Commit | Line | Data |
---|---|---|
55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
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 }, | |
55682965 JB |
357 | }; |
358 | ||
e31b8213 | 359 | /* policy for the key attributes */ |
b54452b0 | 360 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 361 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
362 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
363 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 364 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
365 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
366 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 367 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
368 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
369 | }; | |
370 | ||
371 | /* policy for the key default flags */ | |
372 | static const struct nla_policy | |
373 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
374 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
375 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
376 | }; |
377 | ||
ff1b6e69 JB |
378 | /* policy for WoWLAN attributes */ |
379 | static const struct nla_policy | |
380 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
381 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
382 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
383 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
384 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
385 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
386 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
387 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
388 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e JB |
389 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
390 | }; | |
391 | ||
392 | static const struct nla_policy | |
393 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
394 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
395 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
396 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
397 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
398 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
399 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
400 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
401 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
402 | }, | |
403 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
404 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
405 | }, | |
406 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
407 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
408 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
409 | }; |
410 | ||
be29b99a AK |
411 | /* policy for coalesce rule attributes */ |
412 | static const struct nla_policy | |
413 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
414 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
415 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
416 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
417 | }; | |
418 | ||
e5497d76 JB |
419 | /* policy for GTK rekey offload attributes */ |
420 | static const struct nla_policy | |
421 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
422 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
423 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
424 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
425 | }; | |
426 | ||
a1f1c21c LC |
427 | static const struct nla_policy |
428 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 429 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 430 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 431 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
432 | }; |
433 | ||
97990a06 JB |
434 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
435 | struct netlink_callback *cb, | |
436 | struct cfg80211_registered_device **rdev, | |
437 | struct wireless_dev **wdev) | |
a043897a | 438 | { |
97990a06 | 439 | int err; |
a043897a | 440 | |
97990a06 | 441 | rtnl_lock(); |
a043897a | 442 | |
97990a06 JB |
443 | if (!cb->args[0]) { |
444 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
445 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
446 | nl80211_policy); | |
447 | if (err) | |
448 | goto out_unlock; | |
67748893 | 449 | |
97990a06 JB |
450 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
451 | nl80211_fam.attrbuf); | |
452 | if (IS_ERR(*wdev)) { | |
453 | err = PTR_ERR(*wdev); | |
454 | goto out_unlock; | |
455 | } | |
456 | *rdev = wiphy_to_dev((*wdev)->wiphy); | |
c319d50b JB |
457 | /* 0 is the first index - add 1 to parse only once */ |
458 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
459 | cb->args[1] = (*wdev)->identifier; |
460 | } else { | |
c319d50b JB |
461 | /* subtract the 1 again here */ |
462 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 463 | struct wireless_dev *tmp; |
67748893 | 464 | |
97990a06 JB |
465 | if (!wiphy) { |
466 | err = -ENODEV; | |
467 | goto out_unlock; | |
468 | } | |
469 | *rdev = wiphy_to_dev(wiphy); | |
470 | *wdev = NULL; | |
67748893 | 471 | |
97990a06 JB |
472 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { |
473 | if (tmp->identifier == cb->args[1]) { | |
474 | *wdev = tmp; | |
475 | break; | |
476 | } | |
477 | } | |
67748893 | 478 | |
97990a06 JB |
479 | if (!*wdev) { |
480 | err = -ENODEV; | |
481 | goto out_unlock; | |
482 | } | |
67748893 JB |
483 | } |
484 | ||
67748893 | 485 | return 0; |
97990a06 | 486 | out_unlock: |
67748893 JB |
487 | rtnl_unlock(); |
488 | return err; | |
489 | } | |
490 | ||
97990a06 | 491 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 492 | { |
67748893 JB |
493 | rtnl_unlock(); |
494 | } | |
495 | ||
f4a11bb0 JB |
496 | /* IE validation */ |
497 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
498 | { | |
499 | const u8 *pos; | |
500 | int len; | |
501 | ||
502 | if (!attr) | |
503 | return true; | |
504 | ||
505 | pos = nla_data(attr); | |
506 | len = nla_len(attr); | |
507 | ||
508 | while (len) { | |
509 | u8 elemlen; | |
510 | ||
511 | if (len < 2) | |
512 | return false; | |
513 | len -= 2; | |
514 | ||
515 | elemlen = pos[1]; | |
516 | if (elemlen > len) | |
517 | return false; | |
518 | ||
519 | len -= elemlen; | |
520 | pos += 2 + elemlen; | |
521 | } | |
522 | ||
523 | return true; | |
524 | } | |
525 | ||
55682965 | 526 | /* message building helper */ |
15e47304 | 527 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
528 | int flags, u8 cmd) |
529 | { | |
530 | /* since there is no private header just add the generic one */ | |
15e47304 | 531 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
532 | } |
533 | ||
5dab3b8a | 534 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
535 | struct ieee80211_channel *chan, |
536 | bool large) | |
5dab3b8a | 537 | { |
9360ffd1 DM |
538 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
539 | chan->center_freq)) | |
540 | goto nla_put_failure; | |
5dab3b8a | 541 | |
9360ffd1 DM |
542 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
543 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
544 | goto nla_put_failure; | |
545 | if ((chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) && | |
546 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN)) | |
547 | goto nla_put_failure; | |
548 | if ((chan->flags & IEEE80211_CHAN_NO_IBSS) && | |
549 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
550 | goto nla_put_failure; | |
cdc89b97 JB |
551 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
552 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
553 | goto nla_put_failure; | |
554 | if (large) { | |
555 | u32 time; | |
556 | ||
557 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
558 | ||
559 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
560 | chan->dfs_state)) | |
561 | goto nla_put_failure; | |
562 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
563 | time)) | |
564 | goto nla_put_failure; | |
565 | } | |
566 | } | |
5dab3b8a | 567 | |
fe1abafd JB |
568 | if (large) { |
569 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
570 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
571 | goto nla_put_failure; | |
572 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
573 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
574 | goto nla_put_failure; | |
575 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
576 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
577 | goto nla_put_failure; | |
578 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
579 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
580 | goto nla_put_failure; | |
581 | } | |
582 | ||
9360ffd1 DM |
583 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
584 | DBM_TO_MBM(chan->max_power))) | |
585 | goto nla_put_failure; | |
5dab3b8a LR |
586 | |
587 | return 0; | |
588 | ||
589 | nla_put_failure: | |
590 | return -ENOBUFS; | |
591 | } | |
592 | ||
55682965 JB |
593 | /* netlink command implementations */ |
594 | ||
b9454e83 JB |
595 | struct key_parse { |
596 | struct key_params p; | |
597 | int idx; | |
e31b8213 | 598 | int type; |
b9454e83 | 599 | bool def, defmgmt; |
dbd2fd65 | 600 | bool def_uni, def_multi; |
b9454e83 JB |
601 | }; |
602 | ||
603 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
604 | { | |
605 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
606 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
607 | nl80211_key_policy); | |
608 | if (err) | |
609 | return err; | |
610 | ||
611 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
612 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
613 | ||
dbd2fd65 JB |
614 | if (k->def) { |
615 | k->def_uni = true; | |
616 | k->def_multi = true; | |
617 | } | |
618 | if (k->defmgmt) | |
619 | k->def_multi = true; | |
620 | ||
b9454e83 JB |
621 | if (tb[NL80211_KEY_IDX]) |
622 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
623 | ||
624 | if (tb[NL80211_KEY_DATA]) { | |
625 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
626 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
627 | } | |
628 | ||
629 | if (tb[NL80211_KEY_SEQ]) { | |
630 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
631 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
632 | } | |
633 | ||
634 | if (tb[NL80211_KEY_CIPHER]) | |
635 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
636 | ||
e31b8213 JB |
637 | if (tb[NL80211_KEY_TYPE]) { |
638 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
639 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
640 | return -EINVAL; | |
641 | } | |
642 | ||
dbd2fd65 JB |
643 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
644 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
645 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
646 | tb[NL80211_KEY_DEFAULT_TYPES], | |
647 | nl80211_key_default_policy); | |
dbd2fd65 JB |
648 | if (err) |
649 | return err; | |
650 | ||
651 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
652 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
653 | } | |
654 | ||
b9454e83 JB |
655 | return 0; |
656 | } | |
657 | ||
658 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
659 | { | |
660 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
661 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
662 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
663 | } | |
664 | ||
665 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
666 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
667 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
668 | } | |
669 | ||
670 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
671 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
672 | ||
673 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
674 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
675 | ||
676 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
677 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
678 | ||
dbd2fd65 JB |
679 | if (k->def) { |
680 | k->def_uni = true; | |
681 | k->def_multi = true; | |
682 | } | |
683 | if (k->defmgmt) | |
684 | k->def_multi = true; | |
685 | ||
e31b8213 JB |
686 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
687 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
688 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
689 | return -EINVAL; | |
690 | } | |
691 | ||
dbd2fd65 JB |
692 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
693 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
694 | int err = nla_parse_nested( | |
695 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
696 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
697 | nl80211_key_default_policy); | |
698 | if (err) | |
699 | return err; | |
700 | ||
701 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
702 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
703 | } | |
704 | ||
b9454e83 JB |
705 | return 0; |
706 | } | |
707 | ||
708 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
709 | { | |
710 | int err; | |
711 | ||
712 | memset(k, 0, sizeof(*k)); | |
713 | k->idx = -1; | |
e31b8213 | 714 | k->type = -1; |
b9454e83 JB |
715 | |
716 | if (info->attrs[NL80211_ATTR_KEY]) | |
717 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
718 | else | |
719 | err = nl80211_parse_key_old(info, k); | |
720 | ||
721 | if (err) | |
722 | return err; | |
723 | ||
724 | if (k->def && k->defmgmt) | |
725 | return -EINVAL; | |
726 | ||
dbd2fd65 JB |
727 | if (k->defmgmt) { |
728 | if (k->def_uni || !k->def_multi) | |
729 | return -EINVAL; | |
730 | } | |
731 | ||
b9454e83 JB |
732 | if (k->idx != -1) { |
733 | if (k->defmgmt) { | |
734 | if (k->idx < 4 || k->idx > 5) | |
735 | return -EINVAL; | |
736 | } else if (k->def) { | |
737 | if (k->idx < 0 || k->idx > 3) | |
738 | return -EINVAL; | |
739 | } else { | |
740 | if (k->idx < 0 || k->idx > 5) | |
741 | return -EINVAL; | |
742 | } | |
743 | } | |
744 | ||
745 | return 0; | |
746 | } | |
747 | ||
fffd0934 JB |
748 | static struct cfg80211_cached_keys * |
749 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 750 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
751 | { |
752 | struct key_parse parse; | |
753 | struct nlattr *key; | |
754 | struct cfg80211_cached_keys *result; | |
755 | int rem, err, def = 0; | |
756 | ||
757 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
758 | if (!result) | |
759 | return ERR_PTR(-ENOMEM); | |
760 | ||
761 | result->def = -1; | |
762 | result->defmgmt = -1; | |
763 | ||
764 | nla_for_each_nested(key, keys, rem) { | |
765 | memset(&parse, 0, sizeof(parse)); | |
766 | parse.idx = -1; | |
767 | ||
768 | err = nl80211_parse_key_new(key, &parse); | |
769 | if (err) | |
770 | goto error; | |
771 | err = -EINVAL; | |
772 | if (!parse.p.key) | |
773 | goto error; | |
774 | if (parse.idx < 0 || parse.idx > 4) | |
775 | goto error; | |
776 | if (parse.def) { | |
777 | if (def) | |
778 | goto error; | |
779 | def = 1; | |
780 | result->def = parse.idx; | |
dbd2fd65 JB |
781 | if (!parse.def_uni || !parse.def_multi) |
782 | goto error; | |
fffd0934 JB |
783 | } else if (parse.defmgmt) |
784 | goto error; | |
785 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 786 | parse.idx, false, NULL); |
fffd0934 JB |
787 | if (err) |
788 | goto error; | |
789 | result->params[parse.idx].cipher = parse.p.cipher; | |
790 | result->params[parse.idx].key_len = parse.p.key_len; | |
791 | result->params[parse.idx].key = result->data[parse.idx]; | |
792 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
793 | |
794 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
795 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
796 | if (no_ht) | |
797 | *no_ht = true; | |
798 | } | |
fffd0934 JB |
799 | } |
800 | ||
801 | return result; | |
802 | error: | |
803 | kfree(result); | |
804 | return ERR_PTR(err); | |
805 | } | |
806 | ||
807 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
808 | { | |
809 | ASSERT_WDEV_LOCK(wdev); | |
810 | ||
fffd0934 JB |
811 | switch (wdev->iftype) { |
812 | case NL80211_IFTYPE_AP: | |
813 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 814 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 815 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
816 | break; |
817 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 818 | case NL80211_IFTYPE_STATION: |
074ac8df | 819 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 820 | if (!wdev->current_bss) |
fffd0934 JB |
821 | return -ENOLINK; |
822 | break; | |
823 | default: | |
824 | return -EINVAL; | |
825 | } | |
826 | ||
827 | return 0; | |
828 | } | |
829 | ||
7527a782 JB |
830 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
831 | { | |
832 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
833 | int i; | |
834 | ||
835 | if (!nl_modes) | |
836 | goto nla_put_failure; | |
837 | ||
838 | i = 0; | |
839 | while (ifmodes) { | |
9360ffd1 DM |
840 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
841 | goto nla_put_failure; | |
7527a782 JB |
842 | ifmodes >>= 1; |
843 | i++; | |
844 | } | |
845 | ||
846 | nla_nest_end(msg, nl_modes); | |
847 | return 0; | |
848 | ||
849 | nla_put_failure: | |
850 | return -ENOBUFS; | |
851 | } | |
852 | ||
853 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
854 | struct sk_buff *msg, |
855 | bool large) | |
7527a782 JB |
856 | { |
857 | struct nlattr *nl_combis; | |
858 | int i, j; | |
859 | ||
860 | nl_combis = nla_nest_start(msg, | |
861 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
862 | if (!nl_combis) | |
863 | goto nla_put_failure; | |
864 | ||
865 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
866 | const struct ieee80211_iface_combination *c; | |
867 | struct nlattr *nl_combi, *nl_limits; | |
868 | ||
869 | c = &wiphy->iface_combinations[i]; | |
870 | ||
871 | nl_combi = nla_nest_start(msg, i + 1); | |
872 | if (!nl_combi) | |
873 | goto nla_put_failure; | |
874 | ||
875 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
876 | if (!nl_limits) | |
877 | goto nla_put_failure; | |
878 | ||
879 | for (j = 0; j < c->n_limits; j++) { | |
880 | struct nlattr *nl_limit; | |
881 | ||
882 | nl_limit = nla_nest_start(msg, j + 1); | |
883 | if (!nl_limit) | |
884 | goto nla_put_failure; | |
9360ffd1 DM |
885 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
886 | c->limits[j].max)) | |
887 | goto nla_put_failure; | |
7527a782 JB |
888 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
889 | c->limits[j].types)) | |
890 | goto nla_put_failure; | |
891 | nla_nest_end(msg, nl_limit); | |
892 | } | |
893 | ||
894 | nla_nest_end(msg, nl_limits); | |
895 | ||
9360ffd1 DM |
896 | if (c->beacon_int_infra_match && |
897 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
898 | goto nla_put_failure; | |
899 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
900 | c->num_different_channels) || | |
901 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
902 | c->max_interfaces)) | |
903 | goto nla_put_failure; | |
cdc89b97 JB |
904 | if (large && |
905 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, | |
906 | c->radar_detect_widths)) | |
907 | goto nla_put_failure; | |
7527a782 JB |
908 | |
909 | nla_nest_end(msg, nl_combi); | |
910 | } | |
911 | ||
912 | nla_nest_end(msg, nl_combis); | |
913 | ||
914 | return 0; | |
915 | nla_put_failure: | |
916 | return -ENOBUFS; | |
917 | } | |
918 | ||
3713b4e3 | 919 | #ifdef CONFIG_PM |
b56cf720 JB |
920 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
921 | struct sk_buff *msg) | |
922 | { | |
964dc9e2 | 923 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
924 | struct nlattr *nl_tcp; |
925 | ||
926 | if (!tcp) | |
927 | return 0; | |
928 | ||
929 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
930 | if (!nl_tcp) | |
931 | return -ENOBUFS; | |
932 | ||
933 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
934 | tcp->data_payload_max)) | |
935 | return -ENOBUFS; | |
936 | ||
937 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
938 | tcp->data_payload_max)) | |
939 | return -ENOBUFS; | |
940 | ||
941 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
942 | return -ENOBUFS; | |
943 | ||
944 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
945 | sizeof(*tcp->tok), tcp->tok)) | |
946 | return -ENOBUFS; | |
947 | ||
948 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
949 | tcp->data_interval_max)) | |
950 | return -ENOBUFS; | |
951 | ||
952 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
953 | tcp->wake_payload_max)) | |
954 | return -ENOBUFS; | |
955 | ||
956 | nla_nest_end(msg, nl_tcp); | |
957 | return 0; | |
958 | } | |
959 | ||
3713b4e3 | 960 | static int nl80211_send_wowlan(struct sk_buff *msg, |
b56cf720 JB |
961 | struct cfg80211_registered_device *dev, |
962 | bool large) | |
55682965 | 963 | { |
3713b4e3 | 964 | struct nlattr *nl_wowlan; |
55682965 | 965 | |
964dc9e2 | 966 | if (!dev->wiphy.wowlan) |
3713b4e3 | 967 | return 0; |
55682965 | 968 | |
3713b4e3 JB |
969 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
970 | if (!nl_wowlan) | |
971 | return -ENOBUFS; | |
9360ffd1 | 972 | |
964dc9e2 | 973 | if (((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 974 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
964dc9e2 | 975 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 976 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
964dc9e2 | 977 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 978 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
964dc9e2 | 979 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 980 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
964dc9e2 | 981 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 982 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
964dc9e2 | 983 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 984 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
964dc9e2 | 985 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 986 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
964dc9e2 | 987 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
988 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
989 | return -ENOBUFS; | |
9360ffd1 | 990 | |
964dc9e2 | 991 | if (dev->wiphy.wowlan->n_patterns) { |
50ac6607 | 992 | struct nl80211_pattern_support pat = { |
964dc9e2 JB |
993 | .max_patterns = dev->wiphy.wowlan->n_patterns, |
994 | .min_pattern_len = dev->wiphy.wowlan->pattern_min_len, | |
995 | .max_pattern_len = dev->wiphy.wowlan->pattern_max_len, | |
996 | .max_pkt_offset = dev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 997 | }; |
9360ffd1 | 998 | |
3713b4e3 JB |
999 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1000 | sizeof(pat), &pat)) | |
1001 | return -ENOBUFS; | |
1002 | } | |
9360ffd1 | 1003 | |
b56cf720 JB |
1004 | if (large && nl80211_send_wowlan_tcp_caps(dev, msg)) |
1005 | return -ENOBUFS; | |
1006 | ||
3713b4e3 | 1007 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1008 | |
3713b4e3 JB |
1009 | return 0; |
1010 | } | |
1011 | #endif | |
9360ffd1 | 1012 | |
be29b99a AK |
1013 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1014 | struct cfg80211_registered_device *dev) | |
1015 | { | |
1016 | struct nl80211_coalesce_rule_support rule; | |
1017 | ||
1018 | if (!dev->wiphy.coalesce) | |
1019 | return 0; | |
1020 | ||
1021 | rule.max_rules = dev->wiphy.coalesce->n_rules; | |
1022 | rule.max_delay = dev->wiphy.coalesce->max_delay; | |
1023 | rule.pat.max_patterns = dev->wiphy.coalesce->n_patterns; | |
1024 | rule.pat.min_pattern_len = dev->wiphy.coalesce->pattern_min_len; | |
1025 | rule.pat.max_pattern_len = dev->wiphy.coalesce->pattern_max_len; | |
1026 | rule.pat.max_pkt_offset = dev->wiphy.coalesce->max_pkt_offset; | |
1027 | ||
1028 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1029 | return -ENOBUFS; | |
1030 | ||
1031 | return 0; | |
1032 | } | |
1033 | ||
3713b4e3 JB |
1034 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1035 | struct ieee80211_supported_band *sband) | |
1036 | { | |
1037 | struct nlattr *nl_rates, *nl_rate; | |
1038 | struct ieee80211_rate *rate; | |
1039 | int i; | |
87bbbe22 | 1040 | |
3713b4e3 JB |
1041 | /* add HT info */ |
1042 | if (sband->ht_cap.ht_supported && | |
1043 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1044 | sizeof(sband->ht_cap.mcs), | |
1045 | &sband->ht_cap.mcs) || | |
1046 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1047 | sband->ht_cap.cap) || | |
1048 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1049 | sband->ht_cap.ampdu_factor) || | |
1050 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1051 | sband->ht_cap.ampdu_density))) | |
1052 | return -ENOBUFS; | |
afe0cbf8 | 1053 | |
3713b4e3 JB |
1054 | /* add VHT info */ |
1055 | if (sband->vht_cap.vht_supported && | |
1056 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1057 | sizeof(sband->vht_cap.vht_mcs), | |
1058 | &sband->vht_cap.vht_mcs) || | |
1059 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1060 | sband->vht_cap.cap))) | |
1061 | return -ENOBUFS; | |
f59ac048 | 1062 | |
3713b4e3 JB |
1063 | /* add bitrates */ |
1064 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1065 | if (!nl_rates) | |
1066 | return -ENOBUFS; | |
ee688b00 | 1067 | |
3713b4e3 JB |
1068 | for (i = 0; i < sband->n_bitrates; i++) { |
1069 | nl_rate = nla_nest_start(msg, i); | |
1070 | if (!nl_rate) | |
1071 | return -ENOBUFS; | |
ee688b00 | 1072 | |
3713b4e3 JB |
1073 | rate = &sband->bitrates[i]; |
1074 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1075 | rate->bitrate)) | |
1076 | return -ENOBUFS; | |
1077 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1078 | nla_put_flag(msg, | |
1079 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1080 | return -ENOBUFS; | |
ee688b00 | 1081 | |
3713b4e3 JB |
1082 | nla_nest_end(msg, nl_rate); |
1083 | } | |
d51626df | 1084 | |
3713b4e3 | 1085 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1086 | |
3713b4e3 JB |
1087 | return 0; |
1088 | } | |
ee688b00 | 1089 | |
3713b4e3 JB |
1090 | static int |
1091 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1092 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1093 | { | |
1094 | u16 stypes; | |
1095 | struct nlattr *nl_ftypes, *nl_ifs; | |
1096 | enum nl80211_iftype ift; | |
1097 | int i; | |
ee688b00 | 1098 | |
3713b4e3 JB |
1099 | if (!mgmt_stypes) |
1100 | return 0; | |
5dab3b8a | 1101 | |
3713b4e3 JB |
1102 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1103 | if (!nl_ifs) | |
1104 | return -ENOBUFS; | |
e2f367f2 | 1105 | |
3713b4e3 JB |
1106 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1107 | nl_ftypes = nla_nest_start(msg, ift); | |
1108 | if (!nl_ftypes) | |
1109 | return -ENOBUFS; | |
1110 | i = 0; | |
1111 | stypes = mgmt_stypes[ift].tx; | |
1112 | while (stypes) { | |
1113 | if ((stypes & 1) && | |
1114 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1115 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1116 | return -ENOBUFS; | |
1117 | stypes >>= 1; | |
1118 | i++; | |
ee688b00 | 1119 | } |
3713b4e3 JB |
1120 | nla_nest_end(msg, nl_ftypes); |
1121 | } | |
ee688b00 | 1122 | |
3713b4e3 | 1123 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1124 | |
3713b4e3 JB |
1125 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1126 | if (!nl_ifs) | |
1127 | return -ENOBUFS; | |
ee688b00 | 1128 | |
3713b4e3 JB |
1129 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1130 | nl_ftypes = nla_nest_start(msg, ift); | |
1131 | if (!nl_ftypes) | |
1132 | return -ENOBUFS; | |
1133 | i = 0; | |
1134 | stypes = mgmt_stypes[ift].rx; | |
1135 | while (stypes) { | |
1136 | if ((stypes & 1) && | |
1137 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1138 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1139 | return -ENOBUFS; | |
1140 | stypes >>= 1; | |
1141 | i++; | |
1142 | } | |
1143 | nla_nest_end(msg, nl_ftypes); | |
1144 | } | |
1145 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1146 | |
3713b4e3 JB |
1147 | return 0; |
1148 | } | |
ee688b00 | 1149 | |
86e8cf98 JB |
1150 | struct nl80211_dump_wiphy_state { |
1151 | s64 filter_wiphy; | |
1152 | long start; | |
1153 | long split_start, band_start, chan_start; | |
1154 | bool split; | |
1155 | }; | |
1156 | ||
3713b4e3 JB |
1157 | static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, |
1158 | struct sk_buff *msg, u32 portid, u32 seq, | |
86e8cf98 | 1159 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1160 | { |
1161 | void *hdr; | |
1162 | struct nlattr *nl_bands, *nl_band; | |
1163 | struct nlattr *nl_freqs, *nl_freq; | |
1164 | struct nlattr *nl_cmds; | |
1165 | enum ieee80211_band band; | |
1166 | struct ieee80211_channel *chan; | |
1167 | int i; | |
1168 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1169 | dev->wiphy.mgmt_stypes; | |
fe1abafd | 1170 | u32 features; |
ee688b00 | 1171 | |
3713b4e3 JB |
1172 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); |
1173 | if (!hdr) | |
1174 | return -ENOBUFS; | |
ee688b00 | 1175 | |
86e8cf98 JB |
1176 | if (WARN_ON(!state)) |
1177 | return -EINVAL; | |
ee688b00 | 1178 | |
3713b4e3 JB |
1179 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) || |
1180 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, | |
1181 | wiphy_name(&dev->wiphy)) || | |
1182 | nla_put_u32(msg, NL80211_ATTR_GENERATION, | |
1183 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1184 | goto nla_put_failure; |
1185 | ||
86e8cf98 | 1186 | switch (state->split_start) { |
3713b4e3 JB |
1187 | case 0: |
1188 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1189 | dev->wiphy.retry_short) || | |
1190 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
1191 | dev->wiphy.retry_long) || | |
1192 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
1193 | dev->wiphy.frag_threshold) || | |
1194 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
1195 | dev->wiphy.rts_threshold) || | |
1196 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, | |
1197 | dev->wiphy.coverage_class) || | |
1198 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, | |
1199 | dev->wiphy.max_scan_ssids) || | |
1200 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, | |
1201 | dev->wiphy.max_sched_scan_ssids) || | |
1202 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, | |
1203 | dev->wiphy.max_scan_ie_len) || | |
1204 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, | |
1205 | dev->wiphy.max_sched_scan_ie_len) || | |
1206 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, | |
1207 | dev->wiphy.max_match_sets)) | |
9360ffd1 | 1208 | goto nla_put_failure; |
3713b4e3 JB |
1209 | |
1210 | if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && | |
1211 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) | |
aa430da4 | 1212 | goto nla_put_failure; |
3713b4e3 JB |
1213 | if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
1214 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) | |
1215 | goto nla_put_failure; | |
1216 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && | |
1217 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) | |
1218 | goto nla_put_failure; | |
1219 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && | |
1220 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) | |
1221 | goto nla_put_failure; | |
1222 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && | |
1223 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) | |
1224 | goto nla_put_failure; | |
1225 | if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && | |
1226 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) | |
9360ffd1 | 1227 | goto nla_put_failure; |
2f301ab2 SW |
1228 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
1229 | nla_put_flag(msg, WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1230 | goto nla_put_failure; | |
8fdc621d | 1231 | |
86e8cf98 JB |
1232 | state->split_start++; |
1233 | if (state->split) | |
3713b4e3 JB |
1234 | break; |
1235 | case 1: | |
1236 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1237 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
1238 | dev->wiphy.cipher_suites)) | |
1239 | goto nla_put_failure; | |
4745fc09 | 1240 | |
3713b4e3 JB |
1241 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1242 | dev->wiphy.max_num_pmkids)) | |
1243 | goto nla_put_failure; | |
b23aa676 | 1244 | |
3713b4e3 JB |
1245 | if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
1246 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) | |
9360ffd1 | 1247 | goto nla_put_failure; |
b23aa676 | 1248 | |
3713b4e3 JB |
1249 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1250 | dev->wiphy.available_antennas_tx) || | |
1251 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
1252 | dev->wiphy.available_antennas_rx)) | |
9360ffd1 | 1253 | goto nla_put_failure; |
b23aa676 | 1254 | |
3713b4e3 JB |
1255 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
1256 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, | |
1257 | dev->wiphy.probe_resp_offload)) | |
1258 | goto nla_put_failure; | |
8fdc621d | 1259 | |
3713b4e3 JB |
1260 | if ((dev->wiphy.available_antennas_tx || |
1261 | dev->wiphy.available_antennas_rx) && | |
1262 | dev->ops->get_antenna) { | |
1263 | u32 tx_ant = 0, rx_ant = 0; | |
1264 | int res; | |
1265 | res = rdev_get_antenna(dev, &tx_ant, &rx_ant); | |
1266 | if (!res) { | |
1267 | if (nla_put_u32(msg, | |
1268 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1269 | tx_ant) || | |
1270 | nla_put_u32(msg, | |
1271 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1272 | rx_ant)) | |
1273 | goto nla_put_failure; | |
1274 | } | |
1275 | } | |
a293911d | 1276 | |
86e8cf98 JB |
1277 | state->split_start++; |
1278 | if (state->split) | |
3713b4e3 JB |
1279 | break; |
1280 | case 2: | |
1281 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1282 | dev->wiphy.interface_modes)) | |
1283 | goto nla_put_failure; | |
86e8cf98 JB |
1284 | state->split_start++; |
1285 | if (state->split) | |
3713b4e3 JB |
1286 | break; |
1287 | case 3: | |
1288 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1289 | if (!nl_bands) | |
1290 | goto nla_put_failure; | |
f7ca38df | 1291 | |
86e8cf98 JB |
1292 | for (band = state->band_start; |
1293 | band < IEEE80211_NUM_BANDS; band++) { | |
3713b4e3 | 1294 | struct ieee80211_supported_band *sband; |
2e161f78 | 1295 | |
3713b4e3 | 1296 | sband = dev->wiphy.bands[band]; |
2e161f78 | 1297 | |
3713b4e3 JB |
1298 | if (!sband) |
1299 | continue; | |
1300 | ||
1301 | nl_band = nla_nest_start(msg, band); | |
1302 | if (!nl_band) | |
2e161f78 | 1303 | goto nla_put_failure; |
3713b4e3 | 1304 | |
86e8cf98 | 1305 | switch (state->chan_start) { |
3713b4e3 JB |
1306 | case 0: |
1307 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1308 | goto nla_put_failure; |
86e8cf98 JB |
1309 | state->chan_start++; |
1310 | if (state->split) | |
3713b4e3 JB |
1311 | break; |
1312 | default: | |
1313 | /* add frequencies */ | |
1314 | nl_freqs = nla_nest_start( | |
1315 | msg, NL80211_BAND_ATTR_FREQS); | |
1316 | if (!nl_freqs) | |
1317 | goto nla_put_failure; | |
1318 | ||
86e8cf98 | 1319 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1320 | i < sband->n_channels; |
1321 | i++) { | |
1322 | nl_freq = nla_nest_start(msg, i); | |
1323 | if (!nl_freq) | |
1324 | goto nla_put_failure; | |
1325 | ||
1326 | chan = &sband->channels[i]; | |
1327 | ||
86e8cf98 JB |
1328 | if (nl80211_msg_put_channel( |
1329 | msg, chan, | |
1330 | state->split)) | |
3713b4e3 JB |
1331 | goto nla_put_failure; |
1332 | ||
1333 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1334 | if (state->split) |
3713b4e3 JB |
1335 | break; |
1336 | } | |
1337 | if (i < sband->n_channels) | |
86e8cf98 | 1338 | state->chan_start = i + 2; |
3713b4e3 | 1339 | else |
86e8cf98 | 1340 | state->chan_start = 0; |
3713b4e3 JB |
1341 | nla_nest_end(msg, nl_freqs); |
1342 | } | |
1343 | ||
1344 | nla_nest_end(msg, nl_band); | |
1345 | ||
86e8cf98 | 1346 | if (state->split) { |
3713b4e3 | 1347 | /* start again here */ |
86e8cf98 | 1348 | if (state->chan_start) |
3713b4e3 JB |
1349 | band--; |
1350 | break; | |
2e161f78 | 1351 | } |
2e161f78 | 1352 | } |
3713b4e3 | 1353 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1354 | |
3713b4e3 | 1355 | if (band < IEEE80211_NUM_BANDS) |
86e8cf98 | 1356 | state->band_start = band + 1; |
3713b4e3 | 1357 | else |
86e8cf98 | 1358 | state->band_start = 0; |
74b70a4e | 1359 | |
3713b4e3 | 1360 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1361 | if (state->band_start == 0 && state->chan_start == 0) |
1362 | state->split_start++; | |
1363 | if (state->split) | |
3713b4e3 JB |
1364 | break; |
1365 | case 4: | |
1366 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1367 | if (!nl_cmds) | |
2e161f78 JB |
1368 | goto nla_put_failure; |
1369 | ||
3713b4e3 JB |
1370 | i = 0; |
1371 | #define CMD(op, n) \ | |
1372 | do { \ | |
1373 | if (dev->ops->op) { \ | |
1374 | i++; \ | |
1375 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1376 | goto nla_put_failure; \ | |
1377 | } \ | |
1378 | } while (0) | |
1379 | ||
1380 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1381 | CMD(change_virtual_intf, SET_INTERFACE); | |
1382 | CMD(add_key, NEW_KEY); | |
1383 | CMD(start_ap, START_AP); | |
1384 | CMD(add_station, NEW_STATION); | |
1385 | CMD(add_mpath, NEW_MPATH); | |
1386 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1387 | CMD(change_bss, SET_BSS); | |
1388 | CMD(auth, AUTHENTICATE); | |
1389 | CMD(assoc, ASSOCIATE); | |
1390 | CMD(deauth, DEAUTHENTICATE); | |
1391 | CMD(disassoc, DISASSOCIATE); | |
1392 | CMD(join_ibss, JOIN_IBSS); | |
1393 | CMD(join_mesh, JOIN_MESH); | |
1394 | CMD(set_pmksa, SET_PMKSA); | |
1395 | CMD(del_pmksa, DEL_PMKSA); | |
1396 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1397 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1398 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1399 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1400 | CMD(mgmt_tx, FRAME); | |
1401 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1402 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1403 | i++; | |
1404 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1405 | goto nla_put_failure; |
2e161f78 | 1406 | } |
3713b4e3 JB |
1407 | if (dev->ops->set_monitor_channel || dev->ops->start_ap || |
1408 | dev->ops->join_mesh) { | |
1409 | i++; | |
1410 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1411 | goto nla_put_failure; | |
1412 | } | |
1413 | CMD(set_wds_peer, SET_WDS_PEER); | |
1414 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1415 | CMD(tdls_mgmt, TDLS_MGMT); | |
1416 | CMD(tdls_oper, TDLS_OPER); | |
1417 | } | |
1418 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
1419 | CMD(sched_scan_start, START_SCHED_SCAN); | |
1420 | CMD(probe_client, PROBE_CLIENT); | |
1421 | CMD(set_noack_map, SET_NOACK_MAP); | |
1422 | if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1423 | i++; | |
1424 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1425 | goto nla_put_failure; | |
1426 | } | |
1427 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1428 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
86e8cf98 | 1429 | if (state->split) { |
5de17984 AS |
1430 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1431 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
16ef1fe2 SW |
1432 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
1433 | CMD(channel_switch, CHANNEL_SWITCH); | |
5de17984 | 1434 | } |
2e161f78 | 1435 | |
3713b4e3 JB |
1436 | #ifdef CONFIG_NL80211_TESTMODE |
1437 | CMD(testmode_cmd, TESTMODE); | |
1438 | #endif | |
ff1b6e69 | 1439 | |
3713b4e3 | 1440 | #undef CMD |
ff1b6e69 | 1441 | |
3713b4e3 JB |
1442 | if (dev->ops->connect || dev->ops->auth) { |
1443 | i++; | |
1444 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1445 | goto nla_put_failure; |
ff1b6e69 JB |
1446 | } |
1447 | ||
3713b4e3 JB |
1448 | if (dev->ops->disconnect || dev->ops->deauth) { |
1449 | i++; | |
1450 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1451 | goto nla_put_failure; | |
1452 | } | |
1453 | ||
1454 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1455 | state->split_start++; |
1456 | if (state->split) | |
3713b4e3 JB |
1457 | break; |
1458 | case 5: | |
1459 | if (dev->ops->remain_on_channel && | |
1460 | (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
1461 | nla_put_u32(msg, | |
1462 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1463 | dev->wiphy.max_remain_on_channel_duration)) | |
1464 | goto nla_put_failure; | |
1465 | ||
1466 | if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && | |
1467 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) | |
1468 | goto nla_put_failure; | |
1469 | ||
1470 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1471 | goto nla_put_failure; | |
86e8cf98 JB |
1472 | state->split_start++; |
1473 | if (state->split) | |
3713b4e3 JB |
1474 | break; |
1475 | case 6: | |
1476 | #ifdef CONFIG_PM | |
86e8cf98 | 1477 | if (nl80211_send_wowlan(msg, dev, state->split)) |
3713b4e3 | 1478 | goto nla_put_failure; |
86e8cf98 JB |
1479 | state->split_start++; |
1480 | if (state->split) | |
3713b4e3 JB |
1481 | break; |
1482 | #else | |
86e8cf98 | 1483 | state->split_start++; |
dfb89c56 | 1484 | #endif |
3713b4e3 JB |
1485 | case 7: |
1486 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1487 | dev->wiphy.software_iftypes)) | |
1488 | goto nla_put_failure; | |
ff1b6e69 | 1489 | |
86e8cf98 JB |
1490 | if (nl80211_put_iface_combinations(&dev->wiphy, msg, |
1491 | state->split)) | |
3713b4e3 | 1492 | goto nla_put_failure; |
7527a782 | 1493 | |
86e8cf98 JB |
1494 | state->split_start++; |
1495 | if (state->split) | |
3713b4e3 JB |
1496 | break; |
1497 | case 8: | |
1498 | if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && | |
1499 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, | |
1500 | dev->wiphy.ap_sme_capa)) | |
1501 | goto nla_put_failure; | |
7527a782 | 1502 | |
fe1abafd JB |
1503 | features = dev->wiphy.features; |
1504 | /* | |
1505 | * We can only add the per-channel limit information if the | |
1506 | * dump is split, otherwise it makes it too big. Therefore | |
1507 | * only advertise it in that case. | |
1508 | */ | |
86e8cf98 | 1509 | if (state->split) |
fe1abafd JB |
1510 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1511 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1512 | goto nla_put_failure; |
562a7480 | 1513 | |
3713b4e3 JB |
1514 | if (dev->wiphy.ht_capa_mod_mask && |
1515 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, | |
1516 | sizeof(*dev->wiphy.ht_capa_mod_mask), | |
1517 | dev->wiphy.ht_capa_mod_mask)) | |
1518 | goto nla_put_failure; | |
1f074bd8 | 1519 | |
3713b4e3 JB |
1520 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1521 | dev->wiphy.max_acl_mac_addrs && | |
1522 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, | |
1523 | dev->wiphy.max_acl_mac_addrs)) | |
1524 | goto nla_put_failure; | |
7e7c8926 | 1525 | |
3713b4e3 JB |
1526 | /* |
1527 | * Any information below this point is only available to | |
1528 | * applications that can deal with it being split. This | |
1529 | * helps ensure that newly added capabilities don't break | |
1530 | * older tools by overrunning their buffers. | |
1531 | * | |
1532 | * We still increment split_start so that in the split | |
1533 | * case we'll continue with more data in the next round, | |
1534 | * but break unconditionally so unsplit data stops here. | |
1535 | */ | |
86e8cf98 | 1536 | state->split_start++; |
3713b4e3 JB |
1537 | break; |
1538 | case 9: | |
fe1abafd JB |
1539 | if (dev->wiphy.extended_capabilities && |
1540 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1541 | dev->wiphy.extended_capabilities_len, | |
1542 | dev->wiphy.extended_capabilities) || | |
1543 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1544 | dev->wiphy.extended_capabilities_len, | |
1545 | dev->wiphy.extended_capabilities_mask))) | |
1546 | goto nla_put_failure; | |
a50df0c4 | 1547 | |
ee2aca34 JB |
1548 | if (dev->wiphy.vht_capa_mod_mask && |
1549 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, | |
1550 | sizeof(*dev->wiphy.vht_capa_mod_mask), | |
1551 | dev->wiphy.vht_capa_mod_mask)) | |
1552 | goto nla_put_failure; | |
1553 | ||
be29b99a AK |
1554 | state->split_start++; |
1555 | break; | |
1556 | case 10: | |
1557 | if (nl80211_send_coalesce(msg, dev)) | |
1558 | goto nla_put_failure; | |
1559 | ||
3713b4e3 | 1560 | /* done */ |
86e8cf98 | 1561 | state->split_start = 0; |
3713b4e3 JB |
1562 | break; |
1563 | } | |
55682965 JB |
1564 | return genlmsg_end(msg, hdr); |
1565 | ||
1566 | nla_put_failure: | |
bc3ed28c TG |
1567 | genlmsg_cancel(msg, hdr); |
1568 | return -EMSGSIZE; | |
55682965 JB |
1569 | } |
1570 | ||
86e8cf98 JB |
1571 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1572 | struct netlink_callback *cb, | |
1573 | struct nl80211_dump_wiphy_state *state) | |
1574 | { | |
1575 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1576 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1577 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1578 | /* ignore parse errors for backward compatibility */ | |
1579 | if (ret) | |
1580 | return 0; | |
1581 | ||
1582 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1583 | if (tb[NL80211_ATTR_WIPHY]) | |
1584 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1585 | if (tb[NL80211_ATTR_WDEV]) | |
1586 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1587 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1588 | struct net_device *netdev; | |
1589 | struct cfg80211_registered_device *rdev; | |
1590 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1591 | ||
1592 | netdev = dev_get_by_index(sock_net(skb->sk), ifidx); | |
1593 | if (!netdev) | |
1594 | return -ENODEV; | |
1595 | if (netdev->ieee80211_ptr) { | |
1596 | rdev = wiphy_to_dev( | |
1597 | netdev->ieee80211_ptr->wiphy); | |
1598 | state->filter_wiphy = rdev->wiphy_idx; | |
1599 | } | |
1600 | dev_put(netdev); | |
1601 | } | |
1602 | ||
1603 | return 0; | |
1604 | } | |
1605 | ||
55682965 JB |
1606 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1607 | { | |
645e77de | 1608 | int idx = 0, ret; |
86e8cf98 | 1609 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
55682965 | 1610 | struct cfg80211_registered_device *dev; |
3a5a423b | 1611 | |
5fe231e8 | 1612 | rtnl_lock(); |
86e8cf98 JB |
1613 | if (!state) { |
1614 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1615 | if (!state) { |
1616 | rtnl_unlock(); | |
86e8cf98 | 1617 | return -ENOMEM; |
3713b4e3 | 1618 | } |
86e8cf98 JB |
1619 | state->filter_wiphy = -1; |
1620 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1621 | if (ret) { | |
1622 | kfree(state); | |
1623 | rtnl_unlock(); | |
1624 | return ret; | |
3713b4e3 | 1625 | } |
86e8cf98 | 1626 | cb->args[0] = (long)state; |
3713b4e3 JB |
1627 | } |
1628 | ||
79c97e97 | 1629 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
1630 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
1631 | continue; | |
86e8cf98 | 1632 | if (++idx <= state->start) |
55682965 | 1633 | continue; |
86e8cf98 JB |
1634 | if (state->filter_wiphy != -1 && |
1635 | state->filter_wiphy != dev->wiphy_idx) | |
3713b4e3 JB |
1636 | continue; |
1637 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1638 | do { | |
1639 | ret = nl80211_send_wiphy(dev, skb, | |
1640 | NETLINK_CB(cb->skb).portid, | |
1641 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1642 | NLM_F_MULTI, state); |
3713b4e3 JB |
1643 | if (ret < 0) { |
1644 | /* | |
1645 | * If sending the wiphy data didn't fit (ENOBUFS | |
1646 | * or EMSGSIZE returned), this SKB is still | |
1647 | * empty (so it's not too big because another | |
1648 | * wiphy dataset is already in the skb) and | |
1649 | * we've not tried to adjust the dump allocation | |
1650 | * yet ... then adjust the alloc size to be | |
1651 | * bigger, and return 1 but with the empty skb. | |
1652 | * This results in an empty message being RX'ed | |
1653 | * in userspace, but that is ignored. | |
1654 | * | |
1655 | * We can then retry with the larger buffer. | |
1656 | */ | |
1657 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
1658 | !skb->len && | |
1659 | cb->min_dump_alloc < 4096) { | |
1660 | cb->min_dump_alloc = 4096; | |
d98cae64 | 1661 | rtnl_unlock(); |
3713b4e3 JB |
1662 | return 1; |
1663 | } | |
1664 | idx--; | |
1665 | break; | |
645e77de | 1666 | } |
86e8cf98 | 1667 | } while (state->split_start > 0); |
3713b4e3 | 1668 | break; |
55682965 | 1669 | } |
5fe231e8 | 1670 | rtnl_unlock(); |
55682965 | 1671 | |
86e8cf98 | 1672 | state->start = idx; |
55682965 JB |
1673 | |
1674 | return skb->len; | |
1675 | } | |
1676 | ||
86e8cf98 JB |
1677 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1678 | { | |
1679 | kfree((void *)cb->args[0]); | |
1680 | return 0; | |
1681 | } | |
1682 | ||
55682965 JB |
1683 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1684 | { | |
1685 | struct sk_buff *msg; | |
4c476991 | 1686 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
86e8cf98 | 1687 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1688 | |
645e77de | 1689 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1690 | if (!msg) |
4c476991 | 1691 | return -ENOMEM; |
55682965 | 1692 | |
3713b4e3 | 1693 | if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0, |
86e8cf98 | 1694 | &state) < 0) { |
4c476991 JB |
1695 | nlmsg_free(msg); |
1696 | return -ENOBUFS; | |
1697 | } | |
55682965 | 1698 | |
134e6375 | 1699 | return genlmsg_reply(msg, info); |
55682965 JB |
1700 | } |
1701 | ||
31888487 JM |
1702 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1703 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1704 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1705 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1706 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1707 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1708 | }; | |
1709 | ||
1710 | static int parse_txq_params(struct nlattr *tb[], | |
1711 | struct ieee80211_txq_params *txq_params) | |
1712 | { | |
a3304b0a | 1713 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1714 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1715 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1716 | return -EINVAL; | |
1717 | ||
a3304b0a | 1718 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1719 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1720 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1721 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1722 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1723 | ||
a3304b0a JB |
1724 | if (txq_params->ac >= NL80211_NUM_ACS) |
1725 | return -EINVAL; | |
1726 | ||
31888487 JM |
1727 | return 0; |
1728 | } | |
1729 | ||
f444de05 JB |
1730 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1731 | { | |
1732 | /* | |
cc1d2806 JB |
1733 | * You can only set the channel explicitly for WDS interfaces, |
1734 | * all others have their channel managed via their respective | |
1735 | * "establish a connection" command (connect, join, ...) | |
1736 | * | |
1737 | * For AP/GO and mesh mode, the channel can be set with the | |
1738 | * channel userspace API, but is only stored and passed to the | |
1739 | * low-level driver when the AP starts or the mesh is joined. | |
1740 | * This is for backward compatibility, userspace can also give | |
1741 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1742 | * |
1743 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1744 | * whatever else is going on, so they have their own special |
1745 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1746 | */ |
1747 | return !wdev || | |
1748 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1749 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1750 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1751 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1752 | } |
1753 | ||
683b6d3b JB |
1754 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1755 | struct genl_info *info, | |
1756 | struct cfg80211_chan_def *chandef) | |
1757 | { | |
dbeca2ea | 1758 | u32 control_freq; |
683b6d3b JB |
1759 | |
1760 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1761 | return -EINVAL; | |
1762 | ||
1763 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1764 | ||
1765 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1766 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1767 | chandef->center_freq1 = control_freq; | |
1768 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1769 | |
1770 | /* Primary channel not allowed */ | |
1771 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1772 | return -EINVAL; | |
1773 | ||
3d9d1d66 JB |
1774 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1775 | enum nl80211_channel_type chantype; | |
1776 | ||
1777 | chantype = nla_get_u32( | |
1778 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1779 | ||
1780 | switch (chantype) { | |
1781 | case NL80211_CHAN_NO_HT: | |
1782 | case NL80211_CHAN_HT20: | |
1783 | case NL80211_CHAN_HT40PLUS: | |
1784 | case NL80211_CHAN_HT40MINUS: | |
1785 | cfg80211_chandef_create(chandef, chandef->chan, | |
1786 | chantype); | |
1787 | break; | |
1788 | default: | |
1789 | return -EINVAL; | |
1790 | } | |
1791 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1792 | chandef->width = | |
1793 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1794 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1795 | chandef->center_freq1 = | |
1796 | nla_get_u32( | |
1797 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1798 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1799 | chandef->center_freq2 = | |
1800 | nla_get_u32( | |
1801 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1802 | } | |
1803 | ||
9f5e8f6e | 1804 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1805 | return -EINVAL; |
1806 | ||
9f5e8f6e JB |
1807 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1808 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1809 | return -EINVAL; |
1810 | ||
2f301ab2 SW |
1811 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
1812 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
1813 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1814 | return -EINVAL; | |
1815 | ||
683b6d3b JB |
1816 | return 0; |
1817 | } | |
1818 | ||
f444de05 JB |
1819 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
1820 | struct wireless_dev *wdev, | |
1821 | struct genl_info *info) | |
1822 | { | |
683b6d3b | 1823 | struct cfg80211_chan_def chandef; |
f444de05 | 1824 | int result; |
e8c9bd5b JB |
1825 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
1826 | ||
1827 | if (wdev) | |
1828 | iftype = wdev->iftype; | |
f444de05 | 1829 | |
f444de05 JB |
1830 | if (!nl80211_can_set_dev_channel(wdev)) |
1831 | return -EOPNOTSUPP; | |
1832 | ||
683b6d3b JB |
1833 | result = nl80211_parse_chandef(rdev, info, &chandef); |
1834 | if (result) | |
1835 | return result; | |
f444de05 | 1836 | |
e8c9bd5b | 1837 | switch (iftype) { |
aa430da4 JB |
1838 | case NL80211_IFTYPE_AP: |
1839 | case NL80211_IFTYPE_P2P_GO: | |
1840 | if (wdev->beacon_interval) { | |
1841 | result = -EBUSY; | |
1842 | break; | |
1843 | } | |
683b6d3b | 1844 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) { |
aa430da4 JB |
1845 | result = -EINVAL; |
1846 | break; | |
1847 | } | |
683b6d3b | 1848 | wdev->preset_chandef = chandef; |
aa430da4 JB |
1849 | result = 0; |
1850 | break; | |
cc1d2806 | 1851 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 1852 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 1853 | break; |
e8c9bd5b | 1854 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 1855 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 1856 | break; |
aa430da4 | 1857 | default: |
e8c9bd5b | 1858 | result = -EINVAL; |
f444de05 | 1859 | } |
f444de05 JB |
1860 | |
1861 | return result; | |
1862 | } | |
1863 | ||
1864 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1865 | { | |
4c476991 JB |
1866 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1867 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1868 | |
4c476991 | 1869 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1870 | } |
1871 | ||
e8347eba BJ |
1872 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1873 | { | |
43b19952 JB |
1874 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1875 | struct net_device *dev = info->user_ptr[1]; | |
1876 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1877 | const u8 *bssid; |
e8347eba BJ |
1878 | |
1879 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1880 | return -EINVAL; | |
1881 | ||
43b19952 JB |
1882 | if (netif_running(dev)) |
1883 | return -EBUSY; | |
e8347eba | 1884 | |
43b19952 JB |
1885 | if (!rdev->ops->set_wds_peer) |
1886 | return -EOPNOTSUPP; | |
e8347eba | 1887 | |
43b19952 JB |
1888 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1889 | return -EOPNOTSUPP; | |
e8347eba BJ |
1890 | |
1891 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 1892 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
1893 | } |
1894 | ||
1895 | ||
55682965 JB |
1896 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1897 | { | |
1898 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1899 | struct net_device *netdev = NULL; |
1900 | struct wireless_dev *wdev; | |
a1e567c8 | 1901 | int result = 0, rem_txq_params = 0; |
31888487 | 1902 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1903 | u32 changed; |
1904 | u8 retry_short = 0, retry_long = 0; | |
1905 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1906 | u8 coverage_class = 0; |
55682965 | 1907 | |
5fe231e8 JB |
1908 | ASSERT_RTNL(); |
1909 | ||
f444de05 JB |
1910 | /* |
1911 | * Try to find the wiphy and netdev. Normally this | |
1912 | * function shouldn't need the netdev, but this is | |
1913 | * done for backward compatibility -- previously | |
1914 | * setting the channel was done per wiphy, but now | |
1915 | * it is per netdev. Previous userland like hostapd | |
1916 | * also passed a netdev to set_wiphy, so that it is | |
1917 | * possible to let that go to the right netdev! | |
1918 | */ | |
4bbf4d56 | 1919 | |
f444de05 JB |
1920 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1921 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1922 | ||
1923 | netdev = dev_get_by_index(genl_info_net(info), ifindex); | |
5fe231e8 | 1924 | if (netdev && netdev->ieee80211_ptr) |
f444de05 | 1925 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 1926 | else |
f444de05 | 1927 | netdev = NULL; |
4bbf4d56 JB |
1928 | } |
1929 | ||
f444de05 | 1930 | if (!netdev) { |
878d9ec7 JB |
1931 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
1932 | info->attrs); | |
5fe231e8 | 1933 | if (IS_ERR(rdev)) |
4c476991 | 1934 | return PTR_ERR(rdev); |
f444de05 JB |
1935 | wdev = NULL; |
1936 | netdev = NULL; | |
1937 | result = 0; | |
71fe96bf | 1938 | } else |
f444de05 | 1939 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
1940 | |
1941 | /* | |
1942 | * end workaround code, by now the rdev is available | |
1943 | * and locked, and wdev may or may not be NULL. | |
1944 | */ | |
4bbf4d56 JB |
1945 | |
1946 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
1947 | result = cfg80211_dev_rename( |
1948 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 1949 | |
4bbf4d56 JB |
1950 | if (result) |
1951 | goto bad_res; | |
31888487 JM |
1952 | |
1953 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
1954 | struct ieee80211_txq_params txq_params; | |
1955 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
1956 | ||
1957 | if (!rdev->ops->set_txq_params) { | |
1958 | result = -EOPNOTSUPP; | |
1959 | goto bad_res; | |
1960 | } | |
1961 | ||
f70f01c2 EP |
1962 | if (!netdev) { |
1963 | result = -EINVAL; | |
1964 | goto bad_res; | |
1965 | } | |
1966 | ||
133a3ff2 JB |
1967 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
1968 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
1969 | result = -EINVAL; | |
1970 | goto bad_res; | |
1971 | } | |
1972 | ||
2b5f8b0b JB |
1973 | if (!netif_running(netdev)) { |
1974 | result = -ENETDOWN; | |
1975 | goto bad_res; | |
1976 | } | |
1977 | ||
31888487 JM |
1978 | nla_for_each_nested(nl_txq_params, |
1979 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
1980 | rem_txq_params) { | |
1981 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
1982 | nla_data(nl_txq_params), | |
1983 | nla_len(nl_txq_params), | |
1984 | txq_params_policy); | |
1985 | result = parse_txq_params(tb, &txq_params); | |
1986 | if (result) | |
1987 | goto bad_res; | |
1988 | ||
e35e4d28 HG |
1989 | result = rdev_set_txq_params(rdev, netdev, |
1990 | &txq_params); | |
31888487 JM |
1991 | if (result) |
1992 | goto bad_res; | |
1993 | } | |
1994 | } | |
55682965 | 1995 | |
72bdcf34 | 1996 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
71fe96bf JB |
1997 | result = __nl80211_set_channel(rdev, |
1998 | nl80211_can_set_dev_channel(wdev) ? wdev : NULL, | |
1999 | info); | |
72bdcf34 JM |
2000 | if (result) |
2001 | goto bad_res; | |
2002 | } | |
2003 | ||
98d2ff8b | 2004 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2005 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2006 | enum nl80211_tx_power_setting type; |
2007 | int idx, mbm = 0; | |
2008 | ||
c8442118 JB |
2009 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2010 | txp_wdev = NULL; | |
2011 | ||
98d2ff8b | 2012 | if (!rdev->ops->set_tx_power) { |
60ea385f | 2013 | result = -EOPNOTSUPP; |
98d2ff8b JO |
2014 | goto bad_res; |
2015 | } | |
2016 | ||
2017 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2018 | type = nla_get_u32(info->attrs[idx]); | |
2019 | ||
2020 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
2021 | (type != NL80211_TX_POWER_AUTOMATIC)) { | |
2022 | result = -EINVAL; | |
2023 | goto bad_res; | |
2024 | } | |
2025 | ||
2026 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2027 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2028 | mbm = nla_get_u32(info->attrs[idx]); | |
2029 | } | |
2030 | ||
c8442118 | 2031 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b JO |
2032 | if (result) |
2033 | goto bad_res; | |
2034 | } | |
2035 | ||
afe0cbf8 BR |
2036 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2037 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2038 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
2039 | if ((!rdev->wiphy.available_antennas_tx && |
2040 | !rdev->wiphy.available_antennas_rx) || | |
2041 | !rdev->ops->set_antenna) { | |
afe0cbf8 BR |
2042 | result = -EOPNOTSUPP; |
2043 | goto bad_res; | |
2044 | } | |
2045 | ||
2046 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2047 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2048 | ||
a7ffac95 | 2049 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2050 | * available antenna masks, except for the "all" mask */ |
2051 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
2052 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { | |
a7ffac95 BR |
2053 | result = -EINVAL; |
2054 | goto bad_res; | |
2055 | } | |
2056 | ||
7f531e03 BR |
2057 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2058 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2059 | |
e35e4d28 | 2060 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 BR |
2061 | if (result) |
2062 | goto bad_res; | |
2063 | } | |
2064 | ||
b9a5f8ca JM |
2065 | changed = 0; |
2066 | ||
2067 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2068 | retry_short = nla_get_u8( | |
2069 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
2070 | if (retry_short == 0) { | |
2071 | result = -EINVAL; | |
2072 | goto bad_res; | |
2073 | } | |
2074 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
2075 | } | |
2076 | ||
2077 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2078 | retry_long = nla_get_u8( | |
2079 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
2080 | if (retry_long == 0) { | |
2081 | result = -EINVAL; | |
2082 | goto bad_res; | |
2083 | } | |
2084 | changed |= WIPHY_PARAM_RETRY_LONG; | |
2085 | } | |
2086 | ||
2087 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2088 | frag_threshold = nla_get_u32( | |
2089 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
2090 | if (frag_threshold < 256) { | |
2091 | result = -EINVAL; | |
2092 | goto bad_res; | |
2093 | } | |
2094 | if (frag_threshold != (u32) -1) { | |
2095 | /* | |
2096 | * Fragments (apart from the last one) are required to | |
2097 | * have even length. Make the fragmentation code | |
2098 | * simpler by stripping LSB should someone try to use | |
2099 | * odd threshold value. | |
2100 | */ | |
2101 | frag_threshold &= ~0x1; | |
2102 | } | |
2103 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2104 | } | |
2105 | ||
2106 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2107 | rts_threshold = nla_get_u32( | |
2108 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2109 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2110 | } | |
2111 | ||
81077e82 LT |
2112 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
2113 | coverage_class = nla_get_u8( | |
2114 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2115 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2116 | } | |
2117 | ||
b9a5f8ca JM |
2118 | if (changed) { |
2119 | u8 old_retry_short, old_retry_long; | |
2120 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2121 | u8 old_coverage_class; |
b9a5f8ca JM |
2122 | |
2123 | if (!rdev->ops->set_wiphy_params) { | |
2124 | result = -EOPNOTSUPP; | |
2125 | goto bad_res; | |
2126 | } | |
2127 | ||
2128 | old_retry_short = rdev->wiphy.retry_short; | |
2129 | old_retry_long = rdev->wiphy.retry_long; | |
2130 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2131 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2132 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2133 | |
2134 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2135 | rdev->wiphy.retry_short = retry_short; | |
2136 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2137 | rdev->wiphy.retry_long = retry_long; | |
2138 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2139 | rdev->wiphy.frag_threshold = frag_threshold; | |
2140 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2141 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2142 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2143 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2144 | |
e35e4d28 | 2145 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2146 | if (result) { |
2147 | rdev->wiphy.retry_short = old_retry_short; | |
2148 | rdev->wiphy.retry_long = old_retry_long; | |
2149 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2150 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2151 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
2152 | } |
2153 | } | |
72bdcf34 | 2154 | |
306d6112 | 2155 | bad_res: |
f444de05 JB |
2156 | if (netdev) |
2157 | dev_put(netdev); | |
55682965 JB |
2158 | return result; |
2159 | } | |
2160 | ||
71bbc994 JB |
2161 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2162 | { | |
2163 | return (u64)wdev->identifier | | |
2164 | ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); | |
2165 | } | |
55682965 | 2166 | |
683b6d3b JB |
2167 | static int nl80211_send_chandef(struct sk_buff *msg, |
2168 | struct cfg80211_chan_def *chandef) | |
2169 | { | |
9f5e8f6e | 2170 | WARN_ON(!cfg80211_chandef_valid(chandef)); |
3d9d1d66 | 2171 | |
683b6d3b JB |
2172 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2173 | chandef->chan->center_freq)) | |
2174 | return -ENOBUFS; | |
3d9d1d66 JB |
2175 | switch (chandef->width) { |
2176 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2177 | case NL80211_CHAN_WIDTH_20: | |
2178 | case NL80211_CHAN_WIDTH_40: | |
2179 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2180 | cfg80211_get_chandef_type(chandef))) | |
2181 | return -ENOBUFS; | |
2182 | break; | |
2183 | default: | |
2184 | break; | |
2185 | } | |
2186 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2187 | return -ENOBUFS; | |
2188 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2189 | return -ENOBUFS; | |
2190 | if (chandef->center_freq2 && | |
2191 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2192 | return -ENOBUFS; |
2193 | return 0; | |
2194 | } | |
2195 | ||
15e47304 | 2196 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2197 | struct cfg80211_registered_device *rdev, |
72fb2abc | 2198 | struct wireless_dev *wdev) |
55682965 | 2199 | { |
72fb2abc | 2200 | struct net_device *dev = wdev->netdev; |
55682965 JB |
2201 | void *hdr; |
2202 | ||
15e47304 | 2203 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE); |
55682965 JB |
2204 | if (!hdr) |
2205 | return -1; | |
2206 | ||
72fb2abc JB |
2207 | if (dev && |
2208 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2209 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2210 | goto nla_put_failure; |
2211 | ||
2212 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2213 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2214 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2215 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2216 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2217 | rdev->devlist_generation ^ | |
2218 | (cfg80211_rdev_list_generation << 2))) | |
2219 | goto nla_put_failure; | |
f5ea9120 | 2220 | |
5b7ccaf3 | 2221 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2222 | int ret; |
2223 | struct cfg80211_chan_def chandef; | |
2224 | ||
2225 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2226 | if (ret == 0) { | |
2227 | if (nl80211_send_chandef(msg, &chandef)) | |
2228 | goto nla_put_failure; | |
2229 | } | |
d91df0e3 PF |
2230 | } |
2231 | ||
b84e7a05 AQ |
2232 | if (wdev->ssid_len) { |
2233 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2234 | goto nla_put_failure; | |
2235 | } | |
2236 | ||
55682965 JB |
2237 | return genlmsg_end(msg, hdr); |
2238 | ||
2239 | nla_put_failure: | |
bc3ed28c TG |
2240 | genlmsg_cancel(msg, hdr); |
2241 | return -EMSGSIZE; | |
55682965 JB |
2242 | } |
2243 | ||
2244 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2245 | { | |
2246 | int wp_idx = 0; | |
2247 | int if_idx = 0; | |
2248 | int wp_start = cb->args[0]; | |
2249 | int if_start = cb->args[1]; | |
f5ea9120 | 2250 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2251 | struct wireless_dev *wdev; |
2252 | ||
5fe231e8 | 2253 | rtnl_lock(); |
f5ea9120 JB |
2254 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2255 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2256 | continue; |
bba95fef JB |
2257 | if (wp_idx < wp_start) { |
2258 | wp_idx++; | |
55682965 | 2259 | continue; |
bba95fef | 2260 | } |
55682965 JB |
2261 | if_idx = 0; |
2262 | ||
89a54e48 | 2263 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2264 | if (if_idx < if_start) { |
2265 | if_idx++; | |
55682965 | 2266 | continue; |
bba95fef | 2267 | } |
15e47304 | 2268 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2269 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
72fb2abc | 2270 | rdev, wdev) < 0) { |
bba95fef JB |
2271 | goto out; |
2272 | } | |
2273 | if_idx++; | |
55682965 | 2274 | } |
bba95fef JB |
2275 | |
2276 | wp_idx++; | |
55682965 | 2277 | } |
bba95fef | 2278 | out: |
5fe231e8 | 2279 | rtnl_unlock(); |
55682965 JB |
2280 | |
2281 | cb->args[0] = wp_idx; | |
2282 | cb->args[1] = if_idx; | |
2283 | ||
2284 | return skb->len; | |
2285 | } | |
2286 | ||
2287 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2288 | { | |
2289 | struct sk_buff *msg; | |
4c476991 | 2290 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
72fb2abc | 2291 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2292 | |
fd2120ca | 2293 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2294 | if (!msg) |
4c476991 | 2295 | return -ENOMEM; |
55682965 | 2296 | |
15e47304 | 2297 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
72fb2abc | 2298 | dev, wdev) < 0) { |
4c476991 JB |
2299 | nlmsg_free(msg); |
2300 | return -ENOBUFS; | |
2301 | } | |
55682965 | 2302 | |
134e6375 | 2303 | return genlmsg_reply(msg, info); |
55682965 JB |
2304 | } |
2305 | ||
66f7ac50 MW |
2306 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2307 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2308 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2309 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2310 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2311 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2312 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2313 | }; |
2314 | ||
2315 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2316 | { | |
2317 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2318 | int flag; | |
2319 | ||
2320 | *mntrflags = 0; | |
2321 | ||
2322 | if (!nla) | |
2323 | return -EINVAL; | |
2324 | ||
2325 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2326 | nla, mntr_flags_policy)) | |
2327 | return -EINVAL; | |
2328 | ||
2329 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2330 | if (flags[flag]) | |
2331 | *mntrflags |= (1<<flag); | |
2332 | ||
2333 | return 0; | |
2334 | } | |
2335 | ||
9bc383de | 2336 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2337 | struct net_device *netdev, u8 use_4addr, |
2338 | enum nl80211_iftype iftype) | |
9bc383de | 2339 | { |
ad4bb6f8 | 2340 | if (!use_4addr) { |
f350a0a8 | 2341 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2342 | return -EBUSY; |
9bc383de | 2343 | return 0; |
ad4bb6f8 | 2344 | } |
9bc383de JB |
2345 | |
2346 | switch (iftype) { | |
2347 | case NL80211_IFTYPE_AP_VLAN: | |
2348 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2349 | return 0; | |
2350 | break; | |
2351 | case NL80211_IFTYPE_STATION: | |
2352 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2353 | return 0; | |
2354 | break; | |
2355 | default: | |
2356 | break; | |
2357 | } | |
2358 | ||
2359 | return -EOPNOTSUPP; | |
2360 | } | |
2361 | ||
55682965 JB |
2362 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2363 | { | |
4c476991 | 2364 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2365 | struct vif_params params; |
e36d56b6 | 2366 | int err; |
04a773ad | 2367 | enum nl80211_iftype otype, ntype; |
4c476991 | 2368 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2369 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2370 | bool change = false; |
55682965 | 2371 | |
2ec600d6 LCC |
2372 | memset(¶ms, 0, sizeof(params)); |
2373 | ||
04a773ad | 2374 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2375 | |
723b038d | 2376 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2377 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2378 | if (otype != ntype) |
ac7f9cfa | 2379 | change = true; |
4c476991 JB |
2380 | if (ntype > NL80211_IFTYPE_MAX) |
2381 | return -EINVAL; | |
723b038d JB |
2382 | } |
2383 | ||
92ffe055 | 2384 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2385 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2386 | ||
4c476991 JB |
2387 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2388 | return -EINVAL; | |
29cbe68c JB |
2389 | if (netif_running(dev)) |
2390 | return -EBUSY; | |
2391 | ||
2392 | wdev_lock(wdev); | |
2393 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2394 | IEEE80211_MAX_MESH_ID_LEN); | |
2395 | wdev->mesh_id_up_len = | |
2396 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2397 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2398 | wdev->mesh_id_up_len); | |
2399 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2400 | } |
2401 | ||
8b787643 FF |
2402 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2403 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2404 | change = true; | |
ad4bb6f8 | 2405 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2406 | if (err) |
4c476991 | 2407 | return err; |
8b787643 FF |
2408 | } else { |
2409 | params.use_4addr = -1; | |
2410 | } | |
2411 | ||
92ffe055 | 2412 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2413 | if (ntype != NL80211_IFTYPE_MONITOR) |
2414 | return -EINVAL; | |
92ffe055 JB |
2415 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2416 | &_flags); | |
ac7f9cfa | 2417 | if (err) |
4c476991 | 2418 | return err; |
ac7f9cfa JB |
2419 | |
2420 | flags = &_flags; | |
2421 | change = true; | |
92ffe055 | 2422 | } |
3b85875a | 2423 | |
18003297 | 2424 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2425 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2426 | return -EOPNOTSUPP; | |
2427 | ||
ac7f9cfa | 2428 | if (change) |
3d54d255 | 2429 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2430 | else |
2431 | err = 0; | |
60719ffd | 2432 | |
9bc383de JB |
2433 | if (!err && params.use_4addr != -1) |
2434 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2435 | ||
55682965 JB |
2436 | return err; |
2437 | } | |
2438 | ||
2439 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2440 | { | |
4c476991 | 2441 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2442 | struct vif_params params; |
84efbb84 | 2443 | struct wireless_dev *wdev; |
1c90f9d4 | 2444 | struct sk_buff *msg; |
55682965 JB |
2445 | int err; |
2446 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2447 | u32 flags; |
55682965 | 2448 | |
2ec600d6 LCC |
2449 | memset(¶ms, 0, sizeof(params)); |
2450 | ||
55682965 JB |
2451 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2452 | return -EINVAL; | |
2453 | ||
2454 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2455 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2456 | if (type > NL80211_IFTYPE_MAX) | |
2457 | return -EINVAL; | |
2458 | } | |
2459 | ||
79c97e97 | 2460 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2461 | !(rdev->wiphy.interface_modes & (1 << type))) |
2462 | return -EOPNOTSUPP; | |
55682965 | 2463 | |
1c18f145 AS |
2464 | if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) { |
2465 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], | |
2466 | ETH_ALEN); | |
2467 | if (!is_valid_ether_addr(params.macaddr)) | |
2468 | return -EADDRNOTAVAIL; | |
2469 | } | |
2470 | ||
9bc383de | 2471 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2472 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2473 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2474 | if (err) |
4c476991 | 2475 | return err; |
9bc383de | 2476 | } |
8b787643 | 2477 | |
1c90f9d4 JB |
2478 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2479 | if (!msg) | |
2480 | return -ENOMEM; | |
2481 | ||
66f7ac50 MW |
2482 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2483 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2484 | &flags); | |
e057d3c3 | 2485 | |
18003297 | 2486 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2487 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2488 | return -EOPNOTSUPP; | |
2489 | ||
e35e4d28 HG |
2490 | wdev = rdev_add_virtual_intf(rdev, |
2491 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2492 | type, err ? NULL : &flags, ¶ms); | |
1c90f9d4 JB |
2493 | if (IS_ERR(wdev)) { |
2494 | nlmsg_free(msg); | |
84efbb84 | 2495 | return PTR_ERR(wdev); |
1c90f9d4 | 2496 | } |
2ec600d6 | 2497 | |
98104fde JB |
2498 | switch (type) { |
2499 | case NL80211_IFTYPE_MESH_POINT: | |
2500 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2501 | break; | |
29cbe68c JB |
2502 | wdev_lock(wdev); |
2503 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2504 | IEEE80211_MAX_MESH_ID_LEN); | |
2505 | wdev->mesh_id_up_len = | |
2506 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2507 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2508 | wdev->mesh_id_up_len); | |
2509 | wdev_unlock(wdev); | |
98104fde JB |
2510 | break; |
2511 | case NL80211_IFTYPE_P2P_DEVICE: | |
2512 | /* | |
2513 | * P2P Device doesn't have a netdev, so doesn't go | |
2514 | * through the netdev notifier and must be added here | |
2515 | */ | |
2516 | mutex_init(&wdev->mtx); | |
2517 | INIT_LIST_HEAD(&wdev->event_list); | |
2518 | spin_lock_init(&wdev->event_lock); | |
2519 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2520 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2521 | ||
98104fde JB |
2522 | wdev->identifier = ++rdev->wdev_id; |
2523 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2524 | rdev->devlist_generation++; | |
98104fde JB |
2525 | break; |
2526 | default: | |
2527 | break; | |
29cbe68c JB |
2528 | } |
2529 | ||
15e47304 | 2530 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1c90f9d4 JB |
2531 | rdev, wdev) < 0) { |
2532 | nlmsg_free(msg); | |
2533 | return -ENOBUFS; | |
2534 | } | |
2535 | ||
2536 | return genlmsg_reply(msg, info); | |
55682965 JB |
2537 | } |
2538 | ||
2539 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2540 | { | |
4c476991 | 2541 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2542 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2543 | |
4c476991 JB |
2544 | if (!rdev->ops->del_virtual_intf) |
2545 | return -EOPNOTSUPP; | |
55682965 | 2546 | |
84efbb84 JB |
2547 | /* |
2548 | * If we remove a wireless device without a netdev then clear | |
2549 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2550 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2551 | * since the wdev has been freed, unlike with a netdev where | |
2552 | * we need the dev_put() for the netdev to really be freed. | |
2553 | */ | |
2554 | if (!wdev->netdev) | |
2555 | info->user_ptr[1] = NULL; | |
2556 | ||
e35e4d28 | 2557 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2558 | } |
2559 | ||
1d9d9213 SW |
2560 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2561 | { | |
2562 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2563 | struct net_device *dev = info->user_ptr[1]; | |
2564 | u16 noack_map; | |
2565 | ||
2566 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2567 | return -EINVAL; | |
2568 | ||
2569 | if (!rdev->ops->set_noack_map) | |
2570 | return -EOPNOTSUPP; | |
2571 | ||
2572 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2573 | ||
e35e4d28 | 2574 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2575 | } |
2576 | ||
41ade00f JB |
2577 | struct get_key_cookie { |
2578 | struct sk_buff *msg; | |
2579 | int error; | |
b9454e83 | 2580 | int idx; |
41ade00f JB |
2581 | }; |
2582 | ||
2583 | static void get_key_callback(void *c, struct key_params *params) | |
2584 | { | |
b9454e83 | 2585 | struct nlattr *key; |
41ade00f JB |
2586 | struct get_key_cookie *cookie = c; |
2587 | ||
9360ffd1 DM |
2588 | if ((params->key && |
2589 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2590 | params->key_len, params->key)) || | |
2591 | (params->seq && | |
2592 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2593 | params->seq_len, params->seq)) || | |
2594 | (params->cipher && | |
2595 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2596 | params->cipher))) | |
2597 | goto nla_put_failure; | |
41ade00f | 2598 | |
b9454e83 JB |
2599 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2600 | if (!key) | |
2601 | goto nla_put_failure; | |
2602 | ||
9360ffd1 DM |
2603 | if ((params->key && |
2604 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2605 | params->key_len, params->key)) || | |
2606 | (params->seq && | |
2607 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2608 | params->seq_len, params->seq)) || | |
2609 | (params->cipher && | |
2610 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2611 | params->cipher))) | |
2612 | goto nla_put_failure; | |
b9454e83 | 2613 | |
9360ffd1 DM |
2614 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2615 | goto nla_put_failure; | |
b9454e83 JB |
2616 | |
2617 | nla_nest_end(cookie->msg, key); | |
2618 | ||
41ade00f JB |
2619 | return; |
2620 | nla_put_failure: | |
2621 | cookie->error = 1; | |
2622 | } | |
2623 | ||
2624 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2625 | { | |
4c476991 | 2626 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2627 | int err; |
4c476991 | 2628 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2629 | u8 key_idx = 0; |
e31b8213 JB |
2630 | const u8 *mac_addr = NULL; |
2631 | bool pairwise; | |
41ade00f JB |
2632 | struct get_key_cookie cookie = { |
2633 | .error = 0, | |
2634 | }; | |
2635 | void *hdr; | |
2636 | struct sk_buff *msg; | |
2637 | ||
2638 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2639 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2640 | ||
3cfcf6ac | 2641 | if (key_idx > 5) |
41ade00f JB |
2642 | return -EINVAL; |
2643 | ||
2644 | if (info->attrs[NL80211_ATTR_MAC]) | |
2645 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2646 | ||
e31b8213 JB |
2647 | pairwise = !!mac_addr; |
2648 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2649 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2650 | if (kt >= NUM_NL80211_KEYTYPES) | |
2651 | return -EINVAL; | |
2652 | if (kt != NL80211_KEYTYPE_GROUP && | |
2653 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2654 | return -EINVAL; | |
2655 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2656 | } | |
2657 | ||
4c476991 JB |
2658 | if (!rdev->ops->get_key) |
2659 | return -EOPNOTSUPP; | |
41ade00f | 2660 | |
fd2120ca | 2661 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2662 | if (!msg) |
2663 | return -ENOMEM; | |
41ade00f | 2664 | |
15e47304 | 2665 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2666 | NL80211_CMD_NEW_KEY); |
cb35fba3 DC |
2667 | if (!hdr) |
2668 | return -ENOBUFS; | |
41ade00f JB |
2669 | |
2670 | cookie.msg = msg; | |
b9454e83 | 2671 | cookie.idx = key_idx; |
41ade00f | 2672 | |
9360ffd1 DM |
2673 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2674 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2675 | goto nla_put_failure; | |
2676 | if (mac_addr && | |
2677 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2678 | goto nla_put_failure; | |
41ade00f | 2679 | |
e31b8213 JB |
2680 | if (pairwise && mac_addr && |
2681 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2682 | return -ENOENT; | |
2683 | ||
e35e4d28 HG |
2684 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2685 | get_key_callback); | |
41ade00f JB |
2686 | |
2687 | if (err) | |
6c95e2a2 | 2688 | goto free_msg; |
41ade00f JB |
2689 | |
2690 | if (cookie.error) | |
2691 | goto nla_put_failure; | |
2692 | ||
2693 | genlmsg_end(msg, hdr); | |
4c476991 | 2694 | return genlmsg_reply(msg, info); |
41ade00f JB |
2695 | |
2696 | nla_put_failure: | |
2697 | err = -ENOBUFS; | |
6c95e2a2 | 2698 | free_msg: |
41ade00f | 2699 | nlmsg_free(msg); |
41ade00f JB |
2700 | return err; |
2701 | } | |
2702 | ||
2703 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2704 | { | |
4c476991 | 2705 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2706 | struct key_parse key; |
41ade00f | 2707 | int err; |
4c476991 | 2708 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2709 | |
b9454e83 JB |
2710 | err = nl80211_parse_key(info, &key); |
2711 | if (err) | |
2712 | return err; | |
41ade00f | 2713 | |
b9454e83 | 2714 | if (key.idx < 0) |
41ade00f JB |
2715 | return -EINVAL; |
2716 | ||
b9454e83 JB |
2717 | /* only support setting default key */ |
2718 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2719 | return -EINVAL; |
2720 | ||
dbd2fd65 | 2721 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2722 | |
dbd2fd65 JB |
2723 | if (key.def) { |
2724 | if (!rdev->ops->set_default_key) { | |
2725 | err = -EOPNOTSUPP; | |
2726 | goto out; | |
2727 | } | |
41ade00f | 2728 | |
dbd2fd65 JB |
2729 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2730 | if (err) | |
2731 | goto out; | |
2732 | ||
e35e4d28 | 2733 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2734 | key.def_uni, key.def_multi); |
2735 | ||
2736 | if (err) | |
2737 | goto out; | |
fffd0934 | 2738 | |
3d23e349 | 2739 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2740 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2741 | #endif | |
2742 | } else { | |
2743 | if (key.def_uni || !key.def_multi) { | |
2744 | err = -EINVAL; | |
2745 | goto out; | |
2746 | } | |
2747 | ||
2748 | if (!rdev->ops->set_default_mgmt_key) { | |
2749 | err = -EOPNOTSUPP; | |
2750 | goto out; | |
2751 | } | |
2752 | ||
2753 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2754 | if (err) | |
2755 | goto out; | |
2756 | ||
e35e4d28 | 2757 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2758 | if (err) |
2759 | goto out; | |
2760 | ||
2761 | #ifdef CONFIG_CFG80211_WEXT | |
2762 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2763 | #endif |
dbd2fd65 JB |
2764 | } |
2765 | ||
2766 | out: | |
fffd0934 | 2767 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2768 | |
41ade00f JB |
2769 | return err; |
2770 | } | |
2771 | ||
2772 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2773 | { | |
4c476991 | 2774 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2775 | int err; |
4c476991 | 2776 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2777 | struct key_parse key; |
e31b8213 | 2778 | const u8 *mac_addr = NULL; |
41ade00f | 2779 | |
b9454e83 JB |
2780 | err = nl80211_parse_key(info, &key); |
2781 | if (err) | |
2782 | return err; | |
41ade00f | 2783 | |
b9454e83 | 2784 | if (!key.p.key) |
41ade00f JB |
2785 | return -EINVAL; |
2786 | ||
41ade00f JB |
2787 | if (info->attrs[NL80211_ATTR_MAC]) |
2788 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2789 | ||
e31b8213 JB |
2790 | if (key.type == -1) { |
2791 | if (mac_addr) | |
2792 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2793 | else | |
2794 | key.type = NL80211_KEYTYPE_GROUP; | |
2795 | } | |
2796 | ||
2797 | /* for now */ | |
2798 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2799 | key.type != NL80211_KEYTYPE_GROUP) | |
2800 | return -EINVAL; | |
2801 | ||
4c476991 JB |
2802 | if (!rdev->ops->add_key) |
2803 | return -EOPNOTSUPP; | |
25e47c18 | 2804 | |
e31b8213 JB |
2805 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2806 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2807 | mac_addr)) | |
4c476991 | 2808 | return -EINVAL; |
41ade00f | 2809 | |
fffd0934 JB |
2810 | wdev_lock(dev->ieee80211_ptr); |
2811 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2812 | if (!err) | |
e35e4d28 HG |
2813 | err = rdev_add_key(rdev, dev, key.idx, |
2814 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2815 | mac_addr, &key.p); | |
fffd0934 | 2816 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2817 | |
41ade00f JB |
2818 | return err; |
2819 | } | |
2820 | ||
2821 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2822 | { | |
4c476991 | 2823 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2824 | int err; |
4c476991 | 2825 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2826 | u8 *mac_addr = NULL; |
b9454e83 | 2827 | struct key_parse key; |
41ade00f | 2828 | |
b9454e83 JB |
2829 | err = nl80211_parse_key(info, &key); |
2830 | if (err) | |
2831 | return err; | |
41ade00f JB |
2832 | |
2833 | if (info->attrs[NL80211_ATTR_MAC]) | |
2834 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2835 | ||
e31b8213 JB |
2836 | if (key.type == -1) { |
2837 | if (mac_addr) | |
2838 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2839 | else | |
2840 | key.type = NL80211_KEYTYPE_GROUP; | |
2841 | } | |
2842 | ||
2843 | /* for now */ | |
2844 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2845 | key.type != NL80211_KEYTYPE_GROUP) | |
2846 | return -EINVAL; | |
2847 | ||
4c476991 JB |
2848 | if (!rdev->ops->del_key) |
2849 | return -EOPNOTSUPP; | |
41ade00f | 2850 | |
fffd0934 JB |
2851 | wdev_lock(dev->ieee80211_ptr); |
2852 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2853 | |
2854 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
2855 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2856 | err = -ENOENT; | |
2857 | ||
fffd0934 | 2858 | if (!err) |
e35e4d28 HG |
2859 | err = rdev_del_key(rdev, dev, key.idx, |
2860 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2861 | mac_addr); | |
41ade00f | 2862 | |
3d23e349 | 2863 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 2864 | if (!err) { |
b9454e83 | 2865 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 2866 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 2867 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
2868 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
2869 | } | |
2870 | #endif | |
fffd0934 | 2871 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 2872 | |
41ade00f JB |
2873 | return err; |
2874 | } | |
2875 | ||
77765eaf VT |
2876 | /* This function returns an error or the number of nested attributes */ |
2877 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
2878 | { | |
2879 | struct nlattr *attr; | |
2880 | int n_entries = 0, tmp; | |
2881 | ||
2882 | nla_for_each_nested(attr, nl_attr, tmp) { | |
2883 | if (nla_len(attr) != ETH_ALEN) | |
2884 | return -EINVAL; | |
2885 | ||
2886 | n_entries++; | |
2887 | } | |
2888 | ||
2889 | return n_entries; | |
2890 | } | |
2891 | ||
2892 | /* | |
2893 | * This function parses ACL information and allocates memory for ACL data. | |
2894 | * On successful return, the calling function is responsible to free the | |
2895 | * ACL buffer returned by this function. | |
2896 | */ | |
2897 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
2898 | struct genl_info *info) | |
2899 | { | |
2900 | enum nl80211_acl_policy acl_policy; | |
2901 | struct nlattr *attr; | |
2902 | struct cfg80211_acl_data *acl; | |
2903 | int i = 0, n_entries, tmp; | |
2904 | ||
2905 | if (!wiphy->max_acl_mac_addrs) | |
2906 | return ERR_PTR(-EOPNOTSUPP); | |
2907 | ||
2908 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
2909 | return ERR_PTR(-EINVAL); | |
2910 | ||
2911 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
2912 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
2913 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
2914 | return ERR_PTR(-EINVAL); | |
2915 | ||
2916 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
2917 | return ERR_PTR(-EINVAL); | |
2918 | ||
2919 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
2920 | if (n_entries < 0) | |
2921 | return ERR_PTR(n_entries); | |
2922 | ||
2923 | if (n_entries > wiphy->max_acl_mac_addrs) | |
2924 | return ERR_PTR(-ENOTSUPP); | |
2925 | ||
2926 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
2927 | GFP_KERNEL); | |
2928 | if (!acl) | |
2929 | return ERR_PTR(-ENOMEM); | |
2930 | ||
2931 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
2932 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
2933 | i++; | |
2934 | } | |
2935 | ||
2936 | acl->n_acl_entries = n_entries; | |
2937 | acl->acl_policy = acl_policy; | |
2938 | ||
2939 | return acl; | |
2940 | } | |
2941 | ||
2942 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
2943 | { | |
2944 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2945 | struct net_device *dev = info->user_ptr[1]; | |
2946 | struct cfg80211_acl_data *acl; | |
2947 | int err; | |
2948 | ||
2949 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
2950 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
2951 | return -EOPNOTSUPP; | |
2952 | ||
2953 | if (!dev->ieee80211_ptr->beacon_interval) | |
2954 | return -EINVAL; | |
2955 | ||
2956 | acl = parse_acl_data(&rdev->wiphy, info); | |
2957 | if (IS_ERR(acl)) | |
2958 | return PTR_ERR(acl); | |
2959 | ||
2960 | err = rdev_set_mac_acl(rdev, dev, acl); | |
2961 | ||
2962 | kfree(acl); | |
2963 | ||
2964 | return err; | |
2965 | } | |
2966 | ||
a1193be8 | 2967 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 2968 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 2969 | { |
8860020e | 2970 | bool haveinfo = false; |
ed1b6cc7 | 2971 | |
a1193be8 SW |
2972 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
2973 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
2974 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
2975 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
2976 | return -EINVAL; |
2977 | ||
8860020e | 2978 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 2979 | |
a1193be8 SW |
2980 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
2981 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
2982 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
2983 | if (!bcn->head_len) |
2984 | return -EINVAL; | |
2985 | haveinfo = true; | |
ed1b6cc7 JB |
2986 | } |
2987 | ||
a1193be8 SW |
2988 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
2989 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
2990 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 2991 | haveinfo = true; |
ed1b6cc7 JB |
2992 | } |
2993 | ||
4c476991 JB |
2994 | if (!haveinfo) |
2995 | return -EINVAL; | |
3b85875a | 2996 | |
a1193be8 SW |
2997 | if (attrs[NL80211_ATTR_IE]) { |
2998 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
2999 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3000 | } |
3001 | ||
a1193be8 | 3002 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3003 | bcn->proberesp_ies = |
a1193be8 | 3004 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3005 | bcn->proberesp_ies_len = |
a1193be8 | 3006 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3007 | } |
3008 | ||
a1193be8 | 3009 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3010 | bcn->assocresp_ies = |
a1193be8 | 3011 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3012 | bcn->assocresp_ies_len = |
a1193be8 | 3013 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3014 | } |
3015 | ||
a1193be8 SW |
3016 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3017 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3018 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3019 | } |
3020 | ||
8860020e JB |
3021 | return 0; |
3022 | } | |
3023 | ||
46c1dd0c FF |
3024 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3025 | struct cfg80211_ap_settings *params) | |
3026 | { | |
3027 | struct wireless_dev *wdev; | |
3028 | bool ret = false; | |
3029 | ||
89a54e48 | 3030 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
3031 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3032 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3033 | continue; | |
3034 | ||
683b6d3b | 3035 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3036 | continue; |
3037 | ||
683b6d3b | 3038 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3039 | ret = true; |
3040 | break; | |
3041 | } | |
3042 | ||
46c1dd0c FF |
3043 | return ret; |
3044 | } | |
3045 | ||
e39e5b5e JM |
3046 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3047 | enum nl80211_auth_type auth_type, | |
3048 | enum nl80211_commands cmd) | |
3049 | { | |
3050 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3051 | return false; | |
3052 | ||
3053 | switch (cmd) { | |
3054 | case NL80211_CMD_AUTHENTICATE: | |
3055 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3056 | auth_type == NL80211_AUTHTYPE_SAE) | |
3057 | return false; | |
3058 | return true; | |
3059 | case NL80211_CMD_CONNECT: | |
3060 | case NL80211_CMD_START_AP: | |
3061 | /* SAE not supported yet */ | |
3062 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3063 | return false; | |
3064 | return true; | |
3065 | default: | |
3066 | return false; | |
3067 | } | |
3068 | } | |
3069 | ||
8860020e JB |
3070 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3071 | { | |
3072 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3073 | struct net_device *dev = info->user_ptr[1]; | |
3074 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3075 | struct cfg80211_ap_settings params; | |
3076 | int err; | |
04f39047 | 3077 | u8 radar_detect_width = 0; |
8860020e JB |
3078 | |
3079 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3080 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3081 | return -EOPNOTSUPP; | |
3082 | ||
3083 | if (!rdev->ops->start_ap) | |
3084 | return -EOPNOTSUPP; | |
3085 | ||
3086 | if (wdev->beacon_interval) | |
3087 | return -EALREADY; | |
3088 | ||
3089 | memset(¶ms, 0, sizeof(params)); | |
3090 | ||
3091 | /* these are required for START_AP */ | |
3092 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3093 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3094 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3095 | return -EINVAL; | |
3096 | ||
a1193be8 | 3097 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3098 | if (err) |
3099 | return err; | |
3100 | ||
3101 | params.beacon_interval = | |
3102 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3103 | params.dtim_period = | |
3104 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3105 | ||
3106 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3107 | if (err) | |
3108 | return err; | |
3109 | ||
3110 | /* | |
3111 | * In theory, some of these attributes should be required here | |
3112 | * but since they were not used when the command was originally | |
3113 | * added, keep them optional for old user space programs to let | |
3114 | * them continue to work with drivers that do not need the | |
3115 | * additional information -- drivers must check! | |
3116 | */ | |
3117 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3118 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3119 | params.ssid_len = | |
3120 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3121 | if (params.ssid_len == 0 || | |
3122 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3123 | return -EINVAL; | |
3124 | } | |
3125 | ||
3126 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3127 | params.hidden_ssid = nla_get_u32( | |
3128 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3129 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3130 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3131 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3132 | return -EINVAL; | |
3133 | } | |
3134 | ||
3135 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3136 | ||
3137 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3138 | params.auth_type = nla_get_u32( | |
3139 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3140 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3141 | NL80211_CMD_START_AP)) | |
8860020e JB |
3142 | return -EINVAL; |
3143 | } else | |
3144 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3145 | ||
3146 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3147 | NL80211_MAX_NR_CIPHER_SUITES); | |
3148 | if (err) | |
3149 | return err; | |
3150 | ||
1b658f11 VT |
3151 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3152 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3153 | return -EOPNOTSUPP; | |
3154 | params.inactivity_timeout = nla_get_u16( | |
3155 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3156 | } | |
3157 | ||
53cabad7 JB |
3158 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3159 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3160 | return -EINVAL; | |
3161 | params.p2p_ctwindow = | |
3162 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3163 | if (params.p2p_ctwindow > 127) | |
3164 | return -EINVAL; | |
3165 | if (params.p2p_ctwindow != 0 && | |
3166 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3167 | return -EINVAL; | |
3168 | } | |
3169 | ||
3170 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3171 | u8 tmp; | |
3172 | ||
3173 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3174 | return -EINVAL; | |
3175 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3176 | if (tmp > 1) | |
3177 | return -EINVAL; | |
3178 | params.p2p_opp_ps = tmp; | |
3179 | if (params.p2p_opp_ps != 0 && | |
3180 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3181 | return -EINVAL; | |
3182 | } | |
3183 | ||
aa430da4 | 3184 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3185 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3186 | if (err) | |
3187 | return err; | |
3188 | } else if (wdev->preset_chandef.chan) { | |
3189 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3190 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3191 | return -EINVAL; |
3192 | ||
683b6d3b | 3193 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) |
aa430da4 JB |
3194 | return -EINVAL; |
3195 | ||
04f39047 SW |
3196 | err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef); |
3197 | if (err < 0) | |
3198 | return err; | |
3199 | if (err) { | |
3200 | radar_detect_width = BIT(params.chandef.width); | |
3201 | params.radar_required = true; | |
3202 | } | |
3203 | ||
04f39047 SW |
3204 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
3205 | params.chandef.chan, | |
3206 | CHAN_MODE_SHARED, | |
3207 | radar_detect_width); | |
e4e32459 MK |
3208 | if (err) |
3209 | return err; | |
3210 | ||
77765eaf VT |
3211 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3212 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3213 | if (IS_ERR(params.acl)) | |
3214 | return PTR_ERR(params.acl); | |
3215 | } | |
3216 | ||
e35e4d28 | 3217 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3218 | if (!err) { |
683b6d3b | 3219 | wdev->preset_chandef = params.chandef; |
8860020e | 3220 | wdev->beacon_interval = params.beacon_interval; |
683b6d3b | 3221 | wdev->channel = params.chandef.chan; |
06e191e2 AQ |
3222 | wdev->ssid_len = params.ssid_len; |
3223 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3224 | } |
77765eaf VT |
3225 | |
3226 | kfree(params.acl); | |
3227 | ||
56d1893d | 3228 | return err; |
ed1b6cc7 JB |
3229 | } |
3230 | ||
8860020e JB |
3231 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3232 | { | |
3233 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3234 | struct net_device *dev = info->user_ptr[1]; | |
3235 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3236 | struct cfg80211_beacon_data params; | |
3237 | int err; | |
3238 | ||
3239 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3240 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3241 | return -EOPNOTSUPP; | |
3242 | ||
3243 | if (!rdev->ops->change_beacon) | |
3244 | return -EOPNOTSUPP; | |
3245 | ||
3246 | if (!wdev->beacon_interval) | |
3247 | return -EINVAL; | |
3248 | ||
a1193be8 | 3249 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3250 | if (err) |
3251 | return err; | |
3252 | ||
e35e4d28 | 3253 | return rdev_change_beacon(rdev, dev, ¶ms); |
8860020e JB |
3254 | } |
3255 | ||
3256 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3257 | { |
4c476991 JB |
3258 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3259 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3260 | |
60771780 | 3261 | return cfg80211_stop_ap(rdev, dev); |
ed1b6cc7 JB |
3262 | } |
3263 | ||
5727ef1b JB |
3264 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3265 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3266 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3267 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3268 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3269 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3270 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3271 | }; |
3272 | ||
eccb8e8f | 3273 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3274 | enum nl80211_iftype iftype, |
eccb8e8f | 3275 | struct station_parameters *params) |
5727ef1b JB |
3276 | { |
3277 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3278 | struct nlattr *nla; |
5727ef1b JB |
3279 | int flag; |
3280 | ||
eccb8e8f JB |
3281 | /* |
3282 | * Try parsing the new attribute first so userspace | |
3283 | * can specify both for older kernels. | |
3284 | */ | |
3285 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3286 | if (nla) { | |
3287 | struct nl80211_sta_flag_update *sta_flags; | |
3288 | ||
3289 | sta_flags = nla_data(nla); | |
3290 | params->sta_flags_mask = sta_flags->mask; | |
3291 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3292 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3293 | if ((params->sta_flags_mask | |
3294 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3295 | return -EINVAL; | |
3296 | return 0; | |
3297 | } | |
3298 | ||
3299 | /* if present, parse the old attribute */ | |
5727ef1b | 3300 | |
eccb8e8f | 3301 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3302 | if (!nla) |
3303 | return 0; | |
3304 | ||
3305 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3306 | nla, sta_flags_policy)) | |
3307 | return -EINVAL; | |
3308 | ||
bdd3ae3d JB |
3309 | /* |
3310 | * Only allow certain flags for interface types so that | |
3311 | * other attributes are silently ignored. Remember that | |
3312 | * this is backward compatibility code with old userspace | |
3313 | * and shouldn't be hit in other cases anyway. | |
3314 | */ | |
3315 | switch (iftype) { | |
3316 | case NL80211_IFTYPE_AP: | |
3317 | case NL80211_IFTYPE_AP_VLAN: | |
3318 | case NL80211_IFTYPE_P2P_GO: | |
3319 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3320 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3321 | BIT(NL80211_STA_FLAG_WME) | | |
3322 | BIT(NL80211_STA_FLAG_MFP); | |
3323 | break; | |
3324 | case NL80211_IFTYPE_P2P_CLIENT: | |
3325 | case NL80211_IFTYPE_STATION: | |
3326 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3327 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3328 | break; | |
3329 | case NL80211_IFTYPE_MESH_POINT: | |
3330 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3331 | BIT(NL80211_STA_FLAG_MFP) | | |
3332 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3333 | default: | |
3334 | return -EINVAL; | |
3335 | } | |
5727ef1b | 3336 | |
3383b5a6 JB |
3337 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3338 | if (flags[flag]) { | |
eccb8e8f | 3339 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3340 | |
3383b5a6 JB |
3341 | /* no longer support new API additions in old API */ |
3342 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3343 | return -EINVAL; | |
3344 | } | |
3345 | } | |
3346 | ||
5727ef1b JB |
3347 | return 0; |
3348 | } | |
3349 | ||
c8dcfd8a FF |
3350 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3351 | int attr) | |
3352 | { | |
3353 | struct nlattr *rate; | |
8eb41c8d VK |
3354 | u32 bitrate; |
3355 | u16 bitrate_compat; | |
c8dcfd8a FF |
3356 | |
3357 | rate = nla_nest_start(msg, attr); | |
3358 | if (!rate) | |
db9c64cf | 3359 | return false; |
c8dcfd8a FF |
3360 | |
3361 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3362 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3363 | /* report 16-bit bitrate only if we can */ |
3364 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3365 | if (bitrate > 0 && |
3366 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3367 | return false; | |
3368 | if (bitrate_compat > 0 && | |
3369 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3370 | return false; | |
3371 | ||
3372 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
3373 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3374 | return false; | |
3375 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3376 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3377 | return false; | |
3378 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3379 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3380 | return false; | |
3381 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3382 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3383 | return false; | |
3384 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3385 | return false; | |
3386 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3387 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3388 | return false; | |
3389 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3390 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3391 | return false; | |
3392 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3393 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3394 | return false; | |
3395 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3396 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3397 | return false; | |
3398 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3399 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3400 | return false; | |
3401 | } | |
c8dcfd8a FF |
3402 | |
3403 | nla_nest_end(msg, rate); | |
3404 | return true; | |
c8dcfd8a FF |
3405 | } |
3406 | ||
119363c7 FF |
3407 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3408 | int id) | |
3409 | { | |
3410 | void *attr; | |
3411 | int i = 0; | |
3412 | ||
3413 | if (!mask) | |
3414 | return true; | |
3415 | ||
3416 | attr = nla_nest_start(msg, id); | |
3417 | if (!attr) | |
3418 | return false; | |
3419 | ||
3420 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3421 | if (!(mask & BIT(i))) | |
3422 | continue; | |
3423 | ||
3424 | if (nla_put_u8(msg, i, signal[i])) | |
3425 | return false; | |
3426 | } | |
3427 | ||
3428 | nla_nest_end(msg, attr); | |
3429 | ||
3430 | return true; | |
3431 | } | |
3432 | ||
15e47304 | 3433 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3434 | int flags, |
3435 | struct cfg80211_registered_device *rdev, | |
3436 | struct net_device *dev, | |
98b62183 | 3437 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3438 | { |
3439 | void *hdr; | |
f4263c98 | 3440 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3441 | |
15e47304 | 3442 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3443 | if (!hdr) |
3444 | return -1; | |
3445 | ||
9360ffd1 DM |
3446 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3447 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3448 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3449 | goto nla_put_failure; | |
f5ea9120 | 3450 | |
2ec600d6 LCC |
3451 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3452 | if (!sinfoattr) | |
fd5b74dc | 3453 | goto nla_put_failure; |
9360ffd1 DM |
3454 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3455 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3456 | sinfo->connected_time)) | |
3457 | goto nla_put_failure; | |
3458 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3459 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3460 | sinfo->inactive_time)) | |
3461 | goto nla_put_failure; | |
42745e03 VK |
3462 | if ((sinfo->filled & (STATION_INFO_RX_BYTES | |
3463 | STATION_INFO_RX_BYTES64)) && | |
9360ffd1 | 3464 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3465 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3466 | goto nla_put_failure; |
42745e03 | 3467 | if ((sinfo->filled & (STATION_INFO_TX_BYTES | |
4325d724 | 3468 | STATION_INFO_TX_BYTES64)) && |
9360ffd1 | 3469 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3470 | (u32)sinfo->tx_bytes)) |
3471 | goto nla_put_failure; | |
3472 | if ((sinfo->filled & STATION_INFO_RX_BYTES64) && | |
3473 | nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, | |
3474 | sinfo->rx_bytes)) | |
3475 | goto nla_put_failure; | |
3476 | if ((sinfo->filled & STATION_INFO_TX_BYTES64) && | |
3477 | nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, | |
9360ffd1 DM |
3478 | sinfo->tx_bytes)) |
3479 | goto nla_put_failure; | |
3480 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3481 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3482 | goto nla_put_failure; | |
3483 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3484 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3485 | goto nla_put_failure; | |
3486 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3487 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3488 | sinfo->plink_state)) | |
3489 | goto nla_put_failure; | |
66266b3a JL |
3490 | switch (rdev->wiphy.signal_type) { |
3491 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3492 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3493 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3494 | sinfo->signal)) | |
3495 | goto nla_put_failure; | |
3496 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3497 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3498 | sinfo->signal_avg)) | |
3499 | goto nla_put_failure; | |
66266b3a JL |
3500 | break; |
3501 | default: | |
3502 | break; | |
3503 | } | |
119363c7 FF |
3504 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { |
3505 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3506 | sinfo->chain_signal, | |
3507 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3508 | goto nla_put_failure; | |
3509 | } | |
3510 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { | |
3511 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3512 | sinfo->chain_signal_avg, | |
3513 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3514 | goto nla_put_failure; | |
3515 | } | |
420e7fab | 3516 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3517 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3518 | NL80211_STA_INFO_TX_BITRATE)) | |
3519 | goto nla_put_failure; | |
3520 | } | |
3521 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3522 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3523 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3524 | goto nla_put_failure; |
420e7fab | 3525 | } |
9360ffd1 DM |
3526 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3527 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3528 | sinfo->rx_packets)) | |
3529 | goto nla_put_failure; | |
3530 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3531 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3532 | sinfo->tx_packets)) | |
3533 | goto nla_put_failure; | |
3534 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3535 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3536 | sinfo->tx_retries)) | |
3537 | goto nla_put_failure; | |
3538 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3539 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3540 | sinfo->tx_failed)) | |
3541 | goto nla_put_failure; | |
3542 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && | |
3543 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3544 | sinfo->beacon_loss_count)) | |
3545 | goto nla_put_failure; | |
3b1c5a53 MP |
3546 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3547 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3548 | sinfo->local_pm)) | |
3549 | goto nla_put_failure; | |
3550 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3551 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3552 | sinfo->peer_pm)) | |
3553 | goto nla_put_failure; | |
3554 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3555 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3556 | sinfo->nonpeer_pm)) | |
3557 | goto nla_put_failure; | |
f4263c98 PS |
3558 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3559 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3560 | if (!bss_param) | |
3561 | goto nla_put_failure; | |
3562 | ||
9360ffd1 DM |
3563 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3564 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3565 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3566 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3567 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3568 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3569 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3570 | sinfo->bss_param.dtim_period) || | |
3571 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3572 | sinfo->bss_param.beacon_interval)) | |
3573 | goto nla_put_failure; | |
f4263c98 PS |
3574 | |
3575 | nla_nest_end(msg, bss_param); | |
3576 | } | |
9360ffd1 DM |
3577 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3578 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3579 | sizeof(struct nl80211_sta_flag_update), | |
3580 | &sinfo->sta_flags)) | |
3581 | goto nla_put_failure; | |
7eab0f64 JL |
3582 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3583 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3584 | sinfo->t_offset)) | |
3585 | goto nla_put_failure; | |
2ec600d6 | 3586 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3587 | |
9360ffd1 DM |
3588 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3589 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3590 | sinfo->assoc_req_ies)) | |
3591 | goto nla_put_failure; | |
50d3dfb7 | 3592 | |
fd5b74dc JB |
3593 | return genlmsg_end(msg, hdr); |
3594 | ||
3595 | nla_put_failure: | |
bc3ed28c TG |
3596 | genlmsg_cancel(msg, hdr); |
3597 | return -EMSGSIZE; | |
fd5b74dc JB |
3598 | } |
3599 | ||
2ec600d6 | 3600 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3601 | struct netlink_callback *cb) |
2ec600d6 | 3602 | { |
2ec600d6 LCC |
3603 | struct station_info sinfo; |
3604 | struct cfg80211_registered_device *dev; | |
97990a06 | 3605 | struct wireless_dev *wdev; |
2ec600d6 | 3606 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3607 | int sta_idx = cb->args[2]; |
2ec600d6 | 3608 | int err; |
2ec600d6 | 3609 | |
97990a06 | 3610 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
3611 | if (err) |
3612 | return err; | |
bba95fef | 3613 | |
97990a06 JB |
3614 | if (!wdev->netdev) { |
3615 | err = -EINVAL; | |
3616 | goto out_err; | |
3617 | } | |
3618 | ||
bba95fef | 3619 | if (!dev->ops->dump_station) { |
eec60b03 | 3620 | err = -EOPNOTSUPP; |
bba95fef JB |
3621 | goto out_err; |
3622 | } | |
3623 | ||
bba95fef | 3624 | while (1) { |
f612cedf | 3625 | memset(&sinfo, 0, sizeof(sinfo)); |
97990a06 | 3626 | err = rdev_dump_station(dev, wdev->netdev, sta_idx, |
e35e4d28 | 3627 | mac_addr, &sinfo); |
bba95fef JB |
3628 | if (err == -ENOENT) |
3629 | break; | |
3630 | if (err) | |
3b85875a | 3631 | goto out_err; |
bba95fef JB |
3632 | |
3633 | if (nl80211_send_station(skb, | |
15e47304 | 3634 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3635 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 3636 | dev, wdev->netdev, mac_addr, |
bba95fef JB |
3637 | &sinfo) < 0) |
3638 | goto out; | |
3639 | ||
3640 | sta_idx++; | |
3641 | } | |
3642 | ||
3643 | ||
3644 | out: | |
97990a06 | 3645 | cb->args[2] = sta_idx; |
bba95fef | 3646 | err = skb->len; |
bba95fef | 3647 | out_err: |
97990a06 | 3648 | nl80211_finish_wdev_dump(dev); |
bba95fef JB |
3649 | |
3650 | return err; | |
2ec600d6 | 3651 | } |
fd5b74dc | 3652 | |
5727ef1b JB |
3653 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3654 | { | |
4c476991 JB |
3655 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3656 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3657 | struct station_info sinfo; |
fd5b74dc JB |
3658 | struct sk_buff *msg; |
3659 | u8 *mac_addr = NULL; | |
4c476991 | 3660 | int err; |
fd5b74dc | 3661 | |
2ec600d6 | 3662 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3663 | |
3664 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3665 | return -EINVAL; | |
3666 | ||
3667 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3668 | ||
4c476991 JB |
3669 | if (!rdev->ops->get_station) |
3670 | return -EOPNOTSUPP; | |
3b85875a | 3671 | |
e35e4d28 | 3672 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3673 | if (err) |
4c476991 | 3674 | return err; |
2ec600d6 | 3675 | |
fd2120ca | 3676 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3677 | if (!msg) |
4c476991 | 3678 | return -ENOMEM; |
fd5b74dc | 3679 | |
15e47304 | 3680 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3681 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3682 | nlmsg_free(msg); |
3683 | return -ENOBUFS; | |
3684 | } | |
3b85875a | 3685 | |
4c476991 | 3686 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3687 | } |
3688 | ||
77ee7c89 JB |
3689 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3690 | struct station_parameters *params, | |
3691 | enum cfg80211_station_type statype) | |
3692 | { | |
3693 | if (params->listen_interval != -1) | |
3694 | return -EINVAL; | |
3695 | if (params->aid) | |
3696 | return -EINVAL; | |
3697 | ||
3698 | /* When you run into this, adjust the code below for the new flag */ | |
3699 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3700 | ||
3701 | switch (statype) { | |
eef941e6 TP |
3702 | case CFG80211_STA_MESH_PEER_KERNEL: |
3703 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3704 | /* |
3705 | * No ignoring the TDLS flag here -- the userspace mesh | |
3706 | * code doesn't have the bug of including TDLS in the | |
3707 | * mask everywhere. | |
3708 | */ | |
3709 | if (params->sta_flags_mask & | |
3710 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3711 | BIT(NL80211_STA_FLAG_MFP) | | |
3712 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3713 | return -EINVAL; | |
3714 | break; | |
3715 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3716 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3717 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3718 | return -EINVAL; | |
3719 | /* ignore since it can't change */ | |
3720 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3721 | break; | |
3722 | default: | |
3723 | /* disallow mesh-specific things */ | |
3724 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3725 | return -EINVAL; | |
3726 | if (params->local_pm) | |
3727 | return -EINVAL; | |
3728 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3729 | return -EINVAL; | |
3730 | } | |
3731 | ||
3732 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
3733 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
3734 | /* TDLS can't be set, ... */ | |
3735 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3736 | return -EINVAL; | |
3737 | /* | |
3738 | * ... but don't bother the driver with it. This works around | |
3739 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3740 | * TLDS_PEER flag in the mask even for AP mode. | |
3741 | */ | |
3742 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3743 | } | |
3744 | ||
3745 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
3746 | /* reject other things that can't change */ | |
3747 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
3748 | return -EINVAL; | |
3749 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
3750 | return -EINVAL; | |
3751 | if (params->supported_rates) | |
3752 | return -EINVAL; | |
3753 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
3754 | return -EINVAL; | |
3755 | } | |
3756 | ||
3757 | if (statype != CFG80211_STA_AP_CLIENT) { | |
3758 | if (params->vlan) | |
3759 | return -EINVAL; | |
3760 | } | |
3761 | ||
3762 | switch (statype) { | |
3763 | case CFG80211_STA_AP_MLME_CLIENT: | |
3764 | /* Use this only for authorizing/unauthorizing a station */ | |
3765 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3766 | return -EOPNOTSUPP; | |
3767 | break; | |
3768 | case CFG80211_STA_AP_CLIENT: | |
3769 | /* accept only the listed bits */ | |
3770 | if (params->sta_flags_mask & | |
3771 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3772 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3773 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3774 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3775 | BIT(NL80211_STA_FLAG_WME) | | |
3776 | BIT(NL80211_STA_FLAG_MFP))) | |
3777 | return -EINVAL; | |
3778 | ||
3779 | /* but authenticated/associated only if driver handles it */ | |
3780 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3781 | params->sta_flags_mask & | |
3782 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3783 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3784 | return -EINVAL; | |
3785 | break; | |
3786 | case CFG80211_STA_IBSS: | |
3787 | case CFG80211_STA_AP_STA: | |
3788 | /* reject any changes other than AUTHORIZED */ | |
3789 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
3790 | return -EINVAL; | |
3791 | break; | |
3792 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3793 | /* reject any changes other than AUTHORIZED or WME */ | |
3794 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3795 | BIT(NL80211_STA_FLAG_WME))) | |
3796 | return -EINVAL; | |
3797 | /* force (at least) rates when authorizing */ | |
3798 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
3799 | !params->supported_rates) | |
3800 | return -EINVAL; | |
3801 | break; | |
3802 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3803 | /* reject any changes */ | |
3804 | return -EINVAL; | |
eef941e6 | 3805 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
3806 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
3807 | return -EINVAL; | |
3808 | break; | |
eef941e6 | 3809 | case CFG80211_STA_MESH_PEER_USER: |
77ee7c89 JB |
3810 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) |
3811 | return -EINVAL; | |
3812 | break; | |
3813 | } | |
3814 | ||
3815 | return 0; | |
3816 | } | |
3817 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
3818 | ||
5727ef1b | 3819 | /* |
c258d2de | 3820 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 3821 | */ |
80b99899 JB |
3822 | static struct net_device *get_vlan(struct genl_info *info, |
3823 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 3824 | { |
463d0183 | 3825 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
3826 | struct net_device *v; |
3827 | int ret; | |
3828 | ||
3829 | if (!vlanattr) | |
3830 | return NULL; | |
3831 | ||
3832 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
3833 | if (!v) | |
3834 | return ERR_PTR(-ENODEV); | |
3835 | ||
3836 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
3837 | ret = -EINVAL; | |
3838 | goto error; | |
5727ef1b | 3839 | } |
80b99899 | 3840 | |
77ee7c89 JB |
3841 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
3842 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3843 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
3844 | ret = -EINVAL; | |
3845 | goto error; | |
3846 | } | |
3847 | ||
80b99899 JB |
3848 | if (!netif_running(v)) { |
3849 | ret = -ENETDOWN; | |
3850 | goto error; | |
3851 | } | |
3852 | ||
3853 | return v; | |
3854 | error: | |
3855 | dev_put(v); | |
3856 | return ERR_PTR(ret); | |
5727ef1b JB |
3857 | } |
3858 | ||
df881293 JM |
3859 | static struct nla_policy |
3860 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { | |
3861 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, | |
3862 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
3863 | }; | |
3864 | ||
ff276691 JB |
3865 | static int nl80211_parse_sta_wme(struct genl_info *info, |
3866 | struct station_parameters *params) | |
df881293 | 3867 | { |
df881293 JM |
3868 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
3869 | struct nlattr *nla; | |
3870 | int err; | |
3871 | ||
df881293 JM |
3872 | /* parse WME attributes if present */ |
3873 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
3874 | return 0; | |
3875 | ||
3876 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
3877 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
3878 | nl80211_sta_wme_policy); | |
3879 | if (err) | |
3880 | return err; | |
3881 | ||
3882 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
3883 | params->uapsd_queues = nla_get_u8( | |
3884 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
3885 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
3886 | return -EINVAL; | |
3887 | ||
3888 | if (tb[NL80211_STA_WME_MAX_SP]) | |
3889 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
3890 | ||
3891 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
3892 | return -EINVAL; | |
3893 | ||
3894 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
3895 | ||
3896 | return 0; | |
3897 | } | |
3898 | ||
ff276691 JB |
3899 | static int nl80211_set_station_tdls(struct genl_info *info, |
3900 | struct station_parameters *params) | |
3901 | { | |
3902 | /* Dummy STA entry gets updated once the peer capabilities are known */ | |
5e4b6f56 JM |
3903 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
3904 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
3905 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
3906 | params->ht_capa = | |
3907 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
3908 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
3909 | params->vht_capa = | |
3910 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
3911 | ||
3912 | return nl80211_parse_sta_wme(info, params); | |
3913 | } | |
3914 | ||
5727ef1b JB |
3915 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
3916 | { | |
4c476991 | 3917 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 3918 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 3919 | struct station_parameters params; |
77ee7c89 JB |
3920 | u8 *mac_addr; |
3921 | int err; | |
5727ef1b JB |
3922 | |
3923 | memset(¶ms, 0, sizeof(params)); | |
3924 | ||
3925 | params.listen_interval = -1; | |
3926 | ||
77ee7c89 JB |
3927 | if (!rdev->ops->change_station) |
3928 | return -EOPNOTSUPP; | |
3929 | ||
5727ef1b JB |
3930 | if (info->attrs[NL80211_ATTR_STA_AID]) |
3931 | return -EINVAL; | |
3932 | ||
3933 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3934 | return -EINVAL; | |
3935 | ||
3936 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3937 | ||
3938 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
3939 | params.supported_rates = | |
3940 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
3941 | params.supported_rates_len = | |
3942 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
3943 | } | |
3944 | ||
9d62a986 JM |
3945 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
3946 | params.capability = | |
3947 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
3948 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
3949 | } | |
3950 | ||
3951 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
3952 | params.ext_capab = | |
3953 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
3954 | params.ext_capab_len = | |
3955 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
3956 | } | |
3957 | ||
df881293 | 3958 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 3959 | return -EINVAL; |
36aedc90 | 3960 | |
bdd3ae3d | 3961 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
3962 | return -EINVAL; |
3963 | ||
f8bacc21 | 3964 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 3965 | params.plink_action = |
f8bacc21 JB |
3966 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
3967 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
3968 | return -EINVAL; | |
3969 | } | |
2ec600d6 | 3970 | |
f8bacc21 | 3971 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 3972 | params.plink_state = |
f8bacc21 JB |
3973 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
3974 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
3975 | return -EINVAL; | |
3976 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
3977 | } | |
9c3990aa | 3978 | |
3b1c5a53 MP |
3979 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
3980 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
3981 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
3982 | ||
3983 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
3984 | pm > NL80211_MESH_POWER_MAX) | |
3985 | return -EINVAL; | |
3986 | ||
3987 | params.local_pm = pm; | |
3988 | } | |
3989 | ||
77ee7c89 JB |
3990 | /* Include parameters for TDLS peer (will check later) */ |
3991 | err = nl80211_set_station_tdls(info, ¶ms); | |
3992 | if (err) | |
3993 | return err; | |
3994 | ||
3995 | params.vlan = get_vlan(info, rdev); | |
3996 | if (IS_ERR(params.vlan)) | |
3997 | return PTR_ERR(params.vlan); | |
3998 | ||
a97f4424 JB |
3999 | switch (dev->ieee80211_ptr->iftype) { |
4000 | case NL80211_IFTYPE_AP: | |
4001 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4002 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4003 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4004 | case NL80211_IFTYPE_STATION: |
267335d6 | 4005 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4006 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4007 | break; |
4008 | default: | |
77ee7c89 JB |
4009 | err = -EOPNOTSUPP; |
4010 | goto out_put_vlan; | |
034d655e JB |
4011 | } |
4012 | ||
77ee7c89 | 4013 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4014 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4015 | |
77ee7c89 | 4016 | out_put_vlan: |
5727ef1b JB |
4017 | if (params.vlan) |
4018 | dev_put(params.vlan); | |
3b85875a | 4019 | |
5727ef1b JB |
4020 | return err; |
4021 | } | |
4022 | ||
4023 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4024 | { | |
4c476991 | 4025 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4026 | int err; |
4c476991 | 4027 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4028 | struct station_parameters params; |
4029 | u8 *mac_addr = NULL; | |
4030 | ||
4031 | memset(¶ms, 0, sizeof(params)); | |
4032 | ||
984c311b JB |
4033 | if (!rdev->ops->add_station) |
4034 | return -EOPNOTSUPP; | |
4035 | ||
5727ef1b JB |
4036 | if (!info->attrs[NL80211_ATTR_MAC]) |
4037 | return -EINVAL; | |
4038 | ||
5727ef1b JB |
4039 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4040 | return -EINVAL; | |
4041 | ||
4042 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4043 | return -EINVAL; | |
4044 | ||
5e4b6f56 JM |
4045 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4046 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4047 | return -EINVAL; |
4048 | ||
5727ef1b JB |
4049 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4050 | params.supported_rates = | |
4051 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4052 | params.supported_rates_len = | |
4053 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4054 | params.listen_interval = | |
4055 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4056 | |
3d124ea2 | 4057 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4058 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4059 | else |
4060 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4061 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4062 | return -EINVAL; | |
51b50fbe | 4063 | |
9d62a986 JM |
4064 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4065 | params.capability = | |
4066 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4067 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4068 | } | |
4069 | ||
4070 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4071 | params.ext_capab = | |
4072 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4073 | params.ext_capab_len = | |
4074 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4075 | } | |
4076 | ||
36aedc90 JM |
4077 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4078 | params.ht_capa = | |
4079 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4080 | |
f461be3e MP |
4081 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4082 | params.vht_capa = | |
4083 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4084 | ||
f8bacc21 | 4085 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4086 | params.plink_action = |
f8bacc21 JB |
4087 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4088 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4089 | return -EINVAL; | |
4090 | } | |
96b78dff | 4091 | |
ff276691 JB |
4092 | err = nl80211_parse_sta_wme(info, ¶ms); |
4093 | if (err) | |
4094 | return err; | |
bdd90d5e | 4095 | |
bdd3ae3d | 4096 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4097 | return -EINVAL; |
4098 | ||
77ee7c89 JB |
4099 | /* When you run into this, adjust the code below for the new flag */ |
4100 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4101 | ||
bdd90d5e JB |
4102 | switch (dev->ieee80211_ptr->iftype) { |
4103 | case NL80211_IFTYPE_AP: | |
4104 | case NL80211_IFTYPE_AP_VLAN: | |
4105 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4106 | /* ignore WME attributes if iface/sta is not capable */ |
4107 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4108 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4109 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4110 | |
bdd90d5e | 4111 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4112 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4113 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4114 | return -EINVAL; |
bdd90d5e JB |
4115 | /* but don't bother the driver with it */ |
4116 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4117 | |
d582cffb JB |
4118 | /* allow authenticated/associated only if driver handles it */ |
4119 | if (!(rdev->wiphy.features & | |
4120 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4121 | params.sta_flags_mask & | |
4122 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4123 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4124 | return -EINVAL; | |
4125 | ||
bdd90d5e JB |
4126 | /* must be last in here for error handling */ |
4127 | params.vlan = get_vlan(info, rdev); | |
4128 | if (IS_ERR(params.vlan)) | |
4129 | return PTR_ERR(params.vlan); | |
4130 | break; | |
4131 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4132 | /* ignore uAPSD data */ |
4133 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4134 | ||
d582cffb JB |
4135 | /* associated is disallowed */ |
4136 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4137 | return -EINVAL; | |
bdd90d5e | 4138 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4139 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4140 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4141 | return -EINVAL; |
4142 | break; | |
4143 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4144 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4145 | /* ignore uAPSD data */ |
4146 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4147 | ||
77ee7c89 JB |
4148 | /* these are disallowed */ |
4149 | if (params.sta_flags_mask & | |
4150 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4151 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4152 | return -EINVAL; |
bdd90d5e JB |
4153 | /* Only TDLS peers can be added */ |
4154 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4155 | return -EINVAL; | |
4156 | /* Can only add if TDLS ... */ | |
4157 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4158 | return -EOPNOTSUPP; | |
4159 | /* ... with external setup is supported */ | |
4160 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4161 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4162 | /* |
4163 | * Older wpa_supplicant versions always mark the TDLS peer | |
4164 | * as authorized, but it shouldn't yet be. | |
4165 | */ | |
4166 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4167 | break; |
4168 | default: | |
4169 | return -EOPNOTSUPP; | |
c75786c9 EP |
4170 | } |
4171 | ||
bdd90d5e | 4172 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4173 | |
e35e4d28 | 4174 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4175 | |
5727ef1b JB |
4176 | if (params.vlan) |
4177 | dev_put(params.vlan); | |
5727ef1b JB |
4178 | return err; |
4179 | } | |
4180 | ||
4181 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4182 | { | |
4c476991 JB |
4183 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4184 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
4185 | u8 *mac_addr = NULL; |
4186 | ||
4187 | if (info->attrs[NL80211_ATTR_MAC]) | |
4188 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4189 | ||
e80cf853 | 4190 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4191 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4192 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4193 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4194 | return -EINVAL; | |
5727ef1b | 4195 | |
4c476991 JB |
4196 | if (!rdev->ops->del_station) |
4197 | return -EOPNOTSUPP; | |
3b85875a | 4198 | |
e35e4d28 | 4199 | return rdev_del_station(rdev, dev, mac_addr); |
5727ef1b JB |
4200 | } |
4201 | ||
15e47304 | 4202 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4203 | int flags, struct net_device *dev, |
4204 | u8 *dst, u8 *next_hop, | |
4205 | struct mpath_info *pinfo) | |
4206 | { | |
4207 | void *hdr; | |
4208 | struct nlattr *pinfoattr; | |
4209 | ||
15e47304 | 4210 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
2ec600d6 LCC |
4211 | if (!hdr) |
4212 | return -1; | |
4213 | ||
9360ffd1 DM |
4214 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4215 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4216 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4217 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4218 | goto nla_put_failure; | |
f5ea9120 | 4219 | |
2ec600d6 LCC |
4220 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4221 | if (!pinfoattr) | |
4222 | goto nla_put_failure; | |
9360ffd1 DM |
4223 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4224 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4225 | pinfo->frame_qlen)) | |
4226 | goto nla_put_failure; | |
4227 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4228 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4229 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4230 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4231 | pinfo->metric)) || | |
4232 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4233 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4234 | pinfo->exptime)) || | |
4235 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4236 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4237 | pinfo->flags)) || | |
4238 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4239 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4240 | pinfo->discovery_timeout)) || | |
4241 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4242 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4243 | pinfo->discovery_retries))) | |
4244 | goto nla_put_failure; | |
2ec600d6 LCC |
4245 | |
4246 | nla_nest_end(msg, pinfoattr); | |
4247 | ||
4248 | return genlmsg_end(msg, hdr); | |
4249 | ||
4250 | nla_put_failure: | |
bc3ed28c TG |
4251 | genlmsg_cancel(msg, hdr); |
4252 | return -EMSGSIZE; | |
2ec600d6 LCC |
4253 | } |
4254 | ||
4255 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4256 | struct netlink_callback *cb) |
2ec600d6 | 4257 | { |
2ec600d6 LCC |
4258 | struct mpath_info pinfo; |
4259 | struct cfg80211_registered_device *dev; | |
97990a06 | 4260 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4261 | u8 dst[ETH_ALEN]; |
4262 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4263 | int path_idx = cb->args[2]; |
2ec600d6 | 4264 | int err; |
2ec600d6 | 4265 | |
97990a06 | 4266 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
4267 | if (err) |
4268 | return err; | |
bba95fef JB |
4269 | |
4270 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 4271 | err = -EOPNOTSUPP; |
bba95fef JB |
4272 | goto out_err; |
4273 | } | |
4274 | ||
97990a06 | 4275 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4276 | err = -EOPNOTSUPP; |
0448b5fc | 4277 | goto out_err; |
eec60b03 JM |
4278 | } |
4279 | ||
bba95fef | 4280 | while (1) { |
97990a06 JB |
4281 | err = rdev_dump_mpath(dev, wdev->netdev, path_idx, dst, |
4282 | next_hop, &pinfo); | |
bba95fef | 4283 | if (err == -ENOENT) |
2ec600d6 | 4284 | break; |
bba95fef | 4285 | if (err) |
3b85875a | 4286 | goto out_err; |
2ec600d6 | 4287 | |
15e47304 | 4288 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4289 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4290 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4291 | &pinfo) < 0) |
4292 | goto out; | |
2ec600d6 | 4293 | |
bba95fef | 4294 | path_idx++; |
2ec600d6 | 4295 | } |
2ec600d6 | 4296 | |
2ec600d6 | 4297 | |
bba95fef | 4298 | out: |
97990a06 | 4299 | cb->args[2] = path_idx; |
bba95fef | 4300 | err = skb->len; |
bba95fef | 4301 | out_err: |
97990a06 | 4302 | nl80211_finish_wdev_dump(dev); |
bba95fef | 4303 | return err; |
2ec600d6 LCC |
4304 | } |
4305 | ||
4306 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4307 | { | |
4c476991 | 4308 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4309 | int err; |
4c476991 | 4310 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4311 | struct mpath_info pinfo; |
4312 | struct sk_buff *msg; | |
4313 | u8 *dst = NULL; | |
4314 | u8 next_hop[ETH_ALEN]; | |
4315 | ||
4316 | memset(&pinfo, 0, sizeof(pinfo)); | |
4317 | ||
4318 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4319 | return -EINVAL; | |
4320 | ||
4321 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4322 | ||
4c476991 JB |
4323 | if (!rdev->ops->get_mpath) |
4324 | return -EOPNOTSUPP; | |
2ec600d6 | 4325 | |
4c476991 JB |
4326 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4327 | return -EOPNOTSUPP; | |
eec60b03 | 4328 | |
e35e4d28 | 4329 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4330 | if (err) |
4c476991 | 4331 | return err; |
2ec600d6 | 4332 | |
fd2120ca | 4333 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4334 | if (!msg) |
4c476991 | 4335 | return -ENOMEM; |
2ec600d6 | 4336 | |
15e47304 | 4337 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4338 | dev, dst, next_hop, &pinfo) < 0) { |
4339 | nlmsg_free(msg); | |
4340 | return -ENOBUFS; | |
4341 | } | |
3b85875a | 4342 | |
4c476991 | 4343 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4344 | } |
4345 | ||
4346 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4347 | { | |
4c476991 JB |
4348 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4349 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4350 | u8 *dst = NULL; |
4351 | u8 *next_hop = NULL; | |
4352 | ||
4353 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4354 | return -EINVAL; | |
4355 | ||
4356 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4357 | return -EINVAL; | |
4358 | ||
4359 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4360 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4361 | ||
4c476991 JB |
4362 | if (!rdev->ops->change_mpath) |
4363 | return -EOPNOTSUPP; | |
35a8efe1 | 4364 | |
4c476991 JB |
4365 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4366 | return -EOPNOTSUPP; | |
2ec600d6 | 4367 | |
e35e4d28 | 4368 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4369 | } |
4c476991 | 4370 | |
2ec600d6 LCC |
4371 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4372 | { | |
4c476991 JB |
4373 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4374 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4375 | u8 *dst = NULL; |
4376 | u8 *next_hop = NULL; | |
4377 | ||
4378 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4379 | return -EINVAL; | |
4380 | ||
4381 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4382 | return -EINVAL; | |
4383 | ||
4384 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4385 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4386 | ||
4c476991 JB |
4387 | if (!rdev->ops->add_mpath) |
4388 | return -EOPNOTSUPP; | |
35a8efe1 | 4389 | |
4c476991 JB |
4390 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4391 | return -EOPNOTSUPP; | |
2ec600d6 | 4392 | |
e35e4d28 | 4393 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4394 | } |
4395 | ||
4396 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4397 | { | |
4c476991 JB |
4398 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4399 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4400 | u8 *dst = NULL; |
4401 | ||
4402 | if (info->attrs[NL80211_ATTR_MAC]) | |
4403 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4404 | ||
4c476991 JB |
4405 | if (!rdev->ops->del_mpath) |
4406 | return -EOPNOTSUPP; | |
3b85875a | 4407 | |
e35e4d28 | 4408 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4409 | } |
4410 | ||
9f1ba906 JM |
4411 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4412 | { | |
4c476991 JB |
4413 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4414 | struct net_device *dev = info->user_ptr[1]; | |
9f1ba906 JM |
4415 | struct bss_parameters params; |
4416 | ||
4417 | memset(¶ms, 0, sizeof(params)); | |
4418 | /* default to not changing parameters */ | |
4419 | params.use_cts_prot = -1; | |
4420 | params.use_short_preamble = -1; | |
4421 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4422 | params.ap_isolate = -1; |
50b12f59 | 4423 | params.ht_opmode = -1; |
53cabad7 JB |
4424 | params.p2p_ctwindow = -1; |
4425 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4426 | |
4427 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4428 | params.use_cts_prot = | |
4429 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4430 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4431 | params.use_short_preamble = | |
4432 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4433 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4434 | params.use_short_slot_time = | |
4435 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4436 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4437 | params.basic_rates = | |
4438 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4439 | params.basic_rates_len = | |
4440 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4441 | } | |
fd8aaaf3 FF |
4442 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4443 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4444 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4445 | params.ht_opmode = | |
4446 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4447 | |
53cabad7 JB |
4448 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4449 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4450 | return -EINVAL; | |
4451 | params.p2p_ctwindow = | |
4452 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4453 | if (params.p2p_ctwindow < 0) | |
4454 | return -EINVAL; | |
4455 | if (params.p2p_ctwindow != 0 && | |
4456 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4457 | return -EINVAL; | |
4458 | } | |
4459 | ||
4460 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4461 | u8 tmp; | |
4462 | ||
4463 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4464 | return -EINVAL; | |
4465 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4466 | if (tmp > 1) | |
4467 | return -EINVAL; | |
4468 | params.p2p_opp_ps = tmp; | |
4469 | if (params.p2p_opp_ps && | |
4470 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4471 | return -EINVAL; | |
4472 | } | |
4473 | ||
4c476991 JB |
4474 | if (!rdev->ops->change_bss) |
4475 | return -EOPNOTSUPP; | |
9f1ba906 | 4476 | |
074ac8df | 4477 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4478 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4479 | return -EOPNOTSUPP; | |
3b85875a | 4480 | |
e35e4d28 | 4481 | return rdev_change_bss(rdev, dev, ¶ms); |
9f1ba906 JM |
4482 | } |
4483 | ||
b54452b0 | 4484 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4485 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4486 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4487 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4488 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4489 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4490 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
4491 | }; | |
4492 | ||
4493 | static int parse_reg_rule(struct nlattr *tb[], | |
4494 | struct ieee80211_reg_rule *reg_rule) | |
4495 | { | |
4496 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4497 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4498 | ||
4499 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4500 | return -EINVAL; | |
4501 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4502 | return -EINVAL; | |
4503 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4504 | return -EINVAL; | |
4505 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
4506 | return -EINVAL; | |
4507 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
4508 | return -EINVAL; | |
4509 | ||
4510 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4511 | ||
4512 | freq_range->start_freq_khz = | |
4513 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4514 | freq_range->end_freq_khz = | |
4515 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
4516 | freq_range->max_bandwidth_khz = | |
4517 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
4518 | ||
4519 | power_rule->max_eirp = | |
4520 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4521 | ||
4522 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4523 | power_rule->max_antenna_gain = | |
4524 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4525 | ||
4526 | return 0; | |
4527 | } | |
4528 | ||
4529 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4530 | { | |
4531 | int r; | |
4532 | char *data = NULL; | |
57b5ce07 | 4533 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 4534 | |
80778f18 LR |
4535 | /* |
4536 | * You should only get this when cfg80211 hasn't yet initialized | |
4537 | * completely when built-in to the kernel right between the time | |
4538 | * window between nl80211_init() and regulatory_init(), if that is | |
4539 | * even possible. | |
4540 | */ | |
458f4f9e | 4541 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4542 | return -EINPROGRESS; |
80778f18 | 4543 | |
fe33eb39 LR |
4544 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
4545 | return -EINVAL; | |
b2e1b302 LR |
4546 | |
4547 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4548 | ||
57b5ce07 LR |
4549 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
4550 | user_reg_hint_type = | |
4551 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
4552 | else | |
4553 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
4554 | ||
4555 | switch (user_reg_hint_type) { | |
4556 | case NL80211_USER_REG_HINT_USER: | |
4557 | case NL80211_USER_REG_HINT_CELL_BASE: | |
4558 | break; | |
4559 | default: | |
4560 | return -EINVAL; | |
4561 | } | |
4562 | ||
4563 | r = regulatory_hint_user(data, user_reg_hint_type); | |
fe33eb39 | 4564 | |
b2e1b302 LR |
4565 | return r; |
4566 | } | |
4567 | ||
24bdd9f4 | 4568 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 4569 | struct genl_info *info) |
93da9cc1 | 4570 | { |
4c476991 | 4571 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4572 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
4573 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4574 | struct mesh_config cur_params; | |
4575 | int err = 0; | |
93da9cc1 | 4576 | void *hdr; |
4577 | struct nlattr *pinfoattr; | |
4578 | struct sk_buff *msg; | |
4579 | ||
29cbe68c JB |
4580 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4581 | return -EOPNOTSUPP; | |
4582 | ||
24bdd9f4 | 4583 | if (!rdev->ops->get_mesh_config) |
4c476991 | 4584 | return -EOPNOTSUPP; |
f3f92586 | 4585 | |
29cbe68c JB |
4586 | wdev_lock(wdev); |
4587 | /* If not connected, get default parameters */ | |
4588 | if (!wdev->mesh_id_len) | |
4589 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4590 | else | |
e35e4d28 | 4591 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4592 | wdev_unlock(wdev); |
4593 | ||
93da9cc1 | 4594 | if (err) |
4c476991 | 4595 | return err; |
93da9cc1 | 4596 | |
4597 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4598 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4599 | if (!msg) |
4600 | return -ENOMEM; | |
15e47304 | 4601 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4602 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4603 | if (!hdr) |
efe1cf0c | 4604 | goto out; |
24bdd9f4 | 4605 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4606 | if (!pinfoattr) |
4607 | goto nla_put_failure; | |
9360ffd1 DM |
4608 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4609 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4610 | cur_params.dot11MeshRetryTimeout) || | |
4611 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4612 | cur_params.dot11MeshConfirmTimeout) || | |
4613 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4614 | cur_params.dot11MeshHoldingTimeout) || | |
4615 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
4616 | cur_params.dot11MeshMaxPeerLinks) || | |
4617 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
4618 | cur_params.dot11MeshMaxRetries) || | |
4619 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
4620 | cur_params.dot11MeshTTL) || | |
4621 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
4622 | cur_params.element_ttl) || | |
4623 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
4624 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
4625 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4626 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
4627 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4628 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
4629 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
4630 | cur_params.path_refresh_time) || | |
4631 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
4632 | cur_params.min_discovery_timeout) || | |
4633 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
4634 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
4635 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
4636 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
4637 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
4638 | cur_params.dot11MeshHWMPperrMinInterval) || | |
4639 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
4640 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
4641 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4642 | cur_params.dot11MeshHWMPRootMode) || | |
4643 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
4644 | cur_params.dot11MeshHWMPRannInterval) || | |
4645 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
4646 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
4647 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
4648 | cur_params.dot11MeshForwarding) || | |
4649 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
4650 | cur_params.rssi_threshold) || |
4651 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
4652 | cur_params.ht_opmode) || |
4653 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
4654 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
4655 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
4656 | cur_params.dot11MeshHWMProotInterval) || |
4657 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
4658 | cur_params.dot11MeshHWMPconfirmationInterval) || |
4659 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
4660 | cur_params.power_mode) || | |
4661 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
4662 | cur_params.dot11MeshAwakeWindowDuration) || |
4663 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4664 | cur_params.plink_timeout)) | |
9360ffd1 | 4665 | goto nla_put_failure; |
93da9cc1 | 4666 | nla_nest_end(msg, pinfoattr); |
4667 | genlmsg_end(msg, hdr); | |
4c476991 | 4668 | return genlmsg_reply(msg, info); |
93da9cc1 | 4669 | |
3b85875a | 4670 | nla_put_failure: |
93da9cc1 | 4671 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 4672 | out: |
d080e275 | 4673 | nlmsg_free(msg); |
4c476991 | 4674 | return -ENOBUFS; |
93da9cc1 | 4675 | } |
4676 | ||
b54452b0 | 4677 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 4678 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
4679 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
4680 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
4681 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
4682 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
4683 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 4684 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 4685 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 4686 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 4687 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
4688 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
4689 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
4690 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
4691 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 4692 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 4693 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 4694 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 4695 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 4696 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 4697 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
4698 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
4699 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
4700 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
4701 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 4702 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
4703 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
4704 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 4705 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 4706 | }; |
4707 | ||
c80d545d JC |
4708 | static const struct nla_policy |
4709 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 4710 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
4711 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
4712 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 4713 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 4714 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 4715 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 4716 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 4717 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 4718 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
4719 | }; |
4720 | ||
24bdd9f4 | 4721 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
4722 | struct mesh_config *cfg, |
4723 | u32 *mask_out) | |
93da9cc1 | 4724 | { |
93da9cc1 | 4725 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 4726 | u32 mask = 0; |
93da9cc1 | 4727 | |
ea54fba2 MP |
4728 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
4729 | do { \ | |
4730 | if (tb[attr]) { \ | |
4731 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
4732 | return -EINVAL; \ | |
4733 | cfg->param = fn(tb[attr]); \ | |
4734 | mask |= (1 << (attr - 1)); \ | |
4735 | } \ | |
4736 | } while (0) | |
bd90fdcc JB |
4737 | |
4738 | ||
24bdd9f4 | 4739 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 4740 | return -EINVAL; |
4741 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 4742 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 4743 | nl80211_meshconf_params_policy)) |
93da9cc1 | 4744 | return -EINVAL; |
4745 | ||
93da9cc1 | 4746 | /* This makes sure that there aren't more than 32 mesh config |
4747 | * parameters (otherwise our bitfield scheme would not work.) */ | |
4748 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
4749 | ||
4750 | /* Fill in the params struct */ | |
ea54fba2 | 4751 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
4752 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
4753 | nla_get_u16); | |
ea54fba2 | 4754 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
4755 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
4756 | nla_get_u16); | |
ea54fba2 | 4757 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
4758 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
4759 | nla_get_u16); | |
ea54fba2 | 4760 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
4761 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
4762 | nla_get_u16); | |
ea54fba2 | 4763 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
4764 | mask, NL80211_MESHCONF_MAX_RETRIES, |
4765 | nla_get_u8); | |
ea54fba2 | 4766 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 4767 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 4768 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
4769 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
4770 | nla_get_u8); | |
ea54fba2 | 4771 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
4772 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
4773 | nla_get_u8); | |
ea54fba2 MP |
4774 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
4775 | 1, 255, mask, | |
a4f606ea CYY |
4776 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4777 | nla_get_u32); | |
ea54fba2 | 4778 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
4779 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4780 | nla_get_u8); | |
ea54fba2 | 4781 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
4782 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
4783 | nla_get_u32); | |
ea54fba2 | 4784 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
4785 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
4786 | nla_get_u16); | |
ea54fba2 MP |
4787 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
4788 | 1, 65535, mask, | |
a4f606ea CYY |
4789 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
4790 | nla_get_u32); | |
93da9cc1 | 4791 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
4792 | 1, 65535, mask, |
4793 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 4794 | nla_get_u16); |
dca7e943 | 4795 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
4796 | 1, 65535, mask, |
4797 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 4798 | nla_get_u16); |
93da9cc1 | 4799 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4800 | dot11MeshHWMPnetDiameterTraversalTime, |
4801 | 1, 65535, mask, | |
a4f606ea CYY |
4802 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
4803 | nla_get_u16); | |
ea54fba2 MP |
4804 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
4805 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4806 | nla_get_u8); | |
4807 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
4808 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 4809 | nla_get_u16); |
63c5723b | 4810 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4811 | dot11MeshGateAnnouncementProtocol, 0, 1, |
4812 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 4813 | nla_get_u8); |
ea54fba2 | 4814 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
4815 | mask, NL80211_MESHCONF_FORWARDING, |
4816 | nla_get_u8); | |
83374fe9 | 4817 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 4818 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
83374fe9 | 4819 | nla_get_s32); |
ea54fba2 | 4820 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 4821 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
4822 | nla_get_u16); |
4823 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 4824 | 1, 65535, mask, |
ac1073a6 CYY |
4825 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
4826 | nla_get_u32); | |
ea54fba2 | 4827 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 4828 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
4829 | nla_get_u16); |
4830 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
4831 | dot11MeshHWMPconfirmationInterval, |
4832 | 1, 65535, mask, | |
728b19e5 | 4833 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 4834 | nla_get_u16); |
3b1c5a53 MP |
4835 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
4836 | NL80211_MESH_POWER_ACTIVE, | |
4837 | NL80211_MESH_POWER_MAX, | |
4838 | mask, NL80211_MESHCONF_POWER_MODE, | |
4839 | nla_get_u32); | |
4840 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
4841 | 0, 65535, mask, | |
4842 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
8e7c0538 CT |
4843 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff, |
4844 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4845 | nla_get_u32); | |
bd90fdcc JB |
4846 | if (mask_out) |
4847 | *mask_out = mask; | |
c80d545d | 4848 | |
bd90fdcc JB |
4849 | return 0; |
4850 | ||
4851 | #undef FILL_IN_MESH_PARAM_IF_SET | |
4852 | } | |
4853 | ||
c80d545d JC |
4854 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
4855 | struct mesh_setup *setup) | |
4856 | { | |
bb2798d4 | 4857 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
4858 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
4859 | ||
4860 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
4861 | return -EINVAL; | |
4862 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
4863 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
4864 | nl80211_mesh_setup_params_policy)) | |
4865 | return -EINVAL; | |
4866 | ||
d299a1f2 JC |
4867 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
4868 | setup->sync_method = | |
4869 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
4870 | IEEE80211_SYNC_METHOD_VENDOR : | |
4871 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
4872 | ||
c80d545d JC |
4873 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
4874 | setup->path_sel_proto = | |
4875 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
4876 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
4877 | IEEE80211_PATH_PROTOCOL_HWMP; | |
4878 | ||
4879 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
4880 | setup->path_metric = | |
4881 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
4882 | IEEE80211_PATH_METRIC_VENDOR : | |
4883 | IEEE80211_PATH_METRIC_AIRTIME; | |
4884 | ||
581a8b0f JC |
4885 | |
4886 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 4887 | struct nlattr *ieattr = |
581a8b0f | 4888 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
4889 | if (!is_valid_ie_attr(ieattr)) |
4890 | return -EINVAL; | |
581a8b0f JC |
4891 | setup->ie = nla_data(ieattr); |
4892 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 4893 | } |
bb2798d4 TP |
4894 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
4895 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
4896 | return -EINVAL; | |
4897 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
4898 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
4899 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
4900 | if (setup->is_secure) |
4901 | setup->user_mpm = true; | |
c80d545d | 4902 | |
6e16d90b CT |
4903 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
4904 | if (!setup->user_mpm) | |
4905 | return -EINVAL; | |
4906 | setup->auth_id = | |
4907 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
4908 | } | |
4909 | ||
c80d545d JC |
4910 | return 0; |
4911 | } | |
4912 | ||
24bdd9f4 | 4913 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 4914 | struct genl_info *info) |
bd90fdcc JB |
4915 | { |
4916 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4917 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 4918 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
4919 | struct mesh_config cfg; |
4920 | u32 mask; | |
4921 | int err; | |
4922 | ||
29cbe68c JB |
4923 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4924 | return -EOPNOTSUPP; | |
4925 | ||
24bdd9f4 | 4926 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
4927 | return -EOPNOTSUPP; |
4928 | ||
24bdd9f4 | 4929 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
4930 | if (err) |
4931 | return err; | |
4932 | ||
29cbe68c JB |
4933 | wdev_lock(wdev); |
4934 | if (!wdev->mesh_id_len) | |
4935 | err = -ENOLINK; | |
4936 | ||
4937 | if (!err) | |
e35e4d28 | 4938 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
4939 | |
4940 | wdev_unlock(wdev); | |
4941 | ||
4942 | return err; | |
93da9cc1 | 4943 | } |
4944 | ||
f130347c LR |
4945 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
4946 | { | |
458f4f9e | 4947 | const struct ieee80211_regdomain *regdom; |
f130347c LR |
4948 | struct sk_buff *msg; |
4949 | void *hdr = NULL; | |
4950 | struct nlattr *nl_reg_rules; | |
4951 | unsigned int i; | |
f130347c LR |
4952 | |
4953 | if (!cfg80211_regdomain) | |
5fe231e8 | 4954 | return -EINVAL; |
f130347c | 4955 | |
fd2120ca | 4956 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
5fe231e8 JB |
4957 | if (!msg) |
4958 | return -ENOBUFS; | |
f130347c | 4959 | |
15e47304 | 4960 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
f130347c LR |
4961 | NL80211_CMD_GET_REG); |
4962 | if (!hdr) | |
efe1cf0c | 4963 | goto put_failure; |
f130347c | 4964 | |
57b5ce07 LR |
4965 | if (reg_last_request_cell_base() && |
4966 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
4967 | NL80211_USER_REG_HINT_CELL_BASE)) | |
4968 | goto nla_put_failure; | |
4969 | ||
458f4f9e JB |
4970 | rcu_read_lock(); |
4971 | regdom = rcu_dereference(cfg80211_regdomain); | |
4972 | ||
4973 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || | |
4974 | (regdom->dfs_region && | |
4975 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
4976 | goto nla_put_failure_rcu; | |
4977 | ||
f130347c LR |
4978 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
4979 | if (!nl_reg_rules) | |
458f4f9e | 4980 | goto nla_put_failure_rcu; |
f130347c | 4981 | |
458f4f9e | 4982 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
4983 | struct nlattr *nl_reg_rule; |
4984 | const struct ieee80211_reg_rule *reg_rule; | |
4985 | const struct ieee80211_freq_range *freq_range; | |
4986 | const struct ieee80211_power_rule *power_rule; | |
4987 | ||
458f4f9e | 4988 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
4989 | freq_range = ®_rule->freq_range; |
4990 | power_rule = ®_rule->power_rule; | |
4991 | ||
4992 | nl_reg_rule = nla_nest_start(msg, i); | |
4993 | if (!nl_reg_rule) | |
458f4f9e | 4994 | goto nla_put_failure_rcu; |
f130347c | 4995 | |
9360ffd1 DM |
4996 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
4997 | reg_rule->flags) || | |
4998 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
4999 | freq_range->start_freq_khz) || | |
5000 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5001 | freq_range->end_freq_khz) || | |
5002 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
5003 | freq_range->max_bandwidth_khz) || | |
5004 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
5005 | power_rule->max_antenna_gain) || | |
5006 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
5007 | power_rule->max_eirp)) | |
458f4f9e | 5008 | goto nla_put_failure_rcu; |
f130347c LR |
5009 | |
5010 | nla_nest_end(msg, nl_reg_rule); | |
5011 | } | |
458f4f9e | 5012 | rcu_read_unlock(); |
f130347c LR |
5013 | |
5014 | nla_nest_end(msg, nl_reg_rules); | |
5015 | ||
5016 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5017 | return genlmsg_reply(msg, info); |
f130347c | 5018 | |
458f4f9e JB |
5019 | nla_put_failure_rcu: |
5020 | rcu_read_unlock(); | |
f130347c LR |
5021 | nla_put_failure: |
5022 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5023 | put_failure: |
d080e275 | 5024 | nlmsg_free(msg); |
5fe231e8 | 5025 | return -EMSGSIZE; |
f130347c LR |
5026 | } |
5027 | ||
b2e1b302 LR |
5028 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5029 | { | |
5030 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5031 | struct nlattr *nl_reg_rule; | |
5032 | char *alpha2 = NULL; | |
5033 | int rem_reg_rules = 0, r = 0; | |
5034 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
8b60b078 | 5035 | u8 dfs_region = 0; |
b2e1b302 LR |
5036 | struct ieee80211_regdomain *rd = NULL; |
5037 | ||
5038 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5039 | return -EINVAL; | |
5040 | ||
5041 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5042 | return -EINVAL; | |
5043 | ||
5044 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5045 | ||
8b60b078 LR |
5046 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5047 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5048 | ||
b2e1b302 | 5049 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5050 | rem_reg_rules) { |
b2e1b302 LR |
5051 | num_rules++; |
5052 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5053 | return -EINVAL; |
b2e1b302 LR |
5054 | } |
5055 | ||
b2e1b302 | 5056 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5057 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5058 | |
5059 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5060 | if (!rd) |
5061 | return -ENOMEM; | |
b2e1b302 LR |
5062 | |
5063 | rd->n_reg_rules = num_rules; | |
5064 | rd->alpha2[0] = alpha2[0]; | |
5065 | rd->alpha2[1] = alpha2[1]; | |
5066 | ||
8b60b078 LR |
5067 | /* |
5068 | * Disable DFS master mode if the DFS region was | |
5069 | * not supported or known on this kernel. | |
5070 | */ | |
5071 | if (reg_supported_dfs_region(dfs_region)) | |
5072 | rd->dfs_region = dfs_region; | |
5073 | ||
b2e1b302 | 5074 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5075 | rem_reg_rules) { |
b2e1b302 | 5076 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
1a919318 JB |
5077 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), |
5078 | reg_rule_policy); | |
b2e1b302 LR |
5079 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5080 | if (r) | |
5081 | goto bad_reg; | |
5082 | ||
5083 | rule_idx++; | |
5084 | ||
d0e18f83 LR |
5085 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5086 | r = -EINVAL; | |
b2e1b302 | 5087 | goto bad_reg; |
d0e18f83 | 5088 | } |
b2e1b302 LR |
5089 | } |
5090 | ||
b2e1b302 | 5091 | r = set_regdom(rd); |
6913b49a | 5092 | /* set_regdom took ownership */ |
1a919318 | 5093 | rd = NULL; |
b2e1b302 | 5094 | |
d2372b31 | 5095 | bad_reg: |
b2e1b302 | 5096 | kfree(rd); |
d0e18f83 | 5097 | return r; |
b2e1b302 LR |
5098 | } |
5099 | ||
83f5e2cf JB |
5100 | static int validate_scan_freqs(struct nlattr *freqs) |
5101 | { | |
5102 | struct nlattr *attr1, *attr2; | |
5103 | int n_channels = 0, tmp1, tmp2; | |
5104 | ||
5105 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5106 | n_channels++; | |
5107 | /* | |
5108 | * Some hardware has a limited channel list for | |
5109 | * scanning, and it is pretty much nonsensical | |
5110 | * to scan for a channel twice, so disallow that | |
5111 | * and don't require drivers to check that the | |
5112 | * channel list they get isn't longer than what | |
5113 | * they can scan, as long as they can scan all | |
5114 | * the channels they registered at once. | |
5115 | */ | |
5116 | nla_for_each_nested(attr2, freqs, tmp2) | |
5117 | if (attr1 != attr2 && | |
5118 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5119 | return 0; | |
5120 | } | |
5121 | ||
5122 | return n_channels; | |
5123 | } | |
5124 | ||
2a519311 JB |
5125 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5126 | { | |
4c476991 | 5127 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5128 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5129 | struct cfg80211_scan_request *request; |
2a519311 JB |
5130 | struct nlattr *attr; |
5131 | struct wiphy *wiphy; | |
83f5e2cf | 5132 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5133 | size_t ie_len; |
2a519311 | 5134 | |
f4a11bb0 JB |
5135 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5136 | return -EINVAL; | |
5137 | ||
79c97e97 | 5138 | wiphy = &rdev->wiphy; |
2a519311 | 5139 | |
4c476991 JB |
5140 | if (!rdev->ops->scan) |
5141 | return -EOPNOTSUPP; | |
2a519311 | 5142 | |
f9f47529 JB |
5143 | if (rdev->scan_req) { |
5144 | err = -EBUSY; | |
5145 | goto unlock; | |
5146 | } | |
2a519311 JB |
5147 | |
5148 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5149 | n_channels = validate_scan_freqs( |
5150 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5151 | if (!n_channels) { |
5152 | err = -EINVAL; | |
5153 | goto unlock; | |
5154 | } | |
2a519311 | 5155 | } else { |
34850ab2 | 5156 | enum ieee80211_band band; |
83f5e2cf JB |
5157 | n_channels = 0; |
5158 | ||
2a519311 JB |
5159 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
5160 | if (wiphy->bands[band]) | |
5161 | n_channels += wiphy->bands[band]->n_channels; | |
5162 | } | |
5163 | ||
5164 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5165 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5166 | n_ssids++; | |
5167 | ||
f9f47529 JB |
5168 | if (n_ssids > wiphy->max_scan_ssids) { |
5169 | err = -EINVAL; | |
5170 | goto unlock; | |
5171 | } | |
2a519311 | 5172 | |
70692ad2 JM |
5173 | if (info->attrs[NL80211_ATTR_IE]) |
5174 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5175 | else | |
5176 | ie_len = 0; | |
5177 | ||
f9f47529 JB |
5178 | if (ie_len > wiphy->max_scan_ie_len) { |
5179 | err = -EINVAL; | |
5180 | goto unlock; | |
5181 | } | |
18a83659 | 5182 | |
2a519311 | 5183 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5184 | + sizeof(*request->ssids) * n_ssids |
5185 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5186 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5187 | if (!request) { |
5188 | err = -ENOMEM; | |
5189 | goto unlock; | |
5190 | } | |
2a519311 | 5191 | |
2a519311 | 5192 | if (n_ssids) |
5ba63533 | 5193 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5194 | request->n_ssids = n_ssids; |
70692ad2 JM |
5195 | if (ie_len) { |
5196 | if (request->ssids) | |
5197 | request->ie = (void *)(request->ssids + n_ssids); | |
5198 | else | |
5199 | request->ie = (void *)(request->channels + n_channels); | |
5200 | } | |
2a519311 | 5201 | |
584991dc | 5202 | i = 0; |
2a519311 JB |
5203 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5204 | /* user specified, bail out if channel not found */ | |
2a519311 | 5205 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5206 | struct ieee80211_channel *chan; |
5207 | ||
5208 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5209 | ||
5210 | if (!chan) { | |
2a519311 JB |
5211 | err = -EINVAL; |
5212 | goto out_free; | |
5213 | } | |
584991dc JB |
5214 | |
5215 | /* ignore disabled channels */ | |
5216 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5217 | continue; | |
5218 | ||
5219 | request->channels[i] = chan; | |
2a519311 JB |
5220 | i++; |
5221 | } | |
5222 | } else { | |
34850ab2 JB |
5223 | enum ieee80211_band band; |
5224 | ||
2a519311 | 5225 | /* all channels */ |
2a519311 JB |
5226 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5227 | int j; | |
5228 | if (!wiphy->bands[band]) | |
5229 | continue; | |
5230 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5231 | struct ieee80211_channel *chan; |
5232 | ||
5233 | chan = &wiphy->bands[band]->channels[j]; | |
5234 | ||
5235 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5236 | continue; | |
5237 | ||
5238 | request->channels[i] = chan; | |
2a519311 JB |
5239 | i++; |
5240 | } | |
5241 | } | |
5242 | } | |
5243 | ||
584991dc JB |
5244 | if (!i) { |
5245 | err = -EINVAL; | |
5246 | goto out_free; | |
5247 | } | |
5248 | ||
5249 | request->n_channels = i; | |
5250 | ||
2a519311 JB |
5251 | i = 0; |
5252 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5253 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 5254 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5255 | err = -EINVAL; |
5256 | goto out_free; | |
5257 | } | |
57a27e1d | 5258 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5259 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5260 | i++; |
5261 | } | |
5262 | } | |
5263 | ||
70692ad2 JM |
5264 | if (info->attrs[NL80211_ATTR_IE]) { |
5265 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5266 | memcpy((void *)request->ie, |
5267 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5268 | request->ie_len); |
5269 | } | |
5270 | ||
34850ab2 | 5271 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5272 | if (wiphy->bands[i]) |
5273 | request->rates[i] = | |
5274 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5275 | |
5276 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5277 | nla_for_each_nested(attr, | |
5278 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5279 | tmp) { | |
5280 | enum ieee80211_band band = nla_type(attr); | |
5281 | ||
84404623 | 5282 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5283 | err = -EINVAL; |
5284 | goto out_free; | |
5285 | } | |
5286 | err = ieee80211_get_ratemask(wiphy->bands[band], | |
5287 | nla_data(attr), | |
5288 | nla_len(attr), | |
5289 | &request->rates[band]); | |
5290 | if (err) | |
5291 | goto out_free; | |
5292 | } | |
5293 | } | |
5294 | ||
46856bbf | 5295 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5296 | request->flags = nla_get_u32( |
5297 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
15d6030b SL |
5298 | if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5299 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
5300 | ((request->flags & NL80211_SCAN_FLAG_FLUSH) && | |
5301 | !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { | |
46856bbf SL |
5302 | err = -EOPNOTSUPP; |
5303 | goto out_free; | |
5304 | } | |
5305 | } | |
ed473771 | 5306 | |
e9f935e3 RM |
5307 | request->no_cck = |
5308 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5309 | ||
fd014284 | 5310 | request->wdev = wdev; |
79c97e97 | 5311 | request->wiphy = &rdev->wiphy; |
15d6030b | 5312 | request->scan_start = jiffies; |
2a519311 | 5313 | |
79c97e97 | 5314 | rdev->scan_req = request; |
e35e4d28 | 5315 | err = rdev_scan(rdev, request); |
2a519311 | 5316 | |
463d0183 | 5317 | if (!err) { |
fd014284 JB |
5318 | nl80211_send_scan_start(rdev, wdev); |
5319 | if (wdev->netdev) | |
5320 | dev_hold(wdev->netdev); | |
4c476991 | 5321 | } else { |
2a519311 | 5322 | out_free: |
79c97e97 | 5323 | rdev->scan_req = NULL; |
2a519311 JB |
5324 | kfree(request); |
5325 | } | |
3b85875a | 5326 | |
f9f47529 | 5327 | unlock: |
2a519311 JB |
5328 | return err; |
5329 | } | |
5330 | ||
807f8a8c LC |
5331 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
5332 | struct genl_info *info) | |
5333 | { | |
5334 | struct cfg80211_sched_scan_request *request; | |
5335 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5336 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
5337 | struct nlattr *attr; |
5338 | struct wiphy *wiphy; | |
a1f1c21c | 5339 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5340 | u32 interval; |
807f8a8c LC |
5341 | enum ieee80211_band band; |
5342 | size_t ie_len; | |
a1f1c21c | 5343 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
807f8a8c LC |
5344 | |
5345 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5346 | !rdev->ops->sched_scan_start) | |
5347 | return -EOPNOTSUPP; | |
5348 | ||
5349 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
5350 | return -EINVAL; | |
5351 | ||
bbe6ad6d LC |
5352 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5353 | return -EINVAL; | |
5354 | ||
5355 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
5356 | if (interval == 0) | |
5357 | return -EINVAL; | |
5358 | ||
807f8a8c LC |
5359 | wiphy = &rdev->wiphy; |
5360 | ||
5361 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5362 | n_channels = validate_scan_freqs( | |
5363 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
5364 | if (!n_channels) | |
5365 | return -EINVAL; | |
5366 | } else { | |
5367 | n_channels = 0; | |
5368 | ||
5369 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
5370 | if (wiphy->bands[band]) | |
5371 | n_channels += wiphy->bands[band]->n_channels; | |
5372 | } | |
5373 | ||
5374 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5375 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5376 | tmp) | |
5377 | n_ssids++; | |
5378 | ||
93b6aa69 | 5379 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
5380 | return -EINVAL; |
5381 | ||
a1f1c21c LC |
5382 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) |
5383 | nla_for_each_nested(attr, | |
5384 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5385 | tmp) | |
5386 | n_match_sets++; | |
5387 | ||
5388 | if (n_match_sets > wiphy->max_match_sets) | |
5389 | return -EINVAL; | |
5390 | ||
807f8a8c LC |
5391 | if (info->attrs[NL80211_ATTR_IE]) |
5392 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5393 | else | |
5394 | ie_len = 0; | |
5395 | ||
5a865bad | 5396 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
5397 | return -EINVAL; |
5398 | ||
c10841ca LC |
5399 | if (rdev->sched_scan_req) { |
5400 | err = -EINPROGRESS; | |
5401 | goto out; | |
5402 | } | |
5403 | ||
807f8a8c | 5404 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5405 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5406 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5407 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5408 | + ie_len, GFP_KERNEL); |
c10841ca LC |
5409 | if (!request) { |
5410 | err = -ENOMEM; | |
5411 | goto out; | |
5412 | } | |
807f8a8c LC |
5413 | |
5414 | if (n_ssids) | |
5415 | request->ssids = (void *)&request->channels[n_channels]; | |
5416 | request->n_ssids = n_ssids; | |
5417 | if (ie_len) { | |
5418 | if (request->ssids) | |
5419 | request->ie = (void *)(request->ssids + n_ssids); | |
5420 | else | |
5421 | request->ie = (void *)(request->channels + n_channels); | |
5422 | } | |
5423 | ||
a1f1c21c LC |
5424 | if (n_match_sets) { |
5425 | if (request->ie) | |
5426 | request->match_sets = (void *)(request->ie + ie_len); | |
5427 | else if (request->ssids) | |
5428 | request->match_sets = | |
5429 | (void *)(request->ssids + n_ssids); | |
5430 | else | |
5431 | request->match_sets = | |
5432 | (void *)(request->channels + n_channels); | |
5433 | } | |
5434 | request->n_match_sets = n_match_sets; | |
5435 | ||
807f8a8c LC |
5436 | i = 0; |
5437 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5438 | /* user specified, bail out if channel not found */ | |
5439 | nla_for_each_nested(attr, | |
5440 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
5441 | tmp) { | |
5442 | struct ieee80211_channel *chan; | |
5443 | ||
5444 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5445 | ||
5446 | if (!chan) { | |
5447 | err = -EINVAL; | |
5448 | goto out_free; | |
5449 | } | |
5450 | ||
5451 | /* ignore disabled channels */ | |
5452 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5453 | continue; | |
5454 | ||
5455 | request->channels[i] = chan; | |
5456 | i++; | |
5457 | } | |
5458 | } else { | |
5459 | /* all channels */ | |
5460 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5461 | int j; | |
5462 | if (!wiphy->bands[band]) | |
5463 | continue; | |
5464 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
5465 | struct ieee80211_channel *chan; | |
5466 | ||
5467 | chan = &wiphy->bands[band]->channels[j]; | |
5468 | ||
5469 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5470 | continue; | |
5471 | ||
5472 | request->channels[i] = chan; | |
5473 | i++; | |
5474 | } | |
5475 | } | |
5476 | } | |
5477 | ||
5478 | if (!i) { | |
5479 | err = -EINVAL; | |
5480 | goto out_free; | |
5481 | } | |
5482 | ||
5483 | request->n_channels = i; | |
5484 | ||
5485 | i = 0; | |
5486 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5487 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5488 | tmp) { | |
57a27e1d | 5489 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
5490 | err = -EINVAL; |
5491 | goto out_free; | |
5492 | } | |
57a27e1d | 5493 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
5494 | memcpy(request->ssids[i].ssid, nla_data(attr), |
5495 | nla_len(attr)); | |
807f8a8c LC |
5496 | i++; |
5497 | } | |
5498 | } | |
5499 | ||
a1f1c21c LC |
5500 | i = 0; |
5501 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
5502 | nla_for_each_nested(attr, | |
5503 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5504 | tmp) { | |
88e920b4 | 5505 | struct nlattr *ssid, *rssi; |
a1f1c21c LC |
5506 | |
5507 | nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5508 | nla_data(attr), nla_len(attr), | |
5509 | nl80211_match_policy); | |
4a4ab0d7 | 5510 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c LC |
5511 | if (ssid) { |
5512 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
5513 | err = -EINVAL; | |
5514 | goto out_free; | |
5515 | } | |
5516 | memcpy(request->match_sets[i].ssid.ssid, | |
5517 | nla_data(ssid), nla_len(ssid)); | |
5518 | request->match_sets[i].ssid.ssid_len = | |
5519 | nla_len(ssid); | |
5520 | } | |
88e920b4 TP |
5521 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; |
5522 | if (rssi) | |
5523 | request->rssi_thold = nla_get_u32(rssi); | |
5524 | else | |
5525 | request->rssi_thold = | |
5526 | NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
5527 | i++; |
5528 | } | |
5529 | } | |
5530 | ||
807f8a8c LC |
5531 | if (info->attrs[NL80211_ATTR_IE]) { |
5532 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5533 | memcpy((void *)request->ie, | |
5534 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5535 | request->ie_len); | |
5536 | } | |
5537 | ||
46856bbf | 5538 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5539 | request->flags = nla_get_u32( |
5540 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
15d6030b SL |
5541 | if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5542 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
5543 | ((request->flags & NL80211_SCAN_FLAG_FLUSH) && | |
5544 | !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { | |
46856bbf SL |
5545 | err = -EOPNOTSUPP; |
5546 | goto out_free; | |
5547 | } | |
5548 | } | |
ed473771 | 5549 | |
807f8a8c LC |
5550 | request->dev = dev; |
5551 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 5552 | request->interval = interval; |
15d6030b | 5553 | request->scan_start = jiffies; |
807f8a8c | 5554 | |
e35e4d28 | 5555 | err = rdev_sched_scan_start(rdev, dev, request); |
807f8a8c LC |
5556 | if (!err) { |
5557 | rdev->sched_scan_req = request; | |
5558 | nl80211_send_sched_scan(rdev, dev, | |
5559 | NL80211_CMD_START_SCHED_SCAN); | |
5560 | goto out; | |
5561 | } | |
5562 | ||
5563 | out_free: | |
5564 | kfree(request); | |
5565 | out: | |
5566 | return err; | |
5567 | } | |
5568 | ||
5569 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
5570 | struct genl_info *info) | |
5571 | { | |
5572 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5573 | ||
5574 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5575 | !rdev->ops->sched_scan_stop) | |
5576 | return -EOPNOTSUPP; | |
5577 | ||
5fe231e8 | 5578 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
5579 | } |
5580 | ||
04f39047 SW |
5581 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
5582 | struct genl_info *info) | |
5583 | { | |
5584 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5585 | struct net_device *dev = info->user_ptr[1]; | |
5586 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5587 | struct cfg80211_chan_def chandef; | |
5588 | int err; | |
5589 | ||
5590 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
5591 | if (err) | |
5592 | return err; | |
5593 | ||
5594 | if (wdev->cac_started) | |
5595 | return -EBUSY; | |
5596 | ||
5597 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef); | |
5598 | if (err < 0) | |
5599 | return err; | |
5600 | ||
5601 | if (err == 0) | |
5602 | return -EINVAL; | |
5603 | ||
5604 | if (chandef.chan->dfs_state != NL80211_DFS_USABLE) | |
5605 | return -EINVAL; | |
5606 | ||
5607 | if (!rdev->ops->start_radar_detection) | |
5608 | return -EOPNOTSUPP; | |
5609 | ||
04f39047 SW |
5610 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
5611 | chandef.chan, CHAN_MODE_SHARED, | |
5612 | BIT(chandef.width)); | |
5613 | if (err) | |
5fe231e8 | 5614 | return err; |
04f39047 SW |
5615 | |
5616 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef); | |
5617 | if (!err) { | |
5618 | wdev->channel = chandef.chan; | |
5619 | wdev->cac_started = true; | |
5620 | wdev->cac_start_time = jiffies; | |
5621 | } | |
04f39047 SW |
5622 | return err; |
5623 | } | |
5624 | ||
16ef1fe2 SW |
5625 | static int nl80211_channel_switch(struct sk_buff *skb, 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_csa_settings params; | |
5631 | /* csa_attrs is defined static to avoid waste of stack size - this | |
5632 | * function is called under RTNL lock, so this should not be a problem. | |
5633 | */ | |
5634 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
5635 | u8 radar_detect_width = 0; | |
5636 | int err; | |
5637 | ||
5638 | if (!rdev->ops->channel_switch || | |
5639 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
5640 | return -EOPNOTSUPP; | |
5641 | ||
5642 | /* may add IBSS support later */ | |
5643 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5644 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5645 | return -EOPNOTSUPP; | |
5646 | ||
5647 | memset(¶ms, 0, sizeof(params)); | |
5648 | ||
5649 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
5650 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
5651 | return -EINVAL; | |
5652 | ||
5653 | /* only important for AP, IBSS and mesh create IEs internally */ | |
5654 | if (!info->attrs[NL80211_ATTR_CSA_IES]) | |
5655 | return -EINVAL; | |
5656 | ||
5657 | /* useless if AP is not running */ | |
5658 | if (!wdev->beacon_interval) | |
5659 | return -EINVAL; | |
5660 | ||
5661 | params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
5662 | ||
5663 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); | |
5664 | if (err) | |
5665 | return err; | |
5666 | ||
5667 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
5668 | info->attrs[NL80211_ATTR_CSA_IES], | |
5669 | nl80211_policy); | |
5670 | if (err) | |
5671 | return err; | |
5672 | ||
5673 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
5674 | if (err) | |
5675 | return err; | |
5676 | ||
5677 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
5678 | return -EINVAL; | |
5679 | ||
5680 | params.counter_offset_beacon = | |
5681 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
5682 | if (params.counter_offset_beacon >= params.beacon_csa.tail_len) | |
5683 | return -EINVAL; | |
5684 | ||
5685 | /* sanity check - counters should be the same */ | |
5686 | if (params.beacon_csa.tail[params.counter_offset_beacon] != | |
5687 | params.count) | |
5688 | return -EINVAL; | |
5689 | ||
5690 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { | |
5691 | params.counter_offset_presp = | |
5692 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
5693 | if (params.counter_offset_presp >= | |
5694 | params.beacon_csa.probe_resp_len) | |
5695 | return -EINVAL; | |
5696 | ||
5697 | if (params.beacon_csa.probe_resp[params.counter_offset_presp] != | |
5698 | params.count) | |
5699 | return -EINVAL; | |
5700 | } | |
5701 | ||
5702 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); | |
5703 | if (err) | |
5704 | return err; | |
5705 | ||
5706 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) | |
5707 | return -EINVAL; | |
5708 | ||
5709 | err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef); | |
5710 | if (err < 0) { | |
5711 | return err; | |
5712 | } else if (err) { | |
5713 | radar_detect_width = BIT(params.chandef.width); | |
5714 | params.radar_required = true; | |
5715 | } | |
5716 | ||
5717 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, | |
5718 | params.chandef.chan, | |
5719 | CHAN_MODE_SHARED, | |
5720 | radar_detect_width); | |
5721 | if (err) | |
5722 | return err; | |
5723 | ||
5724 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) | |
5725 | params.block_tx = true; | |
5726 | ||
5727 | return rdev_channel_switch(rdev, dev, ¶ms); | |
5728 | } | |
5729 | ||
9720bb3a JB |
5730 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
5731 | u32 seq, int flags, | |
2a519311 | 5732 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
5733 | struct wireless_dev *wdev, |
5734 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 5735 | { |
48ab905d | 5736 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 5737 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
5738 | void *hdr; |
5739 | struct nlattr *bss; | |
8cef2c9d | 5740 | bool tsf = false; |
48ab905d JB |
5741 | |
5742 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 5743 | |
15e47304 | 5744 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
5745 | NL80211_CMD_NEW_SCAN_RESULTS); |
5746 | if (!hdr) | |
5747 | return -1; | |
5748 | ||
9720bb3a JB |
5749 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
5750 | ||
97990a06 JB |
5751 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
5752 | goto nla_put_failure; | |
5753 | if (wdev->netdev && | |
9360ffd1 DM |
5754 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
5755 | goto nla_put_failure; | |
97990a06 JB |
5756 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
5757 | goto nla_put_failure; | |
2a519311 JB |
5758 | |
5759 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
5760 | if (!bss) | |
5761 | goto nla_put_failure; | |
9360ffd1 | 5762 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 5763 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 5764 | goto nla_put_failure; |
9caf0364 JB |
5765 | |
5766 | rcu_read_lock(); | |
5767 | ies = rcu_dereference(res->ies); | |
8cef2c9d JB |
5768 | if (ies) { |
5769 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5770 | goto fail_unlock_rcu; | |
5771 | tsf = true; | |
5772 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
5773 | ies->len, ies->data)) | |
5774 | goto fail_unlock_rcu; | |
9caf0364 JB |
5775 | } |
5776 | ies = rcu_dereference(res->beacon_ies); | |
8cef2c9d JB |
5777 | if (ies) { |
5778 | if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5779 | goto fail_unlock_rcu; | |
5780 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
5781 | ies->len, ies->data)) | |
5782 | goto fail_unlock_rcu; | |
9caf0364 JB |
5783 | } |
5784 | rcu_read_unlock(); | |
5785 | ||
9360ffd1 DM |
5786 | if (res->beacon_interval && |
5787 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
5788 | goto nla_put_failure; | |
5789 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
5790 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 5791 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
5792 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
5793 | jiffies_to_msecs(jiffies - intbss->ts))) | |
5794 | goto nla_put_failure; | |
2a519311 | 5795 | |
77965c97 | 5796 | switch (rdev->wiphy.signal_type) { |
2a519311 | 5797 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
5798 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
5799 | goto nla_put_failure; | |
2a519311 JB |
5800 | break; |
5801 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
5802 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
5803 | goto nla_put_failure; | |
2a519311 JB |
5804 | break; |
5805 | default: | |
5806 | break; | |
5807 | } | |
5808 | ||
48ab905d | 5809 | switch (wdev->iftype) { |
074ac8df | 5810 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 5811 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
5812 | if (intbss == wdev->current_bss && |
5813 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5814 | NL80211_BSS_STATUS_ASSOCIATED)) | |
5815 | goto nla_put_failure; | |
48ab905d JB |
5816 | break; |
5817 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
5818 | if (intbss == wdev->current_bss && |
5819 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5820 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
5821 | goto nla_put_failure; | |
48ab905d JB |
5822 | break; |
5823 | default: | |
5824 | break; | |
5825 | } | |
5826 | ||
2a519311 JB |
5827 | nla_nest_end(msg, bss); |
5828 | ||
5829 | return genlmsg_end(msg, hdr); | |
5830 | ||
8cef2c9d JB |
5831 | fail_unlock_rcu: |
5832 | rcu_read_unlock(); | |
2a519311 JB |
5833 | nla_put_failure: |
5834 | genlmsg_cancel(msg, hdr); | |
5835 | return -EMSGSIZE; | |
5836 | } | |
5837 | ||
97990a06 | 5838 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 5839 | { |
48ab905d | 5840 | struct cfg80211_registered_device *rdev; |
2a519311 | 5841 | struct cfg80211_internal_bss *scan; |
48ab905d | 5842 | struct wireless_dev *wdev; |
97990a06 | 5843 | int start = cb->args[2], idx = 0; |
2a519311 JB |
5844 | int err; |
5845 | ||
97990a06 | 5846 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
5847 | if (err) |
5848 | return err; | |
2a519311 | 5849 | |
48ab905d JB |
5850 | wdev_lock(wdev); |
5851 | spin_lock_bh(&rdev->bss_lock); | |
5852 | cfg80211_bss_expire(rdev); | |
5853 | ||
9720bb3a JB |
5854 | cb->seq = rdev->bss_generation; |
5855 | ||
48ab905d | 5856 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
5857 | if (++idx <= start) |
5858 | continue; | |
9720bb3a | 5859 | if (nl80211_send_bss(skb, cb, |
2a519311 | 5860 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 5861 | rdev, wdev, scan) < 0) { |
2a519311 | 5862 | idx--; |
67748893 | 5863 | break; |
2a519311 JB |
5864 | } |
5865 | } | |
5866 | ||
48ab905d JB |
5867 | spin_unlock_bh(&rdev->bss_lock); |
5868 | wdev_unlock(wdev); | |
2a519311 | 5869 | |
97990a06 JB |
5870 | cb->args[2] = idx; |
5871 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 5872 | |
67748893 | 5873 | return skb->len; |
2a519311 JB |
5874 | } |
5875 | ||
15e47304 | 5876 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
5877 | int flags, struct net_device *dev, |
5878 | struct survey_info *survey) | |
5879 | { | |
5880 | void *hdr; | |
5881 | struct nlattr *infoattr; | |
5882 | ||
15e47304 | 5883 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
5884 | NL80211_CMD_NEW_SURVEY_RESULTS); |
5885 | if (!hdr) | |
5886 | return -ENOMEM; | |
5887 | ||
9360ffd1 DM |
5888 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
5889 | goto nla_put_failure; | |
61fa713c HS |
5890 | |
5891 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
5892 | if (!infoattr) | |
5893 | goto nla_put_failure; | |
5894 | ||
9360ffd1 DM |
5895 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
5896 | survey->channel->center_freq)) | |
5897 | goto nla_put_failure; | |
5898 | ||
5899 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
5900 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
5901 | goto nla_put_failure; | |
5902 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
5903 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
5904 | goto nla_put_failure; | |
5905 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
5906 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
5907 | survey->channel_time)) | |
5908 | goto nla_put_failure; | |
5909 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
5910 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
5911 | survey->channel_time_busy)) | |
5912 | goto nla_put_failure; | |
5913 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
5914 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
5915 | survey->channel_time_ext_busy)) | |
5916 | goto nla_put_failure; | |
5917 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
5918 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
5919 | survey->channel_time_rx)) | |
5920 | goto nla_put_failure; | |
5921 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
5922 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
5923 | survey->channel_time_tx)) | |
5924 | goto nla_put_failure; | |
61fa713c HS |
5925 | |
5926 | nla_nest_end(msg, infoattr); | |
5927 | ||
5928 | return genlmsg_end(msg, hdr); | |
5929 | ||
5930 | nla_put_failure: | |
5931 | genlmsg_cancel(msg, hdr); | |
5932 | return -EMSGSIZE; | |
5933 | } | |
5934 | ||
5935 | static int nl80211_dump_survey(struct sk_buff *skb, | |
5936 | struct netlink_callback *cb) | |
5937 | { | |
5938 | struct survey_info survey; | |
5939 | struct cfg80211_registered_device *dev; | |
97990a06 JB |
5940 | struct wireless_dev *wdev; |
5941 | int survey_idx = cb->args[2]; | |
61fa713c HS |
5942 | int res; |
5943 | ||
97990a06 | 5944 | res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
5945 | if (res) |
5946 | return res; | |
61fa713c | 5947 | |
97990a06 JB |
5948 | if (!wdev->netdev) { |
5949 | res = -EINVAL; | |
5950 | goto out_err; | |
5951 | } | |
5952 | ||
61fa713c HS |
5953 | if (!dev->ops->dump_survey) { |
5954 | res = -EOPNOTSUPP; | |
5955 | goto out_err; | |
5956 | } | |
5957 | ||
5958 | while (1) { | |
180cdc79 LR |
5959 | struct ieee80211_channel *chan; |
5960 | ||
97990a06 | 5961 | res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
5962 | if (res == -ENOENT) |
5963 | break; | |
5964 | if (res) | |
5965 | goto out_err; | |
5966 | ||
180cdc79 LR |
5967 | /* Survey without a channel doesn't make sense */ |
5968 | if (!survey.channel) { | |
5969 | res = -EINVAL; | |
5970 | goto out; | |
5971 | } | |
5972 | ||
5973 | chan = ieee80211_get_channel(&dev->wiphy, | |
5974 | survey.channel->center_freq); | |
5975 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
5976 | survey_idx++; | |
5977 | continue; | |
5978 | } | |
5979 | ||
61fa713c | 5980 | if (nl80211_send_survey(skb, |
15e47304 | 5981 | NETLINK_CB(cb->skb).portid, |
61fa713c | 5982 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 5983 | wdev->netdev, &survey) < 0) |
61fa713c HS |
5984 | goto out; |
5985 | survey_idx++; | |
5986 | } | |
5987 | ||
5988 | out: | |
97990a06 | 5989 | cb->args[2] = survey_idx; |
61fa713c HS |
5990 | res = skb->len; |
5991 | out_err: | |
97990a06 | 5992 | nl80211_finish_wdev_dump(dev); |
61fa713c HS |
5993 | return res; |
5994 | } | |
5995 | ||
b23aa676 SO |
5996 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
5997 | { | |
5998 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
5999 | NL80211_WPA_VERSION_2)); | |
6000 | } | |
6001 | ||
636a5d36 JM |
6002 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6003 | { | |
4c476991 JB |
6004 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6005 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6006 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6007 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6008 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6009 | enum nl80211_auth_type auth_type; |
fffd0934 | 6010 | struct key_parse key; |
d5cdfacb | 6011 | bool local_state_change; |
636a5d36 | 6012 | |
f4a11bb0 JB |
6013 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6014 | return -EINVAL; | |
6015 | ||
6016 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6017 | return -EINVAL; | |
6018 | ||
1778092e JM |
6019 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6020 | return -EINVAL; | |
6021 | ||
19957bb3 JB |
6022 | if (!info->attrs[NL80211_ATTR_SSID]) |
6023 | return -EINVAL; | |
6024 | ||
6025 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6026 | return -EINVAL; | |
6027 | ||
fffd0934 JB |
6028 | err = nl80211_parse_key(info, &key); |
6029 | if (err) | |
6030 | return err; | |
6031 | ||
6032 | if (key.idx >= 0) { | |
e31b8213 JB |
6033 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6034 | return -EINVAL; | |
fffd0934 JB |
6035 | if (!key.p.key || !key.p.key_len) |
6036 | return -EINVAL; | |
6037 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6038 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6039 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6040 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6041 | return -EINVAL; | |
6042 | if (key.idx > 4) | |
6043 | return -EINVAL; | |
6044 | } else { | |
6045 | key.p.key_len = 0; | |
6046 | key.p.key = NULL; | |
6047 | } | |
6048 | ||
afea0b7a JB |
6049 | if (key.idx >= 0) { |
6050 | int i; | |
6051 | bool ok = false; | |
6052 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6053 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6054 | ok = true; | |
6055 | break; | |
6056 | } | |
6057 | } | |
4c476991 JB |
6058 | if (!ok) |
6059 | return -EINVAL; | |
afea0b7a JB |
6060 | } |
6061 | ||
4c476991 JB |
6062 | if (!rdev->ops->auth) |
6063 | return -EOPNOTSUPP; | |
636a5d36 | 6064 | |
074ac8df | 6065 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6066 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6067 | return -EOPNOTSUPP; | |
eec60b03 | 6068 | |
19957bb3 | 6069 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 6070 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 6071 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
6072 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6073 | return -EINVAL; | |
636a5d36 | 6074 | |
19957bb3 JB |
6075 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6076 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6077 | |
6078 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6079 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6080 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6081 | } |
6082 | ||
19957bb3 | 6083 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6084 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6085 | return -EINVAL; |
636a5d36 | 6086 | |
e39e5b5e JM |
6087 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6088 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6089 | return -EINVAL; | |
6090 | ||
6091 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6092 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6093 | return -EINVAL; | |
6094 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6095 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6096 | /* need to include at least Auth Transaction and Status Code */ | |
6097 | if (sae_data_len < 4) | |
6098 | return -EINVAL; | |
6099 | } | |
6100 | ||
d5cdfacb JM |
6101 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6102 | ||
95de817b JB |
6103 | /* |
6104 | * Since we no longer track auth state, ignore | |
6105 | * requests to only change local state. | |
6106 | */ | |
6107 | if (local_state_change) | |
6108 | return 0; | |
6109 | ||
91bf9b26 JB |
6110 | wdev_lock(dev->ieee80211_ptr); |
6111 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6112 | ssid, ssid_len, ie, ie_len, | |
6113 | key.p.key, key.p.key_len, key.idx, | |
6114 | sae_data, sae_data_len); | |
6115 | wdev_unlock(dev->ieee80211_ptr); | |
6116 | return err; | |
636a5d36 JM |
6117 | } |
6118 | ||
c0692b8f JB |
6119 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6120 | struct genl_info *info, | |
3dc27d25 JB |
6121 | struct cfg80211_crypto_settings *settings, |
6122 | int cipher_limit) | |
b23aa676 | 6123 | { |
c0b2bbd8 JB |
6124 | memset(settings, 0, sizeof(*settings)); |
6125 | ||
b23aa676 SO |
6126 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6127 | ||
c0692b8f JB |
6128 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6129 | u16 proto; | |
6130 | proto = nla_get_u16( | |
6131 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6132 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6133 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6134 | proto != ETH_P_PAE) | |
6135 | return -EINVAL; | |
6136 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6137 | settings->control_port_no_encrypt = true; | |
6138 | } else | |
6139 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6140 | ||
b23aa676 SO |
6141 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6142 | void *data; | |
6143 | int len, i; | |
6144 | ||
6145 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6146 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6147 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6148 | ||
6149 | if (len % sizeof(u32)) | |
6150 | return -EINVAL; | |
6151 | ||
3dc27d25 | 6152 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6153 | return -EINVAL; |
6154 | ||
6155 | memcpy(settings->ciphers_pairwise, data, len); | |
6156 | ||
6157 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6158 | if (!cfg80211_supported_cipher_suite( |
6159 | &rdev->wiphy, | |
b23aa676 SO |
6160 | settings->ciphers_pairwise[i])) |
6161 | return -EINVAL; | |
6162 | } | |
6163 | ||
6164 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6165 | settings->cipher_group = | |
6166 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6167 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6168 | settings->cipher_group)) | |
b23aa676 SO |
6169 | return -EINVAL; |
6170 | } | |
6171 | ||
6172 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6173 | settings->wpa_versions = | |
6174 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6175 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6176 | return -EINVAL; | |
6177 | } | |
6178 | ||
6179 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6180 | void *data; | |
6d30240e | 6181 | int len; |
b23aa676 SO |
6182 | |
6183 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6184 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6185 | settings->n_akm_suites = len / sizeof(u32); | |
6186 | ||
6187 | if (len % sizeof(u32)) | |
6188 | return -EINVAL; | |
6189 | ||
1b9ca027 JM |
6190 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6191 | return -EINVAL; | |
6192 | ||
b23aa676 | 6193 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6194 | } |
6195 | ||
6196 | return 0; | |
6197 | } | |
6198 | ||
636a5d36 JM |
6199 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6200 | { | |
4c476991 JB |
6201 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6202 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6203 | struct ieee80211_channel *chan; |
f62fab73 JB |
6204 | struct cfg80211_assoc_request req = {}; |
6205 | const u8 *bssid, *ssid; | |
6206 | int err, ssid_len = 0; | |
636a5d36 | 6207 | |
f4a11bb0 JB |
6208 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6209 | return -EINVAL; | |
6210 | ||
6211 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6212 | !info->attrs[NL80211_ATTR_SSID] || |
6213 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6214 | return -EINVAL; |
6215 | ||
4c476991 JB |
6216 | if (!rdev->ops->assoc) |
6217 | return -EOPNOTSUPP; | |
636a5d36 | 6218 | |
074ac8df | 6219 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6220 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6221 | return -EOPNOTSUPP; | |
eec60b03 | 6222 | |
19957bb3 | 6223 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6224 | |
19957bb3 JB |
6225 | chan = ieee80211_get_channel(&rdev->wiphy, |
6226 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
6227 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6228 | return -EINVAL; | |
636a5d36 | 6229 | |
19957bb3 JB |
6230 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6231 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6232 | |
6233 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6234 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6235 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6236 | } |
6237 | ||
dc6382ce | 6238 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6239 | enum nl80211_mfp mfp = |
dc6382ce | 6240 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6241 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6242 | req.use_mfp = true; |
4c476991 JB |
6243 | else if (mfp != NL80211_MFP_NO) |
6244 | return -EINVAL; | |
dc6382ce JM |
6245 | } |
6246 | ||
3e5d7649 | 6247 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6248 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6249 | |
7e7c8926 | 6250 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6251 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6252 | |
6253 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6254 | memcpy(&req.ht_capa_mask, |
6255 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6256 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6257 | |
6258 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6259 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6260 | return -EINVAL; |
f62fab73 JB |
6261 | memcpy(&req.ht_capa, |
6262 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6263 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6264 | } |
6265 | ||
ee2aca34 | 6266 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6267 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6268 | |
6269 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6270 | memcpy(&req.vht_capa_mask, |
6271 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6272 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6273 | |
6274 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6275 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6276 | return -EINVAL; |
f62fab73 JB |
6277 | memcpy(&req.vht_capa, |
6278 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6279 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6280 | } |
6281 | ||
f62fab73 | 6282 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
6283 | if (!err) { |
6284 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
6285 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6286 | ssid, ssid_len, &req); | |
91bf9b26 JB |
6287 | wdev_unlock(dev->ieee80211_ptr); |
6288 | } | |
636a5d36 | 6289 | |
636a5d36 JM |
6290 | return err; |
6291 | } | |
6292 | ||
6293 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
6294 | { | |
4c476991 JB |
6295 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6296 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6297 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6298 | int ie_len = 0, err; |
19957bb3 | 6299 | u16 reason_code; |
d5cdfacb | 6300 | bool local_state_change; |
636a5d36 | 6301 | |
f4a11bb0 JB |
6302 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6303 | return -EINVAL; | |
6304 | ||
6305 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6306 | return -EINVAL; | |
6307 | ||
6308 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6309 | return -EINVAL; | |
6310 | ||
4c476991 JB |
6311 | if (!rdev->ops->deauth) |
6312 | return -EOPNOTSUPP; | |
636a5d36 | 6313 | |
074ac8df | 6314 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6315 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6316 | return -EOPNOTSUPP; | |
eec60b03 | 6317 | |
19957bb3 | 6318 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6319 | |
19957bb3 JB |
6320 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6321 | if (reason_code == 0) { | |
f4a11bb0 | 6322 | /* Reason Code 0 is reserved */ |
4c476991 | 6323 | return -EINVAL; |
255e737e | 6324 | } |
636a5d36 JM |
6325 | |
6326 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6327 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6328 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6329 | } |
6330 | ||
d5cdfacb JM |
6331 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6332 | ||
91bf9b26 JB |
6333 | wdev_lock(dev->ieee80211_ptr); |
6334 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
6335 | local_state_change); | |
6336 | wdev_unlock(dev->ieee80211_ptr); | |
6337 | return err; | |
636a5d36 JM |
6338 | } |
6339 | ||
6340 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
6341 | { | |
4c476991 JB |
6342 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6343 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6344 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6345 | int ie_len = 0, err; |
19957bb3 | 6346 | u16 reason_code; |
d5cdfacb | 6347 | bool local_state_change; |
636a5d36 | 6348 | |
f4a11bb0 JB |
6349 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6350 | return -EINVAL; | |
6351 | ||
6352 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6353 | return -EINVAL; | |
6354 | ||
6355 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6356 | return -EINVAL; | |
6357 | ||
4c476991 JB |
6358 | if (!rdev->ops->disassoc) |
6359 | return -EOPNOTSUPP; | |
636a5d36 | 6360 | |
074ac8df | 6361 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6362 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6363 | return -EOPNOTSUPP; | |
eec60b03 | 6364 | |
19957bb3 | 6365 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6366 | |
19957bb3 JB |
6367 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6368 | if (reason_code == 0) { | |
f4a11bb0 | 6369 | /* Reason Code 0 is reserved */ |
4c476991 | 6370 | return -EINVAL; |
255e737e | 6371 | } |
636a5d36 JM |
6372 | |
6373 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6374 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6375 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6376 | } |
6377 | ||
d5cdfacb JM |
6378 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6379 | ||
91bf9b26 JB |
6380 | wdev_lock(dev->ieee80211_ptr); |
6381 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
6382 | local_state_change); | |
6383 | wdev_unlock(dev->ieee80211_ptr); | |
6384 | return err; | |
636a5d36 JM |
6385 | } |
6386 | ||
dd5b4cc7 FF |
6387 | static bool |
6388 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
6389 | int mcast_rate[IEEE80211_NUM_BANDS], | |
6390 | int rateval) | |
6391 | { | |
6392 | struct wiphy *wiphy = &rdev->wiphy; | |
6393 | bool found = false; | |
6394 | int band, i; | |
6395 | ||
6396 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6397 | struct ieee80211_supported_band *sband; | |
6398 | ||
6399 | sband = wiphy->bands[band]; | |
6400 | if (!sband) | |
6401 | continue; | |
6402 | ||
6403 | for (i = 0; i < sband->n_bitrates; i++) { | |
6404 | if (sband->bitrates[i].bitrate == rateval) { | |
6405 | mcast_rate[band] = i + 1; | |
6406 | found = true; | |
6407 | break; | |
6408 | } | |
6409 | } | |
6410 | } | |
6411 | ||
6412 | return found; | |
6413 | } | |
6414 | ||
04a773ad JB |
6415 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
6416 | { | |
4c476991 JB |
6417 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6418 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
6419 | struct cfg80211_ibss_params ibss; |
6420 | struct wiphy *wiphy; | |
fffd0934 | 6421 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
6422 | int err; |
6423 | ||
8e30bc55 JB |
6424 | memset(&ibss, 0, sizeof(ibss)); |
6425 | ||
04a773ad JB |
6426 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6427 | return -EINVAL; | |
6428 | ||
683b6d3b | 6429 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
6430 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
6431 | return -EINVAL; | |
6432 | ||
8e30bc55 JB |
6433 | ibss.beacon_interval = 100; |
6434 | ||
6435 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
6436 | ibss.beacon_interval = | |
6437 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
6438 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
6439 | return -EINVAL; | |
6440 | } | |
6441 | ||
4c476991 JB |
6442 | if (!rdev->ops->join_ibss) |
6443 | return -EOPNOTSUPP; | |
04a773ad | 6444 | |
4c476991 JB |
6445 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6446 | return -EOPNOTSUPP; | |
04a773ad | 6447 | |
79c97e97 | 6448 | wiphy = &rdev->wiphy; |
04a773ad | 6449 | |
39193498 | 6450 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 6451 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
6452 | |
6453 | if (!is_valid_ether_addr(ibss.bssid)) | |
6454 | return -EINVAL; | |
6455 | } | |
04a773ad JB |
6456 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6457 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6458 | ||
6459 | if (info->attrs[NL80211_ATTR_IE]) { | |
6460 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6461 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6462 | } | |
6463 | ||
683b6d3b JB |
6464 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
6465 | if (err) | |
6466 | return err; | |
04a773ad | 6467 | |
683b6d3b | 6468 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef)) |
54858ee5 AS |
6469 | return -EINVAL; |
6470 | ||
2f301ab2 | 6471 | switch (ibss.chandef.width) { |
bf372645 SW |
6472 | case NL80211_CHAN_WIDTH_5: |
6473 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
6474 | case NL80211_CHAN_WIDTH_20_NOHT: |
6475 | break; | |
6476 | case NL80211_CHAN_WIDTH_20: | |
6477 | case NL80211_CHAN_WIDTH_40: | |
6478 | if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) | |
6479 | break; | |
6480 | default: | |
c04d6150 | 6481 | return -EINVAL; |
2f301ab2 | 6482 | } |
db9c64cf | 6483 | |
04a773ad | 6484 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
6485 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
6486 | ||
fbd2c8dc TP |
6487 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
6488 | u8 *rates = | |
6489 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6490 | int n_rates = | |
6491 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6492 | struct ieee80211_supported_band *sband = | |
683b6d3b | 6493 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 6494 | |
34850ab2 JB |
6495 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
6496 | &ibss.basic_rates); | |
6497 | if (err) | |
6498 | return err; | |
fbd2c8dc | 6499 | } |
dd5b4cc7 | 6500 | |
803768f5 SW |
6501 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
6502 | memcpy(&ibss.ht_capa_mask, | |
6503 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6504 | sizeof(ibss.ht_capa_mask)); | |
6505 | ||
6506 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
6507 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6508 | return -EINVAL; | |
6509 | memcpy(&ibss.ht_capa, | |
6510 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6511 | sizeof(ibss.ht_capa)); | |
6512 | } | |
6513 | ||
dd5b4cc7 FF |
6514 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
6515 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
6516 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
6517 | return -EINVAL; | |
fbd2c8dc | 6518 | |
4c476991 | 6519 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
6520 | bool no_ht = false; |
6521 | ||
4c476991 | 6522 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
6523 | info->attrs[NL80211_ATTR_KEYS], |
6524 | &no_ht); | |
4c476991 JB |
6525 | if (IS_ERR(connkeys)) |
6526 | return PTR_ERR(connkeys); | |
de7044ee | 6527 | |
3d9d1d66 JB |
6528 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
6529 | no_ht) { | |
de7044ee SM |
6530 | kfree(connkeys); |
6531 | return -EINVAL; | |
6532 | } | |
4c476991 | 6533 | } |
04a773ad | 6534 | |
267335d6 AQ |
6535 | ibss.control_port = |
6536 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
6537 | ||
4c476991 | 6538 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
6539 | if (err) |
6540 | kfree(connkeys); | |
04a773ad JB |
6541 | return err; |
6542 | } | |
6543 | ||
6544 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
6545 | { | |
4c476991 JB |
6546 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6547 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 6548 | |
4c476991 JB |
6549 | if (!rdev->ops->leave_ibss) |
6550 | return -EOPNOTSUPP; | |
04a773ad | 6551 | |
4c476991 JB |
6552 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6553 | return -EOPNOTSUPP; | |
04a773ad | 6554 | |
4c476991 | 6555 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
6556 | } |
6557 | ||
f4e583c8 AQ |
6558 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
6559 | { | |
6560 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6561 | struct net_device *dev = info->user_ptr[1]; | |
6562 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
6563 | u32 nla_rate; | |
6564 | int err; | |
6565 | ||
6566 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
6567 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
6568 | return -EOPNOTSUPP; | |
6569 | ||
6570 | if (!rdev->ops->set_mcast_rate) | |
6571 | return -EOPNOTSUPP; | |
6572 | ||
6573 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
6574 | ||
6575 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
6576 | return -EINVAL; | |
6577 | ||
6578 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
6579 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
6580 | return -EINVAL; | |
6581 | ||
6582 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
6583 | ||
6584 | return err; | |
6585 | } | |
6586 | ||
6587 | ||
aff89a9b JB |
6588 | #ifdef CONFIG_NL80211_TESTMODE |
6589 | static struct genl_multicast_group nl80211_testmode_mcgrp = { | |
6590 | .name = "testmode", | |
6591 | }; | |
6592 | ||
6593 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) | |
6594 | { | |
4c476991 | 6595 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
6596 | struct wireless_dev *wdev = |
6597 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
6598 | int err; |
6599 | ||
fc73f11f DS |
6600 | if (!rdev->ops->testmode_cmd) |
6601 | return -EOPNOTSUPP; | |
6602 | ||
6603 | if (IS_ERR(wdev)) { | |
6604 | err = PTR_ERR(wdev); | |
6605 | if (err != -EINVAL) | |
6606 | return err; | |
6607 | wdev = NULL; | |
6608 | } else if (wdev->wiphy != &rdev->wiphy) { | |
6609 | return -EINVAL; | |
6610 | } | |
6611 | ||
aff89a9b JB |
6612 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
6613 | return -EINVAL; | |
6614 | ||
fc73f11f DS |
6615 | rdev->testmode_info = info; |
6616 | err = rdev_testmode_cmd(rdev, wdev, | |
aff89a9b JB |
6617 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
6618 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
fc73f11f | 6619 | rdev->testmode_info = NULL; |
aff89a9b | 6620 | |
aff89a9b JB |
6621 | return err; |
6622 | } | |
6623 | ||
71063f0e WYG |
6624 | static int nl80211_testmode_dump(struct sk_buff *skb, |
6625 | struct netlink_callback *cb) | |
6626 | { | |
00918d33 | 6627 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
6628 | int err; |
6629 | long phy_idx; | |
6630 | void *data = NULL; | |
6631 | int data_len = 0; | |
6632 | ||
5fe231e8 JB |
6633 | rtnl_lock(); |
6634 | ||
71063f0e WYG |
6635 | if (cb->args[0]) { |
6636 | /* | |
6637 | * 0 is a valid index, but not valid for args[0], | |
6638 | * so we need to offset by 1. | |
6639 | */ | |
6640 | phy_idx = cb->args[0] - 1; | |
6641 | } else { | |
6642 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
6643 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
6644 | nl80211_policy); | |
6645 | if (err) | |
5fe231e8 | 6646 | goto out_err; |
00918d33 | 6647 | |
2bd7e35d JB |
6648 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
6649 | nl80211_fam.attrbuf); | |
6650 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
6651 | err = PTR_ERR(rdev); |
6652 | goto out_err; | |
00918d33 | 6653 | } |
2bd7e35d JB |
6654 | phy_idx = rdev->wiphy_idx; |
6655 | rdev = NULL; | |
2bd7e35d | 6656 | |
71063f0e WYG |
6657 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
6658 | cb->args[1] = | |
6659 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
6660 | } | |
6661 | ||
6662 | if (cb->args[1]) { | |
6663 | data = nla_data((void *)cb->args[1]); | |
6664 | data_len = nla_len((void *)cb->args[1]); | |
6665 | } | |
6666 | ||
00918d33 JB |
6667 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
6668 | if (!rdev) { | |
5fe231e8 JB |
6669 | err = -ENOENT; |
6670 | goto out_err; | |
71063f0e | 6671 | } |
71063f0e | 6672 | |
00918d33 | 6673 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
6674 | err = -EOPNOTSUPP; |
6675 | goto out_err; | |
6676 | } | |
6677 | ||
6678 | while (1) { | |
15e47304 | 6679 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
6680 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
6681 | NL80211_CMD_TESTMODE); | |
6682 | struct nlattr *tmdata; | |
6683 | ||
cb35fba3 DC |
6684 | if (!hdr) |
6685 | break; | |
6686 | ||
9360ffd1 | 6687 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
6688 | genlmsg_cancel(skb, hdr); |
6689 | break; | |
6690 | } | |
6691 | ||
6692 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
6693 | if (!tmdata) { | |
6694 | genlmsg_cancel(skb, hdr); | |
6695 | break; | |
6696 | } | |
e35e4d28 | 6697 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
6698 | nla_nest_end(skb, tmdata); |
6699 | ||
6700 | if (err == -ENOBUFS || err == -ENOENT) { | |
6701 | genlmsg_cancel(skb, hdr); | |
6702 | break; | |
6703 | } else if (err) { | |
6704 | genlmsg_cancel(skb, hdr); | |
6705 | goto out_err; | |
6706 | } | |
6707 | ||
6708 | genlmsg_end(skb, hdr); | |
6709 | } | |
6710 | ||
6711 | err = skb->len; | |
6712 | /* see above */ | |
6713 | cb->args[0] = phy_idx + 1; | |
6714 | out_err: | |
5fe231e8 | 6715 | rtnl_unlock(); |
71063f0e WYG |
6716 | return err; |
6717 | } | |
6718 | ||
aff89a9b JB |
6719 | static struct sk_buff * |
6720 | __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, | |
15e47304 | 6721 | int approxlen, u32 portid, u32 seq, gfp_t gfp) |
aff89a9b JB |
6722 | { |
6723 | struct sk_buff *skb; | |
6724 | void *hdr; | |
6725 | struct nlattr *data; | |
6726 | ||
6727 | skb = nlmsg_new(approxlen + 100, gfp); | |
6728 | if (!skb) | |
6729 | return NULL; | |
6730 | ||
15e47304 | 6731 | hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE); |
aff89a9b JB |
6732 | if (!hdr) { |
6733 | kfree_skb(skb); | |
6734 | return NULL; | |
6735 | } | |
6736 | ||
9360ffd1 DM |
6737 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) |
6738 | goto nla_put_failure; | |
aff89a9b JB |
6739 | data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); |
6740 | ||
6741 | ((void **)skb->cb)[0] = rdev; | |
6742 | ((void **)skb->cb)[1] = hdr; | |
6743 | ((void **)skb->cb)[2] = data; | |
6744 | ||
6745 | return skb; | |
6746 | ||
6747 | nla_put_failure: | |
6748 | kfree_skb(skb); | |
6749 | return NULL; | |
6750 | } | |
6751 | ||
6752 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
6753 | int approxlen) | |
6754 | { | |
6755 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6756 | ||
6757 | if (WARN_ON(!rdev->testmode_info)) | |
6758 | return NULL; | |
6759 | ||
6760 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, | |
15e47304 | 6761 | rdev->testmode_info->snd_portid, |
aff89a9b JB |
6762 | rdev->testmode_info->snd_seq, |
6763 | GFP_KERNEL); | |
6764 | } | |
6765 | EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); | |
6766 | ||
6767 | int cfg80211_testmode_reply(struct sk_buff *skb) | |
6768 | { | |
6769 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
6770 | void *hdr = ((void **)skb->cb)[1]; | |
6771 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6772 | ||
6773 | if (WARN_ON(!rdev->testmode_info)) { | |
6774 | kfree_skb(skb); | |
6775 | return -EINVAL; | |
6776 | } | |
6777 | ||
6778 | nla_nest_end(skb, data); | |
6779 | genlmsg_end(skb, hdr); | |
6780 | return genlmsg_reply(skb, rdev->testmode_info); | |
6781 | } | |
6782 | EXPORT_SYMBOL(cfg80211_testmode_reply); | |
6783 | ||
6784 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
6785 | int approxlen, gfp_t gfp) | |
6786 | { | |
6787 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6788 | ||
6789 | return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); | |
6790 | } | |
6791 | EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); | |
6792 | ||
6793 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) | |
6794 | { | |
a0ec570f | 6795 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; |
aff89a9b JB |
6796 | void *hdr = ((void **)skb->cb)[1]; |
6797 | struct nlattr *data = ((void **)skb->cb)[2]; | |
6798 | ||
6799 | nla_nest_end(skb, data); | |
6800 | genlmsg_end(skb, hdr); | |
a0ec570f MK |
6801 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), skb, 0, |
6802 | nl80211_testmode_mcgrp.id, gfp); | |
aff89a9b JB |
6803 | } |
6804 | EXPORT_SYMBOL(cfg80211_testmode_event); | |
6805 | #endif | |
6806 | ||
b23aa676 SO |
6807 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
6808 | { | |
4c476991 JB |
6809 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6810 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
6811 | struct cfg80211_connect_params connect; |
6812 | struct wiphy *wiphy; | |
fffd0934 | 6813 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
6814 | int err; |
6815 | ||
6816 | memset(&connect, 0, sizeof(connect)); | |
6817 | ||
6818 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
6819 | return -EINVAL; | |
6820 | ||
6821 | if (!info->attrs[NL80211_ATTR_SSID] || | |
6822 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
6823 | return -EINVAL; | |
6824 | ||
6825 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
6826 | connect.auth_type = | |
6827 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
6828 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
6829 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
6830 | return -EINVAL; |
6831 | } else | |
6832 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
6833 | ||
6834 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
6835 | ||
c0692b8f | 6836 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 6837 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
6838 | if (err) |
6839 | return err; | |
b23aa676 | 6840 | |
074ac8df | 6841 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6842 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6843 | return -EOPNOTSUPP; | |
b23aa676 | 6844 | |
79c97e97 | 6845 | wiphy = &rdev->wiphy; |
b23aa676 | 6846 | |
4486ea98 BS |
6847 | connect.bg_scan_period = -1; |
6848 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
6849 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
6850 | connect.bg_scan_period = | |
6851 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
6852 | } | |
6853 | ||
b23aa676 SO |
6854 | if (info->attrs[NL80211_ATTR_MAC]) |
6855 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6856 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
6857 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6858 | ||
6859 | if (info->attrs[NL80211_ATTR_IE]) { | |
6860 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6861 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6862 | } | |
6863 | ||
cee00a95 JM |
6864 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
6865 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
6866 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
6867 | connect.mfp != NL80211_MFP_NO) | |
6868 | return -EINVAL; | |
6869 | } else { | |
6870 | connect.mfp = NL80211_MFP_NO; | |
6871 | } | |
6872 | ||
b23aa676 SO |
6873 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
6874 | connect.channel = | |
6875 | ieee80211_get_channel(wiphy, | |
6876 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
6877 | if (!connect.channel || | |
4c476991 JB |
6878 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
6879 | return -EINVAL; | |
b23aa676 SO |
6880 | } |
6881 | ||
fffd0934 JB |
6882 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
6883 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 6884 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
6885 | if (IS_ERR(connkeys)) |
6886 | return PTR_ERR(connkeys); | |
fffd0934 JB |
6887 | } |
6888 | ||
7e7c8926 BG |
6889 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
6890 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
6891 | ||
6892 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6893 | memcpy(&connect.ht_capa_mask, | |
6894 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6895 | sizeof(connect.ht_capa_mask)); | |
6896 | ||
6897 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e WY |
6898 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
6899 | kfree(connkeys); | |
7e7c8926 | 6900 | return -EINVAL; |
b4e4f47e | 6901 | } |
7e7c8926 BG |
6902 | memcpy(&connect.ht_capa, |
6903 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6904 | sizeof(connect.ht_capa)); | |
6905 | } | |
6906 | ||
ee2aca34 JB |
6907 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
6908 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
6909 | ||
6910 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
6911 | memcpy(&connect.vht_capa_mask, | |
6912 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6913 | sizeof(connect.vht_capa_mask)); | |
6914 | ||
6915 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
6916 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
6917 | kfree(connkeys); | |
6918 | return -EINVAL; | |
6919 | } | |
6920 | memcpy(&connect.vht_capa, | |
6921 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6922 | sizeof(connect.vht_capa)); | |
6923 | } | |
6924 | ||
83739b03 JB |
6925 | wdev_lock(dev->ieee80211_ptr); |
6926 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
6927 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 JB |
6928 | if (err) |
6929 | kfree(connkeys); | |
b23aa676 SO |
6930 | return err; |
6931 | } | |
6932 | ||
6933 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
6934 | { | |
4c476991 JB |
6935 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6936 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 6937 | u16 reason; |
83739b03 | 6938 | int ret; |
b23aa676 SO |
6939 | |
6940 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6941 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
6942 | else | |
6943 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
6944 | ||
6945 | if (reason == 0) | |
6946 | return -EINVAL; | |
6947 | ||
074ac8df | 6948 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6949 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6950 | return -EOPNOTSUPP; | |
b23aa676 | 6951 | |
83739b03 JB |
6952 | wdev_lock(dev->ieee80211_ptr); |
6953 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
6954 | wdev_unlock(dev->ieee80211_ptr); | |
6955 | return ret; | |
b23aa676 SO |
6956 | } |
6957 | ||
463d0183 JB |
6958 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
6959 | { | |
4c476991 | 6960 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
6961 | struct net *net; |
6962 | int err; | |
6963 | u32 pid; | |
6964 | ||
6965 | if (!info->attrs[NL80211_ATTR_PID]) | |
6966 | return -EINVAL; | |
6967 | ||
6968 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
6969 | ||
463d0183 | 6970 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
6971 | if (IS_ERR(net)) |
6972 | return PTR_ERR(net); | |
463d0183 JB |
6973 | |
6974 | err = 0; | |
6975 | ||
6976 | /* check if anything to do */ | |
4c476991 JB |
6977 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
6978 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 6979 | |
463d0183 | 6980 | put_net(net); |
463d0183 JB |
6981 | return err; |
6982 | } | |
6983 | ||
67fbb16b SO |
6984 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
6985 | { | |
4c476991 | 6986 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
6987 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
6988 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 6989 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
6990 | struct cfg80211_pmksa pmksa; |
6991 | ||
6992 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
6993 | ||
6994 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6995 | return -EINVAL; | |
6996 | ||
6997 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
6998 | return -EINVAL; | |
6999 | ||
67fbb16b SO |
7000 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7001 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7002 | ||
074ac8df | 7003 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7004 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7005 | return -EOPNOTSUPP; | |
67fbb16b SO |
7006 | |
7007 | switch (info->genlhdr->cmd) { | |
7008 | case NL80211_CMD_SET_PMKSA: | |
7009 | rdev_ops = rdev->ops->set_pmksa; | |
7010 | break; | |
7011 | case NL80211_CMD_DEL_PMKSA: | |
7012 | rdev_ops = rdev->ops->del_pmksa; | |
7013 | break; | |
7014 | default: | |
7015 | WARN_ON(1); | |
7016 | break; | |
7017 | } | |
7018 | ||
4c476991 JB |
7019 | if (!rdev_ops) |
7020 | return -EOPNOTSUPP; | |
67fbb16b | 7021 | |
4c476991 | 7022 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7023 | } |
7024 | ||
7025 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7026 | { | |
4c476991 JB |
7027 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7028 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7029 | |
074ac8df | 7030 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7031 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7032 | return -EOPNOTSUPP; | |
67fbb16b | 7033 | |
4c476991 JB |
7034 | if (!rdev->ops->flush_pmksa) |
7035 | return -EOPNOTSUPP; | |
67fbb16b | 7036 | |
e35e4d28 | 7037 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7038 | } |
7039 | ||
109086ce AN |
7040 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7041 | { | |
7042 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7043 | struct net_device *dev = info->user_ptr[1]; | |
7044 | u8 action_code, dialog_token; | |
7045 | u16 status_code; | |
7046 | u8 *peer; | |
7047 | ||
7048 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7049 | !rdev->ops->tdls_mgmt) | |
7050 | return -EOPNOTSUPP; | |
7051 | ||
7052 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7053 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7054 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7055 | !info->attrs[NL80211_ATTR_IE] || | |
7056 | !info->attrs[NL80211_ATTR_MAC]) | |
7057 | return -EINVAL; | |
7058 | ||
7059 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7060 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7061 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7062 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
7063 | ||
e35e4d28 HG |
7064 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
7065 | dialog_token, status_code, | |
7066 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
7067 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7068 | } |
7069 | ||
7070 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7071 | { | |
7072 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7073 | struct net_device *dev = info->user_ptr[1]; | |
7074 | enum nl80211_tdls_operation operation; | |
7075 | u8 *peer; | |
7076 | ||
7077 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7078 | !rdev->ops->tdls_oper) | |
7079 | return -EOPNOTSUPP; | |
7080 | ||
7081 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7082 | !info->attrs[NL80211_ATTR_MAC]) | |
7083 | return -EINVAL; | |
7084 | ||
7085 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7086 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7087 | ||
e35e4d28 | 7088 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7089 | } |
7090 | ||
9588bbd5 JM |
7091 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7092 | struct genl_info *info) | |
7093 | { | |
4c476991 | 7094 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7095 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7096 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7097 | struct sk_buff *msg; |
7098 | void *hdr; | |
7099 | u64 cookie; | |
683b6d3b | 7100 | u32 duration; |
9588bbd5 JM |
7101 | int err; |
7102 | ||
7103 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7104 | !info->attrs[NL80211_ATTR_DURATION]) | |
7105 | return -EINVAL; | |
7106 | ||
7107 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7108 | ||
ebf348fc JB |
7109 | if (!rdev->ops->remain_on_channel || |
7110 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7111 | return -EOPNOTSUPP; | |
7112 | ||
9588bbd5 | 7113 | /* |
ebf348fc JB |
7114 | * We should be on that channel for at least a minimum amount of |
7115 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7116 | */ |
ebf348fc | 7117 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 7118 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
7119 | return -EINVAL; |
7120 | ||
683b6d3b JB |
7121 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7122 | if (err) | |
7123 | return err; | |
9588bbd5 JM |
7124 | |
7125 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7126 | if (!msg) |
7127 | return -ENOMEM; | |
9588bbd5 | 7128 | |
15e47304 | 7129 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 7130 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
7131 | if (!hdr) { |
7132 | err = -ENOBUFS; | |
9588bbd5 JM |
7133 | goto free_msg; |
7134 | } | |
7135 | ||
683b6d3b JB |
7136 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
7137 | duration, &cookie); | |
9588bbd5 JM |
7138 | |
7139 | if (err) | |
7140 | goto free_msg; | |
7141 | ||
9360ffd1 DM |
7142 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7143 | goto nla_put_failure; | |
9588bbd5 JM |
7144 | |
7145 | genlmsg_end(msg, hdr); | |
4c476991 JB |
7146 | |
7147 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
7148 | |
7149 | nla_put_failure: | |
7150 | err = -ENOBUFS; | |
7151 | free_msg: | |
7152 | nlmsg_free(msg); | |
9588bbd5 JM |
7153 | return err; |
7154 | } | |
7155 | ||
7156 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
7157 | struct genl_info *info) | |
7158 | { | |
4c476991 | 7159 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7160 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 7161 | u64 cookie; |
9588bbd5 JM |
7162 | |
7163 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7164 | return -EINVAL; | |
7165 | ||
4c476991 JB |
7166 | if (!rdev->ops->cancel_remain_on_channel) |
7167 | return -EOPNOTSUPP; | |
9588bbd5 | 7168 | |
9588bbd5 JM |
7169 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
7170 | ||
e35e4d28 | 7171 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7172 | } |
7173 | ||
13ae75b1 JM |
7174 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7175 | u8 *rates, u8 rates_len) | |
7176 | { | |
7177 | u8 i; | |
7178 | u32 mask = 0; | |
7179 | ||
7180 | for (i = 0; i < rates_len; i++) { | |
7181 | int rate = (rates[i] & 0x7f) * 5; | |
7182 | int ridx; | |
7183 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7184 | struct ieee80211_rate *srate = | |
7185 | &sband->bitrates[ridx]; | |
7186 | if (rate == srate->bitrate) { | |
7187 | mask |= 1 << ridx; | |
7188 | break; | |
7189 | } | |
7190 | } | |
7191 | if (ridx == sband->n_bitrates) | |
7192 | return 0; /* rate not found */ | |
7193 | } | |
7194 | ||
7195 | return mask; | |
7196 | } | |
7197 | ||
24db78c0 SW |
7198 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7199 | u8 *rates, u8 rates_len, | |
7200 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7201 | { | |
7202 | u8 i; | |
7203 | ||
7204 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7205 | ||
7206 | for (i = 0; i < rates_len; i++) { | |
7207 | int ridx, rbit; | |
7208 | ||
7209 | ridx = rates[i] / 8; | |
7210 | rbit = BIT(rates[i] % 8); | |
7211 | ||
7212 | /* check validity */ | |
910570b5 | 7213 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7214 | return false; |
7215 | ||
7216 | /* check availability */ | |
7217 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7218 | mcs[ridx] |= rbit; | |
7219 | else | |
7220 | return false; | |
7221 | } | |
7222 | ||
7223 | return true; | |
7224 | } | |
7225 | ||
b54452b0 | 7226 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
7227 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
7228 | .len = NL80211_MAX_SUPP_RATES }, | |
24db78c0 SW |
7229 | [NL80211_TXRATE_MCS] = { .type = NLA_BINARY, |
7230 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
13ae75b1 JM |
7231 | }; |
7232 | ||
7233 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
7234 | struct genl_info *info) | |
7235 | { | |
7236 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 7237 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 7238 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
7239 | int rem, i; |
7240 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
7241 | struct nlattr *tx_rates; |
7242 | struct ieee80211_supported_band *sband; | |
7243 | ||
7244 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) | |
7245 | return -EINVAL; | |
7246 | ||
4c476991 JB |
7247 | if (!rdev->ops->set_bitrate_mask) |
7248 | return -EOPNOTSUPP; | |
13ae75b1 JM |
7249 | |
7250 | memset(&mask, 0, sizeof(mask)); | |
7251 | /* Default to all rates enabled */ | |
7252 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
7253 | sband = rdev->wiphy.bands[i]; | |
7254 | mask.control[i].legacy = | |
7255 | sband ? (1 << sband->n_bitrates) - 1 : 0; | |
24db78c0 SW |
7256 | if (sband) |
7257 | memcpy(mask.control[i].mcs, | |
7258 | sband->ht_cap.mcs.rx_mask, | |
7259 | sizeof(mask.control[i].mcs)); | |
7260 | else | |
7261 | memset(mask.control[i].mcs, 0, | |
7262 | sizeof(mask.control[i].mcs)); | |
13ae75b1 JM |
7263 | } |
7264 | ||
7265 | /* | |
7266 | * The nested attribute uses enum nl80211_band as the index. This maps | |
7267 | * directly to the enum ieee80211_band values used in cfg80211. | |
7268 | */ | |
24db78c0 | 7269 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
13ae75b1 JM |
7270 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) |
7271 | { | |
7272 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
7273 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
7274 | return -EINVAL; | |
13ae75b1 | 7275 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
7276 | if (sband == NULL) |
7277 | return -EINVAL; | |
13ae75b1 JM |
7278 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
7279 | nla_len(tx_rates), nl80211_txattr_policy); | |
7280 | if (tb[NL80211_TXRATE_LEGACY]) { | |
7281 | mask.control[band].legacy = rateset_to_mask( | |
7282 | sband, | |
7283 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
7284 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
7285 | if ((mask.control[band].legacy == 0) && |
7286 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
7287 | return -EINVAL; | |
24db78c0 SW |
7288 | } |
7289 | if (tb[NL80211_TXRATE_MCS]) { | |
7290 | if (!ht_rateset_to_mask( | |
7291 | sband, | |
7292 | nla_data(tb[NL80211_TXRATE_MCS]), | |
7293 | nla_len(tb[NL80211_TXRATE_MCS]), | |
7294 | mask.control[band].mcs)) | |
7295 | return -EINVAL; | |
7296 | } | |
7297 | ||
7298 | if (mask.control[band].legacy == 0) { | |
7299 | /* don't allow empty legacy rates if HT | |
7300 | * is not even supported. */ | |
7301 | if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) | |
7302 | return -EINVAL; | |
7303 | ||
7304 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
7305 | if (mask.control[band].mcs[i]) | |
7306 | break; | |
7307 | ||
7308 | /* legacy and mcs rates may not be both empty */ | |
7309 | if (i == IEEE80211_HT_MCS_MASK_LEN) | |
4c476991 | 7310 | return -EINVAL; |
13ae75b1 JM |
7311 | } |
7312 | } | |
7313 | ||
e35e4d28 | 7314 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
7315 | } |
7316 | ||
2e161f78 | 7317 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7318 | { |
4c476991 | 7319 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7320 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 7321 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
7322 | |
7323 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
7324 | return -EINVAL; | |
7325 | ||
2e161f78 JB |
7326 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
7327 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 7328 | |
71bbc994 JB |
7329 | switch (wdev->iftype) { |
7330 | case NL80211_IFTYPE_STATION: | |
7331 | case NL80211_IFTYPE_ADHOC: | |
7332 | case NL80211_IFTYPE_P2P_CLIENT: | |
7333 | case NL80211_IFTYPE_AP: | |
7334 | case NL80211_IFTYPE_AP_VLAN: | |
7335 | case NL80211_IFTYPE_MESH_POINT: | |
7336 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7337 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7338 | break; |
7339 | default: | |
4c476991 | 7340 | return -EOPNOTSUPP; |
71bbc994 | 7341 | } |
026331c4 JM |
7342 | |
7343 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
7344 | if (!rdev->ops->mgmt_tx) |
7345 | return -EOPNOTSUPP; | |
026331c4 | 7346 | |
15e47304 | 7347 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
7348 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
7349 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
7350 | } |
7351 | ||
2e161f78 | 7352 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7353 | { |
4c476991 | 7354 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7355 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7356 | struct cfg80211_chan_def chandef; |
026331c4 | 7357 | int err; |
d64d373f | 7358 | void *hdr = NULL; |
026331c4 | 7359 | u64 cookie; |
e247bd90 | 7360 | struct sk_buff *msg = NULL; |
f7ca38df | 7361 | unsigned int wait = 0; |
e247bd90 JB |
7362 | bool offchan, no_cck, dont_wait_for_ack; |
7363 | ||
7364 | dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; | |
026331c4 | 7365 | |
683b6d3b | 7366 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
7367 | return -EINVAL; |
7368 | ||
4c476991 JB |
7369 | if (!rdev->ops->mgmt_tx) |
7370 | return -EOPNOTSUPP; | |
026331c4 | 7371 | |
71bbc994 | 7372 | switch (wdev->iftype) { |
ea141b75 AQ |
7373 | case NL80211_IFTYPE_P2P_DEVICE: |
7374 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7375 | return -EINVAL; | |
71bbc994 JB |
7376 | case NL80211_IFTYPE_STATION: |
7377 | case NL80211_IFTYPE_ADHOC: | |
7378 | case NL80211_IFTYPE_P2P_CLIENT: | |
7379 | case NL80211_IFTYPE_AP: | |
7380 | case NL80211_IFTYPE_AP_VLAN: | |
7381 | case NL80211_IFTYPE_MESH_POINT: | |
7382 | case NL80211_IFTYPE_P2P_GO: | |
7383 | break; | |
7384 | default: | |
4c476991 | 7385 | return -EOPNOTSUPP; |
71bbc994 | 7386 | } |
026331c4 | 7387 | |
f7ca38df | 7388 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 7389 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df JB |
7390 | return -EINVAL; |
7391 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
ebf348fc JB |
7392 | |
7393 | /* | |
7394 | * We should wait on the channel for at least a minimum amount | |
7395 | * of time (10ms) but no longer than the driver supports. | |
7396 | */ | |
7397 | if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || | |
7398 | wait > rdev->wiphy.max_remain_on_channel_duration) | |
7399 | return -EINVAL; | |
7400 | ||
f7ca38df JB |
7401 | } |
7402 | ||
f7ca38df JB |
7403 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
7404 | ||
7c4ef712 JB |
7405 | if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7406 | return -EINVAL; | |
7407 | ||
e9f935e3 RM |
7408 | no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
7409 | ||
ea141b75 AQ |
7410 | /* get the channel if any has been specified, otherwise pass NULL to |
7411 | * the driver. The latter will use the current one | |
7412 | */ | |
7413 | chandef.chan = NULL; | |
7414 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
7415 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
7416 | if (err) | |
7417 | return err; | |
7418 | } | |
7419 | ||
7420 | if (!chandef.chan && offchan) | |
7421 | return -EINVAL; | |
026331c4 | 7422 | |
e247bd90 JB |
7423 | if (!dont_wait_for_ack) { |
7424 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
7425 | if (!msg) | |
7426 | return -ENOMEM; | |
026331c4 | 7427 | |
15e47304 | 7428 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 7429 | NL80211_CMD_FRAME); |
cb35fba3 DC |
7430 | if (!hdr) { |
7431 | err = -ENOBUFS; | |
e247bd90 JB |
7432 | goto free_msg; |
7433 | } | |
026331c4 | 7434 | } |
e247bd90 | 7435 | |
683b6d3b | 7436 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait, |
2e161f78 JB |
7437 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
7438 | nla_len(info->attrs[NL80211_ATTR_FRAME]), | |
e247bd90 | 7439 | no_cck, dont_wait_for_ack, &cookie); |
026331c4 JM |
7440 | if (err) |
7441 | goto free_msg; | |
7442 | ||
e247bd90 | 7443 | if (msg) { |
9360ffd1 DM |
7444 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7445 | goto nla_put_failure; | |
026331c4 | 7446 | |
e247bd90 JB |
7447 | genlmsg_end(msg, hdr); |
7448 | return genlmsg_reply(msg, info); | |
7449 | } | |
7450 | ||
7451 | return 0; | |
026331c4 JM |
7452 | |
7453 | nla_put_failure: | |
7454 | err = -ENOBUFS; | |
7455 | free_msg: | |
7456 | nlmsg_free(msg); | |
026331c4 JM |
7457 | return err; |
7458 | } | |
7459 | ||
f7ca38df JB |
7460 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
7461 | { | |
7462 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 7463 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
7464 | u64 cookie; |
7465 | ||
7466 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7467 | return -EINVAL; | |
7468 | ||
7469 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
7470 | return -EOPNOTSUPP; | |
7471 | ||
71bbc994 JB |
7472 | switch (wdev->iftype) { |
7473 | case NL80211_IFTYPE_STATION: | |
7474 | case NL80211_IFTYPE_ADHOC: | |
7475 | case NL80211_IFTYPE_P2P_CLIENT: | |
7476 | case NL80211_IFTYPE_AP: | |
7477 | case NL80211_IFTYPE_AP_VLAN: | |
7478 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7479 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7480 | break; |
7481 | default: | |
f7ca38df | 7482 | return -EOPNOTSUPP; |
71bbc994 | 7483 | } |
f7ca38df JB |
7484 | |
7485 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7486 | ||
e35e4d28 | 7487 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
7488 | } |
7489 | ||
ffb9eb3d KV |
7490 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
7491 | { | |
4c476991 | 7492 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 7493 | struct wireless_dev *wdev; |
4c476991 | 7494 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7495 | u8 ps_state; |
7496 | bool state; | |
7497 | int err; | |
7498 | ||
4c476991 JB |
7499 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
7500 | return -EINVAL; | |
ffb9eb3d KV |
7501 | |
7502 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
7503 | ||
4c476991 JB |
7504 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
7505 | return -EINVAL; | |
ffb9eb3d KV |
7506 | |
7507 | wdev = dev->ieee80211_ptr; | |
7508 | ||
4c476991 JB |
7509 | if (!rdev->ops->set_power_mgmt) |
7510 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7511 | |
7512 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
7513 | ||
7514 | if (state == wdev->ps) | |
4c476991 | 7515 | return 0; |
ffb9eb3d | 7516 | |
e35e4d28 | 7517 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
7518 | if (!err) |
7519 | wdev->ps = state; | |
ffb9eb3d KV |
7520 | return err; |
7521 | } | |
7522 | ||
7523 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
7524 | { | |
4c476991 | 7525 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
7526 | enum nl80211_ps_state ps_state; |
7527 | struct wireless_dev *wdev; | |
4c476991 | 7528 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7529 | struct sk_buff *msg; |
7530 | void *hdr; | |
7531 | int err; | |
7532 | ||
ffb9eb3d KV |
7533 | wdev = dev->ieee80211_ptr; |
7534 | ||
4c476991 JB |
7535 | if (!rdev->ops->set_power_mgmt) |
7536 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7537 | |
7538 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7539 | if (!msg) |
7540 | return -ENOMEM; | |
ffb9eb3d | 7541 | |
15e47304 | 7542 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
7543 | NL80211_CMD_GET_POWER_SAVE); |
7544 | if (!hdr) { | |
4c476991 | 7545 | err = -ENOBUFS; |
ffb9eb3d KV |
7546 | goto free_msg; |
7547 | } | |
7548 | ||
7549 | if (wdev->ps) | |
7550 | ps_state = NL80211_PS_ENABLED; | |
7551 | else | |
7552 | ps_state = NL80211_PS_DISABLED; | |
7553 | ||
9360ffd1 DM |
7554 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
7555 | goto nla_put_failure; | |
ffb9eb3d KV |
7556 | |
7557 | genlmsg_end(msg, hdr); | |
4c476991 | 7558 | return genlmsg_reply(msg, info); |
ffb9eb3d | 7559 | |
4c476991 | 7560 | nla_put_failure: |
ffb9eb3d | 7561 | err = -ENOBUFS; |
4c476991 | 7562 | free_msg: |
ffb9eb3d | 7563 | nlmsg_free(msg); |
ffb9eb3d KV |
7564 | return err; |
7565 | } | |
7566 | ||
d6dc1a38 JO |
7567 | static struct nla_policy |
7568 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
7569 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
7570 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
7571 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
7572 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
7573 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
7574 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
7575 | }; |
7576 | ||
84f10708 | 7577 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 7578 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
7579 | { |
7580 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 7581 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7582 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 7583 | |
d9d8b019 | 7584 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
7585 | return -EINVAL; |
7586 | ||
84f10708 TP |
7587 | if (!rdev->ops->set_cqm_txe_config) |
7588 | return -EOPNOTSUPP; | |
7589 | ||
7590 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
7591 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
7592 | return -EOPNOTSUPP; | |
7593 | ||
e35e4d28 | 7594 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
7595 | } |
7596 | ||
d6dc1a38 JO |
7597 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
7598 | s32 threshold, u32 hysteresis) | |
7599 | { | |
4c476991 | 7600 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 7601 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7602 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
7603 | |
7604 | if (threshold > 0) | |
7605 | return -EINVAL; | |
7606 | ||
1da5fcc8 JB |
7607 | /* disabling - hysteresis should also be zero then */ |
7608 | if (threshold == 0) | |
7609 | hysteresis = 0; | |
d6dc1a38 | 7610 | |
4c476991 JB |
7611 | if (!rdev->ops->set_cqm_rssi_config) |
7612 | return -EOPNOTSUPP; | |
d6dc1a38 | 7613 | |
074ac8df | 7614 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7615 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7616 | return -EOPNOTSUPP; | |
d6dc1a38 | 7617 | |
e35e4d28 | 7618 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
7619 | } |
7620 | ||
7621 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
7622 | { | |
7623 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
7624 | struct nlattr *cqm; | |
7625 | int err; | |
7626 | ||
7627 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
7628 | if (!cqm) |
7629 | return -EINVAL; | |
d6dc1a38 JO |
7630 | |
7631 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
7632 | nl80211_attr_cqm_policy); | |
7633 | if (err) | |
1da5fcc8 | 7634 | return err; |
d6dc1a38 JO |
7635 | |
7636 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
7637 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
7638 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
7639 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 7640 | |
1da5fcc8 JB |
7641 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
7642 | } | |
7643 | ||
7644 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
7645 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
7646 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
7647 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
7648 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
7649 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
7650 | ||
7651 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
7652 | } | |
7653 | ||
7654 | return -EINVAL; | |
d6dc1a38 JO |
7655 | } |
7656 | ||
29cbe68c JB |
7657 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
7658 | { | |
7659 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7660 | struct net_device *dev = info->user_ptr[1]; | |
7661 | struct mesh_config cfg; | |
c80d545d | 7662 | struct mesh_setup setup; |
29cbe68c JB |
7663 | int err; |
7664 | ||
7665 | /* start with default */ | |
7666 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 7667 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 7668 | |
24bdd9f4 | 7669 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 7670 | /* and parse parameters if given */ |
24bdd9f4 | 7671 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
7672 | if (err) |
7673 | return err; | |
7674 | } | |
7675 | ||
7676 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
7677 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
7678 | return -EINVAL; | |
7679 | ||
c80d545d JC |
7680 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
7681 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
7682 | ||
4bb62344 CYY |
7683 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
7684 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
7685 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
7686 | return -EINVAL; | |
7687 | ||
9bdbf04d MP |
7688 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
7689 | setup.beacon_interval = | |
7690 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
7691 | if (setup.beacon_interval < 10 || | |
7692 | setup.beacon_interval > 10000) | |
7693 | return -EINVAL; | |
7694 | } | |
7695 | ||
7696 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
7697 | setup.dtim_period = | |
7698 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
7699 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
7700 | return -EINVAL; | |
7701 | } | |
7702 | ||
c80d545d JC |
7703 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
7704 | /* parse additional setup parameters if given */ | |
7705 | err = nl80211_parse_mesh_setup(info, &setup); | |
7706 | if (err) | |
7707 | return err; | |
7708 | } | |
7709 | ||
d37bb18a TP |
7710 | if (setup.user_mpm) |
7711 | cfg.auto_open_plinks = false; | |
7712 | ||
cc1d2806 | 7713 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
7714 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
7715 | if (err) | |
7716 | return err; | |
cc1d2806 JB |
7717 | } else { |
7718 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 7719 | setup.chandef.chan = NULL; |
cc1d2806 JB |
7720 | } |
7721 | ||
ffb3cf30 AN |
7722 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
7723 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7724 | int n_rates = | |
7725 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7726 | struct ieee80211_supported_band *sband; | |
7727 | ||
7728 | if (!setup.chandef.chan) | |
7729 | return -EINVAL; | |
7730 | ||
7731 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
7732 | ||
7733 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
7734 | &setup.basic_rates); | |
7735 | if (err) | |
7736 | return err; | |
7737 | } | |
7738 | ||
c80d545d | 7739 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
7740 | } |
7741 | ||
7742 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
7743 | { | |
7744 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7745 | struct net_device *dev = info->user_ptr[1]; | |
7746 | ||
7747 | return cfg80211_leave_mesh(rdev, dev); | |
7748 | } | |
7749 | ||
dfb89c56 | 7750 | #ifdef CONFIG_PM |
bb92d199 AK |
7751 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
7752 | struct cfg80211_registered_device *rdev) | |
7753 | { | |
6abb9cb9 | 7754 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
7755 | struct nlattr *nl_pats, *nl_pat; |
7756 | int i, pat_len; | |
7757 | ||
6abb9cb9 | 7758 | if (!wowlan->n_patterns) |
bb92d199 AK |
7759 | return 0; |
7760 | ||
7761 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
7762 | if (!nl_pats) | |
7763 | return -ENOBUFS; | |
7764 | ||
6abb9cb9 | 7765 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
7766 | nl_pat = nla_nest_start(msg, i + 1); |
7767 | if (!nl_pat) | |
7768 | return -ENOBUFS; | |
6abb9cb9 | 7769 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 7770 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 7771 | wowlan->patterns[i].mask) || |
50ac6607 AK |
7772 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
7773 | wowlan->patterns[i].pattern) || | |
7774 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 7775 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
7776 | return -ENOBUFS; |
7777 | nla_nest_end(msg, nl_pat); | |
7778 | } | |
7779 | nla_nest_end(msg, nl_pats); | |
7780 | ||
7781 | return 0; | |
7782 | } | |
7783 | ||
2a0e047e JB |
7784 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
7785 | struct cfg80211_wowlan_tcp *tcp) | |
7786 | { | |
7787 | struct nlattr *nl_tcp; | |
7788 | ||
7789 | if (!tcp) | |
7790 | return 0; | |
7791 | ||
7792 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
7793 | if (!nl_tcp) | |
7794 | return -ENOBUFS; | |
7795 | ||
7796 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
7797 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
7798 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
7799 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
7800 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
7801 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
7802 | tcp->payload_len, tcp->payload) || | |
7803 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
7804 | tcp->data_interval) || | |
7805 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
7806 | tcp->wake_len, tcp->wake_data) || | |
7807 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
7808 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
7809 | return -ENOBUFS; | |
7810 | ||
7811 | if (tcp->payload_seq.len && | |
7812 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
7813 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
7814 | return -ENOBUFS; | |
7815 | ||
7816 | if (tcp->payload_tok.len && | |
7817 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
7818 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
7819 | &tcp->payload_tok)) | |
7820 | return -ENOBUFS; | |
7821 | ||
e248ad30 JB |
7822 | nla_nest_end(msg, nl_tcp); |
7823 | ||
2a0e047e JB |
7824 | return 0; |
7825 | } | |
7826 | ||
ff1b6e69 JB |
7827 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
7828 | { | |
7829 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7830 | struct sk_buff *msg; | |
7831 | void *hdr; | |
2a0e047e | 7832 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 7833 | |
964dc9e2 | 7834 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
7835 | return -EOPNOTSUPP; |
7836 | ||
6abb9cb9 | 7837 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 7838 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
7839 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
7840 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
7841 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
7842 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
7843 | } |
7844 | ||
7845 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
7846 | if (!msg) |
7847 | return -ENOMEM; | |
7848 | ||
15e47304 | 7849 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
7850 | NL80211_CMD_GET_WOWLAN); |
7851 | if (!hdr) | |
7852 | goto nla_put_failure; | |
7853 | ||
6abb9cb9 | 7854 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
7855 | struct nlattr *nl_wowlan; |
7856 | ||
7857 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7858 | if (!nl_wowlan) | |
7859 | goto nla_put_failure; | |
7860 | ||
6abb9cb9 | 7861 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 7862 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 7863 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 7864 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 7865 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 7866 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 7867 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 7868 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 7869 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 7870 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 7871 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 7872 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 7873 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
7874 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
7875 | goto nla_put_failure; | |
2a0e047e | 7876 | |
bb92d199 AK |
7877 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
7878 | goto nla_put_failure; | |
2a0e047e | 7879 | |
6abb9cb9 JB |
7880 | if (nl80211_send_wowlan_tcp(msg, |
7881 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e JB |
7882 | goto nla_put_failure; |
7883 | ||
ff1b6e69 JB |
7884 | nla_nest_end(msg, nl_wowlan); |
7885 | } | |
7886 | ||
7887 | genlmsg_end(msg, hdr); | |
7888 | return genlmsg_reply(msg, info); | |
7889 | ||
7890 | nla_put_failure: | |
7891 | nlmsg_free(msg); | |
7892 | return -ENOBUFS; | |
7893 | } | |
7894 | ||
2a0e047e JB |
7895 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
7896 | struct nlattr *attr, | |
7897 | struct cfg80211_wowlan *trig) | |
7898 | { | |
7899 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
7900 | struct cfg80211_wowlan_tcp *cfg; | |
7901 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
7902 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
7903 | u32 size; | |
7904 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
7905 | int err, port; | |
7906 | ||
964dc9e2 | 7907 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
7908 | return -EINVAL; |
7909 | ||
7910 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
7911 | nla_data(attr), nla_len(attr), | |
7912 | nl80211_wowlan_tcp_policy); | |
7913 | if (err) | |
7914 | return err; | |
7915 | ||
7916 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
7917 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
7918 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
7919 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
7920 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
7921 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
7922 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
7923 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
7924 | return -EINVAL; | |
7925 | ||
7926 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 7927 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
7928 | return -EINVAL; |
7929 | ||
7930 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 7931 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 7932 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
7933 | return -EINVAL; |
7934 | ||
7935 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 7936 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
7937 | return -EINVAL; |
7938 | ||
7939 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
7940 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
7941 | return -EINVAL; | |
7942 | ||
7943 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
7944 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
7945 | ||
7946 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
7947 | tokens_size = tokln - sizeof(*tok); | |
7948 | ||
7949 | if (!tok->len || tokens_size % tok->len) | |
7950 | return -EINVAL; | |
964dc9e2 | 7951 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 7952 | return -EINVAL; |
964dc9e2 | 7953 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 7954 | return -EINVAL; |
964dc9e2 | 7955 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 7956 | return -EINVAL; |
964dc9e2 | 7957 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
7958 | return -EINVAL; |
7959 | if (tok->offset + tok->len > data_size) | |
7960 | return -EINVAL; | |
7961 | } | |
7962 | ||
7963 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
7964 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 7965 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
7966 | return -EINVAL; |
7967 | if (seq->len == 0 || seq->len > 4) | |
7968 | return -EINVAL; | |
7969 | if (seq->len + seq->offset > data_size) | |
7970 | return -EINVAL; | |
7971 | } | |
7972 | ||
7973 | size = sizeof(*cfg); | |
7974 | size += data_size; | |
7975 | size += wake_size + wake_mask_size; | |
7976 | size += tokens_size; | |
7977 | ||
7978 | cfg = kzalloc(size, GFP_KERNEL); | |
7979 | if (!cfg) | |
7980 | return -ENOMEM; | |
7981 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
7982 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
7983 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
7984 | ETH_ALEN); | |
7985 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
7986 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
7987 | else | |
7988 | port = 0; | |
7989 | #ifdef CONFIG_INET | |
7990 | /* allocate a socket and port for it and use it */ | |
7991 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
7992 | IPPROTO_TCP, &cfg->sock, 1); | |
7993 | if (err) { | |
7994 | kfree(cfg); | |
7995 | return err; | |
7996 | } | |
7997 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
7998 | sock_release(cfg->sock); | |
7999 | kfree(cfg); | |
8000 | return -EADDRINUSE; | |
8001 | } | |
8002 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
8003 | #else | |
8004 | if (!port) { | |
8005 | kfree(cfg); | |
8006 | return -EINVAL; | |
8007 | } | |
8008 | cfg->src_port = port; | |
8009 | #endif | |
8010 | ||
8011 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
8012 | cfg->payload_len = data_size; | |
8013 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
8014 | memcpy((void *)cfg->payload, | |
8015 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
8016 | data_size); | |
8017 | if (seq) | |
8018 | cfg->payload_seq = *seq; | |
8019 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
8020 | cfg->wake_len = wake_size; | |
8021 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
8022 | memcpy((void *)cfg->wake_data, | |
8023 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
8024 | wake_size); | |
8025 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
8026 | data_size + wake_size; | |
8027 | memcpy((void *)cfg->wake_mask, | |
8028 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
8029 | wake_mask_size); | |
8030 | if (tok) { | |
8031 | cfg->tokens_size = tokens_size; | |
8032 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
8033 | } | |
8034 | ||
8035 | trig->tcp = cfg; | |
8036 | ||
8037 | return 0; | |
8038 | } | |
8039 | ||
ff1b6e69 JB |
8040 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
8041 | { | |
8042 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8043 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 8044 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 8045 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 8046 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 8047 | int err, i; |
6abb9cb9 | 8048 | bool prev_enabled = rdev->wiphy.wowlan_config; |
ff1b6e69 | 8049 | |
964dc9e2 | 8050 | if (!wowlan) |
ff1b6e69 JB |
8051 | return -EOPNOTSUPP; |
8052 | ||
ae33bd81 JB |
8053 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
8054 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 8055 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
8056 | goto set_wakeup; |
8057 | } | |
ff1b6e69 JB |
8058 | |
8059 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
8060 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8061 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8062 | nl80211_wowlan_policy); | |
8063 | if (err) | |
8064 | return err; | |
8065 | ||
8066 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
8067 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
8068 | return -EINVAL; | |
8069 | new_triggers.any = true; | |
8070 | } | |
8071 | ||
8072 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
8073 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
8074 | return -EINVAL; | |
8075 | new_triggers.disconnect = true; | |
8076 | } | |
8077 | ||
8078 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
8079 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
8080 | return -EINVAL; | |
8081 | new_triggers.magic_pkt = true; | |
8082 | } | |
8083 | ||
77dbbb13 JB |
8084 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
8085 | return -EINVAL; | |
8086 | ||
8087 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
8088 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
8089 | return -EINVAL; | |
8090 | new_triggers.gtk_rekey_failure = true; | |
8091 | } | |
8092 | ||
8093 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
8094 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
8095 | return -EINVAL; | |
8096 | new_triggers.eap_identity_req = true; | |
8097 | } | |
8098 | ||
8099 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
8100 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
8101 | return -EINVAL; | |
8102 | new_triggers.four_way_handshake = true; | |
8103 | } | |
8104 | ||
8105 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
8106 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
8107 | return -EINVAL; | |
8108 | new_triggers.rfkill_release = true; | |
8109 | } | |
8110 | ||
ff1b6e69 JB |
8111 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
8112 | struct nlattr *pat; | |
8113 | int n_patterns = 0; | |
bb92d199 | 8114 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 8115 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 JB |
8116 | |
8117 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8118 | rem) | |
8119 | n_patterns++; | |
8120 | if (n_patterns > wowlan->n_patterns) | |
8121 | return -EINVAL; | |
8122 | ||
8123 | new_triggers.patterns = kcalloc(n_patterns, | |
8124 | sizeof(new_triggers.patterns[0]), | |
8125 | GFP_KERNEL); | |
8126 | if (!new_triggers.patterns) | |
8127 | return -ENOMEM; | |
8128 | ||
8129 | new_triggers.n_patterns = n_patterns; | |
8130 | i = 0; | |
8131 | ||
8132 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8133 | rem) { | |
50ac6607 AK |
8134 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8135 | nla_len(pat), NULL); | |
ff1b6e69 | 8136 | err = -EINVAL; |
50ac6607 AK |
8137 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
8138 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 8139 | goto error; |
50ac6607 | 8140 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 8141 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 8142 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
8143 | goto error; |
8144 | if (pat_len > wowlan->pattern_max_len || | |
8145 | pat_len < wowlan->pattern_min_len) | |
8146 | goto error; | |
8147 | ||
50ac6607 | 8148 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
8149 | pkt_offset = 0; |
8150 | else | |
8151 | pkt_offset = nla_get_u32( | |
50ac6607 | 8152 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
8153 | if (pkt_offset > wowlan->max_pkt_offset) |
8154 | goto error; | |
8155 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
8156 | ||
ff1b6e69 JB |
8157 | new_triggers.patterns[i].mask = |
8158 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8159 | if (!new_triggers.patterns[i].mask) { | |
8160 | err = -ENOMEM; | |
8161 | goto error; | |
8162 | } | |
8163 | new_triggers.patterns[i].pattern = | |
8164 | new_triggers.patterns[i].mask + mask_len; | |
8165 | memcpy(new_triggers.patterns[i].mask, | |
50ac6607 | 8166 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), |
ff1b6e69 JB |
8167 | mask_len); |
8168 | new_triggers.patterns[i].pattern_len = pat_len; | |
8169 | memcpy(new_triggers.patterns[i].pattern, | |
50ac6607 | 8170 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
8171 | pat_len); |
8172 | i++; | |
8173 | } | |
8174 | } | |
8175 | ||
2a0e047e JB |
8176 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
8177 | err = nl80211_parse_wowlan_tcp( | |
8178 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
8179 | &new_triggers); | |
8180 | if (err) | |
8181 | goto error; | |
8182 | } | |
8183 | ||
ae33bd81 JB |
8184 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
8185 | if (!ntrig) { | |
8186 | err = -ENOMEM; | |
8187 | goto error; | |
ff1b6e69 | 8188 | } |
ae33bd81 | 8189 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 8190 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 8191 | |
ae33bd81 | 8192 | set_wakeup: |
6abb9cb9 JB |
8193 | if (rdev->ops->set_wakeup && |
8194 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
8195 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 8196 | |
ff1b6e69 JB |
8197 | return 0; |
8198 | error: | |
8199 | for (i = 0; i < new_triggers.n_patterns; i++) | |
8200 | kfree(new_triggers.patterns[i].mask); | |
8201 | kfree(new_triggers.patterns); | |
2a0e047e JB |
8202 | if (new_triggers.tcp && new_triggers.tcp->sock) |
8203 | sock_release(new_triggers.tcp->sock); | |
8204 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
8205 | return err; |
8206 | } | |
dfb89c56 | 8207 | #endif |
ff1b6e69 | 8208 | |
be29b99a AK |
8209 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
8210 | struct cfg80211_registered_device *rdev) | |
8211 | { | |
8212 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
8213 | int i, j, pat_len; | |
8214 | struct cfg80211_coalesce_rules *rule; | |
8215 | ||
8216 | if (!rdev->coalesce->n_rules) | |
8217 | return 0; | |
8218 | ||
8219 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
8220 | if (!nl_rules) | |
8221 | return -ENOBUFS; | |
8222 | ||
8223 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
8224 | nl_rule = nla_nest_start(msg, i + 1); | |
8225 | if (!nl_rule) | |
8226 | return -ENOBUFS; | |
8227 | ||
8228 | rule = &rdev->coalesce->rules[i]; | |
8229 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
8230 | rule->delay)) | |
8231 | return -ENOBUFS; | |
8232 | ||
8233 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
8234 | rule->condition)) | |
8235 | return -ENOBUFS; | |
8236 | ||
8237 | nl_pats = nla_nest_start(msg, | |
8238 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
8239 | if (!nl_pats) | |
8240 | return -ENOBUFS; | |
8241 | ||
8242 | for (j = 0; j < rule->n_patterns; j++) { | |
8243 | nl_pat = nla_nest_start(msg, j + 1); | |
8244 | if (!nl_pat) | |
8245 | return -ENOBUFS; | |
8246 | pat_len = rule->patterns[j].pattern_len; | |
8247 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
8248 | DIV_ROUND_UP(pat_len, 8), | |
8249 | rule->patterns[j].mask) || | |
8250 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
8251 | rule->patterns[j].pattern) || | |
8252 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
8253 | rule->patterns[j].pkt_offset)) | |
8254 | return -ENOBUFS; | |
8255 | nla_nest_end(msg, nl_pat); | |
8256 | } | |
8257 | nla_nest_end(msg, nl_pats); | |
8258 | nla_nest_end(msg, nl_rule); | |
8259 | } | |
8260 | nla_nest_end(msg, nl_rules); | |
8261 | ||
8262 | return 0; | |
8263 | } | |
8264 | ||
8265 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8266 | { | |
8267 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8268 | struct sk_buff *msg; | |
8269 | void *hdr; | |
8270 | ||
8271 | if (!rdev->wiphy.coalesce) | |
8272 | return -EOPNOTSUPP; | |
8273 | ||
8274 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8275 | if (!msg) | |
8276 | return -ENOMEM; | |
8277 | ||
8278 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8279 | NL80211_CMD_GET_COALESCE); | |
8280 | if (!hdr) | |
8281 | goto nla_put_failure; | |
8282 | ||
8283 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
8284 | goto nla_put_failure; | |
8285 | ||
8286 | genlmsg_end(msg, hdr); | |
8287 | return genlmsg_reply(msg, info); | |
8288 | ||
8289 | nla_put_failure: | |
8290 | nlmsg_free(msg); | |
8291 | return -ENOBUFS; | |
8292 | } | |
8293 | ||
8294 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
8295 | { | |
8296 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
8297 | int i, j; | |
8298 | struct cfg80211_coalesce_rules *rule; | |
8299 | ||
8300 | if (!coalesce) | |
8301 | return; | |
8302 | ||
8303 | for (i = 0; i < coalesce->n_rules; i++) { | |
8304 | rule = &coalesce->rules[i]; | |
8305 | for (j = 0; j < rule->n_patterns; j++) | |
8306 | kfree(rule->patterns[j].mask); | |
8307 | kfree(rule->patterns); | |
8308 | } | |
8309 | kfree(coalesce->rules); | |
8310 | kfree(coalesce); | |
8311 | rdev->coalesce = NULL; | |
8312 | } | |
8313 | ||
8314 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
8315 | struct nlattr *rule, | |
8316 | struct cfg80211_coalesce_rules *new_rule) | |
8317 | { | |
8318 | int err, i; | |
8319 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8320 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
8321 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
8322 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
8323 | ||
8324 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
8325 | nla_len(rule), nl80211_coalesce_policy); | |
8326 | if (err) | |
8327 | return err; | |
8328 | ||
8329 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
8330 | new_rule->delay = | |
8331 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
8332 | if (new_rule->delay > coalesce->max_delay) | |
8333 | return -EINVAL; | |
8334 | ||
8335 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
8336 | new_rule->condition = | |
8337 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
8338 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
8339 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
8340 | return -EINVAL; | |
8341 | ||
8342 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
8343 | return -EINVAL; | |
8344 | ||
8345 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8346 | rem) | |
8347 | n_patterns++; | |
8348 | if (n_patterns > coalesce->n_patterns) | |
8349 | return -EINVAL; | |
8350 | ||
8351 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
8352 | GFP_KERNEL); | |
8353 | if (!new_rule->patterns) | |
8354 | return -ENOMEM; | |
8355 | ||
8356 | new_rule->n_patterns = n_patterns; | |
8357 | i = 0; | |
8358 | ||
8359 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8360 | rem) { | |
8361 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), | |
8362 | nla_len(pat), NULL); | |
8363 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
8364 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
8365 | return -EINVAL; | |
8366 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
8367 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
8368 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
8369 | return -EINVAL; | |
8370 | if (pat_len > coalesce->pattern_max_len || | |
8371 | pat_len < coalesce->pattern_min_len) | |
8372 | return -EINVAL; | |
8373 | ||
8374 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
8375 | pkt_offset = 0; | |
8376 | else | |
8377 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
8378 | if (pkt_offset > coalesce->max_pkt_offset) | |
8379 | return -EINVAL; | |
8380 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
8381 | ||
8382 | new_rule->patterns[i].mask = | |
8383 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8384 | if (!new_rule->patterns[i].mask) | |
8385 | return -ENOMEM; | |
8386 | new_rule->patterns[i].pattern = | |
8387 | new_rule->patterns[i].mask + mask_len; | |
8388 | memcpy(new_rule->patterns[i].mask, | |
8389 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len); | |
8390 | new_rule->patterns[i].pattern_len = pat_len; | |
8391 | memcpy(new_rule->patterns[i].pattern, | |
8392 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len); | |
8393 | i++; | |
8394 | } | |
8395 | ||
8396 | return 0; | |
8397 | } | |
8398 | ||
8399 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8400 | { | |
8401 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8402 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8403 | struct cfg80211_coalesce new_coalesce = {}; | |
8404 | struct cfg80211_coalesce *n_coalesce; | |
8405 | int err, rem_rule, n_rules = 0, i, j; | |
8406 | struct nlattr *rule; | |
8407 | struct cfg80211_coalesce_rules *tmp_rule; | |
8408 | ||
8409 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
8410 | return -EOPNOTSUPP; | |
8411 | ||
8412 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
8413 | cfg80211_rdev_free_coalesce(rdev); | |
8414 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
8415 | return 0; | |
8416 | } | |
8417 | ||
8418 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8419 | rem_rule) | |
8420 | n_rules++; | |
8421 | if (n_rules > coalesce->n_rules) | |
8422 | return -EINVAL; | |
8423 | ||
8424 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
8425 | GFP_KERNEL); | |
8426 | if (!new_coalesce.rules) | |
8427 | return -ENOMEM; | |
8428 | ||
8429 | new_coalesce.n_rules = n_rules; | |
8430 | i = 0; | |
8431 | ||
8432 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8433 | rem_rule) { | |
8434 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
8435 | &new_coalesce.rules[i]); | |
8436 | if (err) | |
8437 | goto error; | |
8438 | ||
8439 | i++; | |
8440 | } | |
8441 | ||
8442 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
8443 | if (err) | |
8444 | goto error; | |
8445 | ||
8446 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
8447 | if (!n_coalesce) { | |
8448 | err = -ENOMEM; | |
8449 | goto error; | |
8450 | } | |
8451 | cfg80211_rdev_free_coalesce(rdev); | |
8452 | rdev->coalesce = n_coalesce; | |
8453 | ||
8454 | return 0; | |
8455 | error: | |
8456 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
8457 | tmp_rule = &new_coalesce.rules[i]; | |
8458 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
8459 | kfree(tmp_rule->patterns[j].mask); | |
8460 | kfree(tmp_rule->patterns); | |
8461 | } | |
8462 | kfree(new_coalesce.rules); | |
8463 | ||
8464 | return err; | |
8465 | } | |
8466 | ||
e5497d76 JB |
8467 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
8468 | { | |
8469 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8470 | struct net_device *dev = info->user_ptr[1]; | |
8471 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8472 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
8473 | struct cfg80211_gtk_rekey_data rekey_data; | |
8474 | int err; | |
8475 | ||
8476 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
8477 | return -EINVAL; | |
8478 | ||
8479 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
8480 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8481 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8482 | nl80211_rekey_policy); | |
8483 | if (err) | |
8484 | return err; | |
8485 | ||
8486 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
8487 | return -ERANGE; | |
8488 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
8489 | return -ERANGE; | |
8490 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
8491 | return -ERANGE; | |
8492 | ||
8493 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
8494 | NL80211_KEK_LEN); | |
8495 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
8496 | NL80211_KCK_LEN); | |
8497 | memcpy(rekey_data.replay_ctr, | |
8498 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
8499 | NL80211_REPLAY_CTR_LEN); | |
8500 | ||
8501 | wdev_lock(wdev); | |
8502 | if (!wdev->current_bss) { | |
8503 | err = -ENOTCONN; | |
8504 | goto out; | |
8505 | } | |
8506 | ||
8507 | if (!rdev->ops->set_rekey_data) { | |
8508 | err = -EOPNOTSUPP; | |
8509 | goto out; | |
8510 | } | |
8511 | ||
e35e4d28 | 8512 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
8513 | out: |
8514 | wdev_unlock(wdev); | |
8515 | return err; | |
8516 | } | |
8517 | ||
28946da7 JB |
8518 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
8519 | struct genl_info *info) | |
8520 | { | |
8521 | struct net_device *dev = info->user_ptr[1]; | |
8522 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8523 | ||
8524 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8525 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8526 | return -EINVAL; | |
8527 | ||
15e47304 | 8528 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
8529 | return -EBUSY; |
8530 | ||
15e47304 | 8531 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
8532 | return 0; |
8533 | } | |
8534 | ||
7f6cf311 JB |
8535 | static int nl80211_probe_client(struct sk_buff *skb, |
8536 | struct genl_info *info) | |
8537 | { | |
8538 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8539 | struct net_device *dev = info->user_ptr[1]; | |
8540 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8541 | struct sk_buff *msg; | |
8542 | void *hdr; | |
8543 | const u8 *addr; | |
8544 | u64 cookie; | |
8545 | int err; | |
8546 | ||
8547 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8548 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8549 | return -EOPNOTSUPP; | |
8550 | ||
8551 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8552 | return -EINVAL; | |
8553 | ||
8554 | if (!rdev->ops->probe_client) | |
8555 | return -EOPNOTSUPP; | |
8556 | ||
8557 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8558 | if (!msg) | |
8559 | return -ENOMEM; | |
8560 | ||
15e47304 | 8561 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 8562 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
8563 | if (!hdr) { |
8564 | err = -ENOBUFS; | |
7f6cf311 JB |
8565 | goto free_msg; |
8566 | } | |
8567 | ||
8568 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8569 | ||
e35e4d28 | 8570 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
8571 | if (err) |
8572 | goto free_msg; | |
8573 | ||
9360ffd1 DM |
8574 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8575 | goto nla_put_failure; | |
7f6cf311 JB |
8576 | |
8577 | genlmsg_end(msg, hdr); | |
8578 | ||
8579 | return genlmsg_reply(msg, info); | |
8580 | ||
8581 | nla_put_failure: | |
8582 | err = -ENOBUFS; | |
8583 | free_msg: | |
8584 | nlmsg_free(msg); | |
8585 | return err; | |
8586 | } | |
8587 | ||
5e760230 JB |
8588 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
8589 | { | |
8590 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
8591 | struct cfg80211_beacon_registration *reg, *nreg; |
8592 | int rv; | |
5e760230 JB |
8593 | |
8594 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
8595 | return -EOPNOTSUPP; | |
8596 | ||
37c73b5f BG |
8597 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
8598 | if (!nreg) | |
8599 | return -ENOMEM; | |
8600 | ||
8601 | /* First, check if already registered. */ | |
8602 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
8603 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
8604 | if (reg->nlportid == info->snd_portid) { | |
8605 | rv = -EALREADY; | |
8606 | goto out_err; | |
8607 | } | |
8608 | } | |
8609 | /* Add it to the list */ | |
8610 | nreg->nlportid = info->snd_portid; | |
8611 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 8612 | |
37c73b5f | 8613 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
8614 | |
8615 | return 0; | |
37c73b5f BG |
8616 | out_err: |
8617 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
8618 | kfree(nreg); | |
8619 | return rv; | |
5e760230 JB |
8620 | } |
8621 | ||
98104fde JB |
8622 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
8623 | { | |
8624 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8625 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8626 | int err; | |
8627 | ||
8628 | if (!rdev->ops->start_p2p_device) | |
8629 | return -EOPNOTSUPP; | |
8630 | ||
8631 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8632 | return -EOPNOTSUPP; | |
8633 | ||
8634 | if (wdev->p2p_started) | |
8635 | return 0; | |
8636 | ||
98104fde | 8637 | err = cfg80211_can_add_interface(rdev, wdev->iftype); |
98104fde JB |
8638 | if (err) |
8639 | return err; | |
8640 | ||
eeb126e9 | 8641 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
8642 | if (err) |
8643 | return err; | |
8644 | ||
8645 | wdev->p2p_started = true; | |
98104fde | 8646 | rdev->opencount++; |
98104fde JB |
8647 | |
8648 | return 0; | |
8649 | } | |
8650 | ||
8651 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
8652 | { | |
8653 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8654 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8655 | ||
8656 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8657 | return -EOPNOTSUPP; | |
8658 | ||
8659 | if (!rdev->ops->stop_p2p_device) | |
8660 | return -EOPNOTSUPP; | |
8661 | ||
f9f47529 | 8662 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
8663 | |
8664 | return 0; | |
8665 | } | |
8666 | ||
3713b4e3 JB |
8667 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
8668 | struct genl_info *info) | |
8669 | { | |
8670 | void *hdr; | |
8671 | struct sk_buff *msg; | |
8672 | ||
8673 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8674 | if (!msg) | |
8675 | return -ENOMEM; | |
8676 | ||
8677 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8678 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
8679 | if (!hdr) | |
8680 | goto nla_put_failure; | |
8681 | ||
8682 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
8683 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
8684 | goto nla_put_failure; | |
8685 | ||
8686 | genlmsg_end(msg, hdr); | |
8687 | return genlmsg_reply(msg, info); | |
8688 | ||
8689 | nla_put_failure: | |
8690 | kfree_skb(msg); | |
8691 | return -ENOBUFS; | |
8692 | } | |
8693 | ||
355199e0 JM |
8694 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
8695 | { | |
8696 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8697 | struct cfg80211_update_ft_ies_params ft_params; | |
8698 | struct net_device *dev = info->user_ptr[1]; | |
8699 | ||
8700 | if (!rdev->ops->update_ft_ies) | |
8701 | return -EOPNOTSUPP; | |
8702 | ||
8703 | if (!info->attrs[NL80211_ATTR_MDID] || | |
8704 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8705 | return -EINVAL; | |
8706 | ||
8707 | memset(&ft_params, 0, sizeof(ft_params)); | |
8708 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
8709 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8710 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8711 | ||
8712 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
8713 | } | |
8714 | ||
5de17984 AS |
8715 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
8716 | struct genl_info *info) | |
8717 | { | |
8718 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8719 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8720 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
8721 | u16 duration; | |
8722 | int ret; | |
8723 | ||
8724 | if (!rdev->ops->crit_proto_start) | |
8725 | return -EOPNOTSUPP; | |
8726 | ||
8727 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
8728 | return -EINVAL; | |
8729 | ||
8730 | if (rdev->crit_proto_nlportid) | |
8731 | return -EBUSY; | |
8732 | ||
8733 | /* determine protocol if provided */ | |
8734 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
8735 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
8736 | ||
8737 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
8738 | return -EINVAL; | |
8739 | ||
8740 | /* timeout must be provided */ | |
8741 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
8742 | return -EINVAL; | |
8743 | ||
8744 | duration = | |
8745 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
8746 | ||
8747 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
8748 | return -ERANGE; | |
8749 | ||
8750 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
8751 | if (!ret) | |
8752 | rdev->crit_proto_nlportid = info->snd_portid; | |
8753 | ||
8754 | return ret; | |
8755 | } | |
8756 | ||
8757 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
8758 | struct genl_info *info) | |
8759 | { | |
8760 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8761 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8762 | ||
8763 | if (!rdev->ops->crit_proto_stop) | |
8764 | return -EOPNOTSUPP; | |
8765 | ||
8766 | if (rdev->crit_proto_nlportid) { | |
8767 | rdev->crit_proto_nlportid = 0; | |
8768 | rdev_crit_proto_stop(rdev, wdev); | |
8769 | } | |
8770 | return 0; | |
8771 | } | |
8772 | ||
4c476991 JB |
8773 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
8774 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
8775 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
8776 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
8777 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
8778 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 8779 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 8780 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
8781 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
8782 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 JB |
8783 | |
8784 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, | |
8785 | struct genl_info *info) | |
8786 | { | |
8787 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 8788 | struct wireless_dev *wdev; |
4c476991 | 8789 | struct net_device *dev; |
4c476991 JB |
8790 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
8791 | ||
8792 | if (rtnl) | |
8793 | rtnl_lock(); | |
8794 | ||
8795 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 8796 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
8797 | if (IS_ERR(rdev)) { |
8798 | if (rtnl) | |
8799 | rtnl_unlock(); | |
8800 | return PTR_ERR(rdev); | |
8801 | } | |
8802 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
8803 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
8804 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
8805 | ASSERT_RTNL(); |
8806 | ||
89a54e48 JB |
8807 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
8808 | info->attrs); | |
8809 | if (IS_ERR(wdev)) { | |
4c476991 JB |
8810 | if (rtnl) |
8811 | rtnl_unlock(); | |
89a54e48 | 8812 | return PTR_ERR(wdev); |
4c476991 | 8813 | } |
89a54e48 | 8814 | |
89a54e48 JB |
8815 | dev = wdev->netdev; |
8816 | rdev = wiphy_to_dev(wdev->wiphy); | |
8817 | ||
1bf614ef JB |
8818 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
8819 | if (!dev) { | |
1bf614ef JB |
8820 | if (rtnl) |
8821 | rtnl_unlock(); | |
8822 | return -EINVAL; | |
8823 | } | |
8824 | ||
8825 | info->user_ptr[1] = dev; | |
8826 | } else { | |
8827 | info->user_ptr[1] = wdev; | |
41265714 | 8828 | } |
1bf614ef JB |
8829 | |
8830 | if (dev) { | |
8831 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
8832 | !netif_running(dev)) { | |
1bf614ef JB |
8833 | if (rtnl) |
8834 | rtnl_unlock(); | |
8835 | return -ENETDOWN; | |
8836 | } | |
8837 | ||
8838 | dev_hold(dev); | |
98104fde JB |
8839 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
8840 | if (!wdev->p2p_started) { | |
98104fde JB |
8841 | if (rtnl) |
8842 | rtnl_unlock(); | |
8843 | return -ENETDOWN; | |
8844 | } | |
41265714 | 8845 | } |
89a54e48 | 8846 | |
4c476991 | 8847 | info->user_ptr[0] = rdev; |
4c476991 JB |
8848 | } |
8849 | ||
8850 | return 0; | |
8851 | } | |
8852 | ||
8853 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, | |
8854 | struct genl_info *info) | |
8855 | { | |
1bf614ef JB |
8856 | if (info->user_ptr[1]) { |
8857 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
8858 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8859 | ||
8860 | if (wdev->netdev) | |
8861 | dev_put(wdev->netdev); | |
8862 | } else { | |
8863 | dev_put(info->user_ptr[1]); | |
8864 | } | |
8865 | } | |
4c476991 JB |
8866 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
8867 | rtnl_unlock(); | |
8868 | } | |
8869 | ||
55682965 JB |
8870 | static struct genl_ops nl80211_ops[] = { |
8871 | { | |
8872 | .cmd = NL80211_CMD_GET_WIPHY, | |
8873 | .doit = nl80211_get_wiphy, | |
8874 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 8875 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
8876 | .policy = nl80211_policy, |
8877 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
8878 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
8879 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8880 | }, |
8881 | { | |
8882 | .cmd = NL80211_CMD_SET_WIPHY, | |
8883 | .doit = nl80211_set_wiphy, | |
8884 | .policy = nl80211_policy, | |
8885 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 8886 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
8887 | }, |
8888 | { | |
8889 | .cmd = NL80211_CMD_GET_INTERFACE, | |
8890 | .doit = nl80211_get_interface, | |
8891 | .dumpit = nl80211_dump_interface, | |
8892 | .policy = nl80211_policy, | |
8893 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
8894 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
8895 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8896 | }, |
8897 | { | |
8898 | .cmd = NL80211_CMD_SET_INTERFACE, | |
8899 | .doit = nl80211_set_interface, | |
8900 | .policy = nl80211_policy, | |
8901 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8902 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8903 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8904 | }, |
8905 | { | |
8906 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
8907 | .doit = nl80211_new_interface, | |
8908 | .policy = nl80211_policy, | |
8909 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
8910 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
8911 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
8912 | }, |
8913 | { | |
8914 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
8915 | .doit = nl80211_del_interface, | |
8916 | .policy = nl80211_policy, | |
41ade00f | 8917 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 8918 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 8919 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
8920 | }, |
8921 | { | |
8922 | .cmd = NL80211_CMD_GET_KEY, | |
8923 | .doit = nl80211_get_key, | |
8924 | .policy = nl80211_policy, | |
8925 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 8926 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8927 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
8928 | }, |
8929 | { | |
8930 | .cmd = NL80211_CMD_SET_KEY, | |
8931 | .doit = nl80211_set_key, | |
8932 | .policy = nl80211_policy, | |
8933 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8934 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8935 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
8936 | }, |
8937 | { | |
8938 | .cmd = NL80211_CMD_NEW_KEY, | |
8939 | .doit = nl80211_new_key, | |
8940 | .policy = nl80211_policy, | |
8941 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8942 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8943 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
8944 | }, |
8945 | { | |
8946 | .cmd = NL80211_CMD_DEL_KEY, | |
8947 | .doit = nl80211_del_key, | |
8948 | .policy = nl80211_policy, | |
55682965 | 8949 | .flags = GENL_ADMIN_PERM, |
41265714 | 8950 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8951 | NL80211_FLAG_NEED_RTNL, |
55682965 | 8952 | }, |
ed1b6cc7 JB |
8953 | { |
8954 | .cmd = NL80211_CMD_SET_BEACON, | |
8955 | .policy = nl80211_policy, | |
8956 | .flags = GENL_ADMIN_PERM, | |
8860020e | 8957 | .doit = nl80211_set_beacon, |
2b5f8b0b | 8958 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8959 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
8960 | }, |
8961 | { | |
8860020e | 8962 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
8963 | .policy = nl80211_policy, |
8964 | .flags = GENL_ADMIN_PERM, | |
8860020e | 8965 | .doit = nl80211_start_ap, |
2b5f8b0b | 8966 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8967 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
8968 | }, |
8969 | { | |
8860020e | 8970 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
8971 | .policy = nl80211_policy, |
8972 | .flags = GENL_ADMIN_PERM, | |
8860020e | 8973 | .doit = nl80211_stop_ap, |
2b5f8b0b | 8974 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8975 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 8976 | }, |
5727ef1b JB |
8977 | { |
8978 | .cmd = NL80211_CMD_GET_STATION, | |
8979 | .doit = nl80211_get_station, | |
2ec600d6 | 8980 | .dumpit = nl80211_dump_station, |
5727ef1b | 8981 | .policy = nl80211_policy, |
4c476991 JB |
8982 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
8983 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
8984 | }, |
8985 | { | |
8986 | .cmd = NL80211_CMD_SET_STATION, | |
8987 | .doit = nl80211_set_station, | |
8988 | .policy = nl80211_policy, | |
8989 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 8990 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8991 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
8992 | }, |
8993 | { | |
8994 | .cmd = NL80211_CMD_NEW_STATION, | |
8995 | .doit = nl80211_new_station, | |
8996 | .policy = nl80211_policy, | |
8997 | .flags = GENL_ADMIN_PERM, | |
41265714 | 8998 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 8999 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9000 | }, |
9001 | { | |
9002 | .cmd = NL80211_CMD_DEL_STATION, | |
9003 | .doit = nl80211_del_station, | |
9004 | .policy = nl80211_policy, | |
2ec600d6 | 9005 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9006 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9007 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9008 | }, |
9009 | { | |
9010 | .cmd = NL80211_CMD_GET_MPATH, | |
9011 | .doit = nl80211_get_mpath, | |
9012 | .dumpit = nl80211_dump_mpath, | |
9013 | .policy = nl80211_policy, | |
9014 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9015 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9016 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9017 | }, |
9018 | { | |
9019 | .cmd = NL80211_CMD_SET_MPATH, | |
9020 | .doit = nl80211_set_mpath, | |
9021 | .policy = nl80211_policy, | |
9022 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9023 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9024 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9025 | }, |
9026 | { | |
9027 | .cmd = NL80211_CMD_NEW_MPATH, | |
9028 | .doit = nl80211_new_mpath, | |
9029 | .policy = nl80211_policy, | |
9030 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9031 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9032 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9033 | }, |
9034 | { | |
9035 | .cmd = NL80211_CMD_DEL_MPATH, | |
9036 | .doit = nl80211_del_mpath, | |
9037 | .policy = nl80211_policy, | |
9f1ba906 | 9038 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9039 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9040 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
9041 | }, |
9042 | { | |
9043 | .cmd = NL80211_CMD_SET_BSS, | |
9044 | .doit = nl80211_set_bss, | |
9045 | .policy = nl80211_policy, | |
b2e1b302 | 9046 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9047 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9048 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 9049 | }, |
f130347c LR |
9050 | { |
9051 | .cmd = NL80211_CMD_GET_REG, | |
9052 | .doit = nl80211_get_reg, | |
9053 | .policy = nl80211_policy, | |
5fe231e8 | 9054 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
9055 | /* can be retrieved by unprivileged users */ |
9056 | }, | |
b2e1b302 LR |
9057 | { |
9058 | .cmd = NL80211_CMD_SET_REG, | |
9059 | .doit = nl80211_set_reg, | |
9060 | .policy = nl80211_policy, | |
9061 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 9062 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
9063 | }, |
9064 | { | |
9065 | .cmd = NL80211_CMD_REQ_SET_REG, | |
9066 | .doit = nl80211_req_set_reg, | |
9067 | .policy = nl80211_policy, | |
93da9cc1 | 9068 | .flags = GENL_ADMIN_PERM, |
9069 | }, | |
9070 | { | |
24bdd9f4 JC |
9071 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
9072 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 9073 | .policy = nl80211_policy, |
9074 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 9075 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9076 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 9077 | }, |
9078 | { | |
24bdd9f4 JC |
9079 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
9080 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 9081 | .policy = nl80211_policy, |
9aed3cc1 | 9082 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 9083 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9084 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 9085 | }, |
2a519311 JB |
9086 | { |
9087 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
9088 | .doit = nl80211_trigger_scan, | |
9089 | .policy = nl80211_policy, | |
9090 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 9091 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9092 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
9093 | }, |
9094 | { | |
9095 | .cmd = NL80211_CMD_GET_SCAN, | |
9096 | .policy = nl80211_policy, | |
9097 | .dumpit = nl80211_dump_scan, | |
9098 | }, | |
807f8a8c LC |
9099 | { |
9100 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
9101 | .doit = nl80211_start_sched_scan, | |
9102 | .policy = nl80211_policy, | |
9103 | .flags = GENL_ADMIN_PERM, | |
9104 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9105 | NL80211_FLAG_NEED_RTNL, | |
9106 | }, | |
9107 | { | |
9108 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
9109 | .doit = nl80211_stop_sched_scan, | |
9110 | .policy = nl80211_policy, | |
9111 | .flags = GENL_ADMIN_PERM, | |
9112 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9113 | NL80211_FLAG_NEED_RTNL, | |
9114 | }, | |
636a5d36 JM |
9115 | { |
9116 | .cmd = NL80211_CMD_AUTHENTICATE, | |
9117 | .doit = nl80211_authenticate, | |
9118 | .policy = nl80211_policy, | |
9119 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9120 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9121 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9122 | }, |
9123 | { | |
9124 | .cmd = NL80211_CMD_ASSOCIATE, | |
9125 | .doit = nl80211_associate, | |
9126 | .policy = nl80211_policy, | |
9127 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9128 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9129 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9130 | }, |
9131 | { | |
9132 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
9133 | .doit = nl80211_deauthenticate, | |
9134 | .policy = nl80211_policy, | |
9135 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9136 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9137 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9138 | }, |
9139 | { | |
9140 | .cmd = NL80211_CMD_DISASSOCIATE, | |
9141 | .doit = nl80211_disassociate, | |
9142 | .policy = nl80211_policy, | |
9143 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9144 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9145 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 9146 | }, |
04a773ad JB |
9147 | { |
9148 | .cmd = NL80211_CMD_JOIN_IBSS, | |
9149 | .doit = nl80211_join_ibss, | |
9150 | .policy = nl80211_policy, | |
9151 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9152 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9153 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
9154 | }, |
9155 | { | |
9156 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
9157 | .doit = nl80211_leave_ibss, | |
9158 | .policy = nl80211_policy, | |
9159 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9160 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9161 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 9162 | }, |
aff89a9b JB |
9163 | #ifdef CONFIG_NL80211_TESTMODE |
9164 | { | |
9165 | .cmd = NL80211_CMD_TESTMODE, | |
9166 | .doit = nl80211_testmode_do, | |
71063f0e | 9167 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
9168 | .policy = nl80211_policy, |
9169 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9170 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9171 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
9172 | }, |
9173 | #endif | |
b23aa676 SO |
9174 | { |
9175 | .cmd = NL80211_CMD_CONNECT, | |
9176 | .doit = nl80211_connect, | |
9177 | .policy = nl80211_policy, | |
9178 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9179 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9180 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
9181 | }, |
9182 | { | |
9183 | .cmd = NL80211_CMD_DISCONNECT, | |
9184 | .doit = nl80211_disconnect, | |
9185 | .policy = nl80211_policy, | |
9186 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9187 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9188 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 9189 | }, |
463d0183 JB |
9190 | { |
9191 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
9192 | .doit = nl80211_wiphy_netns, | |
9193 | .policy = nl80211_policy, | |
9194 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9195 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9196 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 9197 | }, |
61fa713c HS |
9198 | { |
9199 | .cmd = NL80211_CMD_GET_SURVEY, | |
9200 | .policy = nl80211_policy, | |
9201 | .dumpit = nl80211_dump_survey, | |
9202 | }, | |
67fbb16b SO |
9203 | { |
9204 | .cmd = NL80211_CMD_SET_PMKSA, | |
9205 | .doit = nl80211_setdel_pmksa, | |
9206 | .policy = nl80211_policy, | |
9207 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9208 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9209 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9210 | }, |
9211 | { | |
9212 | .cmd = NL80211_CMD_DEL_PMKSA, | |
9213 | .doit = nl80211_setdel_pmksa, | |
9214 | .policy = nl80211_policy, | |
9215 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9216 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9217 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9218 | }, |
9219 | { | |
9220 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
9221 | .doit = nl80211_flush_pmksa, | |
9222 | .policy = nl80211_policy, | |
9223 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9224 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9225 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 9226 | }, |
9588bbd5 JM |
9227 | { |
9228 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
9229 | .doit = nl80211_remain_on_channel, | |
9230 | .policy = nl80211_policy, | |
9231 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9232 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9233 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
9234 | }, |
9235 | { | |
9236 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
9237 | .doit = nl80211_cancel_remain_on_channel, | |
9238 | .policy = nl80211_policy, | |
9239 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9240 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9241 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 9242 | }, |
13ae75b1 JM |
9243 | { |
9244 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
9245 | .doit = nl80211_set_tx_bitrate_mask, | |
9246 | .policy = nl80211_policy, | |
9247 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9248 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9249 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 9250 | }, |
026331c4 | 9251 | { |
2e161f78 JB |
9252 | .cmd = NL80211_CMD_REGISTER_FRAME, |
9253 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
9254 | .policy = nl80211_policy, |
9255 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9256 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9257 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
9258 | }, |
9259 | { | |
2e161f78 JB |
9260 | .cmd = NL80211_CMD_FRAME, |
9261 | .doit = nl80211_tx_mgmt, | |
026331c4 | 9262 | .policy = nl80211_policy, |
f7ca38df | 9263 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9264 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
9265 | NL80211_FLAG_NEED_RTNL, |
9266 | }, | |
9267 | { | |
9268 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
9269 | .doit = nl80211_tx_mgmt_cancel_wait, | |
9270 | .policy = nl80211_policy, | |
026331c4 | 9271 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9272 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9273 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 9274 | }, |
ffb9eb3d KV |
9275 | { |
9276 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
9277 | .doit = nl80211_set_power_save, | |
9278 | .policy = nl80211_policy, | |
9279 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9280 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9281 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
9282 | }, |
9283 | { | |
9284 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
9285 | .doit = nl80211_get_power_save, | |
9286 | .policy = nl80211_policy, | |
9287 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
9288 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9289 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 9290 | }, |
d6dc1a38 JO |
9291 | { |
9292 | .cmd = NL80211_CMD_SET_CQM, | |
9293 | .doit = nl80211_set_cqm, | |
9294 | .policy = nl80211_policy, | |
9295 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9296 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9297 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 9298 | }, |
f444de05 JB |
9299 | { |
9300 | .cmd = NL80211_CMD_SET_CHANNEL, | |
9301 | .doit = nl80211_set_channel, | |
9302 | .policy = nl80211_policy, | |
9303 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9304 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9305 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 9306 | }, |
e8347eba BJ |
9307 | { |
9308 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
9309 | .doit = nl80211_set_wds_peer, | |
9310 | .policy = nl80211_policy, | |
9311 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
9312 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9313 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 9314 | }, |
29cbe68c JB |
9315 | { |
9316 | .cmd = NL80211_CMD_JOIN_MESH, | |
9317 | .doit = nl80211_join_mesh, | |
9318 | .policy = nl80211_policy, | |
9319 | .flags = GENL_ADMIN_PERM, | |
9320 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9321 | NL80211_FLAG_NEED_RTNL, | |
9322 | }, | |
9323 | { | |
9324 | .cmd = NL80211_CMD_LEAVE_MESH, | |
9325 | .doit = nl80211_leave_mesh, | |
9326 | .policy = nl80211_policy, | |
9327 | .flags = GENL_ADMIN_PERM, | |
9328 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9329 | NL80211_FLAG_NEED_RTNL, | |
9330 | }, | |
dfb89c56 | 9331 | #ifdef CONFIG_PM |
ff1b6e69 JB |
9332 | { |
9333 | .cmd = NL80211_CMD_GET_WOWLAN, | |
9334 | .doit = nl80211_get_wowlan, | |
9335 | .policy = nl80211_policy, | |
9336 | /* can be retrieved by unprivileged users */ | |
9337 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9338 | NL80211_FLAG_NEED_RTNL, | |
9339 | }, | |
9340 | { | |
9341 | .cmd = NL80211_CMD_SET_WOWLAN, | |
9342 | .doit = nl80211_set_wowlan, | |
9343 | .policy = nl80211_policy, | |
9344 | .flags = GENL_ADMIN_PERM, | |
9345 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9346 | NL80211_FLAG_NEED_RTNL, | |
9347 | }, | |
dfb89c56 | 9348 | #endif |
e5497d76 JB |
9349 | { |
9350 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
9351 | .doit = nl80211_set_rekey_data, | |
9352 | .policy = nl80211_policy, | |
9353 | .flags = GENL_ADMIN_PERM, | |
9354 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9355 | NL80211_FLAG_NEED_RTNL, | |
9356 | }, | |
109086ce AN |
9357 | { |
9358 | .cmd = NL80211_CMD_TDLS_MGMT, | |
9359 | .doit = nl80211_tdls_mgmt, | |
9360 | .policy = nl80211_policy, | |
9361 | .flags = GENL_ADMIN_PERM, | |
9362 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9363 | NL80211_FLAG_NEED_RTNL, | |
9364 | }, | |
9365 | { | |
9366 | .cmd = NL80211_CMD_TDLS_OPER, | |
9367 | .doit = nl80211_tdls_oper, | |
9368 | .policy = nl80211_policy, | |
9369 | .flags = GENL_ADMIN_PERM, | |
9370 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9371 | NL80211_FLAG_NEED_RTNL, | |
9372 | }, | |
28946da7 JB |
9373 | { |
9374 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
9375 | .doit = nl80211_register_unexpected_frame, | |
9376 | .policy = nl80211_policy, | |
9377 | .flags = GENL_ADMIN_PERM, | |
9378 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9379 | NL80211_FLAG_NEED_RTNL, | |
9380 | }, | |
7f6cf311 JB |
9381 | { |
9382 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
9383 | .doit = nl80211_probe_client, | |
9384 | .policy = nl80211_policy, | |
9385 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9386 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
9387 | NL80211_FLAG_NEED_RTNL, |
9388 | }, | |
5e760230 JB |
9389 | { |
9390 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
9391 | .doit = nl80211_register_beacons, | |
9392 | .policy = nl80211_policy, | |
9393 | .flags = GENL_ADMIN_PERM, | |
9394 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9395 | NL80211_FLAG_NEED_RTNL, | |
9396 | }, | |
1d9d9213 SW |
9397 | { |
9398 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
9399 | .doit = nl80211_set_noack_map, | |
9400 | .policy = nl80211_policy, | |
9401 | .flags = GENL_ADMIN_PERM, | |
9402 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9403 | NL80211_FLAG_NEED_RTNL, | |
9404 | }, | |
98104fde JB |
9405 | { |
9406 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
9407 | .doit = nl80211_start_p2p_device, | |
9408 | .policy = nl80211_policy, | |
9409 | .flags = GENL_ADMIN_PERM, | |
9410 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
9411 | NL80211_FLAG_NEED_RTNL, | |
9412 | }, | |
9413 | { | |
9414 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
9415 | .doit = nl80211_stop_p2p_device, | |
9416 | .policy = nl80211_policy, | |
9417 | .flags = GENL_ADMIN_PERM, | |
9418 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9419 | NL80211_FLAG_NEED_RTNL, | |
9420 | }, | |
f4e583c8 AQ |
9421 | { |
9422 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
9423 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
9424 | .policy = nl80211_policy, |
9425 | .flags = GENL_ADMIN_PERM, | |
9426 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9427 | NL80211_FLAG_NEED_RTNL, | |
9428 | }, | |
9429 | { | |
9430 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
9431 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
9432 | .policy = nl80211_policy, |
9433 | .flags = GENL_ADMIN_PERM, | |
9434 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9435 | NL80211_FLAG_NEED_RTNL, | |
9436 | }, | |
04f39047 SW |
9437 | { |
9438 | .cmd = NL80211_CMD_RADAR_DETECT, | |
9439 | .doit = nl80211_start_radar_detection, | |
9440 | .policy = nl80211_policy, | |
9441 | .flags = GENL_ADMIN_PERM, | |
9442 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9443 | NL80211_FLAG_NEED_RTNL, | |
9444 | }, | |
3713b4e3 JB |
9445 | { |
9446 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
9447 | .doit = nl80211_get_protocol_features, | |
9448 | .policy = nl80211_policy, | |
9449 | }, | |
355199e0 JM |
9450 | { |
9451 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
9452 | .doit = nl80211_update_ft_ies, | |
9453 | .policy = nl80211_policy, | |
9454 | .flags = GENL_ADMIN_PERM, | |
9455 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9456 | NL80211_FLAG_NEED_RTNL, | |
9457 | }, | |
5de17984 AS |
9458 | { |
9459 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
9460 | .doit = nl80211_crit_protocol_start, | |
9461 | .policy = nl80211_policy, | |
9462 | .flags = GENL_ADMIN_PERM, | |
9463 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9464 | NL80211_FLAG_NEED_RTNL, | |
9465 | }, | |
9466 | { | |
9467 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
9468 | .doit = nl80211_crit_protocol_stop, | |
9469 | .policy = nl80211_policy, | |
9470 | .flags = GENL_ADMIN_PERM, | |
9471 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9472 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
9473 | }, |
9474 | { | |
9475 | .cmd = NL80211_CMD_GET_COALESCE, | |
9476 | .doit = nl80211_get_coalesce, | |
9477 | .policy = nl80211_policy, | |
9478 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9479 | NL80211_FLAG_NEED_RTNL, | |
9480 | }, | |
9481 | { | |
9482 | .cmd = NL80211_CMD_SET_COALESCE, | |
9483 | .doit = nl80211_set_coalesce, | |
9484 | .policy = nl80211_policy, | |
9485 | .flags = GENL_ADMIN_PERM, | |
9486 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9487 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
9488 | }, |
9489 | { | |
9490 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
9491 | .doit = nl80211_channel_switch, | |
9492 | .policy = nl80211_policy, | |
9493 | .flags = GENL_ADMIN_PERM, | |
9494 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9495 | NL80211_FLAG_NEED_RTNL, | |
9496 | }, | |
55682965 | 9497 | }; |
9588bbd5 | 9498 | |
6039f6d2 JM |
9499 | static struct genl_multicast_group nl80211_mlme_mcgrp = { |
9500 | .name = "mlme", | |
9501 | }; | |
55682965 JB |
9502 | |
9503 | /* multicast groups */ | |
9504 | static struct genl_multicast_group nl80211_config_mcgrp = { | |
9505 | .name = "config", | |
9506 | }; | |
2a519311 JB |
9507 | static struct genl_multicast_group nl80211_scan_mcgrp = { |
9508 | .name = "scan", | |
9509 | }; | |
73d54c9e LR |
9510 | static struct genl_multicast_group nl80211_regulatory_mcgrp = { |
9511 | .name = "regulatory", | |
9512 | }; | |
55682965 JB |
9513 | |
9514 | /* notification functions */ | |
9515 | ||
9516 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
9517 | { | |
9518 | struct sk_buff *msg; | |
86e8cf98 | 9519 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 9520 | |
fd2120ca | 9521 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
9522 | if (!msg) |
9523 | return; | |
9524 | ||
86e8cf98 | 9525 | if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
9526 | nlmsg_free(msg); |
9527 | return; | |
9528 | } | |
9529 | ||
463d0183 JB |
9530 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9531 | nl80211_config_mcgrp.id, GFP_KERNEL); | |
55682965 JB |
9532 | } |
9533 | ||
362a415d JB |
9534 | static int nl80211_add_scan_req(struct sk_buff *msg, |
9535 | struct cfg80211_registered_device *rdev) | |
9536 | { | |
9537 | struct cfg80211_scan_request *req = rdev->scan_req; | |
9538 | struct nlattr *nest; | |
9539 | int i; | |
9540 | ||
9541 | if (WARN_ON(!req)) | |
9542 | return 0; | |
9543 | ||
9544 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
9545 | if (!nest) | |
9546 | goto nla_put_failure; | |
9360ffd1 DM |
9547 | for (i = 0; i < req->n_ssids; i++) { |
9548 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
9549 | goto nla_put_failure; | |
9550 | } | |
362a415d JB |
9551 | nla_nest_end(msg, nest); |
9552 | ||
9553 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
9554 | if (!nest) | |
9555 | goto nla_put_failure; | |
9360ffd1 DM |
9556 | for (i = 0; i < req->n_channels; i++) { |
9557 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9558 | goto nla_put_failure; | |
9559 | } | |
362a415d JB |
9560 | nla_nest_end(msg, nest); |
9561 | ||
9360ffd1 DM |
9562 | if (req->ie && |
9563 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
9564 | goto nla_put_failure; | |
362a415d | 9565 | |
ed473771 SL |
9566 | if (req->flags) |
9567 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags); | |
9568 | ||
362a415d JB |
9569 | return 0; |
9570 | nla_put_failure: | |
9571 | return -ENOBUFS; | |
9572 | } | |
9573 | ||
a538e2d5 JB |
9574 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
9575 | struct cfg80211_registered_device *rdev, | |
fd014284 | 9576 | struct wireless_dev *wdev, |
15e47304 | 9577 | u32 portid, u32 seq, int flags, |
a538e2d5 | 9578 | u32 cmd) |
2a519311 JB |
9579 | { |
9580 | void *hdr; | |
9581 | ||
15e47304 | 9582 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
9583 | if (!hdr) |
9584 | return -1; | |
9585 | ||
9360ffd1 | 9586 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
9587 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
9588 | wdev->netdev->ifindex)) || | |
9589 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 9590 | goto nla_put_failure; |
2a519311 | 9591 | |
362a415d JB |
9592 | /* ignore errors and send incomplete event anyway */ |
9593 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
9594 | |
9595 | return genlmsg_end(msg, hdr); | |
9596 | ||
9597 | nla_put_failure: | |
9598 | genlmsg_cancel(msg, hdr); | |
9599 | return -EMSGSIZE; | |
9600 | } | |
9601 | ||
807f8a8c LC |
9602 | static int |
9603 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
9604 | struct cfg80211_registered_device *rdev, | |
9605 | struct net_device *netdev, | |
15e47304 | 9606 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
9607 | { |
9608 | void *hdr; | |
9609 | ||
15e47304 | 9610 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
9611 | if (!hdr) |
9612 | return -1; | |
9613 | ||
9360ffd1 DM |
9614 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9615 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
9616 | goto nla_put_failure; | |
807f8a8c LC |
9617 | |
9618 | return genlmsg_end(msg, hdr); | |
9619 | ||
9620 | nla_put_failure: | |
9621 | genlmsg_cancel(msg, hdr); | |
9622 | return -EMSGSIZE; | |
9623 | } | |
9624 | ||
a538e2d5 | 9625 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 9626 | struct wireless_dev *wdev) |
a538e2d5 JB |
9627 | { |
9628 | struct sk_buff *msg; | |
9629 | ||
58050fce | 9630 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
9631 | if (!msg) |
9632 | return; | |
9633 | ||
fd014284 | 9634 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
9635 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
9636 | nlmsg_free(msg); | |
9637 | return; | |
9638 | } | |
9639 | ||
463d0183 JB |
9640 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9641 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
a538e2d5 JB |
9642 | } |
9643 | ||
2a519311 | 9644 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
fd014284 | 9645 | struct wireless_dev *wdev) |
2a519311 JB |
9646 | { |
9647 | struct sk_buff *msg; | |
9648 | ||
fd2120ca | 9649 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
9650 | if (!msg) |
9651 | return; | |
9652 | ||
fd014284 | 9653 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 9654 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { |
2a519311 JB |
9655 | nlmsg_free(msg); |
9656 | return; | |
9657 | } | |
9658 | ||
463d0183 JB |
9659 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9660 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
9661 | } |
9662 | ||
9663 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
fd014284 | 9664 | struct wireless_dev *wdev) |
2a519311 JB |
9665 | { |
9666 | struct sk_buff *msg; | |
9667 | ||
fd2120ca | 9668 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
9669 | if (!msg) |
9670 | return; | |
9671 | ||
fd014284 | 9672 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 9673 | NL80211_CMD_SCAN_ABORTED) < 0) { |
2a519311 JB |
9674 | nlmsg_free(msg); |
9675 | return; | |
9676 | } | |
9677 | ||
463d0183 JB |
9678 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9679 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
2a519311 JB |
9680 | } |
9681 | ||
807f8a8c LC |
9682 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
9683 | struct net_device *netdev) | |
9684 | { | |
9685 | struct sk_buff *msg; | |
9686 | ||
9687 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9688 | if (!msg) | |
9689 | return; | |
9690 | ||
9691 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
9692 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
9693 | nlmsg_free(msg); | |
9694 | return; | |
9695 | } | |
9696 | ||
9697 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9698 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
9699 | } | |
9700 | ||
9701 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
9702 | struct net_device *netdev, u32 cmd) | |
9703 | { | |
9704 | struct sk_buff *msg; | |
9705 | ||
58050fce | 9706 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
9707 | if (!msg) |
9708 | return; | |
9709 | ||
9710 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
9711 | nlmsg_free(msg); | |
9712 | return; | |
9713 | } | |
9714 | ||
9715 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
9716 | nl80211_scan_mcgrp.id, GFP_KERNEL); | |
9717 | } | |
9718 | ||
73d54c9e LR |
9719 | /* |
9720 | * This can happen on global regulatory changes or device specific settings | |
9721 | * based on custom world regulatory domains. | |
9722 | */ | |
9723 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
9724 | { | |
9725 | struct sk_buff *msg; | |
9726 | void *hdr; | |
9727 | ||
fd2120ca | 9728 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
9729 | if (!msg) |
9730 | return; | |
9731 | ||
9732 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
9733 | if (!hdr) { | |
9734 | nlmsg_free(msg); | |
9735 | return; | |
9736 | } | |
9737 | ||
9738 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
9739 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
9740 | goto nla_put_failure; | |
9741 | ||
9742 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
9743 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9744 | NL80211_REGDOM_TYPE_WORLD)) | |
9745 | goto nla_put_failure; | |
9746 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
9747 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9748 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
9749 | goto nla_put_failure; | |
9750 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
9751 | request->intersect) { | |
9752 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9753 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
9754 | goto nla_put_failure; | |
9755 | } else { | |
9756 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
9757 | NL80211_REGDOM_TYPE_COUNTRY) || | |
9758 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
9759 | request->alpha2)) | |
9760 | goto nla_put_failure; | |
9761 | } | |
9762 | ||
f4173766 | 9763 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
9764 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
9765 | goto nla_put_failure; | |
73d54c9e | 9766 | |
3b7b72ee | 9767 | genlmsg_end(msg, hdr); |
73d54c9e | 9768 | |
bc43b28c | 9769 | rcu_read_lock(); |
463d0183 | 9770 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, |
bc43b28c JB |
9771 | GFP_ATOMIC); |
9772 | rcu_read_unlock(); | |
73d54c9e LR |
9773 | |
9774 | return; | |
9775 | ||
9776 | nla_put_failure: | |
9777 | genlmsg_cancel(msg, hdr); | |
9778 | nlmsg_free(msg); | |
9779 | } | |
9780 | ||
6039f6d2 JM |
9781 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
9782 | struct net_device *netdev, | |
9783 | const u8 *buf, size_t len, | |
e6d6e342 | 9784 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
9785 | { |
9786 | struct sk_buff *msg; | |
9787 | void *hdr; | |
9788 | ||
e6d6e342 | 9789 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
9790 | if (!msg) |
9791 | return; | |
9792 | ||
9793 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
9794 | if (!hdr) { | |
9795 | nlmsg_free(msg); | |
9796 | return; | |
9797 | } | |
9798 | ||
9360ffd1 DM |
9799 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9800 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9801 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
9802 | goto nla_put_failure; | |
6039f6d2 | 9803 | |
3b7b72ee | 9804 | genlmsg_end(msg, hdr); |
6039f6d2 | 9805 | |
463d0183 JB |
9806 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9807 | nl80211_mlme_mcgrp.id, gfp); | |
6039f6d2 JM |
9808 | return; |
9809 | ||
9810 | nla_put_failure: | |
9811 | genlmsg_cancel(msg, hdr); | |
9812 | nlmsg_free(msg); | |
9813 | } | |
9814 | ||
9815 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9816 | struct net_device *netdev, const u8 *buf, |
9817 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
9818 | { |
9819 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9820 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
9821 | } |
9822 | ||
9823 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
9824 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 9825 | size_t len, gfp_t gfp) |
6039f6d2 | 9826 | { |
e6d6e342 JB |
9827 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
9828 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
9829 | } |
9830 | ||
53b46b84 | 9831 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
9832 | struct net_device *netdev, const u8 *buf, |
9833 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
9834 | { |
9835 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9836 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
9837 | } |
9838 | ||
53b46b84 JM |
9839 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
9840 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 9841 | size_t len, gfp_t gfp) |
6039f6d2 JM |
9842 | { |
9843 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 9844 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
9845 | } |
9846 | ||
6ff57cf8 JB |
9847 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
9848 | size_t len) | |
cf4e594e | 9849 | { |
947add36 JB |
9850 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9851 | struct wiphy *wiphy = wdev->wiphy; | |
9852 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6ff57cf8 JB |
9853 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
9854 | u32 cmd; | |
947add36 | 9855 | |
6ff57cf8 JB |
9856 | if (WARN_ON(len < 2)) |
9857 | return; | |
cf4e594e | 9858 | |
6ff57cf8 JB |
9859 | if (ieee80211_is_deauth(mgmt->frame_control)) |
9860 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
9861 | else | |
9862 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 9863 | |
6ff57cf8 JB |
9864 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
9865 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC); | |
cf4e594e | 9866 | } |
6ff57cf8 | 9867 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 9868 | |
1b06bb40 LR |
9869 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
9870 | struct net_device *netdev, int cmd, | |
e6d6e342 | 9871 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
9872 | { |
9873 | struct sk_buff *msg; | |
9874 | void *hdr; | |
9875 | ||
e6d6e342 | 9876 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
9877 | if (!msg) |
9878 | return; | |
9879 | ||
9880 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
9881 | if (!hdr) { | |
9882 | nlmsg_free(msg); | |
9883 | return; | |
9884 | } | |
9885 | ||
9360ffd1 DM |
9886 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9887 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9888 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
9889 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
9890 | goto nla_put_failure; | |
1965c853 | 9891 | |
3b7b72ee | 9892 | genlmsg_end(msg, hdr); |
1965c853 | 9893 | |
463d0183 JB |
9894 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9895 | nl80211_mlme_mcgrp.id, gfp); | |
1965c853 JM |
9896 | return; |
9897 | ||
9898 | nla_put_failure: | |
9899 | genlmsg_cancel(msg, hdr); | |
9900 | nlmsg_free(msg); | |
9901 | } | |
9902 | ||
9903 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9904 | struct net_device *netdev, const u8 *addr, |
9905 | gfp_t gfp) | |
1965c853 JM |
9906 | { |
9907 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 9908 | addr, gfp); |
1965c853 JM |
9909 | } |
9910 | ||
9911 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
9912 | struct net_device *netdev, const u8 *addr, |
9913 | gfp_t gfp) | |
1965c853 | 9914 | { |
e6d6e342 JB |
9915 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
9916 | addr, gfp); | |
1965c853 JM |
9917 | } |
9918 | ||
b23aa676 SO |
9919 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
9920 | struct net_device *netdev, const u8 *bssid, | |
9921 | const u8 *req_ie, size_t req_ie_len, | |
9922 | const u8 *resp_ie, size_t resp_ie_len, | |
9923 | u16 status, gfp_t gfp) | |
9924 | { | |
9925 | struct sk_buff *msg; | |
9926 | void *hdr; | |
9927 | ||
58050fce | 9928 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
9929 | if (!msg) |
9930 | return; | |
9931 | ||
9932 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
9933 | if (!hdr) { | |
9934 | nlmsg_free(msg); | |
9935 | return; | |
9936 | } | |
9937 | ||
9360ffd1 DM |
9938 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9939 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9940 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
9941 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
9942 | (req_ie && | |
9943 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
9944 | (resp_ie && | |
9945 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
9946 | goto nla_put_failure; | |
b23aa676 | 9947 | |
3b7b72ee | 9948 | genlmsg_end(msg, hdr); |
b23aa676 | 9949 | |
463d0183 JB |
9950 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9951 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
9952 | return; |
9953 | ||
9954 | nla_put_failure: | |
9955 | genlmsg_cancel(msg, hdr); | |
9956 | nlmsg_free(msg); | |
9957 | ||
9958 | } | |
9959 | ||
9960 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
9961 | struct net_device *netdev, const u8 *bssid, | |
9962 | const u8 *req_ie, size_t req_ie_len, | |
9963 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
9964 | { | |
9965 | struct sk_buff *msg; | |
9966 | void *hdr; | |
9967 | ||
58050fce | 9968 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
9969 | if (!msg) |
9970 | return; | |
9971 | ||
9972 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
9973 | if (!hdr) { | |
9974 | nlmsg_free(msg); | |
9975 | return; | |
9976 | } | |
9977 | ||
9360ffd1 DM |
9978 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
9979 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
9980 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
9981 | (req_ie && | |
9982 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
9983 | (resp_ie && | |
9984 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
9985 | goto nla_put_failure; | |
b23aa676 | 9986 | |
3b7b72ee | 9987 | genlmsg_end(msg, hdr); |
b23aa676 | 9988 | |
463d0183 JB |
9989 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
9990 | nl80211_mlme_mcgrp.id, gfp); | |
b23aa676 SO |
9991 | return; |
9992 | ||
9993 | nla_put_failure: | |
9994 | genlmsg_cancel(msg, hdr); | |
9995 | nlmsg_free(msg); | |
9996 | ||
9997 | } | |
9998 | ||
9999 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
10000 | struct net_device *netdev, u16 reason, | |
667503dd | 10001 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
10002 | { |
10003 | struct sk_buff *msg; | |
10004 | void *hdr; | |
10005 | ||
58050fce | 10006 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
10007 | if (!msg) |
10008 | return; | |
10009 | ||
10010 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
10011 | if (!hdr) { | |
10012 | nlmsg_free(msg); | |
10013 | return; | |
10014 | } | |
10015 | ||
9360ffd1 DM |
10016 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10017 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10018 | (from_ap && reason && | |
10019 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
10020 | (from_ap && | |
10021 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
10022 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
10023 | goto nla_put_failure; | |
b23aa676 | 10024 | |
3b7b72ee | 10025 | genlmsg_end(msg, hdr); |
b23aa676 | 10026 | |
463d0183 JB |
10027 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
10028 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
b23aa676 SO |
10029 | return; |
10030 | ||
10031 | nla_put_failure: | |
10032 | genlmsg_cancel(msg, hdr); | |
10033 | nlmsg_free(msg); | |
10034 | ||
10035 | } | |
10036 | ||
04a773ad JB |
10037 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
10038 | struct net_device *netdev, const u8 *bssid, | |
10039 | gfp_t gfp) | |
10040 | { | |
10041 | struct sk_buff *msg; | |
10042 | void *hdr; | |
10043 | ||
fd2120ca | 10044 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
10045 | if (!msg) |
10046 | return; | |
10047 | ||
10048 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
10049 | if (!hdr) { | |
10050 | nlmsg_free(msg); | |
10051 | return; | |
10052 | } | |
10053 | ||
9360ffd1 DM |
10054 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10055 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10056 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10057 | goto nla_put_failure; | |
04a773ad | 10058 | |
3b7b72ee | 10059 | genlmsg_end(msg, hdr); |
04a773ad | 10060 | |
463d0183 JB |
10061 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
10062 | nl80211_mlme_mcgrp.id, gfp); | |
04a773ad JB |
10063 | return; |
10064 | ||
10065 | nla_put_failure: | |
10066 | genlmsg_cancel(msg, hdr); | |
10067 | nlmsg_free(msg); | |
10068 | } | |
10069 | ||
947add36 JB |
10070 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
10071 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 10072 | { |
947add36 JB |
10073 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10074 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
c93b5e71 JC |
10075 | struct sk_buff *msg; |
10076 | void *hdr; | |
10077 | ||
947add36 JB |
10078 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
10079 | return; | |
10080 | ||
10081 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
10082 | ||
c93b5e71 JC |
10083 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10084 | if (!msg) | |
10085 | return; | |
10086 | ||
10087 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
10088 | if (!hdr) { | |
10089 | nlmsg_free(msg); | |
10090 | return; | |
10091 | } | |
10092 | ||
9360ffd1 | 10093 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
10094 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10095 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
10096 | (ie_len && ie && |
10097 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
10098 | goto nla_put_failure; | |
c93b5e71 | 10099 | |
3b7b72ee | 10100 | genlmsg_end(msg, hdr); |
c93b5e71 JC |
10101 | |
10102 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10103 | nl80211_mlme_mcgrp.id, gfp); | |
10104 | return; | |
10105 | ||
10106 | nla_put_failure: | |
10107 | genlmsg_cancel(msg, hdr); | |
10108 | nlmsg_free(msg); | |
10109 | } | |
947add36 | 10110 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 10111 | |
a3b8b056 JM |
10112 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
10113 | struct net_device *netdev, const u8 *addr, | |
10114 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 10115 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
10116 | { |
10117 | struct sk_buff *msg; | |
10118 | void *hdr; | |
10119 | ||
e6d6e342 | 10120 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
10121 | if (!msg) |
10122 | return; | |
10123 | ||
10124 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
10125 | if (!hdr) { | |
10126 | nlmsg_free(msg); | |
10127 | return; | |
10128 | } | |
10129 | ||
9360ffd1 DM |
10130 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10131 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10132 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
10133 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
10134 | (key_id != -1 && | |
10135 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
10136 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
10137 | goto nla_put_failure; | |
a3b8b056 | 10138 | |
3b7b72ee | 10139 | genlmsg_end(msg, hdr); |
a3b8b056 | 10140 | |
463d0183 JB |
10141 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
10142 | nl80211_mlme_mcgrp.id, gfp); | |
a3b8b056 JM |
10143 | return; |
10144 | ||
10145 | nla_put_failure: | |
10146 | genlmsg_cancel(msg, hdr); | |
10147 | nlmsg_free(msg); | |
10148 | } | |
10149 | ||
6bad8766 LR |
10150 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
10151 | struct ieee80211_channel *channel_before, | |
10152 | struct ieee80211_channel *channel_after) | |
10153 | { | |
10154 | struct sk_buff *msg; | |
10155 | void *hdr; | |
10156 | struct nlattr *nl_freq; | |
10157 | ||
fd2120ca | 10158 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
10159 | if (!msg) |
10160 | return; | |
10161 | ||
10162 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
10163 | if (!hdr) { | |
10164 | nlmsg_free(msg); | |
10165 | return; | |
10166 | } | |
10167 | ||
10168 | /* | |
10169 | * Since we are applying the beacon hint to a wiphy we know its | |
10170 | * wiphy_idx is valid | |
10171 | */ | |
9360ffd1 DM |
10172 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
10173 | goto nla_put_failure; | |
6bad8766 LR |
10174 | |
10175 | /* Before */ | |
10176 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
10177 | if (!nl_freq) | |
10178 | goto nla_put_failure; | |
cdc89b97 | 10179 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
10180 | goto nla_put_failure; |
10181 | nla_nest_end(msg, nl_freq); | |
10182 | ||
10183 | /* After */ | |
10184 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
10185 | if (!nl_freq) | |
10186 | goto nla_put_failure; | |
cdc89b97 | 10187 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
10188 | goto nla_put_failure; |
10189 | nla_nest_end(msg, nl_freq); | |
10190 | ||
3b7b72ee | 10191 | genlmsg_end(msg, hdr); |
6bad8766 | 10192 | |
463d0183 JB |
10193 | rcu_read_lock(); |
10194 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, | |
10195 | GFP_ATOMIC); | |
10196 | rcu_read_unlock(); | |
6bad8766 LR |
10197 | |
10198 | return; | |
10199 | ||
10200 | nla_put_failure: | |
10201 | genlmsg_cancel(msg, hdr); | |
10202 | nlmsg_free(msg); | |
10203 | } | |
10204 | ||
9588bbd5 JM |
10205 | static void nl80211_send_remain_on_chan_event( |
10206 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 10207 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 10208 | struct ieee80211_channel *chan, |
9588bbd5 JM |
10209 | unsigned int duration, gfp_t gfp) |
10210 | { | |
10211 | struct sk_buff *msg; | |
10212 | void *hdr; | |
10213 | ||
10214 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10215 | if (!msg) | |
10216 | return; | |
10217 | ||
10218 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10219 | if (!hdr) { | |
10220 | nlmsg_free(msg); | |
10221 | return; | |
10222 | } | |
10223 | ||
9360ffd1 | 10224 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10225 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10226 | wdev->netdev->ifindex)) || | |
00f53350 | 10227 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 10228 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
10229 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
10230 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
10231 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
10232 | goto nla_put_failure; | |
9588bbd5 | 10233 | |
9360ffd1 DM |
10234 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
10235 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
10236 | goto nla_put_failure; | |
9588bbd5 | 10237 | |
3b7b72ee | 10238 | genlmsg_end(msg, hdr); |
9588bbd5 JM |
10239 | |
10240 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10241 | nl80211_mlme_mcgrp.id, gfp); | |
10242 | return; | |
10243 | ||
10244 | nla_put_failure: | |
10245 | genlmsg_cancel(msg, hdr); | |
10246 | nlmsg_free(msg); | |
10247 | } | |
10248 | ||
947add36 JB |
10249 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
10250 | struct ieee80211_channel *chan, | |
10251 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 10252 | { |
947add36 JB |
10253 | struct wiphy *wiphy = wdev->wiphy; |
10254 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10255 | ||
10256 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 10257 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 10258 | rdev, wdev, cookie, chan, |
42d97a59 | 10259 | duration, gfp); |
9588bbd5 | 10260 | } |
947add36 | 10261 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 10262 | |
947add36 JB |
10263 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
10264 | struct ieee80211_channel *chan, | |
10265 | gfp_t gfp) | |
9588bbd5 | 10266 | { |
947add36 JB |
10267 | struct wiphy *wiphy = wdev->wiphy; |
10268 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10269 | ||
10270 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 10271 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 10272 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 10273 | } |
947add36 | 10274 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 10275 | |
947add36 JB |
10276 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
10277 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 10278 | { |
947add36 JB |
10279 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10280 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
98b62183 JB |
10281 | struct sk_buff *msg; |
10282 | ||
947add36 JB |
10283 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
10284 | ||
58050fce | 10285 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
10286 | if (!msg) |
10287 | return; | |
10288 | ||
66266b3a JL |
10289 | if (nl80211_send_station(msg, 0, 0, 0, |
10290 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
10291 | nlmsg_free(msg); |
10292 | return; | |
10293 | } | |
10294 | ||
10295 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10296 | nl80211_mlme_mcgrp.id, gfp); | |
10297 | } | |
947add36 | 10298 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 10299 | |
947add36 | 10300 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 10301 | { |
947add36 JB |
10302 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10303 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ec15e68b JM |
10304 | struct sk_buff *msg; |
10305 | void *hdr; | |
10306 | ||
947add36 JB |
10307 | trace_cfg80211_del_sta(dev, mac_addr); |
10308 | ||
58050fce | 10309 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
10310 | if (!msg) |
10311 | return; | |
10312 | ||
10313 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
10314 | if (!hdr) { | |
10315 | nlmsg_free(msg); | |
10316 | return; | |
10317 | } | |
10318 | ||
9360ffd1 DM |
10319 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10320 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
10321 | goto nla_put_failure; | |
ec15e68b | 10322 | |
3b7b72ee | 10323 | genlmsg_end(msg, hdr); |
ec15e68b JM |
10324 | |
10325 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10326 | nl80211_mlme_mcgrp.id, gfp); | |
10327 | return; | |
10328 | ||
10329 | nla_put_failure: | |
10330 | genlmsg_cancel(msg, hdr); | |
10331 | nlmsg_free(msg); | |
10332 | } | |
947add36 | 10333 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 10334 | |
947add36 JB |
10335 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
10336 | enum nl80211_connect_failed_reason reason, | |
10337 | gfp_t gfp) | |
ed44a951 | 10338 | { |
947add36 JB |
10339 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10340 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ed44a951 PP |
10341 | struct sk_buff *msg; |
10342 | void *hdr; | |
10343 | ||
10344 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10345 | if (!msg) | |
10346 | return; | |
10347 | ||
10348 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
10349 | if (!hdr) { | |
10350 | nlmsg_free(msg); | |
10351 | return; | |
10352 | } | |
10353 | ||
10354 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10355 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
10356 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
10357 | goto nla_put_failure; | |
10358 | ||
10359 | genlmsg_end(msg, hdr); | |
10360 | ||
10361 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10362 | nl80211_mlme_mcgrp.id, gfp); | |
10363 | return; | |
10364 | ||
10365 | nla_put_failure: | |
10366 | genlmsg_cancel(msg, hdr); | |
10367 | nlmsg_free(msg); | |
10368 | } | |
947add36 | 10369 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 10370 | |
b92ab5d8 JB |
10371 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
10372 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
10373 | { |
10374 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10375 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10376 | struct sk_buff *msg; | |
10377 | void *hdr; | |
15e47304 | 10378 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 10379 | |
15e47304 | 10380 | if (!nlportid) |
28946da7 JB |
10381 | return false; |
10382 | ||
10383 | msg = nlmsg_new(100, gfp); | |
10384 | if (!msg) | |
10385 | return true; | |
10386 | ||
b92ab5d8 | 10387 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
10388 | if (!hdr) { |
10389 | nlmsg_free(msg); | |
10390 | return true; | |
10391 | } | |
10392 | ||
9360ffd1 DM |
10393 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10394 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10395 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10396 | goto nla_put_failure; | |
28946da7 | 10397 | |
9c90a9f6 | 10398 | genlmsg_end(msg, hdr); |
15e47304 | 10399 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
10400 | return true; |
10401 | ||
10402 | nla_put_failure: | |
10403 | genlmsg_cancel(msg, hdr); | |
10404 | nlmsg_free(msg); | |
10405 | return true; | |
10406 | } | |
10407 | ||
947add36 JB |
10408 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
10409 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10410 | { |
947add36 JB |
10411 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10412 | bool ret; | |
10413 | ||
10414 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
10415 | ||
10416 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10417 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
10418 | trace_cfg80211_return_bool(false); | |
10419 | return false; | |
10420 | } | |
10421 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
10422 | addr, gfp); | |
10423 | trace_cfg80211_return_bool(ret); | |
10424 | return ret; | |
b92ab5d8 | 10425 | } |
947add36 | 10426 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 10427 | |
947add36 JB |
10428 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
10429 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10430 | { |
947add36 JB |
10431 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10432 | bool ret; | |
10433 | ||
10434 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
10435 | ||
10436 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10437 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
10438 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
10439 | trace_cfg80211_return_bool(false); | |
10440 | return false; | |
10441 | } | |
10442 | ret = __nl80211_unexpected_frame(dev, | |
10443 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
10444 | addr, gfp); | |
10445 | trace_cfg80211_return_bool(ret); | |
10446 | return ret; | |
b92ab5d8 | 10447 | } |
947add36 | 10448 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 10449 | |
2e161f78 | 10450 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 10451 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 10452 | int freq, int sig_dbm, |
19504cf5 | 10453 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 10454 | { |
71bbc994 | 10455 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10456 | struct sk_buff *msg; |
10457 | void *hdr; | |
026331c4 JM |
10458 | |
10459 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10460 | if (!msg) | |
10461 | return -ENOMEM; | |
10462 | ||
2e161f78 | 10463 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
10464 | if (!hdr) { |
10465 | nlmsg_free(msg); | |
10466 | return -ENOMEM; | |
10467 | } | |
10468 | ||
9360ffd1 | 10469 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10470 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10471 | netdev->ifindex)) || | |
a838490b | 10472 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10473 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
10474 | (sig_dbm && | |
10475 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
10476 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10477 | (flags && | |
10478 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 10479 | goto nla_put_failure; |
026331c4 | 10480 | |
3b7b72ee | 10481 | genlmsg_end(msg, hdr); |
026331c4 | 10482 | |
15e47304 | 10483 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
10484 | |
10485 | nla_put_failure: | |
10486 | genlmsg_cancel(msg, hdr); | |
10487 | nlmsg_free(msg); | |
10488 | return -ENOBUFS; | |
10489 | } | |
10490 | ||
947add36 JB |
10491 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
10492 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 10493 | { |
947add36 JB |
10494 | struct wiphy *wiphy = wdev->wiphy; |
10495 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
71bbc994 | 10496 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10497 | struct sk_buff *msg; |
10498 | void *hdr; | |
10499 | ||
947add36 JB |
10500 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
10501 | ||
026331c4 JM |
10502 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10503 | if (!msg) | |
10504 | return; | |
10505 | ||
2e161f78 | 10506 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
10507 | if (!hdr) { |
10508 | nlmsg_free(msg); | |
10509 | return; | |
10510 | } | |
10511 | ||
9360ffd1 | 10512 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10513 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10514 | netdev->ifindex)) || | |
a838490b | 10515 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10516 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10517 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
10518 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
10519 | goto nla_put_failure; | |
026331c4 | 10520 | |
3b7b72ee | 10521 | genlmsg_end(msg, hdr); |
026331c4 | 10522 | |
a0ec570f MK |
10523 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
10524 | nl80211_mlme_mcgrp.id, gfp); | |
026331c4 JM |
10525 | return; |
10526 | ||
10527 | nla_put_failure: | |
10528 | genlmsg_cancel(msg, hdr); | |
10529 | nlmsg_free(msg); | |
10530 | } | |
947add36 | 10531 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 10532 | |
947add36 JB |
10533 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
10534 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
10535 | gfp_t gfp) | |
d6dc1a38 | 10536 | { |
947add36 JB |
10537 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10538 | struct wiphy *wiphy = wdev->wiphy; | |
10539 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
d6dc1a38 JO |
10540 | struct sk_buff *msg; |
10541 | struct nlattr *pinfoattr; | |
10542 | void *hdr; | |
10543 | ||
947add36 JB |
10544 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
10545 | ||
58050fce | 10546 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
d6dc1a38 JO |
10547 | if (!msg) |
10548 | return; | |
10549 | ||
10550 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10551 | if (!hdr) { | |
10552 | nlmsg_free(msg); | |
10553 | return; | |
10554 | } | |
10555 | ||
9360ffd1 | 10556 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10557 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 10558 | goto nla_put_failure; |
d6dc1a38 JO |
10559 | |
10560 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10561 | if (!pinfoattr) | |
10562 | goto nla_put_failure; | |
10563 | ||
9360ffd1 DM |
10564 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
10565 | rssi_event)) | |
10566 | goto nla_put_failure; | |
d6dc1a38 JO |
10567 | |
10568 | nla_nest_end(msg, pinfoattr); | |
10569 | ||
3b7b72ee | 10570 | genlmsg_end(msg, hdr); |
d6dc1a38 JO |
10571 | |
10572 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10573 | nl80211_mlme_mcgrp.id, gfp); | |
10574 | return; | |
10575 | ||
10576 | nla_put_failure: | |
10577 | genlmsg_cancel(msg, hdr); | |
10578 | nlmsg_free(msg); | |
10579 | } | |
947add36 | 10580 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 10581 | |
947add36 JB |
10582 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
10583 | struct net_device *netdev, const u8 *bssid, | |
10584 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
10585 | { |
10586 | struct sk_buff *msg; | |
10587 | struct nlattr *rekey_attr; | |
10588 | void *hdr; | |
10589 | ||
58050fce | 10590 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
10591 | if (!msg) |
10592 | return; | |
10593 | ||
10594 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
10595 | if (!hdr) { | |
10596 | nlmsg_free(msg); | |
10597 | return; | |
10598 | } | |
10599 | ||
9360ffd1 DM |
10600 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10601 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10602 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10603 | goto nla_put_failure; | |
e5497d76 JB |
10604 | |
10605 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
10606 | if (!rekey_attr) | |
10607 | goto nla_put_failure; | |
10608 | ||
9360ffd1 DM |
10609 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
10610 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
10611 | goto nla_put_failure; | |
e5497d76 JB |
10612 | |
10613 | nla_nest_end(msg, rekey_attr); | |
10614 | ||
3b7b72ee | 10615 | genlmsg_end(msg, hdr); |
e5497d76 JB |
10616 | |
10617 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10618 | nl80211_mlme_mcgrp.id, gfp); | |
10619 | return; | |
10620 | ||
10621 | nla_put_failure: | |
10622 | genlmsg_cancel(msg, hdr); | |
10623 | nlmsg_free(msg); | |
10624 | } | |
10625 | ||
947add36 JB |
10626 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
10627 | const u8 *replay_ctr, gfp_t gfp) | |
10628 | { | |
10629 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10630 | struct wiphy *wiphy = wdev->wiphy; | |
10631 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10632 | ||
10633 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
10634 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
10635 | } | |
10636 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
10637 | ||
10638 | static void | |
10639 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
10640 | struct net_device *netdev, int index, | |
10641 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
10642 | { |
10643 | struct sk_buff *msg; | |
10644 | struct nlattr *attr; | |
10645 | void *hdr; | |
10646 | ||
58050fce | 10647 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
10648 | if (!msg) |
10649 | return; | |
10650 | ||
10651 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
10652 | if (!hdr) { | |
10653 | nlmsg_free(msg); | |
10654 | return; | |
10655 | } | |
10656 | ||
9360ffd1 DM |
10657 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10658 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
10659 | goto nla_put_failure; | |
c9df56b4 JM |
10660 | |
10661 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
10662 | if (!attr) | |
10663 | goto nla_put_failure; | |
10664 | ||
9360ffd1 DM |
10665 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
10666 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
10667 | (preauth && | |
10668 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
10669 | goto nla_put_failure; | |
c9df56b4 JM |
10670 | |
10671 | nla_nest_end(msg, attr); | |
10672 | ||
3b7b72ee | 10673 | genlmsg_end(msg, hdr); |
c9df56b4 JM |
10674 | |
10675 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10676 | nl80211_mlme_mcgrp.id, gfp); | |
10677 | return; | |
10678 | ||
10679 | nla_put_failure: | |
10680 | genlmsg_cancel(msg, hdr); | |
10681 | nlmsg_free(msg); | |
10682 | } | |
10683 | ||
947add36 JB |
10684 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
10685 | const u8 *bssid, bool preauth, gfp_t gfp) | |
10686 | { | |
10687 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10688 | struct wiphy *wiphy = wdev->wiphy; | |
10689 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10690 | ||
10691 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
10692 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
10693 | } | |
10694 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
10695 | ||
10696 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
10697 | struct net_device *netdev, | |
10698 | struct cfg80211_chan_def *chandef, | |
10699 | gfp_t gfp) | |
5314526b TP |
10700 | { |
10701 | struct sk_buff *msg; | |
10702 | void *hdr; | |
10703 | ||
58050fce | 10704 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
10705 | if (!msg) |
10706 | return; | |
10707 | ||
10708 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY); | |
10709 | if (!hdr) { | |
10710 | nlmsg_free(msg); | |
10711 | return; | |
10712 | } | |
10713 | ||
683b6d3b JB |
10714 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
10715 | goto nla_put_failure; | |
10716 | ||
10717 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 10718 | goto nla_put_failure; |
5314526b TP |
10719 | |
10720 | genlmsg_end(msg, hdr); | |
10721 | ||
10722 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10723 | nl80211_mlme_mcgrp.id, gfp); | |
10724 | return; | |
10725 | ||
10726 | nla_put_failure: | |
10727 | genlmsg_cancel(msg, hdr); | |
10728 | nlmsg_free(msg); | |
10729 | } | |
10730 | ||
947add36 JB |
10731 | void cfg80211_ch_switch_notify(struct net_device *dev, |
10732 | struct cfg80211_chan_def *chandef) | |
84f10708 | 10733 | { |
947add36 JB |
10734 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10735 | struct wiphy *wiphy = wdev->wiphy; | |
10736 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10737 | ||
10738 | trace_cfg80211_ch_switch_notify(dev, chandef); | |
10739 | ||
10740 | wdev_lock(wdev); | |
10741 | ||
10742 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10743 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) | |
10744 | goto out; | |
10745 | ||
10746 | wdev->channel = chandef->chan; | |
10747 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); | |
10748 | out: | |
10749 | wdev_unlock(wdev); | |
10750 | return; | |
10751 | } | |
10752 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
10753 | ||
10754 | void cfg80211_cqm_txe_notify(struct net_device *dev, | |
10755 | const u8 *peer, u32 num_packets, | |
10756 | u32 rate, u32 intvl, gfp_t gfp) | |
10757 | { | |
10758 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10759 | struct wiphy *wiphy = wdev->wiphy; | |
10760 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
84f10708 TP |
10761 | struct sk_buff *msg; |
10762 | struct nlattr *pinfoattr; | |
10763 | void *hdr; | |
10764 | ||
10765 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10766 | if (!msg) | |
10767 | return; | |
10768 | ||
10769 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10770 | if (!hdr) { | |
10771 | nlmsg_free(msg); | |
10772 | return; | |
10773 | } | |
10774 | ||
10775 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
947add36 | 10776 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
84f10708 TP |
10777 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
10778 | goto nla_put_failure; | |
10779 | ||
10780 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10781 | if (!pinfoattr) | |
10782 | goto nla_put_failure; | |
10783 | ||
10784 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
10785 | goto nla_put_failure; | |
10786 | ||
10787 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
10788 | goto nla_put_failure; | |
10789 | ||
10790 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
10791 | goto nla_put_failure; | |
10792 | ||
10793 | nla_nest_end(msg, pinfoattr); | |
10794 | ||
10795 | genlmsg_end(msg, hdr); | |
10796 | ||
10797 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10798 | nl80211_mlme_mcgrp.id, gfp); | |
10799 | return; | |
10800 | ||
10801 | nla_put_failure: | |
10802 | genlmsg_cancel(msg, hdr); | |
10803 | nlmsg_free(msg); | |
10804 | } | |
947add36 | 10805 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); |
84f10708 | 10806 | |
04f39047 SW |
10807 | void |
10808 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
10809 | struct cfg80211_chan_def *chandef, | |
10810 | enum nl80211_radar_event event, | |
10811 | struct net_device *netdev, gfp_t gfp) | |
10812 | { | |
10813 | struct sk_buff *msg; | |
10814 | void *hdr; | |
10815 | ||
10816 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10817 | if (!msg) | |
10818 | return; | |
10819 | ||
10820 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
10821 | if (!hdr) { | |
10822 | nlmsg_free(msg); | |
10823 | return; | |
10824 | } | |
10825 | ||
10826 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
10827 | goto nla_put_failure; | |
10828 | ||
10829 | /* NOP and radar events don't need a netdev parameter */ | |
10830 | if (netdev) { | |
10831 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
10832 | ||
10833 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10834 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
10835 | goto nla_put_failure; | |
10836 | } | |
10837 | ||
10838 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
10839 | goto nla_put_failure; | |
10840 | ||
10841 | if (nl80211_send_chandef(msg, chandef)) | |
10842 | goto nla_put_failure; | |
10843 | ||
9c90a9f6 | 10844 | genlmsg_end(msg, hdr); |
04f39047 SW |
10845 | |
10846 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10847 | nl80211_mlme_mcgrp.id, gfp); | |
10848 | return; | |
10849 | ||
10850 | nla_put_failure: | |
10851 | genlmsg_cancel(msg, hdr); | |
10852 | nlmsg_free(msg); | |
10853 | } | |
10854 | ||
947add36 JB |
10855 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
10856 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
c063dbf5 | 10857 | { |
947add36 JB |
10858 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10859 | struct wiphy *wiphy = wdev->wiphy; | |
10860 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
c063dbf5 JB |
10861 | struct sk_buff *msg; |
10862 | struct nlattr *pinfoattr; | |
10863 | void *hdr; | |
10864 | ||
947add36 JB |
10865 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
10866 | ||
58050fce | 10867 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c063dbf5 JB |
10868 | if (!msg) |
10869 | return; | |
10870 | ||
10871 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10872 | if (!hdr) { | |
10873 | nlmsg_free(msg); | |
10874 | return; | |
10875 | } | |
10876 | ||
9360ffd1 | 10877 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10878 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9360ffd1 DM |
10879 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
10880 | goto nla_put_failure; | |
c063dbf5 JB |
10881 | |
10882 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10883 | if (!pinfoattr) | |
10884 | goto nla_put_failure; | |
10885 | ||
9360ffd1 DM |
10886 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) |
10887 | goto nla_put_failure; | |
c063dbf5 JB |
10888 | |
10889 | nla_nest_end(msg, pinfoattr); | |
10890 | ||
3b7b72ee | 10891 | genlmsg_end(msg, hdr); |
c063dbf5 JB |
10892 | |
10893 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10894 | nl80211_mlme_mcgrp.id, gfp); | |
10895 | return; | |
10896 | ||
10897 | nla_put_failure: | |
10898 | genlmsg_cancel(msg, hdr); | |
10899 | nlmsg_free(msg); | |
10900 | } | |
947add36 | 10901 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
c063dbf5 | 10902 | |
7f6cf311 JB |
10903 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
10904 | u64 cookie, bool acked, gfp_t gfp) | |
10905 | { | |
10906 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10907 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10908 | struct sk_buff *msg; | |
10909 | void *hdr; | |
7f6cf311 | 10910 | |
4ee3e063 BL |
10911 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
10912 | ||
58050fce | 10913 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 10914 | |
7f6cf311 JB |
10915 | if (!msg) |
10916 | return; | |
10917 | ||
10918 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
10919 | if (!hdr) { | |
10920 | nlmsg_free(msg); | |
10921 | return; | |
10922 | } | |
10923 | ||
9360ffd1 DM |
10924 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10925 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10926 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
10927 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
10928 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
10929 | goto nla_put_failure; | |
7f6cf311 | 10930 | |
9c90a9f6 | 10931 | genlmsg_end(msg, hdr); |
7f6cf311 JB |
10932 | |
10933 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
10934 | nl80211_mlme_mcgrp.id, gfp); | |
10935 | return; | |
10936 | ||
10937 | nla_put_failure: | |
10938 | genlmsg_cancel(msg, hdr); | |
10939 | nlmsg_free(msg); | |
10940 | } | |
10941 | EXPORT_SYMBOL(cfg80211_probe_status); | |
10942 | ||
5e760230 JB |
10943 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
10944 | const u8 *frame, size_t len, | |
37c73b5f | 10945 | int freq, int sig_dbm) |
5e760230 JB |
10946 | { |
10947 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10948 | struct sk_buff *msg; | |
10949 | void *hdr; | |
37c73b5f | 10950 | struct cfg80211_beacon_registration *reg; |
5e760230 | 10951 | |
4ee3e063 BL |
10952 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
10953 | ||
37c73b5f BG |
10954 | spin_lock_bh(&rdev->beacon_registrations_lock); |
10955 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
10956 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
10957 | if (!msg) { | |
10958 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
10959 | return; | |
10960 | } | |
5e760230 | 10961 | |
37c73b5f BG |
10962 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
10963 | if (!hdr) | |
10964 | goto nla_put_failure; | |
5e760230 | 10965 | |
37c73b5f BG |
10966 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10967 | (freq && | |
10968 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
10969 | (sig_dbm && | |
10970 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
10971 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
10972 | goto nla_put_failure; | |
5e760230 | 10973 | |
37c73b5f | 10974 | genlmsg_end(msg, hdr); |
5e760230 | 10975 | |
37c73b5f BG |
10976 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
10977 | } | |
10978 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
10979 | return; |
10980 | ||
10981 | nla_put_failure: | |
37c73b5f BG |
10982 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
10983 | if (hdr) | |
10984 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
10985 | nlmsg_free(msg); |
10986 | } | |
10987 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
10988 | ||
cd8f7cb4 JB |
10989 | #ifdef CONFIG_PM |
10990 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, | |
10991 | struct cfg80211_wowlan_wakeup *wakeup, | |
10992 | gfp_t gfp) | |
10993 | { | |
10994 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10995 | struct sk_buff *msg; | |
10996 | void *hdr; | |
9c90a9f6 | 10997 | int size = 200; |
cd8f7cb4 JB |
10998 | |
10999 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
11000 | ||
11001 | if (wakeup) | |
11002 | size += wakeup->packet_present_len; | |
11003 | ||
11004 | msg = nlmsg_new(size, gfp); | |
11005 | if (!msg) | |
11006 | return; | |
11007 | ||
11008 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
11009 | if (!hdr) | |
11010 | goto free_msg; | |
11011 | ||
11012 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11013 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11014 | goto free_msg; | |
11015 | ||
11016 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11017 | wdev->netdev->ifindex)) | |
11018 | goto free_msg; | |
11019 | ||
11020 | if (wakeup) { | |
11021 | struct nlattr *reasons; | |
11022 | ||
11023 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
11024 | ||
11025 | if (wakeup->disconnect && | |
11026 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
11027 | goto free_msg; | |
11028 | if (wakeup->magic_pkt && | |
11029 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
11030 | goto free_msg; | |
11031 | if (wakeup->gtk_rekey_failure && | |
11032 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
11033 | goto free_msg; | |
11034 | if (wakeup->eap_identity_req && | |
11035 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
11036 | goto free_msg; | |
11037 | if (wakeup->four_way_handshake && | |
11038 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
11039 | goto free_msg; | |
11040 | if (wakeup->rfkill_release && | |
11041 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
11042 | goto free_msg; | |
11043 | ||
11044 | if (wakeup->pattern_idx >= 0 && | |
11045 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
11046 | wakeup->pattern_idx)) | |
11047 | goto free_msg; | |
11048 | ||
2a0e047e JB |
11049 | if (wakeup->tcp_match) |
11050 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH); | |
11051 | ||
11052 | if (wakeup->tcp_connlost) | |
11053 | nla_put_flag(msg, | |
11054 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST); | |
11055 | ||
11056 | if (wakeup->tcp_nomoretokens) | |
11057 | nla_put_flag(msg, | |
11058 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS); | |
11059 | ||
cd8f7cb4 JB |
11060 | if (wakeup->packet) { |
11061 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
11062 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
11063 | ||
11064 | if (!wakeup->packet_80211) { | |
11065 | pkt_attr = | |
11066 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
11067 | len_attr = | |
11068 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
11069 | } | |
11070 | ||
11071 | if (wakeup->packet_len && | |
11072 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
11073 | goto free_msg; | |
11074 | ||
11075 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
11076 | wakeup->packet)) | |
11077 | goto free_msg; | |
11078 | } | |
11079 | ||
11080 | nla_nest_end(msg, reasons); | |
11081 | } | |
11082 | ||
9c90a9f6 | 11083 | genlmsg_end(msg, hdr); |
cd8f7cb4 JB |
11084 | |
11085 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
11086 | nl80211_mlme_mcgrp.id, gfp); | |
11087 | return; | |
11088 | ||
11089 | free_msg: | |
11090 | nlmsg_free(msg); | |
11091 | } | |
11092 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
11093 | #endif | |
11094 | ||
3475b094 JM |
11095 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
11096 | enum nl80211_tdls_operation oper, | |
11097 | u16 reason_code, gfp_t gfp) | |
11098 | { | |
11099 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11100 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11101 | struct sk_buff *msg; | |
11102 | void *hdr; | |
3475b094 JM |
11103 | |
11104 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
11105 | reason_code); | |
11106 | ||
11107 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11108 | if (!msg) | |
11109 | return; | |
11110 | ||
11111 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
11112 | if (!hdr) { | |
11113 | nlmsg_free(msg); | |
11114 | return; | |
11115 | } | |
11116 | ||
11117 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11118 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11119 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
11120 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
11121 | (reason_code > 0 && | |
11122 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
11123 | goto nla_put_failure; | |
11124 | ||
9c90a9f6 | 11125 | genlmsg_end(msg, hdr); |
3475b094 JM |
11126 | |
11127 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
11128 | nl80211_mlme_mcgrp.id, gfp); | |
11129 | return; | |
11130 | ||
11131 | nla_put_failure: | |
11132 | genlmsg_cancel(msg, hdr); | |
11133 | nlmsg_free(msg); | |
11134 | } | |
11135 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
11136 | ||
026331c4 JM |
11137 | static int nl80211_netlink_notify(struct notifier_block * nb, |
11138 | unsigned long state, | |
11139 | void *_notify) | |
11140 | { | |
11141 | struct netlink_notify *notify = _notify; | |
11142 | struct cfg80211_registered_device *rdev; | |
11143 | struct wireless_dev *wdev; | |
37c73b5f | 11144 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
11145 | |
11146 | if (state != NETLINK_URELEASE) | |
11147 | return NOTIFY_DONE; | |
11148 | ||
11149 | rcu_read_lock(); | |
11150 | ||
5e760230 | 11151 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
89a54e48 | 11152 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) |
15e47304 | 11153 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f BG |
11154 | |
11155 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
11156 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
11157 | list) { | |
11158 | if (reg->nlportid == notify->portid) { | |
11159 | list_del(®->list); | |
11160 | kfree(reg); | |
11161 | break; | |
11162 | } | |
11163 | } | |
11164 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 11165 | } |
026331c4 JM |
11166 | |
11167 | rcu_read_unlock(); | |
11168 | ||
11169 | return NOTIFY_DONE; | |
11170 | } | |
11171 | ||
11172 | static struct notifier_block nl80211_netlink_notifier = { | |
11173 | .notifier_call = nl80211_netlink_notify, | |
11174 | }; | |
11175 | ||
355199e0 JM |
11176 | void cfg80211_ft_event(struct net_device *netdev, |
11177 | struct cfg80211_ft_event_params *ft_event) | |
11178 | { | |
11179 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
11180 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11181 | struct sk_buff *msg; | |
11182 | void *hdr; | |
355199e0 JM |
11183 | |
11184 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
11185 | ||
11186 | if (!ft_event->target_ap) | |
11187 | return; | |
11188 | ||
11189 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11190 | if (!msg) | |
11191 | return; | |
11192 | ||
11193 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
11194 | if (!hdr) { | |
11195 | nlmsg_free(msg); | |
11196 | return; | |
11197 | } | |
11198 | ||
11199 | nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); | |
11200 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); | |
11201 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap); | |
11202 | if (ft_event->ies) | |
11203 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies); | |
11204 | if (ft_event->ric_ies) | |
11205 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
11206 | ft_event->ric_ies); | |
11207 | ||
9c90a9f6 | 11208 | genlmsg_end(msg, hdr); |
355199e0 JM |
11209 | |
11210 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, | |
11211 | nl80211_mlme_mcgrp.id, GFP_KERNEL); | |
11212 | } | |
11213 | EXPORT_SYMBOL(cfg80211_ft_event); | |
11214 | ||
5de17984 AS |
11215 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
11216 | { | |
11217 | struct cfg80211_registered_device *rdev; | |
11218 | struct sk_buff *msg; | |
11219 | void *hdr; | |
11220 | u32 nlportid; | |
11221 | ||
11222 | rdev = wiphy_to_dev(wdev->wiphy); | |
11223 | if (!rdev->crit_proto_nlportid) | |
11224 | return; | |
11225 | ||
11226 | nlportid = rdev->crit_proto_nlportid; | |
11227 | rdev->crit_proto_nlportid = 0; | |
11228 | ||
11229 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11230 | if (!msg) | |
11231 | return; | |
11232 | ||
11233 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
11234 | if (!hdr) | |
11235 | goto nla_put_failure; | |
11236 | ||
11237 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11238 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11239 | goto nla_put_failure; | |
11240 | ||
11241 | genlmsg_end(msg, hdr); | |
11242 | ||
11243 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
11244 | return; | |
11245 | ||
11246 | nla_put_failure: | |
11247 | if (hdr) | |
11248 | genlmsg_cancel(msg, hdr); | |
11249 | nlmsg_free(msg); | |
11250 | ||
11251 | } | |
11252 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
11253 | ||
55682965 JB |
11254 | /* initialisation/exit functions */ |
11255 | ||
11256 | int nl80211_init(void) | |
11257 | { | |
0d63cbb5 | 11258 | int err; |
55682965 | 11259 | |
0d63cbb5 MM |
11260 | err = genl_register_family_with_ops(&nl80211_fam, |
11261 | nl80211_ops, ARRAY_SIZE(nl80211_ops)); | |
55682965 JB |
11262 | if (err) |
11263 | return err; | |
11264 | ||
55682965 JB |
11265 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); |
11266 | if (err) | |
11267 | goto err_out; | |
11268 | ||
2a519311 JB |
11269 | err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); |
11270 | if (err) | |
11271 | goto err_out; | |
11272 | ||
73d54c9e LR |
11273 | err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); |
11274 | if (err) | |
11275 | goto err_out; | |
11276 | ||
6039f6d2 JM |
11277 | err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); |
11278 | if (err) | |
11279 | goto err_out; | |
11280 | ||
aff89a9b JB |
11281 | #ifdef CONFIG_NL80211_TESTMODE |
11282 | err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); | |
11283 | if (err) | |
11284 | goto err_out; | |
11285 | #endif | |
11286 | ||
026331c4 JM |
11287 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
11288 | if (err) | |
11289 | goto err_out; | |
11290 | ||
55682965 JB |
11291 | return 0; |
11292 | err_out: | |
11293 | genl_unregister_family(&nl80211_fam); | |
11294 | return err; | |
11295 | } | |
11296 | ||
11297 | void nl80211_exit(void) | |
11298 | { | |
026331c4 | 11299 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
11300 | genl_unregister_family(&nl80211_fam); |
11301 | } |