 | return -EINVAL; | |
4550 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4551 | return -EINVAL; | |
4552 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
4553 | return -EINVAL; | |
4554 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
4555 | return -EINVAL; | |
4556 | ||
4557 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4558 | ||
4559 | freq_range->start_freq_khz = | |
4560 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4561 | freq_range->end_freq_khz = | |
4562 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
4563 | freq_range->max_bandwidth_khz = | |
4564 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
4565 | ||
4566 | power_rule->max_eirp = | |
4567 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4568 | ||
4569 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4570 | power_rule->max_antenna_gain = | |
4571 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4572 | ||
4573 | return 0; | |
4574 | } | |
4575 | ||
4576 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4577 | { | |
4578 | int r; | |
4579 | char *data = NULL; | |
57b5ce07 | 4580 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 4581 | |
80778f18 LR |
4582 | /* |
4583 | * You should only get this when cfg80211 hasn't yet initialized | |
4584 | * completely when built-in to the kernel right between the time | |
4585 | * window between nl80211_init() and regulatory_init(), if that is | |
4586 | * even possible. | |
4587 | */ | |
458f4f9e | 4588 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4589 | return -EINPROGRESS; |
80778f18 | 4590 | |
fe33eb39 LR |
4591 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
4592 | return -EINVAL; | |
b2e1b302 LR |
4593 | |
4594 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4595 | ||
57b5ce07 LR |
4596 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
4597 | user_reg_hint_type = | |
4598 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
4599 | else | |
4600 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
4601 | ||
4602 | switch (user_reg_hint_type) { | |
4603 | case NL80211_USER_REG_HINT_USER: | |
4604 | case NL80211_USER_REG_HINT_CELL_BASE: | |
4605 | break; | |
4606 | default: | |
4607 | return -EINVAL; | |
4608 | } | |
4609 | ||
4610 | r = regulatory_hint_user(data, user_reg_hint_type); | |
fe33eb39 | 4611 | |
b2e1b302 LR |
4612 | return r; |
4613 | } | |
4614 | ||
24bdd9f4 | 4615 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 4616 | struct genl_info *info) |
93da9cc1 | 4617 | { |
4c476991 | 4618 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4619 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
4620 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4621 | struct mesh_config cur_params; | |
4622 | int err = 0; | |
93da9cc1 | 4623 | void *hdr; |
4624 | struct nlattr *pinfoattr; | |
4625 | struct sk_buff *msg; | |
4626 | ||
29cbe68c JB |
4627 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4628 | return -EOPNOTSUPP; | |
4629 | ||
24bdd9f4 | 4630 | if (!rdev->ops->get_mesh_config) |
4c476991 | 4631 | return -EOPNOTSUPP; |
f3f92586 | 4632 | |
29cbe68c JB |
4633 | wdev_lock(wdev); |
4634 | /* If not connected, get default parameters */ | |
4635 | if (!wdev->mesh_id_len) | |
4636 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4637 | else | |
e35e4d28 | 4638 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4639 | wdev_unlock(wdev); |
4640 | ||
93da9cc1 | 4641 | if (err) |
4c476991 | 4642 | return err; |
93da9cc1 | 4643 | |
4644 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4645 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4646 | if (!msg) |
4647 | return -ENOMEM; | |
15e47304 | 4648 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4649 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4650 | if (!hdr) |
efe1cf0c | 4651 | goto out; |
24bdd9f4 | 4652 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4653 | if (!pinfoattr) |
4654 | goto nla_put_failure; | |
9360ffd1 DM |
4655 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4656 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4657 | cur_params.dot11MeshRetryTimeout) || | |
4658 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4659 | cur_params.dot11MeshConfirmTimeout) || | |
4660 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4661 | cur_params.dot11MeshHoldingTimeout) || | |
4662 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
4663 | cur_params.dot11MeshMaxPeerLinks) || | |
4664 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
4665 | cur_params.dot11MeshMaxRetries) || | |
4666 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
4667 | cur_params.dot11MeshTTL) || | |
4668 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
4669 | cur_params.element_ttl) || | |
4670 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
4671 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
4672 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4673 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
4674 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4675 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
4676 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
4677 | cur_params.path_refresh_time) || | |
4678 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
4679 | cur_params.min_discovery_timeout) || | |
4680 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
4681 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
4682 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
4683 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
4684 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
4685 | cur_params.dot11MeshHWMPperrMinInterval) || | |
4686 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
4687 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
4688 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4689 | cur_params.dot11MeshHWMPRootMode) || | |
4690 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
4691 | cur_params.dot11MeshHWMPRannInterval) || | |
4692 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
4693 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
4694 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
4695 | cur_params.dot11MeshForwarding) || | |
4696 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
4697 | cur_params.rssi_threshold) || |
4698 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
4699 | cur_params.ht_opmode) || |
4700 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
4701 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
4702 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
4703 | cur_params.dot11MeshHWMProotInterval) || |
4704 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
4705 | cur_params.dot11MeshHWMPconfirmationInterval) || |
4706 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
4707 | cur_params.power_mode) || | |
4708 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
4709 | cur_params.dot11MeshAwakeWindowDuration) || |
4710 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4711 | cur_params.plink_timeout)) | |
9360ffd1 | 4712 | goto nla_put_failure; |
93da9cc1 | 4713 | nla_nest_end(msg, pinfoattr); |
4714 | genlmsg_end(msg, hdr); | |
4c476991 | 4715 | return genlmsg_reply(msg, info); |
93da9cc1 | 4716 | |
3b85875a | 4717 | nla_put_failure: |
93da9cc1 | 4718 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 4719 | out: |
d080e275 | 4720 | nlmsg_free(msg); |
4c476991 | 4721 | return -ENOBUFS; |
93da9cc1 | 4722 | } |
4723 | ||
b54452b0 | 4724 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 4725 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
4726 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
4727 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
4728 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
4729 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
4730 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 4731 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 4732 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 4733 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 4734 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
4735 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
4736 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
4737 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
4738 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 4739 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 4740 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 4741 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 4742 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 4743 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 4744 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
4745 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
4746 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
4747 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
4748 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 4749 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
4750 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
4751 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 4752 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 4753 | }; |
4754 | ||
c80d545d JC |
4755 | static const struct nla_policy |
4756 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 4757 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
4758 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
4759 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 4760 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 4761 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 4762 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 4763 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 4764 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 4765 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
4766 | }; |
4767 | ||
24bdd9f4 | 4768 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
4769 | struct mesh_config *cfg, |
4770 | u32 *mask_out) | |
93da9cc1 | 4771 | { |
93da9cc1 | 4772 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 4773 | u32 mask = 0; |
93da9cc1 | 4774 | |
ea54fba2 MP |
4775 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
4776 | do { \ | |
4777 | if (tb[attr]) { \ | |
4778 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
4779 | return -EINVAL; \ | |
4780 | cfg->param = fn(tb[attr]); \ | |
4781 | mask |= (1 << (attr - 1)); \ | |
4782 | } \ | |
4783 | } while (0) | |
bd90fdcc JB |
4784 | |
4785 | ||
24bdd9f4 | 4786 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 4787 | return -EINVAL; |
4788 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 4789 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 4790 | nl80211_meshconf_params_policy)) |
93da9cc1 | 4791 | return -EINVAL; |
4792 | ||
93da9cc1 | 4793 | /* This makes sure that there aren't more than 32 mesh config |
4794 | * parameters (otherwise our bitfield scheme would not work.) */ | |
4795 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
4796 | ||
4797 | /* Fill in the params struct */ | |
ea54fba2 | 4798 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
4799 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
4800 | nla_get_u16); | |
ea54fba2 | 4801 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
4802 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
4803 | nla_get_u16); | |
ea54fba2 | 4804 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
4805 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
4806 | nla_get_u16); | |
ea54fba2 | 4807 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
4808 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
4809 | nla_get_u16); | |
ea54fba2 | 4810 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
4811 | mask, NL80211_MESHCONF_MAX_RETRIES, |
4812 | nla_get_u8); | |
ea54fba2 | 4813 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 4814 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 4815 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
4816 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
4817 | nla_get_u8); | |
ea54fba2 | 4818 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
4819 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
4820 | nla_get_u8); | |
ea54fba2 MP |
4821 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
4822 | 1, 255, mask, | |
a4f606ea CYY |
4823 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4824 | nla_get_u32); | |
ea54fba2 | 4825 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
4826 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4827 | nla_get_u8); | |
ea54fba2 | 4828 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
4829 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
4830 | nla_get_u32); | |
ea54fba2 | 4831 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
4832 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
4833 | nla_get_u16); | |
ea54fba2 MP |
4834 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
4835 | 1, 65535, mask, | |
a4f606ea CYY |
4836 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
4837 | nla_get_u32); | |
93da9cc1 | 4838 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
4839 | 1, 65535, mask, |
4840 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 4841 | nla_get_u16); |
dca7e943 | 4842 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
4843 | 1, 65535, mask, |
4844 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 4845 | nla_get_u16); |
93da9cc1 | 4846 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4847 | dot11MeshHWMPnetDiameterTraversalTime, |
4848 | 1, 65535, mask, | |
a4f606ea CYY |
4849 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
4850 | nla_get_u16); | |
ea54fba2 MP |
4851 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
4852 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4853 | nla_get_u8); | |
4854 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
4855 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 4856 | nla_get_u16); |
63c5723b | 4857 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4858 | dot11MeshGateAnnouncementProtocol, 0, 1, |
4859 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 4860 | nla_get_u8); |
ea54fba2 | 4861 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
4862 | mask, NL80211_MESHCONF_FORWARDING, |
4863 | nla_get_u8); | |
83374fe9 | 4864 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 4865 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
83374fe9 | 4866 | nla_get_s32); |
ea54fba2 | 4867 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 4868 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
4869 | nla_get_u16); |
4870 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 4871 | 1, 65535, mask, |
ac1073a6 CYY |
4872 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
4873 | nla_get_u32); | |
ea54fba2 | 4874 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 4875 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
4876 | nla_get_u16); |
4877 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
4878 | dot11MeshHWMPconfirmationInterval, |
4879 | 1, 65535, mask, | |
728b19e5 | 4880 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 4881 | nla_get_u16); |
3b1c5a53 MP |
4882 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
4883 | NL80211_MESH_POWER_ACTIVE, | |
4884 | NL80211_MESH_POWER_MAX, | |
4885 | mask, NL80211_MESHCONF_POWER_MODE, | |
4886 | nla_get_u32); | |
4887 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
4888 | 0, 65535, mask, | |
4889 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
8e7c0538 CT |
4890 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff, |
4891 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4892 | nla_get_u32); | |
bd90fdcc JB |
4893 | if (mask_out) |
4894 | *mask_out = mask; | |
c80d545d | 4895 | |
bd90fdcc JB |
4896 | return 0; |
4897 | ||
4898 | #undef FILL_IN_MESH_PARAM_IF_SET | |
4899 | } | |
4900 | ||
c80d545d JC |
4901 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
4902 | struct mesh_setup *setup) | |
4903 | { | |
bb2798d4 | 4904 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
4905 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
4906 | ||
4907 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
4908 | return -EINVAL; | |
4909 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
4910 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
4911 | nl80211_mesh_setup_params_policy)) | |
4912 | return -EINVAL; | |
4913 | ||
d299a1f2 JC |
4914 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
4915 | setup->sync_method = | |
4916 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
4917 | IEEE80211_SYNC_METHOD_VENDOR : | |
4918 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
4919 | ||
c80d545d JC |
4920 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
4921 | setup->path_sel_proto = | |
4922 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
4923 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
4924 | IEEE80211_PATH_PROTOCOL_HWMP; | |
4925 | ||
4926 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
4927 | setup->path_metric = | |
4928 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
4929 | IEEE80211_PATH_METRIC_VENDOR : | |
4930 | IEEE80211_PATH_METRIC_AIRTIME; | |
4931 | ||
581a8b0f JC |
4932 | |
4933 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 4934 | struct nlattr *ieattr = |
581a8b0f | 4935 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
4936 | if (!is_valid_ie_attr(ieattr)) |
4937 | return -EINVAL; | |
581a8b0f JC |
4938 | setup->ie = nla_data(ieattr); |
4939 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 4940 | } |
bb2798d4 TP |
4941 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
4942 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
4943 | return -EINVAL; | |
4944 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
4945 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
4946 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
4947 | if (setup->is_secure) |
4948 | setup->user_mpm = true; | |
c80d545d | 4949 | |
6e16d90b CT |
4950 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
4951 | if (!setup->user_mpm) | |
4952 | return -EINVAL; | |
4953 | setup->auth_id = | |
4954 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
4955 | } | |
4956 | ||
c80d545d JC |
4957 | return 0; |
4958 | } | |
4959 | ||
24bdd9f4 | 4960 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 4961 | struct genl_info *info) |
bd90fdcc JB |
4962 | { |
4963 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4964 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 4965 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
4966 | struct mesh_config cfg; |
4967 | u32 mask; | |
4968 | int err; | |
4969 | ||
29cbe68c JB |
4970 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4971 | return -EOPNOTSUPP; | |
4972 | ||
24bdd9f4 | 4973 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
4974 | return -EOPNOTSUPP; |
4975 | ||
24bdd9f4 | 4976 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
4977 | if (err) |
4978 | return err; | |
4979 | ||
29cbe68c JB |
4980 | wdev_lock(wdev); |
4981 | if (!wdev->mesh_id_len) | |
4982 | err = -ENOLINK; | |
4983 | ||
4984 | if (!err) | |
e35e4d28 | 4985 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
4986 | |
4987 | wdev_unlock(wdev); | |
4988 | ||
4989 | return err; | |
93da9cc1 | 4990 | } |
4991 | ||
f130347c LR |
4992 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
4993 | { | |
458f4f9e | 4994 | const struct ieee80211_regdomain *regdom; |
f130347c LR |
4995 | struct sk_buff *msg; |
4996 | void *hdr = NULL; | |
4997 | struct nlattr *nl_reg_rules; | |
4998 | unsigned int i; | |
f130347c LR |
4999 | |
5000 | if (!cfg80211_regdomain) | |
5fe231e8 | 5001 | return -EINVAL; |
f130347c | 5002 | |
fd2120ca | 5003 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
5fe231e8 JB |
5004 | if (!msg) |
5005 | return -ENOBUFS; | |
f130347c | 5006 | |
15e47304 | 5007 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
f130347c LR |
5008 | NL80211_CMD_GET_REG); |
5009 | if (!hdr) | |
efe1cf0c | 5010 | goto put_failure; |
f130347c | 5011 | |
57b5ce07 LR |
5012 | if (reg_last_request_cell_base() && |
5013 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5014 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5015 | goto nla_put_failure; | |
5016 | ||
458f4f9e JB |
5017 | rcu_read_lock(); |
5018 | regdom = rcu_dereference(cfg80211_regdomain); | |
5019 | ||
5020 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || | |
5021 | (regdom->dfs_region && | |
5022 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
5023 | goto nla_put_failure_rcu; | |
5024 | ||
f130347c LR |
5025 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
5026 | if (!nl_reg_rules) | |
458f4f9e | 5027 | goto nla_put_failure_rcu; |
f130347c | 5028 | |
458f4f9e | 5029 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
5030 | struct nlattr *nl_reg_rule; |
5031 | const struct ieee80211_reg_rule *reg_rule; | |
5032 | const struct ieee80211_freq_range *freq_range; | |
5033 | const struct ieee80211_power_rule *power_rule; | |
5034 | ||
458f4f9e | 5035 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
5036 | freq_range = ®_rule->freq_range; |
5037 | power_rule = ®_rule->power_rule; | |
5038 | ||
5039 | nl_reg_rule = nla_nest_start(msg, i); | |
5040 | if (!nl_reg_rule) | |
458f4f9e | 5041 | goto nla_put_failure_rcu; |
f130347c | 5042 | |
9360ffd1 DM |
5043 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
5044 | reg_rule->flags) || | |
5045 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
5046 | freq_range->start_freq_khz) || | |
5047 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5048 | freq_range->end_freq_khz) || | |
5049 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
5050 | freq_range->max_bandwidth_khz) || | |
5051 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
5052 | power_rule->max_antenna_gain) || | |
5053 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
5054 | power_rule->max_eirp)) | |
458f4f9e | 5055 | goto nla_put_failure_rcu; |
f130347c LR |
5056 | |
5057 | nla_nest_end(msg, nl_reg_rule); | |
5058 | } | |
458f4f9e | 5059 | rcu_read_unlock(); |
f130347c LR |
5060 | |
5061 | nla_nest_end(msg, nl_reg_rules); | |
5062 | ||
5063 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5064 | return genlmsg_reply(msg, info); |
f130347c | 5065 | |
458f4f9e JB |
5066 | nla_put_failure_rcu: |
5067 | rcu_read_unlock(); | |
f130347c LR |
5068 | nla_put_failure: |
5069 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5070 | put_failure: |
d080e275 | 5071 | nlmsg_free(msg); |
5fe231e8 | 5072 | return -EMSGSIZE; |
f130347c LR |
5073 | } |
5074 | ||
b2e1b302 LR |
5075 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5076 | { | |
5077 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5078 | struct nlattr *nl_reg_rule; | |
5079 | char *alpha2 = NULL; | |
5080 | int rem_reg_rules = 0, r = 0; | |
5081 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
8b60b078 | 5082 | u8 dfs_region = 0; |
b2e1b302 LR |
5083 | struct ieee80211_regdomain *rd = NULL; |
5084 | ||
5085 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5086 | return -EINVAL; | |
5087 | ||
5088 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5089 | return -EINVAL; | |
5090 | ||
5091 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5092 | ||
8b60b078 LR |
5093 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5094 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5095 | ||
b2e1b302 | 5096 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5097 | rem_reg_rules) { |
b2e1b302 LR |
5098 | num_rules++; |
5099 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5100 | return -EINVAL; |
b2e1b302 LR |
5101 | } |
5102 | ||
b2e1b302 | 5103 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5104 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5105 | |
5106 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5107 | if (!rd) |
5108 | return -ENOMEM; | |
b2e1b302 LR |
5109 | |
5110 | rd->n_reg_rules = num_rules; | |
5111 | rd->alpha2[0] = alpha2[0]; | |
5112 | rd->alpha2[1] = alpha2[1]; | |
5113 | ||
8b60b078 LR |
5114 | /* |
5115 | * Disable DFS master mode if the DFS region was | |
5116 | * not supported or known on this kernel. | |
5117 | */ | |
5118 | if (reg_supported_dfs_region(dfs_region)) | |
5119 | rd->dfs_region = dfs_region; | |
5120 | ||
b2e1b302 | 5121 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5122 | rem_reg_rules) { |
b2e1b302 | 5123 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
1a919318 JB |
5124 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), |
5125 | reg_rule_policy); | |
b2e1b302 LR |
5126 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5127 | if (r) | |
5128 | goto bad_reg; | |
5129 | ||
5130 | rule_idx++; | |
5131 | ||
d0e18f83 LR |
5132 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5133 | r = -EINVAL; | |
b2e1b302 | 5134 | goto bad_reg; |
d0e18f83 | 5135 | } |
b2e1b302 LR |
5136 | } |
5137 | ||
b2e1b302 | 5138 | r = set_regdom(rd); |
6913b49a | 5139 | /* set_regdom took ownership */ |
1a919318 | 5140 | rd = NULL; |
b2e1b302 | 5141 | |
d2372b31 | 5142 | bad_reg: |
b2e1b302 | 5143 | kfree(rd); |
d0e18f83 | 5144 | return r; |
b2e1b302 LR |
5145 | } |
5146 | ||
83f5e2cf JB |
5147 | static int validate_scan_freqs(struct nlattr *freqs) |
5148 | { | |
5149 | struct nlattr *attr1, *attr2; | |
5150 | int n_channels = 0, tmp1, tmp2; | |
5151 | ||
5152 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5153 | n_channels++; | |
5154 | /* | |
5155 | * Some hardware has a limited channel list for | |
5156 | * scanning, and it is pretty much nonsensical | |
5157 | * to scan for a channel twice, so disallow that | |
5158 | * and don't require drivers to check that the | |
5159 | * channel list they get isn't longer than what | |
5160 | * they can scan, as long as they can scan all | |
5161 | * the channels they registered at once. | |
5162 | */ | |
5163 | nla_for_each_nested(attr2, freqs, tmp2) | |
5164 | if (attr1 != attr2 && | |
5165 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5166 | return 0; | |
5167 | } | |
5168 | ||
5169 | return n_channels; | |
5170 | } | |
5171 | ||
2a519311 JB |
5172 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5173 | { | |
4c476991 | 5174 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5175 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5176 | struct cfg80211_scan_request *request; |
2a519311 JB |
5177 | struct nlattr *attr; |
5178 | struct wiphy *wiphy; | |
83f5e2cf | 5179 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5180 | size_t ie_len; |
2a519311 | 5181 | |
f4a11bb0 JB |
5182 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5183 | return -EINVAL; | |
5184 | ||
79c97e97 | 5185 | wiphy = &rdev->wiphy; |
2a519311 | 5186 | |
4c476991 JB |
5187 | if (!rdev->ops->scan) |
5188 | return -EOPNOTSUPP; | |
2a519311 | 5189 | |
f9f47529 JB |
5190 | if (rdev->scan_req) { |
5191 | err = -EBUSY; | |
5192 | goto unlock; | |
5193 | } | |
2a519311 JB |
5194 | |
5195 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5196 | n_channels = validate_scan_freqs( |
5197 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5198 | if (!n_channels) { |
5199 | err = -EINVAL; | |
5200 | goto unlock; | |
5201 | } | |
2a519311 | 5202 | } else { |
34850ab2 | 5203 | enum ieee80211_band band; |
83f5e2cf JB |
5204 | n_channels = 0; |
5205 | ||
2a519311 JB |
5206 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
5207 | if (wiphy->bands[band]) | |
5208 | n_channels += wiphy->bands[band]->n_channels; | |
5209 | } | |
5210 | ||
5211 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5212 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5213 | n_ssids++; | |
5214 | ||
f9f47529 JB |
5215 | if (n_ssids > wiphy->max_scan_ssids) { |
5216 | err = -EINVAL; | |
5217 | goto unlock; | |
5218 | } | |
2a519311 | 5219 | |
70692ad2 JM |
5220 | if (info->attrs[NL80211_ATTR_IE]) |
5221 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5222 | else | |
5223 | ie_len = 0; | |
5224 | ||
f9f47529 JB |
5225 | if (ie_len > wiphy->max_scan_ie_len) { |
5226 | err = -EINVAL; | |
5227 | goto unlock; | |
5228 | } | |
18a83659 | 5229 | |
2a519311 | 5230 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5231 | + sizeof(*request->ssids) * n_ssids |
5232 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5233 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5234 | if (!request) { |
5235 | err = -ENOMEM; | |
5236 | goto unlock; | |
5237 | } | |
2a519311 | 5238 | |
2a519311 | 5239 | if (n_ssids) |
5ba63533 | 5240 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5241 | request->n_ssids = n_ssids; |
70692ad2 JM |
5242 | if (ie_len) { |
5243 | if (request->ssids) | |
5244 | request->ie = (void *)(request->ssids + n_ssids); | |
5245 | else | |
5246 | request->ie = (void *)(request->channels + n_channels); | |
5247 | } | |
2a519311 | 5248 | |
584991dc | 5249 | i = 0; |
2a519311 JB |
5250 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5251 | /* user specified, bail out if channel not found */ | |
2a519311 | 5252 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5253 | struct ieee80211_channel *chan; |
5254 | ||
5255 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5256 | ||
5257 | if (!chan) { | |
2a519311 JB |
5258 | err = -EINVAL; |
5259 | goto out_free; | |
5260 | } | |
584991dc JB |
5261 | |
5262 | /* ignore disabled channels */ | |
5263 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5264 | continue; | |
5265 | ||
5266 | request->channels[i] = chan; | |
2a519311 JB |
5267 | i++; |
5268 | } | |
5269 | } else { | |
34850ab2 JB |
5270 | enum ieee80211_band band; |
5271 | ||
2a519311 | 5272 | /* all channels */ |
2a519311 JB |
5273 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5274 | int j; | |
5275 | if (!wiphy->bands[band]) | |
5276 | continue; | |
5277 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5278 | struct ieee80211_channel *chan; |
5279 | ||
5280 | chan = &wiphy->bands[band]->channels[j]; | |
5281 | ||
5282 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5283 | continue; | |
5284 | ||
5285 | request->channels[i] = chan; | |
2a519311 JB |
5286 | i++; |
5287 | } | |
5288 | } | |
5289 | } | |
5290 | ||
584991dc JB |
5291 | if (!i) { |
5292 | err = -EINVAL; | |
5293 | goto out_free; | |
5294 | } | |
5295 | ||
5296 | request->n_channels = i; | |
5297 | ||
2a519311 JB |
5298 | i = 0; |
5299 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5300 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 5301 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5302 | err = -EINVAL; |
5303 | goto out_free; | |
5304 | } | |
57a27e1d | 5305 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5306 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5307 | i++; |
5308 | } | |
5309 | } | |
5310 | ||
70692ad2 JM |
5311 | if (info->attrs[NL80211_ATTR_IE]) { |
5312 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5313 | memcpy((void *)request->ie, |
5314 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5315 | request->ie_len); |
5316 | } | |
5317 | ||
34850ab2 | 5318 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5319 | if (wiphy->bands[i]) |
5320 | request->rates[i] = | |
5321 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5322 | |
5323 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5324 | nla_for_each_nested(attr, | |
5325 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5326 | tmp) { | |
5327 | enum ieee80211_band band = nla_type(attr); | |
5328 | ||
84404623 | 5329 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5330 | err = -EINVAL; |
5331 | goto out_free; | |
5332 | } | |
5333 | err = ieee80211_get_ratemask(wiphy->bands[band], | |
5334 | nla_data(attr), | |
5335 | nla_len(attr), | |
5336 | &request->rates[band]); | |
5337 | if (err) | |
5338 | goto out_free; | |
5339 | } | |
5340 | } | |
5341 | ||
46856bbf | 5342 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5343 | request->flags = nla_get_u32( |
5344 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5345 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5346 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5347 | err = -EOPNOTSUPP; |
5348 | goto out_free; | |
5349 | } | |
5350 | } | |
ed473771 | 5351 | |
e9f935e3 RM |
5352 | request->no_cck = |
5353 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5354 | ||
fd014284 | 5355 | request->wdev = wdev; |
79c97e97 | 5356 | request->wiphy = &rdev->wiphy; |
15d6030b | 5357 | request->scan_start = jiffies; |
2a519311 | 5358 | |
79c97e97 | 5359 | rdev->scan_req = request; |
e35e4d28 | 5360 | err = rdev_scan(rdev, request); |
2a519311 | 5361 | |
463d0183 | 5362 | if (!err) { |
fd014284 JB |
5363 | nl80211_send_scan_start(rdev, wdev); |
5364 | if (wdev->netdev) | |
5365 | dev_hold(wdev->netdev); | |
4c476991 | 5366 | } else { |
2a519311 | 5367 | out_free: |
79c97e97 | 5368 | rdev->scan_req = NULL; |
2a519311 JB |
5369 | kfree(request); |
5370 | } | |
3b85875a | 5371 | |
f9f47529 | 5372 | unlock: |
2a519311 JB |
5373 | return err; |
5374 | } | |
5375 | ||
807f8a8c LC |
5376 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
5377 | struct genl_info *info) | |
5378 | { | |
5379 | struct cfg80211_sched_scan_request *request; | |
5380 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5381 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
5382 | struct nlattr *attr; |
5383 | struct wiphy *wiphy; | |
a1f1c21c | 5384 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5385 | u32 interval; |
807f8a8c LC |
5386 | enum ieee80211_band band; |
5387 | size_t ie_len; | |
a1f1c21c | 5388 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
807f8a8c LC |
5389 | |
5390 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5391 | !rdev->ops->sched_scan_start) | |
5392 | return -EOPNOTSUPP; | |
5393 | ||
5394 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
5395 | return -EINVAL; | |
5396 | ||
bbe6ad6d LC |
5397 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5398 | return -EINVAL; | |
5399 | ||
5400 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
5401 | if (interval == 0) | |
5402 | return -EINVAL; | |
5403 | ||
807f8a8c LC |
5404 | wiphy = &rdev->wiphy; |
5405 | ||
5406 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5407 | n_channels = validate_scan_freqs( | |
5408 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
5409 | if (!n_channels) | |
5410 | return -EINVAL; | |
5411 | } else { | |
5412 | n_channels = 0; | |
5413 | ||
5414 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
5415 | if (wiphy->bands[band]) | |
5416 | n_channels += wiphy->bands[band]->n_channels; | |
5417 | } | |
5418 | ||
5419 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5420 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5421 | tmp) | |
5422 | n_ssids++; | |
5423 | ||
93b6aa69 | 5424 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
5425 | return -EINVAL; |
5426 | ||
a1f1c21c LC |
5427 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) |
5428 | nla_for_each_nested(attr, | |
5429 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5430 | tmp) | |
5431 | n_match_sets++; | |
5432 | ||
5433 | if (n_match_sets > wiphy->max_match_sets) | |
5434 | return -EINVAL; | |
5435 | ||
807f8a8c LC |
5436 | if (info->attrs[NL80211_ATTR_IE]) |
5437 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5438 | else | |
5439 | ie_len = 0; | |
5440 | ||
5a865bad | 5441 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
5442 | return -EINVAL; |
5443 | ||
c10841ca LC |
5444 | if (rdev->sched_scan_req) { |
5445 | err = -EINPROGRESS; | |
5446 | goto out; | |
5447 | } | |
5448 | ||
807f8a8c | 5449 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5450 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5451 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5452 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5453 | + ie_len, GFP_KERNEL); |
c10841ca LC |
5454 | if (!request) { |
5455 | err = -ENOMEM; | |
5456 | goto out; | |
5457 | } | |
807f8a8c LC |
5458 | |
5459 | if (n_ssids) | |
5460 | request->ssids = (void *)&request->channels[n_channels]; | |
5461 | request->n_ssids = n_ssids; | |
5462 | if (ie_len) { | |
5463 | if (request->ssids) | |
5464 | request->ie = (void *)(request->ssids + n_ssids); | |
5465 | else | |
5466 | request->ie = (void *)(request->channels + n_channels); | |
5467 | } | |
5468 | ||
a1f1c21c LC |
5469 | if (n_match_sets) { |
5470 | if (request->ie) | |
5471 | request->match_sets = (void *)(request->ie + ie_len); | |
5472 | else if (request->ssids) | |
5473 | request->match_sets = | |
5474 | (void *)(request->ssids + n_ssids); | |
5475 | else | |
5476 | request->match_sets = | |
5477 | (void *)(request->channels + n_channels); | |
5478 | } | |
5479 | request->n_match_sets = n_match_sets; | |
5480 | ||
807f8a8c LC |
5481 | i = 0; |
5482 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5483 | /* user specified, bail out if channel not found */ | |
5484 | nla_for_each_nested(attr, | |
5485 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
5486 | tmp) { | |
5487 | struct ieee80211_channel *chan; | |
5488 | ||
5489 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5490 | ||
5491 | if (!chan) { | |
5492 | err = -EINVAL; | |
5493 | goto out_free; | |
5494 | } | |
5495 | ||
5496 | /* ignore disabled channels */ | |
5497 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5498 | continue; | |
5499 | ||
5500 | request->channels[i] = chan; | |
5501 | i++; | |
5502 | } | |
5503 | } else { | |
5504 | /* all channels */ | |
5505 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5506 | int j; | |
5507 | if (!wiphy->bands[band]) | |
5508 | continue; | |
5509 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
5510 | struct ieee80211_channel *chan; | |
5511 | ||
5512 | chan = &wiphy->bands[band]->channels[j]; | |
5513 | ||
5514 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5515 | continue; | |
5516 | ||
5517 | request->channels[i] = chan; | |
5518 | i++; | |
5519 | } | |
5520 | } | |
5521 | } | |
5522 | ||
5523 | if (!i) { | |
5524 | err = -EINVAL; | |
5525 | goto out_free; | |
5526 | } | |
5527 | ||
5528 | request->n_channels = i; | |
5529 | ||
5530 | i = 0; | |
5531 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5532 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5533 | tmp) { | |
57a27e1d | 5534 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
5535 | err = -EINVAL; |
5536 | goto out_free; | |
5537 | } | |
57a27e1d | 5538 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
5539 | memcpy(request->ssids[i].ssid, nla_data(attr), |
5540 | nla_len(attr)); | |
807f8a8c LC |
5541 | i++; |
5542 | } | |
5543 | } | |
5544 | ||
a1f1c21c LC |
5545 | i = 0; |
5546 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
5547 | nla_for_each_nested(attr, | |
5548 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5549 | tmp) { | |
88e920b4 | 5550 | struct nlattr *ssid, *rssi; |
a1f1c21c LC |
5551 | |
5552 | nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5553 | nla_data(attr), nla_len(attr), | |
5554 | nl80211_match_policy); | |
4a4ab0d7 | 5555 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c LC |
5556 | if (ssid) { |
5557 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
5558 | err = -EINVAL; | |
5559 | goto out_free; | |
5560 | } | |
5561 | memcpy(request->match_sets[i].ssid.ssid, | |
5562 | nla_data(ssid), nla_len(ssid)); | |
5563 | request->match_sets[i].ssid.ssid_len = | |
5564 | nla_len(ssid); | |
5565 | } | |
88e920b4 TP |
5566 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; |
5567 | if (rssi) | |
5568 | request->rssi_thold = nla_get_u32(rssi); | |
5569 | else | |
5570 | request->rssi_thold = | |
5571 | NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
5572 | i++; |
5573 | } | |
5574 | } | |
5575 | ||
807f8a8c LC |
5576 | if (info->attrs[NL80211_ATTR_IE]) { |
5577 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5578 | memcpy((void *)request->ie, | |
5579 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5580 | request->ie_len); | |
5581 | } | |
5582 | ||
46856bbf | 5583 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5584 | request->flags = nla_get_u32( |
5585 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5586 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5587 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5588 | err = -EOPNOTSUPP; |
5589 | goto out_free; | |
5590 | } | |
5591 | } | |
ed473771 | 5592 | |
807f8a8c LC |
5593 | request->dev = dev; |
5594 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 5595 | request->interval = interval; |
15d6030b | 5596 | request->scan_start = jiffies; |
807f8a8c | 5597 | |
e35e4d28 | 5598 | err = rdev_sched_scan_start(rdev, dev, request); |
807f8a8c LC |
5599 | if (!err) { |
5600 | rdev->sched_scan_req = request; | |
5601 | nl80211_send_sched_scan(rdev, dev, | |
5602 | NL80211_CMD_START_SCHED_SCAN); | |
5603 | goto out; | |
5604 | } | |
5605 | ||
5606 | out_free: | |
5607 | kfree(request); | |
5608 | out: | |
5609 | return err; | |
5610 | } | |
5611 | ||
5612 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
5613 | struct genl_info *info) | |
5614 | { | |
5615 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5616 | ||
5617 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5618 | !rdev->ops->sched_scan_stop) | |
5619 | return -EOPNOTSUPP; | |
5620 | ||
5fe231e8 | 5621 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
5622 | } |
5623 | ||
04f39047 SW |
5624 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
5625 | struct genl_info *info) | |
5626 | { | |
5627 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5628 | struct net_device *dev = info->user_ptr[1]; | |
5629 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5630 | struct cfg80211_chan_def chandef; | |
5631 | int err; | |
5632 | ||
5633 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
5634 | if (err) | |
5635 | return err; | |
5636 | ||
ff311bc1 SW |
5637 | if (netif_carrier_ok(dev)) |
5638 | return -EBUSY; | |
5639 | ||
04f39047 SW |
5640 | if (wdev->cac_started) |
5641 | return -EBUSY; | |
5642 | ||
5643 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef); | |
5644 | if (err < 0) | |
5645 | return err; | |
5646 | ||
5647 | if (err == 0) | |
5648 | return -EINVAL; | |
5649 | ||
fe7c3a1f | 5650 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
5651 | return -EINVAL; |
5652 | ||
5653 | if (!rdev->ops->start_radar_detection) | |
5654 | return -EOPNOTSUPP; | |
5655 | ||
04f39047 SW |
5656 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
5657 | chandef.chan, CHAN_MODE_SHARED, | |
5658 | BIT(chandef.width)); | |
5659 | if (err) | |
5fe231e8 | 5660 | return err; |
04f39047 SW |
5661 | |
5662 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef); | |
5663 | if (!err) { | |
5664 | wdev->channel = chandef.chan; | |
5665 | wdev->cac_started = true; | |
5666 | wdev->cac_start_time = jiffies; | |
5667 | } | |
04f39047 SW |
5668 | return err; |
5669 | } | |
5670 | ||
16ef1fe2 SW |
5671 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
5672 | { | |
5673 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5674 | struct net_device *dev = info->user_ptr[1]; | |
5675 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5676 | struct cfg80211_csa_settings params; | |
5677 | /* csa_attrs is defined static to avoid waste of stack size - this | |
5678 | * function is called under RTNL lock, so this should not be a problem. | |
5679 | */ | |
5680 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
5681 | u8 radar_detect_width = 0; | |
5682 | int err; | |
ee4bc9e7 | 5683 | bool need_new_beacon = false; |
16ef1fe2 SW |
5684 | |
5685 | if (!rdev->ops->channel_switch || | |
5686 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
5687 | return -EOPNOTSUPP; | |
5688 | ||
ee4bc9e7 SW |
5689 | switch (dev->ieee80211_ptr->iftype) { |
5690 | case NL80211_IFTYPE_AP: | |
5691 | case NL80211_IFTYPE_P2P_GO: | |
5692 | need_new_beacon = true; | |
5693 | ||
5694 | /* useless if AP is not running */ | |
5695 | if (!wdev->beacon_interval) | |
5696 | return -EINVAL; | |
5697 | break; | |
5698 | case NL80211_IFTYPE_ADHOC: | |
c6da674a | 5699 | case NL80211_IFTYPE_MESH_POINT: |
ee4bc9e7 SW |
5700 | break; |
5701 | default: | |
16ef1fe2 | 5702 | return -EOPNOTSUPP; |
ee4bc9e7 | 5703 | } |
16ef1fe2 SW |
5704 | |
5705 | memset(¶ms, 0, sizeof(params)); | |
5706 | ||
5707 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
5708 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
5709 | return -EINVAL; | |
5710 | ||
5711 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 5712 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
5713 | return -EINVAL; |
5714 | ||
5715 | params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
5716 | ||
ee4bc9e7 SW |
5717 | if (!need_new_beacon) |
5718 | goto skip_beacons; | |
5719 | ||
16ef1fe2 SW |
5720 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
5721 | if (err) | |
5722 | return err; | |
5723 | ||
5724 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
5725 | info->attrs[NL80211_ATTR_CSA_IES], | |
5726 | nl80211_policy); | |
5727 | if (err) | |
5728 | return err; | |
5729 | ||
5730 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
5731 | if (err) | |
5732 | return err; | |
5733 | ||
5734 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
5735 | return -EINVAL; | |
5736 | ||
5737 | params.counter_offset_beacon = | |
5738 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
5739 | if (params.counter_offset_beacon >= params.beacon_csa.tail_len) | |
5740 | return -EINVAL; | |
5741 | ||
5742 | /* sanity check - counters should be the same */ | |
5743 | if (params.beacon_csa.tail[params.counter_offset_beacon] != | |
5744 | params.count) | |
5745 | return -EINVAL; | |
5746 | ||
5747 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { | |
5748 | params.counter_offset_presp = | |
5749 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
5750 | if (params.counter_offset_presp >= | |
5751 | params.beacon_csa.probe_resp_len) | |
5752 | return -EINVAL; | |
5753 | ||
5754 | if (params.beacon_csa.probe_resp[params.counter_offset_presp] != | |
5755 | params.count) | |
5756 | return -EINVAL; | |
5757 | } | |
5758 | ||
ee4bc9e7 | 5759 | skip_beacons: |
16ef1fe2 SW |
5760 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
5761 | if (err) | |
5762 | return err; | |
5763 | ||
5764 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) | |
5765 | return -EINVAL; | |
5766 | ||
ee4bc9e7 | 5767 | if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP || |
5336fa88 SW |
5768 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO || |
5769 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_ADHOC) { | |
ee4bc9e7 SW |
5770 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
5771 | ¶ms.chandef); | |
5772 | if (err < 0) { | |
5773 | return err; | |
5774 | } else if (err) { | |
5775 | radar_detect_width = BIT(params.chandef.width); | |
5776 | params.radar_required = true; | |
5777 | } | |
16ef1fe2 SW |
5778 | } |
5779 | ||
5780 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, | |
5781 | params.chandef.chan, | |
5782 | CHAN_MODE_SHARED, | |
5783 | radar_detect_width); | |
5784 | if (err) | |
5785 | return err; | |
5786 | ||
5787 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) | |
5788 | params.block_tx = true; | |
5789 | ||
5790 | return rdev_channel_switch(rdev, dev, ¶ms); | |
5791 | } | |
5792 | ||
9720bb3a JB |
5793 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
5794 | u32 seq, int flags, | |
2a519311 | 5795 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
5796 | struct wireless_dev *wdev, |
5797 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 5798 | { |
48ab905d | 5799 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 5800 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
5801 | void *hdr; |
5802 | struct nlattr *bss; | |
8cef2c9d | 5803 | bool tsf = false; |
48ab905d JB |
5804 | |
5805 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 5806 | |
15e47304 | 5807 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
5808 | NL80211_CMD_NEW_SCAN_RESULTS); |
5809 | if (!hdr) | |
5810 | return -1; | |
5811 | ||
9720bb3a JB |
5812 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
5813 | ||
97990a06 JB |
5814 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
5815 | goto nla_put_failure; | |
5816 | if (wdev->netdev && | |
9360ffd1 DM |
5817 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
5818 | goto nla_put_failure; | |
97990a06 JB |
5819 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
5820 | goto nla_put_failure; | |
2a519311 JB |
5821 | |
5822 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
5823 | if (!bss) | |
5824 | goto nla_put_failure; | |
9360ffd1 | 5825 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 5826 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 5827 | goto nla_put_failure; |
9caf0364 JB |
5828 | |
5829 | rcu_read_lock(); | |
5830 | ies = rcu_dereference(res->ies); | |
8cef2c9d JB |
5831 | if (ies) { |
5832 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5833 | goto fail_unlock_rcu; | |
5834 | tsf = true; | |
5835 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
5836 | ies->len, ies->data)) | |
5837 | goto fail_unlock_rcu; | |
9caf0364 JB |
5838 | } |
5839 | ies = rcu_dereference(res->beacon_ies); | |
8cef2c9d JB |
5840 | if (ies) { |
5841 | if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5842 | goto fail_unlock_rcu; | |
5843 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
5844 | ies->len, ies->data)) | |
5845 | goto fail_unlock_rcu; | |
9caf0364 JB |
5846 | } |
5847 | rcu_read_unlock(); | |
5848 | ||
9360ffd1 DM |
5849 | if (res->beacon_interval && |
5850 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
5851 | goto nla_put_failure; | |
5852 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
5853 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 5854 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
5855 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
5856 | jiffies_to_msecs(jiffies - intbss->ts))) | |
5857 | goto nla_put_failure; | |
2a519311 | 5858 | |
77965c97 | 5859 | switch (rdev->wiphy.signal_type) { |
2a519311 | 5860 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
5861 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
5862 | goto nla_put_failure; | |
2a519311 JB |
5863 | break; |
5864 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
5865 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
5866 | goto nla_put_failure; | |
2a519311 JB |
5867 | break; |
5868 | default: | |
5869 | break; | |
5870 | } | |
5871 | ||
48ab905d | 5872 | switch (wdev->iftype) { |
074ac8df | 5873 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 5874 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
5875 | if (intbss == wdev->current_bss && |
5876 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5877 | NL80211_BSS_STATUS_ASSOCIATED)) | |
5878 | goto nla_put_failure; | |
48ab905d JB |
5879 | break; |
5880 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
5881 | if (intbss == wdev->current_bss && |
5882 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5883 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
5884 | goto nla_put_failure; | |
48ab905d JB |
5885 | break; |
5886 | default: | |
5887 | break; | |
5888 | } | |
5889 | ||
2a519311 JB |
5890 | nla_nest_end(msg, bss); |
5891 | ||
5892 | return genlmsg_end(msg, hdr); | |
5893 | ||
8cef2c9d JB |
5894 | fail_unlock_rcu: |
5895 | rcu_read_unlock(); | |
2a519311 JB |
5896 | nla_put_failure: |
5897 | genlmsg_cancel(msg, hdr); | |
5898 | return -EMSGSIZE; | |
5899 | } | |
5900 | ||
97990a06 | 5901 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 5902 | { |
48ab905d | 5903 | struct cfg80211_registered_device *rdev; |
2a519311 | 5904 | struct cfg80211_internal_bss *scan; |
48ab905d | 5905 | struct wireless_dev *wdev; |
97990a06 | 5906 | int start = cb->args[2], idx = 0; |
2a519311 JB |
5907 | int err; |
5908 | ||
97990a06 | 5909 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
5910 | if (err) |
5911 | return err; | |
2a519311 | 5912 | |
48ab905d JB |
5913 | wdev_lock(wdev); |
5914 | spin_lock_bh(&rdev->bss_lock); | |
5915 | cfg80211_bss_expire(rdev); | |
5916 | ||
9720bb3a JB |
5917 | cb->seq = rdev->bss_generation; |
5918 | ||
48ab905d | 5919 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
5920 | if (++idx <= start) |
5921 | continue; | |
9720bb3a | 5922 | if (nl80211_send_bss(skb, cb, |
2a519311 | 5923 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 5924 | rdev, wdev, scan) < 0) { |
2a519311 | 5925 | idx--; |
67748893 | 5926 | break; |
2a519311 JB |
5927 | } |
5928 | } | |
5929 | ||
48ab905d JB |
5930 | spin_unlock_bh(&rdev->bss_lock); |
5931 | wdev_unlock(wdev); | |
2a519311 | 5932 | |
97990a06 JB |
5933 | cb->args[2] = idx; |
5934 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 5935 | |
67748893 | 5936 | return skb->len; |
2a519311 JB |
5937 | } |
5938 | ||
15e47304 | 5939 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
5940 | int flags, struct net_device *dev, |
5941 | struct survey_info *survey) | |
5942 | { | |
5943 | void *hdr; | |
5944 | struct nlattr *infoattr; | |
5945 | ||
15e47304 | 5946 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
5947 | NL80211_CMD_NEW_SURVEY_RESULTS); |
5948 | if (!hdr) | |
5949 | return -ENOMEM; | |
5950 | ||
9360ffd1 DM |
5951 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
5952 | goto nla_put_failure; | |
61fa713c HS |
5953 | |
5954 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
5955 | if (!infoattr) | |
5956 | goto nla_put_failure; | |
5957 | ||
9360ffd1 DM |
5958 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
5959 | survey->channel->center_freq)) | |
5960 | goto nla_put_failure; | |
5961 | ||
5962 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
5963 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
5964 | goto nla_put_failure; | |
5965 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
5966 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
5967 | goto nla_put_failure; | |
5968 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
5969 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
5970 | survey->channel_time)) | |
5971 | goto nla_put_failure; | |
5972 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
5973 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
5974 | survey->channel_time_busy)) | |
5975 | goto nla_put_failure; | |
5976 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
5977 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
5978 | survey->channel_time_ext_busy)) | |
5979 | goto nla_put_failure; | |
5980 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
5981 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
5982 | survey->channel_time_rx)) | |
5983 | goto nla_put_failure; | |
5984 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
5985 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
5986 | survey->channel_time_tx)) | |
5987 | goto nla_put_failure; | |
61fa713c HS |
5988 | |
5989 | nla_nest_end(msg, infoattr); | |
5990 | ||
5991 | return genlmsg_end(msg, hdr); | |
5992 | ||
5993 | nla_put_failure: | |
5994 | genlmsg_cancel(msg, hdr); | |
5995 | return -EMSGSIZE; | |
5996 | } | |
5997 | ||
5998 | static int nl80211_dump_survey(struct sk_buff *skb, | |
5999 | struct netlink_callback *cb) | |
6000 | { | |
6001 | struct survey_info survey; | |
6002 | struct cfg80211_registered_device *dev; | |
97990a06 JB |
6003 | struct wireless_dev *wdev; |
6004 | int survey_idx = cb->args[2]; | |
61fa713c HS |
6005 | int res; |
6006 | ||
97990a06 | 6007 | res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
6008 | if (res) |
6009 | return res; | |
61fa713c | 6010 | |
97990a06 JB |
6011 | if (!wdev->netdev) { |
6012 | res = -EINVAL; | |
6013 | goto out_err; | |
6014 | } | |
6015 | ||
61fa713c HS |
6016 | if (!dev->ops->dump_survey) { |
6017 | res = -EOPNOTSUPP; | |
6018 | goto out_err; | |
6019 | } | |
6020 | ||
6021 | while (1) { | |
180cdc79 LR |
6022 | struct ieee80211_channel *chan; |
6023 | ||
97990a06 | 6024 | res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
6025 | if (res == -ENOENT) |
6026 | break; | |
6027 | if (res) | |
6028 | goto out_err; | |
6029 | ||
180cdc79 LR |
6030 | /* Survey without a channel doesn't make sense */ |
6031 | if (!survey.channel) { | |
6032 | res = -EINVAL; | |
6033 | goto out; | |
6034 | } | |
6035 | ||
6036 | chan = ieee80211_get_channel(&dev->wiphy, | |
6037 | survey.channel->center_freq); | |
6038 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
6039 | survey_idx++; | |
6040 | continue; | |
6041 | } | |
6042 | ||
61fa713c | 6043 | if (nl80211_send_survey(skb, |
15e47304 | 6044 | NETLINK_CB(cb->skb).portid, |
61fa713c | 6045 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 6046 | wdev->netdev, &survey) < 0) |
61fa713c HS |
6047 | goto out; |
6048 | survey_idx++; | |
6049 | } | |
6050 | ||
6051 | out: | |
97990a06 | 6052 | cb->args[2] = survey_idx; |
61fa713c HS |
6053 | res = skb->len; |
6054 | out_err: | |
97990a06 | 6055 | nl80211_finish_wdev_dump(dev); |
61fa713c HS |
6056 | return res; |
6057 | } | |
6058 | ||
b23aa676 SO |
6059 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
6060 | { | |
6061 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
6062 | NL80211_WPA_VERSION_2)); | |
6063 | } | |
6064 | ||
636a5d36 JM |
6065 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6066 | { | |
4c476991 JB |
6067 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6068 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6069 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6070 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6071 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6072 | enum nl80211_auth_type auth_type; |
fffd0934 | 6073 | struct key_parse key; |
d5cdfacb | 6074 | bool local_state_change; |
636a5d36 | 6075 | |
f4a11bb0 JB |
6076 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6077 | return -EINVAL; | |
6078 | ||
6079 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6080 | return -EINVAL; | |
6081 | ||
1778092e JM |
6082 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6083 | return -EINVAL; | |
6084 | ||
19957bb3 JB |
6085 | if (!info->attrs[NL80211_ATTR_SSID]) |
6086 | return -EINVAL; | |
6087 | ||
6088 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6089 | return -EINVAL; | |
6090 | ||
fffd0934 JB |
6091 | err = nl80211_parse_key(info, &key); |
6092 | if (err) | |
6093 | return err; | |
6094 | ||
6095 | if (key.idx >= 0) { | |
e31b8213 JB |
6096 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6097 | return -EINVAL; | |
fffd0934 JB |
6098 | if (!key.p.key || !key.p.key_len) |
6099 | return -EINVAL; | |
6100 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6101 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6102 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6103 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6104 | return -EINVAL; | |
6105 | if (key.idx > 4) | |
6106 | return -EINVAL; | |
6107 | } else { | |
6108 | key.p.key_len = 0; | |
6109 | key.p.key = NULL; | |
6110 | } | |
6111 | ||
afea0b7a JB |
6112 | if (key.idx >= 0) { |
6113 | int i; | |
6114 | bool ok = false; | |
6115 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6116 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6117 | ok = true; | |
6118 | break; | |
6119 | } | |
6120 | } | |
4c476991 JB |
6121 | if (!ok) |
6122 | return -EINVAL; | |
afea0b7a JB |
6123 | } |
6124 | ||
4c476991 JB |
6125 | if (!rdev->ops->auth) |
6126 | return -EOPNOTSUPP; | |
636a5d36 | 6127 | |
074ac8df | 6128 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6129 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6130 | return -EOPNOTSUPP; | |
eec60b03 | 6131 | |
19957bb3 | 6132 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 6133 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 6134 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
6135 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6136 | return -EINVAL; | |
636a5d36 | 6137 | |
19957bb3 JB |
6138 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6139 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6140 | |
6141 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6142 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6143 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6144 | } |
6145 | ||
19957bb3 | 6146 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6147 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6148 | return -EINVAL; |
636a5d36 | 6149 | |
e39e5b5e JM |
6150 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6151 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6152 | return -EINVAL; | |
6153 | ||
6154 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6155 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6156 | return -EINVAL; | |
6157 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6158 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6159 | /* need to include at least Auth Transaction and Status Code */ | |
6160 | if (sae_data_len < 4) | |
6161 | return -EINVAL; | |
6162 | } | |
6163 | ||
d5cdfacb JM |
6164 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6165 | ||
95de817b JB |
6166 | /* |
6167 | * Since we no longer track auth state, ignore | |
6168 | * requests to only change local state. | |
6169 | */ | |
6170 | if (local_state_change) | |
6171 | return 0; | |
6172 | ||
91bf9b26 JB |
6173 | wdev_lock(dev->ieee80211_ptr); |
6174 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6175 | ssid, ssid_len, ie, ie_len, | |
6176 | key.p.key, key.p.key_len, key.idx, | |
6177 | sae_data, sae_data_len); | |
6178 | wdev_unlock(dev->ieee80211_ptr); | |
6179 | return err; | |
636a5d36 JM |
6180 | } |
6181 | ||
c0692b8f JB |
6182 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6183 | struct genl_info *info, | |
3dc27d25 JB |
6184 | struct cfg80211_crypto_settings *settings, |
6185 | int cipher_limit) | |
b23aa676 | 6186 | { |
c0b2bbd8 JB |
6187 | memset(settings, 0, sizeof(*settings)); |
6188 | ||
b23aa676 SO |
6189 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6190 | ||
c0692b8f JB |
6191 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6192 | u16 proto; | |
6193 | proto = nla_get_u16( | |
6194 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6195 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6196 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6197 | proto != ETH_P_PAE) | |
6198 | return -EINVAL; | |
6199 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6200 | settings->control_port_no_encrypt = true; | |
6201 | } else | |
6202 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6203 | ||
b23aa676 SO |
6204 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6205 | void *data; | |
6206 | int len, i; | |
6207 | ||
6208 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6209 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6210 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6211 | ||
6212 | if (len % sizeof(u32)) | |
6213 | return -EINVAL; | |
6214 | ||
3dc27d25 | 6215 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6216 | return -EINVAL; |
6217 | ||
6218 | memcpy(settings->ciphers_pairwise, data, len); | |
6219 | ||
6220 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6221 | if (!cfg80211_supported_cipher_suite( |
6222 | &rdev->wiphy, | |
b23aa676 SO |
6223 | settings->ciphers_pairwise[i])) |
6224 | return -EINVAL; | |
6225 | } | |
6226 | ||
6227 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6228 | settings->cipher_group = | |
6229 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6230 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6231 | settings->cipher_group)) | |
b23aa676 SO |
6232 | return -EINVAL; |
6233 | } | |
6234 | ||
6235 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6236 | settings->wpa_versions = | |
6237 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6238 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6239 | return -EINVAL; | |
6240 | } | |
6241 | ||
6242 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6243 | void *data; | |
6d30240e | 6244 | int len; |
b23aa676 SO |
6245 | |
6246 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6247 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6248 | settings->n_akm_suites = len / sizeof(u32); | |
6249 | ||
6250 | if (len % sizeof(u32)) | |
6251 | return -EINVAL; | |
6252 | ||
1b9ca027 JM |
6253 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6254 | return -EINVAL; | |
6255 | ||
b23aa676 | 6256 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6257 | } |
6258 | ||
6259 | return 0; | |
6260 | } | |
6261 | ||
636a5d36 JM |
6262 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6263 | { | |
4c476991 JB |
6264 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6265 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6266 | struct ieee80211_channel *chan; |
f62fab73 JB |
6267 | struct cfg80211_assoc_request req = {}; |
6268 | const u8 *bssid, *ssid; | |
6269 | int err, ssid_len = 0; | |
636a5d36 | 6270 | |
f4a11bb0 JB |
6271 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6272 | return -EINVAL; | |
6273 | ||
6274 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6275 | !info->attrs[NL80211_ATTR_SSID] || |
6276 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6277 | return -EINVAL; |
6278 | ||
4c476991 JB |
6279 | if (!rdev->ops->assoc) |
6280 | return -EOPNOTSUPP; | |
636a5d36 | 6281 | |
074ac8df | 6282 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6283 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6284 | return -EOPNOTSUPP; | |
eec60b03 | 6285 | |
19957bb3 | 6286 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6287 | |
19957bb3 JB |
6288 | chan = ieee80211_get_channel(&rdev->wiphy, |
6289 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
6290 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6291 | return -EINVAL; | |
636a5d36 | 6292 | |
19957bb3 JB |
6293 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6294 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6295 | |
6296 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6297 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6298 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6299 | } |
6300 | ||
dc6382ce | 6301 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6302 | enum nl80211_mfp mfp = |
dc6382ce | 6303 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6304 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6305 | req.use_mfp = true; |
4c476991 JB |
6306 | else if (mfp != NL80211_MFP_NO) |
6307 | return -EINVAL; | |
dc6382ce JM |
6308 | } |
6309 | ||
3e5d7649 | 6310 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6311 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6312 | |
7e7c8926 | 6313 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6314 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6315 | |
6316 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6317 | memcpy(&req.ht_capa_mask, |
6318 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6319 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6320 | |
6321 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6322 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6323 | return -EINVAL; |
f62fab73 JB |
6324 | memcpy(&req.ht_capa, |
6325 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6326 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6327 | } |
6328 | ||
ee2aca34 | 6329 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6330 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6331 | |
6332 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6333 | memcpy(&req.vht_capa_mask, |
6334 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6335 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6336 | |
6337 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6338 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6339 | return -EINVAL; |
f62fab73 JB |
6340 | memcpy(&req.vht_capa, |
6341 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6342 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6343 | } |
6344 | ||
f62fab73 | 6345 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
6346 | if (!err) { |
6347 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
6348 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6349 | ssid, ssid_len, &req); | |
91bf9b26 JB |
6350 | wdev_unlock(dev->ieee80211_ptr); |
6351 | } | |
636a5d36 | 6352 | |
636a5d36 JM |
6353 | return err; |
6354 | } | |
6355 | ||
6356 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
6357 | { | |
4c476991 JB |
6358 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6359 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6360 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6361 | int ie_len = 0, err; |
19957bb3 | 6362 | u16 reason_code; |
d5cdfacb | 6363 | bool local_state_change; |
636a5d36 | 6364 | |
f4a11bb0 JB |
6365 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6366 | return -EINVAL; | |
6367 | ||
6368 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6369 | return -EINVAL; | |
6370 | ||
6371 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6372 | return -EINVAL; | |
6373 | ||
4c476991 JB |
6374 | if (!rdev->ops->deauth) |
6375 | return -EOPNOTSUPP; | |
636a5d36 | 6376 | |
074ac8df | 6377 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6378 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6379 | return -EOPNOTSUPP; | |
eec60b03 | 6380 | |
19957bb3 | 6381 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6382 | |
19957bb3 JB |
6383 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6384 | if (reason_code == 0) { | |
f4a11bb0 | 6385 | /* Reason Code 0 is reserved */ |
4c476991 | 6386 | return -EINVAL; |
255e737e | 6387 | } |
636a5d36 JM |
6388 | |
6389 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6390 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6391 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6392 | } |
6393 | ||
d5cdfacb JM |
6394 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6395 | ||
91bf9b26 JB |
6396 | wdev_lock(dev->ieee80211_ptr); |
6397 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
6398 | local_state_change); | |
6399 | wdev_unlock(dev->ieee80211_ptr); | |
6400 | return err; | |
636a5d36 JM |
6401 | } |
6402 | ||
6403 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
6404 | { | |
4c476991 JB |
6405 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6406 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6407 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6408 | int ie_len = 0, err; |
19957bb3 | 6409 | u16 reason_code; |
d5cdfacb | 6410 | bool local_state_change; |
636a5d36 | 6411 | |
f4a11bb0 JB |
6412 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6413 | return -EINVAL; | |
6414 | ||
6415 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6416 | return -EINVAL; | |
6417 | ||
6418 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6419 | return -EINVAL; | |
6420 | ||
4c476991 JB |
6421 | if (!rdev->ops->disassoc) |
6422 | return -EOPNOTSUPP; | |
636a5d36 | 6423 | |
074ac8df | 6424 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6425 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6426 | return -EOPNOTSUPP; | |
eec60b03 | 6427 | |
19957bb3 | 6428 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6429 | |
19957bb3 JB |
6430 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6431 | if (reason_code == 0) { | |
f4a11bb0 | 6432 | /* Reason Code 0 is reserved */ |
4c476991 | 6433 | return -EINVAL; |
255e737e | 6434 | } |
636a5d36 JM |
6435 | |
6436 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6437 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6438 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6439 | } |
6440 | ||
d5cdfacb JM |
6441 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6442 | ||
91bf9b26 JB |
6443 | wdev_lock(dev->ieee80211_ptr); |
6444 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
6445 | local_state_change); | |
6446 | wdev_unlock(dev->ieee80211_ptr); | |
6447 | return err; | |
636a5d36 JM |
6448 | } |
6449 | ||
dd5b4cc7 FF |
6450 | static bool |
6451 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
6452 | int mcast_rate[IEEE80211_NUM_BANDS], | |
6453 | int rateval) | |
6454 | { | |
6455 | struct wiphy *wiphy = &rdev->wiphy; | |
6456 | bool found = false; | |
6457 | int band, i; | |
6458 | ||
6459 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6460 | struct ieee80211_supported_band *sband; | |
6461 | ||
6462 | sband = wiphy->bands[band]; | |
6463 | if (!sband) | |
6464 | continue; | |
6465 | ||
6466 | for (i = 0; i < sband->n_bitrates; i++) { | |
6467 | if (sband->bitrates[i].bitrate == rateval) { | |
6468 | mcast_rate[band] = i + 1; | |
6469 | found = true; | |
6470 | break; | |
6471 | } | |
6472 | } | |
6473 | } | |
6474 | ||
6475 | return found; | |
6476 | } | |
6477 | ||
04a773ad JB |
6478 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
6479 | { | |
4c476991 JB |
6480 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6481 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
6482 | struct cfg80211_ibss_params ibss; |
6483 | struct wiphy *wiphy; | |
fffd0934 | 6484 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
6485 | int err; |
6486 | ||
8e30bc55 JB |
6487 | memset(&ibss, 0, sizeof(ibss)); |
6488 | ||
04a773ad JB |
6489 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6490 | return -EINVAL; | |
6491 | ||
683b6d3b | 6492 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
6493 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
6494 | return -EINVAL; | |
6495 | ||
8e30bc55 JB |
6496 | ibss.beacon_interval = 100; |
6497 | ||
6498 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
6499 | ibss.beacon_interval = | |
6500 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
6501 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
6502 | return -EINVAL; | |
6503 | } | |
6504 | ||
4c476991 JB |
6505 | if (!rdev->ops->join_ibss) |
6506 | return -EOPNOTSUPP; | |
04a773ad | 6507 | |
4c476991 JB |
6508 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6509 | return -EOPNOTSUPP; | |
04a773ad | 6510 | |
79c97e97 | 6511 | wiphy = &rdev->wiphy; |
04a773ad | 6512 | |
39193498 | 6513 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 6514 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
6515 | |
6516 | if (!is_valid_ether_addr(ibss.bssid)) | |
6517 | return -EINVAL; | |
6518 | } | |
04a773ad JB |
6519 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6520 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6521 | ||
6522 | if (info->attrs[NL80211_ATTR_IE]) { | |
6523 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6524 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6525 | } | |
6526 | ||
683b6d3b JB |
6527 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
6528 | if (err) | |
6529 | return err; | |
04a773ad | 6530 | |
683b6d3b | 6531 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef)) |
54858ee5 AS |
6532 | return -EINVAL; |
6533 | ||
2f301ab2 | 6534 | switch (ibss.chandef.width) { |
bf372645 SW |
6535 | case NL80211_CHAN_WIDTH_5: |
6536 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
6537 | case NL80211_CHAN_WIDTH_20_NOHT: |
6538 | break; | |
6539 | case NL80211_CHAN_WIDTH_20: | |
6540 | case NL80211_CHAN_WIDTH_40: | |
6541 | if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) | |
6542 | break; | |
6543 | default: | |
c04d6150 | 6544 | return -EINVAL; |
2f301ab2 | 6545 | } |
db9c64cf | 6546 | |
04a773ad | 6547 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
6548 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
6549 | ||
fbd2c8dc TP |
6550 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
6551 | u8 *rates = | |
6552 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6553 | int n_rates = | |
6554 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6555 | struct ieee80211_supported_band *sband = | |
683b6d3b | 6556 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 6557 | |
34850ab2 JB |
6558 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
6559 | &ibss.basic_rates); | |
6560 | if (err) | |
6561 | return err; | |
fbd2c8dc | 6562 | } |
dd5b4cc7 | 6563 | |
803768f5 SW |
6564 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
6565 | memcpy(&ibss.ht_capa_mask, | |
6566 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6567 | sizeof(ibss.ht_capa_mask)); | |
6568 | ||
6569 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
6570 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6571 | return -EINVAL; | |
6572 | memcpy(&ibss.ht_capa, | |
6573 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6574 | sizeof(ibss.ht_capa)); | |
6575 | } | |
6576 | ||
dd5b4cc7 FF |
6577 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
6578 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
6579 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
6580 | return -EINVAL; | |
fbd2c8dc | 6581 | |
4c476991 | 6582 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
6583 | bool no_ht = false; |
6584 | ||
4c476991 | 6585 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
6586 | info->attrs[NL80211_ATTR_KEYS], |
6587 | &no_ht); | |
4c476991 JB |
6588 | if (IS_ERR(connkeys)) |
6589 | return PTR_ERR(connkeys); | |
de7044ee | 6590 | |
3d9d1d66 JB |
6591 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
6592 | no_ht) { | |
de7044ee SM |
6593 | kfree(connkeys); |
6594 | return -EINVAL; | |
6595 | } | |
4c476991 | 6596 | } |
04a773ad | 6597 | |
267335d6 AQ |
6598 | ibss.control_port = |
6599 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
6600 | ||
5336fa88 SW |
6601 | ibss.userspace_handles_dfs = |
6602 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
6603 | ||
4c476991 | 6604 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
6605 | if (err) |
6606 | kfree(connkeys); | |
04a773ad JB |
6607 | return err; |
6608 | } | |
6609 | ||
6610 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
6611 | { | |
4c476991 JB |
6612 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6613 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 6614 | |
4c476991 JB |
6615 | if (!rdev->ops->leave_ibss) |
6616 | return -EOPNOTSUPP; | |
04a773ad | 6617 | |
4c476991 JB |
6618 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6619 | return -EOPNOTSUPP; | |
04a773ad | 6620 | |
4c476991 | 6621 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
6622 | } |
6623 | ||
f4e583c8 AQ |
6624 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
6625 | { | |
6626 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6627 | struct net_device *dev = info->user_ptr[1]; | |
6628 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
6629 | u32 nla_rate; | |
6630 | int err; | |
6631 | ||
6632 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
6633 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
6634 | return -EOPNOTSUPP; | |
6635 | ||
6636 | if (!rdev->ops->set_mcast_rate) | |
6637 | return -EOPNOTSUPP; | |
6638 | ||
6639 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
6640 | ||
6641 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
6642 | return -EINVAL; | |
6643 | ||
6644 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
6645 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
6646 | return -EINVAL; | |
6647 | ||
6648 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
6649 | ||
6650 | return err; | |
6651 | } | |
6652 | ||
6653 | ||
aff89a9b JB |
6654 | #ifdef CONFIG_NL80211_TESTMODE |
6655 | static struct genl_multicast_group nl80211_testmode_mcgrp = { | |
6656 | .name = "testmode", | |
6657 | }; | |
6658 | ||
6659 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) | |
6660 | { | |
4c476991 | 6661 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
6662 | struct wireless_dev *wdev = |
6663 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
6664 | int err; |
6665 | ||
fc73f11f DS |
6666 | if (!rdev->ops->testmode_cmd) |
6667 | return -EOPNOTSUPP; | |
6668 | ||
6669 | if (IS_ERR(wdev)) { | |
6670 | err = PTR_ERR(wdev); | |
6671 | if (err != -EINVAL) | |
6672 | return err; | |
6673 | wdev = NULL; | |
6674 | } else if (wdev->wiphy != &rdev->wiphy) { | |
6675 | return -EINVAL; | |
6676 | } | |
6677 | ||
aff89a9b JB |
6678 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
6679 | return -EINVAL; | |
6680 | ||
fc73f11f DS |
6681 | rdev->testmode_info = info; |
6682 | err = rdev_testmode_cmd(rdev, wdev, | |
aff89a9b JB |
6683 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
6684 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
fc73f11f | 6685 | rdev->testmode_info = NULL; |
aff89a9b | 6686 | |
aff89a9b JB |
6687 | return err; |
6688 | } | |
6689 | ||
71063f0e WYG |
6690 | static int nl80211_testmode_dump(struct sk_buff *skb, |
6691 | struct netlink_callback *cb) | |
6692 | { | |
00918d33 | 6693 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
6694 | int err; |
6695 | long phy_idx; | |
6696 | void *data = NULL; | |
6697 | int data_len = 0; | |
6698 | ||
5fe231e8 JB |
6699 | rtnl_lock(); |
6700 | ||
71063f0e WYG |
6701 | if (cb->args[0]) { |
6702 | /* | |
6703 | * 0 is a valid index, but not valid for args[0], | |
6704 | * so we need to offset by 1. | |
6705 | */ | |
6706 | phy_idx = cb->args[0] - 1; | |
6707 | } else { | |
6708 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
6709 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
6710 | nl80211_policy); | |
6711 | if (err) | |
5fe231e8 | 6712 | goto out_err; |
00918d33 | 6713 | |
2bd7e35d JB |
6714 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
6715 | nl80211_fam.attrbuf); | |
6716 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
6717 | err = PTR_ERR(rdev); |
6718 | goto out_err; | |
00918d33 | 6719 | } |
2bd7e35d JB |
6720 | phy_idx = rdev->wiphy_idx; |
6721 | rdev = NULL; | |
2bd7e35d | 6722 | |
71063f0e WYG |
6723 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
6724 | cb->args[1] = | |
6725 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
6726 | } | |
6727 | ||
6728 | if (cb->args[1]) { | |
6729 | data = nla_data((void *)cb->args[1]); | |
6730 | data_len = nla_len((void *)cb->args[1]); | |
6731 | } | |
6732 | ||
00918d33 JB |
6733 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
6734 | if (!rdev) { | |
5fe231e8 JB |
6735 | err = -ENOENT; |
6736 | goto out_err; | |
71063f0e | 6737 | } |
71063f0e | 6738 | |
00918d33 | 6739 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
6740 | err = -EOPNOTSUPP; |
6741 | goto out_err; | |
6742 | } | |
6743 | ||
6744 | while (1) { | |
15e47304 | 6745 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
6746 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
6747 | NL80211_CMD_TESTMODE); | |
6748 | struct nlattr *tmdata; | |
6749 | ||
cb35fba3 DC |
6750 | if (!hdr) |
6751 | break; | |
6752 | ||
9360ffd1 | 6753 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
6754 | genlmsg_cancel(skb, hdr); |
6755 | break; | |
6756 | } | |
6757 | ||
6758 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
6759 | if (!tmdata) { | |
6760 | genlmsg_cancel(skb, hdr); | |
6761 | break; | |
6762 | } | |
e35e4d28 | 6763 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
6764 | nla_nest_end(skb, tmdata); |
6765 | ||
6766 | if (err == -ENOBUFS || err == -ENOENT) { | |
6767 | genlmsg_cancel(skb, hdr); | |
6768 | break; | |
6769 | } else if (err) { | |
6770 | genlmsg_cancel(skb, hdr); | |
6771 | goto out_err; | |
6772 | } | |
6773 | ||
6774 | genlmsg_end(skb, hdr); | |
6775 | } | |
6776 | ||
6777 | err = skb->len; | |
6778 | /* see above */ | |
6779 | cb->args[0] = phy_idx + 1; | |
6780 | out_err: | |
5fe231e8 | 6781 | rtnl_unlock(); |
71063f0e WYG |
6782 | return err; |
6783 | } | |
6784 | ||
aff89a9b JB |
6785 | static struct sk_buff * |
6786 | __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, | |
15e47304 | 6787 | int approxlen, u32 portid, u32 seq, gfp_t gfp) |
aff89a9b JB |
6788 | { |
6789 | struct sk_buff *skb; | |
6790 | void *hdr; | |
6791 | struct nlattr *data; | |
6792 | ||
6793 | skb = nlmsg_new(approxlen + 100, gfp); | |
6794 | if (!skb) | |
6795 | return NULL; | |
6796 | ||
15e47304 | 6797 | hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE); |
aff89a9b JB |
6798 | if (!hdr) { |
6799 | kfree_skb(skb); | |
6800 | return NULL; | |
6801 | } | |
6802 | ||
9360ffd1 DM |
6803 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) |
6804 | goto nla_put_failure; | |
aff89a9b JB |
6805 | data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); |
6806 | ||
6807 | ((void **)skb->cb)[0] = rdev; | |
6808 | ((void **)skb->cb)[1] = hdr; | |
6809 | ((void **)skb->cb)[2] = data; | |
6810 | ||
6811 | return skb; | |
6812 | ||
6813 | nla_put_failure: | |
6814 | kfree_skb(skb); | |
6815 | return NULL; | |
6816 | } | |
6817 | ||
6818 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
6819 | int approxlen) | |
6820 | { | |
6821 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6822 | ||
6823 | if (WARN_ON(!rdev->testmode_info)) | |
6824 | return NULL; | |
6825 | ||
6826 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, | |
15e47304 | 6827 | rdev->testmode_info->snd_portid, |
aff89a9b JB |
6828 | rdev->testmode_info->snd_seq, |
6829 | GFP_KERNEL); | |
6830 | } | |
6831 | EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); | |
6832 | ||
6833 | int cfg80211_testmode_reply(struct sk_buff *skb) | |
6834 | { | |
6835 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
6836 | void *hdr = ((void **)skb->cb)[1]; | |
6837 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6838 | ||
6839 | if (WARN_ON(!rdev->testmode_info)) { | |
6840 | kfree_skb(skb); | |
6841 | return -EINVAL; | |
6842 | } | |
6843 | ||
6844 | nla_nest_end(skb, data); | |
6845 | genlmsg_end(skb, hdr); | |
6846 | return genlmsg_reply(skb, rdev->testmode_info); | |
6847 | } | |
6848 | EXPORT_SYMBOL(cfg80211_testmode_reply); | |
6849 | ||
6850 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
6851 | int approxlen, gfp_t gfp) | |
6852 | { | |
6853 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6854 | ||
6855 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); | |
6856 | } | |
6857 | EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); | |
6858 | ||
6859 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) | |
6860 | { | |
a0ec570f | 6861 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; |
aff89a9b JB |
6862 | void *hdr = ((void **)skb->cb)[1]; |
6863 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6864 | ||
6865 | nla_nest_end(skb, data); | |
6866 | genlmsg_end(skb, hdr); | |
a0ec570f MK |
6867 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), skb, 0, |
6868 | nl80211_testmode_mcgrp.id, gfp); | |
aff89a9b JB |
6869 | } |
6870 | EXPORT_SYMBOL(cfg80211_testmode_event); | |
6871 | #endif | |
6872 | ||
b23aa676 SO |
6873 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
6874 | { | |
4c476991 JB |
6875 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6876 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
6877 | struct cfg80211_connect_params connect; |
6878 | struct wiphy *wiphy; | |
fffd0934 | 6879 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
6880 | int err; |
6881 | ||
6882 | memset(&connect, 0, sizeof(connect)); | |
6883 | ||
6884 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
6885 | return -EINVAL; | |
6886 | ||
6887 | if (!info->attrs[NL80211_ATTR_SSID] || | |
6888 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
6889 | return -EINVAL; | |
6890 | ||
6891 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
6892 | connect.auth_type = | |
6893 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
6894 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
6895 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
6896 | return -EINVAL; |
6897 | } else | |
6898 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
6899 | ||
6900 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
6901 | ||
c0692b8f | 6902 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 6903 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
6904 | if (err) |
6905 | return err; | |
b23aa676 | 6906 | |
074ac8df | 6907 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6908 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6909 | return -EOPNOTSUPP; | |
b23aa676 | 6910 | |
79c97e97 | 6911 | wiphy = &rdev->wiphy; |
b23aa676 | 6912 | |
4486ea98 BS |
6913 | connect.bg_scan_period = -1; |
6914 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
6915 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
6916 | connect.bg_scan_period = | |
6917 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
6918 | } | |
6919 | ||
b23aa676 SO |
6920 | if (info->attrs[NL80211_ATTR_MAC]) |
6921 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6922 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
6923 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6924 | ||
6925 | if (info->attrs[NL80211_ATTR_IE]) { | |
6926 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6927 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6928 | } | |
6929 | ||
cee00a95 JM |
6930 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
6931 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
6932 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
6933 | connect.mfp != NL80211_MFP_NO) | |
6934 | return -EINVAL; | |
6935 | } else { | |
6936 | connect.mfp = NL80211_MFP_NO; | |
6937 | } | |
6938 | ||
b23aa676 SO |
6939 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
6940 | connect.channel = | |
6941 | ieee80211_get_channel(wiphy, | |
6942 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
6943 | if (!connect.channel || | |
4c476991 JB |
6944 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
6945 | return -EINVAL; | |
b23aa676 SO |
6946 | } |
6947 | ||
fffd0934 JB |
6948 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
6949 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 6950 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
6951 | if (IS_ERR(connkeys)) |
6952 | return PTR_ERR(connkeys); | |
fffd0934 JB |
6953 | } |
6954 | ||
7e7c8926 BG |
6955 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
6956 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
6957 | ||
6958 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6959 | memcpy(&connect.ht_capa_mask, | |
6960 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6961 | sizeof(connect.ht_capa_mask)); | |
6962 | ||
6963 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e WY |
6964 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
6965 | kfree(connkeys); | |
7e7c8926 | 6966 | return -EINVAL; |
b4e4f47e | 6967 | } |
7e7c8926 BG |
6968 | memcpy(&connect.ht_capa, |
6969 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6970 | sizeof(connect.ht_capa)); | |
6971 | } | |
6972 | ||
ee2aca34 JB |
6973 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
6974 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
6975 | ||
6976 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
6977 | memcpy(&connect.vht_capa_mask, | |
6978 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6979 | sizeof(connect.vht_capa_mask)); | |
6980 | ||
6981 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
6982 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
6983 | kfree(connkeys); | |
6984 | return -EINVAL; | |
6985 | } | |
6986 | memcpy(&connect.vht_capa, | |
6987 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6988 | sizeof(connect.vht_capa)); | |
6989 | } | |
6990 | ||
83739b03 JB |
6991 | wdev_lock(dev->ieee80211_ptr); |
6992 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
6993 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 JB |
6994 | if (err) |
6995 | kfree(connkeys); | |
b23aa676 SO |
6996 | return err; |
6997 | } | |
6998 | ||
6999 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
7000 | { | |
4c476991 JB |
7001 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7002 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 7003 | u16 reason; |
83739b03 | 7004 | int ret; |
b23aa676 SO |
7005 | |
7006 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7007 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
7008 | else | |
7009 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
7010 | ||
7011 | if (reason == 0) | |
7012 | return -EINVAL; | |
7013 | ||
074ac8df | 7014 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7015 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7016 | return -EOPNOTSUPP; | |
b23aa676 | 7017 | |
83739b03 JB |
7018 | wdev_lock(dev->ieee80211_ptr); |
7019 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
7020 | wdev_unlock(dev->ieee80211_ptr); | |
7021 | return ret; | |
b23aa676 SO |
7022 | } |
7023 | ||
463d0183 JB |
7024 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
7025 | { | |
4c476991 | 7026 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
7027 | struct net *net; |
7028 | int err; | |
7029 | u32 pid; | |
7030 | ||
7031 | if (!info->attrs[NL80211_ATTR_PID]) | |
7032 | return -EINVAL; | |
7033 | ||
7034 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
7035 | ||
463d0183 | 7036 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
7037 | if (IS_ERR(net)) |
7038 | return PTR_ERR(net); | |
463d0183 JB |
7039 | |
7040 | err = 0; | |
7041 | ||
7042 | /* check if anything to do */ | |
4c476991 JB |
7043 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
7044 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 7045 | |
463d0183 | 7046 | put_net(net); |
463d0183 JB |
7047 | return err; |
7048 | } | |
7049 | ||
67fbb16b SO |
7050 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
7051 | { | |
4c476991 | 7052 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
7053 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
7054 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 7055 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
7056 | struct cfg80211_pmksa pmksa; |
7057 | ||
7058 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
7059 | ||
7060 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7061 | return -EINVAL; | |
7062 | ||
7063 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
7064 | return -EINVAL; | |
7065 | ||
67fbb16b SO |
7066 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7067 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7068 | ||
074ac8df | 7069 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7070 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7071 | return -EOPNOTSUPP; | |
67fbb16b SO |
7072 | |
7073 | switch (info->genlhdr->cmd) { | |
7074 | case NL80211_CMD_SET_PMKSA: | |
7075 | rdev_ops = rdev->ops->set_pmksa; | |
7076 | break; | |
7077 | case NL80211_CMD_DEL_PMKSA: | |
7078 | rdev_ops = rdev->ops->del_pmksa; | |
7079 | break; | |
7080 | default: | |
7081 | WARN_ON(1); | |
7082 | break; | |
7083 | } | |
7084 | ||
4c476991 JB |
7085 | if (!rdev_ops) |
7086 | return -EOPNOTSUPP; | |
67fbb16b | 7087 | |
4c476991 | 7088 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7089 | } |
7090 | ||
7091 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7092 | { | |
4c476991 JB |
7093 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7094 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7095 | |
074ac8df | 7096 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7097 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7098 | return -EOPNOTSUPP; | |
67fbb16b | 7099 | |
4c476991 JB |
7100 | if (!rdev->ops->flush_pmksa) |
7101 | return -EOPNOTSUPP; | |
67fbb16b | 7102 | |
e35e4d28 | 7103 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7104 | } |
7105 | ||
109086ce AN |
7106 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7107 | { | |
7108 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7109 | struct net_device *dev = info->user_ptr[1]; | |
7110 | u8 action_code, dialog_token; | |
7111 | u16 status_code; | |
7112 | u8 *peer; | |
7113 | ||
7114 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7115 | !rdev->ops->tdls_mgmt) | |
7116 | return -EOPNOTSUPP; | |
7117 | ||
7118 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7119 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7120 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7121 | !info->attrs[NL80211_ATTR_IE] || | |
7122 | !info->attrs[NL80211_ATTR_MAC]) | |
7123 | return -EINVAL; | |
7124 | ||
7125 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7126 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7127 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7128 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
7129 | ||
e35e4d28 HG |
7130 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
7131 | dialog_token, status_code, | |
7132 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
7133 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7134 | } |
7135 | ||
7136 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7137 | { | |
7138 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7139 | struct net_device *dev = info->user_ptr[1]; | |
7140 | enum nl80211_tdls_operation operation; | |
7141 | u8 *peer; | |
7142 | ||
7143 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7144 | !rdev->ops->tdls_oper) | |
7145 | return -EOPNOTSUPP; | |
7146 | ||
7147 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7148 | !info->attrs[NL80211_ATTR_MAC]) | |
7149 | return -EINVAL; | |
7150 | ||
7151 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7152 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7153 | ||
e35e4d28 | 7154 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7155 | } |
7156 | ||
9588bbd5 JM |
7157 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7158 | struct genl_info *info) | |
7159 | { | |
4c476991 | 7160 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7161 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7162 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7163 | struct sk_buff *msg; |
7164 | void *hdr; | |
7165 | u64 cookie; | |
683b6d3b | 7166 | u32 duration; |
9588bbd5 JM |
7167 | int err; |
7168 | ||
7169 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7170 | !info->attrs[NL80211_ATTR_DURATION]) | |
7171 | return -EINVAL; | |
7172 | ||
7173 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7174 | ||
ebf348fc JB |
7175 | if (!rdev->ops->remain_on_channel || |
7176 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7177 | return -EOPNOTSUPP; | |
7178 | ||
9588bbd5 | 7179 | /* |
ebf348fc JB |
7180 | * We should be on that channel for at least a minimum amount of |
7181 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7182 | */ |
ebf348fc | 7183 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 7184 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
7185 | return -EINVAL; |
7186 | ||
683b6d3b JB |
7187 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7188 | if (err) | |
7189 | return err; | |
9588bbd5 JM |
7190 | |
7191 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7192 | if (!msg) |
7193 | return -ENOMEM; | |
9588bbd5 | 7194 | |
15e47304 | 7195 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 7196 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
7197 | if (!hdr) { |
7198 | err = -ENOBUFS; | |
9588bbd5 JM |
7199 | goto free_msg; |
7200 | } | |
7201 | ||
683b6d3b JB |
7202 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
7203 | duration, &cookie); | |
9588bbd5 JM |
7204 | |
7205 | if (err) | |
7206 | goto free_msg; | |
7207 | ||
9360ffd1 DM |
7208 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7209 | goto nla_put_failure; | |
9588bbd5 JM |
7210 | |
7211 | genlmsg_end(msg, hdr); | |
4c476991 JB |
7212 | |
7213 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
7214 | |
7215 | nla_put_failure: | |
7216 | err = -ENOBUFS; | |
7217 | free_msg: | |
7218 | nlmsg_free(msg); | |
9588bbd5 JM |
7219 | return err; |
7220 | } | |
7221 | ||
7222 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
7223 | struct genl_info *info) | |
7224 | { | |
4c476991 | 7225 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7226 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 7227 | u64 cookie; |
9588bbd5 JM |
7228 | |
7229 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7230 | return -EINVAL; | |
7231 | ||
4c476991 JB |
7232 | if (!rdev->ops->cancel_remain_on_channel) |
7233 | return -EOPNOTSUPP; | |
9588bbd5 | 7234 | |
9588bbd5 JM |
7235 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
7236 | ||
e35e4d28 | 7237 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7238 | } |
7239 | ||
13ae75b1 JM |
7240 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7241 | u8 *rates, u8 rates_len) | |
7242 | { | |
7243 | u8 i; | |
7244 | u32 mask = 0; | |
7245 | ||
7246 | for (i = 0; i < rates_len; i++) { | |
7247 | int rate = (rates[i] & 0x7f) * 5; | |
7248 | int ridx; | |
7249 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7250 | struct ieee80211_rate *srate = | |
7251 | &sband->bitrates[ridx]; | |
7252 | if (rate == srate->bitrate) { | |
7253 | mask |= 1 << ridx; | |
7254 | break; | |
7255 | } | |
7256 | } | |
7257 | if (ridx == sband->n_bitrates) | |
7258 | return 0; /* rate not found */ | |
7259 | } | |
7260 | ||
7261 | return mask; | |
7262 | } | |
7263 | ||
24db78c0 SW |
7264 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7265 | u8 *rates, u8 rates_len, | |
7266 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7267 | { | |
7268 | u8 i; | |
7269 | ||
7270 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7271 | ||
7272 | for (i = 0; i < rates_len; i++) { | |
7273 | int ridx, rbit; | |
7274 | ||
7275 | ridx = rates[i] / 8; | |
7276 | rbit = BIT(rates[i] % 8); | |
7277 | ||
7278 | /* check validity */ | |
910570b5 | 7279 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7280 | return false; |
7281 | ||
7282 | /* check availability */ | |
7283 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7284 | mcs[ridx] |= rbit; | |
7285 | else | |
7286 | return false; | |
7287 | } | |
7288 | ||
7289 | return true; | |
7290 | } | |
7291 | ||
b54452b0 | 7292 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
7293 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
7294 | .len = NL80211_MAX_SUPP_RATES }, | |
24db78c0 SW |
7295 | [NL80211_TXRATE_MCS] = { .type = NLA_BINARY, |
7296 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
13ae75b1 JM |
7297 | }; |
7298 | ||
7299 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
7300 | struct genl_info *info) | |
7301 | { | |
7302 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 7303 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 7304 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
7305 | int rem, i; |
7306 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
7307 | struct nlattr *tx_rates; |
7308 | struct ieee80211_supported_band *sband; | |
7309 | ||
7310 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) | |
7311 | return -EINVAL; | |
7312 | ||
4c476991 JB |
7313 | if (!rdev->ops->set_bitrate_mask) |
7314 | return -EOPNOTSUPP; | |
13ae75b1 JM |
7315 | |
7316 | memset(&mask, 0, sizeof(mask)); | |
7317 | /* Default to all rates enabled */ | |
7318 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
7319 | sband = rdev->wiphy.bands[i]; | |
7320 | mask.control[i].legacy = | |
7321 | sband ? (1 << sband->n_bitrates) - 1 : 0; | |
24db78c0 SW |
7322 | if (sband) |
7323 | memcpy(mask.control[i].mcs, | |
7324 | sband->ht_cap.mcs.rx_mask, | |
7325 | sizeof(mask.control[i].mcs)); | |
7326 | else | |
7327 | memset(mask.control[i].mcs, 0, | |
7328 | sizeof(mask.control[i].mcs)); | |
13ae75b1 JM |
7329 | } |
7330 | ||
7331 | /* | |
7332 | * The nested attribute uses enum nl80211_band as the index. This maps | |
7333 | * directly to the enum ieee80211_band values used in cfg80211. | |
7334 | */ | |
24db78c0 | 7335 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
13ae75b1 JM |
7336 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) |
7337 | { | |
7338 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
7339 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
7340 | return -EINVAL; | |
13ae75b1 | 7341 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
7342 | if (sband == NULL) |
7343 | return -EINVAL; | |
13ae75b1 JM |
7344 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
7345 | nla_len(tx_rates), nl80211_txattr_policy); | |
7346 | if (tb[NL80211_TXRATE_LEGACY]) { | |
7347 | mask.control[band].legacy = rateset_to_mask( | |
7348 | sband, | |
7349 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
7350 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
7351 | if ((mask.control[band].legacy == 0) && |
7352 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
7353 | return -EINVAL; | |
24db78c0 SW |
7354 | } |
7355 | if (tb[NL80211_TXRATE_MCS]) { | |
7356 | if (!ht_rateset_to_mask( | |
7357 | sband, | |
7358 | nla_data(tb[NL80211_TXRATE_MCS]), | |
7359 | nla_len(tb[NL80211_TXRATE_MCS]), | |
7360 | mask.control[band].mcs)) | |
7361 | return -EINVAL; | |
7362 | } | |
7363 | ||
7364 | if (mask.control[band].legacy == 0) { | |
7365 | /* don't allow empty legacy rates if HT | |
7366 | * is not even supported. */ | |
7367 | if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) | |
7368 | return -EINVAL; | |
7369 | ||
7370 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
7371 | if (mask.control[band].mcs[i]) | |
7372 | break; | |
7373 | ||
7374 | /* legacy and mcs rates may not be both empty */ | |
7375 | if (i == IEEE80211_HT_MCS_MASK_LEN) | |
4c476991 | 7376 | return -EINVAL; |
13ae75b1 JM |
7377 | } |
7378 | } | |
7379 | ||
e35e4d28 | 7380 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
7381 | } |
7382 | ||
2e161f78 | 7383 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7384 | { |
4c476991 | 7385 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7386 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 7387 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
7388 | |
7389 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
7390 | return -EINVAL; | |
7391 | ||
2e161f78 JB |
7392 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
7393 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 7394 | |
71bbc994 JB |
7395 | switch (wdev->iftype) { |
7396 | case NL80211_IFTYPE_STATION: | |
7397 | case NL80211_IFTYPE_ADHOC: | |
7398 | case NL80211_IFTYPE_P2P_CLIENT: | |
7399 | case NL80211_IFTYPE_AP: | |
7400 | case NL80211_IFTYPE_AP_VLAN: | |
7401 | case NL80211_IFTYPE_MESH_POINT: | |
7402 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7403 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7404 | break; |
7405 | default: | |
4c476991 | 7406 | return -EOPNOTSUPP; |
71bbc994 | 7407 | } |
026331c4 JM |
7408 | |
7409 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
7410 | if (!rdev->ops->mgmt_tx) |
7411 | return -EOPNOTSUPP; | |
026331c4 | 7412 | |
15e47304 | 7413 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
7414 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
7415 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
7416 | } |
7417 | ||
2e161f78 | 7418 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7419 | { |
4c476991 | 7420 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7421 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7422 | struct cfg80211_chan_def chandef; |
026331c4 | 7423 | int err; |
d64d373f | 7424 | void *hdr = NULL; |
026331c4 | 7425 | u64 cookie; |
e247bd90 | 7426 | struct sk_buff *msg = NULL; |
f7ca38df | 7427 | unsigned int wait = 0; |
e247bd90 JB |
7428 | bool offchan, no_cck, dont_wait_for_ack; |
7429 | ||
7430 | dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; | |
026331c4 | 7431 | |
683b6d3b | 7432 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
7433 | return -EINVAL; |
7434 | ||
4c476991 JB |
7435 | if (!rdev->ops->mgmt_tx) |
7436 | return -EOPNOTSUPP; | |
026331c4 | 7437 | |
71bbc994 | 7438 | switch (wdev->iftype) { |
ea141b75 AQ |
7439 | case NL80211_IFTYPE_P2P_DEVICE: |
7440 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7441 | return -EINVAL; | |
71bbc994 JB |
7442 | case NL80211_IFTYPE_STATION: |
7443 | case NL80211_IFTYPE_ADHOC: | |
7444 | case NL80211_IFTYPE_P2P_CLIENT: | |
7445 | case NL80211_IFTYPE_AP: | |
7446 | case NL80211_IFTYPE_AP_VLAN: | |
7447 | case NL80211_IFTYPE_MESH_POINT: | |
7448 | case NL80211_IFTYPE_P2P_GO: | |
7449 | break; | |
7450 | default: | |
4c476991 | 7451 | return -EOPNOTSUPP; |
71bbc994 | 7452 | } |
026331c4 | 7453 | |
f7ca38df | 7454 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 7455 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df JB |
7456 | return -EINVAL; |
7457 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
ebf348fc JB |
7458 | |
7459 | /* | |
7460 | * We should wait on the channel for at least a minimum amount | |
7461 | * of time (10ms) but no longer than the driver supports. | |
7462 | */ | |
7463 | if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || | |
7464 | wait > rdev->wiphy.max_remain_on_channel_duration) | |
7465 | return -EINVAL; | |
7466 | ||
f7ca38df JB |
7467 | } |
7468 | ||
f7ca38df JB |
7469 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
7470 | ||
7c4ef712 JB |
7471 | if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7472 | return -EINVAL; | |
7473 | ||
e9f935e3 RM |
7474 | no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
7475 | ||
ea141b75 AQ |
7476 | /* get the channel if any has been specified, otherwise pass NULL to |
7477 | * the driver. The latter will use the current one | |
7478 | */ | |
7479 | chandef.chan = NULL; | |
7480 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
7481 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
7482 | if (err) | |
7483 | return err; | |
7484 | } | |
7485 | ||
7486 | if (!chandef.chan && offchan) | |
7487 | return -EINVAL; | |
026331c4 | 7488 | |
e247bd90 JB |
7489 | if (!dont_wait_for_ack) { |
7490 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
7491 | if (!msg) | |
7492 | return -ENOMEM; | |
026331c4 | 7493 | |
15e47304 | 7494 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 7495 | NL80211_CMD_FRAME); |
cb35fba3 DC |
7496 | if (!hdr) { |
7497 | err = -ENOBUFS; | |
e247bd90 JB |
7498 | goto free_msg; |
7499 | } | |
026331c4 | 7500 | } |
e247bd90 | 7501 | |
683b6d3b | 7502 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait, |
2e161f78 JB |
7503 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
7504 | nla_len(info->attrs[NL80211_ATTR_FRAME]), | |
e247bd90 | 7505 | no_cck, dont_wait_for_ack, &cookie); |
026331c4 JM |
7506 | if (err) |
7507 | goto free_msg; | |
7508 | ||
e247bd90 | 7509 | if (msg) { |
9360ffd1 DM |
7510 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7511 | goto nla_put_failure; | |
026331c4 | 7512 | |
e247bd90 JB |
7513 | genlmsg_end(msg, hdr); |
7514 | return genlmsg_reply(msg, info); | |
7515 | } | |
7516 | ||
7517 | return 0; | |
026331c4 JM |
7518 | |
7519 | nla_put_failure: | |
7520 | err = -ENOBUFS; | |
7521 | free_msg: | |
7522 | nlmsg_free(msg); | |
026331c4 JM |
7523 | return err; |
7524 | } | |
7525 | ||
f7ca38df JB |
7526 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
7527 | { | |
7528 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 7529 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
7530 | u64 cookie; |
7531 | ||
7532 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7533 | return -EINVAL; | |
7534 | ||
7535 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
7536 | return -EOPNOTSUPP; | |
7537 | ||
71bbc994 JB |
7538 | switch (wdev->iftype) { |
7539 | case NL80211_IFTYPE_STATION: | |
7540 | case NL80211_IFTYPE_ADHOC: | |
7541 | case NL80211_IFTYPE_P2P_CLIENT: | |
7542 | case NL80211_IFTYPE_AP: | |
7543 | case NL80211_IFTYPE_AP_VLAN: | |
7544 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7545 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7546 | break; |
7547 | default: | |
f7ca38df | 7548 | return -EOPNOTSUPP; |
71bbc994 | 7549 | } |
f7ca38df JB |
7550 | |
7551 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7552 | ||
e35e4d28 | 7553 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
7554 | } |
7555 | ||
ffb9eb3d KV |
7556 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
7557 | { | |
4c476991 | 7558 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 7559 | struct wireless_dev *wdev; |
4c476991 | 7560 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7561 | u8 ps_state; |
7562 | bool state; | |
7563 | int err; | |
7564 | ||
4c476991 JB |
7565 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
7566 | return -EINVAL; | |
ffb9eb3d KV |
7567 | |
7568 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
7569 | ||
4c476991 JB |
7570 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
7571 | return -EINVAL; | |
ffb9eb3d KV |
7572 | |
7573 | wdev = dev->ieee80211_ptr; | |
7574 | ||
4c476991 JB |
7575 | if (!rdev->ops->set_power_mgmt) |
7576 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7577 | |
7578 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
7579 | ||
7580 | if (state == wdev->ps) | |
4c476991 | 7581 | return 0; |
ffb9eb3d | 7582 | |
e35e4d28 | 7583 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
7584 | if (!err) |
7585 | wdev->ps = state; | |
ffb9eb3d KV |
7586 | return err; |
7587 | } | |
7588 | ||
7589 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
7590 | { | |
4c476991 | 7591 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
7592 | enum nl80211_ps_state ps_state; |
7593 | struct wireless_dev *wdev; | |
4c476991 | 7594 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7595 | struct sk_buff *msg; |
7596 | void *hdr; | |
7597 | int err; | |
7598 | ||
ffb9eb3d KV |
7599 | wdev = dev->ieee80211_ptr; |
7600 | ||
4c476991 JB |
7601 | if (!rdev->ops->set_power_mgmt) |
7602 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7603 | |
7604 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7605 | if (!msg) |
7606 | return -ENOMEM; | |
ffb9eb3d | 7607 | |
15e47304 | 7608 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
7609 | NL80211_CMD_GET_POWER_SAVE); |
7610 | if (!hdr) { | |
4c476991 | 7611 | err = -ENOBUFS; |
ffb9eb3d KV |
7612 | goto free_msg; |
7613 | } | |
7614 | ||
7615 | if (wdev->ps) | |
7616 | ps_state = NL80211_PS_ENABLED; | |
7617 | else | |
7618 | ps_state = NL80211_PS_DISABLED; | |
7619 | ||
9360ffd1 DM |
7620 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
7621 | goto nla_put_failure; | |
ffb9eb3d KV |
7622 | |
7623 | genlmsg_end(msg, hdr); | |
4c476991 | 7624 | return genlmsg_reply(msg, info); |
ffb9eb3d | 7625 | |
4c476991 | 7626 | nla_put_failure: |
ffb9eb3d | 7627 | err = -ENOBUFS; |
4c476991 | 7628 | free_msg: |
ffb9eb3d | 7629 | nlmsg_free(msg); |
ffb9eb3d KV |
7630 | return err; |
7631 | } | |
7632 | ||
d6dc1a38 JO |
7633 | static struct nla_policy |
7634 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
7635 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
7636 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
7637 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
7638 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
7639 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
7640 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
7641 | }; |
7642 | ||
84f10708 | 7643 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 7644 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
7645 | { |
7646 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 7647 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7648 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 7649 | |
d9d8b019 | 7650 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
7651 | return -EINVAL; |
7652 | ||
84f10708 TP |
7653 | if (!rdev->ops->set_cqm_txe_config) |
7654 | return -EOPNOTSUPP; | |
7655 | ||
7656 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
7657 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
7658 | return -EOPNOTSUPP; | |
7659 | ||
e35e4d28 | 7660 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
7661 | } |
7662 | ||
d6dc1a38 JO |
7663 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
7664 | s32 threshold, u32 hysteresis) | |
7665 | { | |
4c476991 | 7666 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 7667 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7668 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
7669 | |
7670 | if (threshold > 0) | |
7671 | return -EINVAL; | |
7672 | ||
1da5fcc8 JB |
7673 | /* disabling - hysteresis should also be zero then */ |
7674 | if (threshold == 0) | |
7675 | hysteresis = 0; | |
d6dc1a38 | 7676 | |
4c476991 JB |
7677 | if (!rdev->ops->set_cqm_rssi_config) |
7678 | return -EOPNOTSUPP; | |
d6dc1a38 | 7679 | |
074ac8df | 7680 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7681 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7682 | return -EOPNOTSUPP; | |
d6dc1a38 | 7683 | |
e35e4d28 | 7684 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
7685 | } |
7686 | ||
7687 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
7688 | { | |
7689 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
7690 | struct nlattr *cqm; | |
7691 | int err; | |
7692 | ||
7693 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
7694 | if (!cqm) |
7695 | return -EINVAL; | |
d6dc1a38 JO |
7696 | |
7697 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
7698 | nl80211_attr_cqm_policy); | |
7699 | if (err) | |
1da5fcc8 | 7700 | return err; |
d6dc1a38 JO |
7701 | |
7702 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
7703 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
7704 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
7705 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 7706 | |
1da5fcc8 JB |
7707 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
7708 | } | |
7709 | ||
7710 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
7711 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
7712 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
7713 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
7714 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
7715 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
7716 | ||
7717 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
7718 | } | |
7719 | ||
7720 | return -EINVAL; | |
d6dc1a38 JO |
7721 | } |
7722 | ||
29cbe68c JB |
7723 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
7724 | { | |
7725 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7726 | struct net_device *dev = info->user_ptr[1]; | |
7727 | struct mesh_config cfg; | |
c80d545d | 7728 | struct mesh_setup setup; |
29cbe68c JB |
7729 | int err; |
7730 | ||
7731 | /* start with default */ | |
7732 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 7733 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 7734 | |
24bdd9f4 | 7735 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 7736 | /* and parse parameters if given */ |
24bdd9f4 | 7737 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
7738 | if (err) |
7739 | return err; | |
7740 | } | |
7741 | ||
7742 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
7743 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
7744 | return -EINVAL; | |
7745 | ||
c80d545d JC |
7746 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
7747 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
7748 | ||
4bb62344 CYY |
7749 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
7750 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
7751 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
7752 | return -EINVAL; | |
7753 | ||
9bdbf04d MP |
7754 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
7755 | setup.beacon_interval = | |
7756 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
7757 | if (setup.beacon_interval < 10 || | |
7758 | setup.beacon_interval > 10000) | |
7759 | return -EINVAL; | |
7760 | } | |
7761 | ||
7762 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
7763 | setup.dtim_period = | |
7764 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
7765 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
7766 | return -EINVAL; | |
7767 | } | |
7768 | ||
c80d545d JC |
7769 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
7770 | /* parse additional setup parameters if given */ | |
7771 | err = nl80211_parse_mesh_setup(info, &setup); | |
7772 | if (err) | |
7773 | return err; | |
7774 | } | |
7775 | ||
d37bb18a TP |
7776 | if (setup.user_mpm) |
7777 | cfg.auto_open_plinks = false; | |
7778 | ||
cc1d2806 | 7779 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
7780 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
7781 | if (err) | |
7782 | return err; | |
cc1d2806 JB |
7783 | } else { |
7784 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 7785 | setup.chandef.chan = NULL; |
cc1d2806 JB |
7786 | } |
7787 | ||
ffb3cf30 AN |
7788 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
7789 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7790 | int n_rates = | |
7791 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7792 | struct ieee80211_supported_band *sband; | |
7793 | ||
7794 | if (!setup.chandef.chan) | |
7795 | return -EINVAL; | |
7796 | ||
7797 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
7798 | ||
7799 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
7800 | &setup.basic_rates); | |
7801 | if (err) | |
7802 | return err; | |
7803 | } | |
7804 | ||
c80d545d | 7805 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
7806 | } |
7807 | ||
7808 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
7809 | { | |
7810 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7811 | struct net_device *dev = info->user_ptr[1]; | |
7812 | ||
7813 | return cfg80211_leave_mesh(rdev, dev); | |
7814 | } | |
7815 | ||
dfb89c56 | 7816 | #ifdef CONFIG_PM |
bb92d199 AK |
7817 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
7818 | struct cfg80211_registered_device *rdev) | |
7819 | { | |
6abb9cb9 | 7820 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
7821 | struct nlattr *nl_pats, *nl_pat; |
7822 | int i, pat_len; | |
7823 | ||
6abb9cb9 | 7824 | if (!wowlan->n_patterns) |
bb92d199 AK |
7825 | return 0; |
7826 | ||
7827 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
7828 | if (!nl_pats) | |
7829 | return -ENOBUFS; | |
7830 | ||
6abb9cb9 | 7831 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
7832 | nl_pat = nla_nest_start(msg, i + 1); |
7833 | if (!nl_pat) | |
7834 | return -ENOBUFS; | |
6abb9cb9 | 7835 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 7836 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 7837 | wowlan->patterns[i].mask) || |
50ac6607 AK |
7838 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
7839 | wowlan->patterns[i].pattern) || | |
7840 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 7841 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
7842 | return -ENOBUFS; |
7843 | nla_nest_end(msg, nl_pat); | |
7844 | } | |
7845 | nla_nest_end(msg, nl_pats); | |
7846 | ||
7847 | return 0; | |
7848 | } | |
7849 | ||
2a0e047e JB |
7850 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
7851 | struct cfg80211_wowlan_tcp *tcp) | |
7852 | { | |
7853 | struct nlattr *nl_tcp; | |
7854 | ||
7855 | if (!tcp) | |
7856 | return 0; | |
7857 | ||
7858 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
7859 | if (!nl_tcp) | |
7860 | return -ENOBUFS; | |
7861 | ||
7862 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
7863 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
7864 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
7865 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
7866 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
7867 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
7868 | tcp->payload_len, tcp->payload) || | |
7869 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
7870 | tcp->data_interval) || | |
7871 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
7872 | tcp->wake_len, tcp->wake_data) || | |
7873 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
7874 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
7875 | return -ENOBUFS; | |
7876 | ||
7877 | if (tcp->payload_seq.len && | |
7878 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
7879 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
7880 | return -ENOBUFS; | |
7881 | ||
7882 | if (tcp->payload_tok.len && | |
7883 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
7884 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
7885 | &tcp->payload_tok)) | |
7886 | return -ENOBUFS; | |
7887 | ||
e248ad30 JB |
7888 | nla_nest_end(msg, nl_tcp); |
7889 | ||
2a0e047e JB |
7890 | return 0; |
7891 | } | |
7892 | ||
ff1b6e69 JB |
7893 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
7894 | { | |
7895 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7896 | struct sk_buff *msg; | |
7897 | void *hdr; | |
2a0e047e | 7898 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 7899 | |
964dc9e2 | 7900 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
7901 | return -EOPNOTSUPP; |
7902 | ||
6abb9cb9 | 7903 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 7904 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
7905 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
7906 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
7907 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
7908 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
7909 | } |
7910 | ||
7911 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
7912 | if (!msg) |
7913 | return -ENOMEM; | |
7914 | ||
15e47304 | 7915 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
7916 | NL80211_CMD_GET_WOWLAN); |
7917 | if (!hdr) | |
7918 | goto nla_put_failure; | |
7919 | ||
6abb9cb9 | 7920 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
7921 | struct nlattr *nl_wowlan; |
7922 | ||
7923 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7924 | if (!nl_wowlan) | |
7925 | goto nla_put_failure; | |
7926 | ||
6abb9cb9 | 7927 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 7928 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 7929 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 7930 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 7931 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 7932 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 7933 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 7934 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 7935 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 7936 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 7937 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 7938 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 7939 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
7940 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
7941 | goto nla_put_failure; | |
2a0e047e | 7942 | |
bb92d199 AK |
7943 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
7944 | goto nla_put_failure; | |
2a0e047e | 7945 | |
6abb9cb9 JB |
7946 | if (nl80211_send_wowlan_tcp(msg, |
7947 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e JB |
7948 | goto nla_put_failure; |
7949 | ||
ff1b6e69 JB |
7950 | nla_nest_end(msg, nl_wowlan); |
7951 | } | |
7952 | ||
7953 | genlmsg_end(msg, hdr); | |
7954 | return genlmsg_reply(msg, info); | |
7955 | ||
7956 | nla_put_failure: | |
7957 | nlmsg_free(msg); | |
7958 | return -ENOBUFS; | |
7959 | } | |
7960 | ||
2a0e047e JB |
7961 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
7962 | struct nlattr *attr, | |
7963 | struct cfg80211_wowlan *trig) | |
7964 | { | |
7965 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
7966 | struct cfg80211_wowlan_tcp *cfg; | |
7967 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
7968 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
7969 | u32 size; | |
7970 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
7971 | int err, port; | |
7972 | ||
964dc9e2 | 7973 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
7974 | return -EINVAL; |
7975 | ||
7976 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
7977 | nla_data(attr), nla_len(attr), | |
7978 | nl80211_wowlan_tcp_policy); | |
7979 | if (err) | |
7980 | return err; | |
7981 | ||
7982 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
7983 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
7984 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
7985 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
7986 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
7987 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
7988 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
7989 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
7990 | return -EINVAL; | |
7991 | ||
7992 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 7993 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
7994 | return -EINVAL; |
7995 | ||
7996 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 7997 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 7998 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
7999 | return -EINVAL; |
8000 | ||
8001 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 8002 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
8003 | return -EINVAL; |
8004 | ||
8005 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
8006 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
8007 | return -EINVAL; | |
8008 | ||
8009 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
8010 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8011 | ||
8012 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8013 | tokens_size = tokln - sizeof(*tok); | |
8014 | ||
8015 | if (!tok->len || tokens_size % tok->len) | |
8016 | return -EINVAL; | |
964dc9e2 | 8017 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 8018 | return -EINVAL; |
964dc9e2 | 8019 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 8020 | return -EINVAL; |
964dc9e2 | 8021 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 8022 | return -EINVAL; |
964dc9e2 | 8023 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
8024 | return -EINVAL; |
8025 | if (tok->offset + tok->len > data_size) | |
8026 | return -EINVAL; | |
8027 | } | |
8028 | ||
8029 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
8030 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 8031 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
8032 | return -EINVAL; |
8033 | if (seq->len == 0 || seq->len > 4) | |
8034 | return -EINVAL; | |
8035 | if (seq->len + seq->offset > data_size) | |
8036 | return -EINVAL; | |
8037 | } | |
8038 | ||
8039 | size = sizeof(*cfg); | |
8040 | size += data_size; | |
8041 | size += wake_size + wake_mask_size; | |
8042 | size += tokens_size; | |
8043 | ||
8044 | cfg = kzalloc(size, GFP_KERNEL); | |
8045 | if (!cfg) | |
8046 | return -ENOMEM; | |
8047 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
8048 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
8049 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
8050 | ETH_ALEN); | |
8051 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
8052 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
8053 | else | |
8054 | port = 0; | |
8055 | #ifdef CONFIG_INET | |
8056 | /* allocate a socket and port for it and use it */ | |
8057 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
8058 | IPPROTO_TCP, &cfg->sock, 1); | |
8059 | if (err) { | |
8060 | kfree(cfg); | |
8061 | return err; | |
8062 | } | |
8063 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
8064 | sock_release(cfg->sock); | |
8065 | kfree(cfg); | |
8066 | return -EADDRINUSE; | |
8067 | } | |
8068 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
8069 | #else | |
8070 | if (!port) { | |
8071 | kfree(cfg); | |
8072 | return -EINVAL; | |
8073 | } | |
8074 | cfg->src_port = port; | |
8075 | #endif | |
8076 | ||
8077 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
8078 | cfg->payload_len = data_size; | |
8079 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
8080 | memcpy((void *)cfg->payload, | |
8081 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
8082 | data_size); | |
8083 | if (seq) | |
8084 | cfg->payload_seq = *seq; | |
8085 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
8086 | cfg->wake_len = wake_size; | |
8087 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
8088 | memcpy((void *)cfg->wake_data, | |
8089 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
8090 | wake_size); | |
8091 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
8092 | data_size + wake_size; | |
8093 | memcpy((void *)cfg->wake_mask, | |
8094 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
8095 | wake_mask_size); | |
8096 | if (tok) { | |
8097 | cfg->tokens_size = tokens_size; | |
8098 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
8099 | } | |
8100 | ||
8101 | trig->tcp = cfg; | |
8102 | ||
8103 | return 0; | |
8104 | } | |
8105 | ||
ff1b6e69 JB |
8106 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
8107 | { | |
8108 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8109 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 8110 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 8111 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 8112 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 8113 | int err, i; |
6abb9cb9 | 8114 | bool prev_enabled = rdev->wiphy.wowlan_config; |
ff1b6e69 | 8115 | |
964dc9e2 | 8116 | if (!wowlan) |
ff1b6e69 JB |
8117 | return -EOPNOTSUPP; |
8118 | ||
ae33bd81 JB |
8119 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
8120 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 8121 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
8122 | goto set_wakeup; |
8123 | } | |
ff1b6e69 JB |
8124 | |
8125 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
8126 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8127 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8128 | nl80211_wowlan_policy); | |
8129 | if (err) | |
8130 | return err; | |
8131 | ||
8132 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
8133 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
8134 | return -EINVAL; | |
8135 | new_triggers.any = true; | |
8136 | } | |
8137 | ||
8138 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
8139 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
8140 | return -EINVAL; | |
8141 | new_triggers.disconnect = true; | |
8142 | } | |
8143 | ||
8144 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
8145 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
8146 | return -EINVAL; | |
8147 | new_triggers.magic_pkt = true; | |
8148 | } | |
8149 | ||
77dbbb13 JB |
8150 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
8151 | return -EINVAL; | |
8152 | ||
8153 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
8154 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
8155 | return -EINVAL; | |
8156 | new_triggers.gtk_rekey_failure = true; | |
8157 | } | |
8158 | ||
8159 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
8160 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
8161 | return -EINVAL; | |
8162 | new_triggers.eap_identity_req = true; | |
8163 | } | |
8164 | ||
8165 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
8166 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
8167 | return -EINVAL; | |
8168 | new_triggers.four_way_handshake = true; | |
8169 | } | |
8170 | ||
8171 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
8172 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
8173 | return -EINVAL; | |
8174 | new_triggers.rfkill_release = true; | |
8175 | } | |
8176 | ||
ff1b6e69 JB |
8177 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
8178 | struct nlattr *pat; | |
8179 | int n_patterns = 0; | |
bb92d199 | 8180 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 8181 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 JB |
8182 | |
8183 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8184 | rem) | |
8185 | n_patterns++; | |
8186 | if (n_patterns > wowlan->n_patterns) | |
8187 | return -EINVAL; | |
8188 | ||
8189 | new_triggers.patterns = kcalloc(n_patterns, | |
8190 | sizeof(new_triggers.patterns[0]), | |
8191 | GFP_KERNEL); | |
8192 | if (!new_triggers.patterns) | |
8193 | return -ENOMEM; | |
8194 | ||
8195 | new_triggers.n_patterns = n_patterns; | |
8196 | i = 0; | |
8197 | ||
8198 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8199 | rem) { | |
50ac6607 AK |
8200 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8201 | nla_len(pat), NULL); | |
ff1b6e69 | 8202 | err = -EINVAL; |
50ac6607 AK |
8203 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
8204 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 8205 | goto error; |
50ac6607 | 8206 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 8207 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 8208 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
8209 | goto error; |
8210 | if (pat_len > wowlan->pattern_max_len || | |
8211 | pat_len < wowlan->pattern_min_len) | |
8212 | goto error; | |
8213 | ||
50ac6607 | 8214 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
8215 | pkt_offset = 0; |
8216 | else | |
8217 | pkt_offset = nla_get_u32( | |
50ac6607 | 8218 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
8219 | if (pkt_offset > wowlan->max_pkt_offset) |
8220 | goto error; | |
8221 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
8222 | ||
ff1b6e69 JB |
8223 | new_triggers.patterns[i].mask = |
8224 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8225 | if (!new_triggers.patterns[i].mask) { | |
8226 | err = -ENOMEM; | |
8227 | goto error; | |
8228 | } | |
8229 | new_triggers.patterns[i].pattern = | |
8230 | new_triggers.patterns[i].mask + mask_len; | |
8231 | memcpy(new_triggers.patterns[i].mask, | |
50ac6607 | 8232 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), |
ff1b6e69 JB |
8233 | mask_len); |
8234 | new_triggers.patterns[i].pattern_len = pat_len; | |
8235 | memcpy(new_triggers.patterns[i].pattern, | |
50ac6607 | 8236 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
8237 | pat_len); |
8238 | i++; | |
8239 | } | |
8240 | } | |
8241 | ||
2a0e047e JB |
8242 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
8243 | err = nl80211_parse_wowlan_tcp( | |
8244 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
8245 | &new_triggers); | |
8246 | if (err) | |
8247 | goto error; | |
8248 | } | |
8249 | ||
ae33bd81 JB |
8250 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
8251 | if (!ntrig) { | |
8252 | err = -ENOMEM; | |
8253 | goto error; | |
ff1b6e69 | 8254 | } |
ae33bd81 | 8255 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 8256 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 8257 | |
ae33bd81 | 8258 | set_wakeup: |
6abb9cb9 JB |
8259 | if (rdev->ops->set_wakeup && |
8260 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
8261 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 8262 | |
ff1b6e69 JB |
8263 | return 0; |
8264 | error: | |
8265 | for (i = 0; i < new_triggers.n_patterns; i++) | |
8266 | kfree(new_triggers.patterns[i].mask); | |
8267 | kfree(new_triggers.patterns); | |
2a0e047e JB |
8268 | if (new_triggers.tcp && new_triggers.tcp->sock) |
8269 | sock_release(new_triggers.tcp->sock); | |
8270 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
8271 | return err; |
8272 | } | |
dfb89c56 | 8273 | #endif |
ff1b6e69 | 8274 | |
be29b99a AK |
8275 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
8276 | struct cfg80211_registered_device *rdev) | |
8277 | { | |
8278 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
8279 | int i, j, pat_len; | |
8280 | struct cfg80211_coalesce_rules *rule; | |
8281 | ||
8282 | if (!rdev->coalesce->n_rules) | |
8283 | return 0; | |
8284 | ||
8285 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
8286 | if (!nl_rules) | |
8287 | return -ENOBUFS; | |
8288 | ||
8289 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
8290 | nl_rule = nla_nest_start(msg, i + 1); | |
8291 | if (!nl_rule) | |
8292 | return -ENOBUFS; | |
8293 | ||
8294 | rule = &rdev->coalesce->rules[i]; | |
8295 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
8296 | rule->delay)) | |
8297 | return -ENOBUFS; | |
8298 | ||
8299 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
8300 | rule->condition)) | |
8301 | return -ENOBUFS; | |
8302 | ||
8303 | nl_pats = nla_nest_start(msg, | |
8304 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
8305 | if (!nl_pats) | |
8306 | return -ENOBUFS; | |
8307 | ||
8308 | for (j = 0; j < rule->n_patterns; j++) { | |
8309 | nl_pat = nla_nest_start(msg, j + 1); | |
8310 | if (!nl_pat) | |
8311 | return -ENOBUFS; | |
8312 | pat_len = rule->patterns[j].pattern_len; | |
8313 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
8314 | DIV_ROUND_UP(pat_len, 8), | |
8315 | rule->patterns[j].mask) || | |
8316 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
8317 | rule->patterns[j].pattern) || | |
8318 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
8319 | rule->patterns[j].pkt_offset)) | |
8320 | return -ENOBUFS; | |
8321 | nla_nest_end(msg, nl_pat); | |
8322 | } | |
8323 | nla_nest_end(msg, nl_pats); | |
8324 | nla_nest_end(msg, nl_rule); | |
8325 | } | |
8326 | nla_nest_end(msg, nl_rules); | |
8327 | ||
8328 | return 0; | |
8329 | } | |
8330 | ||
8331 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8332 | { | |
8333 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8334 | struct sk_buff *msg; | |
8335 | void *hdr; | |
8336 | ||
8337 | if (!rdev->wiphy.coalesce) | |
8338 | return -EOPNOTSUPP; | |
8339 | ||
8340 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8341 | if (!msg) | |
8342 | return -ENOMEM; | |
8343 | ||
8344 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8345 | NL80211_CMD_GET_COALESCE); | |
8346 | if (!hdr) | |
8347 | goto nla_put_failure; | |
8348 | ||
8349 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
8350 | goto nla_put_failure; | |
8351 | ||
8352 | genlmsg_end(msg, hdr); | |
8353 | return genlmsg_reply(msg, info); | |
8354 | ||
8355 | nla_put_failure: | |
8356 | nlmsg_free(msg); | |
8357 | return -ENOBUFS; | |
8358 | } | |
8359 | ||
8360 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
8361 | { | |
8362 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
8363 | int i, j; | |
8364 | struct cfg80211_coalesce_rules *rule; | |
8365 | ||
8366 | if (!coalesce) | |
8367 | return; | |
8368 | ||
8369 | for (i = 0; i < coalesce->n_rules; i++) { | |
8370 | rule = &coalesce->rules[i]; | |
8371 | for (j = 0; j < rule->n_patterns; j++) | |
8372 | kfree(rule->patterns[j].mask); | |
8373 | kfree(rule->patterns); | |
8374 | } | |
8375 | kfree(coalesce->rules); | |
8376 | kfree(coalesce); | |
8377 | rdev->coalesce = NULL; | |
8378 | } | |
8379 | ||
8380 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
8381 | struct nlattr *rule, | |
8382 | struct cfg80211_coalesce_rules *new_rule) | |
8383 | { | |
8384 | int err, i; | |
8385 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8386 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
8387 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
8388 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
8389 | ||
8390 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
8391 | nla_len(rule), nl80211_coalesce_policy); | |
8392 | if (err) | |
8393 | return err; | |
8394 | ||
8395 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
8396 | new_rule->delay = | |
8397 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
8398 | if (new_rule->delay > coalesce->max_delay) | |
8399 | return -EINVAL; | |
8400 | ||
8401 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
8402 | new_rule->condition = | |
8403 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
8404 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
8405 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
8406 | return -EINVAL; | |
8407 | ||
8408 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
8409 | return -EINVAL; | |
8410 | ||
8411 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8412 | rem) | |
8413 | n_patterns++; | |
8414 | if (n_patterns > coalesce->n_patterns) | |
8415 | return -EINVAL; | |
8416 | ||
8417 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
8418 | GFP_KERNEL); | |
8419 | if (!new_rule->patterns) | |
8420 | return -ENOMEM; | |
8421 | ||
8422 | new_rule->n_patterns = n_patterns; | |
8423 | i = 0; | |
8424 | ||
8425 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8426 | rem) { | |
8427 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), | |
8428 | nla_len(pat), NULL); | |
8429 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
8430 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
8431 | return -EINVAL; | |
8432 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
8433 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
8434 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
8435 | return -EINVAL; | |
8436 | if (pat_len > coalesce->pattern_max_len || | |
8437 | pat_len < coalesce->pattern_min_len) | |
8438 | return -EINVAL; | |
8439 | ||
8440 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
8441 | pkt_offset = 0; | |
8442 | else | |
8443 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
8444 | if (pkt_offset > coalesce->max_pkt_offset) | |
8445 | return -EINVAL; | |
8446 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
8447 | ||
8448 | new_rule->patterns[i].mask = | |
8449 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8450 | if (!new_rule->patterns[i].mask) | |
8451 | return -ENOMEM; | |
8452 | new_rule->patterns[i].pattern = | |
8453 | new_rule->patterns[i].mask + mask_len; | |
8454 | memcpy(new_rule->patterns[i].mask, | |
8455 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len); | |
8456 | new_rule->patterns[i].pattern_len = pat_len; | |
8457 | memcpy(new_rule->patterns[i].pattern, | |
8458 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len); | |
8459 | i++; | |
8460 | } | |
8461 | ||
8462 | return 0; | |
8463 | } | |
8464 | ||
8465 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8466 | { | |
8467 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8468 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8469 | struct cfg80211_coalesce new_coalesce = {}; | |
8470 | struct cfg80211_coalesce *n_coalesce; | |
8471 | int err, rem_rule, n_rules = 0, i, j; | |
8472 | struct nlattr *rule; | |
8473 | struct cfg80211_coalesce_rules *tmp_rule; | |
8474 | ||
8475 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
8476 | return -EOPNOTSUPP; | |
8477 | ||
8478 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
8479 | cfg80211_rdev_free_coalesce(rdev); | |
8480 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
8481 | return 0; | |
8482 | } | |
8483 | ||
8484 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8485 | rem_rule) | |
8486 | n_rules++; | |
8487 | if (n_rules > coalesce->n_rules) | |
8488 | return -EINVAL; | |
8489 | ||
8490 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
8491 | GFP_KERNEL); | |
8492 | if (!new_coalesce.rules) | |
8493 | return -ENOMEM; | |
8494 | ||
8495 | new_coalesce.n_rules = n_rules; | |
8496 | i = 0; | |
8497 | ||
8498 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8499 | rem_rule) { | |
8500 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
8501 | &new_coalesce.rules[i]); | |
8502 | if (err) | |
8503 | goto error; | |
8504 | ||
8505 | i++; | |
8506 | } | |
8507 | ||
8508 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
8509 | if (err) | |
8510 | goto error; | |
8511 | ||
8512 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
8513 | if (!n_coalesce) { | |
8514 | err = -ENOMEM; | |
8515 | goto error; | |
8516 | } | |
8517 | cfg80211_rdev_free_coalesce(rdev); | |
8518 | rdev->coalesce = n_coalesce; | |
8519 | ||
8520 | return 0; | |
8521 | error: | |
8522 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
8523 | tmp_rule = &new_coalesce.rules[i]; | |
8524 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
8525 | kfree(tmp_rule->patterns[j].mask); | |
8526 | kfree(tmp_rule->patterns); | |
8527 | } | |
8528 | kfree(new_coalesce.rules); | |
8529 | ||
8530 | return err; | |
8531 | } | |
8532 | ||
e5497d76 JB |
8533 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
8534 | { | |
8535 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8536 | struct net_device *dev = info->user_ptr[1]; | |
8537 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8538 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
8539 | struct cfg80211_gtk_rekey_data rekey_data; | |
8540 | int err; | |
8541 | ||
8542 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
8543 | return -EINVAL; | |
8544 | ||
8545 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
8546 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8547 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8548 | nl80211_rekey_policy); | |
8549 | if (err) | |
8550 | return err; | |
8551 | ||
8552 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
8553 | return -ERANGE; | |
8554 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
8555 | return -ERANGE; | |
8556 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
8557 | return -ERANGE; | |
8558 | ||
8559 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
8560 | NL80211_KEK_LEN); | |
8561 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
8562 | NL80211_KCK_LEN); | |
8563 | memcpy(rekey_data.replay_ctr, | |
8564 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
8565 | NL80211_REPLAY_CTR_LEN); | |
8566 | ||
8567 | wdev_lock(wdev); | |
8568 | if (!wdev->current_bss) { | |
8569 | err = -ENOTCONN; | |
8570 | goto out; | |
8571 | } | |
8572 | ||
8573 | if (!rdev->ops->set_rekey_data) { | |
8574 | err = -EOPNOTSUPP; | |
8575 | goto out; | |
8576 | } | |
8577 | ||
e35e4d28 | 8578 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
8579 | out: |
8580 | wdev_unlock(wdev); | |
8581 | return err; | |
8582 | } | |
8583 | ||
28946da7 JB |
8584 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
8585 | struct genl_info *info) | |
8586 | { | |
8587 | struct net_device *dev = info->user_ptr[1]; | |
8588 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8589 | ||
8590 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8591 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8592 | return -EINVAL; | |
8593 | ||
15e47304 | 8594 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
8595 | return -EBUSY; |
8596 | ||
15e47304 | 8597 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
8598 | return 0; |
8599 | } | |
8600 | ||
7f6cf311 JB |
8601 | static int nl80211_probe_client(struct sk_buff *skb, |
8602 | struct genl_info *info) | |
8603 | { | |
8604 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8605 | struct net_device *dev = info->user_ptr[1]; | |
8606 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8607 | struct sk_buff *msg; | |
8608 | void *hdr; | |
8609 | const u8 *addr; | |
8610 | u64 cookie; | |
8611 | int err; | |
8612 | ||
8613 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8614 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8615 | return -EOPNOTSUPP; | |
8616 | ||
8617 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8618 | return -EINVAL; | |
8619 | ||
8620 | if (!rdev->ops->probe_client) | |
8621 | return -EOPNOTSUPP; | |
8622 | ||
8623 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8624 | if (!msg) | |
8625 | return -ENOMEM; | |
8626 | ||
15e47304 | 8627 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 8628 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
8629 | if (!hdr) { |
8630 | err = -ENOBUFS; | |
7f6cf311 JB |
8631 | goto free_msg; |
8632 | } | |
8633 | ||
8634 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8635 | ||
e35e4d28 | 8636 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
8637 | if (err) |
8638 | goto free_msg; | |
8639 | ||
9360ffd1 DM |
8640 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8641 | goto nla_put_failure; | |
7f6cf311 JB |
8642 | |
8643 | genlmsg_end(msg, hdr); | |
8644 | ||
8645 | return genlmsg_reply(msg, info); | |
8646 | ||
8647 | nla_put_failure: | |
8648 | err = -ENOBUFS; | |
8649 | free_msg: | |
8650 | nlmsg_free(msg); | |
8651 | return err; | |
8652 | } | |
8653 | ||
5e760230 JB |
8654 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
8655 | { | |
8656 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
8657 | struct cfg80211_beacon_registration *reg, *nreg; |
8658 | int rv; | |
5e760230 JB |
8659 | |
8660 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
8661 | return -EOPNOTSUPP; | |
8662 | ||
37c73b5f BG |
8663 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
8664 | if (!nreg) | |
8665 | return -ENOMEM; | |
8666 | ||
8667 | /* First, check if already registered. */ | |
8668 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
8669 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
8670 | if (reg->nlportid == info->snd_portid) { | |
8671 | rv = -EALREADY; | |
8672 | goto out_err; | |
8673 | } | |
8674 | } | |
8675 | /* Add it to the list */ | |
8676 | nreg->nlportid = info->snd_portid; | |
8677 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 8678 | |
37c73b5f | 8679 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
8680 | |
8681 | return 0; | |
37c73b5f BG |
8682 | out_err: |
8683 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
8684 | kfree(nreg); | |
8685 | return rv; | |
5e760230 JB |
8686 | } |
8687 | ||
98104fde JB |
8688 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
8689 | { | |
8690 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8691 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8692 | int err; | |
8693 | ||
8694 | if (!rdev->ops->start_p2p_device) | |
8695 | return -EOPNOTSUPP; | |
8696 | ||
8697 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8698 | return -EOPNOTSUPP; | |
8699 | ||
8700 | if (wdev->p2p_started) | |
8701 | return 0; | |
8702 | ||
98104fde | 8703 | err = cfg80211_can_add_interface(rdev, wdev->iftype); |
98104fde JB |
8704 | if (err) |
8705 | return err; | |
8706 | ||
eeb126e9 | 8707 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
8708 | if (err) |
8709 | return err; | |
8710 | ||
8711 | wdev->p2p_started = true; | |
98104fde | 8712 | rdev->opencount++; |
98104fde JB |
8713 | |
8714 | return 0; | |
8715 | } | |
8716 | ||
8717 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
8718 | { | |
8719 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8720 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8721 | ||
8722 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8723 | return -EOPNOTSUPP; | |
8724 | ||
8725 | if (!rdev->ops->stop_p2p_device) | |
8726 | return -EOPNOTSUPP; | |
8727 | ||
f9f47529 | 8728 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
8729 | |
8730 | return 0; | |
8731 | } | |
8732 | ||
3713b4e3 JB |
8733 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
8734 | struct genl_info *info) | |
8735 | { | |
8736 | void *hdr; | |
8737 | struct sk_buff *msg; | |
8738 | ||
8739 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8740 | if (!msg) | |
8741 | return -ENOMEM; | |
8742 | ||
8743 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8744 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
8745 | if (!hdr) | |
8746 | goto nla_put_failure; | |
8747 | ||
8748 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
8749 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
8750 | goto nla_put_failure; | |
8751 | ||
8752 | genlmsg_end(msg, hdr); | |
8753 | return genlmsg_reply(msg, info); | |
8754 | ||
8755 | nla_put_failure: | |
8756 | kfree_skb(msg); | |
8757 | return -ENOBUFS; | |
8758 | } | |
8759 | ||
355199e0 JM |
8760 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
8761 | { | |
8762 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8763 | struct cfg80211_update_ft_ies_params ft_params; | |
8764 | struct net_device *dev = info->user_ptr[1]; | |
8765 | ||
8766 | if (!rdev->ops->update_ft_ies) | |
8767 | return -EOPNOTSUPP; | |
8768 | ||
8769 | if (!info->attrs[NL80211_ATTR_MDID] || | |
8770 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8771 | return -EINVAL; | |
8772 | ||
8773 | memset(&ft_params, 0, sizeof(ft_params)); | |
8774 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
8775 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8776 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8777 | ||
8778 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
8779 | } | |
8780 | ||
5de17984 AS |
8781 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
8782 | struct genl_info *info) | |
8783 | { | |
8784 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8785 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8786 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
8787 | u16 duration; | |
8788 | int ret; | |
8789 | ||
8790 | if (!rdev->ops->crit_proto_start) | |
8791 | return -EOPNOTSUPP; | |
8792 | ||
8793 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
8794 | return -EINVAL; | |
8795 | ||
8796 | if (rdev->crit_proto_nlportid) | |
8797 | return -EBUSY; | |
8798 | ||
8799 | /* determine protocol if provided */ | |
8800 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
8801 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
8802 | ||
8803 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
8804 | return -EINVAL; | |
8805 | ||
8806 | /* timeout must be provided */ | |
8807 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
8808 | return -EINVAL; | |
8809 | ||
8810 | duration = | |
8811 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
8812 | ||
8813 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
8814 | return -ERANGE; | |
8815 | ||
8816 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
8817 | if (!ret) | |
8818 | rdev->crit_proto_nlportid = info->snd_portid; | |
8819 | ||
8820 | return ret; | |
8821 | } | |
8822 | ||
8823 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
8824 | struct genl_info *info) | |
8825 | { | |
8826 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8827 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8828 | ||
8829 | if (!rdev->ops->crit_proto_stop) | |
8830 | return -EOPNOTSUPP; | |
8831 | ||
8832 | if (rdev->crit_proto_nlportid) { | |
8833 | rdev->crit_proto_nlportid = 0; | |
8834 | rdev_crit_proto_stop(rdev, wdev); | |
8835 | } | |
8836 | return 0; | |
8837 | } | |
8838 | ||
4c476991 JB |
8839 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
8840 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
8841 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
8842 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
8843 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
8844 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 8845 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 8846 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
8847 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
8848 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 JB |
8849 | |
8850 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, | |
8851 | struct genl_info *info) | |
8852 | { | |
8853 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 8854 | struct wireless_dev *wdev; |
4c476991 | 8855 | struct net_device *dev; |
4c476991 JB |
8856 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
8857 | ||
8858 | if (rtnl) | |
8859 | rtnl_lock(); | |
8860 | ||
8861 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 8862 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
8863 | if (IS_ERR(rdev)) { |
8864 | if (rtnl) | |
8865 | rtnl_unlock(); | |
8866 | return PTR_ERR(rdev); | |
8867 | } | |
8868 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
8869 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
8870 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
8871 | ASSERT_RTNL(); |
8872 | ||
89a54e48 JB |
8873 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
8874 | info->attrs); | |
8875 | if (IS_ERR(wdev)) { | |
4c476991 JB |
8876 | if (rtnl) |
8877 | rtnl_unlock(); | |
89a54e48 | 8878 | return PTR_ERR(wdev); |
4c476991 | 8879 | } |
89a54e48 | 8880 | |
89a54e48 JB |
8881 | dev = wdev->netdev; |
8882 | rdev = wiphy_to_dev(wdev->wiphy); | |
8883 | ||
1bf614ef JB |
8884 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
8885 | if (!dev) { | |
1bf614ef JB |
8886 | if (rtnl) |
8887 | rtnl_unlock(); | |
8888 | return -EINVAL; | |
8889 | } | |
8890 | ||
8891 | info->user_ptr[1] = dev; | |
8892 | } else { | |
8893 | info->user_ptr[1] = wdev; | |
41265714 | 8894 | } |
1bf614ef JB |
8895 | |
8896 | if (dev) { | |
8897 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
8898 | !netif_running(dev)) { | |
1bf614ef JB |
8899 | if (rtnl) |
8900 | rtnl_unlock(); | |
8901 | return -ENETDOWN; | |
8902 | } | |
8903 | ||
8904 | dev_hold(dev); | |
98104fde JB |
8905 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
8906 | if (!wdev->p2p_started) { | |
98104fde JB |
8907 | if (rtnl) |
8908 | rtnl_unlock(); | |
8909 | return -ENETDOWN; | |
8910 | } | |
41265714 | 8911 | } |
89a54e48 | 8912 | |
4c476991 | 8913 | info->user_ptr[0] = rdev; |
4c476991 JB |
8914 | } |
8915 | ||
8916 | return 0; | |
8917 | } | |
8918 | ||
8919 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
8920 | struct genl_info *info) | |
8921 | { | |
1bf614ef JB |
8922 | if (info->user_ptr[1]) { |
8923 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
8924 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8925 | ||
8926 | if (wdev->netdev) | |
8927 | dev_put(wdev->netdev); | |
8928 | } else { | |
8929 | dev_put(info->user_ptr[1]); | |
8930 | } | |
8931 | } | |
4c476991 JB |
8932 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
8933 | rtnl_unlock(); | |
8934 | } | |
8935 | ||
55682965 JB |
8936 | static struct genl_ops nl80211_ops[] = { |
8937 | { | |
8938 | .cmd = NL80211_CMD_GET_WIPHY, | |
8939 | .doit = nl80211_get_wiphy, | |
8940 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 8941 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
8942 | .policy = nl80211_policy, |
8943 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
8944 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
8945 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8946 | }, |
8947 | { | |
8948 | .cmd = NL80211_CMD_SET_WIPHY, | |
8949 | .doit = nl80211_set_wiphy, | |
8950 | .policy = nl80211_policy, | |
8951 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 8952 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
8953 | }, |
8954 | { | |
8955 | .cmd = NL80211_CMD_GET_INTERFACE, | |
8956 | .doit = nl80211_get_interface, | |
8957 | .dumpit = nl80211_dump_interface, | |
8958 | .policy = nl80211_policy, | |
8959 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
8960 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
8961 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8962 | }, |
8963 | { | |
8964 | .cmd = NL80211_CMD_SET_INTERFACE, | |
8965 | .doit = nl80211_set_interface, | |
8966 | .policy = nl80211_policy, | |
8967 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8968 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8969 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8970 | }, |
8971 | { | |
8972 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
8973 | .doit = nl80211_new_interface, | |
8974 | .policy = nl80211_policy, | |
8975 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8976 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
8977 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8978 | }, |
8979 | { | |
8980 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
8981 | .doit = nl80211_del_interface, | |
8982 | .policy = nl80211_policy, | |
41ade00f | 8983 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 8984 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 8985 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
8986 | }, |
8987 | { | |
8988 | .cmd = NL80211_CMD_GET_KEY, | |
8989 | .doit = nl80211_get_key, | |
8990 | .policy = nl80211_policy, | |
8991 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 8992 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8993 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
8994 | }, |
8995 | { | |
8996 | .cmd = NL80211_CMD_SET_KEY, | |
8997 | .doit = nl80211_set_key, | |
8998 | .policy = nl80211_policy, | |
8999 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9000 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9001 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9002 | }, |
9003 | { | |
9004 | .cmd = NL80211_CMD_NEW_KEY, | |
9005 | .doit = nl80211_new_key, | |
9006 | .policy = nl80211_policy, | |
9007 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9008 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9009 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9010 | }, |
9011 | { | |
9012 | .cmd = NL80211_CMD_DEL_KEY, | |
9013 | .doit = nl80211_del_key, | |
9014 | .policy = nl80211_policy, | |
55682965 | 9015 | .flags = GENL_ADMIN_PERM, |
41265714 | 9016 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9017 | NL80211_FLAG_NEED_RTNL, |
55682965 | 9018 | }, |
ed1b6cc7 JB |
9019 | { |
9020 | .cmd = NL80211_CMD_SET_BEACON, | |
9021 | .policy = nl80211_policy, | |
9022 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9023 | .doit = nl80211_set_beacon, |
2b5f8b0b | 9024 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9025 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9026 | }, |
9027 | { | |
8860020e | 9028 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
9029 | .policy = nl80211_policy, |
9030 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9031 | .doit = nl80211_start_ap, |
2b5f8b0b | 9032 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9033 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9034 | }, |
9035 | { | |
8860020e | 9036 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
9037 | .policy = nl80211_policy, |
9038 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9039 | .doit = nl80211_stop_ap, |
2b5f8b0b | 9040 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9041 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 9042 | }, |
5727ef1b JB |
9043 | { |
9044 | .cmd = NL80211_CMD_GET_STATION, | |
9045 | .doit = nl80211_get_station, | |
2ec600d6 | 9046 | .dumpit = nl80211_dump_station, |
5727ef1b | 9047 | .policy = nl80211_policy, |
4c476991 JB |
9048 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9049 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
9050 | }, |
9051 | { | |
9052 | .cmd = NL80211_CMD_SET_STATION, | |
9053 | .doit = nl80211_set_station, | |
9054 | .policy = nl80211_policy, | |
9055 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9056 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9057 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9058 | }, |
9059 | { | |
9060 | .cmd = NL80211_CMD_NEW_STATION, | |
9061 | .doit = nl80211_new_station, | |
9062 | .policy = nl80211_policy, | |
9063 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9064 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9065 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9066 | }, |
9067 | { | |
9068 | .cmd = NL80211_CMD_DEL_STATION, | |
9069 | .doit = nl80211_del_station, | |
9070 | .policy = nl80211_policy, | |
2ec600d6 | 9071 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9072 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9073 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9074 | }, |
9075 | { | |
9076 | .cmd = NL80211_CMD_GET_MPATH, | |
9077 | .doit = nl80211_get_mpath, | |
9078 | .dumpit = nl80211_dump_mpath, | |
9079 | .policy = nl80211_policy, | |
9080 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9081 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9082 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9083 | }, |
9084 | { | |
9085 | .cmd = NL80211_CMD_SET_MPATH, | |
9086 | .doit = nl80211_set_mpath, | |
9087 | .policy = nl80211_policy, | |
9088 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9089 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9090 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9091 | }, |
9092 | { | |
9093 | .cmd = NL80211_CMD_NEW_MPATH, | |
9094 | .doit = nl80211_new_mpath, | |
9095 | .policy = nl80211_policy, | |
9096 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9097 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9098 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9099 | }, |
9100 | { | |
9101 | .cmd = NL80211_CMD_DEL_MPATH, | |
9102 | .doit = nl80211_del_mpath, | |
9103 | .policy = nl80211_policy, | |
9f1ba906 | 9104 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9105 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9106 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
9107 | }, |
9108 | { | |
9109 | .cmd = NL80211_CMD_SET_BSS, | |
9110 | .doit = nl80211_set_bss, | |
9111 | .policy = nl80211_policy, | |
b2e1b302 | 9112 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9113 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9114 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 9115 | }, |
f130347c LR |
9116 | { |
9117 | .cmd = NL80211_CMD_GET_REG, | |
9118 | .doit = nl80211_get_reg, | |
9119 | .policy = nl80211_policy, | |
5fe231e8 | 9120 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
9121 | /* can be retrieved by unprivileged users */ |
9122 | }, | |
b2e1b302 LR |
9123 | { |
9124 | .cmd = NL80211_CMD_SET_REG, | |
9125 | .doit = nl80211_set_reg, | |
9126 | .policy = nl80211_policy, | |
9127 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 9128 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
9129 | }, |
9130 | { | |
9131 | .cmd = NL80211_CMD_REQ_SET_REG, | |
9132 | .doit = nl80211_req_set_reg, | |
9133 | .policy = nl80211_policy, | |
93da9cc1 | 9134 | .flags = GENL_ADMIN_PERM, |
9135 | }, | |
9136 | { | |
24bdd9f4 JC |
9137 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
9138 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 9139 | .policy = nl80211_policy, |
9140 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 9141 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9142 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 9143 | }, |
9144 | { | |
24bdd9f4 JC |
9145 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
9146 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 9147 | .policy = nl80211_policy, |
9aed3cc1 | 9148 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 9149 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9150 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 9151 | }, |
2a519311 JB |
9152 | { |
9153 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
9154 | .doit = nl80211_trigger_scan, | |
9155 | .policy = nl80211_policy, | |
9156 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 9157 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9158 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
9159 | }, |
9160 | { | |
9161 | .cmd = NL80211_CMD_GET_SCAN, | |
9162 | .policy = nl80211_policy, | |
9163 | .dumpit = nl80211_dump_scan, | |
9164 | }, | |
807f8a8c LC |
9165 | { |
9166 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
9167 | .doit = nl80211_start_sched_scan, | |
9168 | .policy = nl80211_policy, | |
9169 | .flags = GENL_ADMIN_PERM, | |
9170 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9171 | NL80211_FLAG_NEED_RTNL, | |
9172 | }, | |
9173 | { | |
9174 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
9175 | .doit = nl80211_stop_sched_scan, | |
9176 | .policy = nl80211_policy, | |
9177 | .flags = GENL_ADMIN_PERM, | |
9178 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9179 | NL80211_FLAG_NEED_RTNL, | |
9180 | }, | |
636a5d36 JM |
9181 | { |
9182 | .cmd = NL80211_CMD_AUTHENTICATE, | |
9183 | .doit = nl80211_authenticate, | |
9184 | .policy = nl80211_policy, | |
9185 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9186 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9187 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9188 | }, |
9189 | { | |
9190 | .cmd = NL80211_CMD_ASSOCIATE, | |
9191 | .doit = nl80211_associate, | |
9192 | .policy = nl80211_policy, | |
9193 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9194 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9195 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9196 | }, |
9197 | { | |
9198 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
9199 | .doit = nl80211_deauthenticate, | |
9200 | .policy = nl80211_policy, | |
9201 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9202 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9203 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9204 | }, |
9205 | { | |
9206 | .cmd = NL80211_CMD_DISASSOCIATE, | |
9207 | .doit = nl80211_disassociate, | |
9208 | .policy = nl80211_policy, | |
9209 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9210 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9211 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 9212 | }, |
04a773ad JB |
9213 | { |
9214 | .cmd = NL80211_CMD_JOIN_IBSS, | |
9215 | .doit = nl80211_join_ibss, | |
9216 | .policy = nl80211_policy, | |
9217 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9218 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9219 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
9220 | }, |
9221 | { | |
9222 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
9223 | .doit = nl80211_leave_ibss, | |
9224 | .policy = nl80211_policy, | |
9225 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9226 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9227 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 9228 | }, |
aff89a9b JB |
9229 | #ifdef CONFIG_NL80211_TESTMODE |
9230 | { | |
9231 | .cmd = NL80211_CMD_TESTMODE, | |
9232 | .doit = nl80211_testmode_do, | |
71063f0e | 9233 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
9234 | .policy = nl80211_policy, |
9235 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9236 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9237 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
9238 | }, |
9239 | #endif | |
b23aa676 SO |
9240 | { |
9241 | .cmd = NL80211_CMD_CONNECT, | |
9242 | .doit = nl80211_connect, | |
9243 | .policy = nl80211_policy, | |
9244 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9245 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9246 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
9247 | }, |
9248 | { | |
9249 | .cmd = NL80211_CMD_DISCONNECT, | |
9250 | .doit = nl80211_disconnect, | |
9251 | .policy = nl80211_policy, | |
9252 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9253 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9254 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 9255 | }, |
463d0183 JB |
9256 | { |
9257 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
9258 | .doit = nl80211_wiphy_netns, | |
9259 | .policy = nl80211_policy, | |
9260 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9261 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9262 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 9263 | }, |
61fa713c HS |
9264 | { |
9265 | .cmd = NL80211_CMD_GET_SURVEY, | |
9266 | .policy = nl80211_policy, | |
9267 | .dumpit = nl80211_dump_survey, | |
9268 | }, | |
67fbb16b SO |
9269 | { |
9270 | .cmd = NL80211_CMD_SET_PMKSA, | |
9271 | .doit = nl80211_setdel_pmksa, | |
9272 | .policy = nl80211_policy, | |
9273 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9274 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9275 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9276 | }, |
9277 | { | |
9278 | .cmd = NL80211_CMD_DEL_PMKSA, | |
9279 | .doit = nl80211_setdel_pmksa, | |
9280 | .policy = nl80211_policy, | |
9281 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9282 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9283 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9284 | }, |
9285 | { | |
9286 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
9287 | .doit = nl80211_flush_pmksa, | |
9288 | .policy = nl80211_policy, | |
9289 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9290 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9291 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 9292 | }, |
9588bbd5 JM |
9293 | { |
9294 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
9295 | .doit = nl80211_remain_on_channel, | |
9296 | .policy = nl80211_policy, | |
9297 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9298 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9299 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
9300 | }, |
9301 | { | |
9302 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
9303 | .doit = nl80211_cancel_remain_on_channel, | |
9304 | .policy = nl80211_policy, | |
9305 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9306 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9307 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 9308 | }, |
13ae75b1 JM |
9309 | { |
9310 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
9311 | .doit = nl80211_set_tx_bitrate_mask, | |
9312 | .policy = nl80211_policy, | |
9313 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9314 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9315 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 9316 | }, |
026331c4 | 9317 | { |
2e161f78 JB |
9318 | .cmd = NL80211_CMD_REGISTER_FRAME, |
9319 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
9320 | .policy = nl80211_policy, |
9321 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9322 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9323 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
9324 | }, |
9325 | { | |
2e161f78 JB |
9326 | .cmd = NL80211_CMD_FRAME, |
9327 | .doit = nl80211_tx_mgmt, | |
026331c4 | 9328 | .policy = nl80211_policy, |
f7ca38df | 9329 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9330 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
9331 | NL80211_FLAG_NEED_RTNL, |
9332 | }, | |
9333 | { | |
9334 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
9335 | .doit = nl80211_tx_mgmt_cancel_wait, | |
9336 | .policy = nl80211_policy, | |
026331c4 | 9337 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9338 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9339 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 9340 | }, |
ffb9eb3d KV |
9341 | { |
9342 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
9343 | .doit = nl80211_set_power_save, | |
9344 | .policy = nl80211_policy, | |
9345 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9346 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9347 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
9348 | }, |
9349 | { | |
9350 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
9351 | .doit = nl80211_get_power_save, | |
9352 | .policy = nl80211_policy, | |
9353 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
9354 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9355 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 9356 | }, |
d6dc1a38 JO |
9357 | { |
9358 | .cmd = NL80211_CMD_SET_CQM, | |
9359 | .doit = nl80211_set_cqm, | |
9360 | .policy = nl80211_policy, | |
9361 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9362 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9363 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 9364 | }, |
f444de05 JB |
9365 | { |
9366 | .cmd = NL80211_CMD_SET_CHANNEL, | |
9367 | .doit = nl80211_set_channel, | |
9368 | .policy = nl80211_policy, | |
9369 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9370 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9371 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 9372 | }, |
e8347eba BJ |
9373 | { |
9374 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
9375 | .doit = nl80211_set_wds_peer, | |
9376 | .policy = nl80211_policy, | |
9377 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
9378 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9379 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 9380 | }, |
29cbe68c JB |
9381 | { |
9382 | .cmd = NL80211_CMD_JOIN_MESH, | |
9383 | .doit = nl80211_join_mesh, | |
9384 | .policy = nl80211_policy, | |
9385 | .flags = GENL_ADMIN_PERM, | |
9386 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9387 | NL80211_FLAG_NEED_RTNL, | |
9388 | }, | |
9389 | { | |
9390 | .cmd = NL80211_CMD_LEAVE_MESH, | |
9391 | .doit = nl80211_leave_mesh, | |
9392 | .policy = nl80211_policy, | |
9393 | .flags = GENL_ADMIN_PERM, | |
9394 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9395 | NL80211_FLAG_NEED_RTNL, | |
9396 | }, | |
dfb89c56 | 9397 | #ifdef CONFIG_PM |
ff1b6e69 JB |
9398 | { |
9399 | .cmd = NL80211_CMD_GET_WOWLAN, | |
9400 | .doit = nl80211_get_wowlan, | |
9401 | .policy = nl80211_policy, | |
9402 | /* can be retrieved by unprivileged users */ | |
9403 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9404 | NL80211_FLAG_NEED_RTNL, | |
9405 | }, | |
9406 | { | |
9407 | .cmd = NL80211_CMD_SET_WOWLAN, | |
9408 | .doit = nl80211_set_wowlan, | |
9409 | .policy = nl80211_policy, | |
9410 | .flags = GENL_ADMIN_PERM, | |
9411 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9412 | NL80211_FLAG_NEED_RTNL, | |
9413 | }, | |
dfb89c56 | 9414 | #endif |
e5497d76 JB |
9415 | { |
9416 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
9417 | .doit = nl80211_set_rekey_data, | |
9418 | .policy = nl80211_policy, | |
9419 | .flags = GENL_ADMIN_PERM, | |
9420 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9421 | NL80211_FLAG_NEED_RTNL, | |
9422 | }, | |
109086ce AN |
9423 | { |
9424 | .cmd = NL80211_CMD_TDLS_MGMT, | |
9425 | .doit = nl80211_tdls_mgmt, | |
9426 | .policy = nl80211_policy, | |
9427 | .flags = GENL_ADMIN_PERM, | |
9428 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9429 | NL80211_FLAG_NEED_RTNL, | |
9430 | }, | |
9431 | { | |
9432 | .cmd = NL80211_CMD_TDLS_OPER, | |
9433 | .doit = nl80211_tdls_oper, | |
9434 | .policy = nl80211_policy, | |
9435 | .flags = GENL_ADMIN_PERM, | |
9436 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9437 | NL80211_FLAG_NEED_RTNL, | |
9438 | }, | |
28946da7 JB |
9439 | { |
9440 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
9441 | .doit = nl80211_register_unexpected_frame, | |
9442 | .policy = nl80211_policy, | |
9443 | .flags = GENL_ADMIN_PERM, | |
9444 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9445 | NL80211_FLAG_NEED_RTNL, | |
9446 | }, | |
7f6cf311 JB |
9447 | { |
9448 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
9449 | .doit = nl80211_probe_client, | |
9450 | .policy = nl80211_policy, | |
9451 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9452 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
9453 | NL80211_FLAG_NEED_RTNL, |
9454 | }, | |
5e760230 JB |
9455 | { |
9456 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
9457 | .doit = nl80211_register_beacons, | |
9458 | .policy = nl80211_policy, | |
9459 | .flags = GENL_ADMIN_PERM, | |
9460 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9461 | NL80211_FLAG_NEED_RTNL, | |
9462 | }, | |
1d9d9213 SW |
9463 | { |
9464 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
9465 | .doit = nl80211_set_noack_map, | |
9466 | .policy = nl80211_policy, | |
9467 | .flags = GENL_ADMIN_PERM, | |
9468 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9469 | NL80211_FLAG_NEED_RTNL, | |
9470 | }, | |
98104fde JB |
9471 | { |
9472 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
9473 | .doit = nl80211_start_p2p_device, | |
9474 | .policy = nl80211_policy, | |
9475 | .flags = GENL_ADMIN_PERM, | |
9476 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
9477 | NL80211_FLAG_NEED_RTNL, | |
9478 | }, | |
9479 | { | |
9480 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
9481 | .doit = nl80211_stop_p2p_device, | |
9482 | .policy = nl80211_policy, | |
9483 | .flags = GENL_ADMIN_PERM, | |
9484 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9485 | NL80211_FLAG_NEED_RTNL, | |
9486 | }, | |
f4e583c8 AQ |
9487 | { |
9488 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
9489 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
9490 | .policy = nl80211_policy, |
9491 | .flags = GENL_ADMIN_PERM, | |
9492 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9493 | NL80211_FLAG_NEED_RTNL, | |
9494 | }, | |
9495 | { | |
9496 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
9497 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
9498 | .policy = nl80211_policy, |
9499 | .flags = GENL_ADMIN_PERM, | |
9500 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9501 | NL80211_FLAG_NEED_RTNL, | |
9502 | }, | |
04f39047 SW |
9503 | { |
9504 | .cmd = NL80211_CMD_RADAR_DETECT, | |
9505 | .doit = nl80211_start_radar_detection, | |
9506 | .policy = nl80211_policy, | |
9507 | .flags = GENL_ADMIN_PERM, | |
9508 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9509 | NL80211_FLAG_NEED_RTNL, | |
9510 | }, | |
3713b4e3 JB |
9511 | { |
9512 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
9513 | .doit = nl80211_get_protocol_features, | |
9514 | .policy = nl80211_policy, | |
9515 | }, | |
355199e0 JM |
9516 | { |
9517 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
9518 | .doit = nl80211_update_ft_ies, | |
9519 | .policy = nl80211_policy, | |
9520 | .flags = GENL_ADMIN_PERM, | |
9521 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9522 | NL80211_FLAG_NEED_RTNL, | |
9523 | }, | |
5de17984 AS |
9524 | { |
9525 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
9526 | .doit = nl80211_crit_protocol_start, | |
9527 | .policy = nl80211_policy, | |
9528 | .flags = GENL_ADMIN_PERM, | |
9529 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9530 | NL80211_FLAG_NEED_RTNL, | |
9531 | }, | |
9532 | { | |
9533 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
9534 | .doit = nl80211_crit_protocol_stop, | |
9535 | .policy = nl80211_policy, | |
9536 | .flags = GENL_ADMIN_PERM, | |
9537 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9538 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
9539 | }, |
9540 | { | |
9541 | .cmd = NL80211_CMD_GET_COALESCE, | |
9542 | .doit = nl80211_get_coalesce, | |
9543 | .policy = nl80211_policy, | |
9544 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9545 | NL80211_FLAG_NEED_RTNL, | |
9546 | }, | |
9547 | { | |
9548 | .cmd = NL80211_CMD_SET_COALESCE, | |
9549 | .doit = nl80211_set_coalesce, | |
9550 | .policy = nl80211_policy, | |
9551 | .flags = GENL_ADMIN_PERM, | |
9552 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9553 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
9554 | }, |
9555 | { | |
9556 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
9557 | .doit = nl80211_channel_switch, | |
9558 | .policy = nl80211_policy, | |
9559 | .flags = GENL_ADMIN_PERM, | |
9560 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9561 | NL80211_FLAG_NEED_RTNL, | |
9562 | }, | |
55682965 | 9563 | }; |
9588bbd5 | 9564 | |
6039f6d2 JM |
9565 | static struct genl_multicast_group nl80211_mlme_mcgrp = { |
9566 | .name = "mlme", | |
9567 | }; | |
55682965 JB |
9568 | |
9569 | /* multicast groups */ | |
9570 | static struct genl_multicast_group nl80211_config_mcgrp = { | |
9571 | .name = "config", | |
9572 | }; | |
2a519311 JB |
9573 | static struct genl_multicast_group nl80211_scan_mcgrp = { |
9574 | .name = "scan", | |
9575 | }; | |
73d54c9e LR |
9576 | static struct genl_multicast_group nl80211_regulatory_mcgrp = { |
9577 | .name = "regulatory", | |
9578 | }; | |
55682965 JB |
9579 | |
9580 | /* notification functions */ | |
9581 | ||
9582 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
9583 | { | |
9584 | struct sk_buff *msg; | |
86e8cf98 | 9585 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 9586 | |
fd2120ca | 9587 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
9588 | if (!msg) |
9589 | return; | |
9590 | ||
86e8cf98 | 9591 | if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
9592 | nlmsg_free(msg); |
9593 | return; | |
9594 | } | |
9595 | ||
463d0183 JB |
9596 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9597 | nl80211_config_mcgrp.id, GFP_KERNEL); | |
55682965 JB |
9598 | } |
9599 | ||
362a415d JB |
9600 | static int nl80211_add_scan_req(struct sk_buff *msg, |
9601 | struct cfg80211_registered_device *rdev) | |
9602 | { | |
9603 | struct cfg80211_scan_request *req = rdev->scan_req; | |
9604 | struct nlattr *nest; | |
9605 | int i; | |
9606 | ||
9607 | if (WARN_ON(!req)) | |
9608 | return 0; | |
9609 | ||
9610 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
9611 | if (!nest) | |
9612 | goto nla_put_failure; | |
9360ffd1 DM |
9613 | for (i = 0; i < req->n_ssids; i++) { |
9614 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
9615 | goto nla_put_failure; | |
9616 | } | |
362a415d JB |
9617 | nla_nest_end(msg, nest); |
9618 | ||
9619 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
9620 | if (!nest) | |
9621 | goto nla_put_failure; | |
9360ffd1 DM |
9622 | for (i = 0; i < req->n_channels; i++) { |
9623 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9624 | goto nla_put_failure; | |
9625 | } | |
362a415d JB |
9626 | nla_nest_end(msg, nest); |
9627 | ||
9360ffd1 DM |
9628 | if (req->ie && |
9629 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
9630 | goto nla_put_failure; | |
362a415d | 9631 | |
ed473771 SL |
9632 | if (req->flags) |
9633 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags); | |
9634 | ||
362a415d JB |
9635 | return 0; |
9636 | nla_put_failure: | |
9637 | return -ENOBUFS; | |
9638 | } | |
9639 | ||
a538e2d5 JB |
9640 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
9641 | struct cfg80211_registered_device *rdev, | |
fd014284 | 9642 | struct wireless_dev *wdev, |
15e47304 | 9643 | u32 portid, u32 seq, int flags, |
a538e2d5 | 9644 | u32 cmd) |
2a519311 JB |
9645 | { |
9646 | void *hdr; | |
9647 | ||
15e47304 | 9648 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
9649 | if (!hdr) |
9650 | return -1; | |
9651 | ||
9360ffd1 | 9652 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
9653 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
9654 | wdev->netdev->ifindex)) || | |
9655 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 9656 | goto nla_put_failure; |
2a519311 | 9657 | |
362a415d JB |
9658 | /* ignore errors and send incomplete event anyway */ |
9659 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
9660 | |
9661 | return genlmsg_end(msg, hdr); | |
9662 | ||
9663 | nla_put_failure: | |
9664 | genlmsg_cancel(msg, hdr); | |
9665 | return -EMSGSIZE; | |
9666 | } | |
9667 | ||
807f8a8c LC |
9668 | static int |
9669 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
9670 | struct cfg80211_registered_device *rdev, | |
9671 | struct net_device *netdev, | |
15e47304 | 9672 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
9673 | { |
9674 | void *hdr; | |
9675 | ||
15e47304 | 9676 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
9677 | if (!hdr) |
9678 | return -1; | |
9679 | ||
9360ffd1 DM |
9680 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9681 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
9682 | goto nla_put_failure; | |
807f8a8c LC |
9683 | |
9684 | return genlmsg_end(msg, hdr); | |
9685 | ||
9686 | nla_put_failure: | |
9687 | genlmsg_cancel(msg, hdr); | |
9688 | return -EMSGSIZE; | |
9689 | } | |
9690 | ||
a538e2d5 | 9691 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 9692 | struct wireless_dev *wdev) |
a538e2d5 JB |
9693 | { |
9694 | struct sk_buff *msg; | |
9695 | ||
58050fce | 9696 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
9697 | if (!msg) |
9698 | return; | |
9699 | ||
fd014284 | 9700 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
9701 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
9702 | nlmsg_free(msg); | |
9703 | return; | |
9704 | } | |
9705 | ||
463d0183 JB |
9706 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9707 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
a538e2d5 JB |
9708 | } |
9709 | ||
2a519311 | 9710 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
fd014284 | 9711 | struct wireless_dev *wdev) |
2a519311 JB |
9712 | { |
9713 | struct sk_buff *msg; | |
9714 | ||
fd2120ca | 9715 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
9716 | if (!msg) |
9717 | return; | |
9718 | ||
fd014284 | 9719 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 9720 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { |
2a519311 JB |
9721 | nlmsg_free(msg); |
9722 | return; | |
9723 | } | |
9724 | ||
463d0183 JB |
9725 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9726 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
9727 | } |
9728 | ||
9729 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
fd014284 | 9730 | struct wireless_dev *wdev) |
2a519311 JB |
9731 | { |
9732 | struct sk_buff *msg; | |
9733 | ||
fd2120ca | 9734 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
9735 | if (!msg) |
9736 | return; | |
9737 | ||
fd014284 | 9738 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 9739 | NL80211_CMD_SCAN_ABORTED) < 0) { |
2a519311 JB |
9740 | nlmsg_free(msg); |
9741 | return; | |
9742 | } | |
9743 | ||
463d0183 JB |
9744 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9745 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
9746 | } |
9747 | ||
807f8a8c LC |
9748 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
9749 | struct net_device *netdev) | |
9750 | { | |
9751 | struct sk_buff *msg; | |
9752 | ||
9753 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9754 | if (!msg) | |
9755 | return; | |
9756 | ||
9757 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
9758 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
9759 | nlmsg_free(msg); | |
9760 | return; | |
9761 | } | |
9762 | ||
9763 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9764 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
9765 | } | |
9766 | ||
9767 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
9768 | struct net_device *netdev, u32 cmd) | |
9769 | { | |
9770 | struct sk_buff *msg; | |
9771 | ||
58050fce | 9772 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
9773 | if (!msg) |
9774 | return; | |
9775 | ||
9776 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
9777 | nlmsg_free(msg); | |
9778 | return; | |
9779 | } | |
9780 | ||
9781 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9782 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
9783 | } | |
9784 | ||
73d54c9e LR |
9785 | /* |
9786 | * This can happen on global regulatory changes or device specific settings | |
9787 | * based on custom world regulatory domains. | |
9788 | */ | |
9789 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
9790 | { | |
9791 | struct sk_buff *msg; | |
9792 | void *hdr; | |
9793 | ||
fd2120ca | 9794 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
9795 | if (!msg) |
9796 | return; | |
9797 | ||
9798 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
9799 | if (!hdr) { | |
9800 | nlmsg_free(msg); | |
9801 | return; | |
9802 | } | |
9803 | ||
9804 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
9805 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
9806 | goto nla_put_failure; | |
9807 | ||
9808 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
9809 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9810 | NL80211_REGDOM_TYPE_WORLD)) | |
9811 | goto nla_put_failure; | |
9812 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
9813 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9814 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
9815 | goto nla_put_failure; | |
9816 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
9817 | request->intersect) { | |
9818 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9819 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
9820 | goto nla_put_failure; | |
9821 | } else { | |
9822 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9823 | NL80211_REGDOM_TYPE_COUNTRY) || | |
9824 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
9825 | request->alpha2)) | |
9826 | goto nla_put_failure; | |
9827 | } | |
9828 | ||
f4173766 | 9829 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
9830 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
9831 | goto nla_put_failure; | |
73d54c9e | 9832 | |
3b7b72ee | 9833 | genlmsg_end(msg, hdr); |
73d54c9e | 9834 | |
bc43b28c | 9835 | rcu_read_lock(); |
463d0183 | 9836 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, |
bc43b28c JB |
9837 | GFP_ATOMIC); |
9838 | rcu_read_unlock(); | |
73d54c9e LR |
9839 | |
9840 | return; | |
9841 | ||
9842 | nla_put_failure: | |
9843 | genlmsg_cancel(msg, hdr); | |
9844 | nlmsg_free(msg); | |
9845 | } | |
9846 | ||
6039f6d2 JM |
9847 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
9848 | struct net_device *netdev, | |
9849 | const u8 *buf, size_t len, | |
e6d6e342 | 9850 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
9851 | { |
9852 | struct sk_buff *msg; | |
9853 | void *hdr; | |
9854 | ||
e6d6e342 | 9855 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
9856 | if (!msg) |
9857 | return; | |
9858 | ||
9859 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
9860 | if (!hdr) { | |
9861 | nlmsg_free(msg); | |
9862 | return; | |
9863 | } | |
9864 | ||
9360ffd1 DM |
9865 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9866 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9867 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
9868 | goto nla_put_failure; | |
6039f6d2 | 9869 | |
3b7b72ee | 9870 | genlmsg_end(msg, hdr); |
6039f6d2 | 9871 | |
463d0183 JB |
9872 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9873 | nl80211_mlme_mcgrp.id, gfp); | |
6039f6d2 JM |
9874 | return; |
9875 | ||
9876 | nla_put_failure: | |
9877 | genlmsg_cancel(msg, hdr); | |
9878 | nlmsg_free(msg); | |
9879 | } | |
9880 | ||
9881 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9882 | struct net_device *netdev, const u8 *buf, |
9883 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
9884 | { |
9885 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9886 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
9887 | } |
9888 | ||
9889 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
9890 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 9891 | size_t len, gfp_t gfp) |
6039f6d2 | 9892 | { |
e6d6e342 JB |
9893 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
9894 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
9895 | } |
9896 | ||
53b46b84 | 9897 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
9898 | struct net_device *netdev, const u8 *buf, |
9899 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
9900 | { |
9901 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9902 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
9903 | } |
9904 | ||
53b46b84 JM |
9905 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
9906 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 9907 | size_t len, gfp_t gfp) |
6039f6d2 JM |
9908 | { |
9909 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9910 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
9911 | } |
9912 | ||
6ff57cf8 JB |
9913 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
9914 | size_t len) | |
cf4e594e | 9915 | { |
947add36 JB |
9916 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9917 | struct wiphy *wiphy = wdev->wiphy; | |
9918 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6ff57cf8 JB |
9919 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
9920 | u32 cmd; | |
947add36 | 9921 | |
6ff57cf8 JB |
9922 | if (WARN_ON(len < 2)) |
9923 | return; | |
cf4e594e | 9924 | |
6ff57cf8 JB |
9925 | if (ieee80211_is_deauth(mgmt->frame_control)) |
9926 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
9927 | else | |
9928 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 9929 | |
6ff57cf8 JB |
9930 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
9931 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC); | |
cf4e594e | 9932 | } |
6ff57cf8 | 9933 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 9934 | |
1b06bb40 LR |
9935 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
9936 | struct net_device *netdev, int cmd, | |
e6d6e342 | 9937 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
9938 | { |
9939 | struct sk_buff *msg; | |
9940 | void *hdr; | |
9941 | ||
e6d6e342 | 9942 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
9943 | if (!msg) |
9944 | return; | |
9945 | ||
9946 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
9947 | if (!hdr) { | |
9948 | nlmsg_free(msg); | |
9949 | return; | |
9950 | } | |
9951 | ||
9360ffd1 DM |
9952 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9953 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9954 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
9955 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
9956 | goto nla_put_failure; | |
1965c853 | 9957 | |
3b7b72ee | 9958 | genlmsg_end(msg, hdr); |
1965c853 | 9959 | |
463d0183 JB |
9960 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9961 | nl80211_mlme_mcgrp.id, gfp); | |
1965c853 JM |
9962 | return; |
9963 | ||
9964 | nla_put_failure: | |
9965 | genlmsg_cancel(msg, hdr); | |
9966 | nlmsg_free(msg); | |
9967 | } | |
9968 | ||
9969 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9970 | struct net_device *netdev, const u8 *addr, |
9971 | gfp_t gfp) | |
1965c853 JM |
9972 | { |
9973 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 9974 | addr, gfp); |
1965c853 JM |
9975 | } |
9976 | ||
9977 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9978 | struct net_device *netdev, const u8 *addr, |
9979 | gfp_t gfp) | |
1965c853 | 9980 | { |
e6d6e342 JB |
9981 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
9982 | addr, gfp); | |
1965c853 JM |
9983 | } |
9984 | ||
b23aa676 SO |
9985 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
9986 | struct net_device *netdev, const u8 *bssid, | |
9987 | const u8 *req_ie, size_t req_ie_len, | |
9988 | const u8 *resp_ie, size_t resp_ie_len, | |
9989 | u16 status, gfp_t gfp) | |
9990 | { | |
9991 | struct sk_buff *msg; | |
9992 | void *hdr; | |
9993 | ||
58050fce | 9994 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
9995 | if (!msg) |
9996 | return; | |
9997 | ||
9998 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
9999 | if (!hdr) { | |
10000 | nlmsg_free(msg); | |
10001 | return; | |
10002 | } | |
10003 | ||
9360ffd1 DM |
10004 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10005 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10006 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
10007 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
10008 | (req_ie && | |
10009 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10010 | (resp_ie && | |
10011 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10012 | goto nla_put_failure; | |
b23aa676 | 10013 | |
3b7b72ee | 10014 | genlmsg_end(msg, hdr); |
b23aa676 | 10015 | |
463d0183 JB |
10016 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
10017 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
10018 | return; |
10019 | ||
10020 | nla_put_failure: | |
10021 | genlmsg_cancel(msg, hdr); | |
10022 | nlmsg_free(msg); | |
10023 | ||
10024 | } | |
10025 | ||
10026 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
10027 | struct net_device *netdev, const u8 *bssid, | |
10028 | const u8 *req_ie, size_t req_ie_len, | |
10029 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
10030 | { | |
10031 | struct sk_buff *msg; | |
10032 | void *hdr; | |
10033 | ||
58050fce | 10034 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10035 | if (!msg) |
10036 | return; | |
10037 | ||
10038 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
10039 | if (!hdr) { | |
10040 | nlmsg_free(msg); | |
10041 | return; | |
10042 | } | |
10043 | ||
9360ffd1 DM |
10044 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10045 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10046 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
10047 | (req_ie && | |
10048 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10049 | (resp_ie && | |
10050 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10051 | goto nla_put_failure; | |
b23aa676 | 10052 | |
3b7b72ee | 10053 | genlmsg_end(msg, hdr); |
b23aa676 | 10054 | |
463d0183 JB |
10055 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
10056 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
10057 | return; |
10058 | ||
10059 | nla_put_failure: | |
10060 | genlmsg_cancel(msg, hdr); | |
10061 | nlmsg_free(msg); | |
10062 | ||
10063 | } | |
10064 | ||
10065 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
10066 | struct net_device *netdev, u16 reason, | |
667503dd | 10067 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
10068 | { |
10069 | struct sk_buff *msg; | |
10070 | void *hdr; | |
10071 | ||
58050fce | 10072 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
10073 | if (!msg) |
10074 | return; | |
10075 | ||
10076 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
10077 | if (!hdr) { | |
10078 | nlmsg_free(msg); | |
10079 | return; | |
10080 | } | |
10081 | ||
9360ffd1 DM |
10082 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10083 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10084 | (from_ap && reason && | |
10085 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
10086 | (from_ap && | |
10087 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
10088 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
10089 | goto nla_put_failure; | |
b23aa676 | 10090 | |
3b7b72ee | 10091 | genlmsg_end(msg, hdr); |
b23aa676 | 10092 | |
463d0183 JB |
10093 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
10094 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
b23aa676 SO |
10095 | return; |
10096 | ||
10097 | nla_put_failure: | |
10098 | genlmsg_cancel(msg, hdr); | |
10099 | nlmsg_free(msg); | |
10100 | ||
10101 | } | |
10102 | ||
04a773ad JB |
10103 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
10104 | struct net_device *netdev, const u8 *bssid, | |
10105 | gfp_t gfp) | |
10106 | { | |
10107 | struct sk_buff *msg; | |
10108 | void *hdr; | |
10109 | ||
fd2120ca | 10110 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
10111 | if (!msg) |
10112 | return; | |
10113 | ||
10114 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
10115 | if (!hdr) { | |
10116 | nlmsg_free(msg); | |
10117 | return; | |
10118 | } | |
10119 | ||
9360ffd1 DM |
10120 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10121 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10122 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10123 | goto nla_put_failure; | |
04a773ad | 10124 | |
3b7b72ee | 10125 | genlmsg_end(msg, hdr); |
04a773ad | 10126 | |
463d0183 JB |
10127 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
10128 | nl80211_mlme_mcgrp.id, gfp); | |
04a773ad JB |
10129 | return; |
10130 | ||
10131 | nla_put_failure: | |
10132 | genlmsg_cancel(msg, hdr); | |
10133 | nlmsg_free(msg); | |
10134 | } | |
10135 | ||
947add36 JB |
10136 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
10137 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 10138 | { |
947add36 JB |
10139 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10140 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
c93b5e71 JC |
10141 | struct sk_buff *msg; |
10142 | void *hdr; | |
10143 | ||
947add36 JB |
10144 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
10145 | return; | |
10146 | ||
10147 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
10148 | ||
c93b5e71 JC |
10149 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10150 | if (!msg) | |
10151 | return; | |
10152 | ||
10153 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
10154 | if (!hdr) { | |
10155 | nlmsg_free(msg); | |
10156 | return; | |
10157 | } | |
10158 | ||
9360ffd1 | 10159 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
10160 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10161 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
10162 | (ie_len && ie && |
10163 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
10164 | goto nla_put_failure; | |
c93b5e71 | 10165 | |
3b7b72ee | 10166 | genlmsg_end(msg, hdr); |
c93b5e71 JC |
10167 | |
10168 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10169 | nl80211_mlme_mcgrp.id, gfp); | |
10170 | return; | |
10171 | ||
10172 | nla_put_failure: | |
10173 | genlmsg_cancel(msg, hdr); | |
10174 | nlmsg_free(msg); | |
10175 | } | |
947add36 | 10176 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 10177 | |
a3b8b056 JM |
10178 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
10179 | struct net_device *netdev, const u8 *addr, | |
10180 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 10181 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
10182 | { |
10183 | struct sk_buff *msg; | |
10184 | void *hdr; | |
10185 | ||
e6d6e342 | 10186 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
10187 | if (!msg) |
10188 | return; | |
10189 | ||
10190 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
10191 | if (!hdr) { | |
10192 | nlmsg_free(msg); | |
10193 | return; | |
10194 | } | |
10195 | ||
9360ffd1 DM |
10196 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10197 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10198 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
10199 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
10200 | (key_id != -1 && | |
10201 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
10202 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
10203 | goto nla_put_failure; | |
a3b8b056 | 10204 | |
3b7b72ee | 10205 | genlmsg_end(msg, hdr); |
a3b8b056 | 10206 | |
463d0183 JB |
10207 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
10208 | nl80211_mlme_mcgrp.id, gfp); | |
a3b8b056 JM |
10209 | return; |
10210 | ||
10211 | nla_put_failure: | |
10212 | genlmsg_cancel(msg, hdr); | |
10213 | nlmsg_free(msg); | |
10214 | } | |
10215 | ||
6bad8766 LR |
10216 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
10217 | struct ieee80211_channel *channel_before, | |
10218 | struct ieee80211_channel *channel_after) | |
10219 | { | |
10220 | struct sk_buff *msg; | |
10221 | void *hdr; | |
10222 | struct nlattr *nl_freq; | |
10223 | ||
fd2120ca | 10224 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
10225 | if (!msg) |
10226 | return; | |
10227 | ||
10228 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
10229 | if (!hdr) { | |
10230 | nlmsg_free(msg); | |
10231 | return; | |
10232 | } | |
10233 | ||
10234 | /* | |
10235 | * Since we are applying the beacon hint to a wiphy we know its | |
10236 | * wiphy_idx is valid | |
10237 | */ | |
9360ffd1 DM |
10238 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
10239 | goto nla_put_failure; | |
6bad8766 LR |
10240 | |
10241 | /* Before */ | |
10242 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
10243 | if (!nl_freq) | |
10244 | goto nla_put_failure; | |
cdc89b97 | 10245 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
10246 | goto nla_put_failure; |
10247 | nla_nest_end(msg, nl_freq); | |
10248 | ||
10249 | /* After */ | |
10250 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
10251 | if (!nl_freq) | |
10252 | goto nla_put_failure; | |
cdc89b97 | 10253 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
10254 | goto nla_put_failure; |
10255 | nla_nest_end(msg, nl_freq); | |
10256 | ||
3b7b72ee | 10257 | genlmsg_end(msg, hdr); |
6bad8766 | 10258 | |
463d0183 JB |
10259 | rcu_read_lock(); |
10260 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, | |
10261 | GFP_ATOMIC); | |
10262 | rcu_read_unlock(); | |
6bad8766 LR |
10263 | |
10264 | return; | |
10265 | ||
10266 | nla_put_failure: | |
10267 | genlmsg_cancel(msg, hdr); | |
10268 | nlmsg_free(msg); | |
10269 | } | |
10270 | ||
9588bbd5 JM |
10271 | static void nl80211_send_remain_on_chan_event( |
10272 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 10273 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 10274 | struct ieee80211_channel *chan, |
9588bbd5 JM |
10275 | unsigned int duration, gfp_t gfp) |
10276 | { | |
10277 | struct sk_buff *msg; | |
10278 | void *hdr; | |
10279 | ||
10280 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10281 | if (!msg) | |
10282 | return; | |
10283 | ||
10284 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10285 | if (!hdr) { | |
10286 | nlmsg_free(msg); | |
10287 | return; | |
10288 | } | |
10289 | ||
9360ffd1 | 10290 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10291 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10292 | wdev->netdev->ifindex)) || | |
00f53350 | 10293 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 10294 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
10295 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
10296 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
10297 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
10298 | goto nla_put_failure; | |
9588bbd5 | 10299 | |
9360ffd1 DM |
10300 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
10301 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
10302 | goto nla_put_failure; | |
9588bbd5 | 10303 | |
3b7b72ee | 10304 | genlmsg_end(msg, hdr); |
9588bbd5 JM |
10305 | |
10306 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10307 | nl80211_mlme_mcgrp.id, gfp); | |
10308 | return; | |
10309 | ||
10310 | nla_put_failure: | |
10311 | genlmsg_cancel(msg, hdr); | |
10312 | nlmsg_free(msg); | |
10313 | } | |
10314 | ||
947add36 JB |
10315 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
10316 | struct ieee80211_channel *chan, | |
10317 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 10318 | { |
947add36 JB |
10319 | struct wiphy *wiphy = wdev->wiphy; |
10320 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10321 | ||
10322 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 10323 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 10324 | rdev, wdev, cookie, chan, |
42d97a59 | 10325 | duration, gfp); |
9588bbd5 | 10326 | } |
947add36 | 10327 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 10328 | |
947add36 JB |
10329 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
10330 | struct ieee80211_channel *chan, | |
10331 | gfp_t gfp) | |
9588bbd5 | 10332 | { |
947add36 JB |
10333 | struct wiphy *wiphy = wdev->wiphy; |
10334 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10335 | ||
10336 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 10337 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 10338 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 10339 | } |
947add36 | 10340 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 10341 | |
947add36 JB |
10342 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
10343 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 10344 | { |
947add36 JB |
10345 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10346 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
98b62183 JB |
10347 | struct sk_buff *msg; |
10348 | ||
947add36 JB |
10349 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
10350 | ||
58050fce | 10351 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
10352 | if (!msg) |
10353 | return; | |
10354 | ||
66266b3a JL |
10355 | if (nl80211_send_station(msg, 0, 0, 0, |
10356 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
10357 | nlmsg_free(msg); |
10358 | return; | |
10359 | } | |
10360 | ||
10361 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10362 | nl80211_mlme_mcgrp.id, gfp); | |
10363 | } | |
947add36 | 10364 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 10365 | |
947add36 | 10366 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 10367 | { |
947add36 JB |
10368 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10369 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ec15e68b JM |
10370 | struct sk_buff *msg; |
10371 | void *hdr; | |
10372 | ||
947add36 JB |
10373 | trace_cfg80211_del_sta(dev, mac_addr); |
10374 | ||
58050fce | 10375 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
10376 | if (!msg) |
10377 | return; | |
10378 | ||
10379 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
10380 | if (!hdr) { | |
10381 | nlmsg_free(msg); | |
10382 | return; | |
10383 | } | |
10384 | ||
9360ffd1 DM |
10385 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10386 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
10387 | goto nla_put_failure; | |
ec15e68b | 10388 | |
3b7b72ee | 10389 | genlmsg_end(msg, hdr); |
ec15e68b JM |
10390 | |
10391 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10392 | nl80211_mlme_mcgrp.id, gfp); | |
10393 | return; | |
10394 | ||
10395 | nla_put_failure: | |
10396 | genlmsg_cancel(msg, hdr); | |
10397 | nlmsg_free(msg); | |
10398 | } | |
947add36 | 10399 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 10400 | |
947add36 JB |
10401 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
10402 | enum nl80211_connect_failed_reason reason, | |
10403 | gfp_t gfp) | |
ed44a951 | 10404 | { |
947add36 JB |
10405 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10406 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ed44a951 PP |
10407 | struct sk_buff *msg; |
10408 | void *hdr; | |
10409 | ||
10410 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10411 | if (!msg) | |
10412 | return; | |
10413 | ||
10414 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
10415 | if (!hdr) { | |
10416 | nlmsg_free(msg); | |
10417 | return; | |
10418 | } | |
10419 | ||
10420 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10421 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
10422 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
10423 | goto nla_put_failure; | |
10424 | ||
10425 | genlmsg_end(msg, hdr); | |
10426 | ||
10427 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10428 | nl80211_mlme_mcgrp.id, gfp); | |
10429 | return; | |
10430 | ||
10431 | nla_put_failure: | |
10432 | genlmsg_cancel(msg, hdr); | |
10433 | nlmsg_free(msg); | |
10434 | } | |
947add36 | 10435 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 10436 | |
b92ab5d8 JB |
10437 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
10438 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
10439 | { |
10440 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10441 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10442 | struct sk_buff *msg; | |
10443 | void *hdr; | |
15e47304 | 10444 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 10445 | |
15e47304 | 10446 | if (!nlportid) |
28946da7 JB |
10447 | return false; |
10448 | ||
10449 | msg = nlmsg_new(100, gfp); | |
10450 | if (!msg) | |
10451 | return true; | |
10452 | ||
b92ab5d8 | 10453 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
10454 | if (!hdr) { |
10455 | nlmsg_free(msg); | |
10456 | return true; | |
10457 | } | |
10458 | ||
9360ffd1 DM |
10459 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10460 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10461 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10462 | goto nla_put_failure; | |
28946da7 | 10463 | |
9c90a9f6 | 10464 | genlmsg_end(msg, hdr); |
15e47304 | 10465 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
10466 | return true; |
10467 | ||
10468 | nla_put_failure: | |
10469 | genlmsg_cancel(msg, hdr); | |
10470 | nlmsg_free(msg); | |
10471 | return true; | |
10472 | } | |
10473 | ||
947add36 JB |
10474 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
10475 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10476 | { |
947add36 JB |
10477 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10478 | bool ret; | |
10479 | ||
10480 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
10481 | ||
10482 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10483 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
10484 | trace_cfg80211_return_bool(false); | |
10485 | return false; | |
10486 | } | |
10487 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
10488 | addr, gfp); | |
10489 | trace_cfg80211_return_bool(ret); | |
10490 | return ret; | |
b92ab5d8 | 10491 | } |
947add36 | 10492 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 10493 | |
947add36 JB |
10494 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
10495 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10496 | { |
947add36 JB |
10497 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10498 | bool ret; | |
10499 | ||
10500 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
10501 | ||
10502 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10503 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
10504 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
10505 | trace_cfg80211_return_bool(false); | |
10506 | return false; | |
10507 | } | |
10508 | ret = __nl80211_unexpected_frame(dev, | |
10509 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
10510 | addr, gfp); | |
10511 | trace_cfg80211_return_bool(ret); | |
10512 | return ret; | |
b92ab5d8 | 10513 | } |
947add36 | 10514 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 10515 | |
2e161f78 | 10516 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 10517 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 10518 | int freq, int sig_dbm, |
19504cf5 | 10519 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 10520 | { |
71bbc994 | 10521 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10522 | struct sk_buff *msg; |
10523 | void *hdr; | |
026331c4 JM |
10524 | |
10525 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10526 | if (!msg) | |
10527 | return -ENOMEM; | |
10528 | ||
2e161f78 | 10529 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
10530 | if (!hdr) { |
10531 | nlmsg_free(msg); | |
10532 | return -ENOMEM; | |
10533 | } | |
10534 | ||
9360ffd1 | 10535 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10536 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10537 | netdev->ifindex)) || | |
a838490b | 10538 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10539 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
10540 | (sig_dbm && | |
10541 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
10542 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10543 | (flags && | |
10544 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 10545 | goto nla_put_failure; |
026331c4 | 10546 | |
3b7b72ee | 10547 | genlmsg_end(msg, hdr); |
026331c4 | 10548 | |
15e47304 | 10549 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
10550 | |
10551 | nla_put_failure: | |
10552 | genlmsg_cancel(msg, hdr); | |
10553 | nlmsg_free(msg); | |
10554 | return -ENOBUFS; | |
10555 | } | |
10556 | ||
947add36 JB |
10557 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
10558 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 10559 | { |
947add36 JB |
10560 | struct wiphy *wiphy = wdev->wiphy; |
10561 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
71bbc994 | 10562 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10563 | struct sk_buff *msg; |
10564 | void *hdr; | |
10565 | ||
947add36 JB |
10566 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
10567 | ||
026331c4 JM |
10568 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10569 | if (!msg) | |
10570 | return; | |
10571 | ||
2e161f78 | 10572 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
10573 | if (!hdr) { |
10574 | nlmsg_free(msg); | |
10575 | return; | |
10576 | } | |
10577 | ||
9360ffd1 | 10578 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10579 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10580 | netdev->ifindex)) || | |
a838490b | 10581 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10582 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10583 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
10584 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
10585 | goto nla_put_failure; | |
026331c4 | 10586 | |
3b7b72ee | 10587 | genlmsg_end(msg, hdr); |
026331c4 | 10588 | |
a0ec570f MK |
10589 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
10590 | nl80211_mlme_mcgrp.id, gfp); | |
026331c4 JM |
10591 | return; |
10592 | ||
10593 | nla_put_failure: | |
10594 | genlmsg_cancel(msg, hdr); | |
10595 | nlmsg_free(msg); | |
10596 | } | |
947add36 | 10597 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 10598 | |
947add36 JB |
10599 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
10600 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
10601 | gfp_t gfp) | |
d6dc1a38 | 10602 | { |
947add36 JB |
10603 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10604 | struct wiphy *wiphy = wdev->wiphy; | |
10605 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
d6dc1a38 JO |
10606 | struct sk_buff *msg; |
10607 | struct nlattr *pinfoattr; | |
10608 | void *hdr; | |
10609 | ||
947add36 JB |
10610 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
10611 | ||
58050fce | 10612 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
d6dc1a38 JO |
10613 | if (!msg) |
10614 | return; | |
10615 | ||
10616 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10617 | if (!hdr) { | |
10618 | nlmsg_free(msg); | |
10619 | return; | |
10620 | } | |
10621 | ||
9360ffd1 | 10622 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10623 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 10624 | goto nla_put_failure; |
d6dc1a38 JO |
10625 | |
10626 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10627 | if (!pinfoattr) | |
10628 | goto nla_put_failure; | |
10629 | ||
9360ffd1 DM |
10630 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
10631 | rssi_event)) | |
10632 | goto nla_put_failure; | |
d6dc1a38 JO |
10633 | |
10634 | nla_nest_end(msg, pinfoattr); | |
10635 | ||
3b7b72ee | 10636 | genlmsg_end(msg, hdr); |
d6dc1a38 JO |
10637 | |
10638 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10639 | nl80211_mlme_mcgrp.id, gfp); | |
10640 | return; | |
10641 | ||
10642 | nla_put_failure: | |
10643 | genlmsg_cancel(msg, hdr); | |
10644 | nlmsg_free(msg); | |
10645 | } | |
947add36 | 10646 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 10647 | |
947add36 JB |
10648 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
10649 | struct net_device *netdev, const u8 *bssid, | |
10650 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
10651 | { |
10652 | struct sk_buff *msg; | |
10653 | struct nlattr *rekey_attr; | |
10654 | void *hdr; | |
10655 | ||
58050fce | 10656 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
10657 | if (!msg) |
10658 | return; | |
10659 | ||
10660 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
10661 | if (!hdr) { | |
10662 | nlmsg_free(msg); | |
10663 | return; | |
10664 | } | |
10665 | ||
9360ffd1 DM |
10666 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10667 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10668 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10669 | goto nla_put_failure; | |
e5497d76 JB |
10670 | |
10671 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
10672 | if (!rekey_attr) | |
10673 | goto nla_put_failure; | |
10674 | ||
9360ffd1 DM |
10675 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
10676 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
10677 | goto nla_put_failure; | |
e5497d76 JB |
10678 | |
10679 | nla_nest_end(msg, rekey_attr); | |
10680 | ||
3b7b72ee | 10681 | genlmsg_end(msg, hdr); |
e5497d76 JB |
10682 | |
10683 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10684 | nl80211_mlme_mcgrp.id, gfp); | |
10685 | return; | |
10686 | ||
10687 | nla_put_failure: | |
10688 | genlmsg_cancel(msg, hdr); | |
10689 | nlmsg_free(msg); | |
10690 | } | |
10691 | ||
947add36 JB |
10692 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
10693 | const u8 *replay_ctr, gfp_t gfp) | |
10694 | { | |
10695 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10696 | struct wiphy *wiphy = wdev->wiphy; | |
10697 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10698 | ||
10699 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
10700 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
10701 | } | |
10702 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
10703 | ||
10704 | static void | |
10705 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
10706 | struct net_device *netdev, int index, | |
10707 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
10708 | { |
10709 | struct sk_buff *msg; | |
10710 | struct nlattr *attr; | |
10711 | void *hdr; | |
10712 | ||
58050fce | 10713 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
10714 | if (!msg) |
10715 | return; | |
10716 | ||
10717 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
10718 | if (!hdr) { | |
10719 | nlmsg_free(msg); | |
10720 | return; | |
10721 | } | |
10722 | ||
9360ffd1 DM |
10723 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10724 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
10725 | goto nla_put_failure; | |
c9df56b4 JM |
10726 | |
10727 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
10728 | if (!attr) | |
10729 | goto nla_put_failure; | |
10730 | ||
9360ffd1 DM |
10731 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
10732 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
10733 | (preauth && | |
10734 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
10735 | goto nla_put_failure; | |
c9df56b4 JM |
10736 | |
10737 | nla_nest_end(msg, attr); | |
10738 | ||
3b7b72ee | 10739 | genlmsg_end(msg, hdr); |
c9df56b4 JM |
10740 | |
10741 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10742 | nl80211_mlme_mcgrp.id, gfp); | |
10743 | return; | |
10744 | ||
10745 | nla_put_failure: | |
10746 | genlmsg_cancel(msg, hdr); | |
10747 | nlmsg_free(msg); | |
10748 | } | |
10749 | ||
947add36 JB |
10750 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
10751 | const u8 *bssid, bool preauth, gfp_t gfp) | |
10752 | { | |
10753 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10754 | struct wiphy *wiphy = wdev->wiphy; | |
10755 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10756 | ||
10757 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
10758 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
10759 | } | |
10760 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
10761 | ||
10762 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
10763 | struct net_device *netdev, | |
10764 | struct cfg80211_chan_def *chandef, | |
10765 | gfp_t gfp) | |
5314526b TP |
10766 | { |
10767 | struct sk_buff *msg; | |
10768 | void *hdr; | |
10769 | ||
58050fce | 10770 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
10771 | if (!msg) |
10772 | return; | |
10773 | ||
10774 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY); | |
10775 | if (!hdr) { | |
10776 | nlmsg_free(msg); | |
10777 | return; | |
10778 | } | |
10779 | ||
683b6d3b JB |
10780 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
10781 | goto nla_put_failure; | |
10782 | ||
10783 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 10784 | goto nla_put_failure; |
5314526b TP |
10785 | |
10786 | genlmsg_end(msg, hdr); | |
10787 | ||
10788 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10789 | nl80211_mlme_mcgrp.id, gfp); | |
10790 | return; | |
10791 | ||
10792 | nla_put_failure: | |
10793 | genlmsg_cancel(msg, hdr); | |
10794 | nlmsg_free(msg); | |
10795 | } | |
10796 | ||
947add36 JB |
10797 | void cfg80211_ch_switch_notify(struct net_device *dev, |
10798 | struct cfg80211_chan_def *chandef) | |
84f10708 | 10799 | { |
947add36 JB |
10800 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10801 | struct wiphy *wiphy = wdev->wiphy; | |
10802 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10803 | ||
10804 | trace_cfg80211_ch_switch_notify(dev, chandef); | |
10805 | ||
10806 | wdev_lock(wdev); | |
10807 | ||
10808 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
ee4bc9e7 | 10809 | wdev->iftype != NL80211_IFTYPE_P2P_GO && |
b8456a14 CYY |
10810 | wdev->iftype != NL80211_IFTYPE_ADHOC && |
10811 | wdev->iftype != NL80211_IFTYPE_MESH_POINT)) | |
947add36 JB |
10812 | goto out; |
10813 | ||
10814 | wdev->channel = chandef->chan; | |
10815 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); | |
10816 | out: | |
10817 | wdev_unlock(wdev); | |
10818 | return; | |
10819 | } | |
10820 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
10821 | ||
10822 | void cfg80211_cqm_txe_notify(struct net_device *dev, | |
10823 | const u8 *peer, u32 num_packets, | |
10824 | u32 rate, u32 intvl, gfp_t gfp) | |
10825 | { | |
10826 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10827 | struct wiphy *wiphy = wdev->wiphy; | |
10828 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
84f10708 TP |
10829 | struct sk_buff *msg; |
10830 | struct nlattr *pinfoattr; | |
10831 | void *hdr; | |
10832 | ||
10833 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10834 | if (!msg) | |
10835 | return; | |
10836 | ||
10837 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10838 | if (!hdr) { | |
10839 | nlmsg_free(msg); | |
10840 | return; | |
10841 | } | |
10842 | ||
10843 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
947add36 | 10844 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
84f10708 TP |
10845 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
10846 | goto nla_put_failure; | |
10847 | ||
10848 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10849 | if (!pinfoattr) | |
10850 | goto nla_put_failure; | |
10851 | ||
10852 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
10853 | goto nla_put_failure; | |
10854 | ||
10855 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
10856 | goto nla_put_failure; | |
10857 | ||
10858 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
10859 | goto nla_put_failure; | |
10860 | ||
10861 | nla_nest_end(msg, pinfoattr); | |
10862 | ||
10863 | genlmsg_end(msg, hdr); | |
10864 | ||
10865 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10866 | nl80211_mlme_mcgrp.id, gfp); | |
10867 | return; | |
10868 | ||
10869 | nla_put_failure: | |
10870 | genlmsg_cancel(msg, hdr); | |
10871 | nlmsg_free(msg); | |
10872 | } | |
947add36 | 10873 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); |
84f10708 | 10874 | |
04f39047 SW |
10875 | void |
10876 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 10877 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
10878 | enum nl80211_radar_event event, |
10879 | struct net_device *netdev, gfp_t gfp) | |
10880 | { | |
10881 | struct sk_buff *msg; | |
10882 | void *hdr; | |
10883 | ||
10884 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10885 | if (!msg) | |
10886 | return; | |
10887 | ||
10888 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
10889 | if (!hdr) { | |
10890 | nlmsg_free(msg); | |
10891 | return; | |
10892 | } | |
10893 | ||
10894 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
10895 | goto nla_put_failure; | |
10896 | ||
10897 | /* NOP and radar events don't need a netdev parameter */ | |
10898 | if (netdev) { | |
10899 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
10900 | ||
10901 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10902 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
10903 | goto nla_put_failure; | |
10904 | } | |
10905 | ||
10906 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
10907 | goto nla_put_failure; | |
10908 | ||
10909 | if (nl80211_send_chandef(msg, chandef)) | |
10910 | goto nla_put_failure; | |
10911 | ||
9c90a9f6 | 10912 | genlmsg_end(msg, hdr); |
04f39047 SW |
10913 | |
10914 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10915 | nl80211_mlme_mcgrp.id, gfp); | |
10916 | return; | |
10917 | ||
10918 | nla_put_failure: | |
10919 | genlmsg_cancel(msg, hdr); | |
10920 | nlmsg_free(msg); | |
10921 | } | |
10922 | ||
947add36 JB |
10923 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
10924 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
c063dbf5 | 10925 | { |
947add36 JB |
10926 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10927 | struct wiphy *wiphy = wdev->wiphy; | |
10928 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
c063dbf5 JB |
10929 | struct sk_buff *msg; |
10930 | struct nlattr *pinfoattr; | |
10931 | void *hdr; | |
10932 | ||
947add36 JB |
10933 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
10934 | ||
58050fce | 10935 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c063dbf5 JB |
10936 | if (!msg) |
10937 | return; | |
10938 | ||
10939 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10940 | if (!hdr) { | |
10941 | nlmsg_free(msg); | |
10942 | return; | |
10943 | } | |
10944 | ||
9360ffd1 | 10945 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10946 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9360ffd1 DM |
10947 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
10948 | goto nla_put_failure; | |
c063dbf5 JB |
10949 | |
10950 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10951 | if (!pinfoattr) | |
10952 | goto nla_put_failure; | |
10953 | ||
9360ffd1 DM |
10954 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) |
10955 | goto nla_put_failure; | |
c063dbf5 JB |
10956 | |
10957 | nla_nest_end(msg, pinfoattr); | |
10958 | ||
3b7b72ee | 10959 | genlmsg_end(msg, hdr); |
c063dbf5 JB |
10960 | |
10961 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10962 | nl80211_mlme_mcgrp.id, gfp); | |
10963 | return; | |
10964 | ||
10965 | nla_put_failure: | |
10966 | genlmsg_cancel(msg, hdr); | |
10967 | nlmsg_free(msg); | |
10968 | } | |
947add36 | 10969 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
c063dbf5 | 10970 | |
7f6cf311 JB |
10971 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
10972 | u64 cookie, bool acked, gfp_t gfp) | |
10973 | { | |
10974 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10975 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10976 | struct sk_buff *msg; | |
10977 | void *hdr; | |
7f6cf311 | 10978 | |
4ee3e063 BL |
10979 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
10980 | ||
58050fce | 10981 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 10982 | |
7f6cf311 JB |
10983 | if (!msg) |
10984 | return; | |
10985 | ||
10986 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
10987 | if (!hdr) { | |
10988 | nlmsg_free(msg); | |
10989 | return; | |
10990 | } | |
10991 | ||
9360ffd1 DM |
10992 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10993 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10994 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
10995 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
10996 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
10997 | goto nla_put_failure; | |
7f6cf311 | 10998 | |
9c90a9f6 | 10999 | genlmsg_end(msg, hdr); |
7f6cf311 JB |
11000 | |
11001 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
11002 | nl80211_mlme_mcgrp.id, gfp); | |
11003 | return; | |
11004 | ||
11005 | nla_put_failure: | |
11006 | genlmsg_cancel(msg, hdr); | |
11007 | nlmsg_free(msg); | |
11008 | } | |
11009 | EXPORT_SYMBOL(cfg80211_probe_status); | |
11010 | ||
5e760230 JB |
11011 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
11012 | const u8 *frame, size_t len, | |
37c73b5f | 11013 | int freq, int sig_dbm) |
5e760230 JB |
11014 | { |
11015 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11016 | struct sk_buff *msg; | |
11017 | void *hdr; | |
37c73b5f | 11018 | struct cfg80211_beacon_registration *reg; |
5e760230 | 11019 | |
4ee3e063 BL |
11020 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
11021 | ||
37c73b5f BG |
11022 | spin_lock_bh(&rdev->beacon_registrations_lock); |
11023 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
11024 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
11025 | if (!msg) { | |
11026 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
11027 | return; | |
11028 | } | |
5e760230 | 11029 | |
37c73b5f BG |
11030 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
11031 | if (!hdr) | |
11032 | goto nla_put_failure; | |
5e760230 | 11033 | |
37c73b5f BG |
11034 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11035 | (freq && | |
11036 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
11037 | (sig_dbm && | |
11038 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
11039 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
11040 | goto nla_put_failure; | |
5e760230 | 11041 | |
37c73b5f | 11042 | genlmsg_end(msg, hdr); |
5e760230 | 11043 | |
37c73b5f BG |
11044 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
11045 | } | |
11046 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
11047 | return; |
11048 | ||
11049 | nla_put_failure: | |
37c73b5f BG |
11050 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
11051 | if (hdr) | |
11052 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
11053 | nlmsg_free(msg); |
11054 | } | |
11055 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
11056 | ||
cd8f7cb4 JB |
11057 | #ifdef CONFIG_PM |
11058 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, | |
11059 | struct cfg80211_wowlan_wakeup *wakeup, | |
11060 | gfp_t gfp) | |
11061 | { | |
11062 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11063 | struct sk_buff *msg; | |
11064 | void *hdr; | |
9c90a9f6 | 11065 | int size = 200; |
cd8f7cb4 JB |
11066 | |
11067 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
11068 | ||
11069 | if (wakeup) | |
11070 | size += wakeup->packet_present_len; | |
11071 | ||
11072 | msg = nlmsg_new(size, gfp); | |
11073 | if (!msg) | |
11074 | return; | |
11075 | ||
11076 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
11077 | if (!hdr) | |
11078 | goto free_msg; | |
11079 | ||
11080 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11081 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11082 | goto free_msg; | |
11083 | ||
11084 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11085 | wdev->netdev->ifindex)) | |
11086 | goto free_msg; | |
11087 | ||
11088 | if (wakeup) { | |
11089 | struct nlattr *reasons; | |
11090 | ||
11091 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
11092 | ||
11093 | if (wakeup->disconnect && | |
11094 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
11095 | goto free_msg; | |
11096 | if (wakeup->magic_pkt && | |
11097 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
11098 | goto free_msg; | |
11099 | if (wakeup->gtk_rekey_failure && | |
11100 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
11101 | goto free_msg; | |
11102 | if (wakeup->eap_identity_req && | |
11103 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
11104 | goto free_msg; | |
11105 | if (wakeup->four_way_handshake && | |
11106 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
11107 | goto free_msg; | |
11108 | if (wakeup->rfkill_release && | |
11109 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
11110 | goto free_msg; | |
11111 | ||
11112 | if (wakeup->pattern_idx >= 0 && | |
11113 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
11114 | wakeup->pattern_idx)) | |
11115 | goto free_msg; | |
11116 | ||
2a0e047e JB |
11117 | if (wakeup->tcp_match) |
11118 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH); | |
11119 | ||
11120 | if (wakeup->tcp_connlost) | |
11121 | nla_put_flag(msg, | |
11122 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST); | |
11123 | ||
11124 | if (wakeup->tcp_nomoretokens) | |
11125 | nla_put_flag(msg, | |
11126 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS); | |
11127 | ||
cd8f7cb4 JB |
11128 | if (wakeup->packet) { |
11129 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
11130 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
11131 | ||
11132 | if (!wakeup->packet_80211) { | |
11133 | pkt_attr = | |
11134 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
11135 | len_attr = | |
11136 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
11137 | } | |
11138 | ||
11139 | if (wakeup->packet_len && | |
11140 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
11141 | goto free_msg; | |
11142 | ||
11143 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
11144 | wakeup->packet)) | |
11145 | goto free_msg; | |
11146 | } | |
11147 | ||
11148 | nla_nest_end(msg, reasons); | |
11149 | } | |
11150 | ||
9c90a9f6 | 11151 | genlmsg_end(msg, hdr); |
cd8f7cb4 JB |
11152 | |
11153 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
11154 | nl80211_mlme_mcgrp.id, gfp); | |
11155 | return; | |
11156 | ||
11157 | free_msg: | |
11158 | nlmsg_free(msg); | |
11159 | } | |
11160 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
11161 | #endif | |
11162 | ||
3475b094 JM |
11163 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
11164 | enum nl80211_tdls_operation oper, | |
11165 | u16 reason_code, gfp_t gfp) | |
11166 | { | |
11167 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11168 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11169 | struct sk_buff *msg; | |
11170 | void *hdr; | |
3475b094 JM |
11171 | |
11172 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
11173 | reason_code); | |
11174 | ||
11175 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11176 | if (!msg) | |
11177 | return; | |
11178 | ||
11179 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
11180 | if (!hdr) { | |
11181 | nlmsg_free(msg); | |
11182 | return; | |
11183 | } | |
11184 | ||
11185 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11186 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11187 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
11188 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
11189 | (reason_code > 0 && | |
11190 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
11191 | goto nla_put_failure; | |
11192 | ||
9c90a9f6 | 11193 | genlmsg_end(msg, hdr); |
3475b094 JM |
11194 | |
11195 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
11196 | nl80211_mlme_mcgrp.id, gfp); | |
11197 | return; | |
11198 | ||
11199 | nla_put_failure: | |
11200 | genlmsg_cancel(msg, hdr); | |
11201 | nlmsg_free(msg); | |
11202 | } | |
11203 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
11204 | ||
026331c4 JM |
11205 | static int nl80211_netlink_notify(struct notifier_block * nb, |
11206 | unsigned long state, | |
11207 | void *_notify) | |
11208 | { | |
11209 | struct netlink_notify *notify = _notify; | |
11210 | struct cfg80211_registered_device *rdev; | |
11211 | struct wireless_dev *wdev; | |
37c73b5f | 11212 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
11213 | |
11214 | if (state != NETLINK_URELEASE) | |
11215 | return NOTIFY_DONE; | |
11216 | ||
11217 | rcu_read_lock(); | |
11218 | ||
5e760230 | 11219 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
89a54e48 | 11220 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) |
15e47304 | 11221 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f BG |
11222 | |
11223 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
11224 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
11225 | list) { | |
11226 | if (reg->nlportid == notify->portid) { | |
11227 | list_del(®->list); | |
11228 | kfree(reg); | |
11229 | break; | |
11230 | } | |
11231 | } | |
11232 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 11233 | } |
026331c4 JM |
11234 | |
11235 | rcu_read_unlock(); | |
11236 | ||
11237 | return NOTIFY_DONE; | |
11238 | } | |
11239 | ||
11240 | static struct notifier_block nl80211_netlink_notifier = { | |
11241 | .notifier_call = nl80211_netlink_notify, | |
11242 | }; | |
11243 | ||
355199e0 JM |
11244 | void cfg80211_ft_event(struct net_device *netdev, |
11245 | struct cfg80211_ft_event_params *ft_event) | |
11246 | { | |
11247 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
11248 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11249 | struct sk_buff *msg; | |
11250 | void *hdr; | |
355199e0 JM |
11251 | |
11252 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
11253 | ||
11254 | if (!ft_event->target_ap) | |
11255 | return; | |
11256 | ||
11257 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11258 | if (!msg) | |
11259 | return; | |
11260 | ||
11261 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
11262 | if (!hdr) { | |
11263 | nlmsg_free(msg); | |
11264 | return; | |
11265 | } | |
11266 | ||
11267 | nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
11268 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
11269 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap); | |
11270 | if (ft_event->ies) | |
11271 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies); | |
11272 | if (ft_event->ric_ies) | |
11273 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
11274 | ft_event->ric_ies); | |
11275 | ||
9c90a9f6 | 11276 | genlmsg_end(msg, hdr); |
355199e0 JM |
11277 | |
11278 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
11279 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
11280 | } | |
11281 | EXPORT_SYMBOL(cfg80211_ft_event); | |
11282 | ||
5de17984 AS |
11283 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
11284 | { | |
11285 | struct cfg80211_registered_device *rdev; | |
11286 | struct sk_buff *msg; | |
11287 | void *hdr; | |
11288 | u32 nlportid; | |
11289 | ||
11290 | rdev = wiphy_to_dev(wdev->wiphy); | |
11291 | if (!rdev->crit_proto_nlportid) | |
11292 | return; | |
11293 | ||
11294 | nlportid = rdev->crit_proto_nlportid; | |
11295 | rdev->crit_proto_nlportid = 0; | |
11296 | ||
11297 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11298 | if (!msg) | |
11299 | return; | |
11300 | ||
11301 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
11302 | if (!hdr) | |
11303 | goto nla_put_failure; | |
11304 | ||
11305 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11306 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11307 | goto nla_put_failure; | |
11308 | ||
11309 | genlmsg_end(msg, hdr); | |
11310 | ||
11311 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
11312 | return; | |
11313 | ||
11314 | nla_put_failure: | |
11315 | if (hdr) | |
11316 | genlmsg_cancel(msg, hdr); | |
11317 | nlmsg_free(msg); | |
11318 | ||
11319 | } | |
11320 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
11321 | ||
55682965 JB |
11322 | /* initialisation/exit functions */ |
11323 | ||
11324 | int nl80211_init(void) | |
11325 | { | |
0d63cbb5 | 11326 | int err; |
55682965 | 11327 | |
0d63cbb5 MM |
11328 | err = genl_register_family_with_ops(&nl80211_fam, |
11329 | nl80211_ops, ARRAY_SIZE(nl80211_ops)); | |
55682965 JB |
11330 | if (err) |
11331 | return err; | |
11332 | ||
55682965 JB |
11333 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); |
11334 | if (err) | |
11335 | goto err_out; | |
11336 | ||
2a519311 JB |
11337 | err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); |
11338 | if (err) | |
11339 | goto err_out; | |
11340 | ||
73d54c9e LR |
11341 | err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); |
11342 | if (err) | |
11343 | goto err_out; | |
11344 | ||
6039f6d2 JM |
11345 | err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); |
11346 | if (err) | |
11347 | goto err_out; | |
11348 | ||
aff89a9b JB |
11349 | #ifdef CONFIG_NL80211_TESTMODE |
11350 | err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); | |
11351 | if (err) | |
11352 | goto err_out; | |
11353 | #endif | |
11354 | ||
026331c4 JM |
11355 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
11356 | if (err) | |
11357 | goto err_out; | |
11358 | ||
55682965 JB |
11359 | return 0; |
11360 | err_out: | |
11361 | genl_unregister_family(&nl80211_fam); | |
11362 | return err; | |
11363 | } | |
11364 | ||
11365 | void nl80211_exit(void) | |
11366 | { | |
026331c4 | 11367 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
11368 | genl_unregister_family(&nl80211_fam); |
11369 | } |