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 | ||
f84f771d | 33 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 | 34 | struct genl_info *info); |
f84f771d | 35 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
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 | ||
2a94fe48 JB |
50 | /* multicast groups */ |
51 | enum nl80211_multicast_groups { | |
52 | NL80211_MCGRP_CONFIG, | |
53 | NL80211_MCGRP_SCAN, | |
54 | NL80211_MCGRP_REGULATORY, | |
55 | NL80211_MCGRP_MLME, | |
567ffc35 | 56 | NL80211_MCGRP_VENDOR, |
2a94fe48 JB |
57 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ |
58 | }; | |
59 | ||
60 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
61 | [NL80211_MCGRP_CONFIG] = { .name = "config", }, | |
62 | [NL80211_MCGRP_SCAN] = { .name = "scan", }, | |
63 | [NL80211_MCGRP_REGULATORY] = { .name = "regulatory", }, | |
64 | [NL80211_MCGRP_MLME] = { .name = "mlme", }, | |
567ffc35 | 65 | [NL80211_MCGRP_VENDOR] = { .name = "vendor", }, |
2a94fe48 JB |
66 | #ifdef CONFIG_NL80211_TESTMODE |
67 | [NL80211_MCGRP_TESTMODE] = { .name = "testmode", } | |
68 | #endif | |
69 | }; | |
70 | ||
89a54e48 JB |
71 | /* returns ERR_PTR values */ |
72 | static struct wireless_dev * | |
73 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 74 | { |
89a54e48 JB |
75 | struct cfg80211_registered_device *rdev; |
76 | struct wireless_dev *result = NULL; | |
77 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
78 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
79 | u64 wdev_id; | |
80 | int wiphy_idx = -1; | |
81 | int ifidx = -1; | |
55682965 | 82 | |
5fe231e8 | 83 | ASSERT_RTNL(); |
55682965 | 84 | |
89a54e48 JB |
85 | if (!have_ifidx && !have_wdev_id) |
86 | return ERR_PTR(-EINVAL); | |
55682965 | 87 | |
89a54e48 JB |
88 | if (have_ifidx) |
89 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
90 | if (have_wdev_id) { | |
91 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
92 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
93 | } |
94 | ||
89a54e48 JB |
95 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
96 | struct wireless_dev *wdev; | |
97 | ||
98 | if (wiphy_net(&rdev->wiphy) != netns) | |
99 | continue; | |
100 | ||
101 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
102 | continue; | |
103 | ||
89a54e48 JB |
104 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
105 | if (have_ifidx && wdev->netdev && | |
106 | wdev->netdev->ifindex == ifidx) { | |
107 | result = wdev; | |
108 | break; | |
109 | } | |
110 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
111 | result = wdev; | |
112 | break; | |
113 | } | |
114 | } | |
89a54e48 JB |
115 | |
116 | if (result) | |
117 | break; | |
118 | } | |
119 | ||
120 | if (result) | |
121 | return result; | |
122 | return ERR_PTR(-ENODEV); | |
55682965 JB |
123 | } |
124 | ||
a9455408 | 125 | static struct cfg80211_registered_device * |
878d9ec7 | 126 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 127 | { |
7fee4778 JB |
128 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
129 | struct net_device *netdev; | |
a9455408 | 130 | |
5fe231e8 | 131 | ASSERT_RTNL(); |
a9455408 | 132 | |
878d9ec7 | 133 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
134 | !attrs[NL80211_ATTR_IFINDEX] && |
135 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
136 | return ERR_PTR(-EINVAL); |
137 | ||
878d9ec7 | 138 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 139 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 140 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 141 | |
89a54e48 JB |
142 | if (attrs[NL80211_ATTR_WDEV]) { |
143 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
144 | struct wireless_dev *wdev; | |
145 | bool found = false; | |
146 | ||
147 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
148 | if (tmp) { | |
149 | /* make sure wdev exists */ | |
89a54e48 JB |
150 | list_for_each_entry(wdev, &tmp->wdev_list, list) { |
151 | if (wdev->identifier != (u32)wdev_id) | |
152 | continue; | |
153 | found = true; | |
154 | break; | |
155 | } | |
89a54e48 JB |
156 | |
157 | if (!found) | |
158 | tmp = NULL; | |
159 | ||
160 | if (rdev && tmp != rdev) | |
161 | return ERR_PTR(-EINVAL); | |
162 | rdev = tmp; | |
163 | } | |
164 | } | |
165 | ||
878d9ec7 JB |
166 | if (attrs[NL80211_ATTR_IFINDEX]) { |
167 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
4f7eff10 | 168 | netdev = dev_get_by_index(netns, ifindex); |
7fee4778 JB |
169 | if (netdev) { |
170 | if (netdev->ieee80211_ptr) | |
171 | tmp = wiphy_to_dev( | |
172 | netdev->ieee80211_ptr->wiphy); | |
173 | else | |
174 | tmp = NULL; | |
175 | ||
176 | dev_put(netdev); | |
177 | ||
178 | /* not wireless device -- return error */ | |
179 | if (!tmp) | |
180 | return ERR_PTR(-EINVAL); | |
181 | ||
182 | /* mismatch -- return error */ | |
183 | if (rdev && tmp != rdev) | |
184 | return ERR_PTR(-EINVAL); | |
185 | ||
186 | rdev = tmp; | |
a9455408 | 187 | } |
a9455408 | 188 | } |
a9455408 | 189 | |
4f7eff10 JB |
190 | if (!rdev) |
191 | return ERR_PTR(-ENODEV); | |
a9455408 | 192 | |
4f7eff10 JB |
193 | if (netns != wiphy_net(&rdev->wiphy)) |
194 | return ERR_PTR(-ENODEV); | |
195 | ||
196 | return rdev; | |
a9455408 JB |
197 | } |
198 | ||
199 | /* | |
200 | * This function returns a pointer to the driver | |
201 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
202 | * |
203 | * The result of this can be a PTR_ERR and hence must | |
204 | * be checked with IS_ERR() for errors. | |
205 | */ | |
206 | static struct cfg80211_registered_device * | |
4f7eff10 | 207 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 208 | { |
5fe231e8 | 209 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
210 | } |
211 | ||
55682965 | 212 | /* policy for the attributes */ |
b54452b0 | 213 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
55682965 JB |
214 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
215 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 216 | .len = 20-1 }, |
31888487 | 217 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 218 | |
72bdcf34 | 219 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 220 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
221 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
222 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
223 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
224 | ||
b9a5f8ca JM |
225 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
226 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
227 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
228 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 229 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
55682965 JB |
230 | |
231 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
232 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
233 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 234 | |
e007b857 EP |
235 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
236 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 237 | |
b9454e83 | 238 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
239 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
240 | .len = WLAN_MAX_KEY_LEN }, | |
241 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
242 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
243 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 244 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 245 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
246 | |
247 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
248 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
249 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
250 | .len = IEEE80211_MAX_DATA_LEN }, | |
251 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
252 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
253 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
254 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
255 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
256 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
257 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 258 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 259 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 260 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 261 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 262 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 263 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 264 | |
b2e1b302 LR |
265 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
266 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
267 | ||
9f1ba906 JM |
268 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
269 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
270 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
271 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
272 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 273 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 274 | |
24bdd9f4 | 275 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 276 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 277 | |
6c739419 | 278 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
279 | |
280 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
281 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
282 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
283 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
284 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
285 | |
286 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
287 | .len = IEEE80211_MAX_SSID_LEN }, | |
288 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
289 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 290 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 291 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 292 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
293 | [NL80211_ATTR_STA_FLAGS2] = { |
294 | .len = sizeof(struct nl80211_sta_flag_update), | |
295 | }, | |
3f77316c | 296 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
297 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
298 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
299 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
300 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
301 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 302 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 303 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
304 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
305 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
306 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
307 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 308 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
309 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
310 | .len = IEEE80211_MAX_DATA_LEN }, | |
311 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 312 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 313 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 314 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 315 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
316 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
317 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 318 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
319 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
320 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 321 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 322 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 323 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 324 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 325 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 326 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 327 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 328 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 329 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
330 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
331 | .len = IEEE80211_MAX_DATA_LEN }, | |
332 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
333 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 334 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 335 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 336 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
337 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
338 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
339 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
340 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
341 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
e247bd90 | 342 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
343 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
344 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 345 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
346 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
347 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
348 | .len = NL80211_HT_CAPABILITY_LEN | |
349 | }, | |
1d9d9213 | 350 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 351 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 352 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 353 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 354 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
e39e5b5e | 355 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 356 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 357 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
358 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
359 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
360 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
361 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
362 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
363 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 364 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
365 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
366 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
367 | .len = NL80211_VHT_CAPABILITY_LEN, | |
368 | }, | |
355199e0 JM |
369 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
370 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
371 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 372 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
373 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
374 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
375 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
376 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_U16 }, | |
377 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_U16 }, | |
c01fc9ad SD |
378 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
379 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 380 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 381 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
382 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
383 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
384 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
385 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
386 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
55682965 JB |
387 | }; |
388 | ||
e31b8213 | 389 | /* policy for the key attributes */ |
b54452b0 | 390 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 391 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
392 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
393 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 394 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
395 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
396 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 397 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
398 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
399 | }; | |
400 | ||
401 | /* policy for the key default flags */ | |
402 | static const struct nla_policy | |
403 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
404 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
405 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
406 | }; |
407 | ||
ff1b6e69 JB |
408 | /* policy for WoWLAN attributes */ |
409 | static const struct nla_policy | |
410 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
411 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
412 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
413 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
414 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
415 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
416 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
417 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
418 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e JB |
419 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
420 | }; | |
421 | ||
422 | static const struct nla_policy | |
423 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
424 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
425 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
426 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
427 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
428 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
429 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
430 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
431 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
432 | }, | |
433 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
434 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
435 | }, | |
436 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
437 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
438 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
439 | }; |
440 | ||
be29b99a AK |
441 | /* policy for coalesce rule attributes */ |
442 | static const struct nla_policy | |
443 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
444 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
445 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
446 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
447 | }; | |
448 | ||
e5497d76 JB |
449 | /* policy for GTK rekey offload attributes */ |
450 | static const struct nla_policy | |
451 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
452 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
453 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
454 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
455 | }; | |
456 | ||
a1f1c21c LC |
457 | static const struct nla_policy |
458 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 459 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 460 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 461 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
462 | }; |
463 | ||
97990a06 JB |
464 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
465 | struct netlink_callback *cb, | |
466 | struct cfg80211_registered_device **rdev, | |
467 | struct wireless_dev **wdev) | |
a043897a | 468 | { |
97990a06 | 469 | int err; |
a043897a | 470 | |
97990a06 | 471 | rtnl_lock(); |
a043897a | 472 | |
97990a06 JB |
473 | if (!cb->args[0]) { |
474 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
475 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
476 | nl80211_policy); | |
477 | if (err) | |
478 | goto out_unlock; | |
67748893 | 479 | |
97990a06 JB |
480 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
481 | nl80211_fam.attrbuf); | |
482 | if (IS_ERR(*wdev)) { | |
483 | err = PTR_ERR(*wdev); | |
484 | goto out_unlock; | |
485 | } | |
486 | *rdev = wiphy_to_dev((*wdev)->wiphy); | |
c319d50b JB |
487 | /* 0 is the first index - add 1 to parse only once */ |
488 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
489 | cb->args[1] = (*wdev)->identifier; |
490 | } else { | |
c319d50b JB |
491 | /* subtract the 1 again here */ |
492 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 493 | struct wireless_dev *tmp; |
67748893 | 494 | |
97990a06 JB |
495 | if (!wiphy) { |
496 | err = -ENODEV; | |
497 | goto out_unlock; | |
498 | } | |
499 | *rdev = wiphy_to_dev(wiphy); | |
500 | *wdev = NULL; | |
67748893 | 501 | |
97990a06 JB |
502 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { |
503 | if (tmp->identifier == cb->args[1]) { | |
504 | *wdev = tmp; | |
505 | break; | |
506 | } | |
507 | } | |
67748893 | 508 | |
97990a06 JB |
509 | if (!*wdev) { |
510 | err = -ENODEV; | |
511 | goto out_unlock; | |
512 | } | |
67748893 JB |
513 | } |
514 | ||
67748893 | 515 | return 0; |
97990a06 | 516 | out_unlock: |
67748893 JB |
517 | rtnl_unlock(); |
518 | return err; | |
519 | } | |
520 | ||
97990a06 | 521 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 522 | { |
67748893 JB |
523 | rtnl_unlock(); |
524 | } | |
525 | ||
f4a11bb0 JB |
526 | /* IE validation */ |
527 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
528 | { | |
529 | const u8 *pos; | |
530 | int len; | |
531 | ||
532 | if (!attr) | |
533 | return true; | |
534 | ||
535 | pos = nla_data(attr); | |
536 | len = nla_len(attr); | |
537 | ||
538 | while (len) { | |
539 | u8 elemlen; | |
540 | ||
541 | if (len < 2) | |
542 | return false; | |
543 | len -= 2; | |
544 | ||
545 | elemlen = pos[1]; | |
546 | if (elemlen > len) | |
547 | return false; | |
548 | ||
549 | len -= elemlen; | |
550 | pos += 2 + elemlen; | |
551 | } | |
552 | ||
553 | return true; | |
554 | } | |
555 | ||
55682965 | 556 | /* message building helper */ |
15e47304 | 557 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
558 | int flags, u8 cmd) |
559 | { | |
560 | /* since there is no private header just add the generic one */ | |
15e47304 | 561 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
562 | } |
563 | ||
5dab3b8a | 564 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
565 | struct ieee80211_channel *chan, |
566 | bool large) | |
5dab3b8a | 567 | { |
9360ffd1 DM |
568 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
569 | chan->center_freq)) | |
570 | goto nla_put_failure; | |
5dab3b8a | 571 | |
9360ffd1 DM |
572 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
573 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
574 | goto nla_put_failure; | |
8fe02e16 LR |
575 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
576 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
577 | goto nla_put_failure; | |
578 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
579 | goto nla_put_failure; | |
580 | } | |
cdc89b97 JB |
581 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
582 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
583 | goto nla_put_failure; | |
584 | if (large) { | |
585 | u32 time; | |
586 | ||
587 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
588 | ||
589 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
590 | chan->dfs_state)) | |
591 | goto nla_put_failure; | |
592 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
593 | time)) | |
594 | goto nla_put_failure; | |
595 | } | |
596 | } | |
5dab3b8a | 597 | |
fe1abafd JB |
598 | if (large) { |
599 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
600 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
601 | goto nla_put_failure; | |
602 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
603 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
604 | goto nla_put_failure; | |
605 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
606 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
607 | goto nla_put_failure; | |
608 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
609 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
610 | goto nla_put_failure; | |
611 | } | |
612 | ||
9360ffd1 DM |
613 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
614 | DBM_TO_MBM(chan->max_power))) | |
615 | goto nla_put_failure; | |
5dab3b8a LR |
616 | |
617 | return 0; | |
618 | ||
619 | nla_put_failure: | |
620 | return -ENOBUFS; | |
621 | } | |
622 | ||
55682965 JB |
623 | /* netlink command implementations */ |
624 | ||
b9454e83 JB |
625 | struct key_parse { |
626 | struct key_params p; | |
627 | int idx; | |
e31b8213 | 628 | int type; |
b9454e83 | 629 | bool def, defmgmt; |
dbd2fd65 | 630 | bool def_uni, def_multi; |
b9454e83 JB |
631 | }; |
632 | ||
633 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
634 | { | |
635 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
636 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
637 | nl80211_key_policy); | |
638 | if (err) | |
639 | return err; | |
640 | ||
641 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
642 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
643 | ||
dbd2fd65 JB |
644 | if (k->def) { |
645 | k->def_uni = true; | |
646 | k->def_multi = true; | |
647 | } | |
648 | if (k->defmgmt) | |
649 | k->def_multi = true; | |
650 | ||
b9454e83 JB |
651 | if (tb[NL80211_KEY_IDX]) |
652 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
653 | ||
654 | if (tb[NL80211_KEY_DATA]) { | |
655 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
656 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
657 | } | |
658 | ||
659 | if (tb[NL80211_KEY_SEQ]) { | |
660 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
661 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
662 | } | |
663 | ||
664 | if (tb[NL80211_KEY_CIPHER]) | |
665 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
666 | ||
e31b8213 JB |
667 | if (tb[NL80211_KEY_TYPE]) { |
668 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
669 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
670 | return -EINVAL; | |
671 | } | |
672 | ||
dbd2fd65 JB |
673 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
674 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
675 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
676 | tb[NL80211_KEY_DEFAULT_TYPES], | |
677 | nl80211_key_default_policy); | |
dbd2fd65 JB |
678 | if (err) |
679 | return err; | |
680 | ||
681 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
682 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
683 | } | |
684 | ||
b9454e83 JB |
685 | return 0; |
686 | } | |
687 | ||
688 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
689 | { | |
690 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
691 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
692 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
693 | } | |
694 | ||
695 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
696 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
697 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
698 | } | |
699 | ||
700 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
701 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
702 | ||
703 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
704 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
705 | ||
706 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
707 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
708 | ||
dbd2fd65 JB |
709 | if (k->def) { |
710 | k->def_uni = true; | |
711 | k->def_multi = true; | |
712 | } | |
713 | if (k->defmgmt) | |
714 | k->def_multi = true; | |
715 | ||
e31b8213 JB |
716 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
717 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
718 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
719 | return -EINVAL; | |
720 | } | |
721 | ||
dbd2fd65 JB |
722 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
723 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
724 | int err = nla_parse_nested( | |
725 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
726 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
727 | nl80211_key_default_policy); | |
728 | if (err) | |
729 | return err; | |
730 | ||
731 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
732 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
733 | } | |
734 | ||
b9454e83 JB |
735 | return 0; |
736 | } | |
737 | ||
738 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
739 | { | |
740 | int err; | |
741 | ||
742 | memset(k, 0, sizeof(*k)); | |
743 | k->idx = -1; | |
e31b8213 | 744 | k->type = -1; |
b9454e83 JB |
745 | |
746 | if (info->attrs[NL80211_ATTR_KEY]) | |
747 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
748 | else | |
749 | err = nl80211_parse_key_old(info, k); | |
750 | ||
751 | if (err) | |
752 | return err; | |
753 | ||
754 | if (k->def && k->defmgmt) | |
755 | return -EINVAL; | |
756 | ||
dbd2fd65 JB |
757 | if (k->defmgmt) { |
758 | if (k->def_uni || !k->def_multi) | |
759 | return -EINVAL; | |
760 | } | |
761 | ||
b9454e83 JB |
762 | if (k->idx != -1) { |
763 | if (k->defmgmt) { | |
764 | if (k->idx < 4 || k->idx > 5) | |
765 | return -EINVAL; | |
766 | } else if (k->def) { | |
767 | if (k->idx < 0 || k->idx > 3) | |
768 | return -EINVAL; | |
769 | } else { | |
770 | if (k->idx < 0 || k->idx > 5) | |
771 | return -EINVAL; | |
772 | } | |
773 | } | |
774 | ||
775 | return 0; | |
776 | } | |
777 | ||
fffd0934 JB |
778 | static struct cfg80211_cached_keys * |
779 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 780 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
781 | { |
782 | struct key_parse parse; | |
783 | struct nlattr *key; | |
784 | struct cfg80211_cached_keys *result; | |
785 | int rem, err, def = 0; | |
786 | ||
787 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
788 | if (!result) | |
789 | return ERR_PTR(-ENOMEM); | |
790 | ||
791 | result->def = -1; | |
792 | result->defmgmt = -1; | |
793 | ||
794 | nla_for_each_nested(key, keys, rem) { | |
795 | memset(&parse, 0, sizeof(parse)); | |
796 | parse.idx = -1; | |
797 | ||
798 | err = nl80211_parse_key_new(key, &parse); | |
799 | if (err) | |
800 | goto error; | |
801 | err = -EINVAL; | |
802 | if (!parse.p.key) | |
803 | goto error; | |
804 | if (parse.idx < 0 || parse.idx > 4) | |
805 | goto error; | |
806 | if (parse.def) { | |
807 | if (def) | |
808 | goto error; | |
809 | def = 1; | |
810 | result->def = parse.idx; | |
dbd2fd65 JB |
811 | if (!parse.def_uni || !parse.def_multi) |
812 | goto error; | |
fffd0934 JB |
813 | } else if (parse.defmgmt) |
814 | goto error; | |
815 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 816 | parse.idx, false, NULL); |
fffd0934 JB |
817 | if (err) |
818 | goto error; | |
819 | result->params[parse.idx].cipher = parse.p.cipher; | |
820 | result->params[parse.idx].key_len = parse.p.key_len; | |
821 | result->params[parse.idx].key = result->data[parse.idx]; | |
822 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
823 | |
824 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
825 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
826 | if (no_ht) | |
827 | *no_ht = true; | |
828 | } | |
fffd0934 JB |
829 | } |
830 | ||
831 | return result; | |
832 | error: | |
833 | kfree(result); | |
834 | return ERR_PTR(err); | |
835 | } | |
836 | ||
837 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
838 | { | |
839 | ASSERT_WDEV_LOCK(wdev); | |
840 | ||
fffd0934 JB |
841 | switch (wdev->iftype) { |
842 | case NL80211_IFTYPE_AP: | |
843 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 844 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 845 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
846 | break; |
847 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 848 | case NL80211_IFTYPE_STATION: |
074ac8df | 849 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 850 | if (!wdev->current_bss) |
fffd0934 JB |
851 | return -ENOLINK; |
852 | break; | |
853 | default: | |
854 | return -EINVAL; | |
855 | } | |
856 | ||
857 | return 0; | |
858 | } | |
859 | ||
7527a782 JB |
860 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
861 | { | |
862 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
863 | int i; | |
864 | ||
865 | if (!nl_modes) | |
866 | goto nla_put_failure; | |
867 | ||
868 | i = 0; | |
869 | while (ifmodes) { | |
9360ffd1 DM |
870 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
871 | goto nla_put_failure; | |
7527a782 JB |
872 | ifmodes >>= 1; |
873 | i++; | |
874 | } | |
875 | ||
876 | nla_nest_end(msg, nl_modes); | |
877 | return 0; | |
878 | ||
879 | nla_put_failure: | |
880 | return -ENOBUFS; | |
881 | } | |
882 | ||
883 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
884 | struct sk_buff *msg, |
885 | bool large) | |
7527a782 JB |
886 | { |
887 | struct nlattr *nl_combis; | |
888 | int i, j; | |
889 | ||
890 | nl_combis = nla_nest_start(msg, | |
891 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
892 | if (!nl_combis) | |
893 | goto nla_put_failure; | |
894 | ||
895 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
896 | const struct ieee80211_iface_combination *c; | |
897 | struct nlattr *nl_combi, *nl_limits; | |
898 | ||
899 | c = &wiphy->iface_combinations[i]; | |
900 | ||
901 | nl_combi = nla_nest_start(msg, i + 1); | |
902 | if (!nl_combi) | |
903 | goto nla_put_failure; | |
904 | ||
905 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
906 | if (!nl_limits) | |
907 | goto nla_put_failure; | |
908 | ||
909 | for (j = 0; j < c->n_limits; j++) { | |
910 | struct nlattr *nl_limit; | |
911 | ||
912 | nl_limit = nla_nest_start(msg, j + 1); | |
913 | if (!nl_limit) | |
914 | goto nla_put_failure; | |
9360ffd1 DM |
915 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
916 | c->limits[j].max)) | |
917 | goto nla_put_failure; | |
7527a782 JB |
918 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
919 | c->limits[j].types)) | |
920 | goto nla_put_failure; | |
921 | nla_nest_end(msg, nl_limit); | |
922 | } | |
923 | ||
924 | nla_nest_end(msg, nl_limits); | |
925 | ||
9360ffd1 DM |
926 | if (c->beacon_int_infra_match && |
927 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
928 | goto nla_put_failure; | |
929 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
930 | c->num_different_channels) || | |
931 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
932 | c->max_interfaces)) | |
933 | goto nla_put_failure; | |
cdc89b97 JB |
934 | if (large && |
935 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, | |
936 | c->radar_detect_widths)) | |
937 | goto nla_put_failure; | |
7527a782 JB |
938 | |
939 | nla_nest_end(msg, nl_combi); | |
940 | } | |
941 | ||
942 | nla_nest_end(msg, nl_combis); | |
943 | ||
944 | return 0; | |
945 | nla_put_failure: | |
946 | return -ENOBUFS; | |
947 | } | |
948 | ||
3713b4e3 | 949 | #ifdef CONFIG_PM |
b56cf720 JB |
950 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
951 | struct sk_buff *msg) | |
952 | { | |
964dc9e2 | 953 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
954 | struct nlattr *nl_tcp; |
955 | ||
956 | if (!tcp) | |
957 | return 0; | |
958 | ||
959 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
960 | if (!nl_tcp) | |
961 | return -ENOBUFS; | |
962 | ||
963 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
964 | tcp->data_payload_max)) | |
965 | return -ENOBUFS; | |
966 | ||
967 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
968 | tcp->data_payload_max)) | |
969 | return -ENOBUFS; | |
970 | ||
971 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
972 | return -ENOBUFS; | |
973 | ||
974 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
975 | sizeof(*tcp->tok), tcp->tok)) | |
976 | return -ENOBUFS; | |
977 | ||
978 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
979 | tcp->data_interval_max)) | |
980 | return -ENOBUFS; | |
981 | ||
982 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
983 | tcp->wake_payload_max)) | |
984 | return -ENOBUFS; | |
985 | ||
986 | nla_nest_end(msg, nl_tcp); | |
987 | return 0; | |
988 | } | |
989 | ||
3713b4e3 | 990 | static int nl80211_send_wowlan(struct sk_buff *msg, |
b56cf720 JB |
991 | struct cfg80211_registered_device *dev, |
992 | bool large) | |
55682965 | 993 | { |
3713b4e3 | 994 | struct nlattr *nl_wowlan; |
55682965 | 995 | |
964dc9e2 | 996 | if (!dev->wiphy.wowlan) |
3713b4e3 | 997 | return 0; |
55682965 | 998 | |
3713b4e3 JB |
999 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1000 | if (!nl_wowlan) | |
1001 | return -ENOBUFS; | |
9360ffd1 | 1002 | |
964dc9e2 | 1003 | if (((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1004 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
964dc9e2 | 1005 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1006 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
964dc9e2 | 1007 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1008 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
964dc9e2 | 1009 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1010 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
964dc9e2 | 1011 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1012 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
964dc9e2 | 1013 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1014 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
964dc9e2 | 1015 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1016 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
964dc9e2 | 1017 | ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1018 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1019 | return -ENOBUFS; | |
9360ffd1 | 1020 | |
964dc9e2 | 1021 | if (dev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1022 | struct nl80211_pattern_support pat = { |
964dc9e2 JB |
1023 | .max_patterns = dev->wiphy.wowlan->n_patterns, |
1024 | .min_pattern_len = dev->wiphy.wowlan->pattern_min_len, | |
1025 | .max_pattern_len = dev->wiphy.wowlan->pattern_max_len, | |
1026 | .max_pkt_offset = dev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1027 | }; |
9360ffd1 | 1028 | |
3713b4e3 JB |
1029 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1030 | sizeof(pat), &pat)) | |
1031 | return -ENOBUFS; | |
1032 | } | |
9360ffd1 | 1033 | |
b56cf720 JB |
1034 | if (large && nl80211_send_wowlan_tcp_caps(dev, msg)) |
1035 | return -ENOBUFS; | |
1036 | ||
3713b4e3 | 1037 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1038 | |
3713b4e3 JB |
1039 | return 0; |
1040 | } | |
1041 | #endif | |
9360ffd1 | 1042 | |
be29b99a AK |
1043 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1044 | struct cfg80211_registered_device *dev) | |
1045 | { | |
1046 | struct nl80211_coalesce_rule_support rule; | |
1047 | ||
1048 | if (!dev->wiphy.coalesce) | |
1049 | return 0; | |
1050 | ||
1051 | rule.max_rules = dev->wiphy.coalesce->n_rules; | |
1052 | rule.max_delay = dev->wiphy.coalesce->max_delay; | |
1053 | rule.pat.max_patterns = dev->wiphy.coalesce->n_patterns; | |
1054 | rule.pat.min_pattern_len = dev->wiphy.coalesce->pattern_min_len; | |
1055 | rule.pat.max_pattern_len = dev->wiphy.coalesce->pattern_max_len; | |
1056 | rule.pat.max_pkt_offset = dev->wiphy.coalesce->max_pkt_offset; | |
1057 | ||
1058 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1059 | return -ENOBUFS; | |
1060 | ||
1061 | return 0; | |
1062 | } | |
1063 | ||
3713b4e3 JB |
1064 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1065 | struct ieee80211_supported_band *sband) | |
1066 | { | |
1067 | struct nlattr *nl_rates, *nl_rate; | |
1068 | struct ieee80211_rate *rate; | |
1069 | int i; | |
87bbbe22 | 1070 | |
3713b4e3 JB |
1071 | /* add HT info */ |
1072 | if (sband->ht_cap.ht_supported && | |
1073 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1074 | sizeof(sband->ht_cap.mcs), | |
1075 | &sband->ht_cap.mcs) || | |
1076 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1077 | sband->ht_cap.cap) || | |
1078 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1079 | sband->ht_cap.ampdu_factor) || | |
1080 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1081 | sband->ht_cap.ampdu_density))) | |
1082 | return -ENOBUFS; | |
afe0cbf8 | 1083 | |
3713b4e3 JB |
1084 | /* add VHT info */ |
1085 | if (sband->vht_cap.vht_supported && | |
1086 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1087 | sizeof(sband->vht_cap.vht_mcs), | |
1088 | &sband->vht_cap.vht_mcs) || | |
1089 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1090 | sband->vht_cap.cap))) | |
1091 | return -ENOBUFS; | |
f59ac048 | 1092 | |
3713b4e3 JB |
1093 | /* add bitrates */ |
1094 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1095 | if (!nl_rates) | |
1096 | return -ENOBUFS; | |
ee688b00 | 1097 | |
3713b4e3 JB |
1098 | for (i = 0; i < sband->n_bitrates; i++) { |
1099 | nl_rate = nla_nest_start(msg, i); | |
1100 | if (!nl_rate) | |
1101 | return -ENOBUFS; | |
ee688b00 | 1102 | |
3713b4e3 JB |
1103 | rate = &sband->bitrates[i]; |
1104 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1105 | rate->bitrate)) | |
1106 | return -ENOBUFS; | |
1107 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1108 | nla_put_flag(msg, | |
1109 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1110 | return -ENOBUFS; | |
ee688b00 | 1111 | |
3713b4e3 JB |
1112 | nla_nest_end(msg, nl_rate); |
1113 | } | |
d51626df | 1114 | |
3713b4e3 | 1115 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1116 | |
3713b4e3 JB |
1117 | return 0; |
1118 | } | |
ee688b00 | 1119 | |
3713b4e3 JB |
1120 | static int |
1121 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1122 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1123 | { | |
1124 | u16 stypes; | |
1125 | struct nlattr *nl_ftypes, *nl_ifs; | |
1126 | enum nl80211_iftype ift; | |
1127 | int i; | |
ee688b00 | 1128 | |
3713b4e3 JB |
1129 | if (!mgmt_stypes) |
1130 | return 0; | |
5dab3b8a | 1131 | |
3713b4e3 JB |
1132 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1133 | if (!nl_ifs) | |
1134 | return -ENOBUFS; | |
e2f367f2 | 1135 | |
3713b4e3 JB |
1136 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1137 | nl_ftypes = nla_nest_start(msg, ift); | |
1138 | if (!nl_ftypes) | |
1139 | return -ENOBUFS; | |
1140 | i = 0; | |
1141 | stypes = mgmt_stypes[ift].tx; | |
1142 | while (stypes) { | |
1143 | if ((stypes & 1) && | |
1144 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1145 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1146 | return -ENOBUFS; | |
1147 | stypes >>= 1; | |
1148 | i++; | |
ee688b00 | 1149 | } |
3713b4e3 JB |
1150 | nla_nest_end(msg, nl_ftypes); |
1151 | } | |
ee688b00 | 1152 | |
3713b4e3 | 1153 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1154 | |
3713b4e3 JB |
1155 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1156 | if (!nl_ifs) | |
1157 | return -ENOBUFS; | |
ee688b00 | 1158 | |
3713b4e3 JB |
1159 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1160 | nl_ftypes = nla_nest_start(msg, ift); | |
1161 | if (!nl_ftypes) | |
1162 | return -ENOBUFS; | |
1163 | i = 0; | |
1164 | stypes = mgmt_stypes[ift].rx; | |
1165 | while (stypes) { | |
1166 | if ((stypes & 1) && | |
1167 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1168 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1169 | return -ENOBUFS; | |
1170 | stypes >>= 1; | |
1171 | i++; | |
1172 | } | |
1173 | nla_nest_end(msg, nl_ftypes); | |
1174 | } | |
1175 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1176 | |
3713b4e3 JB |
1177 | return 0; |
1178 | } | |
ee688b00 | 1179 | |
86e8cf98 JB |
1180 | struct nl80211_dump_wiphy_state { |
1181 | s64 filter_wiphy; | |
1182 | long start; | |
1183 | long split_start, band_start, chan_start; | |
1184 | bool split; | |
1185 | }; | |
1186 | ||
3713b4e3 JB |
1187 | static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, |
1188 | struct sk_buff *msg, u32 portid, u32 seq, | |
86e8cf98 | 1189 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1190 | { |
1191 | void *hdr; | |
1192 | struct nlattr *nl_bands, *nl_band; | |
1193 | struct nlattr *nl_freqs, *nl_freq; | |
1194 | struct nlattr *nl_cmds; | |
1195 | enum ieee80211_band band; | |
1196 | struct ieee80211_channel *chan; | |
1197 | int i; | |
1198 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1199 | dev->wiphy.mgmt_stypes; | |
fe1abafd | 1200 | u32 features; |
ee688b00 | 1201 | |
3713b4e3 JB |
1202 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); |
1203 | if (!hdr) | |
1204 | return -ENOBUFS; | |
ee688b00 | 1205 | |
86e8cf98 JB |
1206 | if (WARN_ON(!state)) |
1207 | return -EINVAL; | |
ee688b00 | 1208 | |
3713b4e3 JB |
1209 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) || |
1210 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, | |
1211 | wiphy_name(&dev->wiphy)) || | |
1212 | nla_put_u32(msg, NL80211_ATTR_GENERATION, | |
1213 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1214 | goto nla_put_failure; |
1215 | ||
86e8cf98 | 1216 | switch (state->split_start) { |
3713b4e3 JB |
1217 | case 0: |
1218 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1219 | dev->wiphy.retry_short) || | |
1220 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, | |
1221 | dev->wiphy.retry_long) || | |
1222 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, | |
1223 | dev->wiphy.frag_threshold) || | |
1224 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, | |
1225 | dev->wiphy.rts_threshold) || | |
1226 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, | |
1227 | dev->wiphy.coverage_class) || | |
1228 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, | |
1229 | dev->wiphy.max_scan_ssids) || | |
1230 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, | |
1231 | dev->wiphy.max_sched_scan_ssids) || | |
1232 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, | |
1233 | dev->wiphy.max_scan_ie_len) || | |
1234 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, | |
1235 | dev->wiphy.max_sched_scan_ie_len) || | |
1236 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, | |
1237 | dev->wiphy.max_match_sets)) | |
9360ffd1 | 1238 | goto nla_put_failure; |
3713b4e3 JB |
1239 | |
1240 | if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && | |
1241 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) | |
aa430da4 | 1242 | goto nla_put_failure; |
3713b4e3 JB |
1243 | if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
1244 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) | |
1245 | goto nla_put_failure; | |
1246 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && | |
1247 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) | |
1248 | goto nla_put_failure; | |
1249 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && | |
1250 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) | |
1251 | goto nla_put_failure; | |
1252 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && | |
1253 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) | |
1254 | goto nla_put_failure; | |
1255 | if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && | |
1256 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) | |
9360ffd1 | 1257 | goto nla_put_failure; |
86e8cf98 JB |
1258 | state->split_start++; |
1259 | if (state->split) | |
3713b4e3 JB |
1260 | break; |
1261 | case 1: | |
1262 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1263 | sizeof(u32) * dev->wiphy.n_cipher_suites, | |
1264 | dev->wiphy.cipher_suites)) | |
1265 | goto nla_put_failure; | |
4745fc09 | 1266 | |
3713b4e3 JB |
1267 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1268 | dev->wiphy.max_num_pmkids)) | |
1269 | goto nla_put_failure; | |
b23aa676 | 1270 | |
3713b4e3 JB |
1271 | if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
1272 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) | |
9360ffd1 | 1273 | goto nla_put_failure; |
b23aa676 | 1274 | |
3713b4e3 JB |
1275 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1276 | dev->wiphy.available_antennas_tx) || | |
1277 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, | |
1278 | dev->wiphy.available_antennas_rx)) | |
9360ffd1 | 1279 | goto nla_put_failure; |
b23aa676 | 1280 | |
3713b4e3 JB |
1281 | if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
1282 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, | |
1283 | dev->wiphy.probe_resp_offload)) | |
1284 | goto nla_put_failure; | |
8fdc621d | 1285 | |
3713b4e3 JB |
1286 | if ((dev->wiphy.available_antennas_tx || |
1287 | dev->wiphy.available_antennas_rx) && | |
1288 | dev->ops->get_antenna) { | |
1289 | u32 tx_ant = 0, rx_ant = 0; | |
1290 | int res; | |
1291 | res = rdev_get_antenna(dev, &tx_ant, &rx_ant); | |
1292 | if (!res) { | |
1293 | if (nla_put_u32(msg, | |
1294 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1295 | tx_ant) || | |
1296 | nla_put_u32(msg, | |
1297 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1298 | rx_ant)) | |
1299 | goto nla_put_failure; | |
1300 | } | |
1301 | } | |
a293911d | 1302 | |
86e8cf98 JB |
1303 | state->split_start++; |
1304 | if (state->split) | |
3713b4e3 JB |
1305 | break; |
1306 | case 2: | |
1307 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1308 | dev->wiphy.interface_modes)) | |
1309 | goto nla_put_failure; | |
86e8cf98 JB |
1310 | state->split_start++; |
1311 | if (state->split) | |
3713b4e3 JB |
1312 | break; |
1313 | case 3: | |
1314 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1315 | if (!nl_bands) | |
1316 | goto nla_put_failure; | |
f7ca38df | 1317 | |
86e8cf98 JB |
1318 | for (band = state->band_start; |
1319 | band < IEEE80211_NUM_BANDS; band++) { | |
3713b4e3 | 1320 | struct ieee80211_supported_band *sband; |
2e161f78 | 1321 | |
3713b4e3 | 1322 | sband = dev->wiphy.bands[band]; |
2e161f78 | 1323 | |
3713b4e3 JB |
1324 | if (!sband) |
1325 | continue; | |
1326 | ||
1327 | nl_band = nla_nest_start(msg, band); | |
1328 | if (!nl_band) | |
2e161f78 | 1329 | goto nla_put_failure; |
3713b4e3 | 1330 | |
86e8cf98 | 1331 | switch (state->chan_start) { |
3713b4e3 JB |
1332 | case 0: |
1333 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1334 | goto nla_put_failure; |
86e8cf98 JB |
1335 | state->chan_start++; |
1336 | if (state->split) | |
3713b4e3 JB |
1337 | break; |
1338 | default: | |
1339 | /* add frequencies */ | |
1340 | nl_freqs = nla_nest_start( | |
1341 | msg, NL80211_BAND_ATTR_FREQS); | |
1342 | if (!nl_freqs) | |
1343 | goto nla_put_failure; | |
1344 | ||
86e8cf98 | 1345 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1346 | i < sband->n_channels; |
1347 | i++) { | |
1348 | nl_freq = nla_nest_start(msg, i); | |
1349 | if (!nl_freq) | |
1350 | goto nla_put_failure; | |
1351 | ||
1352 | chan = &sband->channels[i]; | |
1353 | ||
86e8cf98 JB |
1354 | if (nl80211_msg_put_channel( |
1355 | msg, chan, | |
1356 | state->split)) | |
3713b4e3 JB |
1357 | goto nla_put_failure; |
1358 | ||
1359 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1360 | if (state->split) |
3713b4e3 JB |
1361 | break; |
1362 | } | |
1363 | if (i < sband->n_channels) | |
86e8cf98 | 1364 | state->chan_start = i + 2; |
3713b4e3 | 1365 | else |
86e8cf98 | 1366 | state->chan_start = 0; |
3713b4e3 JB |
1367 | nla_nest_end(msg, nl_freqs); |
1368 | } | |
1369 | ||
1370 | nla_nest_end(msg, nl_band); | |
1371 | ||
86e8cf98 | 1372 | if (state->split) { |
3713b4e3 | 1373 | /* start again here */ |
86e8cf98 | 1374 | if (state->chan_start) |
3713b4e3 JB |
1375 | band--; |
1376 | break; | |
2e161f78 | 1377 | } |
2e161f78 | 1378 | } |
3713b4e3 | 1379 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1380 | |
3713b4e3 | 1381 | if (band < IEEE80211_NUM_BANDS) |
86e8cf98 | 1382 | state->band_start = band + 1; |
3713b4e3 | 1383 | else |
86e8cf98 | 1384 | state->band_start = 0; |
74b70a4e | 1385 | |
3713b4e3 | 1386 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1387 | if (state->band_start == 0 && state->chan_start == 0) |
1388 | state->split_start++; | |
1389 | if (state->split) | |
3713b4e3 JB |
1390 | break; |
1391 | case 4: | |
1392 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1393 | if (!nl_cmds) | |
2e161f78 JB |
1394 | goto nla_put_failure; |
1395 | ||
3713b4e3 JB |
1396 | i = 0; |
1397 | #define CMD(op, n) \ | |
1398 | do { \ | |
1399 | if (dev->ops->op) { \ | |
1400 | i++; \ | |
1401 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1402 | goto nla_put_failure; \ | |
1403 | } \ | |
1404 | } while (0) | |
1405 | ||
1406 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1407 | CMD(change_virtual_intf, SET_INTERFACE); | |
1408 | CMD(add_key, NEW_KEY); | |
1409 | CMD(start_ap, START_AP); | |
1410 | CMD(add_station, NEW_STATION); | |
1411 | CMD(add_mpath, NEW_MPATH); | |
1412 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1413 | CMD(change_bss, SET_BSS); | |
1414 | CMD(auth, AUTHENTICATE); | |
1415 | CMD(assoc, ASSOCIATE); | |
1416 | CMD(deauth, DEAUTHENTICATE); | |
1417 | CMD(disassoc, DISASSOCIATE); | |
1418 | CMD(join_ibss, JOIN_IBSS); | |
1419 | CMD(join_mesh, JOIN_MESH); | |
1420 | CMD(set_pmksa, SET_PMKSA); | |
1421 | CMD(del_pmksa, DEL_PMKSA); | |
1422 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1423 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1424 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1425 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1426 | CMD(mgmt_tx, FRAME); | |
1427 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1428 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1429 | i++; | |
1430 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1431 | goto nla_put_failure; |
2e161f78 | 1432 | } |
3713b4e3 JB |
1433 | if (dev->ops->set_monitor_channel || dev->ops->start_ap || |
1434 | dev->ops->join_mesh) { | |
1435 | i++; | |
1436 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1437 | goto nla_put_failure; | |
1438 | } | |
1439 | CMD(set_wds_peer, SET_WDS_PEER); | |
1440 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1441 | CMD(tdls_mgmt, TDLS_MGMT); | |
1442 | CMD(tdls_oper, TDLS_OPER); | |
1443 | } | |
1444 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
1445 | CMD(sched_scan_start, START_SCHED_SCAN); | |
1446 | CMD(probe_client, PROBE_CLIENT); | |
1447 | CMD(set_noack_map, SET_NOACK_MAP); | |
1448 | if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1449 | i++; | |
1450 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1451 | goto nla_put_failure; | |
1452 | } | |
1453 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1454 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
86e8cf98 | 1455 | if (state->split) { |
5de17984 AS |
1456 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1457 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
16ef1fe2 SW |
1458 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
1459 | CMD(channel_switch, CHANNEL_SWITCH); | |
5de17984 | 1460 | } |
fa9ffc74 | 1461 | CMD(set_qos_map, SET_QOS_MAP); |
2e161f78 | 1462 | |
3713b4e3 JB |
1463 | #ifdef CONFIG_NL80211_TESTMODE |
1464 | CMD(testmode_cmd, TESTMODE); | |
1465 | #endif | |
ff1b6e69 | 1466 | |
3713b4e3 | 1467 | #undef CMD |
ff1b6e69 | 1468 | |
3713b4e3 JB |
1469 | if (dev->ops->connect || dev->ops->auth) { |
1470 | i++; | |
1471 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1472 | goto nla_put_failure; |
ff1b6e69 JB |
1473 | } |
1474 | ||
3713b4e3 JB |
1475 | if (dev->ops->disconnect || dev->ops->deauth) { |
1476 | i++; | |
1477 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1478 | goto nla_put_failure; | |
1479 | } | |
1480 | ||
1481 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1482 | state->split_start++; |
1483 | if (state->split) | |
3713b4e3 JB |
1484 | break; |
1485 | case 5: | |
1486 | if (dev->ops->remain_on_channel && | |
1487 | (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
1488 | nla_put_u32(msg, | |
1489 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1490 | dev->wiphy.max_remain_on_channel_duration)) | |
1491 | goto nla_put_failure; | |
1492 | ||
1493 | if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && | |
1494 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) | |
1495 | goto nla_put_failure; | |
1496 | ||
1497 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1498 | goto nla_put_failure; | |
86e8cf98 JB |
1499 | state->split_start++; |
1500 | if (state->split) | |
3713b4e3 JB |
1501 | break; |
1502 | case 6: | |
1503 | #ifdef CONFIG_PM | |
86e8cf98 | 1504 | if (nl80211_send_wowlan(msg, dev, state->split)) |
3713b4e3 | 1505 | goto nla_put_failure; |
86e8cf98 JB |
1506 | state->split_start++; |
1507 | if (state->split) | |
3713b4e3 JB |
1508 | break; |
1509 | #else | |
86e8cf98 | 1510 | state->split_start++; |
dfb89c56 | 1511 | #endif |
3713b4e3 JB |
1512 | case 7: |
1513 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1514 | dev->wiphy.software_iftypes)) | |
1515 | goto nla_put_failure; | |
ff1b6e69 | 1516 | |
86e8cf98 JB |
1517 | if (nl80211_put_iface_combinations(&dev->wiphy, msg, |
1518 | state->split)) | |
3713b4e3 | 1519 | goto nla_put_failure; |
7527a782 | 1520 | |
86e8cf98 JB |
1521 | state->split_start++; |
1522 | if (state->split) | |
3713b4e3 JB |
1523 | break; |
1524 | case 8: | |
1525 | if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && | |
1526 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, | |
1527 | dev->wiphy.ap_sme_capa)) | |
1528 | goto nla_put_failure; | |
7527a782 | 1529 | |
fe1abafd JB |
1530 | features = dev->wiphy.features; |
1531 | /* | |
1532 | * We can only add the per-channel limit information if the | |
1533 | * dump is split, otherwise it makes it too big. Therefore | |
1534 | * only advertise it in that case. | |
1535 | */ | |
86e8cf98 | 1536 | if (state->split) |
fe1abafd JB |
1537 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1538 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1539 | goto nla_put_failure; |
562a7480 | 1540 | |
3713b4e3 JB |
1541 | if (dev->wiphy.ht_capa_mod_mask && |
1542 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, | |
1543 | sizeof(*dev->wiphy.ht_capa_mod_mask), | |
1544 | dev->wiphy.ht_capa_mod_mask)) | |
1545 | goto nla_put_failure; | |
1f074bd8 | 1546 | |
3713b4e3 JB |
1547 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1548 | dev->wiphy.max_acl_mac_addrs && | |
1549 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, | |
1550 | dev->wiphy.max_acl_mac_addrs)) | |
1551 | goto nla_put_failure; | |
7e7c8926 | 1552 | |
3713b4e3 JB |
1553 | /* |
1554 | * Any information below this point is only available to | |
1555 | * applications that can deal with it being split. This | |
1556 | * helps ensure that newly added capabilities don't break | |
1557 | * older tools by overrunning their buffers. | |
1558 | * | |
1559 | * We still increment split_start so that in the split | |
1560 | * case we'll continue with more data in the next round, | |
1561 | * but break unconditionally so unsplit data stops here. | |
1562 | */ | |
86e8cf98 | 1563 | state->split_start++; |
3713b4e3 JB |
1564 | break; |
1565 | case 9: | |
fe1abafd JB |
1566 | if (dev->wiphy.extended_capabilities && |
1567 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1568 | dev->wiphy.extended_capabilities_len, | |
1569 | dev->wiphy.extended_capabilities) || | |
1570 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1571 | dev->wiphy.extended_capabilities_len, | |
1572 | dev->wiphy.extended_capabilities_mask))) | |
1573 | goto nla_put_failure; | |
a50df0c4 | 1574 | |
ee2aca34 JB |
1575 | if (dev->wiphy.vht_capa_mod_mask && |
1576 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, | |
1577 | sizeof(*dev->wiphy.vht_capa_mod_mask), | |
1578 | dev->wiphy.vht_capa_mod_mask)) | |
1579 | goto nla_put_failure; | |
1580 | ||
be29b99a AK |
1581 | state->split_start++; |
1582 | break; | |
1583 | case 10: | |
1584 | if (nl80211_send_coalesce(msg, dev)) | |
1585 | goto nla_put_failure; | |
1586 | ||
01e0daa4 FF |
1587 | if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
1588 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || | |
1589 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1590 | goto nla_put_failure; | |
ad7e718c JB |
1591 | state->split_start++; |
1592 | break; | |
1593 | case 11: | |
567ffc35 JB |
1594 | if (dev->wiphy.n_vendor_commands) { |
1595 | const struct nl80211_vendor_cmd_info *info; | |
1596 | struct nlattr *nested; | |
1597 | ||
1598 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1599 | if (!nested) | |
1600 | goto nla_put_failure; | |
1601 | ||
1602 | for (i = 0; i < dev->wiphy.n_vendor_commands; i++) { | |
1603 | info = &dev->wiphy.vendor_commands[i].info; | |
1604 | if (nla_put(msg, i + 1, sizeof(*info), info)) | |
1605 | goto nla_put_failure; | |
1606 | } | |
1607 | nla_nest_end(msg, nested); | |
1608 | } | |
1609 | ||
1610 | if (dev->wiphy.n_vendor_events) { | |
1611 | const struct nl80211_vendor_cmd_info *info; | |
1612 | struct nlattr *nested; | |
ad7e718c | 1613 | |
567ffc35 JB |
1614 | nested = nla_nest_start(msg, |
1615 | NL80211_ATTR_VENDOR_EVENTS); | |
1616 | if (!nested) | |
ad7e718c | 1617 | goto nla_put_failure; |
567ffc35 JB |
1618 | |
1619 | for (i = 0; i < dev->wiphy.n_vendor_events; i++) { | |
1620 | info = &dev->wiphy.vendor_events[i]; | |
1621 | if (nla_put(msg, i + 1, sizeof(*info), info)) | |
1622 | goto nla_put_failure; | |
1623 | } | |
1624 | nla_nest_end(msg, nested); | |
1625 | } | |
01e0daa4 | 1626 | |
3713b4e3 | 1627 | /* done */ |
86e8cf98 | 1628 | state->split_start = 0; |
3713b4e3 JB |
1629 | break; |
1630 | } | |
55682965 JB |
1631 | return genlmsg_end(msg, hdr); |
1632 | ||
1633 | nla_put_failure: | |
bc3ed28c TG |
1634 | genlmsg_cancel(msg, hdr); |
1635 | return -EMSGSIZE; | |
55682965 JB |
1636 | } |
1637 | ||
86e8cf98 JB |
1638 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1639 | struct netlink_callback *cb, | |
1640 | struct nl80211_dump_wiphy_state *state) | |
1641 | { | |
1642 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1643 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1644 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1645 | /* ignore parse errors for backward compatibility */ | |
1646 | if (ret) | |
1647 | return 0; | |
1648 | ||
1649 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1650 | if (tb[NL80211_ATTR_WIPHY]) | |
1651 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1652 | if (tb[NL80211_ATTR_WDEV]) | |
1653 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1654 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1655 | struct net_device *netdev; | |
1656 | struct cfg80211_registered_device *rdev; | |
1657 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1658 | ||
1659 | netdev = dev_get_by_index(sock_net(skb->sk), ifidx); | |
1660 | if (!netdev) | |
1661 | return -ENODEV; | |
1662 | if (netdev->ieee80211_ptr) { | |
1663 | rdev = wiphy_to_dev( | |
1664 | netdev->ieee80211_ptr->wiphy); | |
1665 | state->filter_wiphy = rdev->wiphy_idx; | |
1666 | } | |
1667 | dev_put(netdev); | |
1668 | } | |
1669 | ||
1670 | return 0; | |
1671 | } | |
1672 | ||
55682965 JB |
1673 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1674 | { | |
645e77de | 1675 | int idx = 0, ret; |
86e8cf98 | 1676 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
55682965 | 1677 | struct cfg80211_registered_device *dev; |
3a5a423b | 1678 | |
5fe231e8 | 1679 | rtnl_lock(); |
86e8cf98 JB |
1680 | if (!state) { |
1681 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1682 | if (!state) { |
1683 | rtnl_unlock(); | |
86e8cf98 | 1684 | return -ENOMEM; |
3713b4e3 | 1685 | } |
86e8cf98 JB |
1686 | state->filter_wiphy = -1; |
1687 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1688 | if (ret) { | |
1689 | kfree(state); | |
1690 | rtnl_unlock(); | |
1691 | return ret; | |
3713b4e3 | 1692 | } |
86e8cf98 | 1693 | cb->args[0] = (long)state; |
3713b4e3 JB |
1694 | } |
1695 | ||
79c97e97 | 1696 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
463d0183 JB |
1697 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
1698 | continue; | |
86e8cf98 | 1699 | if (++idx <= state->start) |
55682965 | 1700 | continue; |
86e8cf98 JB |
1701 | if (state->filter_wiphy != -1 && |
1702 | state->filter_wiphy != dev->wiphy_idx) | |
3713b4e3 JB |
1703 | continue; |
1704 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1705 | do { | |
1706 | ret = nl80211_send_wiphy(dev, skb, | |
1707 | NETLINK_CB(cb->skb).portid, | |
1708 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1709 | NLM_F_MULTI, state); |
3713b4e3 JB |
1710 | if (ret < 0) { |
1711 | /* | |
1712 | * If sending the wiphy data didn't fit (ENOBUFS | |
1713 | * or EMSGSIZE returned), this SKB is still | |
1714 | * empty (so it's not too big because another | |
1715 | * wiphy dataset is already in the skb) and | |
1716 | * we've not tried to adjust the dump allocation | |
1717 | * yet ... then adjust the alloc size to be | |
1718 | * bigger, and return 1 but with the empty skb. | |
1719 | * This results in an empty message being RX'ed | |
1720 | * in userspace, but that is ignored. | |
1721 | * | |
1722 | * We can then retry with the larger buffer. | |
1723 | */ | |
1724 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
1725 | !skb->len && | |
1726 | cb->min_dump_alloc < 4096) { | |
1727 | cb->min_dump_alloc = 4096; | |
d98cae64 | 1728 | rtnl_unlock(); |
3713b4e3 JB |
1729 | return 1; |
1730 | } | |
1731 | idx--; | |
1732 | break; | |
645e77de | 1733 | } |
86e8cf98 | 1734 | } while (state->split_start > 0); |
3713b4e3 | 1735 | break; |
55682965 | 1736 | } |
5fe231e8 | 1737 | rtnl_unlock(); |
55682965 | 1738 | |
86e8cf98 | 1739 | state->start = idx; |
55682965 JB |
1740 | |
1741 | return skb->len; | |
1742 | } | |
1743 | ||
86e8cf98 JB |
1744 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1745 | { | |
1746 | kfree((void *)cb->args[0]); | |
1747 | return 0; | |
1748 | } | |
1749 | ||
55682965 JB |
1750 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1751 | { | |
1752 | struct sk_buff *msg; | |
4c476991 | 1753 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
86e8cf98 | 1754 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1755 | |
645e77de | 1756 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1757 | if (!msg) |
4c476991 | 1758 | return -ENOMEM; |
55682965 | 1759 | |
3713b4e3 | 1760 | if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0, |
86e8cf98 | 1761 | &state) < 0) { |
4c476991 JB |
1762 | nlmsg_free(msg); |
1763 | return -ENOBUFS; | |
1764 | } | |
55682965 | 1765 | |
134e6375 | 1766 | return genlmsg_reply(msg, info); |
55682965 JB |
1767 | } |
1768 | ||
31888487 JM |
1769 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1770 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1771 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1772 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1773 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1774 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1775 | }; | |
1776 | ||
1777 | static int parse_txq_params(struct nlattr *tb[], | |
1778 | struct ieee80211_txq_params *txq_params) | |
1779 | { | |
a3304b0a | 1780 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1781 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1782 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1783 | return -EINVAL; | |
1784 | ||
a3304b0a | 1785 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1786 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1787 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1788 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1789 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1790 | ||
a3304b0a JB |
1791 | if (txq_params->ac >= NL80211_NUM_ACS) |
1792 | return -EINVAL; | |
1793 | ||
31888487 JM |
1794 | return 0; |
1795 | } | |
1796 | ||
f444de05 JB |
1797 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1798 | { | |
1799 | /* | |
cc1d2806 JB |
1800 | * You can only set the channel explicitly for WDS interfaces, |
1801 | * all others have their channel managed via their respective | |
1802 | * "establish a connection" command (connect, join, ...) | |
1803 | * | |
1804 | * For AP/GO and mesh mode, the channel can be set with the | |
1805 | * channel userspace API, but is only stored and passed to the | |
1806 | * low-level driver when the AP starts or the mesh is joined. | |
1807 | * This is for backward compatibility, userspace can also give | |
1808 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1809 | * |
1810 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1811 | * whatever else is going on, so they have their own special |
1812 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1813 | */ |
1814 | return !wdev || | |
1815 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1816 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1817 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1818 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1819 | } |
1820 | ||
683b6d3b JB |
1821 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1822 | struct genl_info *info, | |
1823 | struct cfg80211_chan_def *chandef) | |
1824 | { | |
dbeca2ea | 1825 | u32 control_freq; |
683b6d3b JB |
1826 | |
1827 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1828 | return -EINVAL; | |
1829 | ||
1830 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1831 | ||
1832 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1833 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1834 | chandef->center_freq1 = control_freq; | |
1835 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1836 | |
1837 | /* Primary channel not allowed */ | |
1838 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1839 | return -EINVAL; | |
1840 | ||
3d9d1d66 JB |
1841 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1842 | enum nl80211_channel_type chantype; | |
1843 | ||
1844 | chantype = nla_get_u32( | |
1845 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1846 | ||
1847 | switch (chantype) { | |
1848 | case NL80211_CHAN_NO_HT: | |
1849 | case NL80211_CHAN_HT20: | |
1850 | case NL80211_CHAN_HT40PLUS: | |
1851 | case NL80211_CHAN_HT40MINUS: | |
1852 | cfg80211_chandef_create(chandef, chandef->chan, | |
1853 | chantype); | |
1854 | break; | |
1855 | default: | |
1856 | return -EINVAL; | |
1857 | } | |
1858 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1859 | chandef->width = | |
1860 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1861 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1862 | chandef->center_freq1 = | |
1863 | nla_get_u32( | |
1864 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1865 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1866 | chandef->center_freq2 = | |
1867 | nla_get_u32( | |
1868 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1869 | } | |
1870 | ||
9f5e8f6e | 1871 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1872 | return -EINVAL; |
1873 | ||
9f5e8f6e JB |
1874 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1875 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1876 | return -EINVAL; |
1877 | ||
2f301ab2 SW |
1878 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
1879 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
1880 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1881 | return -EINVAL; | |
1882 | ||
683b6d3b JB |
1883 | return 0; |
1884 | } | |
1885 | ||
f444de05 JB |
1886 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
1887 | struct wireless_dev *wdev, | |
1888 | struct genl_info *info) | |
1889 | { | |
683b6d3b | 1890 | struct cfg80211_chan_def chandef; |
f444de05 | 1891 | int result; |
e8c9bd5b JB |
1892 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
1893 | ||
1894 | if (wdev) | |
1895 | iftype = wdev->iftype; | |
f444de05 | 1896 | |
f444de05 JB |
1897 | if (!nl80211_can_set_dev_channel(wdev)) |
1898 | return -EOPNOTSUPP; | |
1899 | ||
683b6d3b JB |
1900 | result = nl80211_parse_chandef(rdev, info, &chandef); |
1901 | if (result) | |
1902 | return result; | |
f444de05 | 1903 | |
e8c9bd5b | 1904 | switch (iftype) { |
aa430da4 JB |
1905 | case NL80211_IFTYPE_AP: |
1906 | case NL80211_IFTYPE_P2P_GO: | |
1907 | if (wdev->beacon_interval) { | |
1908 | result = -EBUSY; | |
1909 | break; | |
1910 | } | |
683b6d3b | 1911 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) { |
aa430da4 JB |
1912 | result = -EINVAL; |
1913 | break; | |
1914 | } | |
683b6d3b | 1915 | wdev->preset_chandef = chandef; |
aa430da4 JB |
1916 | result = 0; |
1917 | break; | |
cc1d2806 | 1918 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 1919 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 1920 | break; |
e8c9bd5b | 1921 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 1922 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 1923 | break; |
aa430da4 | 1924 | default: |
e8c9bd5b | 1925 | result = -EINVAL; |
f444de05 | 1926 | } |
f444de05 JB |
1927 | |
1928 | return result; | |
1929 | } | |
1930 | ||
1931 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
1932 | { | |
4c476991 JB |
1933 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1934 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 1935 | |
4c476991 | 1936 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
f444de05 JB |
1937 | } |
1938 | ||
e8347eba BJ |
1939 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
1940 | { | |
43b19952 JB |
1941 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
1942 | struct net_device *dev = info->user_ptr[1]; | |
1943 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 1944 | const u8 *bssid; |
e8347eba BJ |
1945 | |
1946 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1947 | return -EINVAL; | |
1948 | ||
43b19952 JB |
1949 | if (netif_running(dev)) |
1950 | return -EBUSY; | |
e8347eba | 1951 | |
43b19952 JB |
1952 | if (!rdev->ops->set_wds_peer) |
1953 | return -EOPNOTSUPP; | |
e8347eba | 1954 | |
43b19952 JB |
1955 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
1956 | return -EOPNOTSUPP; | |
e8347eba BJ |
1957 | |
1958 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 1959 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
1960 | } |
1961 | ||
1962 | ||
55682965 JB |
1963 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
1964 | { | |
1965 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
1966 | struct net_device *netdev = NULL; |
1967 | struct wireless_dev *wdev; | |
a1e567c8 | 1968 | int result = 0, rem_txq_params = 0; |
31888487 | 1969 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
1970 | u32 changed; |
1971 | u8 retry_short = 0, retry_long = 0; | |
1972 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 1973 | u8 coverage_class = 0; |
55682965 | 1974 | |
5fe231e8 JB |
1975 | ASSERT_RTNL(); |
1976 | ||
f444de05 JB |
1977 | /* |
1978 | * Try to find the wiphy and netdev. Normally this | |
1979 | * function shouldn't need the netdev, but this is | |
1980 | * done for backward compatibility -- previously | |
1981 | * setting the channel was done per wiphy, but now | |
1982 | * it is per netdev. Previous userland like hostapd | |
1983 | * also passed a netdev to set_wiphy, so that it is | |
1984 | * possible to let that go to the right netdev! | |
1985 | */ | |
4bbf4d56 | 1986 | |
f444de05 JB |
1987 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
1988 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
1989 | ||
1990 | netdev = dev_get_by_index(genl_info_net(info), ifindex); | |
5fe231e8 | 1991 | if (netdev && netdev->ieee80211_ptr) |
f444de05 | 1992 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 1993 | else |
f444de05 | 1994 | netdev = NULL; |
4bbf4d56 JB |
1995 | } |
1996 | ||
f444de05 | 1997 | if (!netdev) { |
878d9ec7 JB |
1998 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
1999 | info->attrs); | |
5fe231e8 | 2000 | if (IS_ERR(rdev)) |
4c476991 | 2001 | return PTR_ERR(rdev); |
f444de05 JB |
2002 | wdev = NULL; |
2003 | netdev = NULL; | |
2004 | result = 0; | |
71fe96bf | 2005 | } else |
f444de05 | 2006 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2007 | |
2008 | /* | |
2009 | * end workaround code, by now the rdev is available | |
2010 | * and locked, and wdev may or may not be NULL. | |
2011 | */ | |
4bbf4d56 JB |
2012 | |
2013 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2014 | result = cfg80211_dev_rename( |
2015 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2016 | |
4bbf4d56 JB |
2017 | if (result) |
2018 | goto bad_res; | |
31888487 JM |
2019 | |
2020 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2021 | struct ieee80211_txq_params txq_params; | |
2022 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2023 | ||
2024 | if (!rdev->ops->set_txq_params) { | |
2025 | result = -EOPNOTSUPP; | |
2026 | goto bad_res; | |
2027 | } | |
2028 | ||
f70f01c2 EP |
2029 | if (!netdev) { |
2030 | result = -EINVAL; | |
2031 | goto bad_res; | |
2032 | } | |
2033 | ||
133a3ff2 JB |
2034 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
2035 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
2036 | result = -EINVAL; | |
2037 | goto bad_res; | |
2038 | } | |
2039 | ||
2b5f8b0b JB |
2040 | if (!netif_running(netdev)) { |
2041 | result = -ENETDOWN; | |
2042 | goto bad_res; | |
2043 | } | |
2044 | ||
31888487 JM |
2045 | nla_for_each_nested(nl_txq_params, |
2046 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2047 | rem_txq_params) { | |
2048 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, | |
2049 | nla_data(nl_txq_params), | |
2050 | nla_len(nl_txq_params), | |
2051 | txq_params_policy); | |
2052 | result = parse_txq_params(tb, &txq_params); | |
2053 | if (result) | |
2054 | goto bad_res; | |
2055 | ||
e35e4d28 HG |
2056 | result = rdev_set_txq_params(rdev, netdev, |
2057 | &txq_params); | |
31888487 JM |
2058 | if (result) |
2059 | goto bad_res; | |
2060 | } | |
2061 | } | |
55682965 | 2062 | |
72bdcf34 | 2063 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
71fe96bf JB |
2064 | result = __nl80211_set_channel(rdev, |
2065 | nl80211_can_set_dev_channel(wdev) ? wdev : NULL, | |
2066 | info); | |
72bdcf34 JM |
2067 | if (result) |
2068 | goto bad_res; | |
2069 | } | |
2070 | ||
98d2ff8b | 2071 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2072 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2073 | enum nl80211_tx_power_setting type; |
2074 | int idx, mbm = 0; | |
2075 | ||
c8442118 JB |
2076 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2077 | txp_wdev = NULL; | |
2078 | ||
98d2ff8b | 2079 | if (!rdev->ops->set_tx_power) { |
60ea385f | 2080 | result = -EOPNOTSUPP; |
98d2ff8b JO |
2081 | goto bad_res; |
2082 | } | |
2083 | ||
2084 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2085 | type = nla_get_u32(info->attrs[idx]); | |
2086 | ||
2087 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
2088 | (type != NL80211_TX_POWER_AUTOMATIC)) { | |
2089 | result = -EINVAL; | |
2090 | goto bad_res; | |
2091 | } | |
2092 | ||
2093 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2094 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2095 | mbm = nla_get_u32(info->attrs[idx]); | |
2096 | } | |
2097 | ||
c8442118 | 2098 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b JO |
2099 | if (result) |
2100 | goto bad_res; | |
2101 | } | |
2102 | ||
afe0cbf8 BR |
2103 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2104 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2105 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
2106 | if ((!rdev->wiphy.available_antennas_tx && |
2107 | !rdev->wiphy.available_antennas_rx) || | |
2108 | !rdev->ops->set_antenna) { | |
afe0cbf8 BR |
2109 | result = -EOPNOTSUPP; |
2110 | goto bad_res; | |
2111 | } | |
2112 | ||
2113 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2114 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2115 | ||
a7ffac95 | 2116 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2117 | * available antenna masks, except for the "all" mask */ |
2118 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
2119 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { | |
a7ffac95 BR |
2120 | result = -EINVAL; |
2121 | goto bad_res; | |
2122 | } | |
2123 | ||
7f531e03 BR |
2124 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2125 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2126 | |
e35e4d28 | 2127 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 BR |
2128 | if (result) |
2129 | goto bad_res; | |
2130 | } | |
2131 | ||
b9a5f8ca JM |
2132 | changed = 0; |
2133 | ||
2134 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2135 | retry_short = nla_get_u8( | |
2136 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
2137 | if (retry_short == 0) { | |
2138 | result = -EINVAL; | |
2139 | goto bad_res; | |
2140 | } | |
2141 | changed |= WIPHY_PARAM_RETRY_SHORT; | |
2142 | } | |
2143 | ||
2144 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2145 | retry_long = nla_get_u8( | |
2146 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
2147 | if (retry_long == 0) { | |
2148 | result = -EINVAL; | |
2149 | goto bad_res; | |
2150 | } | |
2151 | changed |= WIPHY_PARAM_RETRY_LONG; | |
2152 | } | |
2153 | ||
2154 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2155 | frag_threshold = nla_get_u32( | |
2156 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
2157 | if (frag_threshold < 256) { | |
2158 | result = -EINVAL; | |
2159 | goto bad_res; | |
2160 | } | |
2161 | if (frag_threshold != (u32) -1) { | |
2162 | /* | |
2163 | * Fragments (apart from the last one) are required to | |
2164 | * have even length. Make the fragmentation code | |
2165 | * simpler by stripping LSB should someone try to use | |
2166 | * odd threshold value. | |
2167 | */ | |
2168 | frag_threshold &= ~0x1; | |
2169 | } | |
2170 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2171 | } | |
2172 | ||
2173 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2174 | rts_threshold = nla_get_u32( | |
2175 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2176 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2177 | } | |
2178 | ||
81077e82 LT |
2179 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
2180 | coverage_class = nla_get_u8( | |
2181 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2182 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2183 | } | |
2184 | ||
b9a5f8ca JM |
2185 | if (changed) { |
2186 | u8 old_retry_short, old_retry_long; | |
2187 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2188 | u8 old_coverage_class; |
b9a5f8ca JM |
2189 | |
2190 | if (!rdev->ops->set_wiphy_params) { | |
2191 | result = -EOPNOTSUPP; | |
2192 | goto bad_res; | |
2193 | } | |
2194 | ||
2195 | old_retry_short = rdev->wiphy.retry_short; | |
2196 | old_retry_long = rdev->wiphy.retry_long; | |
2197 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2198 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2199 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2200 | |
2201 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2202 | rdev->wiphy.retry_short = retry_short; | |
2203 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2204 | rdev->wiphy.retry_long = retry_long; | |
2205 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2206 | rdev->wiphy.frag_threshold = frag_threshold; | |
2207 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2208 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2209 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2210 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2211 | |
e35e4d28 | 2212 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2213 | if (result) { |
2214 | rdev->wiphy.retry_short = old_retry_short; | |
2215 | rdev->wiphy.retry_long = old_retry_long; | |
2216 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2217 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2218 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
2219 | } |
2220 | } | |
72bdcf34 | 2221 | |
306d6112 | 2222 | bad_res: |
f444de05 JB |
2223 | if (netdev) |
2224 | dev_put(netdev); | |
55682965 JB |
2225 | return result; |
2226 | } | |
2227 | ||
71bbc994 JB |
2228 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2229 | { | |
2230 | return (u64)wdev->identifier | | |
2231 | ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); | |
2232 | } | |
55682965 | 2233 | |
683b6d3b | 2234 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2235 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2236 | { |
9f5e8f6e | 2237 | WARN_ON(!cfg80211_chandef_valid(chandef)); |
3d9d1d66 | 2238 | |
683b6d3b JB |
2239 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2240 | chandef->chan->center_freq)) | |
2241 | return -ENOBUFS; | |
3d9d1d66 JB |
2242 | switch (chandef->width) { |
2243 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2244 | case NL80211_CHAN_WIDTH_20: | |
2245 | case NL80211_CHAN_WIDTH_40: | |
2246 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2247 | cfg80211_get_chandef_type(chandef))) | |
2248 | return -ENOBUFS; | |
2249 | break; | |
2250 | default: | |
2251 | break; | |
2252 | } | |
2253 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2254 | return -ENOBUFS; | |
2255 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2256 | return -ENOBUFS; | |
2257 | if (chandef->center_freq2 && | |
2258 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2259 | return -ENOBUFS; |
2260 | return 0; | |
2261 | } | |
2262 | ||
15e47304 | 2263 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2264 | struct cfg80211_registered_device *rdev, |
72fb2abc | 2265 | struct wireless_dev *wdev) |
55682965 | 2266 | { |
72fb2abc | 2267 | struct net_device *dev = wdev->netdev; |
55682965 JB |
2268 | void *hdr; |
2269 | ||
15e47304 | 2270 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE); |
55682965 JB |
2271 | if (!hdr) |
2272 | return -1; | |
2273 | ||
72fb2abc JB |
2274 | if (dev && |
2275 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2276 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2277 | goto nla_put_failure; |
2278 | ||
2279 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2280 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2281 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2282 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2283 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2284 | rdev->devlist_generation ^ | |
2285 | (cfg80211_rdev_list_generation << 2))) | |
2286 | goto nla_put_failure; | |
f5ea9120 | 2287 | |
5b7ccaf3 | 2288 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2289 | int ret; |
2290 | struct cfg80211_chan_def chandef; | |
2291 | ||
2292 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2293 | if (ret == 0) { | |
2294 | if (nl80211_send_chandef(msg, &chandef)) | |
2295 | goto nla_put_failure; | |
2296 | } | |
d91df0e3 PF |
2297 | } |
2298 | ||
b84e7a05 AQ |
2299 | if (wdev->ssid_len) { |
2300 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2301 | goto nla_put_failure; | |
2302 | } | |
2303 | ||
55682965 JB |
2304 | return genlmsg_end(msg, hdr); |
2305 | ||
2306 | nla_put_failure: | |
bc3ed28c TG |
2307 | genlmsg_cancel(msg, hdr); |
2308 | return -EMSGSIZE; | |
55682965 JB |
2309 | } |
2310 | ||
2311 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2312 | { | |
2313 | int wp_idx = 0; | |
2314 | int if_idx = 0; | |
2315 | int wp_start = cb->args[0]; | |
2316 | int if_start = cb->args[1]; | |
f5ea9120 | 2317 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2318 | struct wireless_dev *wdev; |
2319 | ||
5fe231e8 | 2320 | rtnl_lock(); |
f5ea9120 JB |
2321 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2322 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2323 | continue; |
bba95fef JB |
2324 | if (wp_idx < wp_start) { |
2325 | wp_idx++; | |
55682965 | 2326 | continue; |
bba95fef | 2327 | } |
55682965 JB |
2328 | if_idx = 0; |
2329 | ||
89a54e48 | 2330 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2331 | if (if_idx < if_start) { |
2332 | if_idx++; | |
55682965 | 2333 | continue; |
bba95fef | 2334 | } |
15e47304 | 2335 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2336 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
72fb2abc | 2337 | rdev, wdev) < 0) { |
bba95fef JB |
2338 | goto out; |
2339 | } | |
2340 | if_idx++; | |
55682965 | 2341 | } |
bba95fef JB |
2342 | |
2343 | wp_idx++; | |
55682965 | 2344 | } |
bba95fef | 2345 | out: |
5fe231e8 | 2346 | rtnl_unlock(); |
55682965 JB |
2347 | |
2348 | cb->args[0] = wp_idx; | |
2349 | cb->args[1] = if_idx; | |
2350 | ||
2351 | return skb->len; | |
2352 | } | |
2353 | ||
2354 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2355 | { | |
2356 | struct sk_buff *msg; | |
4c476991 | 2357 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
72fb2abc | 2358 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2359 | |
fd2120ca | 2360 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2361 | if (!msg) |
4c476991 | 2362 | return -ENOMEM; |
55682965 | 2363 | |
15e47304 | 2364 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
72fb2abc | 2365 | dev, wdev) < 0) { |
4c476991 JB |
2366 | nlmsg_free(msg); |
2367 | return -ENOBUFS; | |
2368 | } | |
55682965 | 2369 | |
134e6375 | 2370 | return genlmsg_reply(msg, info); |
55682965 JB |
2371 | } |
2372 | ||
66f7ac50 MW |
2373 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2374 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2375 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2376 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2377 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2378 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2379 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2380 | }; |
2381 | ||
2382 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2383 | { | |
2384 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2385 | int flag; | |
2386 | ||
2387 | *mntrflags = 0; | |
2388 | ||
2389 | if (!nla) | |
2390 | return -EINVAL; | |
2391 | ||
2392 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2393 | nla, mntr_flags_policy)) | |
2394 | return -EINVAL; | |
2395 | ||
2396 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2397 | if (flags[flag]) | |
2398 | *mntrflags |= (1<<flag); | |
2399 | ||
2400 | return 0; | |
2401 | } | |
2402 | ||
9bc383de | 2403 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2404 | struct net_device *netdev, u8 use_4addr, |
2405 | enum nl80211_iftype iftype) | |
9bc383de | 2406 | { |
ad4bb6f8 | 2407 | if (!use_4addr) { |
f350a0a8 | 2408 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2409 | return -EBUSY; |
9bc383de | 2410 | return 0; |
ad4bb6f8 | 2411 | } |
9bc383de JB |
2412 | |
2413 | switch (iftype) { | |
2414 | case NL80211_IFTYPE_AP_VLAN: | |
2415 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2416 | return 0; | |
2417 | break; | |
2418 | case NL80211_IFTYPE_STATION: | |
2419 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2420 | return 0; | |
2421 | break; | |
2422 | default: | |
2423 | break; | |
2424 | } | |
2425 | ||
2426 | return -EOPNOTSUPP; | |
2427 | } | |
2428 | ||
55682965 JB |
2429 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2430 | { | |
4c476991 | 2431 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2432 | struct vif_params params; |
e36d56b6 | 2433 | int err; |
04a773ad | 2434 | enum nl80211_iftype otype, ntype; |
4c476991 | 2435 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2436 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2437 | bool change = false; |
55682965 | 2438 | |
2ec600d6 LCC |
2439 | memset(¶ms, 0, sizeof(params)); |
2440 | ||
04a773ad | 2441 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2442 | |
723b038d | 2443 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2444 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2445 | if (otype != ntype) |
ac7f9cfa | 2446 | change = true; |
4c476991 JB |
2447 | if (ntype > NL80211_IFTYPE_MAX) |
2448 | return -EINVAL; | |
723b038d JB |
2449 | } |
2450 | ||
92ffe055 | 2451 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2452 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2453 | ||
4c476991 JB |
2454 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2455 | return -EINVAL; | |
29cbe68c JB |
2456 | if (netif_running(dev)) |
2457 | return -EBUSY; | |
2458 | ||
2459 | wdev_lock(wdev); | |
2460 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2461 | IEEE80211_MAX_MESH_ID_LEN); | |
2462 | wdev->mesh_id_up_len = | |
2463 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2464 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2465 | wdev->mesh_id_up_len); | |
2466 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2467 | } |
2468 | ||
8b787643 FF |
2469 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2470 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2471 | change = true; | |
ad4bb6f8 | 2472 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2473 | if (err) |
4c476991 | 2474 | return err; |
8b787643 FF |
2475 | } else { |
2476 | params.use_4addr = -1; | |
2477 | } | |
2478 | ||
92ffe055 | 2479 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2480 | if (ntype != NL80211_IFTYPE_MONITOR) |
2481 | return -EINVAL; | |
92ffe055 JB |
2482 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2483 | &_flags); | |
ac7f9cfa | 2484 | if (err) |
4c476991 | 2485 | return err; |
ac7f9cfa JB |
2486 | |
2487 | flags = &_flags; | |
2488 | change = true; | |
92ffe055 | 2489 | } |
3b85875a | 2490 | |
18003297 | 2491 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2492 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2493 | return -EOPNOTSUPP; | |
2494 | ||
ac7f9cfa | 2495 | if (change) |
3d54d255 | 2496 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2497 | else |
2498 | err = 0; | |
60719ffd | 2499 | |
9bc383de JB |
2500 | if (!err && params.use_4addr != -1) |
2501 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2502 | ||
55682965 JB |
2503 | return err; |
2504 | } | |
2505 | ||
2506 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2507 | { | |
4c476991 | 2508 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2509 | struct vif_params params; |
84efbb84 | 2510 | struct wireless_dev *wdev; |
1c90f9d4 | 2511 | struct sk_buff *msg; |
55682965 JB |
2512 | int err; |
2513 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2514 | u32 flags; |
55682965 | 2515 | |
2ec600d6 LCC |
2516 | memset(¶ms, 0, sizeof(params)); |
2517 | ||
55682965 JB |
2518 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2519 | return -EINVAL; | |
2520 | ||
2521 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2522 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2523 | if (type > NL80211_IFTYPE_MAX) | |
2524 | return -EINVAL; | |
2525 | } | |
2526 | ||
79c97e97 | 2527 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2528 | !(rdev->wiphy.interface_modes & (1 << type))) |
2529 | return -EOPNOTSUPP; | |
55682965 | 2530 | |
1c18f145 AS |
2531 | if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) { |
2532 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], | |
2533 | ETH_ALEN); | |
2534 | if (!is_valid_ether_addr(params.macaddr)) | |
2535 | return -EADDRNOTAVAIL; | |
2536 | } | |
2537 | ||
9bc383de | 2538 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2539 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2540 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2541 | if (err) |
4c476991 | 2542 | return err; |
9bc383de | 2543 | } |
8b787643 | 2544 | |
1c90f9d4 JB |
2545 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2546 | if (!msg) | |
2547 | return -ENOMEM; | |
2548 | ||
66f7ac50 MW |
2549 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2550 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2551 | &flags); | |
e057d3c3 | 2552 | |
18003297 | 2553 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2554 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2555 | return -EOPNOTSUPP; | |
2556 | ||
e35e4d28 HG |
2557 | wdev = rdev_add_virtual_intf(rdev, |
2558 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2559 | type, err ? NULL : &flags, ¶ms); | |
1c90f9d4 JB |
2560 | if (IS_ERR(wdev)) { |
2561 | nlmsg_free(msg); | |
84efbb84 | 2562 | return PTR_ERR(wdev); |
1c90f9d4 | 2563 | } |
2ec600d6 | 2564 | |
98104fde JB |
2565 | switch (type) { |
2566 | case NL80211_IFTYPE_MESH_POINT: | |
2567 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2568 | break; | |
29cbe68c JB |
2569 | wdev_lock(wdev); |
2570 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2571 | IEEE80211_MAX_MESH_ID_LEN); | |
2572 | wdev->mesh_id_up_len = | |
2573 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2574 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2575 | wdev->mesh_id_up_len); | |
2576 | wdev_unlock(wdev); | |
98104fde JB |
2577 | break; |
2578 | case NL80211_IFTYPE_P2P_DEVICE: | |
2579 | /* | |
2580 | * P2P Device doesn't have a netdev, so doesn't go | |
2581 | * through the netdev notifier and must be added here | |
2582 | */ | |
2583 | mutex_init(&wdev->mtx); | |
2584 | INIT_LIST_HEAD(&wdev->event_list); | |
2585 | spin_lock_init(&wdev->event_lock); | |
2586 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2587 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2588 | ||
98104fde JB |
2589 | wdev->identifier = ++rdev->wdev_id; |
2590 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2591 | rdev->devlist_generation++; | |
98104fde JB |
2592 | break; |
2593 | default: | |
2594 | break; | |
29cbe68c JB |
2595 | } |
2596 | ||
15e47304 | 2597 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
1c90f9d4 JB |
2598 | rdev, wdev) < 0) { |
2599 | nlmsg_free(msg); | |
2600 | return -ENOBUFS; | |
2601 | } | |
2602 | ||
2603 | return genlmsg_reply(msg, info); | |
55682965 JB |
2604 | } |
2605 | ||
2606 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2607 | { | |
4c476991 | 2608 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2609 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2610 | |
4c476991 JB |
2611 | if (!rdev->ops->del_virtual_intf) |
2612 | return -EOPNOTSUPP; | |
55682965 | 2613 | |
84efbb84 JB |
2614 | /* |
2615 | * If we remove a wireless device without a netdev then clear | |
2616 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2617 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2618 | * since the wdev has been freed, unlike with a netdev where | |
2619 | * we need the dev_put() for the netdev to really be freed. | |
2620 | */ | |
2621 | if (!wdev->netdev) | |
2622 | info->user_ptr[1] = NULL; | |
2623 | ||
e35e4d28 | 2624 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2625 | } |
2626 | ||
1d9d9213 SW |
2627 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2628 | { | |
2629 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2630 | struct net_device *dev = info->user_ptr[1]; | |
2631 | u16 noack_map; | |
2632 | ||
2633 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2634 | return -EINVAL; | |
2635 | ||
2636 | if (!rdev->ops->set_noack_map) | |
2637 | return -EOPNOTSUPP; | |
2638 | ||
2639 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2640 | ||
e35e4d28 | 2641 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2642 | } |
2643 | ||
41ade00f JB |
2644 | struct get_key_cookie { |
2645 | struct sk_buff *msg; | |
2646 | int error; | |
b9454e83 | 2647 | int idx; |
41ade00f JB |
2648 | }; |
2649 | ||
2650 | static void get_key_callback(void *c, struct key_params *params) | |
2651 | { | |
b9454e83 | 2652 | struct nlattr *key; |
41ade00f JB |
2653 | struct get_key_cookie *cookie = c; |
2654 | ||
9360ffd1 DM |
2655 | if ((params->key && |
2656 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2657 | params->key_len, params->key)) || | |
2658 | (params->seq && | |
2659 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2660 | params->seq_len, params->seq)) || | |
2661 | (params->cipher && | |
2662 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2663 | params->cipher))) | |
2664 | goto nla_put_failure; | |
41ade00f | 2665 | |
b9454e83 JB |
2666 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2667 | if (!key) | |
2668 | goto nla_put_failure; | |
2669 | ||
9360ffd1 DM |
2670 | if ((params->key && |
2671 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2672 | params->key_len, params->key)) || | |
2673 | (params->seq && | |
2674 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2675 | params->seq_len, params->seq)) || | |
2676 | (params->cipher && | |
2677 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2678 | params->cipher))) | |
2679 | goto nla_put_failure; | |
b9454e83 | 2680 | |
9360ffd1 DM |
2681 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2682 | goto nla_put_failure; | |
b9454e83 JB |
2683 | |
2684 | nla_nest_end(cookie->msg, key); | |
2685 | ||
41ade00f JB |
2686 | return; |
2687 | nla_put_failure: | |
2688 | cookie->error = 1; | |
2689 | } | |
2690 | ||
2691 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2692 | { | |
4c476991 | 2693 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2694 | int err; |
4c476991 | 2695 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2696 | u8 key_idx = 0; |
e31b8213 JB |
2697 | const u8 *mac_addr = NULL; |
2698 | bool pairwise; | |
41ade00f JB |
2699 | struct get_key_cookie cookie = { |
2700 | .error = 0, | |
2701 | }; | |
2702 | void *hdr; | |
2703 | struct sk_buff *msg; | |
2704 | ||
2705 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2706 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2707 | ||
3cfcf6ac | 2708 | if (key_idx > 5) |
41ade00f JB |
2709 | return -EINVAL; |
2710 | ||
2711 | if (info->attrs[NL80211_ATTR_MAC]) | |
2712 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2713 | ||
e31b8213 JB |
2714 | pairwise = !!mac_addr; |
2715 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2716 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2717 | if (kt >= NUM_NL80211_KEYTYPES) | |
2718 | return -EINVAL; | |
2719 | if (kt != NL80211_KEYTYPE_GROUP && | |
2720 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2721 | return -EINVAL; | |
2722 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2723 | } | |
2724 | ||
4c476991 JB |
2725 | if (!rdev->ops->get_key) |
2726 | return -EOPNOTSUPP; | |
41ade00f | 2727 | |
fd2120ca | 2728 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2729 | if (!msg) |
2730 | return -ENOMEM; | |
41ade00f | 2731 | |
15e47304 | 2732 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2733 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 2734 | if (!hdr) |
9fe271af | 2735 | goto nla_put_failure; |
41ade00f JB |
2736 | |
2737 | cookie.msg = msg; | |
b9454e83 | 2738 | cookie.idx = key_idx; |
41ade00f | 2739 | |
9360ffd1 DM |
2740 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2741 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2742 | goto nla_put_failure; | |
2743 | if (mac_addr && | |
2744 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2745 | goto nla_put_failure; | |
41ade00f | 2746 | |
e31b8213 JB |
2747 | if (pairwise && mac_addr && |
2748 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2749 | return -ENOENT; | |
2750 | ||
e35e4d28 HG |
2751 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2752 | get_key_callback); | |
41ade00f JB |
2753 | |
2754 | if (err) | |
6c95e2a2 | 2755 | goto free_msg; |
41ade00f JB |
2756 | |
2757 | if (cookie.error) | |
2758 | goto nla_put_failure; | |
2759 | ||
2760 | genlmsg_end(msg, hdr); | |
4c476991 | 2761 | return genlmsg_reply(msg, info); |
41ade00f JB |
2762 | |
2763 | nla_put_failure: | |
2764 | err = -ENOBUFS; | |
6c95e2a2 | 2765 | free_msg: |
41ade00f | 2766 | nlmsg_free(msg); |
41ade00f JB |
2767 | return err; |
2768 | } | |
2769 | ||
2770 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2771 | { | |
4c476991 | 2772 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2773 | struct key_parse key; |
41ade00f | 2774 | int err; |
4c476991 | 2775 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2776 | |
b9454e83 JB |
2777 | err = nl80211_parse_key(info, &key); |
2778 | if (err) | |
2779 | return err; | |
41ade00f | 2780 | |
b9454e83 | 2781 | if (key.idx < 0) |
41ade00f JB |
2782 | return -EINVAL; |
2783 | ||
b9454e83 JB |
2784 | /* only support setting default key */ |
2785 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2786 | return -EINVAL; |
2787 | ||
dbd2fd65 | 2788 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2789 | |
dbd2fd65 JB |
2790 | if (key.def) { |
2791 | if (!rdev->ops->set_default_key) { | |
2792 | err = -EOPNOTSUPP; | |
2793 | goto out; | |
2794 | } | |
41ade00f | 2795 | |
dbd2fd65 JB |
2796 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2797 | if (err) | |
2798 | goto out; | |
2799 | ||
e35e4d28 | 2800 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2801 | key.def_uni, key.def_multi); |
2802 | ||
2803 | if (err) | |
2804 | goto out; | |
fffd0934 | 2805 | |
3d23e349 | 2806 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2807 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2808 | #endif | |
2809 | } else { | |
2810 | if (key.def_uni || !key.def_multi) { | |
2811 | err = -EINVAL; | |
2812 | goto out; | |
2813 | } | |
2814 | ||
2815 | if (!rdev->ops->set_default_mgmt_key) { | |
2816 | err = -EOPNOTSUPP; | |
2817 | goto out; | |
2818 | } | |
2819 | ||
2820 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2821 | if (err) | |
2822 | goto out; | |
2823 | ||
e35e4d28 | 2824 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2825 | if (err) |
2826 | goto out; | |
2827 | ||
2828 | #ifdef CONFIG_CFG80211_WEXT | |
2829 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2830 | #endif |
dbd2fd65 JB |
2831 | } |
2832 | ||
2833 | out: | |
fffd0934 | 2834 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2835 | |
41ade00f JB |
2836 | return err; |
2837 | } | |
2838 | ||
2839 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2840 | { | |
4c476991 | 2841 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2842 | int err; |
4c476991 | 2843 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2844 | struct key_parse key; |
e31b8213 | 2845 | const u8 *mac_addr = NULL; |
41ade00f | 2846 | |
b9454e83 JB |
2847 | err = nl80211_parse_key(info, &key); |
2848 | if (err) | |
2849 | return err; | |
41ade00f | 2850 | |
b9454e83 | 2851 | if (!key.p.key) |
41ade00f JB |
2852 | return -EINVAL; |
2853 | ||
41ade00f JB |
2854 | if (info->attrs[NL80211_ATTR_MAC]) |
2855 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2856 | ||
e31b8213 JB |
2857 | if (key.type == -1) { |
2858 | if (mac_addr) | |
2859 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2860 | else | |
2861 | key.type = NL80211_KEYTYPE_GROUP; | |
2862 | } | |
2863 | ||
2864 | /* for now */ | |
2865 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2866 | key.type != NL80211_KEYTYPE_GROUP) | |
2867 | return -EINVAL; | |
2868 | ||
4c476991 JB |
2869 | if (!rdev->ops->add_key) |
2870 | return -EOPNOTSUPP; | |
25e47c18 | 2871 | |
e31b8213 JB |
2872 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
2873 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2874 | mac_addr)) | |
4c476991 | 2875 | return -EINVAL; |
41ade00f | 2876 | |
fffd0934 JB |
2877 | wdev_lock(dev->ieee80211_ptr); |
2878 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2879 | if (!err) | |
e35e4d28 HG |
2880 | err = rdev_add_key(rdev, dev, key.idx, |
2881 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2882 | mac_addr, &key.p); | |
fffd0934 | 2883 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2884 | |
41ade00f JB |
2885 | return err; |
2886 | } | |
2887 | ||
2888 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
2889 | { | |
4c476991 | 2890 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2891 | int err; |
4c476991 | 2892 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2893 | u8 *mac_addr = NULL; |
b9454e83 | 2894 | struct key_parse key; |
41ade00f | 2895 | |
b9454e83 JB |
2896 | err = nl80211_parse_key(info, &key); |
2897 | if (err) | |
2898 | return err; | |
41ade00f JB |
2899 | |
2900 | if (info->attrs[NL80211_ATTR_MAC]) | |
2901 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2902 | ||
e31b8213 JB |
2903 | if (key.type == -1) { |
2904 | if (mac_addr) | |
2905 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2906 | else | |
2907 | key.type = NL80211_KEYTYPE_GROUP; | |
2908 | } | |
2909 | ||
2910 | /* for now */ | |
2911 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2912 | key.type != NL80211_KEYTYPE_GROUP) | |
2913 | return -EINVAL; | |
2914 | ||
4c476991 JB |
2915 | if (!rdev->ops->del_key) |
2916 | return -EOPNOTSUPP; | |
41ade00f | 2917 | |
fffd0934 JB |
2918 | wdev_lock(dev->ieee80211_ptr); |
2919 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
2920 | |
2921 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
2922 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2923 | err = -ENOENT; | |
2924 | ||
fffd0934 | 2925 | if (!err) |
e35e4d28 HG |
2926 | err = rdev_del_key(rdev, dev, key.idx, |
2927 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
2928 | mac_addr); | |
41ade00f | 2929 | |
3d23e349 | 2930 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 2931 | if (!err) { |
b9454e83 | 2932 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 2933 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 2934 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
2935 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
2936 | } | |
2937 | #endif | |
fffd0934 | 2938 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 2939 | |
41ade00f JB |
2940 | return err; |
2941 | } | |
2942 | ||
77765eaf VT |
2943 | /* This function returns an error or the number of nested attributes */ |
2944 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
2945 | { | |
2946 | struct nlattr *attr; | |
2947 | int n_entries = 0, tmp; | |
2948 | ||
2949 | nla_for_each_nested(attr, nl_attr, tmp) { | |
2950 | if (nla_len(attr) != ETH_ALEN) | |
2951 | return -EINVAL; | |
2952 | ||
2953 | n_entries++; | |
2954 | } | |
2955 | ||
2956 | return n_entries; | |
2957 | } | |
2958 | ||
2959 | /* | |
2960 | * This function parses ACL information and allocates memory for ACL data. | |
2961 | * On successful return, the calling function is responsible to free the | |
2962 | * ACL buffer returned by this function. | |
2963 | */ | |
2964 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
2965 | struct genl_info *info) | |
2966 | { | |
2967 | enum nl80211_acl_policy acl_policy; | |
2968 | struct nlattr *attr; | |
2969 | struct cfg80211_acl_data *acl; | |
2970 | int i = 0, n_entries, tmp; | |
2971 | ||
2972 | if (!wiphy->max_acl_mac_addrs) | |
2973 | return ERR_PTR(-EOPNOTSUPP); | |
2974 | ||
2975 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
2976 | return ERR_PTR(-EINVAL); | |
2977 | ||
2978 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
2979 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
2980 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
2981 | return ERR_PTR(-EINVAL); | |
2982 | ||
2983 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
2984 | return ERR_PTR(-EINVAL); | |
2985 | ||
2986 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
2987 | if (n_entries < 0) | |
2988 | return ERR_PTR(n_entries); | |
2989 | ||
2990 | if (n_entries > wiphy->max_acl_mac_addrs) | |
2991 | return ERR_PTR(-ENOTSUPP); | |
2992 | ||
2993 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
2994 | GFP_KERNEL); | |
2995 | if (!acl) | |
2996 | return ERR_PTR(-ENOMEM); | |
2997 | ||
2998 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
2999 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3000 | i++; | |
3001 | } | |
3002 | ||
3003 | acl->n_acl_entries = n_entries; | |
3004 | acl->acl_policy = acl_policy; | |
3005 | ||
3006 | return acl; | |
3007 | } | |
3008 | ||
3009 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3010 | { | |
3011 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3012 | struct net_device *dev = info->user_ptr[1]; | |
3013 | struct cfg80211_acl_data *acl; | |
3014 | int err; | |
3015 | ||
3016 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3017 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3018 | return -EOPNOTSUPP; | |
3019 | ||
3020 | if (!dev->ieee80211_ptr->beacon_interval) | |
3021 | return -EINVAL; | |
3022 | ||
3023 | acl = parse_acl_data(&rdev->wiphy, info); | |
3024 | if (IS_ERR(acl)) | |
3025 | return PTR_ERR(acl); | |
3026 | ||
3027 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3028 | ||
3029 | kfree(acl); | |
3030 | ||
3031 | return err; | |
3032 | } | |
3033 | ||
a1193be8 | 3034 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3035 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3036 | { |
8860020e | 3037 | bool haveinfo = false; |
ed1b6cc7 | 3038 | |
a1193be8 SW |
3039 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3040 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3041 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3042 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3043 | return -EINVAL; |
3044 | ||
8860020e | 3045 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3046 | |
a1193be8 SW |
3047 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3048 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3049 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3050 | if (!bcn->head_len) |
3051 | return -EINVAL; | |
3052 | haveinfo = true; | |
ed1b6cc7 JB |
3053 | } |
3054 | ||
a1193be8 SW |
3055 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3056 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3057 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3058 | haveinfo = true; |
ed1b6cc7 JB |
3059 | } |
3060 | ||
4c476991 JB |
3061 | if (!haveinfo) |
3062 | return -EINVAL; | |
3b85875a | 3063 | |
a1193be8 SW |
3064 | if (attrs[NL80211_ATTR_IE]) { |
3065 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3066 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3067 | } |
3068 | ||
a1193be8 | 3069 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3070 | bcn->proberesp_ies = |
a1193be8 | 3071 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3072 | bcn->proberesp_ies_len = |
a1193be8 | 3073 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3074 | } |
3075 | ||
a1193be8 | 3076 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3077 | bcn->assocresp_ies = |
a1193be8 | 3078 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3079 | bcn->assocresp_ies_len = |
a1193be8 | 3080 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3081 | } |
3082 | ||
a1193be8 SW |
3083 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3084 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3085 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3086 | } |
3087 | ||
8860020e JB |
3088 | return 0; |
3089 | } | |
3090 | ||
46c1dd0c FF |
3091 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3092 | struct cfg80211_ap_settings *params) | |
3093 | { | |
3094 | struct wireless_dev *wdev; | |
3095 | bool ret = false; | |
3096 | ||
89a54e48 | 3097 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
3098 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3099 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3100 | continue; | |
3101 | ||
683b6d3b | 3102 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3103 | continue; |
3104 | ||
683b6d3b | 3105 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3106 | ret = true; |
3107 | break; | |
3108 | } | |
3109 | ||
46c1dd0c FF |
3110 | return ret; |
3111 | } | |
3112 | ||
e39e5b5e JM |
3113 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3114 | enum nl80211_auth_type auth_type, | |
3115 | enum nl80211_commands cmd) | |
3116 | { | |
3117 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3118 | return false; | |
3119 | ||
3120 | switch (cmd) { | |
3121 | case NL80211_CMD_AUTHENTICATE: | |
3122 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3123 | auth_type == NL80211_AUTHTYPE_SAE) | |
3124 | return false; | |
3125 | return true; | |
3126 | case NL80211_CMD_CONNECT: | |
3127 | case NL80211_CMD_START_AP: | |
3128 | /* SAE not supported yet */ | |
3129 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3130 | return false; | |
3131 | return true; | |
3132 | default: | |
3133 | return false; | |
3134 | } | |
3135 | } | |
3136 | ||
8860020e JB |
3137 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3138 | { | |
3139 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3140 | struct net_device *dev = info->user_ptr[1]; | |
3141 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3142 | struct cfg80211_ap_settings params; | |
3143 | int err; | |
04f39047 | 3144 | u8 radar_detect_width = 0; |
8860020e JB |
3145 | |
3146 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3147 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3148 | return -EOPNOTSUPP; | |
3149 | ||
3150 | if (!rdev->ops->start_ap) | |
3151 | return -EOPNOTSUPP; | |
3152 | ||
3153 | if (wdev->beacon_interval) | |
3154 | return -EALREADY; | |
3155 | ||
3156 | memset(¶ms, 0, sizeof(params)); | |
3157 | ||
3158 | /* these are required for START_AP */ | |
3159 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3160 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3161 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3162 | return -EINVAL; | |
3163 | ||
a1193be8 | 3164 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3165 | if (err) |
3166 | return err; | |
3167 | ||
3168 | params.beacon_interval = | |
3169 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3170 | params.dtim_period = | |
3171 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3172 | ||
3173 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3174 | if (err) | |
3175 | return err; | |
3176 | ||
3177 | /* | |
3178 | * In theory, some of these attributes should be required here | |
3179 | * but since they were not used when the command was originally | |
3180 | * added, keep them optional for old user space programs to let | |
3181 | * them continue to work with drivers that do not need the | |
3182 | * additional information -- drivers must check! | |
3183 | */ | |
3184 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3185 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3186 | params.ssid_len = | |
3187 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3188 | if (params.ssid_len == 0 || | |
3189 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3190 | return -EINVAL; | |
3191 | } | |
3192 | ||
3193 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3194 | params.hidden_ssid = nla_get_u32( | |
3195 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3196 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3197 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3198 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3199 | return -EINVAL; | |
3200 | } | |
3201 | ||
3202 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3203 | ||
3204 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3205 | params.auth_type = nla_get_u32( | |
3206 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3207 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3208 | NL80211_CMD_START_AP)) | |
8860020e JB |
3209 | return -EINVAL; |
3210 | } else | |
3211 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3212 | ||
3213 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3214 | NL80211_MAX_NR_CIPHER_SUITES); | |
3215 | if (err) | |
3216 | return err; | |
3217 | ||
1b658f11 VT |
3218 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3219 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3220 | return -EOPNOTSUPP; | |
3221 | params.inactivity_timeout = nla_get_u16( | |
3222 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3223 | } | |
3224 | ||
53cabad7 JB |
3225 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3226 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3227 | return -EINVAL; | |
3228 | params.p2p_ctwindow = | |
3229 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3230 | if (params.p2p_ctwindow > 127) | |
3231 | return -EINVAL; | |
3232 | if (params.p2p_ctwindow != 0 && | |
3233 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3234 | return -EINVAL; | |
3235 | } | |
3236 | ||
3237 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3238 | u8 tmp; | |
3239 | ||
3240 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3241 | return -EINVAL; | |
3242 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3243 | if (tmp > 1) | |
3244 | return -EINVAL; | |
3245 | params.p2p_opp_ps = tmp; | |
3246 | if (params.p2p_opp_ps != 0 && | |
3247 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3248 | return -EINVAL; | |
3249 | } | |
3250 | ||
aa430da4 | 3251 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3252 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3253 | if (err) | |
3254 | return err; | |
3255 | } else if (wdev->preset_chandef.chan) { | |
3256 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3257 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3258 | return -EINVAL; |
3259 | ||
683b6d3b | 3260 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) |
aa430da4 JB |
3261 | return -EINVAL; |
3262 | ||
04f39047 SW |
3263 | err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef); |
3264 | if (err < 0) | |
3265 | return err; | |
3266 | if (err) { | |
3267 | radar_detect_width = BIT(params.chandef.width); | |
3268 | params.radar_required = true; | |
3269 | } | |
3270 | ||
04f39047 SW |
3271 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
3272 | params.chandef.chan, | |
3273 | CHAN_MODE_SHARED, | |
3274 | radar_detect_width); | |
e4e32459 MK |
3275 | if (err) |
3276 | return err; | |
3277 | ||
77765eaf VT |
3278 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3279 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3280 | if (IS_ERR(params.acl)) | |
3281 | return PTR_ERR(params.acl); | |
3282 | } | |
3283 | ||
c56589ed | 3284 | wdev_lock(wdev); |
e35e4d28 | 3285 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3286 | if (!err) { |
683b6d3b | 3287 | wdev->preset_chandef = params.chandef; |
8860020e | 3288 | wdev->beacon_interval = params.beacon_interval; |
683b6d3b | 3289 | wdev->channel = params.chandef.chan; |
06e191e2 AQ |
3290 | wdev->ssid_len = params.ssid_len; |
3291 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3292 | } |
c56589ed | 3293 | wdev_unlock(wdev); |
77765eaf VT |
3294 | |
3295 | kfree(params.acl); | |
3296 | ||
56d1893d | 3297 | return err; |
ed1b6cc7 JB |
3298 | } |
3299 | ||
8860020e JB |
3300 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3301 | { | |
3302 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3303 | struct net_device *dev = info->user_ptr[1]; | |
3304 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3305 | struct cfg80211_beacon_data params; | |
3306 | int err; | |
3307 | ||
3308 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3309 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3310 | return -EOPNOTSUPP; | |
3311 | ||
3312 | if (!rdev->ops->change_beacon) | |
3313 | return -EOPNOTSUPP; | |
3314 | ||
3315 | if (!wdev->beacon_interval) | |
3316 | return -EINVAL; | |
3317 | ||
a1193be8 | 3318 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3319 | if (err) |
3320 | return err; | |
3321 | ||
c56589ed SW |
3322 | wdev_lock(wdev); |
3323 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
3324 | wdev_unlock(wdev); | |
3325 | ||
3326 | return err; | |
8860020e JB |
3327 | } |
3328 | ||
3329 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3330 | { |
4c476991 JB |
3331 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3332 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3333 | |
60771780 | 3334 | return cfg80211_stop_ap(rdev, dev); |
ed1b6cc7 JB |
3335 | } |
3336 | ||
5727ef1b JB |
3337 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3338 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3339 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3340 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3341 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3342 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3343 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3344 | }; |
3345 | ||
eccb8e8f | 3346 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3347 | enum nl80211_iftype iftype, |
eccb8e8f | 3348 | struct station_parameters *params) |
5727ef1b JB |
3349 | { |
3350 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3351 | struct nlattr *nla; |
5727ef1b JB |
3352 | int flag; |
3353 | ||
eccb8e8f JB |
3354 | /* |
3355 | * Try parsing the new attribute first so userspace | |
3356 | * can specify both for older kernels. | |
3357 | */ | |
3358 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3359 | if (nla) { | |
3360 | struct nl80211_sta_flag_update *sta_flags; | |
3361 | ||
3362 | sta_flags = nla_data(nla); | |
3363 | params->sta_flags_mask = sta_flags->mask; | |
3364 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3365 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3366 | if ((params->sta_flags_mask | |
3367 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3368 | return -EINVAL; | |
3369 | return 0; | |
3370 | } | |
3371 | ||
3372 | /* if present, parse the old attribute */ | |
5727ef1b | 3373 | |
eccb8e8f | 3374 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3375 | if (!nla) |
3376 | return 0; | |
3377 | ||
3378 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3379 | nla, sta_flags_policy)) | |
3380 | return -EINVAL; | |
3381 | ||
bdd3ae3d JB |
3382 | /* |
3383 | * Only allow certain flags for interface types so that | |
3384 | * other attributes are silently ignored. Remember that | |
3385 | * this is backward compatibility code with old userspace | |
3386 | * and shouldn't be hit in other cases anyway. | |
3387 | */ | |
3388 | switch (iftype) { | |
3389 | case NL80211_IFTYPE_AP: | |
3390 | case NL80211_IFTYPE_AP_VLAN: | |
3391 | case NL80211_IFTYPE_P2P_GO: | |
3392 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3393 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3394 | BIT(NL80211_STA_FLAG_WME) | | |
3395 | BIT(NL80211_STA_FLAG_MFP); | |
3396 | break; | |
3397 | case NL80211_IFTYPE_P2P_CLIENT: | |
3398 | case NL80211_IFTYPE_STATION: | |
3399 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3400 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3401 | break; | |
3402 | case NL80211_IFTYPE_MESH_POINT: | |
3403 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3404 | BIT(NL80211_STA_FLAG_MFP) | | |
3405 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3406 | default: | |
3407 | return -EINVAL; | |
3408 | } | |
5727ef1b | 3409 | |
3383b5a6 JB |
3410 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3411 | if (flags[flag]) { | |
eccb8e8f | 3412 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3413 | |
3383b5a6 JB |
3414 | /* no longer support new API additions in old API */ |
3415 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3416 | return -EINVAL; | |
3417 | } | |
3418 | } | |
3419 | ||
5727ef1b JB |
3420 | return 0; |
3421 | } | |
3422 | ||
c8dcfd8a FF |
3423 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3424 | int attr) | |
3425 | { | |
3426 | struct nlattr *rate; | |
8eb41c8d VK |
3427 | u32 bitrate; |
3428 | u16 bitrate_compat; | |
c8dcfd8a FF |
3429 | |
3430 | rate = nla_nest_start(msg, attr); | |
3431 | if (!rate) | |
db9c64cf | 3432 | return false; |
c8dcfd8a FF |
3433 | |
3434 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3435 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3436 | /* report 16-bit bitrate only if we can */ |
3437 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3438 | if (bitrate > 0 && |
3439 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3440 | return false; | |
3441 | if (bitrate_compat > 0 && | |
3442 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3443 | return false; | |
3444 | ||
3445 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
3446 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3447 | return false; | |
3448 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3449 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3450 | return false; | |
3451 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3452 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3453 | return false; | |
3454 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3455 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3456 | return false; | |
3457 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3458 | return false; | |
3459 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3460 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3461 | return false; | |
3462 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3463 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3464 | return false; | |
3465 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3466 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3467 | return false; | |
3468 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3469 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3470 | return false; | |
3471 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3472 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3473 | return false; | |
3474 | } | |
c8dcfd8a FF |
3475 | |
3476 | nla_nest_end(msg, rate); | |
3477 | return true; | |
c8dcfd8a FF |
3478 | } |
3479 | ||
119363c7 FF |
3480 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3481 | int id) | |
3482 | { | |
3483 | void *attr; | |
3484 | int i = 0; | |
3485 | ||
3486 | if (!mask) | |
3487 | return true; | |
3488 | ||
3489 | attr = nla_nest_start(msg, id); | |
3490 | if (!attr) | |
3491 | return false; | |
3492 | ||
3493 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3494 | if (!(mask & BIT(i))) | |
3495 | continue; | |
3496 | ||
3497 | if (nla_put_u8(msg, i, signal[i])) | |
3498 | return false; | |
3499 | } | |
3500 | ||
3501 | nla_nest_end(msg, attr); | |
3502 | ||
3503 | return true; | |
3504 | } | |
3505 | ||
15e47304 | 3506 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3507 | int flags, |
3508 | struct cfg80211_registered_device *rdev, | |
3509 | struct net_device *dev, | |
98b62183 | 3510 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3511 | { |
3512 | void *hdr; | |
f4263c98 | 3513 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3514 | |
15e47304 | 3515 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3516 | if (!hdr) |
3517 | return -1; | |
3518 | ||
9360ffd1 DM |
3519 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3520 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3521 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3522 | goto nla_put_failure; | |
f5ea9120 | 3523 | |
2ec600d6 LCC |
3524 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3525 | if (!sinfoattr) | |
fd5b74dc | 3526 | goto nla_put_failure; |
9360ffd1 DM |
3527 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3528 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3529 | sinfo->connected_time)) | |
3530 | goto nla_put_failure; | |
3531 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3532 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3533 | sinfo->inactive_time)) | |
3534 | goto nla_put_failure; | |
42745e03 VK |
3535 | if ((sinfo->filled & (STATION_INFO_RX_BYTES | |
3536 | STATION_INFO_RX_BYTES64)) && | |
9360ffd1 | 3537 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3538 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3539 | goto nla_put_failure; |
42745e03 | 3540 | if ((sinfo->filled & (STATION_INFO_TX_BYTES | |
4325d724 | 3541 | STATION_INFO_TX_BYTES64)) && |
9360ffd1 | 3542 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3543 | (u32)sinfo->tx_bytes)) |
3544 | goto nla_put_failure; | |
3545 | if ((sinfo->filled & STATION_INFO_RX_BYTES64) && | |
3546 | nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, | |
3547 | sinfo->rx_bytes)) | |
3548 | goto nla_put_failure; | |
3549 | if ((sinfo->filled & STATION_INFO_TX_BYTES64) && | |
3550 | nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, | |
9360ffd1 DM |
3551 | sinfo->tx_bytes)) |
3552 | goto nla_put_failure; | |
3553 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3554 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3555 | goto nla_put_failure; | |
3556 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3557 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3558 | goto nla_put_failure; | |
3559 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3560 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3561 | sinfo->plink_state)) | |
3562 | goto nla_put_failure; | |
66266b3a JL |
3563 | switch (rdev->wiphy.signal_type) { |
3564 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3565 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3566 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3567 | sinfo->signal)) | |
3568 | goto nla_put_failure; | |
3569 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3570 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3571 | sinfo->signal_avg)) | |
3572 | goto nla_put_failure; | |
66266b3a JL |
3573 | break; |
3574 | default: | |
3575 | break; | |
3576 | } | |
119363c7 FF |
3577 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { |
3578 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3579 | sinfo->chain_signal, | |
3580 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3581 | goto nla_put_failure; | |
3582 | } | |
3583 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { | |
3584 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3585 | sinfo->chain_signal_avg, | |
3586 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3587 | goto nla_put_failure; | |
3588 | } | |
420e7fab | 3589 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3590 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3591 | NL80211_STA_INFO_TX_BITRATE)) | |
3592 | goto nla_put_failure; | |
3593 | } | |
3594 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3595 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3596 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3597 | goto nla_put_failure; |
420e7fab | 3598 | } |
9360ffd1 DM |
3599 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3600 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3601 | sinfo->rx_packets)) | |
3602 | goto nla_put_failure; | |
3603 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3604 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3605 | sinfo->tx_packets)) | |
3606 | goto nla_put_failure; | |
3607 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3608 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3609 | sinfo->tx_retries)) | |
3610 | goto nla_put_failure; | |
3611 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3612 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3613 | sinfo->tx_failed)) | |
3614 | goto nla_put_failure; | |
3615 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && | |
3616 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3617 | sinfo->beacon_loss_count)) | |
3618 | goto nla_put_failure; | |
3b1c5a53 MP |
3619 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3620 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3621 | sinfo->local_pm)) | |
3622 | goto nla_put_failure; | |
3623 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3624 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3625 | sinfo->peer_pm)) | |
3626 | goto nla_put_failure; | |
3627 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3628 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3629 | sinfo->nonpeer_pm)) | |
3630 | goto nla_put_failure; | |
f4263c98 PS |
3631 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3632 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3633 | if (!bss_param) | |
3634 | goto nla_put_failure; | |
3635 | ||
9360ffd1 DM |
3636 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3637 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3638 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3639 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3640 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3641 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3642 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3643 | sinfo->bss_param.dtim_period) || | |
3644 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3645 | sinfo->bss_param.beacon_interval)) | |
3646 | goto nla_put_failure; | |
f4263c98 PS |
3647 | |
3648 | nla_nest_end(msg, bss_param); | |
3649 | } | |
9360ffd1 DM |
3650 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3651 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3652 | sizeof(struct nl80211_sta_flag_update), | |
3653 | &sinfo->sta_flags)) | |
3654 | goto nla_put_failure; | |
7eab0f64 JL |
3655 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3656 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3657 | sinfo->t_offset)) | |
3658 | goto nla_put_failure; | |
2ec600d6 | 3659 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3660 | |
9360ffd1 DM |
3661 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3662 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3663 | sinfo->assoc_req_ies)) | |
3664 | goto nla_put_failure; | |
50d3dfb7 | 3665 | |
fd5b74dc JB |
3666 | return genlmsg_end(msg, hdr); |
3667 | ||
3668 | nla_put_failure: | |
bc3ed28c TG |
3669 | genlmsg_cancel(msg, hdr); |
3670 | return -EMSGSIZE; | |
fd5b74dc JB |
3671 | } |
3672 | ||
2ec600d6 | 3673 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3674 | struct netlink_callback *cb) |
2ec600d6 | 3675 | { |
2ec600d6 LCC |
3676 | struct station_info sinfo; |
3677 | struct cfg80211_registered_device *dev; | |
97990a06 | 3678 | struct wireless_dev *wdev; |
2ec600d6 | 3679 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3680 | int sta_idx = cb->args[2]; |
2ec600d6 | 3681 | int err; |
2ec600d6 | 3682 | |
97990a06 | 3683 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
3684 | if (err) |
3685 | return err; | |
bba95fef | 3686 | |
97990a06 JB |
3687 | if (!wdev->netdev) { |
3688 | err = -EINVAL; | |
3689 | goto out_err; | |
3690 | } | |
3691 | ||
bba95fef | 3692 | if (!dev->ops->dump_station) { |
eec60b03 | 3693 | err = -EOPNOTSUPP; |
bba95fef JB |
3694 | goto out_err; |
3695 | } | |
3696 | ||
bba95fef | 3697 | while (1) { |
f612cedf | 3698 | memset(&sinfo, 0, sizeof(sinfo)); |
97990a06 | 3699 | err = rdev_dump_station(dev, wdev->netdev, sta_idx, |
e35e4d28 | 3700 | mac_addr, &sinfo); |
bba95fef JB |
3701 | if (err == -ENOENT) |
3702 | break; | |
3703 | if (err) | |
3b85875a | 3704 | goto out_err; |
bba95fef JB |
3705 | |
3706 | if (nl80211_send_station(skb, | |
15e47304 | 3707 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3708 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 3709 | dev, wdev->netdev, mac_addr, |
bba95fef JB |
3710 | &sinfo) < 0) |
3711 | goto out; | |
3712 | ||
3713 | sta_idx++; | |
3714 | } | |
3715 | ||
3716 | ||
3717 | out: | |
97990a06 | 3718 | cb->args[2] = sta_idx; |
bba95fef | 3719 | err = skb->len; |
bba95fef | 3720 | out_err: |
97990a06 | 3721 | nl80211_finish_wdev_dump(dev); |
bba95fef JB |
3722 | |
3723 | return err; | |
2ec600d6 | 3724 | } |
fd5b74dc | 3725 | |
5727ef1b JB |
3726 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3727 | { | |
4c476991 JB |
3728 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3729 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3730 | struct station_info sinfo; |
fd5b74dc JB |
3731 | struct sk_buff *msg; |
3732 | u8 *mac_addr = NULL; | |
4c476991 | 3733 | int err; |
fd5b74dc | 3734 | |
2ec600d6 | 3735 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3736 | |
3737 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3738 | return -EINVAL; | |
3739 | ||
3740 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3741 | ||
4c476991 JB |
3742 | if (!rdev->ops->get_station) |
3743 | return -EOPNOTSUPP; | |
3b85875a | 3744 | |
e35e4d28 | 3745 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3746 | if (err) |
4c476991 | 3747 | return err; |
2ec600d6 | 3748 | |
fd2120ca | 3749 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3750 | if (!msg) |
4c476991 | 3751 | return -ENOMEM; |
fd5b74dc | 3752 | |
15e47304 | 3753 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3754 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3755 | nlmsg_free(msg); |
3756 | return -ENOBUFS; | |
3757 | } | |
3b85875a | 3758 | |
4c476991 | 3759 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3760 | } |
3761 | ||
77ee7c89 JB |
3762 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3763 | struct station_parameters *params, | |
3764 | enum cfg80211_station_type statype) | |
3765 | { | |
3766 | if (params->listen_interval != -1) | |
3767 | return -EINVAL; | |
3768 | if (params->aid) | |
3769 | return -EINVAL; | |
3770 | ||
3771 | /* When you run into this, adjust the code below for the new flag */ | |
3772 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3773 | ||
3774 | switch (statype) { | |
eef941e6 TP |
3775 | case CFG80211_STA_MESH_PEER_KERNEL: |
3776 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3777 | /* |
3778 | * No ignoring the TDLS flag here -- the userspace mesh | |
3779 | * code doesn't have the bug of including TDLS in the | |
3780 | * mask everywhere. | |
3781 | */ | |
3782 | if (params->sta_flags_mask & | |
3783 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3784 | BIT(NL80211_STA_FLAG_MFP) | | |
3785 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3786 | return -EINVAL; | |
3787 | break; | |
3788 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3789 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3790 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3791 | return -EINVAL; | |
3792 | /* ignore since it can't change */ | |
3793 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3794 | break; | |
3795 | default: | |
3796 | /* disallow mesh-specific things */ | |
3797 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3798 | return -EINVAL; | |
3799 | if (params->local_pm) | |
3800 | return -EINVAL; | |
3801 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3802 | return -EINVAL; | |
3803 | } | |
3804 | ||
3805 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
3806 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
3807 | /* TDLS can't be set, ... */ | |
3808 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3809 | return -EINVAL; | |
3810 | /* | |
3811 | * ... but don't bother the driver with it. This works around | |
3812 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3813 | * TLDS_PEER flag in the mask even for AP mode. | |
3814 | */ | |
3815 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3816 | } | |
3817 | ||
3818 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
3819 | /* reject other things that can't change */ | |
3820 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
3821 | return -EINVAL; | |
3822 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
3823 | return -EINVAL; | |
3824 | if (params->supported_rates) | |
3825 | return -EINVAL; | |
3826 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
3827 | return -EINVAL; | |
3828 | } | |
3829 | ||
3830 | if (statype != CFG80211_STA_AP_CLIENT) { | |
3831 | if (params->vlan) | |
3832 | return -EINVAL; | |
3833 | } | |
3834 | ||
3835 | switch (statype) { | |
3836 | case CFG80211_STA_AP_MLME_CLIENT: | |
3837 | /* Use this only for authorizing/unauthorizing a station */ | |
3838 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3839 | return -EOPNOTSUPP; | |
3840 | break; | |
3841 | case CFG80211_STA_AP_CLIENT: | |
3842 | /* accept only the listed bits */ | |
3843 | if (params->sta_flags_mask & | |
3844 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3845 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3846 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3847 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3848 | BIT(NL80211_STA_FLAG_WME) | | |
3849 | BIT(NL80211_STA_FLAG_MFP))) | |
3850 | return -EINVAL; | |
3851 | ||
3852 | /* but authenticated/associated only if driver handles it */ | |
3853 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3854 | params->sta_flags_mask & | |
3855 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3856 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3857 | return -EINVAL; | |
3858 | break; | |
3859 | case CFG80211_STA_IBSS: | |
3860 | case CFG80211_STA_AP_STA: | |
3861 | /* reject any changes other than AUTHORIZED */ | |
3862 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
3863 | return -EINVAL; | |
3864 | break; | |
3865 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3866 | /* reject any changes other than AUTHORIZED or WME */ | |
3867 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3868 | BIT(NL80211_STA_FLAG_WME))) | |
3869 | return -EINVAL; | |
3870 | /* force (at least) rates when authorizing */ | |
3871 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
3872 | !params->supported_rates) | |
3873 | return -EINVAL; | |
3874 | break; | |
3875 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3876 | /* reject any changes */ | |
3877 | return -EINVAL; | |
eef941e6 | 3878 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
3879 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
3880 | return -EINVAL; | |
3881 | break; | |
eef941e6 | 3882 | case CFG80211_STA_MESH_PEER_USER: |
77ee7c89 JB |
3883 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) |
3884 | return -EINVAL; | |
3885 | break; | |
3886 | } | |
3887 | ||
3888 | return 0; | |
3889 | } | |
3890 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
3891 | ||
5727ef1b | 3892 | /* |
c258d2de | 3893 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 3894 | */ |
80b99899 JB |
3895 | static struct net_device *get_vlan(struct genl_info *info, |
3896 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 3897 | { |
463d0183 | 3898 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
3899 | struct net_device *v; |
3900 | int ret; | |
3901 | ||
3902 | if (!vlanattr) | |
3903 | return NULL; | |
3904 | ||
3905 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
3906 | if (!v) | |
3907 | return ERR_PTR(-ENODEV); | |
3908 | ||
3909 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
3910 | ret = -EINVAL; | |
3911 | goto error; | |
5727ef1b | 3912 | } |
80b99899 | 3913 | |
77ee7c89 JB |
3914 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
3915 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3916 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
3917 | ret = -EINVAL; | |
3918 | goto error; | |
3919 | } | |
3920 | ||
80b99899 JB |
3921 | if (!netif_running(v)) { |
3922 | ret = -ENETDOWN; | |
3923 | goto error; | |
3924 | } | |
3925 | ||
3926 | return v; | |
3927 | error: | |
3928 | dev_put(v); | |
3929 | return ERR_PTR(ret); | |
5727ef1b JB |
3930 | } |
3931 | ||
df881293 JM |
3932 | static struct nla_policy |
3933 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { | |
3934 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, | |
3935 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
3936 | }; | |
3937 | ||
ff276691 JB |
3938 | static int nl80211_parse_sta_wme(struct genl_info *info, |
3939 | struct station_parameters *params) | |
df881293 | 3940 | { |
df881293 JM |
3941 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
3942 | struct nlattr *nla; | |
3943 | int err; | |
3944 | ||
df881293 JM |
3945 | /* parse WME attributes if present */ |
3946 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
3947 | return 0; | |
3948 | ||
3949 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
3950 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
3951 | nl80211_sta_wme_policy); | |
3952 | if (err) | |
3953 | return err; | |
3954 | ||
3955 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
3956 | params->uapsd_queues = nla_get_u8( | |
3957 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
3958 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
3959 | return -EINVAL; | |
3960 | ||
3961 | if (tb[NL80211_STA_WME_MAX_SP]) | |
3962 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
3963 | ||
3964 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
3965 | return -EINVAL; | |
3966 | ||
3967 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
3968 | ||
3969 | return 0; | |
3970 | } | |
3971 | ||
c01fc9ad SD |
3972 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
3973 | struct station_parameters *params) | |
3974 | { | |
3975 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
3976 | params->supported_channels = | |
3977 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
3978 | params->supported_channels_len = | |
3979 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
3980 | /* | |
3981 | * Need to include at least one (first channel, number of | |
3982 | * channels) tuple for each subband, and must have proper | |
3983 | * tuples for the rest of the data as well. | |
3984 | */ | |
3985 | if (params->supported_channels_len < 2) | |
3986 | return -EINVAL; | |
3987 | if (params->supported_channels_len % 2) | |
3988 | return -EINVAL; | |
3989 | } | |
3990 | ||
3991 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
3992 | params->supported_oper_classes = | |
3993 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
3994 | params->supported_oper_classes_len = | |
3995 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
3996 | /* | |
3997 | * The value of the Length field of the Supported Operating | |
3998 | * Classes element is between 2 and 253. | |
3999 | */ | |
4000 | if (params->supported_oper_classes_len < 2 || | |
4001 | params->supported_oper_classes_len > 253) | |
4002 | return -EINVAL; | |
4003 | } | |
4004 | return 0; | |
4005 | } | |
4006 | ||
ff276691 JB |
4007 | static int nl80211_set_station_tdls(struct genl_info *info, |
4008 | struct station_parameters *params) | |
4009 | { | |
c01fc9ad | 4010 | int err; |
ff276691 | 4011 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4012 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4013 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4014 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4015 | params->ht_capa = | |
4016 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4017 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4018 | params->vht_capa = | |
4019 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4020 | ||
c01fc9ad SD |
4021 | err = nl80211_parse_sta_channel_info(info, params); |
4022 | if (err) | |
4023 | return err; | |
4024 | ||
ff276691 JB |
4025 | return nl80211_parse_sta_wme(info, params); |
4026 | } | |
4027 | ||
5727ef1b JB |
4028 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4029 | { | |
4c476991 | 4030 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4031 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4032 | struct station_parameters params; |
77ee7c89 JB |
4033 | u8 *mac_addr; |
4034 | int err; | |
5727ef1b JB |
4035 | |
4036 | memset(¶ms, 0, sizeof(params)); | |
4037 | ||
4038 | params.listen_interval = -1; | |
4039 | ||
77ee7c89 JB |
4040 | if (!rdev->ops->change_station) |
4041 | return -EOPNOTSUPP; | |
4042 | ||
5727ef1b JB |
4043 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4044 | return -EINVAL; | |
4045 | ||
4046 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4047 | return -EINVAL; | |
4048 | ||
4049 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4050 | ||
4051 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4052 | params.supported_rates = | |
4053 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4054 | params.supported_rates_len = | |
4055 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4056 | } | |
4057 | ||
9d62a986 JM |
4058 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4059 | params.capability = | |
4060 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4061 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4062 | } | |
4063 | ||
4064 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4065 | params.ext_capab = | |
4066 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4067 | params.ext_capab_len = | |
4068 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4069 | } | |
4070 | ||
df881293 | 4071 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 4072 | return -EINVAL; |
36aedc90 | 4073 | |
bdd3ae3d | 4074 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4075 | return -EINVAL; |
4076 | ||
f8bacc21 | 4077 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4078 | params.plink_action = |
f8bacc21 JB |
4079 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4080 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4081 | return -EINVAL; | |
4082 | } | |
2ec600d6 | 4083 | |
f8bacc21 | 4084 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4085 | params.plink_state = |
f8bacc21 JB |
4086 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4087 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4088 | return -EINVAL; | |
4089 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
4090 | } | |
9c3990aa | 4091 | |
3b1c5a53 MP |
4092 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4093 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4094 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4095 | ||
4096 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4097 | pm > NL80211_MESH_POWER_MAX) | |
4098 | return -EINVAL; | |
4099 | ||
4100 | params.local_pm = pm; | |
4101 | } | |
4102 | ||
77ee7c89 JB |
4103 | /* Include parameters for TDLS peer (will check later) */ |
4104 | err = nl80211_set_station_tdls(info, ¶ms); | |
4105 | if (err) | |
4106 | return err; | |
4107 | ||
4108 | params.vlan = get_vlan(info, rdev); | |
4109 | if (IS_ERR(params.vlan)) | |
4110 | return PTR_ERR(params.vlan); | |
4111 | ||
a97f4424 JB |
4112 | switch (dev->ieee80211_ptr->iftype) { |
4113 | case NL80211_IFTYPE_AP: | |
4114 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4115 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4116 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4117 | case NL80211_IFTYPE_STATION: |
267335d6 | 4118 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4119 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4120 | break; |
4121 | default: | |
77ee7c89 JB |
4122 | err = -EOPNOTSUPP; |
4123 | goto out_put_vlan; | |
034d655e JB |
4124 | } |
4125 | ||
77ee7c89 | 4126 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4127 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4128 | |
77ee7c89 | 4129 | out_put_vlan: |
5727ef1b JB |
4130 | if (params.vlan) |
4131 | dev_put(params.vlan); | |
3b85875a | 4132 | |
5727ef1b JB |
4133 | return err; |
4134 | } | |
4135 | ||
4136 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4137 | { | |
4c476991 | 4138 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4139 | int err; |
4c476991 | 4140 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4141 | struct station_parameters params; |
4142 | u8 *mac_addr = NULL; | |
4143 | ||
4144 | memset(¶ms, 0, sizeof(params)); | |
4145 | ||
984c311b JB |
4146 | if (!rdev->ops->add_station) |
4147 | return -EOPNOTSUPP; | |
4148 | ||
5727ef1b JB |
4149 | if (!info->attrs[NL80211_ATTR_MAC]) |
4150 | return -EINVAL; | |
4151 | ||
5727ef1b JB |
4152 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4153 | return -EINVAL; | |
4154 | ||
4155 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4156 | return -EINVAL; | |
4157 | ||
5e4b6f56 JM |
4158 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4159 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4160 | return -EINVAL; |
4161 | ||
5727ef1b JB |
4162 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4163 | params.supported_rates = | |
4164 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4165 | params.supported_rates_len = | |
4166 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4167 | params.listen_interval = | |
4168 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4169 | |
3d124ea2 | 4170 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4171 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4172 | else |
4173 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4174 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4175 | return -EINVAL; | |
51b50fbe | 4176 | |
9d62a986 JM |
4177 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4178 | params.capability = | |
4179 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4180 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4181 | } | |
4182 | ||
4183 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4184 | params.ext_capab = | |
4185 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4186 | params.ext_capab_len = | |
4187 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4188 | } | |
4189 | ||
36aedc90 JM |
4190 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4191 | params.ht_capa = | |
4192 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4193 | |
f461be3e MP |
4194 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4195 | params.vht_capa = | |
4196 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4197 | ||
60f4a7b1 MK |
4198 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4199 | params.opmode_notif_used = true; | |
4200 | params.opmode_notif = | |
4201 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4202 | } | |
4203 | ||
f8bacc21 | 4204 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4205 | params.plink_action = |
f8bacc21 JB |
4206 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4207 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4208 | return -EINVAL; | |
4209 | } | |
96b78dff | 4210 | |
c01fc9ad SD |
4211 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4212 | if (err) | |
4213 | return err; | |
4214 | ||
ff276691 JB |
4215 | err = nl80211_parse_sta_wme(info, ¶ms); |
4216 | if (err) | |
4217 | return err; | |
bdd90d5e | 4218 | |
bdd3ae3d | 4219 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4220 | return -EINVAL; |
4221 | ||
77ee7c89 JB |
4222 | /* When you run into this, adjust the code below for the new flag */ |
4223 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4224 | ||
bdd90d5e JB |
4225 | switch (dev->ieee80211_ptr->iftype) { |
4226 | case NL80211_IFTYPE_AP: | |
4227 | case NL80211_IFTYPE_AP_VLAN: | |
4228 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4229 | /* ignore WME attributes if iface/sta is not capable */ |
4230 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4231 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4232 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4233 | |
bdd90d5e | 4234 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4235 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4236 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4237 | return -EINVAL; |
bdd90d5e JB |
4238 | /* but don't bother the driver with it */ |
4239 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4240 | |
d582cffb JB |
4241 | /* allow authenticated/associated only if driver handles it */ |
4242 | if (!(rdev->wiphy.features & | |
4243 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4244 | params.sta_flags_mask & | |
4245 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4246 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4247 | return -EINVAL; | |
4248 | ||
bdd90d5e JB |
4249 | /* must be last in here for error handling */ |
4250 | params.vlan = get_vlan(info, rdev); | |
4251 | if (IS_ERR(params.vlan)) | |
4252 | return PTR_ERR(params.vlan); | |
4253 | break; | |
4254 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4255 | /* ignore uAPSD data */ |
4256 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4257 | ||
d582cffb JB |
4258 | /* associated is disallowed */ |
4259 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4260 | return -EINVAL; | |
bdd90d5e | 4261 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4262 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4263 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4264 | return -EINVAL; |
4265 | break; | |
4266 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4267 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4268 | /* ignore uAPSD data */ |
4269 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4270 | ||
77ee7c89 JB |
4271 | /* these are disallowed */ |
4272 | if (params.sta_flags_mask & | |
4273 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4274 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4275 | return -EINVAL; |
bdd90d5e JB |
4276 | /* Only TDLS peers can be added */ |
4277 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4278 | return -EINVAL; | |
4279 | /* Can only add if TDLS ... */ | |
4280 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4281 | return -EOPNOTSUPP; | |
4282 | /* ... with external setup is supported */ | |
4283 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4284 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4285 | /* |
4286 | * Older wpa_supplicant versions always mark the TDLS peer | |
4287 | * as authorized, but it shouldn't yet be. | |
4288 | */ | |
4289 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4290 | break; |
4291 | default: | |
4292 | return -EOPNOTSUPP; | |
c75786c9 EP |
4293 | } |
4294 | ||
bdd90d5e | 4295 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4296 | |
e35e4d28 | 4297 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4298 | |
5727ef1b JB |
4299 | if (params.vlan) |
4300 | dev_put(params.vlan); | |
5727ef1b JB |
4301 | return err; |
4302 | } | |
4303 | ||
4304 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4305 | { | |
4c476991 JB |
4306 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4307 | struct net_device *dev = info->user_ptr[1]; | |
5727ef1b JB |
4308 | u8 *mac_addr = NULL; |
4309 | ||
4310 | if (info->attrs[NL80211_ATTR_MAC]) | |
4311 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4312 | ||
e80cf853 | 4313 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4314 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4315 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4316 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4317 | return -EINVAL; | |
5727ef1b | 4318 | |
4c476991 JB |
4319 | if (!rdev->ops->del_station) |
4320 | return -EOPNOTSUPP; | |
3b85875a | 4321 | |
e35e4d28 | 4322 | return rdev_del_station(rdev, dev, mac_addr); |
5727ef1b JB |
4323 | } |
4324 | ||
15e47304 | 4325 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4326 | int flags, struct net_device *dev, |
4327 | u8 *dst, u8 *next_hop, | |
4328 | struct mpath_info *pinfo) | |
4329 | { | |
4330 | void *hdr; | |
4331 | struct nlattr *pinfoattr; | |
4332 | ||
15e47304 | 4333 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
2ec600d6 LCC |
4334 | if (!hdr) |
4335 | return -1; | |
4336 | ||
9360ffd1 DM |
4337 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4338 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4339 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4340 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4341 | goto nla_put_failure; | |
f5ea9120 | 4342 | |
2ec600d6 LCC |
4343 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4344 | if (!pinfoattr) | |
4345 | goto nla_put_failure; | |
9360ffd1 DM |
4346 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4347 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4348 | pinfo->frame_qlen)) | |
4349 | goto nla_put_failure; | |
4350 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4351 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4352 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4353 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4354 | pinfo->metric)) || | |
4355 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4356 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4357 | pinfo->exptime)) || | |
4358 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4359 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4360 | pinfo->flags)) || | |
4361 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4362 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4363 | pinfo->discovery_timeout)) || | |
4364 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4365 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4366 | pinfo->discovery_retries))) | |
4367 | goto nla_put_failure; | |
2ec600d6 LCC |
4368 | |
4369 | nla_nest_end(msg, pinfoattr); | |
4370 | ||
4371 | return genlmsg_end(msg, hdr); | |
4372 | ||
4373 | nla_put_failure: | |
bc3ed28c TG |
4374 | genlmsg_cancel(msg, hdr); |
4375 | return -EMSGSIZE; | |
2ec600d6 LCC |
4376 | } |
4377 | ||
4378 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4379 | struct netlink_callback *cb) |
2ec600d6 | 4380 | { |
2ec600d6 LCC |
4381 | struct mpath_info pinfo; |
4382 | struct cfg80211_registered_device *dev; | |
97990a06 | 4383 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4384 | u8 dst[ETH_ALEN]; |
4385 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4386 | int path_idx = cb->args[2]; |
2ec600d6 | 4387 | int err; |
2ec600d6 | 4388 | |
97990a06 | 4389 | err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
4390 | if (err) |
4391 | return err; | |
bba95fef JB |
4392 | |
4393 | if (!dev->ops->dump_mpath) { | |
eec60b03 | 4394 | err = -EOPNOTSUPP; |
bba95fef JB |
4395 | goto out_err; |
4396 | } | |
4397 | ||
97990a06 | 4398 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4399 | err = -EOPNOTSUPP; |
0448b5fc | 4400 | goto out_err; |
eec60b03 JM |
4401 | } |
4402 | ||
bba95fef | 4403 | while (1) { |
97990a06 JB |
4404 | err = rdev_dump_mpath(dev, wdev->netdev, path_idx, dst, |
4405 | next_hop, &pinfo); | |
bba95fef | 4406 | if (err == -ENOENT) |
2ec600d6 | 4407 | break; |
bba95fef | 4408 | if (err) |
3b85875a | 4409 | goto out_err; |
2ec600d6 | 4410 | |
15e47304 | 4411 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4412 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4413 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4414 | &pinfo) < 0) |
4415 | goto out; | |
2ec600d6 | 4416 | |
bba95fef | 4417 | path_idx++; |
2ec600d6 | 4418 | } |
2ec600d6 | 4419 | |
2ec600d6 | 4420 | |
bba95fef | 4421 | out: |
97990a06 | 4422 | cb->args[2] = path_idx; |
bba95fef | 4423 | err = skb->len; |
bba95fef | 4424 | out_err: |
97990a06 | 4425 | nl80211_finish_wdev_dump(dev); |
bba95fef | 4426 | return err; |
2ec600d6 LCC |
4427 | } |
4428 | ||
4429 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4430 | { | |
4c476991 | 4431 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4432 | int err; |
4c476991 | 4433 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4434 | struct mpath_info pinfo; |
4435 | struct sk_buff *msg; | |
4436 | u8 *dst = NULL; | |
4437 | u8 next_hop[ETH_ALEN]; | |
4438 | ||
4439 | memset(&pinfo, 0, sizeof(pinfo)); | |
4440 | ||
4441 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4442 | return -EINVAL; | |
4443 | ||
4444 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4445 | ||
4c476991 JB |
4446 | if (!rdev->ops->get_mpath) |
4447 | return -EOPNOTSUPP; | |
2ec600d6 | 4448 | |
4c476991 JB |
4449 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4450 | return -EOPNOTSUPP; | |
eec60b03 | 4451 | |
e35e4d28 | 4452 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4453 | if (err) |
4c476991 | 4454 | return err; |
2ec600d6 | 4455 | |
fd2120ca | 4456 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4457 | if (!msg) |
4c476991 | 4458 | return -ENOMEM; |
2ec600d6 | 4459 | |
15e47304 | 4460 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4461 | dev, dst, next_hop, &pinfo) < 0) { |
4462 | nlmsg_free(msg); | |
4463 | return -ENOBUFS; | |
4464 | } | |
3b85875a | 4465 | |
4c476991 | 4466 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4467 | } |
4468 | ||
4469 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4470 | { | |
4c476991 JB |
4471 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4472 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4473 | u8 *dst = NULL; |
4474 | u8 *next_hop = NULL; | |
4475 | ||
4476 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4477 | return -EINVAL; | |
4478 | ||
4479 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4480 | return -EINVAL; | |
4481 | ||
4482 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4483 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4484 | ||
4c476991 JB |
4485 | if (!rdev->ops->change_mpath) |
4486 | return -EOPNOTSUPP; | |
35a8efe1 | 4487 | |
4c476991 JB |
4488 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4489 | return -EOPNOTSUPP; | |
2ec600d6 | 4490 | |
e35e4d28 | 4491 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4492 | } |
4c476991 | 4493 | |
2ec600d6 LCC |
4494 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4495 | { | |
4c476991 JB |
4496 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4497 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4498 | u8 *dst = NULL; |
4499 | u8 *next_hop = NULL; | |
4500 | ||
4501 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4502 | return -EINVAL; | |
4503 | ||
4504 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4505 | return -EINVAL; | |
4506 | ||
4507 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4508 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4509 | ||
4c476991 JB |
4510 | if (!rdev->ops->add_mpath) |
4511 | return -EOPNOTSUPP; | |
35a8efe1 | 4512 | |
4c476991 JB |
4513 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4514 | return -EOPNOTSUPP; | |
2ec600d6 | 4515 | |
e35e4d28 | 4516 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4517 | } |
4518 | ||
4519 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4520 | { | |
4c476991 JB |
4521 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4522 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4523 | u8 *dst = NULL; |
4524 | ||
4525 | if (info->attrs[NL80211_ATTR_MAC]) | |
4526 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4527 | ||
4c476991 JB |
4528 | if (!rdev->ops->del_mpath) |
4529 | return -EOPNOTSUPP; | |
3b85875a | 4530 | |
e35e4d28 | 4531 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4532 | } |
4533 | ||
9f1ba906 JM |
4534 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4535 | { | |
4c476991 JB |
4536 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4537 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 4538 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 4539 | struct bss_parameters params; |
c56589ed | 4540 | int err; |
9f1ba906 JM |
4541 | |
4542 | memset(¶ms, 0, sizeof(params)); | |
4543 | /* default to not changing parameters */ | |
4544 | params.use_cts_prot = -1; | |
4545 | params.use_short_preamble = -1; | |
4546 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4547 | params.ap_isolate = -1; |
50b12f59 | 4548 | params.ht_opmode = -1; |
53cabad7 JB |
4549 | params.p2p_ctwindow = -1; |
4550 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4551 | |
4552 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4553 | params.use_cts_prot = | |
4554 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4555 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4556 | params.use_short_preamble = | |
4557 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4558 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4559 | params.use_short_slot_time = | |
4560 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4561 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4562 | params.basic_rates = | |
4563 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4564 | params.basic_rates_len = | |
4565 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4566 | } | |
fd8aaaf3 FF |
4567 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4568 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4569 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4570 | params.ht_opmode = | |
4571 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4572 | |
53cabad7 JB |
4573 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4574 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4575 | return -EINVAL; | |
4576 | params.p2p_ctwindow = | |
4577 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4578 | if (params.p2p_ctwindow < 0) | |
4579 | return -EINVAL; | |
4580 | if (params.p2p_ctwindow != 0 && | |
4581 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4582 | return -EINVAL; | |
4583 | } | |
4584 | ||
4585 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4586 | u8 tmp; | |
4587 | ||
4588 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4589 | return -EINVAL; | |
4590 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4591 | if (tmp > 1) | |
4592 | return -EINVAL; | |
4593 | params.p2p_opp_ps = tmp; | |
4594 | if (params.p2p_opp_ps && | |
4595 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4596 | return -EINVAL; | |
4597 | } | |
4598 | ||
4c476991 JB |
4599 | if (!rdev->ops->change_bss) |
4600 | return -EOPNOTSUPP; | |
9f1ba906 | 4601 | |
074ac8df | 4602 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4603 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4604 | return -EOPNOTSUPP; | |
3b85875a | 4605 | |
c56589ed SW |
4606 | wdev_lock(wdev); |
4607 | err = rdev_change_bss(rdev, dev, ¶ms); | |
4608 | wdev_unlock(wdev); | |
4609 | ||
4610 | return err; | |
9f1ba906 JM |
4611 | } |
4612 | ||
b54452b0 | 4613 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4614 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4615 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4616 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4617 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4618 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4619 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
4620 | }; | |
4621 | ||
4622 | static int parse_reg_rule(struct nlattr *tb[], | |
4623 | struct ieee80211_reg_rule *reg_rule) | |
4624 | { | |
4625 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4626 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4627 | ||
4628 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4629 | return -EINVAL; | |
4630 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4631 | return -EINVAL; | |
4632 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4633 | return -EINVAL; | |
4634 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
4635 | return -EINVAL; | |
4636 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
4637 | return -EINVAL; | |
4638 | ||
4639 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4640 | ||
4641 | freq_range->start_freq_khz = | |
4642 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4643 | freq_range->end_freq_khz = | |
4644 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
4645 | freq_range->max_bandwidth_khz = | |
4646 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
4647 | ||
4648 | power_rule->max_eirp = | |
4649 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4650 | ||
4651 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4652 | power_rule->max_antenna_gain = | |
4653 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4654 | ||
4655 | return 0; | |
4656 | } | |
4657 | ||
4658 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4659 | { | |
4660 | int r; | |
4661 | char *data = NULL; | |
57b5ce07 | 4662 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 4663 | |
80778f18 LR |
4664 | /* |
4665 | * You should only get this when cfg80211 hasn't yet initialized | |
4666 | * completely when built-in to the kernel right between the time | |
4667 | * window between nl80211_init() and regulatory_init(), if that is | |
4668 | * even possible. | |
4669 | */ | |
458f4f9e | 4670 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4671 | return -EINPROGRESS; |
80778f18 | 4672 | |
fe33eb39 LR |
4673 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
4674 | return -EINVAL; | |
b2e1b302 LR |
4675 | |
4676 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4677 | ||
57b5ce07 LR |
4678 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
4679 | user_reg_hint_type = | |
4680 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
4681 | else | |
4682 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
4683 | ||
4684 | switch (user_reg_hint_type) { | |
4685 | case NL80211_USER_REG_HINT_USER: | |
4686 | case NL80211_USER_REG_HINT_CELL_BASE: | |
4687 | break; | |
4688 | default: | |
4689 | return -EINVAL; | |
4690 | } | |
4691 | ||
4692 | r = regulatory_hint_user(data, user_reg_hint_type); | |
fe33eb39 | 4693 | |
b2e1b302 LR |
4694 | return r; |
4695 | } | |
4696 | ||
24bdd9f4 | 4697 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 4698 | struct genl_info *info) |
93da9cc1 | 4699 | { |
4c476991 | 4700 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4701 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
4702 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4703 | struct mesh_config cur_params; | |
4704 | int err = 0; | |
93da9cc1 | 4705 | void *hdr; |
4706 | struct nlattr *pinfoattr; | |
4707 | struct sk_buff *msg; | |
4708 | ||
29cbe68c JB |
4709 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4710 | return -EOPNOTSUPP; | |
4711 | ||
24bdd9f4 | 4712 | if (!rdev->ops->get_mesh_config) |
4c476991 | 4713 | return -EOPNOTSUPP; |
f3f92586 | 4714 | |
29cbe68c JB |
4715 | wdev_lock(wdev); |
4716 | /* If not connected, get default parameters */ | |
4717 | if (!wdev->mesh_id_len) | |
4718 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4719 | else | |
e35e4d28 | 4720 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4721 | wdev_unlock(wdev); |
4722 | ||
93da9cc1 | 4723 | if (err) |
4c476991 | 4724 | return err; |
93da9cc1 | 4725 | |
4726 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4727 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4728 | if (!msg) |
4729 | return -ENOMEM; | |
15e47304 | 4730 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4731 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4732 | if (!hdr) |
efe1cf0c | 4733 | goto out; |
24bdd9f4 | 4734 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4735 | if (!pinfoattr) |
4736 | goto nla_put_failure; | |
9360ffd1 DM |
4737 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4738 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4739 | cur_params.dot11MeshRetryTimeout) || | |
4740 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4741 | cur_params.dot11MeshConfirmTimeout) || | |
4742 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4743 | cur_params.dot11MeshHoldingTimeout) || | |
4744 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
4745 | cur_params.dot11MeshMaxPeerLinks) || | |
4746 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
4747 | cur_params.dot11MeshMaxRetries) || | |
4748 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
4749 | cur_params.dot11MeshTTL) || | |
4750 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
4751 | cur_params.element_ttl) || | |
4752 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
4753 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
4754 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4755 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
4756 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4757 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
4758 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
4759 | cur_params.path_refresh_time) || | |
4760 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
4761 | cur_params.min_discovery_timeout) || | |
4762 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
4763 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
4764 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
4765 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
4766 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
4767 | cur_params.dot11MeshHWMPperrMinInterval) || | |
4768 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
4769 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
4770 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4771 | cur_params.dot11MeshHWMPRootMode) || | |
4772 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
4773 | cur_params.dot11MeshHWMPRannInterval) || | |
4774 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
4775 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
4776 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
4777 | cur_params.dot11MeshForwarding) || | |
4778 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
4779 | cur_params.rssi_threshold) || |
4780 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
4781 | cur_params.ht_opmode) || |
4782 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
4783 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
4784 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
4785 | cur_params.dot11MeshHWMProotInterval) || |
4786 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
4787 | cur_params.dot11MeshHWMPconfirmationInterval) || |
4788 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
4789 | cur_params.power_mode) || | |
4790 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
4791 | cur_params.dot11MeshAwakeWindowDuration) || |
4792 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4793 | cur_params.plink_timeout)) | |
9360ffd1 | 4794 | goto nla_put_failure; |
93da9cc1 | 4795 | nla_nest_end(msg, pinfoattr); |
4796 | genlmsg_end(msg, hdr); | |
4c476991 | 4797 | return genlmsg_reply(msg, info); |
93da9cc1 | 4798 | |
3b85875a | 4799 | nla_put_failure: |
93da9cc1 | 4800 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 4801 | out: |
d080e275 | 4802 | nlmsg_free(msg); |
4c476991 | 4803 | return -ENOBUFS; |
93da9cc1 | 4804 | } |
4805 | ||
b54452b0 | 4806 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 4807 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
4808 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
4809 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
4810 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
4811 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
4812 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 4813 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 4814 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 4815 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 4816 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
4817 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
4818 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
4819 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
4820 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 4821 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 4822 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 4823 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 4824 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 4825 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 4826 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
4827 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
4828 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
4829 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
4830 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 4831 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
4832 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
4833 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 4834 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 4835 | }; |
4836 | ||
c80d545d JC |
4837 | static const struct nla_policy |
4838 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 4839 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
4840 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
4841 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 4842 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 4843 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 4844 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 4845 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 4846 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 4847 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
4848 | }; |
4849 | ||
24bdd9f4 | 4850 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
4851 | struct mesh_config *cfg, |
4852 | u32 *mask_out) | |
93da9cc1 | 4853 | { |
93da9cc1 | 4854 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 4855 | u32 mask = 0; |
93da9cc1 | 4856 | |
ea54fba2 MP |
4857 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
4858 | do { \ | |
4859 | if (tb[attr]) { \ | |
4860 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
4861 | return -EINVAL; \ | |
4862 | cfg->param = fn(tb[attr]); \ | |
4863 | mask |= (1 << (attr - 1)); \ | |
4864 | } \ | |
4865 | } while (0) | |
bd90fdcc JB |
4866 | |
4867 | ||
24bdd9f4 | 4868 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 4869 | return -EINVAL; |
4870 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 4871 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 4872 | nl80211_meshconf_params_policy)) |
93da9cc1 | 4873 | return -EINVAL; |
4874 | ||
93da9cc1 | 4875 | /* This makes sure that there aren't more than 32 mesh config |
4876 | * parameters (otherwise our bitfield scheme would not work.) */ | |
4877 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
4878 | ||
4879 | /* Fill in the params struct */ | |
ea54fba2 | 4880 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
4881 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
4882 | nla_get_u16); | |
ea54fba2 | 4883 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
4884 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
4885 | nla_get_u16); | |
ea54fba2 | 4886 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
4887 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
4888 | nla_get_u16); | |
ea54fba2 | 4889 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
4890 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
4891 | nla_get_u16); | |
ea54fba2 | 4892 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
4893 | mask, NL80211_MESHCONF_MAX_RETRIES, |
4894 | nla_get_u8); | |
ea54fba2 | 4895 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 4896 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 4897 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
4898 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
4899 | nla_get_u8); | |
ea54fba2 | 4900 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
4901 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
4902 | nla_get_u8); | |
ea54fba2 MP |
4903 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
4904 | 1, 255, mask, | |
a4f606ea CYY |
4905 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
4906 | nla_get_u32); | |
ea54fba2 | 4907 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
4908 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
4909 | nla_get_u8); | |
ea54fba2 | 4910 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
4911 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
4912 | nla_get_u32); | |
ea54fba2 | 4913 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
4914 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
4915 | nla_get_u16); | |
ea54fba2 MP |
4916 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
4917 | 1, 65535, mask, | |
a4f606ea CYY |
4918 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
4919 | nla_get_u32); | |
93da9cc1 | 4920 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
4921 | 1, 65535, mask, |
4922 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 4923 | nla_get_u16); |
dca7e943 | 4924 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
4925 | 1, 65535, mask, |
4926 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 4927 | nla_get_u16); |
93da9cc1 | 4928 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4929 | dot11MeshHWMPnetDiameterTraversalTime, |
4930 | 1, 65535, mask, | |
a4f606ea CYY |
4931 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
4932 | nla_get_u16); | |
ea54fba2 MP |
4933 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
4934 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
4935 | nla_get_u8); | |
4936 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
4937 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 4938 | nla_get_u16); |
63c5723b | 4939 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
4940 | dot11MeshGateAnnouncementProtocol, 0, 1, |
4941 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 4942 | nla_get_u8); |
ea54fba2 | 4943 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
4944 | mask, NL80211_MESHCONF_FORWARDING, |
4945 | nla_get_u8); | |
83374fe9 | 4946 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 4947 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
83374fe9 | 4948 | nla_get_s32); |
ea54fba2 | 4949 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 4950 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
4951 | nla_get_u16); |
4952 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 4953 | 1, 65535, mask, |
ac1073a6 CYY |
4954 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
4955 | nla_get_u32); | |
ea54fba2 | 4956 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 4957 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
4958 | nla_get_u16); |
4959 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
4960 | dot11MeshHWMPconfirmationInterval, |
4961 | 1, 65535, mask, | |
728b19e5 | 4962 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 4963 | nla_get_u16); |
3b1c5a53 MP |
4964 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
4965 | NL80211_MESH_POWER_ACTIVE, | |
4966 | NL80211_MESH_POWER_MAX, | |
4967 | mask, NL80211_MESHCONF_POWER_MODE, | |
4968 | nla_get_u32); | |
4969 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
4970 | 0, 65535, mask, | |
4971 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
8e7c0538 CT |
4972 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff, |
4973 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, | |
4974 | nla_get_u32); | |
bd90fdcc JB |
4975 | if (mask_out) |
4976 | *mask_out = mask; | |
c80d545d | 4977 | |
bd90fdcc JB |
4978 | return 0; |
4979 | ||
4980 | #undef FILL_IN_MESH_PARAM_IF_SET | |
4981 | } | |
4982 | ||
c80d545d JC |
4983 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
4984 | struct mesh_setup *setup) | |
4985 | { | |
bb2798d4 | 4986 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
4987 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
4988 | ||
4989 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
4990 | return -EINVAL; | |
4991 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
4992 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
4993 | nl80211_mesh_setup_params_policy)) | |
4994 | return -EINVAL; | |
4995 | ||
d299a1f2 JC |
4996 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
4997 | setup->sync_method = | |
4998 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
4999 | IEEE80211_SYNC_METHOD_VENDOR : | |
5000 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
5001 | ||
c80d545d JC |
5002 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
5003 | setup->path_sel_proto = | |
5004 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
5005 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
5006 | IEEE80211_PATH_PROTOCOL_HWMP; | |
5007 | ||
5008 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
5009 | setup->path_metric = | |
5010 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
5011 | IEEE80211_PATH_METRIC_VENDOR : | |
5012 | IEEE80211_PATH_METRIC_AIRTIME; | |
5013 | ||
581a8b0f JC |
5014 | |
5015 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 5016 | struct nlattr *ieattr = |
581a8b0f | 5017 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
5018 | if (!is_valid_ie_attr(ieattr)) |
5019 | return -EINVAL; | |
581a8b0f JC |
5020 | setup->ie = nla_data(ieattr); |
5021 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 5022 | } |
bb2798d4 TP |
5023 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
5024 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
5025 | return -EINVAL; | |
5026 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
5027 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5028 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5029 | if (setup->is_secure) |
5030 | setup->user_mpm = true; | |
c80d545d | 5031 | |
6e16d90b CT |
5032 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
5033 | if (!setup->user_mpm) | |
5034 | return -EINVAL; | |
5035 | setup->auth_id = | |
5036 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
5037 | } | |
5038 | ||
c80d545d JC |
5039 | return 0; |
5040 | } | |
5041 | ||
24bdd9f4 | 5042 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 5043 | struct genl_info *info) |
bd90fdcc JB |
5044 | { |
5045 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5046 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 5047 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
5048 | struct mesh_config cfg; |
5049 | u32 mask; | |
5050 | int err; | |
5051 | ||
29cbe68c JB |
5052 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5053 | return -EOPNOTSUPP; | |
5054 | ||
24bdd9f4 | 5055 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
5056 | return -EOPNOTSUPP; |
5057 | ||
24bdd9f4 | 5058 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
5059 | if (err) |
5060 | return err; | |
5061 | ||
29cbe68c JB |
5062 | wdev_lock(wdev); |
5063 | if (!wdev->mesh_id_len) | |
5064 | err = -ENOLINK; | |
5065 | ||
5066 | if (!err) | |
e35e4d28 | 5067 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
5068 | |
5069 | wdev_unlock(wdev); | |
5070 | ||
5071 | return err; | |
93da9cc1 | 5072 | } |
5073 | ||
f130347c LR |
5074 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
5075 | { | |
458f4f9e | 5076 | const struct ieee80211_regdomain *regdom; |
f130347c LR |
5077 | struct sk_buff *msg; |
5078 | void *hdr = NULL; | |
5079 | struct nlattr *nl_reg_rules; | |
5080 | unsigned int i; | |
f130347c LR |
5081 | |
5082 | if (!cfg80211_regdomain) | |
5fe231e8 | 5083 | return -EINVAL; |
f130347c | 5084 | |
fd2120ca | 5085 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
5fe231e8 JB |
5086 | if (!msg) |
5087 | return -ENOBUFS; | |
f130347c | 5088 | |
15e47304 | 5089 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
f130347c LR |
5090 | NL80211_CMD_GET_REG); |
5091 | if (!hdr) | |
efe1cf0c | 5092 | goto put_failure; |
f130347c | 5093 | |
57b5ce07 LR |
5094 | if (reg_last_request_cell_base() && |
5095 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5096 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5097 | goto nla_put_failure; | |
5098 | ||
458f4f9e JB |
5099 | rcu_read_lock(); |
5100 | regdom = rcu_dereference(cfg80211_regdomain); | |
5101 | ||
5102 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || | |
5103 | (regdom->dfs_region && | |
5104 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
5105 | goto nla_put_failure_rcu; | |
5106 | ||
f130347c LR |
5107 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
5108 | if (!nl_reg_rules) | |
458f4f9e | 5109 | goto nla_put_failure_rcu; |
f130347c | 5110 | |
458f4f9e | 5111 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
5112 | struct nlattr *nl_reg_rule; |
5113 | const struct ieee80211_reg_rule *reg_rule; | |
5114 | const struct ieee80211_freq_range *freq_range; | |
5115 | const struct ieee80211_power_rule *power_rule; | |
5116 | ||
458f4f9e | 5117 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
5118 | freq_range = ®_rule->freq_range; |
5119 | power_rule = ®_rule->power_rule; | |
5120 | ||
5121 | nl_reg_rule = nla_nest_start(msg, i); | |
5122 | if (!nl_reg_rule) | |
458f4f9e | 5123 | goto nla_put_failure_rcu; |
f130347c | 5124 | |
9360ffd1 DM |
5125 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
5126 | reg_rule->flags) || | |
5127 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
5128 | freq_range->start_freq_khz) || | |
5129 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5130 | freq_range->end_freq_khz) || | |
5131 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
5132 | freq_range->max_bandwidth_khz) || | |
5133 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, | |
5134 | power_rule->max_antenna_gain) || | |
5135 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
5136 | power_rule->max_eirp)) | |
458f4f9e | 5137 | goto nla_put_failure_rcu; |
f130347c LR |
5138 | |
5139 | nla_nest_end(msg, nl_reg_rule); | |
5140 | } | |
458f4f9e | 5141 | rcu_read_unlock(); |
f130347c LR |
5142 | |
5143 | nla_nest_end(msg, nl_reg_rules); | |
5144 | ||
5145 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5146 | return genlmsg_reply(msg, info); |
f130347c | 5147 | |
458f4f9e JB |
5148 | nla_put_failure_rcu: |
5149 | rcu_read_unlock(); | |
f130347c LR |
5150 | nla_put_failure: |
5151 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5152 | put_failure: |
d080e275 | 5153 | nlmsg_free(msg); |
5fe231e8 | 5154 | return -EMSGSIZE; |
f130347c LR |
5155 | } |
5156 | ||
b2e1b302 LR |
5157 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5158 | { | |
5159 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5160 | struct nlattr *nl_reg_rule; | |
5161 | char *alpha2 = NULL; | |
5162 | int rem_reg_rules = 0, r = 0; | |
5163 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
4c7d3982 | 5164 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
b2e1b302 LR |
5165 | struct ieee80211_regdomain *rd = NULL; |
5166 | ||
5167 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5168 | return -EINVAL; | |
5169 | ||
5170 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5171 | return -EINVAL; | |
5172 | ||
5173 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5174 | ||
8b60b078 LR |
5175 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5176 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5177 | ||
b2e1b302 | 5178 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5179 | rem_reg_rules) { |
b2e1b302 LR |
5180 | num_rules++; |
5181 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5182 | return -EINVAL; |
b2e1b302 LR |
5183 | } |
5184 | ||
e438768f LR |
5185 | if (!reg_is_valid_request(alpha2)) |
5186 | return -EINVAL; | |
5187 | ||
b2e1b302 | 5188 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5189 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5190 | |
5191 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5192 | if (!rd) |
5193 | return -ENOMEM; | |
b2e1b302 LR |
5194 | |
5195 | rd->n_reg_rules = num_rules; | |
5196 | rd->alpha2[0] = alpha2[0]; | |
5197 | rd->alpha2[1] = alpha2[1]; | |
5198 | ||
8b60b078 LR |
5199 | /* |
5200 | * Disable DFS master mode if the DFS region was | |
5201 | * not supported or known on this kernel. | |
5202 | */ | |
5203 | if (reg_supported_dfs_region(dfs_region)) | |
5204 | rd->dfs_region = dfs_region; | |
5205 | ||
b2e1b302 | 5206 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5207 | rem_reg_rules) { |
b2e1b302 | 5208 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
1a919318 JB |
5209 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), |
5210 | reg_rule_policy); | |
b2e1b302 LR |
5211 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5212 | if (r) | |
5213 | goto bad_reg; | |
5214 | ||
5215 | rule_idx++; | |
5216 | ||
d0e18f83 LR |
5217 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5218 | r = -EINVAL; | |
b2e1b302 | 5219 | goto bad_reg; |
d0e18f83 | 5220 | } |
b2e1b302 LR |
5221 | } |
5222 | ||
b2e1b302 | 5223 | r = set_regdom(rd); |
6913b49a | 5224 | /* set_regdom took ownership */ |
1a919318 | 5225 | rd = NULL; |
b2e1b302 | 5226 | |
d2372b31 | 5227 | bad_reg: |
b2e1b302 | 5228 | kfree(rd); |
d0e18f83 | 5229 | return r; |
b2e1b302 LR |
5230 | } |
5231 | ||
83f5e2cf JB |
5232 | static int validate_scan_freqs(struct nlattr *freqs) |
5233 | { | |
5234 | struct nlattr *attr1, *attr2; | |
5235 | int n_channels = 0, tmp1, tmp2; | |
5236 | ||
5237 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5238 | n_channels++; | |
5239 | /* | |
5240 | * Some hardware has a limited channel list for | |
5241 | * scanning, and it is pretty much nonsensical | |
5242 | * to scan for a channel twice, so disallow that | |
5243 | * and don't require drivers to check that the | |
5244 | * channel list they get isn't longer than what | |
5245 | * they can scan, as long as they can scan all | |
5246 | * the channels they registered at once. | |
5247 | */ | |
5248 | nla_for_each_nested(attr2, freqs, tmp2) | |
5249 | if (attr1 != attr2 && | |
5250 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5251 | return 0; | |
5252 | } | |
5253 | ||
5254 | return n_channels; | |
5255 | } | |
5256 | ||
2a519311 JB |
5257 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5258 | { | |
4c476991 | 5259 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5260 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5261 | struct cfg80211_scan_request *request; |
2a519311 JB |
5262 | struct nlattr *attr; |
5263 | struct wiphy *wiphy; | |
83f5e2cf | 5264 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5265 | size_t ie_len; |
2a519311 | 5266 | |
f4a11bb0 JB |
5267 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5268 | return -EINVAL; | |
5269 | ||
79c97e97 | 5270 | wiphy = &rdev->wiphy; |
2a519311 | 5271 | |
4c476991 JB |
5272 | if (!rdev->ops->scan) |
5273 | return -EOPNOTSUPP; | |
2a519311 | 5274 | |
f9f47529 JB |
5275 | if (rdev->scan_req) { |
5276 | err = -EBUSY; | |
5277 | goto unlock; | |
5278 | } | |
2a519311 JB |
5279 | |
5280 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5281 | n_channels = validate_scan_freqs( |
5282 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5283 | if (!n_channels) { |
5284 | err = -EINVAL; | |
5285 | goto unlock; | |
5286 | } | |
2a519311 | 5287 | } else { |
34850ab2 | 5288 | enum ieee80211_band band; |
83f5e2cf JB |
5289 | n_channels = 0; |
5290 | ||
2a519311 JB |
5291 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
5292 | if (wiphy->bands[band]) | |
5293 | n_channels += wiphy->bands[band]->n_channels; | |
5294 | } | |
5295 | ||
5296 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5297 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5298 | n_ssids++; | |
5299 | ||
f9f47529 JB |
5300 | if (n_ssids > wiphy->max_scan_ssids) { |
5301 | err = -EINVAL; | |
5302 | goto unlock; | |
5303 | } | |
2a519311 | 5304 | |
70692ad2 JM |
5305 | if (info->attrs[NL80211_ATTR_IE]) |
5306 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5307 | else | |
5308 | ie_len = 0; | |
5309 | ||
f9f47529 JB |
5310 | if (ie_len > wiphy->max_scan_ie_len) { |
5311 | err = -EINVAL; | |
5312 | goto unlock; | |
5313 | } | |
18a83659 | 5314 | |
2a519311 | 5315 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5316 | + sizeof(*request->ssids) * n_ssids |
5317 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5318 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5319 | if (!request) { |
5320 | err = -ENOMEM; | |
5321 | goto unlock; | |
5322 | } | |
2a519311 | 5323 | |
2a519311 | 5324 | if (n_ssids) |
5ba63533 | 5325 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5326 | request->n_ssids = n_ssids; |
70692ad2 JM |
5327 | if (ie_len) { |
5328 | if (request->ssids) | |
5329 | request->ie = (void *)(request->ssids + n_ssids); | |
5330 | else | |
5331 | request->ie = (void *)(request->channels + n_channels); | |
5332 | } | |
2a519311 | 5333 | |
584991dc | 5334 | i = 0; |
2a519311 JB |
5335 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5336 | /* user specified, bail out if channel not found */ | |
2a519311 | 5337 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5338 | struct ieee80211_channel *chan; |
5339 | ||
5340 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5341 | ||
5342 | if (!chan) { | |
2a519311 JB |
5343 | err = -EINVAL; |
5344 | goto out_free; | |
5345 | } | |
584991dc JB |
5346 | |
5347 | /* ignore disabled channels */ | |
5348 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5349 | continue; | |
5350 | ||
5351 | request->channels[i] = chan; | |
2a519311 JB |
5352 | i++; |
5353 | } | |
5354 | } else { | |
34850ab2 JB |
5355 | enum ieee80211_band band; |
5356 | ||
2a519311 | 5357 | /* all channels */ |
2a519311 JB |
5358 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5359 | int j; | |
5360 | if (!wiphy->bands[band]) | |
5361 | continue; | |
5362 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5363 | struct ieee80211_channel *chan; |
5364 | ||
5365 | chan = &wiphy->bands[band]->channels[j]; | |
5366 | ||
5367 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5368 | continue; | |
5369 | ||
5370 | request->channels[i] = chan; | |
2a519311 JB |
5371 | i++; |
5372 | } | |
5373 | } | |
5374 | } | |
5375 | ||
584991dc JB |
5376 | if (!i) { |
5377 | err = -EINVAL; | |
5378 | goto out_free; | |
5379 | } | |
5380 | ||
5381 | request->n_channels = i; | |
5382 | ||
2a519311 JB |
5383 | i = 0; |
5384 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5385 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 5386 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5387 | err = -EINVAL; |
5388 | goto out_free; | |
5389 | } | |
57a27e1d | 5390 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5391 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5392 | i++; |
5393 | } | |
5394 | } | |
5395 | ||
70692ad2 JM |
5396 | if (info->attrs[NL80211_ATTR_IE]) { |
5397 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5398 | memcpy((void *)request->ie, |
5399 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5400 | request->ie_len); |
5401 | } | |
5402 | ||
34850ab2 | 5403 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5404 | if (wiphy->bands[i]) |
5405 | request->rates[i] = | |
5406 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5407 | |
5408 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5409 | nla_for_each_nested(attr, | |
5410 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5411 | tmp) { | |
5412 | enum ieee80211_band band = nla_type(attr); | |
5413 | ||
84404623 | 5414 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5415 | err = -EINVAL; |
5416 | goto out_free; | |
5417 | } | |
1b09cd82 FF |
5418 | |
5419 | if (!wiphy->bands[band]) | |
5420 | continue; | |
5421 | ||
34850ab2 JB |
5422 | err = ieee80211_get_ratemask(wiphy->bands[band], |
5423 | nla_data(attr), | |
5424 | nla_len(attr), | |
5425 | &request->rates[band]); | |
5426 | if (err) | |
5427 | goto out_free; | |
5428 | } | |
5429 | } | |
5430 | ||
46856bbf | 5431 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5432 | request->flags = nla_get_u32( |
5433 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5434 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5435 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5436 | err = -EOPNOTSUPP; |
5437 | goto out_free; | |
5438 | } | |
5439 | } | |
ed473771 | 5440 | |
e9f935e3 RM |
5441 | request->no_cck = |
5442 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5443 | ||
fd014284 | 5444 | request->wdev = wdev; |
79c97e97 | 5445 | request->wiphy = &rdev->wiphy; |
15d6030b | 5446 | request->scan_start = jiffies; |
2a519311 | 5447 | |
79c97e97 | 5448 | rdev->scan_req = request; |
e35e4d28 | 5449 | err = rdev_scan(rdev, request); |
2a519311 | 5450 | |
463d0183 | 5451 | if (!err) { |
fd014284 JB |
5452 | nl80211_send_scan_start(rdev, wdev); |
5453 | if (wdev->netdev) | |
5454 | dev_hold(wdev->netdev); | |
4c476991 | 5455 | } else { |
2a519311 | 5456 | out_free: |
79c97e97 | 5457 | rdev->scan_req = NULL; |
2a519311 JB |
5458 | kfree(request); |
5459 | } | |
3b85875a | 5460 | |
f9f47529 | 5461 | unlock: |
2a519311 JB |
5462 | return err; |
5463 | } | |
5464 | ||
807f8a8c LC |
5465 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
5466 | struct genl_info *info) | |
5467 | { | |
5468 | struct cfg80211_sched_scan_request *request; | |
5469 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5470 | struct net_device *dev = info->user_ptr[1]; | |
807f8a8c LC |
5471 | struct nlattr *attr; |
5472 | struct wiphy *wiphy; | |
a1f1c21c | 5473 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5474 | u32 interval; |
807f8a8c LC |
5475 | enum ieee80211_band band; |
5476 | size_t ie_len; | |
a1f1c21c | 5477 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
807f8a8c LC |
5478 | |
5479 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5480 | !rdev->ops->sched_scan_start) | |
5481 | return -EOPNOTSUPP; | |
5482 | ||
5483 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
5484 | return -EINVAL; | |
5485 | ||
bbe6ad6d LC |
5486 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5487 | return -EINVAL; | |
5488 | ||
5489 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
5490 | if (interval == 0) | |
5491 | return -EINVAL; | |
5492 | ||
807f8a8c LC |
5493 | wiphy = &rdev->wiphy; |
5494 | ||
5495 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5496 | n_channels = validate_scan_freqs( | |
5497 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
5498 | if (!n_channels) | |
5499 | return -EINVAL; | |
5500 | } else { | |
5501 | n_channels = 0; | |
5502 | ||
5503 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) | |
5504 | if (wiphy->bands[band]) | |
5505 | n_channels += wiphy->bands[band]->n_channels; | |
5506 | } | |
5507 | ||
5508 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5509 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5510 | tmp) | |
5511 | n_ssids++; | |
5512 | ||
93b6aa69 | 5513 | if (n_ssids > wiphy->max_sched_scan_ssids) |
807f8a8c LC |
5514 | return -EINVAL; |
5515 | ||
a1f1c21c LC |
5516 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) |
5517 | nla_for_each_nested(attr, | |
5518 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5519 | tmp) | |
5520 | n_match_sets++; | |
5521 | ||
5522 | if (n_match_sets > wiphy->max_match_sets) | |
5523 | return -EINVAL; | |
5524 | ||
807f8a8c LC |
5525 | if (info->attrs[NL80211_ATTR_IE]) |
5526 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5527 | else | |
5528 | ie_len = 0; | |
5529 | ||
5a865bad | 5530 | if (ie_len > wiphy->max_sched_scan_ie_len) |
807f8a8c LC |
5531 | return -EINVAL; |
5532 | ||
c10841ca LC |
5533 | if (rdev->sched_scan_req) { |
5534 | err = -EINPROGRESS; | |
5535 | goto out; | |
5536 | } | |
5537 | ||
807f8a8c | 5538 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5539 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5540 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5541 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5542 | + ie_len, GFP_KERNEL); |
c10841ca LC |
5543 | if (!request) { |
5544 | err = -ENOMEM; | |
5545 | goto out; | |
5546 | } | |
807f8a8c LC |
5547 | |
5548 | if (n_ssids) | |
5549 | request->ssids = (void *)&request->channels[n_channels]; | |
5550 | request->n_ssids = n_ssids; | |
5551 | if (ie_len) { | |
5552 | if (request->ssids) | |
5553 | request->ie = (void *)(request->ssids + n_ssids); | |
5554 | else | |
5555 | request->ie = (void *)(request->channels + n_channels); | |
5556 | } | |
5557 | ||
a1f1c21c LC |
5558 | if (n_match_sets) { |
5559 | if (request->ie) | |
5560 | request->match_sets = (void *)(request->ie + ie_len); | |
5561 | else if (request->ssids) | |
5562 | request->match_sets = | |
5563 | (void *)(request->ssids + n_ssids); | |
5564 | else | |
5565 | request->match_sets = | |
5566 | (void *)(request->channels + n_channels); | |
5567 | } | |
5568 | request->n_match_sets = n_match_sets; | |
5569 | ||
807f8a8c LC |
5570 | i = 0; |
5571 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
5572 | /* user specified, bail out if channel not found */ | |
5573 | nla_for_each_nested(attr, | |
5574 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], | |
5575 | tmp) { | |
5576 | struct ieee80211_channel *chan; | |
5577 | ||
5578 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5579 | ||
5580 | if (!chan) { | |
5581 | err = -EINVAL; | |
5582 | goto out_free; | |
5583 | } | |
5584 | ||
5585 | /* ignore disabled channels */ | |
5586 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5587 | continue; | |
5588 | ||
5589 | request->channels[i] = chan; | |
5590 | i++; | |
5591 | } | |
5592 | } else { | |
5593 | /* all channels */ | |
5594 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5595 | int j; | |
5596 | if (!wiphy->bands[band]) | |
5597 | continue; | |
5598 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
5599 | struct ieee80211_channel *chan; | |
5600 | ||
5601 | chan = &wiphy->bands[band]->channels[j]; | |
5602 | ||
5603 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5604 | continue; | |
5605 | ||
5606 | request->channels[i] = chan; | |
5607 | i++; | |
5608 | } | |
5609 | } | |
5610 | } | |
5611 | ||
5612 | if (!i) { | |
5613 | err = -EINVAL; | |
5614 | goto out_free; | |
5615 | } | |
5616 | ||
5617 | request->n_channels = i; | |
5618 | ||
5619 | i = 0; | |
5620 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5621 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], | |
5622 | tmp) { | |
57a27e1d | 5623 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
5624 | err = -EINVAL; |
5625 | goto out_free; | |
5626 | } | |
57a27e1d | 5627 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
5628 | memcpy(request->ssids[i].ssid, nla_data(attr), |
5629 | nla_len(attr)); | |
807f8a8c LC |
5630 | i++; |
5631 | } | |
5632 | } | |
5633 | ||
a1f1c21c LC |
5634 | i = 0; |
5635 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { | |
5636 | nla_for_each_nested(attr, | |
5637 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], | |
5638 | tmp) { | |
88e920b4 | 5639 | struct nlattr *ssid, *rssi; |
a1f1c21c LC |
5640 | |
5641 | nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5642 | nla_data(attr), nla_len(attr), | |
5643 | nl80211_match_policy); | |
4a4ab0d7 | 5644 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c LC |
5645 | if (ssid) { |
5646 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
5647 | err = -EINVAL; | |
5648 | goto out_free; | |
5649 | } | |
5650 | memcpy(request->match_sets[i].ssid.ssid, | |
5651 | nla_data(ssid), nla_len(ssid)); | |
5652 | request->match_sets[i].ssid.ssid_len = | |
5653 | nla_len(ssid); | |
5654 | } | |
88e920b4 TP |
5655 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; |
5656 | if (rssi) | |
5657 | request->rssi_thold = nla_get_u32(rssi); | |
5658 | else | |
5659 | request->rssi_thold = | |
5660 | NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
5661 | i++; |
5662 | } | |
5663 | } | |
5664 | ||
807f8a8c LC |
5665 | if (info->attrs[NL80211_ATTR_IE]) { |
5666 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5667 | memcpy((void *)request->ie, | |
5668 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
5669 | request->ie_len); | |
5670 | } | |
5671 | ||
46856bbf | 5672 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5673 | request->flags = nla_get_u32( |
5674 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5675 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5676 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5677 | err = -EOPNOTSUPP; |
5678 | goto out_free; | |
5679 | } | |
5680 | } | |
ed473771 | 5681 | |
807f8a8c LC |
5682 | request->dev = dev; |
5683 | request->wiphy = &rdev->wiphy; | |
bbe6ad6d | 5684 | request->interval = interval; |
15d6030b | 5685 | request->scan_start = jiffies; |
807f8a8c | 5686 | |
e35e4d28 | 5687 | err = rdev_sched_scan_start(rdev, dev, request); |
807f8a8c LC |
5688 | if (!err) { |
5689 | rdev->sched_scan_req = request; | |
5690 | nl80211_send_sched_scan(rdev, dev, | |
5691 | NL80211_CMD_START_SCHED_SCAN); | |
5692 | goto out; | |
5693 | } | |
5694 | ||
5695 | out_free: | |
5696 | kfree(request); | |
5697 | out: | |
5698 | return err; | |
5699 | } | |
5700 | ||
5701 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
5702 | struct genl_info *info) | |
5703 | { | |
5704 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5705 | ||
5706 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
5707 | !rdev->ops->sched_scan_stop) | |
5708 | return -EOPNOTSUPP; | |
5709 | ||
5fe231e8 | 5710 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
5711 | } |
5712 | ||
04f39047 SW |
5713 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
5714 | struct genl_info *info) | |
5715 | { | |
5716 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5717 | struct net_device *dev = info->user_ptr[1]; | |
5718 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5719 | struct cfg80211_chan_def chandef; | |
55f7435c | 5720 | enum nl80211_dfs_regions dfs_region; |
04f39047 SW |
5721 | int err; |
5722 | ||
55f7435c LR |
5723 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
5724 | if (dfs_region == NL80211_DFS_UNSET) | |
5725 | return -EINVAL; | |
5726 | ||
04f39047 SW |
5727 | err = nl80211_parse_chandef(rdev, info, &chandef); |
5728 | if (err) | |
5729 | return err; | |
5730 | ||
ff311bc1 SW |
5731 | if (netif_carrier_ok(dev)) |
5732 | return -EBUSY; | |
5733 | ||
04f39047 SW |
5734 | if (wdev->cac_started) |
5735 | return -EBUSY; | |
5736 | ||
5737 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef); | |
5738 | if (err < 0) | |
5739 | return err; | |
5740 | ||
5741 | if (err == 0) | |
5742 | return -EINVAL; | |
5743 | ||
fe7c3a1f | 5744 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
5745 | return -EINVAL; |
5746 | ||
5747 | if (!rdev->ops->start_radar_detection) | |
5748 | return -EOPNOTSUPP; | |
5749 | ||
04f39047 SW |
5750 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
5751 | chandef.chan, CHAN_MODE_SHARED, | |
5752 | BIT(chandef.width)); | |
5753 | if (err) | |
5fe231e8 | 5754 | return err; |
04f39047 SW |
5755 | |
5756 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef); | |
5757 | if (!err) { | |
5758 | wdev->channel = chandef.chan; | |
5759 | wdev->cac_started = true; | |
5760 | wdev->cac_start_time = jiffies; | |
5761 | } | |
04f39047 SW |
5762 | return err; |
5763 | } | |
5764 | ||
16ef1fe2 SW |
5765 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
5766 | { | |
5767 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5768 | struct net_device *dev = info->user_ptr[1]; | |
5769 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5770 | struct cfg80211_csa_settings params; | |
5771 | /* csa_attrs is defined static to avoid waste of stack size - this | |
5772 | * function is called under RTNL lock, so this should not be a problem. | |
5773 | */ | |
5774 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
5775 | u8 radar_detect_width = 0; | |
5776 | int err; | |
ee4bc9e7 | 5777 | bool need_new_beacon = false; |
16ef1fe2 SW |
5778 | |
5779 | if (!rdev->ops->channel_switch || | |
5780 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
5781 | return -EOPNOTSUPP; | |
5782 | ||
ee4bc9e7 SW |
5783 | switch (dev->ieee80211_ptr->iftype) { |
5784 | case NL80211_IFTYPE_AP: | |
5785 | case NL80211_IFTYPE_P2P_GO: | |
5786 | need_new_beacon = true; | |
5787 | ||
5788 | /* useless if AP is not running */ | |
5789 | if (!wdev->beacon_interval) | |
5790 | return -EINVAL; | |
5791 | break; | |
5792 | case NL80211_IFTYPE_ADHOC: | |
c6da674a | 5793 | case NL80211_IFTYPE_MESH_POINT: |
ee4bc9e7 SW |
5794 | break; |
5795 | default: | |
16ef1fe2 | 5796 | return -EOPNOTSUPP; |
ee4bc9e7 | 5797 | } |
16ef1fe2 SW |
5798 | |
5799 | memset(¶ms, 0, sizeof(params)); | |
5800 | ||
5801 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
5802 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
5803 | return -EINVAL; | |
5804 | ||
5805 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 5806 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
5807 | return -EINVAL; |
5808 | ||
5809 | params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
5810 | ||
ee4bc9e7 SW |
5811 | if (!need_new_beacon) |
5812 | goto skip_beacons; | |
5813 | ||
16ef1fe2 SW |
5814 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
5815 | if (err) | |
5816 | return err; | |
5817 | ||
5818 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
5819 | info->attrs[NL80211_ATTR_CSA_IES], | |
5820 | nl80211_policy); | |
5821 | if (err) | |
5822 | return err; | |
5823 | ||
5824 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
5825 | if (err) | |
5826 | return err; | |
5827 | ||
5828 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
5829 | return -EINVAL; | |
5830 | ||
5831 | params.counter_offset_beacon = | |
5832 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
5833 | if (params.counter_offset_beacon >= params.beacon_csa.tail_len) | |
5834 | return -EINVAL; | |
5835 | ||
5836 | /* sanity check - counters should be the same */ | |
5837 | if (params.beacon_csa.tail[params.counter_offset_beacon] != | |
5838 | params.count) | |
5839 | return -EINVAL; | |
5840 | ||
5841 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { | |
5842 | params.counter_offset_presp = | |
5843 | nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
5844 | if (params.counter_offset_presp >= | |
5845 | params.beacon_csa.probe_resp_len) | |
5846 | return -EINVAL; | |
5847 | ||
5848 | if (params.beacon_csa.probe_resp[params.counter_offset_presp] != | |
5849 | params.count) | |
5850 | return -EINVAL; | |
5851 | } | |
5852 | ||
ee4bc9e7 | 5853 | skip_beacons: |
16ef1fe2 SW |
5854 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
5855 | if (err) | |
5856 | return err; | |
5857 | ||
5858 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) | |
5859 | return -EINVAL; | |
5860 | ||
ee4bc9e7 | 5861 | if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP || |
5336fa88 SW |
5862 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO || |
5863 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_ADHOC) { | |
ee4bc9e7 SW |
5864 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
5865 | ¶ms.chandef); | |
5866 | if (err < 0) { | |
5867 | return err; | |
5868 | } else if (err) { | |
5869 | radar_detect_width = BIT(params.chandef.width); | |
5870 | params.radar_required = true; | |
5871 | } | |
16ef1fe2 SW |
5872 | } |
5873 | ||
5874 | err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, | |
5875 | params.chandef.chan, | |
5876 | CHAN_MODE_SHARED, | |
5877 | radar_detect_width); | |
5878 | if (err) | |
5879 | return err; | |
5880 | ||
5881 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) | |
5882 | params.block_tx = true; | |
5883 | ||
c56589ed SW |
5884 | wdev_lock(wdev); |
5885 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
5886 | wdev_unlock(wdev); | |
5887 | ||
5888 | return err; | |
16ef1fe2 SW |
5889 | } |
5890 | ||
9720bb3a JB |
5891 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
5892 | u32 seq, int flags, | |
2a519311 | 5893 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
5894 | struct wireless_dev *wdev, |
5895 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 5896 | { |
48ab905d | 5897 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 5898 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
5899 | void *hdr; |
5900 | struct nlattr *bss; | |
8cef2c9d | 5901 | bool tsf = false; |
48ab905d JB |
5902 | |
5903 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 5904 | |
15e47304 | 5905 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
5906 | NL80211_CMD_NEW_SCAN_RESULTS); |
5907 | if (!hdr) | |
5908 | return -1; | |
5909 | ||
9720bb3a JB |
5910 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
5911 | ||
97990a06 JB |
5912 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
5913 | goto nla_put_failure; | |
5914 | if (wdev->netdev && | |
9360ffd1 DM |
5915 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
5916 | goto nla_put_failure; | |
97990a06 JB |
5917 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
5918 | goto nla_put_failure; | |
2a519311 JB |
5919 | |
5920 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
5921 | if (!bss) | |
5922 | goto nla_put_failure; | |
9360ffd1 | 5923 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 5924 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 5925 | goto nla_put_failure; |
9caf0364 JB |
5926 | |
5927 | rcu_read_lock(); | |
5928 | ies = rcu_dereference(res->ies); | |
8cef2c9d JB |
5929 | if (ies) { |
5930 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5931 | goto fail_unlock_rcu; | |
5932 | tsf = true; | |
5933 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, | |
5934 | ies->len, ies->data)) | |
5935 | goto fail_unlock_rcu; | |
9caf0364 JB |
5936 | } |
5937 | ies = rcu_dereference(res->beacon_ies); | |
8cef2c9d JB |
5938 | if (ies) { |
5939 | if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
5940 | goto fail_unlock_rcu; | |
5941 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
5942 | ies->len, ies->data)) | |
5943 | goto fail_unlock_rcu; | |
9caf0364 JB |
5944 | } |
5945 | rcu_read_unlock(); | |
5946 | ||
9360ffd1 DM |
5947 | if (res->beacon_interval && |
5948 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
5949 | goto nla_put_failure; | |
5950 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
5951 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 5952 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
5953 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
5954 | jiffies_to_msecs(jiffies - intbss->ts))) | |
5955 | goto nla_put_failure; | |
2a519311 | 5956 | |
77965c97 | 5957 | switch (rdev->wiphy.signal_type) { |
2a519311 | 5958 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
5959 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
5960 | goto nla_put_failure; | |
2a519311 JB |
5961 | break; |
5962 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
5963 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
5964 | goto nla_put_failure; | |
2a519311 JB |
5965 | break; |
5966 | default: | |
5967 | break; | |
5968 | } | |
5969 | ||
48ab905d | 5970 | switch (wdev->iftype) { |
074ac8df | 5971 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 5972 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
5973 | if (intbss == wdev->current_bss && |
5974 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5975 | NL80211_BSS_STATUS_ASSOCIATED)) | |
5976 | goto nla_put_failure; | |
48ab905d JB |
5977 | break; |
5978 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
5979 | if (intbss == wdev->current_bss && |
5980 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
5981 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
5982 | goto nla_put_failure; | |
48ab905d JB |
5983 | break; |
5984 | default: | |
5985 | break; | |
5986 | } | |
5987 | ||
2a519311 JB |
5988 | nla_nest_end(msg, bss); |
5989 | ||
5990 | return genlmsg_end(msg, hdr); | |
5991 | ||
8cef2c9d JB |
5992 | fail_unlock_rcu: |
5993 | rcu_read_unlock(); | |
2a519311 JB |
5994 | nla_put_failure: |
5995 | genlmsg_cancel(msg, hdr); | |
5996 | return -EMSGSIZE; | |
5997 | } | |
5998 | ||
97990a06 | 5999 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 6000 | { |
48ab905d | 6001 | struct cfg80211_registered_device *rdev; |
2a519311 | 6002 | struct cfg80211_internal_bss *scan; |
48ab905d | 6003 | struct wireless_dev *wdev; |
97990a06 | 6004 | int start = cb->args[2], idx = 0; |
2a519311 JB |
6005 | int err; |
6006 | ||
97990a06 | 6007 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6008 | if (err) |
6009 | return err; | |
2a519311 | 6010 | |
48ab905d JB |
6011 | wdev_lock(wdev); |
6012 | spin_lock_bh(&rdev->bss_lock); | |
6013 | cfg80211_bss_expire(rdev); | |
6014 | ||
9720bb3a JB |
6015 | cb->seq = rdev->bss_generation; |
6016 | ||
48ab905d | 6017 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
6018 | if (++idx <= start) |
6019 | continue; | |
9720bb3a | 6020 | if (nl80211_send_bss(skb, cb, |
2a519311 | 6021 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 6022 | rdev, wdev, scan) < 0) { |
2a519311 | 6023 | idx--; |
67748893 | 6024 | break; |
2a519311 JB |
6025 | } |
6026 | } | |
6027 | ||
48ab905d JB |
6028 | spin_unlock_bh(&rdev->bss_lock); |
6029 | wdev_unlock(wdev); | |
2a519311 | 6030 | |
97990a06 JB |
6031 | cb->args[2] = idx; |
6032 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 6033 | |
67748893 | 6034 | return skb->len; |
2a519311 JB |
6035 | } |
6036 | ||
15e47304 | 6037 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
6038 | int flags, struct net_device *dev, |
6039 | struct survey_info *survey) | |
6040 | { | |
6041 | void *hdr; | |
6042 | struct nlattr *infoattr; | |
6043 | ||
15e47304 | 6044 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
6045 | NL80211_CMD_NEW_SURVEY_RESULTS); |
6046 | if (!hdr) | |
6047 | return -ENOMEM; | |
6048 | ||
9360ffd1 DM |
6049 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
6050 | goto nla_put_failure; | |
61fa713c HS |
6051 | |
6052 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
6053 | if (!infoattr) | |
6054 | goto nla_put_failure; | |
6055 | ||
9360ffd1 DM |
6056 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
6057 | survey->channel->center_freq)) | |
6058 | goto nla_put_failure; | |
6059 | ||
6060 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
6061 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
6062 | goto nla_put_failure; | |
6063 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
6064 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
6065 | goto nla_put_failure; | |
6066 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
6067 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
6068 | survey->channel_time)) | |
6069 | goto nla_put_failure; | |
6070 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
6071 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
6072 | survey->channel_time_busy)) | |
6073 | goto nla_put_failure; | |
6074 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
6075 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
6076 | survey->channel_time_ext_busy)) | |
6077 | goto nla_put_failure; | |
6078 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
6079 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
6080 | survey->channel_time_rx)) | |
6081 | goto nla_put_failure; | |
6082 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
6083 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
6084 | survey->channel_time_tx)) | |
6085 | goto nla_put_failure; | |
61fa713c HS |
6086 | |
6087 | nla_nest_end(msg, infoattr); | |
6088 | ||
6089 | return genlmsg_end(msg, hdr); | |
6090 | ||
6091 | nla_put_failure: | |
6092 | genlmsg_cancel(msg, hdr); | |
6093 | return -EMSGSIZE; | |
6094 | } | |
6095 | ||
6096 | static int nl80211_dump_survey(struct sk_buff *skb, | |
6097 | struct netlink_callback *cb) | |
6098 | { | |
6099 | struct survey_info survey; | |
6100 | struct cfg80211_registered_device *dev; | |
97990a06 JB |
6101 | struct wireless_dev *wdev; |
6102 | int survey_idx = cb->args[2]; | |
61fa713c HS |
6103 | int res; |
6104 | ||
97990a06 | 6105 | res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); |
67748893 JB |
6106 | if (res) |
6107 | return res; | |
61fa713c | 6108 | |
97990a06 JB |
6109 | if (!wdev->netdev) { |
6110 | res = -EINVAL; | |
6111 | goto out_err; | |
6112 | } | |
6113 | ||
61fa713c HS |
6114 | if (!dev->ops->dump_survey) { |
6115 | res = -EOPNOTSUPP; | |
6116 | goto out_err; | |
6117 | } | |
6118 | ||
6119 | while (1) { | |
180cdc79 LR |
6120 | struct ieee80211_channel *chan; |
6121 | ||
97990a06 | 6122 | res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
6123 | if (res == -ENOENT) |
6124 | break; | |
6125 | if (res) | |
6126 | goto out_err; | |
6127 | ||
180cdc79 LR |
6128 | /* Survey without a channel doesn't make sense */ |
6129 | if (!survey.channel) { | |
6130 | res = -EINVAL; | |
6131 | goto out; | |
6132 | } | |
6133 | ||
6134 | chan = ieee80211_get_channel(&dev->wiphy, | |
6135 | survey.channel->center_freq); | |
6136 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { | |
6137 | survey_idx++; | |
6138 | continue; | |
6139 | } | |
6140 | ||
61fa713c | 6141 | if (nl80211_send_survey(skb, |
15e47304 | 6142 | NETLINK_CB(cb->skb).portid, |
61fa713c | 6143 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 6144 | wdev->netdev, &survey) < 0) |
61fa713c HS |
6145 | goto out; |
6146 | survey_idx++; | |
6147 | } | |
6148 | ||
6149 | out: | |
97990a06 | 6150 | cb->args[2] = survey_idx; |
61fa713c HS |
6151 | res = skb->len; |
6152 | out_err: | |
97990a06 | 6153 | nl80211_finish_wdev_dump(dev); |
61fa713c HS |
6154 | return res; |
6155 | } | |
6156 | ||
b23aa676 SO |
6157 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
6158 | { | |
6159 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
6160 | NL80211_WPA_VERSION_2)); | |
6161 | } | |
6162 | ||
636a5d36 JM |
6163 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6164 | { | |
4c476991 JB |
6165 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6166 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6167 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6168 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6169 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6170 | enum nl80211_auth_type auth_type; |
fffd0934 | 6171 | struct key_parse key; |
d5cdfacb | 6172 | bool local_state_change; |
636a5d36 | 6173 | |
f4a11bb0 JB |
6174 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6175 | return -EINVAL; | |
6176 | ||
6177 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6178 | return -EINVAL; | |
6179 | ||
1778092e JM |
6180 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6181 | return -EINVAL; | |
6182 | ||
19957bb3 JB |
6183 | if (!info->attrs[NL80211_ATTR_SSID]) |
6184 | return -EINVAL; | |
6185 | ||
6186 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6187 | return -EINVAL; | |
6188 | ||
fffd0934 JB |
6189 | err = nl80211_parse_key(info, &key); |
6190 | if (err) | |
6191 | return err; | |
6192 | ||
6193 | if (key.idx >= 0) { | |
e31b8213 JB |
6194 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6195 | return -EINVAL; | |
fffd0934 JB |
6196 | if (!key.p.key || !key.p.key_len) |
6197 | return -EINVAL; | |
6198 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6199 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6200 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6201 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6202 | return -EINVAL; | |
6203 | if (key.idx > 4) | |
6204 | return -EINVAL; | |
6205 | } else { | |
6206 | key.p.key_len = 0; | |
6207 | key.p.key = NULL; | |
6208 | } | |
6209 | ||
afea0b7a JB |
6210 | if (key.idx >= 0) { |
6211 | int i; | |
6212 | bool ok = false; | |
6213 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6214 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6215 | ok = true; | |
6216 | break; | |
6217 | } | |
6218 | } | |
4c476991 JB |
6219 | if (!ok) |
6220 | return -EINVAL; | |
afea0b7a JB |
6221 | } |
6222 | ||
4c476991 JB |
6223 | if (!rdev->ops->auth) |
6224 | return -EOPNOTSUPP; | |
636a5d36 | 6225 | |
074ac8df | 6226 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6227 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6228 | return -EOPNOTSUPP; | |
eec60b03 | 6229 | |
19957bb3 | 6230 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
79c97e97 | 6231 | chan = ieee80211_get_channel(&rdev->wiphy, |
19957bb3 | 6232 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
4c476991 JB |
6233 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6234 | return -EINVAL; | |
636a5d36 | 6235 | |
19957bb3 JB |
6236 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6237 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6238 | |
6239 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6240 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6241 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6242 | } |
6243 | ||
19957bb3 | 6244 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6245 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6246 | return -EINVAL; |
636a5d36 | 6247 | |
e39e5b5e JM |
6248 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6249 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6250 | return -EINVAL; | |
6251 | ||
6252 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6253 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6254 | return -EINVAL; | |
6255 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6256 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6257 | /* need to include at least Auth Transaction and Status Code */ | |
6258 | if (sae_data_len < 4) | |
6259 | return -EINVAL; | |
6260 | } | |
6261 | ||
d5cdfacb JM |
6262 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6263 | ||
95de817b JB |
6264 | /* |
6265 | * Since we no longer track auth state, ignore | |
6266 | * requests to only change local state. | |
6267 | */ | |
6268 | if (local_state_change) | |
6269 | return 0; | |
6270 | ||
91bf9b26 JB |
6271 | wdev_lock(dev->ieee80211_ptr); |
6272 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6273 | ssid, ssid_len, ie, ie_len, | |
6274 | key.p.key, key.p.key_len, key.idx, | |
6275 | sae_data, sae_data_len); | |
6276 | wdev_unlock(dev->ieee80211_ptr); | |
6277 | return err; | |
636a5d36 JM |
6278 | } |
6279 | ||
c0692b8f JB |
6280 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6281 | struct genl_info *info, | |
3dc27d25 JB |
6282 | struct cfg80211_crypto_settings *settings, |
6283 | int cipher_limit) | |
b23aa676 | 6284 | { |
c0b2bbd8 JB |
6285 | memset(settings, 0, sizeof(*settings)); |
6286 | ||
b23aa676 SO |
6287 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6288 | ||
c0692b8f JB |
6289 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6290 | u16 proto; | |
6291 | proto = nla_get_u16( | |
6292 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6293 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6294 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6295 | proto != ETH_P_PAE) | |
6296 | return -EINVAL; | |
6297 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6298 | settings->control_port_no_encrypt = true; | |
6299 | } else | |
6300 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6301 | ||
b23aa676 SO |
6302 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6303 | void *data; | |
6304 | int len, i; | |
6305 | ||
6306 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6307 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6308 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6309 | ||
6310 | if (len % sizeof(u32)) | |
6311 | return -EINVAL; | |
6312 | ||
3dc27d25 | 6313 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6314 | return -EINVAL; |
6315 | ||
6316 | memcpy(settings->ciphers_pairwise, data, len); | |
6317 | ||
6318 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6319 | if (!cfg80211_supported_cipher_suite( |
6320 | &rdev->wiphy, | |
b23aa676 SO |
6321 | settings->ciphers_pairwise[i])) |
6322 | return -EINVAL; | |
6323 | } | |
6324 | ||
6325 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6326 | settings->cipher_group = | |
6327 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6328 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6329 | settings->cipher_group)) | |
b23aa676 SO |
6330 | return -EINVAL; |
6331 | } | |
6332 | ||
6333 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6334 | settings->wpa_versions = | |
6335 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6336 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6337 | return -EINVAL; | |
6338 | } | |
6339 | ||
6340 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6341 | void *data; | |
6d30240e | 6342 | int len; |
b23aa676 SO |
6343 | |
6344 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6345 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6346 | settings->n_akm_suites = len / sizeof(u32); | |
6347 | ||
6348 | if (len % sizeof(u32)) | |
6349 | return -EINVAL; | |
6350 | ||
1b9ca027 JM |
6351 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6352 | return -EINVAL; | |
6353 | ||
b23aa676 | 6354 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6355 | } |
6356 | ||
6357 | return 0; | |
6358 | } | |
6359 | ||
636a5d36 JM |
6360 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6361 | { | |
4c476991 JB |
6362 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6363 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6364 | struct ieee80211_channel *chan; |
f62fab73 JB |
6365 | struct cfg80211_assoc_request req = {}; |
6366 | const u8 *bssid, *ssid; | |
6367 | int err, ssid_len = 0; | |
636a5d36 | 6368 | |
f4a11bb0 JB |
6369 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6370 | return -EINVAL; | |
6371 | ||
6372 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6373 | !info->attrs[NL80211_ATTR_SSID] || |
6374 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6375 | return -EINVAL; |
6376 | ||
4c476991 JB |
6377 | if (!rdev->ops->assoc) |
6378 | return -EOPNOTSUPP; | |
636a5d36 | 6379 | |
074ac8df | 6380 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6381 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6382 | return -EOPNOTSUPP; | |
eec60b03 | 6383 | |
19957bb3 | 6384 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6385 | |
19957bb3 JB |
6386 | chan = ieee80211_get_channel(&rdev->wiphy, |
6387 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
4c476991 JB |
6388 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
6389 | return -EINVAL; | |
636a5d36 | 6390 | |
19957bb3 JB |
6391 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6392 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6393 | |
6394 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6395 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6396 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6397 | } |
6398 | ||
dc6382ce | 6399 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6400 | enum nl80211_mfp mfp = |
dc6382ce | 6401 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6402 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6403 | req.use_mfp = true; |
4c476991 JB |
6404 | else if (mfp != NL80211_MFP_NO) |
6405 | return -EINVAL; | |
dc6382ce JM |
6406 | } |
6407 | ||
3e5d7649 | 6408 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6409 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6410 | |
7e7c8926 | 6411 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6412 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6413 | |
6414 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6415 | memcpy(&req.ht_capa_mask, |
6416 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6417 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6418 | |
6419 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6420 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6421 | return -EINVAL; |
f62fab73 JB |
6422 | memcpy(&req.ht_capa, |
6423 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6424 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6425 | } |
6426 | ||
ee2aca34 | 6427 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6428 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6429 | |
6430 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6431 | memcpy(&req.vht_capa_mask, |
6432 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6433 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6434 | |
6435 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6436 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6437 | return -EINVAL; |
f62fab73 JB |
6438 | memcpy(&req.vht_capa, |
6439 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6440 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6441 | } |
6442 | ||
f62fab73 | 6443 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
6444 | if (!err) { |
6445 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
6446 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6447 | ssid, ssid_len, &req); | |
91bf9b26 JB |
6448 | wdev_unlock(dev->ieee80211_ptr); |
6449 | } | |
636a5d36 | 6450 | |
636a5d36 JM |
6451 | return err; |
6452 | } | |
6453 | ||
6454 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
6455 | { | |
4c476991 JB |
6456 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6457 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6458 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6459 | int ie_len = 0, err; |
19957bb3 | 6460 | u16 reason_code; |
d5cdfacb | 6461 | bool local_state_change; |
636a5d36 | 6462 | |
f4a11bb0 JB |
6463 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6464 | return -EINVAL; | |
6465 | ||
6466 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6467 | return -EINVAL; | |
6468 | ||
6469 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6470 | return -EINVAL; | |
6471 | ||
4c476991 JB |
6472 | if (!rdev->ops->deauth) |
6473 | return -EOPNOTSUPP; | |
636a5d36 | 6474 | |
074ac8df | 6475 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6476 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6477 | return -EOPNOTSUPP; | |
eec60b03 | 6478 | |
19957bb3 | 6479 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6480 | |
19957bb3 JB |
6481 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6482 | if (reason_code == 0) { | |
f4a11bb0 | 6483 | /* Reason Code 0 is reserved */ |
4c476991 | 6484 | return -EINVAL; |
255e737e | 6485 | } |
636a5d36 JM |
6486 | |
6487 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6488 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6489 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6490 | } |
6491 | ||
d5cdfacb JM |
6492 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6493 | ||
91bf9b26 JB |
6494 | wdev_lock(dev->ieee80211_ptr); |
6495 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
6496 | local_state_change); | |
6497 | wdev_unlock(dev->ieee80211_ptr); | |
6498 | return err; | |
636a5d36 JM |
6499 | } |
6500 | ||
6501 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
6502 | { | |
4c476991 JB |
6503 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6504 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6505 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6506 | int ie_len = 0, err; |
19957bb3 | 6507 | u16 reason_code; |
d5cdfacb | 6508 | bool local_state_change; |
636a5d36 | 6509 | |
f4a11bb0 JB |
6510 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6511 | return -EINVAL; | |
6512 | ||
6513 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6514 | return -EINVAL; | |
6515 | ||
6516 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6517 | return -EINVAL; | |
6518 | ||
4c476991 JB |
6519 | if (!rdev->ops->disassoc) |
6520 | return -EOPNOTSUPP; | |
636a5d36 | 6521 | |
074ac8df | 6522 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6523 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6524 | return -EOPNOTSUPP; | |
eec60b03 | 6525 | |
19957bb3 | 6526 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6527 | |
19957bb3 JB |
6528 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6529 | if (reason_code == 0) { | |
f4a11bb0 | 6530 | /* Reason Code 0 is reserved */ |
4c476991 | 6531 | return -EINVAL; |
255e737e | 6532 | } |
636a5d36 JM |
6533 | |
6534 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6535 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6536 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6537 | } |
6538 | ||
d5cdfacb JM |
6539 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6540 | ||
91bf9b26 JB |
6541 | wdev_lock(dev->ieee80211_ptr); |
6542 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
6543 | local_state_change); | |
6544 | wdev_unlock(dev->ieee80211_ptr); | |
6545 | return err; | |
636a5d36 JM |
6546 | } |
6547 | ||
dd5b4cc7 FF |
6548 | static bool |
6549 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
6550 | int mcast_rate[IEEE80211_NUM_BANDS], | |
6551 | int rateval) | |
6552 | { | |
6553 | struct wiphy *wiphy = &rdev->wiphy; | |
6554 | bool found = false; | |
6555 | int band, i; | |
6556 | ||
6557 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6558 | struct ieee80211_supported_band *sband; | |
6559 | ||
6560 | sband = wiphy->bands[band]; | |
6561 | if (!sband) | |
6562 | continue; | |
6563 | ||
6564 | for (i = 0; i < sband->n_bitrates; i++) { | |
6565 | if (sband->bitrates[i].bitrate == rateval) { | |
6566 | mcast_rate[band] = i + 1; | |
6567 | found = true; | |
6568 | break; | |
6569 | } | |
6570 | } | |
6571 | } | |
6572 | ||
6573 | return found; | |
6574 | } | |
6575 | ||
04a773ad JB |
6576 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
6577 | { | |
4c476991 JB |
6578 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6579 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
6580 | struct cfg80211_ibss_params ibss; |
6581 | struct wiphy *wiphy; | |
fffd0934 | 6582 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
6583 | int err; |
6584 | ||
8e30bc55 JB |
6585 | memset(&ibss, 0, sizeof(ibss)); |
6586 | ||
04a773ad JB |
6587 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6588 | return -EINVAL; | |
6589 | ||
683b6d3b | 6590 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
6591 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
6592 | return -EINVAL; | |
6593 | ||
8e30bc55 JB |
6594 | ibss.beacon_interval = 100; |
6595 | ||
6596 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
6597 | ibss.beacon_interval = | |
6598 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
6599 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
6600 | return -EINVAL; | |
6601 | } | |
6602 | ||
4c476991 JB |
6603 | if (!rdev->ops->join_ibss) |
6604 | return -EOPNOTSUPP; | |
04a773ad | 6605 | |
4c476991 JB |
6606 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6607 | return -EOPNOTSUPP; | |
04a773ad | 6608 | |
79c97e97 | 6609 | wiphy = &rdev->wiphy; |
04a773ad | 6610 | |
39193498 | 6611 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 6612 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
6613 | |
6614 | if (!is_valid_ether_addr(ibss.bssid)) | |
6615 | return -EINVAL; | |
6616 | } | |
04a773ad JB |
6617 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6618 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
6619 | ||
6620 | if (info->attrs[NL80211_ATTR_IE]) { | |
6621 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
6622 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6623 | } | |
6624 | ||
683b6d3b JB |
6625 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
6626 | if (err) | |
6627 | return err; | |
04a773ad | 6628 | |
683b6d3b | 6629 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef)) |
54858ee5 AS |
6630 | return -EINVAL; |
6631 | ||
2f301ab2 | 6632 | switch (ibss.chandef.width) { |
bf372645 SW |
6633 | case NL80211_CHAN_WIDTH_5: |
6634 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
6635 | case NL80211_CHAN_WIDTH_20_NOHT: |
6636 | break; | |
6637 | case NL80211_CHAN_WIDTH_20: | |
6638 | case NL80211_CHAN_WIDTH_40: | |
6639 | if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) | |
6640 | break; | |
6641 | default: | |
c04d6150 | 6642 | return -EINVAL; |
2f301ab2 | 6643 | } |
db9c64cf | 6644 | |
04a773ad | 6645 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
6646 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
6647 | ||
fbd2c8dc TP |
6648 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
6649 | u8 *rates = | |
6650 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6651 | int n_rates = | |
6652 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
6653 | struct ieee80211_supported_band *sband = | |
683b6d3b | 6654 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 6655 | |
34850ab2 JB |
6656 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
6657 | &ibss.basic_rates); | |
6658 | if (err) | |
6659 | return err; | |
fbd2c8dc | 6660 | } |
dd5b4cc7 | 6661 | |
803768f5 SW |
6662 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
6663 | memcpy(&ibss.ht_capa_mask, | |
6664 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6665 | sizeof(ibss.ht_capa_mask)); | |
6666 | ||
6667 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
6668 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
6669 | return -EINVAL; | |
6670 | memcpy(&ibss.ht_capa, | |
6671 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6672 | sizeof(ibss.ht_capa)); | |
6673 | } | |
6674 | ||
dd5b4cc7 FF |
6675 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
6676 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
6677 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
6678 | return -EINVAL; | |
fbd2c8dc | 6679 | |
4c476991 | 6680 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
6681 | bool no_ht = false; |
6682 | ||
4c476991 | 6683 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
6684 | info->attrs[NL80211_ATTR_KEYS], |
6685 | &no_ht); | |
4c476991 JB |
6686 | if (IS_ERR(connkeys)) |
6687 | return PTR_ERR(connkeys); | |
de7044ee | 6688 | |
3d9d1d66 JB |
6689 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
6690 | no_ht) { | |
de7044ee SM |
6691 | kfree(connkeys); |
6692 | return -EINVAL; | |
6693 | } | |
4c476991 | 6694 | } |
04a773ad | 6695 | |
267335d6 AQ |
6696 | ibss.control_port = |
6697 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
6698 | ||
5336fa88 SW |
6699 | ibss.userspace_handles_dfs = |
6700 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
6701 | ||
4c476991 | 6702 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 JB |
6703 | if (err) |
6704 | kfree(connkeys); | |
04a773ad JB |
6705 | return err; |
6706 | } | |
6707 | ||
6708 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
6709 | { | |
4c476991 JB |
6710 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6711 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 6712 | |
4c476991 JB |
6713 | if (!rdev->ops->leave_ibss) |
6714 | return -EOPNOTSUPP; | |
04a773ad | 6715 | |
4c476991 JB |
6716 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
6717 | return -EOPNOTSUPP; | |
04a773ad | 6718 | |
4c476991 | 6719 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
6720 | } |
6721 | ||
f4e583c8 AQ |
6722 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
6723 | { | |
6724 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6725 | struct net_device *dev = info->user_ptr[1]; | |
6726 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
6727 | u32 nla_rate; | |
6728 | int err; | |
6729 | ||
6730 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
6731 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
6732 | return -EOPNOTSUPP; | |
6733 | ||
6734 | if (!rdev->ops->set_mcast_rate) | |
6735 | return -EOPNOTSUPP; | |
6736 | ||
6737 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
6738 | ||
6739 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
6740 | return -EINVAL; | |
6741 | ||
6742 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
6743 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
6744 | return -EINVAL; | |
6745 | ||
6746 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
6747 | ||
6748 | return err; | |
6749 | } | |
6750 | ||
ad7e718c JB |
6751 | static struct sk_buff * |
6752 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6753 | int approxlen, u32 portid, u32 seq, | |
6754 | enum nl80211_commands cmd, | |
567ffc35 JB |
6755 | enum nl80211_attrs attr, |
6756 | const struct nl80211_vendor_cmd_info *info, | |
6757 | gfp_t gfp) | |
ad7e718c JB |
6758 | { |
6759 | struct sk_buff *skb; | |
6760 | void *hdr; | |
6761 | struct nlattr *data; | |
6762 | ||
6763 | skb = nlmsg_new(approxlen + 100, gfp); | |
6764 | if (!skb) | |
6765 | return NULL; | |
6766 | ||
6767 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
6768 | if (!hdr) { | |
6769 | kfree_skb(skb); | |
6770 | return NULL; | |
6771 | } | |
6772 | ||
6773 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
6774 | goto nla_put_failure; | |
567ffc35 JB |
6775 | |
6776 | if (info) { | |
6777 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
6778 | info->vendor_id)) | |
6779 | goto nla_put_failure; | |
6780 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
6781 | info->subcmd)) | |
6782 | goto nla_put_failure; | |
6783 | } | |
6784 | ||
ad7e718c JB |
6785 | data = nla_nest_start(skb, attr); |
6786 | ||
6787 | ((void **)skb->cb)[0] = rdev; | |
6788 | ((void **)skb->cb)[1] = hdr; | |
6789 | ((void **)skb->cb)[2] = data; | |
6790 | ||
6791 | return skb; | |
6792 | ||
6793 | nla_put_failure: | |
6794 | kfree_skb(skb); | |
6795 | return NULL; | |
6796 | } | |
f4e583c8 | 6797 | |
aff89a9b | 6798 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
6799 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
6800 | { | |
4c476991 | 6801 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
6802 | struct wireless_dev *wdev = |
6803 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
6804 | int err; |
6805 | ||
fc73f11f DS |
6806 | if (!rdev->ops->testmode_cmd) |
6807 | return -EOPNOTSUPP; | |
6808 | ||
6809 | if (IS_ERR(wdev)) { | |
6810 | err = PTR_ERR(wdev); | |
6811 | if (err != -EINVAL) | |
6812 | return err; | |
6813 | wdev = NULL; | |
6814 | } else if (wdev->wiphy != &rdev->wiphy) { | |
6815 | return -EINVAL; | |
6816 | } | |
6817 | ||
aff89a9b JB |
6818 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
6819 | return -EINVAL; | |
6820 | ||
ad7e718c | 6821 | rdev->cur_cmd_info = info; |
fc73f11f | 6822 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
6823 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
6824 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 6825 | rdev->cur_cmd_info = NULL; |
aff89a9b | 6826 | |
aff89a9b JB |
6827 | return err; |
6828 | } | |
6829 | ||
71063f0e WYG |
6830 | static int nl80211_testmode_dump(struct sk_buff *skb, |
6831 | struct netlink_callback *cb) | |
6832 | { | |
00918d33 | 6833 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
6834 | int err; |
6835 | long phy_idx; | |
6836 | void *data = NULL; | |
6837 | int data_len = 0; | |
6838 | ||
5fe231e8 JB |
6839 | rtnl_lock(); |
6840 | ||
71063f0e WYG |
6841 | if (cb->args[0]) { |
6842 | /* | |
6843 | * 0 is a valid index, but not valid for args[0], | |
6844 | * so we need to offset by 1. | |
6845 | */ | |
6846 | phy_idx = cb->args[0] - 1; | |
6847 | } else { | |
6848 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
6849 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
6850 | nl80211_policy); | |
6851 | if (err) | |
5fe231e8 | 6852 | goto out_err; |
00918d33 | 6853 | |
2bd7e35d JB |
6854 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
6855 | nl80211_fam.attrbuf); | |
6856 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
6857 | err = PTR_ERR(rdev); |
6858 | goto out_err; | |
00918d33 | 6859 | } |
2bd7e35d JB |
6860 | phy_idx = rdev->wiphy_idx; |
6861 | rdev = NULL; | |
2bd7e35d | 6862 | |
71063f0e WYG |
6863 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
6864 | cb->args[1] = | |
6865 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
6866 | } | |
6867 | ||
6868 | if (cb->args[1]) { | |
6869 | data = nla_data((void *)cb->args[1]); | |
6870 | data_len = nla_len((void *)cb->args[1]); | |
6871 | } | |
6872 | ||
00918d33 JB |
6873 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
6874 | if (!rdev) { | |
5fe231e8 JB |
6875 | err = -ENOENT; |
6876 | goto out_err; | |
71063f0e | 6877 | } |
71063f0e | 6878 | |
00918d33 | 6879 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
6880 | err = -EOPNOTSUPP; |
6881 | goto out_err; | |
6882 | } | |
6883 | ||
6884 | while (1) { | |
15e47304 | 6885 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
6886 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
6887 | NL80211_CMD_TESTMODE); | |
6888 | struct nlattr *tmdata; | |
6889 | ||
cb35fba3 DC |
6890 | if (!hdr) |
6891 | break; | |
6892 | ||
9360ffd1 | 6893 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
6894 | genlmsg_cancel(skb, hdr); |
6895 | break; | |
6896 | } | |
6897 | ||
6898 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
6899 | if (!tmdata) { | |
6900 | genlmsg_cancel(skb, hdr); | |
6901 | break; | |
6902 | } | |
e35e4d28 | 6903 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
6904 | nla_nest_end(skb, tmdata); |
6905 | ||
6906 | if (err == -ENOBUFS || err == -ENOENT) { | |
6907 | genlmsg_cancel(skb, hdr); | |
6908 | break; | |
6909 | } else if (err) { | |
6910 | genlmsg_cancel(skb, hdr); | |
6911 | goto out_err; | |
6912 | } | |
6913 | ||
6914 | genlmsg_end(skb, hdr); | |
6915 | } | |
6916 | ||
6917 | err = skb->len; | |
6918 | /* see above */ | |
6919 | cb->args[0] = phy_idx + 1; | |
6920 | out_err: | |
5fe231e8 | 6921 | rtnl_unlock(); |
71063f0e WYG |
6922 | return err; |
6923 | } | |
6924 | ||
567ffc35 JB |
6925 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6926 | enum nl80211_commands cmd, | |
6927 | enum nl80211_attrs attr, | |
6928 | int vendor_event_idx, | |
6929 | int approxlen, gfp_t gfp) | |
aff89a9b JB |
6930 | { |
6931 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
567ffc35 JB |
6932 | const struct nl80211_vendor_cmd_info *info; |
6933 | ||
6934 | switch (cmd) { | |
6935 | case NL80211_CMD_TESTMODE: | |
6936 | if (WARN_ON(vendor_event_idx != -1)) | |
6937 | return NULL; | |
6938 | info = NULL; | |
6939 | break; | |
6940 | case NL80211_CMD_VENDOR: | |
6941 | if (WARN_ON(vendor_event_idx < 0 || | |
6942 | vendor_event_idx >= wiphy->n_vendor_events)) | |
6943 | return NULL; | |
6944 | info = &wiphy->vendor_events[vendor_event_idx]; | |
6945 | break; | |
6946 | default: | |
6947 | WARN_ON(1); | |
6948 | return NULL; | |
6949 | } | |
aff89a9b | 6950 | |
ad7e718c | 6951 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0, |
567ffc35 | 6952 | cmd, attr, info, gfp); |
aff89a9b | 6953 | } |
567ffc35 | 6954 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); |
aff89a9b | 6955 | |
567ffc35 | 6956 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) |
aff89a9b | 6957 | { |
a0ec570f | 6958 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; |
aff89a9b JB |
6959 | void *hdr = ((void **)skb->cb)[1]; |
6960 | struct nlattr *data = ((void **)skb->cb)[2]; | |
567ffc35 | 6961 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; |
aff89a9b JB |
6962 | |
6963 | nla_nest_end(skb, data); | |
6964 | genlmsg_end(skb, hdr); | |
567ffc35 JB |
6965 | |
6966 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
6967 | mcgrp = NL80211_MCGRP_VENDOR; | |
6968 | ||
68eb5503 | 6969 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, |
567ffc35 | 6970 | mcgrp, gfp); |
aff89a9b | 6971 | } |
567ffc35 | 6972 | EXPORT_SYMBOL(__cfg80211_send_event_skb); |
aff89a9b JB |
6973 | #endif |
6974 | ||
b23aa676 SO |
6975 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
6976 | { | |
4c476991 JB |
6977 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6978 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
6979 | struct cfg80211_connect_params connect; |
6980 | struct wiphy *wiphy; | |
fffd0934 | 6981 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
6982 | int err; |
6983 | ||
6984 | memset(&connect, 0, sizeof(connect)); | |
6985 | ||
6986 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
6987 | return -EINVAL; | |
6988 | ||
6989 | if (!info->attrs[NL80211_ATTR_SSID] || | |
6990 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
6991 | return -EINVAL; | |
6992 | ||
6993 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
6994 | connect.auth_type = | |
6995 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
6996 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
6997 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
6998 | return -EINVAL; |
6999 | } else | |
7000 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
7001 | ||
7002 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
7003 | ||
c0692b8f | 7004 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 7005 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
7006 | if (err) |
7007 | return err; | |
b23aa676 | 7008 | |
074ac8df | 7009 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7010 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7011 | return -EOPNOTSUPP; | |
b23aa676 | 7012 | |
79c97e97 | 7013 | wiphy = &rdev->wiphy; |
b23aa676 | 7014 | |
4486ea98 BS |
7015 | connect.bg_scan_period = -1; |
7016 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
7017 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
7018 | connect.bg_scan_period = | |
7019 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
7020 | } | |
7021 | ||
b23aa676 SO |
7022 | if (info->attrs[NL80211_ATTR_MAC]) |
7023 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7024 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
7025 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
7026 | ||
7027 | if (info->attrs[NL80211_ATTR_IE]) { | |
7028 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
7029 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
7030 | } | |
7031 | ||
cee00a95 JM |
7032 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
7033 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
7034 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
7035 | connect.mfp != NL80211_MFP_NO) | |
7036 | return -EINVAL; | |
7037 | } else { | |
7038 | connect.mfp = NL80211_MFP_NO; | |
7039 | } | |
7040 | ||
b23aa676 SO |
7041 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
7042 | connect.channel = | |
7043 | ieee80211_get_channel(wiphy, | |
7044 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
7045 | if (!connect.channel || | |
4c476991 JB |
7046 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
7047 | return -EINVAL; | |
b23aa676 SO |
7048 | } |
7049 | ||
fffd0934 JB |
7050 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
7051 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 7052 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
7053 | if (IS_ERR(connkeys)) |
7054 | return PTR_ERR(connkeys); | |
fffd0934 JB |
7055 | } |
7056 | ||
7e7c8926 BG |
7057 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
7058 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
7059 | ||
7060 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7061 | memcpy(&connect.ht_capa_mask, | |
7062 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7063 | sizeof(connect.ht_capa_mask)); | |
7064 | ||
7065 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e WY |
7066 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
7067 | kfree(connkeys); | |
7e7c8926 | 7068 | return -EINVAL; |
b4e4f47e | 7069 | } |
7e7c8926 BG |
7070 | memcpy(&connect.ht_capa, |
7071 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7072 | sizeof(connect.ht_capa)); | |
7073 | } | |
7074 | ||
ee2aca34 JB |
7075 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
7076 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
7077 | ||
7078 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
7079 | memcpy(&connect.vht_capa_mask, | |
7080 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7081 | sizeof(connect.vht_capa_mask)); | |
7082 | ||
7083 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
7084 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
7085 | kfree(connkeys); | |
7086 | return -EINVAL; | |
7087 | } | |
7088 | memcpy(&connect.vht_capa, | |
7089 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7090 | sizeof(connect.vht_capa)); | |
7091 | } | |
7092 | ||
83739b03 JB |
7093 | wdev_lock(dev->ieee80211_ptr); |
7094 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
7095 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 JB |
7096 | if (err) |
7097 | kfree(connkeys); | |
b23aa676 SO |
7098 | return err; |
7099 | } | |
7100 | ||
7101 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
7102 | { | |
4c476991 JB |
7103 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7104 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 7105 | u16 reason; |
83739b03 | 7106 | int ret; |
b23aa676 SO |
7107 | |
7108 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7109 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
7110 | else | |
7111 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
7112 | ||
7113 | if (reason == 0) | |
7114 | return -EINVAL; | |
7115 | ||
074ac8df | 7116 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7117 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7118 | return -EOPNOTSUPP; | |
b23aa676 | 7119 | |
83739b03 JB |
7120 | wdev_lock(dev->ieee80211_ptr); |
7121 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
7122 | wdev_unlock(dev->ieee80211_ptr); | |
7123 | return ret; | |
b23aa676 SO |
7124 | } |
7125 | ||
463d0183 JB |
7126 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
7127 | { | |
4c476991 | 7128 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
7129 | struct net *net; |
7130 | int err; | |
7131 | u32 pid; | |
7132 | ||
7133 | if (!info->attrs[NL80211_ATTR_PID]) | |
7134 | return -EINVAL; | |
7135 | ||
7136 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
7137 | ||
463d0183 | 7138 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
7139 | if (IS_ERR(net)) |
7140 | return PTR_ERR(net); | |
463d0183 JB |
7141 | |
7142 | err = 0; | |
7143 | ||
7144 | /* check if anything to do */ | |
4c476991 JB |
7145 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
7146 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 7147 | |
463d0183 | 7148 | put_net(net); |
463d0183 JB |
7149 | return err; |
7150 | } | |
7151 | ||
67fbb16b SO |
7152 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
7153 | { | |
4c476991 | 7154 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
7155 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
7156 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 7157 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
7158 | struct cfg80211_pmksa pmksa; |
7159 | ||
7160 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
7161 | ||
7162 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7163 | return -EINVAL; | |
7164 | ||
7165 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
7166 | return -EINVAL; | |
7167 | ||
67fbb16b SO |
7168 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7169 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7170 | ||
074ac8df | 7171 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7172 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7173 | return -EOPNOTSUPP; | |
67fbb16b SO |
7174 | |
7175 | switch (info->genlhdr->cmd) { | |
7176 | case NL80211_CMD_SET_PMKSA: | |
7177 | rdev_ops = rdev->ops->set_pmksa; | |
7178 | break; | |
7179 | case NL80211_CMD_DEL_PMKSA: | |
7180 | rdev_ops = rdev->ops->del_pmksa; | |
7181 | break; | |
7182 | default: | |
7183 | WARN_ON(1); | |
7184 | break; | |
7185 | } | |
7186 | ||
4c476991 JB |
7187 | if (!rdev_ops) |
7188 | return -EOPNOTSUPP; | |
67fbb16b | 7189 | |
4c476991 | 7190 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7191 | } |
7192 | ||
7193 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7194 | { | |
4c476991 JB |
7195 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7196 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7197 | |
074ac8df | 7198 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7199 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7200 | return -EOPNOTSUPP; | |
67fbb16b | 7201 | |
4c476991 JB |
7202 | if (!rdev->ops->flush_pmksa) |
7203 | return -EOPNOTSUPP; | |
67fbb16b | 7204 | |
e35e4d28 | 7205 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7206 | } |
7207 | ||
109086ce AN |
7208 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7209 | { | |
7210 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7211 | struct net_device *dev = info->user_ptr[1]; | |
7212 | u8 action_code, dialog_token; | |
7213 | u16 status_code; | |
7214 | u8 *peer; | |
7215 | ||
7216 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7217 | !rdev->ops->tdls_mgmt) | |
7218 | return -EOPNOTSUPP; | |
7219 | ||
7220 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7221 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7222 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7223 | !info->attrs[NL80211_ATTR_IE] || | |
7224 | !info->attrs[NL80211_ATTR_MAC]) | |
7225 | return -EINVAL; | |
7226 | ||
7227 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7228 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7229 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7230 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
7231 | ||
e35e4d28 HG |
7232 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
7233 | dialog_token, status_code, | |
7234 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
7235 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7236 | } |
7237 | ||
7238 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7239 | { | |
7240 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7241 | struct net_device *dev = info->user_ptr[1]; | |
7242 | enum nl80211_tdls_operation operation; | |
7243 | u8 *peer; | |
7244 | ||
7245 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7246 | !rdev->ops->tdls_oper) | |
7247 | return -EOPNOTSUPP; | |
7248 | ||
7249 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7250 | !info->attrs[NL80211_ATTR_MAC]) | |
7251 | return -EINVAL; | |
7252 | ||
7253 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7254 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7255 | ||
e35e4d28 | 7256 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7257 | } |
7258 | ||
9588bbd5 JM |
7259 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7260 | struct genl_info *info) | |
7261 | { | |
4c476991 | 7262 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7263 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7264 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7265 | struct sk_buff *msg; |
7266 | void *hdr; | |
7267 | u64 cookie; | |
683b6d3b | 7268 | u32 duration; |
9588bbd5 JM |
7269 | int err; |
7270 | ||
7271 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7272 | !info->attrs[NL80211_ATTR_DURATION]) | |
7273 | return -EINVAL; | |
7274 | ||
7275 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7276 | ||
ebf348fc JB |
7277 | if (!rdev->ops->remain_on_channel || |
7278 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7279 | return -EOPNOTSUPP; | |
7280 | ||
9588bbd5 | 7281 | /* |
ebf348fc JB |
7282 | * We should be on that channel for at least a minimum amount of |
7283 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7284 | */ |
ebf348fc | 7285 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 7286 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
7287 | return -EINVAL; |
7288 | ||
683b6d3b JB |
7289 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7290 | if (err) | |
7291 | return err; | |
9588bbd5 JM |
7292 | |
7293 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7294 | if (!msg) |
7295 | return -ENOMEM; | |
9588bbd5 | 7296 | |
15e47304 | 7297 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 7298 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
7299 | if (!hdr) { |
7300 | err = -ENOBUFS; | |
9588bbd5 JM |
7301 | goto free_msg; |
7302 | } | |
7303 | ||
683b6d3b JB |
7304 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
7305 | duration, &cookie); | |
9588bbd5 JM |
7306 | |
7307 | if (err) | |
7308 | goto free_msg; | |
7309 | ||
9360ffd1 DM |
7310 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7311 | goto nla_put_failure; | |
9588bbd5 JM |
7312 | |
7313 | genlmsg_end(msg, hdr); | |
4c476991 JB |
7314 | |
7315 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
7316 | |
7317 | nla_put_failure: | |
7318 | err = -ENOBUFS; | |
7319 | free_msg: | |
7320 | nlmsg_free(msg); | |
9588bbd5 JM |
7321 | return err; |
7322 | } | |
7323 | ||
7324 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
7325 | struct genl_info *info) | |
7326 | { | |
4c476991 | 7327 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7328 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 7329 | u64 cookie; |
9588bbd5 JM |
7330 | |
7331 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7332 | return -EINVAL; | |
7333 | ||
4c476991 JB |
7334 | if (!rdev->ops->cancel_remain_on_channel) |
7335 | return -EOPNOTSUPP; | |
9588bbd5 | 7336 | |
9588bbd5 JM |
7337 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
7338 | ||
e35e4d28 | 7339 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7340 | } |
7341 | ||
13ae75b1 JM |
7342 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7343 | u8 *rates, u8 rates_len) | |
7344 | { | |
7345 | u8 i; | |
7346 | u32 mask = 0; | |
7347 | ||
7348 | for (i = 0; i < rates_len; i++) { | |
7349 | int rate = (rates[i] & 0x7f) * 5; | |
7350 | int ridx; | |
7351 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7352 | struct ieee80211_rate *srate = | |
7353 | &sband->bitrates[ridx]; | |
7354 | if (rate == srate->bitrate) { | |
7355 | mask |= 1 << ridx; | |
7356 | break; | |
7357 | } | |
7358 | } | |
7359 | if (ridx == sband->n_bitrates) | |
7360 | return 0; /* rate not found */ | |
7361 | } | |
7362 | ||
7363 | return mask; | |
7364 | } | |
7365 | ||
24db78c0 SW |
7366 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7367 | u8 *rates, u8 rates_len, | |
7368 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7369 | { | |
7370 | u8 i; | |
7371 | ||
7372 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7373 | ||
7374 | for (i = 0; i < rates_len; i++) { | |
7375 | int ridx, rbit; | |
7376 | ||
7377 | ridx = rates[i] / 8; | |
7378 | rbit = BIT(rates[i] % 8); | |
7379 | ||
7380 | /* check validity */ | |
910570b5 | 7381 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7382 | return false; |
7383 | ||
7384 | /* check availability */ | |
7385 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7386 | mcs[ridx] |= rbit; | |
7387 | else | |
7388 | return false; | |
7389 | } | |
7390 | ||
7391 | return true; | |
7392 | } | |
7393 | ||
204e35a9 JD |
7394 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) |
7395 | { | |
7396 | u16 mcs_mask = 0; | |
7397 | ||
7398 | switch (vht_mcs_map) { | |
7399 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
7400 | break; | |
7401 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
7402 | mcs_mask = 0x00FF; | |
7403 | break; | |
7404 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
7405 | mcs_mask = 0x01FF; | |
7406 | break; | |
7407 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
7408 | mcs_mask = 0x03FF; | |
7409 | break; | |
7410 | default: | |
7411 | break; | |
7412 | } | |
7413 | ||
7414 | return mcs_mask; | |
7415 | } | |
7416 | ||
7417 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
7418 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
7419 | { | |
7420 | u8 nss; | |
7421 | ||
7422 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
7423 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
7424 | vht_mcs_map >>= 2; | |
7425 | } | |
7426 | } | |
7427 | ||
7428 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
7429 | struct nl80211_txrate_vht *txrate, | |
7430 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
7431 | { | |
7432 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7433 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
7434 | u8 i; | |
7435 | ||
7436 | if (!sband->vht_cap.vht_supported) | |
7437 | return false; | |
7438 | ||
7439 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
7440 | ||
7441 | /* Build vht_mcs_mask from VHT capabilities */ | |
7442 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
7443 | ||
7444 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
7445 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
7446 | mcs[i] = txrate->mcs[i]; | |
7447 | else | |
7448 | return false; | |
7449 | } | |
7450 | ||
7451 | return true; | |
7452 | } | |
7453 | ||
b54452b0 | 7454 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
7455 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
7456 | .len = NL80211_MAX_SUPP_RATES }, | |
d1e33e65 JD |
7457 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, |
7458 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
204e35a9 | 7459 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, |
13ae75b1 JM |
7460 | }; |
7461 | ||
7462 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
7463 | struct genl_info *info) | |
7464 | { | |
7465 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 7466 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 7467 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
7468 | int rem, i; |
7469 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
7470 | struct nlattr *tx_rates; |
7471 | struct ieee80211_supported_band *sband; | |
204e35a9 | 7472 | u16 vht_tx_mcs_map; |
13ae75b1 | 7473 | |
4c476991 JB |
7474 | if (!rdev->ops->set_bitrate_mask) |
7475 | return -EOPNOTSUPP; | |
13ae75b1 JM |
7476 | |
7477 | memset(&mask, 0, sizeof(mask)); | |
7478 | /* Default to all rates enabled */ | |
7479 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
7480 | sband = rdev->wiphy.bands[i]; | |
7869303b JD |
7481 | |
7482 | if (!sband) | |
7483 | continue; | |
7484 | ||
7485 | mask.control[i].legacy = (1 << sband->n_bitrates) - 1; | |
d1e33e65 | 7486 | memcpy(mask.control[i].ht_mcs, |
7869303b | 7487 | sband->ht_cap.mcs.rx_mask, |
d1e33e65 | 7488 | sizeof(mask.control[i].ht_mcs)); |
204e35a9 JD |
7489 | |
7490 | if (!sband->vht_cap.vht_supported) | |
7491 | continue; | |
7492 | ||
7493 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7494 | vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs); | |
13ae75b1 JM |
7495 | } |
7496 | ||
b9243ab0 JD |
7497 | /* if no rates are given set it back to the defaults */ |
7498 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
7499 | goto out; | |
7500 | ||
13ae75b1 JM |
7501 | /* |
7502 | * The nested attribute uses enum nl80211_band as the index. This maps | |
7503 | * directly to the enum ieee80211_band values used in cfg80211. | |
7504 | */ | |
24db78c0 | 7505 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
13ae75b1 JM |
7506 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) |
7507 | { | |
7508 | enum ieee80211_band band = nla_type(tx_rates); | |
4c476991 JB |
7509 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
7510 | return -EINVAL; | |
13ae75b1 | 7511 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
7512 | if (sband == NULL) |
7513 | return -EINVAL; | |
13ae75b1 JM |
7514 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
7515 | nla_len(tx_rates), nl80211_txattr_policy); | |
7516 | if (tb[NL80211_TXRATE_LEGACY]) { | |
7517 | mask.control[band].legacy = rateset_to_mask( | |
7518 | sband, | |
7519 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
7520 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
7521 | if ((mask.control[band].legacy == 0) && |
7522 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
7523 | return -EINVAL; | |
24db78c0 | 7524 | } |
d1e33e65 | 7525 | if (tb[NL80211_TXRATE_HT]) { |
24db78c0 SW |
7526 | if (!ht_rateset_to_mask( |
7527 | sband, | |
d1e33e65 JD |
7528 | nla_data(tb[NL80211_TXRATE_HT]), |
7529 | nla_len(tb[NL80211_TXRATE_HT]), | |
7530 | mask.control[band].ht_mcs)) | |
24db78c0 SW |
7531 | return -EINVAL; |
7532 | } | |
204e35a9 JD |
7533 | if (tb[NL80211_TXRATE_VHT]) { |
7534 | if (!vht_set_mcs_mask( | |
7535 | sband, | |
7536 | nla_data(tb[NL80211_TXRATE_VHT]), | |
7537 | mask.control[band].vht_mcs)) | |
7538 | return -EINVAL; | |
7539 | } | |
24db78c0 SW |
7540 | |
7541 | if (mask.control[band].legacy == 0) { | |
204e35a9 JD |
7542 | /* don't allow empty legacy rates if HT or VHT |
7543 | * are not even supported. | |
7544 | */ | |
7545 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
7546 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
24db78c0 SW |
7547 | return -EINVAL; |
7548 | ||
7549 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
d1e33e65 | 7550 | if (mask.control[band].ht_mcs[i]) |
204e35a9 JD |
7551 | goto out; |
7552 | ||
7553 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
7554 | if (mask.control[band].vht_mcs[i]) | |
7555 | goto out; | |
24db78c0 SW |
7556 | |
7557 | /* legacy and mcs rates may not be both empty */ | |
204e35a9 | 7558 | return -EINVAL; |
13ae75b1 JM |
7559 | } |
7560 | } | |
7561 | ||
b9243ab0 | 7562 | out: |
e35e4d28 | 7563 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
7564 | } |
7565 | ||
2e161f78 | 7566 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7567 | { |
4c476991 | 7568 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7569 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 7570 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
7571 | |
7572 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
7573 | return -EINVAL; | |
7574 | ||
2e161f78 JB |
7575 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
7576 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 7577 | |
71bbc994 JB |
7578 | switch (wdev->iftype) { |
7579 | case NL80211_IFTYPE_STATION: | |
7580 | case NL80211_IFTYPE_ADHOC: | |
7581 | case NL80211_IFTYPE_P2P_CLIENT: | |
7582 | case NL80211_IFTYPE_AP: | |
7583 | case NL80211_IFTYPE_AP_VLAN: | |
7584 | case NL80211_IFTYPE_MESH_POINT: | |
7585 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7586 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7587 | break; |
7588 | default: | |
4c476991 | 7589 | return -EOPNOTSUPP; |
71bbc994 | 7590 | } |
026331c4 JM |
7591 | |
7592 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
7593 | if (!rdev->ops->mgmt_tx) |
7594 | return -EOPNOTSUPP; | |
026331c4 | 7595 | |
15e47304 | 7596 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
7597 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
7598 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
7599 | } |
7600 | ||
2e161f78 | 7601 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 7602 | { |
4c476991 | 7603 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7604 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7605 | struct cfg80211_chan_def chandef; |
026331c4 | 7606 | int err; |
d64d373f | 7607 | void *hdr = NULL; |
026331c4 | 7608 | u64 cookie; |
e247bd90 | 7609 | struct sk_buff *msg = NULL; |
b176e629 AO |
7610 | struct cfg80211_mgmt_tx_params params = { |
7611 | .dont_wait_for_ack = | |
7612 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
7613 | }; | |
026331c4 | 7614 | |
683b6d3b | 7615 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
7616 | return -EINVAL; |
7617 | ||
4c476991 JB |
7618 | if (!rdev->ops->mgmt_tx) |
7619 | return -EOPNOTSUPP; | |
026331c4 | 7620 | |
71bbc994 | 7621 | switch (wdev->iftype) { |
ea141b75 AQ |
7622 | case NL80211_IFTYPE_P2P_DEVICE: |
7623 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7624 | return -EINVAL; | |
71bbc994 JB |
7625 | case NL80211_IFTYPE_STATION: |
7626 | case NL80211_IFTYPE_ADHOC: | |
7627 | case NL80211_IFTYPE_P2P_CLIENT: | |
7628 | case NL80211_IFTYPE_AP: | |
7629 | case NL80211_IFTYPE_AP_VLAN: | |
7630 | case NL80211_IFTYPE_MESH_POINT: | |
7631 | case NL80211_IFTYPE_P2P_GO: | |
7632 | break; | |
7633 | default: | |
4c476991 | 7634 | return -EOPNOTSUPP; |
71bbc994 | 7635 | } |
026331c4 | 7636 | |
f7ca38df | 7637 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 7638 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 7639 | return -EINVAL; |
b176e629 | 7640 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
7641 | |
7642 | /* | |
7643 | * We should wait on the channel for at least a minimum amount | |
7644 | * of time (10ms) but no longer than the driver supports. | |
7645 | */ | |
b176e629 AO |
7646 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
7647 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc JB |
7648 | return -EINVAL; |
7649 | ||
f7ca38df JB |
7650 | } |
7651 | ||
b176e629 | 7652 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 7653 | |
b176e629 | 7654 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
7655 | return -EINVAL; |
7656 | ||
b176e629 | 7657 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 7658 | |
ea141b75 AQ |
7659 | /* get the channel if any has been specified, otherwise pass NULL to |
7660 | * the driver. The latter will use the current one | |
7661 | */ | |
7662 | chandef.chan = NULL; | |
7663 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
7664 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
7665 | if (err) | |
7666 | return err; | |
7667 | } | |
7668 | ||
b176e629 | 7669 | if (!chandef.chan && params.offchan) |
ea141b75 | 7670 | return -EINVAL; |
026331c4 | 7671 | |
b176e629 | 7672 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
7673 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
7674 | if (!msg) | |
7675 | return -ENOMEM; | |
026331c4 | 7676 | |
15e47304 | 7677 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 7678 | NL80211_CMD_FRAME); |
cb35fba3 DC |
7679 | if (!hdr) { |
7680 | err = -ENOBUFS; | |
e247bd90 JB |
7681 | goto free_msg; |
7682 | } | |
026331c4 | 7683 | } |
e247bd90 | 7684 | |
b176e629 AO |
7685 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
7686 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
7687 | params.chan = chandef.chan; | |
7688 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
7689 | if (err) |
7690 | goto free_msg; | |
7691 | ||
e247bd90 | 7692 | if (msg) { |
9360ffd1 DM |
7693 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7694 | goto nla_put_failure; | |
026331c4 | 7695 | |
e247bd90 JB |
7696 | genlmsg_end(msg, hdr); |
7697 | return genlmsg_reply(msg, info); | |
7698 | } | |
7699 | ||
7700 | return 0; | |
026331c4 JM |
7701 | |
7702 | nla_put_failure: | |
7703 | err = -ENOBUFS; | |
7704 | free_msg: | |
7705 | nlmsg_free(msg); | |
026331c4 JM |
7706 | return err; |
7707 | } | |
7708 | ||
f7ca38df JB |
7709 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
7710 | { | |
7711 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 7712 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
7713 | u64 cookie; |
7714 | ||
7715 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7716 | return -EINVAL; | |
7717 | ||
7718 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
7719 | return -EOPNOTSUPP; | |
7720 | ||
71bbc994 JB |
7721 | switch (wdev->iftype) { |
7722 | case NL80211_IFTYPE_STATION: | |
7723 | case NL80211_IFTYPE_ADHOC: | |
7724 | case NL80211_IFTYPE_P2P_CLIENT: | |
7725 | case NL80211_IFTYPE_AP: | |
7726 | case NL80211_IFTYPE_AP_VLAN: | |
7727 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 7728 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
7729 | break; |
7730 | default: | |
f7ca38df | 7731 | return -EOPNOTSUPP; |
71bbc994 | 7732 | } |
f7ca38df JB |
7733 | |
7734 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7735 | ||
e35e4d28 | 7736 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
7737 | } |
7738 | ||
ffb9eb3d KV |
7739 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
7740 | { | |
4c476991 | 7741 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 7742 | struct wireless_dev *wdev; |
4c476991 | 7743 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7744 | u8 ps_state; |
7745 | bool state; | |
7746 | int err; | |
7747 | ||
4c476991 JB |
7748 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
7749 | return -EINVAL; | |
ffb9eb3d KV |
7750 | |
7751 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
7752 | ||
4c476991 JB |
7753 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
7754 | return -EINVAL; | |
ffb9eb3d KV |
7755 | |
7756 | wdev = dev->ieee80211_ptr; | |
7757 | ||
4c476991 JB |
7758 | if (!rdev->ops->set_power_mgmt) |
7759 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7760 | |
7761 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
7762 | ||
7763 | if (state == wdev->ps) | |
4c476991 | 7764 | return 0; |
ffb9eb3d | 7765 | |
e35e4d28 | 7766 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
7767 | if (!err) |
7768 | wdev->ps = state; | |
ffb9eb3d KV |
7769 | return err; |
7770 | } | |
7771 | ||
7772 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
7773 | { | |
4c476991 | 7774 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
7775 | enum nl80211_ps_state ps_state; |
7776 | struct wireless_dev *wdev; | |
4c476991 | 7777 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
7778 | struct sk_buff *msg; |
7779 | void *hdr; | |
7780 | int err; | |
7781 | ||
ffb9eb3d KV |
7782 | wdev = dev->ieee80211_ptr; |
7783 | ||
4c476991 JB |
7784 | if (!rdev->ops->set_power_mgmt) |
7785 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
7786 | |
7787 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7788 | if (!msg) |
7789 | return -ENOMEM; | |
ffb9eb3d | 7790 | |
15e47304 | 7791 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
7792 | NL80211_CMD_GET_POWER_SAVE); |
7793 | if (!hdr) { | |
4c476991 | 7794 | err = -ENOBUFS; |
ffb9eb3d KV |
7795 | goto free_msg; |
7796 | } | |
7797 | ||
7798 | if (wdev->ps) | |
7799 | ps_state = NL80211_PS_ENABLED; | |
7800 | else | |
7801 | ps_state = NL80211_PS_DISABLED; | |
7802 | ||
9360ffd1 DM |
7803 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
7804 | goto nla_put_failure; | |
ffb9eb3d KV |
7805 | |
7806 | genlmsg_end(msg, hdr); | |
4c476991 | 7807 | return genlmsg_reply(msg, info); |
ffb9eb3d | 7808 | |
4c476991 | 7809 | nla_put_failure: |
ffb9eb3d | 7810 | err = -ENOBUFS; |
4c476991 | 7811 | free_msg: |
ffb9eb3d | 7812 | nlmsg_free(msg); |
ffb9eb3d KV |
7813 | return err; |
7814 | } | |
7815 | ||
d6dc1a38 JO |
7816 | static struct nla_policy |
7817 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { | |
7818 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, | |
7819 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
7820 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
7821 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
7822 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
7823 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
7824 | }; |
7825 | ||
84f10708 | 7826 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 7827 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
7828 | { |
7829 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 7830 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7831 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 7832 | |
d9d8b019 | 7833 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
7834 | return -EINVAL; |
7835 | ||
84f10708 TP |
7836 | if (!rdev->ops->set_cqm_txe_config) |
7837 | return -EOPNOTSUPP; | |
7838 | ||
7839 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
7840 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
7841 | return -EOPNOTSUPP; | |
7842 | ||
e35e4d28 | 7843 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
7844 | } |
7845 | ||
d6dc1a38 JO |
7846 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
7847 | s32 threshold, u32 hysteresis) | |
7848 | { | |
4c476991 | 7849 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 7850 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 7851 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
7852 | |
7853 | if (threshold > 0) | |
7854 | return -EINVAL; | |
7855 | ||
1da5fcc8 JB |
7856 | /* disabling - hysteresis should also be zero then */ |
7857 | if (threshold == 0) | |
7858 | hysteresis = 0; | |
d6dc1a38 | 7859 | |
4c476991 JB |
7860 | if (!rdev->ops->set_cqm_rssi_config) |
7861 | return -EOPNOTSUPP; | |
d6dc1a38 | 7862 | |
074ac8df | 7863 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7864 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7865 | return -EOPNOTSUPP; | |
d6dc1a38 | 7866 | |
e35e4d28 | 7867 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
7868 | } |
7869 | ||
7870 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
7871 | { | |
7872 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
7873 | struct nlattr *cqm; | |
7874 | int err; | |
7875 | ||
7876 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
7877 | if (!cqm) |
7878 | return -EINVAL; | |
d6dc1a38 JO |
7879 | |
7880 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
7881 | nl80211_attr_cqm_policy); | |
7882 | if (err) | |
1da5fcc8 | 7883 | return err; |
d6dc1a38 JO |
7884 | |
7885 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
7886 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
7887 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
7888 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 7889 | |
1da5fcc8 JB |
7890 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
7891 | } | |
7892 | ||
7893 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
7894 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
7895 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
7896 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
7897 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
7898 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
7899 | ||
7900 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
7901 | } | |
7902 | ||
7903 | return -EINVAL; | |
d6dc1a38 JO |
7904 | } |
7905 | ||
29cbe68c JB |
7906 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
7907 | { | |
7908 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7909 | struct net_device *dev = info->user_ptr[1]; | |
7910 | struct mesh_config cfg; | |
c80d545d | 7911 | struct mesh_setup setup; |
29cbe68c JB |
7912 | int err; |
7913 | ||
7914 | /* start with default */ | |
7915 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 7916 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 7917 | |
24bdd9f4 | 7918 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 7919 | /* and parse parameters if given */ |
24bdd9f4 | 7920 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
7921 | if (err) |
7922 | return err; | |
7923 | } | |
7924 | ||
7925 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
7926 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
7927 | return -EINVAL; | |
7928 | ||
c80d545d JC |
7929 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
7930 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
7931 | ||
4bb62344 CYY |
7932 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
7933 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
7934 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
7935 | return -EINVAL; | |
7936 | ||
9bdbf04d MP |
7937 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
7938 | setup.beacon_interval = | |
7939 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
7940 | if (setup.beacon_interval < 10 || | |
7941 | setup.beacon_interval > 10000) | |
7942 | return -EINVAL; | |
7943 | } | |
7944 | ||
7945 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
7946 | setup.dtim_period = | |
7947 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
7948 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
7949 | return -EINVAL; | |
7950 | } | |
7951 | ||
c80d545d JC |
7952 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
7953 | /* parse additional setup parameters if given */ | |
7954 | err = nl80211_parse_mesh_setup(info, &setup); | |
7955 | if (err) | |
7956 | return err; | |
7957 | } | |
7958 | ||
d37bb18a TP |
7959 | if (setup.user_mpm) |
7960 | cfg.auto_open_plinks = false; | |
7961 | ||
cc1d2806 | 7962 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
7963 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
7964 | if (err) | |
7965 | return err; | |
cc1d2806 JB |
7966 | } else { |
7967 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 7968 | setup.chandef.chan = NULL; |
cc1d2806 JB |
7969 | } |
7970 | ||
ffb3cf30 AN |
7971 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
7972 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7973 | int n_rates = | |
7974 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7975 | struct ieee80211_supported_band *sband; | |
7976 | ||
7977 | if (!setup.chandef.chan) | |
7978 | return -EINVAL; | |
7979 | ||
7980 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
7981 | ||
7982 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
7983 | &setup.basic_rates); | |
7984 | if (err) | |
7985 | return err; | |
7986 | } | |
7987 | ||
c80d545d | 7988 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
7989 | } |
7990 | ||
7991 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
7992 | { | |
7993 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7994 | struct net_device *dev = info->user_ptr[1]; | |
7995 | ||
7996 | return cfg80211_leave_mesh(rdev, dev); | |
7997 | } | |
7998 | ||
dfb89c56 | 7999 | #ifdef CONFIG_PM |
bb92d199 AK |
8000 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
8001 | struct cfg80211_registered_device *rdev) | |
8002 | { | |
6abb9cb9 | 8003 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
8004 | struct nlattr *nl_pats, *nl_pat; |
8005 | int i, pat_len; | |
8006 | ||
6abb9cb9 | 8007 | if (!wowlan->n_patterns) |
bb92d199 AK |
8008 | return 0; |
8009 | ||
8010 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
8011 | if (!nl_pats) | |
8012 | return -ENOBUFS; | |
8013 | ||
6abb9cb9 | 8014 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
8015 | nl_pat = nla_nest_start(msg, i + 1); |
8016 | if (!nl_pat) | |
8017 | return -ENOBUFS; | |
6abb9cb9 | 8018 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 8019 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 8020 | wowlan->patterns[i].mask) || |
50ac6607 AK |
8021 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
8022 | wowlan->patterns[i].pattern) || | |
8023 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 8024 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
8025 | return -ENOBUFS; |
8026 | nla_nest_end(msg, nl_pat); | |
8027 | } | |
8028 | nla_nest_end(msg, nl_pats); | |
8029 | ||
8030 | return 0; | |
8031 | } | |
8032 | ||
2a0e047e JB |
8033 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
8034 | struct cfg80211_wowlan_tcp *tcp) | |
8035 | { | |
8036 | struct nlattr *nl_tcp; | |
8037 | ||
8038 | if (!tcp) | |
8039 | return 0; | |
8040 | ||
8041 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
8042 | if (!nl_tcp) | |
8043 | return -ENOBUFS; | |
8044 | ||
8045 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
8046 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
8047 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
8048 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
8049 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
8050 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
8051 | tcp->payload_len, tcp->payload) || | |
8052 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
8053 | tcp->data_interval) || | |
8054 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
8055 | tcp->wake_len, tcp->wake_data) || | |
8056 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
8057 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
8058 | return -ENOBUFS; | |
8059 | ||
8060 | if (tcp->payload_seq.len && | |
8061 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
8062 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
8063 | return -ENOBUFS; | |
8064 | ||
8065 | if (tcp->payload_tok.len && | |
8066 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
8067 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
8068 | &tcp->payload_tok)) | |
8069 | return -ENOBUFS; | |
8070 | ||
e248ad30 JB |
8071 | nla_nest_end(msg, nl_tcp); |
8072 | ||
2a0e047e JB |
8073 | return 0; |
8074 | } | |
8075 | ||
ff1b6e69 JB |
8076 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
8077 | { | |
8078 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8079 | struct sk_buff *msg; | |
8080 | void *hdr; | |
2a0e047e | 8081 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 8082 | |
964dc9e2 | 8083 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
8084 | return -EOPNOTSUPP; |
8085 | ||
6abb9cb9 | 8086 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 8087 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
8088 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
8089 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
8090 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
8091 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
8092 | } |
8093 | ||
8094 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
8095 | if (!msg) |
8096 | return -ENOMEM; | |
8097 | ||
15e47304 | 8098 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
8099 | NL80211_CMD_GET_WOWLAN); |
8100 | if (!hdr) | |
8101 | goto nla_put_failure; | |
8102 | ||
6abb9cb9 | 8103 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
8104 | struct nlattr *nl_wowlan; |
8105 | ||
8106 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
8107 | if (!nl_wowlan) | |
8108 | goto nla_put_failure; | |
8109 | ||
6abb9cb9 | 8110 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 8111 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 8112 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 8113 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 8114 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 8115 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 8116 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 8117 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 8118 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 8119 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 8120 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 8121 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 8122 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
8123 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
8124 | goto nla_put_failure; | |
2a0e047e | 8125 | |
bb92d199 AK |
8126 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
8127 | goto nla_put_failure; | |
2a0e047e | 8128 | |
6abb9cb9 JB |
8129 | if (nl80211_send_wowlan_tcp(msg, |
8130 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e JB |
8131 | goto nla_put_failure; |
8132 | ||
ff1b6e69 JB |
8133 | nla_nest_end(msg, nl_wowlan); |
8134 | } | |
8135 | ||
8136 | genlmsg_end(msg, hdr); | |
8137 | return genlmsg_reply(msg, info); | |
8138 | ||
8139 | nla_put_failure: | |
8140 | nlmsg_free(msg); | |
8141 | return -ENOBUFS; | |
8142 | } | |
8143 | ||
2a0e047e JB |
8144 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
8145 | struct nlattr *attr, | |
8146 | struct cfg80211_wowlan *trig) | |
8147 | { | |
8148 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
8149 | struct cfg80211_wowlan_tcp *cfg; | |
8150 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
8151 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
8152 | u32 size; | |
8153 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
8154 | int err, port; | |
8155 | ||
964dc9e2 | 8156 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
8157 | return -EINVAL; |
8158 | ||
8159 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
8160 | nla_data(attr), nla_len(attr), | |
8161 | nl80211_wowlan_tcp_policy); | |
8162 | if (err) | |
8163 | return err; | |
8164 | ||
8165 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
8166 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
8167 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
8168 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
8169 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
8170 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
8171 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
8172 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
8173 | return -EINVAL; | |
8174 | ||
8175 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 8176 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
8177 | return -EINVAL; |
8178 | ||
8179 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 8180 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 8181 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
8182 | return -EINVAL; |
8183 | ||
8184 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 8185 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
8186 | return -EINVAL; |
8187 | ||
8188 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
8189 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
8190 | return -EINVAL; | |
8191 | ||
8192 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
8193 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8194 | ||
8195 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8196 | tokens_size = tokln - sizeof(*tok); | |
8197 | ||
8198 | if (!tok->len || tokens_size % tok->len) | |
8199 | return -EINVAL; | |
964dc9e2 | 8200 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 8201 | return -EINVAL; |
964dc9e2 | 8202 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 8203 | return -EINVAL; |
964dc9e2 | 8204 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 8205 | return -EINVAL; |
964dc9e2 | 8206 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
8207 | return -EINVAL; |
8208 | if (tok->offset + tok->len > data_size) | |
8209 | return -EINVAL; | |
8210 | } | |
8211 | ||
8212 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
8213 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 8214 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
8215 | return -EINVAL; |
8216 | if (seq->len == 0 || seq->len > 4) | |
8217 | return -EINVAL; | |
8218 | if (seq->len + seq->offset > data_size) | |
8219 | return -EINVAL; | |
8220 | } | |
8221 | ||
8222 | size = sizeof(*cfg); | |
8223 | size += data_size; | |
8224 | size += wake_size + wake_mask_size; | |
8225 | size += tokens_size; | |
8226 | ||
8227 | cfg = kzalloc(size, GFP_KERNEL); | |
8228 | if (!cfg) | |
8229 | return -ENOMEM; | |
8230 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
8231 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
8232 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
8233 | ETH_ALEN); | |
8234 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
8235 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
8236 | else | |
8237 | port = 0; | |
8238 | #ifdef CONFIG_INET | |
8239 | /* allocate a socket and port for it and use it */ | |
8240 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
8241 | IPPROTO_TCP, &cfg->sock, 1); | |
8242 | if (err) { | |
8243 | kfree(cfg); | |
8244 | return err; | |
8245 | } | |
8246 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
8247 | sock_release(cfg->sock); | |
8248 | kfree(cfg); | |
8249 | return -EADDRINUSE; | |
8250 | } | |
8251 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
8252 | #else | |
8253 | if (!port) { | |
8254 | kfree(cfg); | |
8255 | return -EINVAL; | |
8256 | } | |
8257 | cfg->src_port = port; | |
8258 | #endif | |
8259 | ||
8260 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
8261 | cfg->payload_len = data_size; | |
8262 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
8263 | memcpy((void *)cfg->payload, | |
8264 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
8265 | data_size); | |
8266 | if (seq) | |
8267 | cfg->payload_seq = *seq; | |
8268 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
8269 | cfg->wake_len = wake_size; | |
8270 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
8271 | memcpy((void *)cfg->wake_data, | |
8272 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
8273 | wake_size); | |
8274 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
8275 | data_size + wake_size; | |
8276 | memcpy((void *)cfg->wake_mask, | |
8277 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
8278 | wake_mask_size); | |
8279 | if (tok) { | |
8280 | cfg->tokens_size = tokens_size; | |
8281 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
8282 | } | |
8283 | ||
8284 | trig->tcp = cfg; | |
8285 | ||
8286 | return 0; | |
8287 | } | |
8288 | ||
ff1b6e69 JB |
8289 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
8290 | { | |
8291 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8292 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 8293 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 8294 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 8295 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 8296 | int err, i; |
6abb9cb9 | 8297 | bool prev_enabled = rdev->wiphy.wowlan_config; |
ff1b6e69 | 8298 | |
964dc9e2 | 8299 | if (!wowlan) |
ff1b6e69 JB |
8300 | return -EOPNOTSUPP; |
8301 | ||
ae33bd81 JB |
8302 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
8303 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 8304 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
8305 | goto set_wakeup; |
8306 | } | |
ff1b6e69 JB |
8307 | |
8308 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
8309 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8310 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8311 | nl80211_wowlan_policy); | |
8312 | if (err) | |
8313 | return err; | |
8314 | ||
8315 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
8316 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
8317 | return -EINVAL; | |
8318 | new_triggers.any = true; | |
8319 | } | |
8320 | ||
8321 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
8322 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
8323 | return -EINVAL; | |
8324 | new_triggers.disconnect = true; | |
8325 | } | |
8326 | ||
8327 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
8328 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
8329 | return -EINVAL; | |
8330 | new_triggers.magic_pkt = true; | |
8331 | } | |
8332 | ||
77dbbb13 JB |
8333 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
8334 | return -EINVAL; | |
8335 | ||
8336 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
8337 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
8338 | return -EINVAL; | |
8339 | new_triggers.gtk_rekey_failure = true; | |
8340 | } | |
8341 | ||
8342 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
8343 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
8344 | return -EINVAL; | |
8345 | new_triggers.eap_identity_req = true; | |
8346 | } | |
8347 | ||
8348 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
8349 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
8350 | return -EINVAL; | |
8351 | new_triggers.four_way_handshake = true; | |
8352 | } | |
8353 | ||
8354 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
8355 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
8356 | return -EINVAL; | |
8357 | new_triggers.rfkill_release = true; | |
8358 | } | |
8359 | ||
ff1b6e69 JB |
8360 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
8361 | struct nlattr *pat; | |
8362 | int n_patterns = 0; | |
bb92d199 | 8363 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 8364 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 JB |
8365 | |
8366 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8367 | rem) | |
8368 | n_patterns++; | |
8369 | if (n_patterns > wowlan->n_patterns) | |
8370 | return -EINVAL; | |
8371 | ||
8372 | new_triggers.patterns = kcalloc(n_patterns, | |
8373 | sizeof(new_triggers.patterns[0]), | |
8374 | GFP_KERNEL); | |
8375 | if (!new_triggers.patterns) | |
8376 | return -ENOMEM; | |
8377 | ||
8378 | new_triggers.n_patterns = n_patterns; | |
8379 | i = 0; | |
8380 | ||
8381 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8382 | rem) { | |
50ac6607 AK |
8383 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8384 | nla_len(pat), NULL); | |
ff1b6e69 | 8385 | err = -EINVAL; |
50ac6607 AK |
8386 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
8387 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 8388 | goto error; |
50ac6607 | 8389 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 8390 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 8391 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
8392 | goto error; |
8393 | if (pat_len > wowlan->pattern_max_len || | |
8394 | pat_len < wowlan->pattern_min_len) | |
8395 | goto error; | |
8396 | ||
50ac6607 | 8397 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
8398 | pkt_offset = 0; |
8399 | else | |
8400 | pkt_offset = nla_get_u32( | |
50ac6607 | 8401 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
8402 | if (pkt_offset > wowlan->max_pkt_offset) |
8403 | goto error; | |
8404 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
8405 | ||
ff1b6e69 JB |
8406 | new_triggers.patterns[i].mask = |
8407 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8408 | if (!new_triggers.patterns[i].mask) { | |
8409 | err = -ENOMEM; | |
8410 | goto error; | |
8411 | } | |
8412 | new_triggers.patterns[i].pattern = | |
8413 | new_triggers.patterns[i].mask + mask_len; | |
8414 | memcpy(new_triggers.patterns[i].mask, | |
50ac6607 | 8415 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), |
ff1b6e69 JB |
8416 | mask_len); |
8417 | new_triggers.patterns[i].pattern_len = pat_len; | |
8418 | memcpy(new_triggers.patterns[i].pattern, | |
50ac6607 | 8419 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
8420 | pat_len); |
8421 | i++; | |
8422 | } | |
8423 | } | |
8424 | ||
2a0e047e JB |
8425 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
8426 | err = nl80211_parse_wowlan_tcp( | |
8427 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
8428 | &new_triggers); | |
8429 | if (err) | |
8430 | goto error; | |
8431 | } | |
8432 | ||
ae33bd81 JB |
8433 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
8434 | if (!ntrig) { | |
8435 | err = -ENOMEM; | |
8436 | goto error; | |
ff1b6e69 | 8437 | } |
ae33bd81 | 8438 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 8439 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 8440 | |
ae33bd81 | 8441 | set_wakeup: |
6abb9cb9 JB |
8442 | if (rdev->ops->set_wakeup && |
8443 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
8444 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 8445 | |
ff1b6e69 JB |
8446 | return 0; |
8447 | error: | |
8448 | for (i = 0; i < new_triggers.n_patterns; i++) | |
8449 | kfree(new_triggers.patterns[i].mask); | |
8450 | kfree(new_triggers.patterns); | |
2a0e047e JB |
8451 | if (new_triggers.tcp && new_triggers.tcp->sock) |
8452 | sock_release(new_triggers.tcp->sock); | |
8453 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
8454 | return err; |
8455 | } | |
dfb89c56 | 8456 | #endif |
ff1b6e69 | 8457 | |
be29b99a AK |
8458 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
8459 | struct cfg80211_registered_device *rdev) | |
8460 | { | |
8461 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
8462 | int i, j, pat_len; | |
8463 | struct cfg80211_coalesce_rules *rule; | |
8464 | ||
8465 | if (!rdev->coalesce->n_rules) | |
8466 | return 0; | |
8467 | ||
8468 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
8469 | if (!nl_rules) | |
8470 | return -ENOBUFS; | |
8471 | ||
8472 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
8473 | nl_rule = nla_nest_start(msg, i + 1); | |
8474 | if (!nl_rule) | |
8475 | return -ENOBUFS; | |
8476 | ||
8477 | rule = &rdev->coalesce->rules[i]; | |
8478 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
8479 | rule->delay)) | |
8480 | return -ENOBUFS; | |
8481 | ||
8482 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
8483 | rule->condition)) | |
8484 | return -ENOBUFS; | |
8485 | ||
8486 | nl_pats = nla_nest_start(msg, | |
8487 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
8488 | if (!nl_pats) | |
8489 | return -ENOBUFS; | |
8490 | ||
8491 | for (j = 0; j < rule->n_patterns; j++) { | |
8492 | nl_pat = nla_nest_start(msg, j + 1); | |
8493 | if (!nl_pat) | |
8494 | return -ENOBUFS; | |
8495 | pat_len = rule->patterns[j].pattern_len; | |
8496 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
8497 | DIV_ROUND_UP(pat_len, 8), | |
8498 | rule->patterns[j].mask) || | |
8499 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
8500 | rule->patterns[j].pattern) || | |
8501 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
8502 | rule->patterns[j].pkt_offset)) | |
8503 | return -ENOBUFS; | |
8504 | nla_nest_end(msg, nl_pat); | |
8505 | } | |
8506 | nla_nest_end(msg, nl_pats); | |
8507 | nla_nest_end(msg, nl_rule); | |
8508 | } | |
8509 | nla_nest_end(msg, nl_rules); | |
8510 | ||
8511 | return 0; | |
8512 | } | |
8513 | ||
8514 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8515 | { | |
8516 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8517 | struct sk_buff *msg; | |
8518 | void *hdr; | |
8519 | ||
8520 | if (!rdev->wiphy.coalesce) | |
8521 | return -EOPNOTSUPP; | |
8522 | ||
8523 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8524 | if (!msg) | |
8525 | return -ENOMEM; | |
8526 | ||
8527 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8528 | NL80211_CMD_GET_COALESCE); | |
8529 | if (!hdr) | |
8530 | goto nla_put_failure; | |
8531 | ||
8532 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
8533 | goto nla_put_failure; | |
8534 | ||
8535 | genlmsg_end(msg, hdr); | |
8536 | return genlmsg_reply(msg, info); | |
8537 | ||
8538 | nla_put_failure: | |
8539 | nlmsg_free(msg); | |
8540 | return -ENOBUFS; | |
8541 | } | |
8542 | ||
8543 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
8544 | { | |
8545 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
8546 | int i, j; | |
8547 | struct cfg80211_coalesce_rules *rule; | |
8548 | ||
8549 | if (!coalesce) | |
8550 | return; | |
8551 | ||
8552 | for (i = 0; i < coalesce->n_rules; i++) { | |
8553 | rule = &coalesce->rules[i]; | |
8554 | for (j = 0; j < rule->n_patterns; j++) | |
8555 | kfree(rule->patterns[j].mask); | |
8556 | kfree(rule->patterns); | |
8557 | } | |
8558 | kfree(coalesce->rules); | |
8559 | kfree(coalesce); | |
8560 | rdev->coalesce = NULL; | |
8561 | } | |
8562 | ||
8563 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
8564 | struct nlattr *rule, | |
8565 | struct cfg80211_coalesce_rules *new_rule) | |
8566 | { | |
8567 | int err, i; | |
8568 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8569 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
8570 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
8571 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
8572 | ||
8573 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
8574 | nla_len(rule), nl80211_coalesce_policy); | |
8575 | if (err) | |
8576 | return err; | |
8577 | ||
8578 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
8579 | new_rule->delay = | |
8580 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
8581 | if (new_rule->delay > coalesce->max_delay) | |
8582 | return -EINVAL; | |
8583 | ||
8584 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
8585 | new_rule->condition = | |
8586 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
8587 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
8588 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
8589 | return -EINVAL; | |
8590 | ||
8591 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
8592 | return -EINVAL; | |
8593 | ||
8594 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8595 | rem) | |
8596 | n_patterns++; | |
8597 | if (n_patterns > coalesce->n_patterns) | |
8598 | return -EINVAL; | |
8599 | ||
8600 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
8601 | GFP_KERNEL); | |
8602 | if (!new_rule->patterns) | |
8603 | return -ENOMEM; | |
8604 | ||
8605 | new_rule->n_patterns = n_patterns; | |
8606 | i = 0; | |
8607 | ||
8608 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
8609 | rem) { | |
8610 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), | |
8611 | nla_len(pat), NULL); | |
8612 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
8613 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
8614 | return -EINVAL; | |
8615 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
8616 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
8617 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
8618 | return -EINVAL; | |
8619 | if (pat_len > coalesce->pattern_max_len || | |
8620 | pat_len < coalesce->pattern_min_len) | |
8621 | return -EINVAL; | |
8622 | ||
8623 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
8624 | pkt_offset = 0; | |
8625 | else | |
8626 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
8627 | if (pkt_offset > coalesce->max_pkt_offset) | |
8628 | return -EINVAL; | |
8629 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
8630 | ||
8631 | new_rule->patterns[i].mask = | |
8632 | kmalloc(mask_len + pat_len, GFP_KERNEL); | |
8633 | if (!new_rule->patterns[i].mask) | |
8634 | return -ENOMEM; | |
8635 | new_rule->patterns[i].pattern = | |
8636 | new_rule->patterns[i].mask + mask_len; | |
8637 | memcpy(new_rule->patterns[i].mask, | |
8638 | nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len); | |
8639 | new_rule->patterns[i].pattern_len = pat_len; | |
8640 | memcpy(new_rule->patterns[i].pattern, | |
8641 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len); | |
8642 | i++; | |
8643 | } | |
8644 | ||
8645 | return 0; | |
8646 | } | |
8647 | ||
8648 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
8649 | { | |
8650 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8651 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
8652 | struct cfg80211_coalesce new_coalesce = {}; | |
8653 | struct cfg80211_coalesce *n_coalesce; | |
8654 | int err, rem_rule, n_rules = 0, i, j; | |
8655 | struct nlattr *rule; | |
8656 | struct cfg80211_coalesce_rules *tmp_rule; | |
8657 | ||
8658 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
8659 | return -EOPNOTSUPP; | |
8660 | ||
8661 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
8662 | cfg80211_rdev_free_coalesce(rdev); | |
8663 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
8664 | return 0; | |
8665 | } | |
8666 | ||
8667 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8668 | rem_rule) | |
8669 | n_rules++; | |
8670 | if (n_rules > coalesce->n_rules) | |
8671 | return -EINVAL; | |
8672 | ||
8673 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
8674 | GFP_KERNEL); | |
8675 | if (!new_coalesce.rules) | |
8676 | return -ENOMEM; | |
8677 | ||
8678 | new_coalesce.n_rules = n_rules; | |
8679 | i = 0; | |
8680 | ||
8681 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
8682 | rem_rule) { | |
8683 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
8684 | &new_coalesce.rules[i]); | |
8685 | if (err) | |
8686 | goto error; | |
8687 | ||
8688 | i++; | |
8689 | } | |
8690 | ||
8691 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
8692 | if (err) | |
8693 | goto error; | |
8694 | ||
8695 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
8696 | if (!n_coalesce) { | |
8697 | err = -ENOMEM; | |
8698 | goto error; | |
8699 | } | |
8700 | cfg80211_rdev_free_coalesce(rdev); | |
8701 | rdev->coalesce = n_coalesce; | |
8702 | ||
8703 | return 0; | |
8704 | error: | |
8705 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
8706 | tmp_rule = &new_coalesce.rules[i]; | |
8707 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
8708 | kfree(tmp_rule->patterns[j].mask); | |
8709 | kfree(tmp_rule->patterns); | |
8710 | } | |
8711 | kfree(new_coalesce.rules); | |
8712 | ||
8713 | return err; | |
8714 | } | |
8715 | ||
e5497d76 JB |
8716 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
8717 | { | |
8718 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8719 | struct net_device *dev = info->user_ptr[1]; | |
8720 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8721 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
8722 | struct cfg80211_gtk_rekey_data rekey_data; | |
8723 | int err; | |
8724 | ||
8725 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
8726 | return -EINVAL; | |
8727 | ||
8728 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
8729 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8730 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
8731 | nl80211_rekey_policy); | |
8732 | if (err) | |
8733 | return err; | |
8734 | ||
8735 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
8736 | return -ERANGE; | |
8737 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
8738 | return -ERANGE; | |
8739 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
8740 | return -ERANGE; | |
8741 | ||
8742 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), | |
8743 | NL80211_KEK_LEN); | |
8744 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), | |
8745 | NL80211_KCK_LEN); | |
8746 | memcpy(rekey_data.replay_ctr, | |
8747 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), | |
8748 | NL80211_REPLAY_CTR_LEN); | |
8749 | ||
8750 | wdev_lock(wdev); | |
8751 | if (!wdev->current_bss) { | |
8752 | err = -ENOTCONN; | |
8753 | goto out; | |
8754 | } | |
8755 | ||
8756 | if (!rdev->ops->set_rekey_data) { | |
8757 | err = -EOPNOTSUPP; | |
8758 | goto out; | |
8759 | } | |
8760 | ||
e35e4d28 | 8761 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
8762 | out: |
8763 | wdev_unlock(wdev); | |
8764 | return err; | |
8765 | } | |
8766 | ||
28946da7 JB |
8767 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
8768 | struct genl_info *info) | |
8769 | { | |
8770 | struct net_device *dev = info->user_ptr[1]; | |
8771 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8772 | ||
8773 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8774 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8775 | return -EINVAL; | |
8776 | ||
15e47304 | 8777 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
8778 | return -EBUSY; |
8779 | ||
15e47304 | 8780 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
8781 | return 0; |
8782 | } | |
8783 | ||
7f6cf311 JB |
8784 | static int nl80211_probe_client(struct sk_buff *skb, |
8785 | struct genl_info *info) | |
8786 | { | |
8787 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8788 | struct net_device *dev = info->user_ptr[1]; | |
8789 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8790 | struct sk_buff *msg; | |
8791 | void *hdr; | |
8792 | const u8 *addr; | |
8793 | u64 cookie; | |
8794 | int err; | |
8795 | ||
8796 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
8797 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
8798 | return -EOPNOTSUPP; | |
8799 | ||
8800 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8801 | return -EINVAL; | |
8802 | ||
8803 | if (!rdev->ops->probe_client) | |
8804 | return -EOPNOTSUPP; | |
8805 | ||
8806 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8807 | if (!msg) | |
8808 | return -ENOMEM; | |
8809 | ||
15e47304 | 8810 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 8811 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
8812 | if (!hdr) { |
8813 | err = -ENOBUFS; | |
7f6cf311 JB |
8814 | goto free_msg; |
8815 | } | |
8816 | ||
8817 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8818 | ||
e35e4d28 | 8819 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
8820 | if (err) |
8821 | goto free_msg; | |
8822 | ||
9360ffd1 DM |
8823 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8824 | goto nla_put_failure; | |
7f6cf311 JB |
8825 | |
8826 | genlmsg_end(msg, hdr); | |
8827 | ||
8828 | return genlmsg_reply(msg, info); | |
8829 | ||
8830 | nla_put_failure: | |
8831 | err = -ENOBUFS; | |
8832 | free_msg: | |
8833 | nlmsg_free(msg); | |
8834 | return err; | |
8835 | } | |
8836 | ||
5e760230 JB |
8837 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
8838 | { | |
8839 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
8840 | struct cfg80211_beacon_registration *reg, *nreg; |
8841 | int rv; | |
5e760230 JB |
8842 | |
8843 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
8844 | return -EOPNOTSUPP; | |
8845 | ||
37c73b5f BG |
8846 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
8847 | if (!nreg) | |
8848 | return -ENOMEM; | |
8849 | ||
8850 | /* First, check if already registered. */ | |
8851 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
8852 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
8853 | if (reg->nlportid == info->snd_portid) { | |
8854 | rv = -EALREADY; | |
8855 | goto out_err; | |
8856 | } | |
8857 | } | |
8858 | /* Add it to the list */ | |
8859 | nreg->nlportid = info->snd_portid; | |
8860 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 8861 | |
37c73b5f | 8862 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
8863 | |
8864 | return 0; | |
37c73b5f BG |
8865 | out_err: |
8866 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
8867 | kfree(nreg); | |
8868 | return rv; | |
5e760230 JB |
8869 | } |
8870 | ||
98104fde JB |
8871 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
8872 | { | |
8873 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8874 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8875 | int err; | |
8876 | ||
8877 | if (!rdev->ops->start_p2p_device) | |
8878 | return -EOPNOTSUPP; | |
8879 | ||
8880 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8881 | return -EOPNOTSUPP; | |
8882 | ||
8883 | if (wdev->p2p_started) | |
8884 | return 0; | |
8885 | ||
98104fde | 8886 | err = cfg80211_can_add_interface(rdev, wdev->iftype); |
98104fde JB |
8887 | if (err) |
8888 | return err; | |
8889 | ||
eeb126e9 | 8890 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
8891 | if (err) |
8892 | return err; | |
8893 | ||
8894 | wdev->p2p_started = true; | |
98104fde | 8895 | rdev->opencount++; |
98104fde JB |
8896 | |
8897 | return 0; | |
8898 | } | |
8899 | ||
8900 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
8901 | { | |
8902 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8903 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8904 | ||
8905 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
8906 | return -EOPNOTSUPP; | |
8907 | ||
8908 | if (!rdev->ops->stop_p2p_device) | |
8909 | return -EOPNOTSUPP; | |
8910 | ||
f9f47529 | 8911 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
8912 | |
8913 | return 0; | |
8914 | } | |
8915 | ||
3713b4e3 JB |
8916 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
8917 | struct genl_info *info) | |
8918 | { | |
8919 | void *hdr; | |
8920 | struct sk_buff *msg; | |
8921 | ||
8922 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
8923 | if (!msg) | |
8924 | return -ENOMEM; | |
8925 | ||
8926 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
8927 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
8928 | if (!hdr) | |
8929 | goto nla_put_failure; | |
8930 | ||
8931 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
8932 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
8933 | goto nla_put_failure; | |
8934 | ||
8935 | genlmsg_end(msg, hdr); | |
8936 | return genlmsg_reply(msg, info); | |
8937 | ||
8938 | nla_put_failure: | |
8939 | kfree_skb(msg); | |
8940 | return -ENOBUFS; | |
8941 | } | |
8942 | ||
355199e0 JM |
8943 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
8944 | { | |
8945 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8946 | struct cfg80211_update_ft_ies_params ft_params; | |
8947 | struct net_device *dev = info->user_ptr[1]; | |
8948 | ||
8949 | if (!rdev->ops->update_ft_ies) | |
8950 | return -EOPNOTSUPP; | |
8951 | ||
8952 | if (!info->attrs[NL80211_ATTR_MDID] || | |
8953 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8954 | return -EINVAL; | |
8955 | ||
8956 | memset(&ft_params, 0, sizeof(ft_params)); | |
8957 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
8958 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8959 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8960 | ||
8961 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
8962 | } | |
8963 | ||
5de17984 AS |
8964 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
8965 | struct genl_info *info) | |
8966 | { | |
8967 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8968 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8969 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
8970 | u16 duration; | |
8971 | int ret; | |
8972 | ||
8973 | if (!rdev->ops->crit_proto_start) | |
8974 | return -EOPNOTSUPP; | |
8975 | ||
8976 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
8977 | return -EINVAL; | |
8978 | ||
8979 | if (rdev->crit_proto_nlportid) | |
8980 | return -EBUSY; | |
8981 | ||
8982 | /* determine protocol if provided */ | |
8983 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
8984 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
8985 | ||
8986 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
8987 | return -EINVAL; | |
8988 | ||
8989 | /* timeout must be provided */ | |
8990 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
8991 | return -EINVAL; | |
8992 | ||
8993 | duration = | |
8994 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
8995 | ||
8996 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
8997 | return -ERANGE; | |
8998 | ||
8999 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
9000 | if (!ret) | |
9001 | rdev->crit_proto_nlportid = info->snd_portid; | |
9002 | ||
9003 | return ret; | |
9004 | } | |
9005 | ||
9006 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
9007 | struct genl_info *info) | |
9008 | { | |
9009 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9010 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9011 | ||
9012 | if (!rdev->ops->crit_proto_stop) | |
9013 | return -EOPNOTSUPP; | |
9014 | ||
9015 | if (rdev->crit_proto_nlportid) { | |
9016 | rdev->crit_proto_nlportid = 0; | |
9017 | rdev_crit_proto_stop(rdev, wdev); | |
9018 | } | |
9019 | return 0; | |
9020 | } | |
9021 | ||
ad7e718c JB |
9022 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
9023 | { | |
9024 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9025 | struct wireless_dev *wdev = | |
9026 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
9027 | int i, err; | |
9028 | u32 vid, subcmd; | |
9029 | ||
9030 | if (!rdev->wiphy.vendor_commands) | |
9031 | return -EOPNOTSUPP; | |
9032 | ||
9033 | if (IS_ERR(wdev)) { | |
9034 | err = PTR_ERR(wdev); | |
9035 | if (err != -EINVAL) | |
9036 | return err; | |
9037 | wdev = NULL; | |
9038 | } else if (wdev->wiphy != &rdev->wiphy) { | |
9039 | return -EINVAL; | |
9040 | } | |
9041 | ||
9042 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
9043 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
9044 | return -EINVAL; | |
9045 | ||
9046 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
9047 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
9048 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
9049 | const struct wiphy_vendor_command *vcmd; | |
9050 | void *data = NULL; | |
9051 | int len = 0; | |
9052 | ||
9053 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
9054 | ||
9055 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
9056 | continue; | |
9057 | ||
9058 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
9059 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
9060 | if (!wdev) | |
9061 | return -EINVAL; | |
9062 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
9063 | !wdev->netdev) | |
9064 | return -EINVAL; | |
9065 | ||
9066 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
9067 | if (wdev->netdev && | |
9068 | !netif_running(wdev->netdev)) | |
9069 | return -ENETDOWN; | |
9070 | if (!wdev->netdev && !wdev->p2p_started) | |
9071 | return -ENETDOWN; | |
9072 | } | |
9073 | } else { | |
9074 | wdev = NULL; | |
9075 | } | |
9076 | ||
9077 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
9078 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9079 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9080 | } | |
9081 | ||
9082 | rdev->cur_cmd_info = info; | |
9083 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
9084 | data, len); | |
9085 | rdev->cur_cmd_info = NULL; | |
9086 | return err; | |
9087 | } | |
9088 | ||
9089 | return -EOPNOTSUPP; | |
9090 | } | |
9091 | ||
9092 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, | |
9093 | enum nl80211_commands cmd, | |
9094 | enum nl80211_attrs attr, | |
9095 | int approxlen) | |
9096 | { | |
9097 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
9098 | ||
9099 | if (WARN_ON(!rdev->cur_cmd_info)) | |
9100 | return NULL; | |
9101 | ||
9102 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, | |
9103 | rdev->cur_cmd_info->snd_portid, | |
9104 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 9105 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
9106 | } |
9107 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
9108 | ||
9109 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
9110 | { | |
9111 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
9112 | void *hdr = ((void **)skb->cb)[1]; | |
9113 | struct nlattr *data = ((void **)skb->cb)[2]; | |
9114 | ||
9115 | if (WARN_ON(!rdev->cur_cmd_info)) { | |
9116 | kfree_skb(skb); | |
9117 | return -EINVAL; | |
9118 | } | |
9119 | ||
9120 | nla_nest_end(skb, data); | |
9121 | genlmsg_end(skb, hdr); | |
9122 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
9123 | } | |
9124 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
9125 | ||
9126 | ||
fa9ffc74 KP |
9127 | static int nl80211_set_qos_map(struct sk_buff *skb, |
9128 | struct genl_info *info) | |
9129 | { | |
9130 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9131 | struct cfg80211_qos_map *qos_map = NULL; | |
9132 | struct net_device *dev = info->user_ptr[1]; | |
9133 | u8 *pos, len, num_des, des_len, des; | |
9134 | int ret; | |
9135 | ||
9136 | if (!rdev->ops->set_qos_map) | |
9137 | return -EOPNOTSUPP; | |
9138 | ||
9139 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
9140 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9141 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9142 | ||
9143 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
9144 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
9145 | return -EINVAL; | |
9146 | ||
9147 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
9148 | if (!qos_map) | |
9149 | return -ENOMEM; | |
9150 | ||
9151 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
9152 | if (num_des) { | |
9153 | des_len = num_des * | |
9154 | sizeof(struct cfg80211_dscp_exception); | |
9155 | memcpy(qos_map->dscp_exception, pos, des_len); | |
9156 | qos_map->num_des = num_des; | |
9157 | for (des = 0; des < num_des; des++) { | |
9158 | if (qos_map->dscp_exception[des].up > 7) { | |
9159 | kfree(qos_map); | |
9160 | return -EINVAL; | |
9161 | } | |
9162 | } | |
9163 | pos += des_len; | |
9164 | } | |
9165 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
9166 | } | |
9167 | ||
9168 | wdev_lock(dev->ieee80211_ptr); | |
9169 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
9170 | if (!ret) | |
9171 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
9172 | wdev_unlock(dev->ieee80211_ptr); | |
9173 | ||
9174 | kfree(qos_map); | |
9175 | return ret; | |
9176 | } | |
9177 | ||
4c476991 JB |
9178 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
9179 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
9180 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
9181 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
9182 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
9183 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 9184 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 9185 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
9186 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
9187 | NL80211_FLAG_CHECK_NETDEV_UP) | |
4c476991 | 9188 | |
f84f771d | 9189 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
9190 | struct genl_info *info) |
9191 | { | |
9192 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 9193 | struct wireless_dev *wdev; |
4c476991 | 9194 | struct net_device *dev; |
4c476991 JB |
9195 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
9196 | ||
9197 | if (rtnl) | |
9198 | rtnl_lock(); | |
9199 | ||
9200 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 9201 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
9202 | if (IS_ERR(rdev)) { |
9203 | if (rtnl) | |
9204 | rtnl_unlock(); | |
9205 | return PTR_ERR(rdev); | |
9206 | } | |
9207 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
9208 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
9209 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
9210 | ASSERT_RTNL(); |
9211 | ||
89a54e48 JB |
9212 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
9213 | info->attrs); | |
9214 | if (IS_ERR(wdev)) { | |
4c476991 JB |
9215 | if (rtnl) |
9216 | rtnl_unlock(); | |
89a54e48 | 9217 | return PTR_ERR(wdev); |
4c476991 | 9218 | } |
89a54e48 | 9219 | |
89a54e48 JB |
9220 | dev = wdev->netdev; |
9221 | rdev = wiphy_to_dev(wdev->wiphy); | |
9222 | ||
1bf614ef JB |
9223 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
9224 | if (!dev) { | |
1bf614ef JB |
9225 | if (rtnl) |
9226 | rtnl_unlock(); | |
9227 | return -EINVAL; | |
9228 | } | |
9229 | ||
9230 | info->user_ptr[1] = dev; | |
9231 | } else { | |
9232 | info->user_ptr[1] = wdev; | |
41265714 | 9233 | } |
1bf614ef JB |
9234 | |
9235 | if (dev) { | |
9236 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
9237 | !netif_running(dev)) { | |
1bf614ef JB |
9238 | if (rtnl) |
9239 | rtnl_unlock(); | |
9240 | return -ENETDOWN; | |
9241 | } | |
9242 | ||
9243 | dev_hold(dev); | |
98104fde JB |
9244 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
9245 | if (!wdev->p2p_started) { | |
98104fde JB |
9246 | if (rtnl) |
9247 | rtnl_unlock(); | |
9248 | return -ENETDOWN; | |
9249 | } | |
41265714 | 9250 | } |
89a54e48 | 9251 | |
4c476991 | 9252 | info->user_ptr[0] = rdev; |
4c476991 JB |
9253 | } |
9254 | ||
9255 | return 0; | |
9256 | } | |
9257 | ||
f84f771d | 9258 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
9259 | struct genl_info *info) |
9260 | { | |
1bf614ef JB |
9261 | if (info->user_ptr[1]) { |
9262 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
9263 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9264 | ||
9265 | if (wdev->netdev) | |
9266 | dev_put(wdev->netdev); | |
9267 | } else { | |
9268 | dev_put(info->user_ptr[1]); | |
9269 | } | |
9270 | } | |
4c476991 JB |
9271 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
9272 | rtnl_unlock(); | |
9273 | } | |
9274 | ||
4534de83 | 9275 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
9276 | { |
9277 | .cmd = NL80211_CMD_GET_WIPHY, | |
9278 | .doit = nl80211_get_wiphy, | |
9279 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 9280 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
9281 | .policy = nl80211_policy, |
9282 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
9283 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9284 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9285 | }, |
9286 | { | |
9287 | .cmd = NL80211_CMD_SET_WIPHY, | |
9288 | .doit = nl80211_set_wiphy, | |
9289 | .policy = nl80211_policy, | |
9290 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 9291 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
9292 | }, |
9293 | { | |
9294 | .cmd = NL80211_CMD_GET_INTERFACE, | |
9295 | .doit = nl80211_get_interface, | |
9296 | .dumpit = nl80211_dump_interface, | |
9297 | .policy = nl80211_policy, | |
9298 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
9299 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
9300 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9301 | }, |
9302 | { | |
9303 | .cmd = NL80211_CMD_SET_INTERFACE, | |
9304 | .doit = nl80211_set_interface, | |
9305 | .policy = nl80211_policy, | |
9306 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9307 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9308 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9309 | }, |
9310 | { | |
9311 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
9312 | .doit = nl80211_new_interface, | |
9313 | .policy = nl80211_policy, | |
9314 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9315 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9316 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
9317 | }, |
9318 | { | |
9319 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
9320 | .doit = nl80211_del_interface, | |
9321 | .policy = nl80211_policy, | |
41ade00f | 9322 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 9323 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9324 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9325 | }, |
9326 | { | |
9327 | .cmd = NL80211_CMD_GET_KEY, | |
9328 | .doit = nl80211_get_key, | |
9329 | .policy = nl80211_policy, | |
9330 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9331 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9332 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9333 | }, |
9334 | { | |
9335 | .cmd = NL80211_CMD_SET_KEY, | |
9336 | .doit = nl80211_set_key, | |
9337 | .policy = nl80211_policy, | |
9338 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9339 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9340 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9341 | }, |
9342 | { | |
9343 | .cmd = NL80211_CMD_NEW_KEY, | |
9344 | .doit = nl80211_new_key, | |
9345 | .policy = nl80211_policy, | |
9346 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9347 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9348 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
9349 | }, |
9350 | { | |
9351 | .cmd = NL80211_CMD_DEL_KEY, | |
9352 | .doit = nl80211_del_key, | |
9353 | .policy = nl80211_policy, | |
55682965 | 9354 | .flags = GENL_ADMIN_PERM, |
41265714 | 9355 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9356 | NL80211_FLAG_NEED_RTNL, |
55682965 | 9357 | }, |
ed1b6cc7 JB |
9358 | { |
9359 | .cmd = NL80211_CMD_SET_BEACON, | |
9360 | .policy = nl80211_policy, | |
9361 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9362 | .doit = nl80211_set_beacon, |
2b5f8b0b | 9363 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9364 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9365 | }, |
9366 | { | |
8860020e | 9367 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
9368 | .policy = nl80211_policy, |
9369 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9370 | .doit = nl80211_start_ap, |
2b5f8b0b | 9371 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9372 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
9373 | }, |
9374 | { | |
8860020e | 9375 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
9376 | .policy = nl80211_policy, |
9377 | .flags = GENL_ADMIN_PERM, | |
8860020e | 9378 | .doit = nl80211_stop_ap, |
2b5f8b0b | 9379 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9380 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 9381 | }, |
5727ef1b JB |
9382 | { |
9383 | .cmd = NL80211_CMD_GET_STATION, | |
9384 | .doit = nl80211_get_station, | |
2ec600d6 | 9385 | .dumpit = nl80211_dump_station, |
5727ef1b | 9386 | .policy = nl80211_policy, |
4c476991 JB |
9387 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9388 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
9389 | }, |
9390 | { | |
9391 | .cmd = NL80211_CMD_SET_STATION, | |
9392 | .doit = nl80211_set_station, | |
9393 | .policy = nl80211_policy, | |
9394 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9395 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9396 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9397 | }, |
9398 | { | |
9399 | .cmd = NL80211_CMD_NEW_STATION, | |
9400 | .doit = nl80211_new_station, | |
9401 | .policy = nl80211_policy, | |
9402 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9403 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9404 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
9405 | }, |
9406 | { | |
9407 | .cmd = NL80211_CMD_DEL_STATION, | |
9408 | .doit = nl80211_del_station, | |
9409 | .policy = nl80211_policy, | |
2ec600d6 | 9410 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9411 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9412 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9413 | }, |
9414 | { | |
9415 | .cmd = NL80211_CMD_GET_MPATH, | |
9416 | .doit = nl80211_get_mpath, | |
9417 | .dumpit = nl80211_dump_mpath, | |
9418 | .policy = nl80211_policy, | |
9419 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9420 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9421 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9422 | }, |
9423 | { | |
9424 | .cmd = NL80211_CMD_SET_MPATH, | |
9425 | .doit = nl80211_set_mpath, | |
9426 | .policy = nl80211_policy, | |
9427 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9428 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9429 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9430 | }, |
9431 | { | |
9432 | .cmd = NL80211_CMD_NEW_MPATH, | |
9433 | .doit = nl80211_new_mpath, | |
9434 | .policy = nl80211_policy, | |
9435 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9436 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9437 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
9438 | }, |
9439 | { | |
9440 | .cmd = NL80211_CMD_DEL_MPATH, | |
9441 | .doit = nl80211_del_mpath, | |
9442 | .policy = nl80211_policy, | |
9f1ba906 | 9443 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9444 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9445 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
9446 | }, |
9447 | { | |
9448 | .cmd = NL80211_CMD_SET_BSS, | |
9449 | .doit = nl80211_set_bss, | |
9450 | .policy = nl80211_policy, | |
b2e1b302 | 9451 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 9452 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9453 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 9454 | }, |
f130347c LR |
9455 | { |
9456 | .cmd = NL80211_CMD_GET_REG, | |
9457 | .doit = nl80211_get_reg, | |
9458 | .policy = nl80211_policy, | |
5fe231e8 | 9459 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
9460 | /* can be retrieved by unprivileged users */ |
9461 | }, | |
b2e1b302 LR |
9462 | { |
9463 | .cmd = NL80211_CMD_SET_REG, | |
9464 | .doit = nl80211_set_reg, | |
9465 | .policy = nl80211_policy, | |
9466 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 9467 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
9468 | }, |
9469 | { | |
9470 | .cmd = NL80211_CMD_REQ_SET_REG, | |
9471 | .doit = nl80211_req_set_reg, | |
9472 | .policy = nl80211_policy, | |
93da9cc1 | 9473 | .flags = GENL_ADMIN_PERM, |
9474 | }, | |
9475 | { | |
24bdd9f4 JC |
9476 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
9477 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 9478 | .policy = nl80211_policy, |
9479 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 9480 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9481 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 9482 | }, |
9483 | { | |
24bdd9f4 JC |
9484 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
9485 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 9486 | .policy = nl80211_policy, |
9aed3cc1 | 9487 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 9488 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9489 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 9490 | }, |
2a519311 JB |
9491 | { |
9492 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
9493 | .doit = nl80211_trigger_scan, | |
9494 | .policy = nl80211_policy, | |
9495 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 9496 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9497 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
9498 | }, |
9499 | { | |
9500 | .cmd = NL80211_CMD_GET_SCAN, | |
9501 | .policy = nl80211_policy, | |
9502 | .dumpit = nl80211_dump_scan, | |
9503 | }, | |
807f8a8c LC |
9504 | { |
9505 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
9506 | .doit = nl80211_start_sched_scan, | |
9507 | .policy = nl80211_policy, | |
9508 | .flags = GENL_ADMIN_PERM, | |
9509 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9510 | NL80211_FLAG_NEED_RTNL, | |
9511 | }, | |
9512 | { | |
9513 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
9514 | .doit = nl80211_stop_sched_scan, | |
9515 | .policy = nl80211_policy, | |
9516 | .flags = GENL_ADMIN_PERM, | |
9517 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9518 | NL80211_FLAG_NEED_RTNL, | |
9519 | }, | |
636a5d36 JM |
9520 | { |
9521 | .cmd = NL80211_CMD_AUTHENTICATE, | |
9522 | .doit = nl80211_authenticate, | |
9523 | .policy = nl80211_policy, | |
9524 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9525 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9526 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9527 | }, |
9528 | { | |
9529 | .cmd = NL80211_CMD_ASSOCIATE, | |
9530 | .doit = nl80211_associate, | |
9531 | .policy = nl80211_policy, | |
9532 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9533 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9534 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9535 | }, |
9536 | { | |
9537 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
9538 | .doit = nl80211_deauthenticate, | |
9539 | .policy = nl80211_policy, | |
9540 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9541 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9542 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
9543 | }, |
9544 | { | |
9545 | .cmd = NL80211_CMD_DISASSOCIATE, | |
9546 | .doit = nl80211_disassociate, | |
9547 | .policy = nl80211_policy, | |
9548 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9549 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9550 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 9551 | }, |
04a773ad JB |
9552 | { |
9553 | .cmd = NL80211_CMD_JOIN_IBSS, | |
9554 | .doit = nl80211_join_ibss, | |
9555 | .policy = nl80211_policy, | |
9556 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9557 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9558 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
9559 | }, |
9560 | { | |
9561 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
9562 | .doit = nl80211_leave_ibss, | |
9563 | .policy = nl80211_policy, | |
9564 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9565 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9566 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 9567 | }, |
aff89a9b JB |
9568 | #ifdef CONFIG_NL80211_TESTMODE |
9569 | { | |
9570 | .cmd = NL80211_CMD_TESTMODE, | |
9571 | .doit = nl80211_testmode_do, | |
71063f0e | 9572 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
9573 | .policy = nl80211_policy, |
9574 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9575 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9576 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
9577 | }, |
9578 | #endif | |
b23aa676 SO |
9579 | { |
9580 | .cmd = NL80211_CMD_CONNECT, | |
9581 | .doit = nl80211_connect, | |
9582 | .policy = nl80211_policy, | |
9583 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9584 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9585 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
9586 | }, |
9587 | { | |
9588 | .cmd = NL80211_CMD_DISCONNECT, | |
9589 | .doit = nl80211_disconnect, | |
9590 | .policy = nl80211_policy, | |
9591 | .flags = GENL_ADMIN_PERM, | |
41265714 | 9592 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9593 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 9594 | }, |
463d0183 JB |
9595 | { |
9596 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
9597 | .doit = nl80211_wiphy_netns, | |
9598 | .policy = nl80211_policy, | |
9599 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9600 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
9601 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 9602 | }, |
61fa713c HS |
9603 | { |
9604 | .cmd = NL80211_CMD_GET_SURVEY, | |
9605 | .policy = nl80211_policy, | |
9606 | .dumpit = nl80211_dump_survey, | |
9607 | }, | |
67fbb16b SO |
9608 | { |
9609 | .cmd = NL80211_CMD_SET_PMKSA, | |
9610 | .doit = nl80211_setdel_pmksa, | |
9611 | .policy = nl80211_policy, | |
9612 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9613 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9614 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9615 | }, |
9616 | { | |
9617 | .cmd = NL80211_CMD_DEL_PMKSA, | |
9618 | .doit = nl80211_setdel_pmksa, | |
9619 | .policy = nl80211_policy, | |
9620 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9621 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9622 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
9623 | }, |
9624 | { | |
9625 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
9626 | .doit = nl80211_flush_pmksa, | |
9627 | .policy = nl80211_policy, | |
9628 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9629 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 9630 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 9631 | }, |
9588bbd5 JM |
9632 | { |
9633 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
9634 | .doit = nl80211_remain_on_channel, | |
9635 | .policy = nl80211_policy, | |
9636 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9637 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9638 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
9639 | }, |
9640 | { | |
9641 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
9642 | .doit = nl80211_cancel_remain_on_channel, | |
9643 | .policy = nl80211_policy, | |
9644 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9645 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9646 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 9647 | }, |
13ae75b1 JM |
9648 | { |
9649 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
9650 | .doit = nl80211_set_tx_bitrate_mask, | |
9651 | .policy = nl80211_policy, | |
9652 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9653 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9654 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 9655 | }, |
026331c4 | 9656 | { |
2e161f78 JB |
9657 | .cmd = NL80211_CMD_REGISTER_FRAME, |
9658 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
9659 | .policy = nl80211_policy, |
9660 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 9661 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 9662 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
9663 | }, |
9664 | { | |
2e161f78 JB |
9665 | .cmd = NL80211_CMD_FRAME, |
9666 | .doit = nl80211_tx_mgmt, | |
026331c4 | 9667 | .policy = nl80211_policy, |
f7ca38df | 9668 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9669 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
9670 | NL80211_FLAG_NEED_RTNL, |
9671 | }, | |
9672 | { | |
9673 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
9674 | .doit = nl80211_tx_mgmt_cancel_wait, | |
9675 | .policy = nl80211_policy, | |
026331c4 | 9676 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 9677 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 9678 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 9679 | }, |
ffb9eb3d KV |
9680 | { |
9681 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
9682 | .doit = nl80211_set_power_save, | |
9683 | .policy = nl80211_policy, | |
9684 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9685 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9686 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
9687 | }, |
9688 | { | |
9689 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
9690 | .doit = nl80211_get_power_save, | |
9691 | .policy = nl80211_policy, | |
9692 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
9693 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9694 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 9695 | }, |
d6dc1a38 JO |
9696 | { |
9697 | .cmd = NL80211_CMD_SET_CQM, | |
9698 | .doit = nl80211_set_cqm, | |
9699 | .policy = nl80211_policy, | |
9700 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9701 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9702 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 9703 | }, |
f444de05 JB |
9704 | { |
9705 | .cmd = NL80211_CMD_SET_CHANNEL, | |
9706 | .doit = nl80211_set_channel, | |
9707 | .policy = nl80211_policy, | |
9708 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
9709 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9710 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 9711 | }, |
e8347eba BJ |
9712 | { |
9713 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
9714 | .doit = nl80211_set_wds_peer, | |
9715 | .policy = nl80211_policy, | |
9716 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
9717 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
9718 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 9719 | }, |
29cbe68c JB |
9720 | { |
9721 | .cmd = NL80211_CMD_JOIN_MESH, | |
9722 | .doit = nl80211_join_mesh, | |
9723 | .policy = nl80211_policy, | |
9724 | .flags = GENL_ADMIN_PERM, | |
9725 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9726 | NL80211_FLAG_NEED_RTNL, | |
9727 | }, | |
9728 | { | |
9729 | .cmd = NL80211_CMD_LEAVE_MESH, | |
9730 | .doit = nl80211_leave_mesh, | |
9731 | .policy = nl80211_policy, | |
9732 | .flags = GENL_ADMIN_PERM, | |
9733 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9734 | NL80211_FLAG_NEED_RTNL, | |
9735 | }, | |
dfb89c56 | 9736 | #ifdef CONFIG_PM |
ff1b6e69 JB |
9737 | { |
9738 | .cmd = NL80211_CMD_GET_WOWLAN, | |
9739 | .doit = nl80211_get_wowlan, | |
9740 | .policy = nl80211_policy, | |
9741 | /* can be retrieved by unprivileged users */ | |
9742 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9743 | NL80211_FLAG_NEED_RTNL, | |
9744 | }, | |
9745 | { | |
9746 | .cmd = NL80211_CMD_SET_WOWLAN, | |
9747 | .doit = nl80211_set_wowlan, | |
9748 | .policy = nl80211_policy, | |
9749 | .flags = GENL_ADMIN_PERM, | |
9750 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9751 | NL80211_FLAG_NEED_RTNL, | |
9752 | }, | |
dfb89c56 | 9753 | #endif |
e5497d76 JB |
9754 | { |
9755 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
9756 | .doit = nl80211_set_rekey_data, | |
9757 | .policy = nl80211_policy, | |
9758 | .flags = GENL_ADMIN_PERM, | |
9759 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9760 | NL80211_FLAG_NEED_RTNL, | |
9761 | }, | |
109086ce AN |
9762 | { |
9763 | .cmd = NL80211_CMD_TDLS_MGMT, | |
9764 | .doit = nl80211_tdls_mgmt, | |
9765 | .policy = nl80211_policy, | |
9766 | .flags = GENL_ADMIN_PERM, | |
9767 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9768 | NL80211_FLAG_NEED_RTNL, | |
9769 | }, | |
9770 | { | |
9771 | .cmd = NL80211_CMD_TDLS_OPER, | |
9772 | .doit = nl80211_tdls_oper, | |
9773 | .policy = nl80211_policy, | |
9774 | .flags = GENL_ADMIN_PERM, | |
9775 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9776 | NL80211_FLAG_NEED_RTNL, | |
9777 | }, | |
28946da7 JB |
9778 | { |
9779 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
9780 | .doit = nl80211_register_unexpected_frame, | |
9781 | .policy = nl80211_policy, | |
9782 | .flags = GENL_ADMIN_PERM, | |
9783 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9784 | NL80211_FLAG_NEED_RTNL, | |
9785 | }, | |
7f6cf311 JB |
9786 | { |
9787 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
9788 | .doit = nl80211_probe_client, | |
9789 | .policy = nl80211_policy, | |
9790 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 9791 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
9792 | NL80211_FLAG_NEED_RTNL, |
9793 | }, | |
5e760230 JB |
9794 | { |
9795 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
9796 | .doit = nl80211_register_beacons, | |
9797 | .policy = nl80211_policy, | |
9798 | .flags = GENL_ADMIN_PERM, | |
9799 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9800 | NL80211_FLAG_NEED_RTNL, | |
9801 | }, | |
1d9d9213 SW |
9802 | { |
9803 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
9804 | .doit = nl80211_set_noack_map, | |
9805 | .policy = nl80211_policy, | |
9806 | .flags = GENL_ADMIN_PERM, | |
9807 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9808 | NL80211_FLAG_NEED_RTNL, | |
9809 | }, | |
98104fde JB |
9810 | { |
9811 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
9812 | .doit = nl80211_start_p2p_device, | |
9813 | .policy = nl80211_policy, | |
9814 | .flags = GENL_ADMIN_PERM, | |
9815 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
9816 | NL80211_FLAG_NEED_RTNL, | |
9817 | }, | |
9818 | { | |
9819 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
9820 | .doit = nl80211_stop_p2p_device, | |
9821 | .policy = nl80211_policy, | |
9822 | .flags = GENL_ADMIN_PERM, | |
9823 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9824 | NL80211_FLAG_NEED_RTNL, | |
9825 | }, | |
f4e583c8 AQ |
9826 | { |
9827 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
9828 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
9829 | .policy = nl80211_policy, |
9830 | .flags = GENL_ADMIN_PERM, | |
9831 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9832 | NL80211_FLAG_NEED_RTNL, | |
9833 | }, | |
9834 | { | |
9835 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
9836 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
9837 | .policy = nl80211_policy, |
9838 | .flags = GENL_ADMIN_PERM, | |
9839 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
9840 | NL80211_FLAG_NEED_RTNL, | |
9841 | }, | |
04f39047 SW |
9842 | { |
9843 | .cmd = NL80211_CMD_RADAR_DETECT, | |
9844 | .doit = nl80211_start_radar_detection, | |
9845 | .policy = nl80211_policy, | |
9846 | .flags = GENL_ADMIN_PERM, | |
9847 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9848 | NL80211_FLAG_NEED_RTNL, | |
9849 | }, | |
3713b4e3 JB |
9850 | { |
9851 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
9852 | .doit = nl80211_get_protocol_features, | |
9853 | .policy = nl80211_policy, | |
9854 | }, | |
355199e0 JM |
9855 | { |
9856 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
9857 | .doit = nl80211_update_ft_ies, | |
9858 | .policy = nl80211_policy, | |
9859 | .flags = GENL_ADMIN_PERM, | |
9860 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9861 | NL80211_FLAG_NEED_RTNL, | |
9862 | }, | |
5de17984 AS |
9863 | { |
9864 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
9865 | .doit = nl80211_crit_protocol_start, | |
9866 | .policy = nl80211_policy, | |
9867 | .flags = GENL_ADMIN_PERM, | |
9868 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9869 | NL80211_FLAG_NEED_RTNL, | |
9870 | }, | |
9871 | { | |
9872 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
9873 | .doit = nl80211_crit_protocol_stop, | |
9874 | .policy = nl80211_policy, | |
9875 | .flags = GENL_ADMIN_PERM, | |
9876 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
9877 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
9878 | }, |
9879 | { | |
9880 | .cmd = NL80211_CMD_GET_COALESCE, | |
9881 | .doit = nl80211_get_coalesce, | |
9882 | .policy = nl80211_policy, | |
9883 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9884 | NL80211_FLAG_NEED_RTNL, | |
9885 | }, | |
9886 | { | |
9887 | .cmd = NL80211_CMD_SET_COALESCE, | |
9888 | .doit = nl80211_set_coalesce, | |
9889 | .policy = nl80211_policy, | |
9890 | .flags = GENL_ADMIN_PERM, | |
9891 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9892 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
9893 | }, |
9894 | { | |
9895 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
9896 | .doit = nl80211_channel_switch, | |
9897 | .policy = nl80211_policy, | |
9898 | .flags = GENL_ADMIN_PERM, | |
9899 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9900 | NL80211_FLAG_NEED_RTNL, | |
9901 | }, | |
ad7e718c JB |
9902 | { |
9903 | .cmd = NL80211_CMD_VENDOR, | |
9904 | .doit = nl80211_vendor_cmd, | |
9905 | .policy = nl80211_policy, | |
9906 | .flags = GENL_ADMIN_PERM, | |
9907 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
9908 | NL80211_FLAG_NEED_RTNL, | |
9909 | }, | |
fa9ffc74 KP |
9910 | { |
9911 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
9912 | .doit = nl80211_set_qos_map, | |
9913 | .policy = nl80211_policy, | |
9914 | .flags = GENL_ADMIN_PERM, | |
9915 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
9916 | NL80211_FLAG_NEED_RTNL, | |
9917 | }, | |
55682965 | 9918 | }; |
9588bbd5 | 9919 | |
55682965 JB |
9920 | /* notification functions */ |
9921 | ||
9922 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
9923 | { | |
9924 | struct sk_buff *msg; | |
86e8cf98 | 9925 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 9926 | |
fd2120ca | 9927 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
9928 | if (!msg) |
9929 | return; | |
9930 | ||
86e8cf98 | 9931 | if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
9932 | nlmsg_free(msg); |
9933 | return; | |
9934 | } | |
9935 | ||
68eb5503 | 9936 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 9937 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
9938 | } |
9939 | ||
362a415d JB |
9940 | static int nl80211_add_scan_req(struct sk_buff *msg, |
9941 | struct cfg80211_registered_device *rdev) | |
9942 | { | |
9943 | struct cfg80211_scan_request *req = rdev->scan_req; | |
9944 | struct nlattr *nest; | |
9945 | int i; | |
9946 | ||
9947 | if (WARN_ON(!req)) | |
9948 | return 0; | |
9949 | ||
9950 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
9951 | if (!nest) | |
9952 | goto nla_put_failure; | |
9360ffd1 DM |
9953 | for (i = 0; i < req->n_ssids; i++) { |
9954 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
9955 | goto nla_put_failure; | |
9956 | } | |
362a415d JB |
9957 | nla_nest_end(msg, nest); |
9958 | ||
9959 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
9960 | if (!nest) | |
9961 | goto nla_put_failure; | |
9360ffd1 DM |
9962 | for (i = 0; i < req->n_channels; i++) { |
9963 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9964 | goto nla_put_failure; | |
9965 | } | |
362a415d JB |
9966 | nla_nest_end(msg, nest); |
9967 | ||
9360ffd1 DM |
9968 | if (req->ie && |
9969 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
9970 | goto nla_put_failure; | |
362a415d | 9971 | |
ae917c9f JB |
9972 | if (req->flags && |
9973 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
9974 | goto nla_put_failure; | |
ed473771 | 9975 | |
362a415d JB |
9976 | return 0; |
9977 | nla_put_failure: | |
9978 | return -ENOBUFS; | |
9979 | } | |
9980 | ||
a538e2d5 JB |
9981 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
9982 | struct cfg80211_registered_device *rdev, | |
fd014284 | 9983 | struct wireless_dev *wdev, |
15e47304 | 9984 | u32 portid, u32 seq, int flags, |
a538e2d5 | 9985 | u32 cmd) |
2a519311 JB |
9986 | { |
9987 | void *hdr; | |
9988 | ||
15e47304 | 9989 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
9990 | if (!hdr) |
9991 | return -1; | |
9992 | ||
9360ffd1 | 9993 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
9994 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
9995 | wdev->netdev->ifindex)) || | |
9996 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 9997 | goto nla_put_failure; |
2a519311 | 9998 | |
362a415d JB |
9999 | /* ignore errors and send incomplete event anyway */ |
10000 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
10001 | |
10002 | return genlmsg_end(msg, hdr); | |
10003 | ||
10004 | nla_put_failure: | |
10005 | genlmsg_cancel(msg, hdr); | |
10006 | return -EMSGSIZE; | |
10007 | } | |
10008 | ||
807f8a8c LC |
10009 | static int |
10010 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
10011 | struct cfg80211_registered_device *rdev, | |
10012 | struct net_device *netdev, | |
15e47304 | 10013 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
10014 | { |
10015 | void *hdr; | |
10016 | ||
15e47304 | 10017 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
10018 | if (!hdr) |
10019 | return -1; | |
10020 | ||
9360ffd1 DM |
10021 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10022 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
10023 | goto nla_put_failure; | |
807f8a8c LC |
10024 | |
10025 | return genlmsg_end(msg, hdr); | |
10026 | ||
10027 | nla_put_failure: | |
10028 | genlmsg_cancel(msg, hdr); | |
10029 | return -EMSGSIZE; | |
10030 | } | |
10031 | ||
a538e2d5 | 10032 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 10033 | struct wireless_dev *wdev) |
a538e2d5 JB |
10034 | { |
10035 | struct sk_buff *msg; | |
10036 | ||
58050fce | 10037 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
10038 | if (!msg) |
10039 | return; | |
10040 | ||
fd014284 | 10041 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
10042 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
10043 | nlmsg_free(msg); | |
10044 | return; | |
10045 | } | |
10046 | ||
68eb5503 | 10047 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10048 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
10049 | } |
10050 | ||
2a519311 | 10051 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
fd014284 | 10052 | struct wireless_dev *wdev) |
2a519311 JB |
10053 | { |
10054 | struct sk_buff *msg; | |
10055 | ||
fd2120ca | 10056 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
10057 | if (!msg) |
10058 | return; | |
10059 | ||
fd014284 | 10060 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 10061 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { |
2a519311 JB |
10062 | nlmsg_free(msg); |
10063 | return; | |
10064 | } | |
10065 | ||
68eb5503 | 10066 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10067 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
10068 | } |
10069 | ||
10070 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, | |
fd014284 | 10071 | struct wireless_dev *wdev) |
2a519311 JB |
10072 | { |
10073 | struct sk_buff *msg; | |
10074 | ||
fd2120ca | 10075 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 JB |
10076 | if (!msg) |
10077 | return; | |
10078 | ||
fd014284 | 10079 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 | 10080 | NL80211_CMD_SCAN_ABORTED) < 0) { |
2a519311 JB |
10081 | nlmsg_free(msg); |
10082 | return; | |
10083 | } | |
10084 | ||
68eb5503 | 10085 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10086 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
10087 | } |
10088 | ||
807f8a8c LC |
10089 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
10090 | struct net_device *netdev) | |
10091 | { | |
10092 | struct sk_buff *msg; | |
10093 | ||
10094 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10095 | if (!msg) | |
10096 | return; | |
10097 | ||
10098 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
10099 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
10100 | nlmsg_free(msg); | |
10101 | return; | |
10102 | } | |
10103 | ||
68eb5503 | 10104 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10105 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10106 | } |
10107 | ||
10108 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
10109 | struct net_device *netdev, u32 cmd) | |
10110 | { | |
10111 | struct sk_buff *msg; | |
10112 | ||
58050fce | 10113 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
10114 | if (!msg) |
10115 | return; | |
10116 | ||
10117 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
10118 | nlmsg_free(msg); | |
10119 | return; | |
10120 | } | |
10121 | ||
68eb5503 | 10122 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10123 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10124 | } |
10125 | ||
73d54c9e LR |
10126 | /* |
10127 | * This can happen on global regulatory changes or device specific settings | |
10128 | * based on custom world regulatory domains. | |
10129 | */ | |
10130 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
10131 | { | |
10132 | struct sk_buff *msg; | |
10133 | void *hdr; | |
10134 | ||
fd2120ca | 10135 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
10136 | if (!msg) |
10137 | return; | |
10138 | ||
10139 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
10140 | if (!hdr) { | |
10141 | nlmsg_free(msg); | |
10142 | return; | |
10143 | } | |
10144 | ||
10145 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
10146 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
10147 | goto nla_put_failure; | |
10148 | ||
10149 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
10150 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10151 | NL80211_REGDOM_TYPE_WORLD)) | |
10152 | goto nla_put_failure; | |
10153 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
10154 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10155 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
10156 | goto nla_put_failure; | |
10157 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
10158 | request->intersect) { | |
10159 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10160 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
10161 | goto nla_put_failure; | |
10162 | } else { | |
10163 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10164 | NL80211_REGDOM_TYPE_COUNTRY) || | |
10165 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
10166 | request->alpha2)) | |
10167 | goto nla_put_failure; | |
10168 | } | |
10169 | ||
f4173766 | 10170 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
10171 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
10172 | goto nla_put_failure; | |
73d54c9e | 10173 | |
3b7b72ee | 10174 | genlmsg_end(msg, hdr); |
73d54c9e | 10175 | |
bc43b28c | 10176 | rcu_read_lock(); |
68eb5503 | 10177 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10178 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 10179 | rcu_read_unlock(); |
73d54c9e LR |
10180 | |
10181 | return; | |
10182 | ||
10183 | nla_put_failure: | |
10184 | genlmsg_cancel(msg, hdr); | |
10185 | nlmsg_free(msg); | |
10186 | } | |
10187 | ||
6039f6d2 JM |
10188 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
10189 | struct net_device *netdev, | |
10190 | const u8 *buf, size_t len, | |
e6d6e342 | 10191 | enum nl80211_commands cmd, gfp_t gfp) |
6039f6d2 JM |
10192 | { |
10193 | struct sk_buff *msg; | |
10194 | void *hdr; | |
10195 | ||
e6d6e342 | 10196 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
10197 | if (!msg) |
10198 | return; | |
10199 | ||
10200 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10201 | if (!hdr) { | |
10202 | nlmsg_free(msg); | |
10203 | return; | |
10204 | } | |
10205 | ||
9360ffd1 DM |
10206 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10207 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10208 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
10209 | goto nla_put_failure; | |
6039f6d2 | 10210 | |
3b7b72ee | 10211 | genlmsg_end(msg, hdr); |
6039f6d2 | 10212 | |
68eb5503 | 10213 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10214 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
10215 | return; |
10216 | ||
10217 | nla_put_failure: | |
10218 | genlmsg_cancel(msg, hdr); | |
10219 | nlmsg_free(msg); | |
10220 | } | |
10221 | ||
10222 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10223 | struct net_device *netdev, const u8 *buf, |
10224 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
10225 | { |
10226 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10227 | NL80211_CMD_AUTHENTICATE, gfp); |
6039f6d2 JM |
10228 | } |
10229 | ||
10230 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
10231 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 10232 | size_t len, gfp_t gfp) |
6039f6d2 | 10233 | { |
e6d6e342 JB |
10234 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
10235 | NL80211_CMD_ASSOCIATE, gfp); | |
6039f6d2 JM |
10236 | } |
10237 | ||
53b46b84 | 10238 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
10239 | struct net_device *netdev, const u8 *buf, |
10240 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
10241 | { |
10242 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10243 | NL80211_CMD_DEAUTHENTICATE, gfp); |
6039f6d2 JM |
10244 | } |
10245 | ||
53b46b84 JM |
10246 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
10247 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 10248 | size_t len, gfp_t gfp) |
6039f6d2 JM |
10249 | { |
10250 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
e6d6e342 | 10251 | NL80211_CMD_DISASSOCIATE, gfp); |
6039f6d2 JM |
10252 | } |
10253 | ||
6ff57cf8 JB |
10254 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
10255 | size_t len) | |
cf4e594e | 10256 | { |
947add36 JB |
10257 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10258 | struct wiphy *wiphy = wdev->wiphy; | |
10259 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
6ff57cf8 JB |
10260 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
10261 | u32 cmd; | |
947add36 | 10262 | |
6ff57cf8 JB |
10263 | if (WARN_ON(len < 2)) |
10264 | return; | |
cf4e594e | 10265 | |
6ff57cf8 JB |
10266 | if (ieee80211_is_deauth(mgmt->frame_control)) |
10267 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
10268 | else | |
10269 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 10270 | |
6ff57cf8 JB |
10271 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
10272 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC); | |
cf4e594e | 10273 | } |
6ff57cf8 | 10274 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 10275 | |
1b06bb40 LR |
10276 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
10277 | struct net_device *netdev, int cmd, | |
e6d6e342 | 10278 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
10279 | { |
10280 | struct sk_buff *msg; | |
10281 | void *hdr; | |
10282 | ||
e6d6e342 | 10283 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
10284 | if (!msg) |
10285 | return; | |
10286 | ||
10287 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10288 | if (!hdr) { | |
10289 | nlmsg_free(msg); | |
10290 | return; | |
10291 | } | |
10292 | ||
9360ffd1 DM |
10293 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10294 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10295 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
10296 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10297 | goto nla_put_failure; | |
1965c853 | 10298 | |
3b7b72ee | 10299 | genlmsg_end(msg, hdr); |
1965c853 | 10300 | |
68eb5503 | 10301 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10302 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
10303 | return; |
10304 | ||
10305 | nla_put_failure: | |
10306 | genlmsg_cancel(msg, hdr); | |
10307 | nlmsg_free(msg); | |
10308 | } | |
10309 | ||
10310 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10311 | struct net_device *netdev, const u8 *addr, |
10312 | gfp_t gfp) | |
1965c853 JM |
10313 | { |
10314 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 10315 | addr, gfp); |
1965c853 JM |
10316 | } |
10317 | ||
10318 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
10319 | struct net_device *netdev, const u8 *addr, |
10320 | gfp_t gfp) | |
1965c853 | 10321 | { |
e6d6e342 JB |
10322 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
10323 | addr, gfp); | |
1965c853 JM |
10324 | } |
10325 | ||
b23aa676 SO |
10326 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
10327 | struct net_device *netdev, const u8 *bssid, | |
10328 | const u8 *req_ie, size_t req_ie_len, | |
10329 | const u8 *resp_ie, size_t resp_ie_len, | |
10330 | u16 status, gfp_t gfp) | |
10331 | { | |
10332 | struct sk_buff *msg; | |
10333 | void *hdr; | |
10334 | ||
58050fce | 10335 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10336 | if (!msg) |
10337 | return; | |
10338 | ||
10339 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
10340 | if (!hdr) { | |
10341 | nlmsg_free(msg); | |
10342 | return; | |
10343 | } | |
10344 | ||
9360ffd1 DM |
10345 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10346 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10347 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
10348 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
10349 | (req_ie && | |
10350 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10351 | (resp_ie && | |
10352 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10353 | goto nla_put_failure; | |
b23aa676 | 10354 | |
3b7b72ee | 10355 | genlmsg_end(msg, hdr); |
b23aa676 | 10356 | |
68eb5503 | 10357 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10358 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10359 | return; |
10360 | ||
10361 | nla_put_failure: | |
10362 | genlmsg_cancel(msg, hdr); | |
10363 | nlmsg_free(msg); | |
10364 | ||
10365 | } | |
10366 | ||
10367 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
10368 | struct net_device *netdev, const u8 *bssid, | |
10369 | const u8 *req_ie, size_t req_ie_len, | |
10370 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
10371 | { | |
10372 | struct sk_buff *msg; | |
10373 | void *hdr; | |
10374 | ||
58050fce | 10375 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
10376 | if (!msg) |
10377 | return; | |
10378 | ||
10379 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
10380 | if (!hdr) { | |
10381 | nlmsg_free(msg); | |
10382 | return; | |
10383 | } | |
10384 | ||
9360ffd1 DM |
10385 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10386 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10387 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
10388 | (req_ie && | |
10389 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
10390 | (resp_ie && | |
10391 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
10392 | goto nla_put_failure; | |
b23aa676 | 10393 | |
3b7b72ee | 10394 | genlmsg_end(msg, hdr); |
b23aa676 | 10395 | |
68eb5503 | 10396 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10397 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
10398 | return; |
10399 | ||
10400 | nla_put_failure: | |
10401 | genlmsg_cancel(msg, hdr); | |
10402 | nlmsg_free(msg); | |
10403 | ||
10404 | } | |
10405 | ||
10406 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
10407 | struct net_device *netdev, u16 reason, | |
667503dd | 10408 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
10409 | { |
10410 | struct sk_buff *msg; | |
10411 | void *hdr; | |
10412 | ||
58050fce | 10413 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
10414 | if (!msg) |
10415 | return; | |
10416 | ||
10417 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
10418 | if (!hdr) { | |
10419 | nlmsg_free(msg); | |
10420 | return; | |
10421 | } | |
10422 | ||
9360ffd1 DM |
10423 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10424 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10425 | (from_ap && reason && | |
10426 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
10427 | (from_ap && | |
10428 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
10429 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
10430 | goto nla_put_failure; | |
b23aa676 | 10431 | |
3b7b72ee | 10432 | genlmsg_end(msg, hdr); |
b23aa676 | 10433 | |
68eb5503 | 10434 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10435 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
10436 | return; |
10437 | ||
10438 | nla_put_failure: | |
10439 | genlmsg_cancel(msg, hdr); | |
10440 | nlmsg_free(msg); | |
10441 | ||
10442 | } | |
10443 | ||
04a773ad JB |
10444 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
10445 | struct net_device *netdev, const u8 *bssid, | |
10446 | gfp_t gfp) | |
10447 | { | |
10448 | struct sk_buff *msg; | |
10449 | void *hdr; | |
10450 | ||
fd2120ca | 10451 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
10452 | if (!msg) |
10453 | return; | |
10454 | ||
10455 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
10456 | if (!hdr) { | |
10457 | nlmsg_free(msg); | |
10458 | return; | |
10459 | } | |
10460 | ||
9360ffd1 DM |
10461 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10462 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10463 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
10464 | goto nla_put_failure; | |
04a773ad | 10465 | |
3b7b72ee | 10466 | genlmsg_end(msg, hdr); |
04a773ad | 10467 | |
68eb5503 | 10468 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10469 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
10470 | return; |
10471 | ||
10472 | nla_put_failure: | |
10473 | genlmsg_cancel(msg, hdr); | |
10474 | nlmsg_free(msg); | |
10475 | } | |
10476 | ||
947add36 JB |
10477 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
10478 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 10479 | { |
947add36 JB |
10480 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10481 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
c93b5e71 JC |
10482 | struct sk_buff *msg; |
10483 | void *hdr; | |
10484 | ||
947add36 JB |
10485 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
10486 | return; | |
10487 | ||
10488 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
10489 | ||
c93b5e71 JC |
10490 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10491 | if (!msg) | |
10492 | return; | |
10493 | ||
10494 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
10495 | if (!hdr) { | |
10496 | nlmsg_free(msg); | |
10497 | return; | |
10498 | } | |
10499 | ||
9360ffd1 | 10500 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
10501 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10502 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
10503 | (ie_len && ie && |
10504 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
10505 | goto nla_put_failure; | |
c93b5e71 | 10506 | |
3b7b72ee | 10507 | genlmsg_end(msg, hdr); |
c93b5e71 | 10508 | |
68eb5503 | 10509 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10510 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
10511 | return; |
10512 | ||
10513 | nla_put_failure: | |
10514 | genlmsg_cancel(msg, hdr); | |
10515 | nlmsg_free(msg); | |
10516 | } | |
947add36 | 10517 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 10518 | |
a3b8b056 JM |
10519 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
10520 | struct net_device *netdev, const u8 *addr, | |
10521 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 10522 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
10523 | { |
10524 | struct sk_buff *msg; | |
10525 | void *hdr; | |
10526 | ||
e6d6e342 | 10527 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
10528 | if (!msg) |
10529 | return; | |
10530 | ||
10531 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
10532 | if (!hdr) { | |
10533 | nlmsg_free(msg); | |
10534 | return; | |
10535 | } | |
10536 | ||
9360ffd1 DM |
10537 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10538 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
10539 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
10540 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
10541 | (key_id != -1 && | |
10542 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
10543 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
10544 | goto nla_put_failure; | |
a3b8b056 | 10545 | |
3b7b72ee | 10546 | genlmsg_end(msg, hdr); |
a3b8b056 | 10547 | |
68eb5503 | 10548 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10549 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
10550 | return; |
10551 | ||
10552 | nla_put_failure: | |
10553 | genlmsg_cancel(msg, hdr); | |
10554 | nlmsg_free(msg); | |
10555 | } | |
10556 | ||
6bad8766 LR |
10557 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
10558 | struct ieee80211_channel *channel_before, | |
10559 | struct ieee80211_channel *channel_after) | |
10560 | { | |
10561 | struct sk_buff *msg; | |
10562 | void *hdr; | |
10563 | struct nlattr *nl_freq; | |
10564 | ||
fd2120ca | 10565 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
10566 | if (!msg) |
10567 | return; | |
10568 | ||
10569 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
10570 | if (!hdr) { | |
10571 | nlmsg_free(msg); | |
10572 | return; | |
10573 | } | |
10574 | ||
10575 | /* | |
10576 | * Since we are applying the beacon hint to a wiphy we know its | |
10577 | * wiphy_idx is valid | |
10578 | */ | |
9360ffd1 DM |
10579 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
10580 | goto nla_put_failure; | |
6bad8766 LR |
10581 | |
10582 | /* Before */ | |
10583 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
10584 | if (!nl_freq) | |
10585 | goto nla_put_failure; | |
cdc89b97 | 10586 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
10587 | goto nla_put_failure; |
10588 | nla_nest_end(msg, nl_freq); | |
10589 | ||
10590 | /* After */ | |
10591 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
10592 | if (!nl_freq) | |
10593 | goto nla_put_failure; | |
cdc89b97 | 10594 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
10595 | goto nla_put_failure; |
10596 | nla_nest_end(msg, nl_freq); | |
10597 | ||
3b7b72ee | 10598 | genlmsg_end(msg, hdr); |
6bad8766 | 10599 | |
463d0183 | 10600 | rcu_read_lock(); |
68eb5503 | 10601 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10602 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 10603 | rcu_read_unlock(); |
6bad8766 LR |
10604 | |
10605 | return; | |
10606 | ||
10607 | nla_put_failure: | |
10608 | genlmsg_cancel(msg, hdr); | |
10609 | nlmsg_free(msg); | |
10610 | } | |
10611 | ||
9588bbd5 JM |
10612 | static void nl80211_send_remain_on_chan_event( |
10613 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 10614 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 10615 | struct ieee80211_channel *chan, |
9588bbd5 JM |
10616 | unsigned int duration, gfp_t gfp) |
10617 | { | |
10618 | struct sk_buff *msg; | |
10619 | void *hdr; | |
10620 | ||
10621 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10622 | if (!msg) | |
10623 | return; | |
10624 | ||
10625 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
10626 | if (!hdr) { | |
10627 | nlmsg_free(msg); | |
10628 | return; | |
10629 | } | |
10630 | ||
9360ffd1 | 10631 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10632 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10633 | wdev->netdev->ifindex)) || | |
00f53350 | 10634 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 10635 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
10636 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
10637 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
10638 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
10639 | goto nla_put_failure; | |
9588bbd5 | 10640 | |
9360ffd1 DM |
10641 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
10642 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
10643 | goto nla_put_failure; | |
9588bbd5 | 10644 | |
3b7b72ee | 10645 | genlmsg_end(msg, hdr); |
9588bbd5 | 10646 | |
68eb5503 | 10647 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10648 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
10649 | return; |
10650 | ||
10651 | nla_put_failure: | |
10652 | genlmsg_cancel(msg, hdr); | |
10653 | nlmsg_free(msg); | |
10654 | } | |
10655 | ||
947add36 JB |
10656 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
10657 | struct ieee80211_channel *chan, | |
10658 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 10659 | { |
947add36 JB |
10660 | struct wiphy *wiphy = wdev->wiphy; |
10661 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10662 | ||
10663 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 10664 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 10665 | rdev, wdev, cookie, chan, |
42d97a59 | 10666 | duration, gfp); |
9588bbd5 | 10667 | } |
947add36 | 10668 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 10669 | |
947add36 JB |
10670 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
10671 | struct ieee80211_channel *chan, | |
10672 | gfp_t gfp) | |
9588bbd5 | 10673 | { |
947add36 JB |
10674 | struct wiphy *wiphy = wdev->wiphy; |
10675 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
10676 | ||
10677 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 10678 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 10679 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 10680 | } |
947add36 | 10681 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 10682 | |
947add36 JB |
10683 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
10684 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 10685 | { |
947add36 JB |
10686 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10687 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
98b62183 JB |
10688 | struct sk_buff *msg; |
10689 | ||
947add36 JB |
10690 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
10691 | ||
58050fce | 10692 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
10693 | if (!msg) |
10694 | return; | |
10695 | ||
66266b3a JL |
10696 | if (nl80211_send_station(msg, 0, 0, 0, |
10697 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
10698 | nlmsg_free(msg); |
10699 | return; | |
10700 | } | |
10701 | ||
68eb5503 | 10702 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10703 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 10704 | } |
947add36 | 10705 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 10706 | |
947add36 | 10707 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 10708 | { |
947add36 JB |
10709 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10710 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ec15e68b JM |
10711 | struct sk_buff *msg; |
10712 | void *hdr; | |
10713 | ||
947add36 JB |
10714 | trace_cfg80211_del_sta(dev, mac_addr); |
10715 | ||
58050fce | 10716 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
10717 | if (!msg) |
10718 | return; | |
10719 | ||
10720 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
10721 | if (!hdr) { | |
10722 | nlmsg_free(msg); | |
10723 | return; | |
10724 | } | |
10725 | ||
9360ffd1 DM |
10726 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
10727 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
10728 | goto nla_put_failure; | |
ec15e68b | 10729 | |
3b7b72ee | 10730 | genlmsg_end(msg, hdr); |
ec15e68b | 10731 | |
68eb5503 | 10732 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10733 | NL80211_MCGRP_MLME, gfp); |
ec15e68b JM |
10734 | return; |
10735 | ||
10736 | nla_put_failure: | |
10737 | genlmsg_cancel(msg, hdr); | |
10738 | nlmsg_free(msg); | |
10739 | } | |
947add36 | 10740 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 10741 | |
947add36 JB |
10742 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
10743 | enum nl80211_connect_failed_reason reason, | |
10744 | gfp_t gfp) | |
ed44a951 | 10745 | { |
947add36 JB |
10746 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
10747 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
ed44a951 PP |
10748 | struct sk_buff *msg; |
10749 | void *hdr; | |
10750 | ||
10751 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
10752 | if (!msg) | |
10753 | return; | |
10754 | ||
10755 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
10756 | if (!hdr) { | |
10757 | nlmsg_free(msg); | |
10758 | return; | |
10759 | } | |
10760 | ||
10761 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10762 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
10763 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
10764 | goto nla_put_failure; | |
10765 | ||
10766 | genlmsg_end(msg, hdr); | |
10767 | ||
68eb5503 | 10768 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10769 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
10770 | return; |
10771 | ||
10772 | nla_put_failure: | |
10773 | genlmsg_cancel(msg, hdr); | |
10774 | nlmsg_free(msg); | |
10775 | } | |
947add36 | 10776 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 10777 | |
b92ab5d8 JB |
10778 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
10779 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
10780 | { |
10781 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10782 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
10783 | struct sk_buff *msg; | |
10784 | void *hdr; | |
15e47304 | 10785 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 10786 | |
15e47304 | 10787 | if (!nlportid) |
28946da7 JB |
10788 | return false; |
10789 | ||
10790 | msg = nlmsg_new(100, gfp); | |
10791 | if (!msg) | |
10792 | return true; | |
10793 | ||
b92ab5d8 | 10794 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
10795 | if (!hdr) { |
10796 | nlmsg_free(msg); | |
10797 | return true; | |
10798 | } | |
10799 | ||
9360ffd1 DM |
10800 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10801 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
10802 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
10803 | goto nla_put_failure; | |
28946da7 | 10804 | |
9c90a9f6 | 10805 | genlmsg_end(msg, hdr); |
15e47304 | 10806 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
10807 | return true; |
10808 | ||
10809 | nla_put_failure: | |
10810 | genlmsg_cancel(msg, hdr); | |
10811 | nlmsg_free(msg); | |
10812 | return true; | |
10813 | } | |
10814 | ||
947add36 JB |
10815 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
10816 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10817 | { |
947add36 JB |
10818 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10819 | bool ret; | |
10820 | ||
10821 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
10822 | ||
10823 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10824 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
10825 | trace_cfg80211_return_bool(false); | |
10826 | return false; | |
10827 | } | |
10828 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
10829 | addr, gfp); | |
10830 | trace_cfg80211_return_bool(ret); | |
10831 | return ret; | |
b92ab5d8 | 10832 | } |
947add36 | 10833 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 10834 | |
947add36 JB |
10835 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
10836 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 10837 | { |
947add36 JB |
10838 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10839 | bool ret; | |
10840 | ||
10841 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
10842 | ||
10843 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
10844 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
10845 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
10846 | trace_cfg80211_return_bool(false); | |
10847 | return false; | |
10848 | } | |
10849 | ret = __nl80211_unexpected_frame(dev, | |
10850 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
10851 | addr, gfp); | |
10852 | trace_cfg80211_return_bool(ret); | |
10853 | return ret; | |
b92ab5d8 | 10854 | } |
947add36 | 10855 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 10856 | |
2e161f78 | 10857 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 10858 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 10859 | int freq, int sig_dbm, |
19504cf5 | 10860 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 10861 | { |
71bbc994 | 10862 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10863 | struct sk_buff *msg; |
10864 | void *hdr; | |
026331c4 JM |
10865 | |
10866 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10867 | if (!msg) | |
10868 | return -ENOMEM; | |
10869 | ||
2e161f78 | 10870 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
10871 | if (!hdr) { |
10872 | nlmsg_free(msg); | |
10873 | return -ENOMEM; | |
10874 | } | |
10875 | ||
9360ffd1 | 10876 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10877 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10878 | netdev->ifindex)) || | |
a838490b | 10879 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10880 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
10881 | (sig_dbm && | |
10882 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
10883 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10884 | (flags && | |
10885 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 10886 | goto nla_put_failure; |
026331c4 | 10887 | |
3b7b72ee | 10888 | genlmsg_end(msg, hdr); |
026331c4 | 10889 | |
15e47304 | 10890 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
10891 | |
10892 | nla_put_failure: | |
10893 | genlmsg_cancel(msg, hdr); | |
10894 | nlmsg_free(msg); | |
10895 | return -ENOBUFS; | |
10896 | } | |
10897 | ||
947add36 JB |
10898 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
10899 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 10900 | { |
947add36 JB |
10901 | struct wiphy *wiphy = wdev->wiphy; |
10902 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
71bbc994 | 10903 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
10904 | struct sk_buff *msg; |
10905 | void *hdr; | |
10906 | ||
947add36 JB |
10907 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
10908 | ||
026331c4 JM |
10909 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
10910 | if (!msg) | |
10911 | return; | |
10912 | ||
2e161f78 | 10913 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
10914 | if (!hdr) { |
10915 | nlmsg_free(msg); | |
10916 | return; | |
10917 | } | |
10918 | ||
9360ffd1 | 10919 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
10920 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10921 | netdev->ifindex)) || | |
a838490b | 10922 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
10923 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
10924 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
10925 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
10926 | goto nla_put_failure; | |
026331c4 | 10927 | |
3b7b72ee | 10928 | genlmsg_end(msg, hdr); |
026331c4 | 10929 | |
68eb5503 | 10930 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10931 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
10932 | return; |
10933 | ||
10934 | nla_put_failure: | |
10935 | genlmsg_cancel(msg, hdr); | |
10936 | nlmsg_free(msg); | |
10937 | } | |
947add36 | 10938 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 10939 | |
947add36 JB |
10940 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
10941 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
10942 | gfp_t gfp) | |
d6dc1a38 | 10943 | { |
947add36 JB |
10944 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
10945 | struct wiphy *wiphy = wdev->wiphy; | |
10946 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
d6dc1a38 JO |
10947 | struct sk_buff *msg; |
10948 | struct nlattr *pinfoattr; | |
10949 | void *hdr; | |
10950 | ||
947add36 JB |
10951 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
10952 | ||
58050fce | 10953 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
d6dc1a38 JO |
10954 | if (!msg) |
10955 | return; | |
10956 | ||
10957 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
10958 | if (!hdr) { | |
10959 | nlmsg_free(msg); | |
10960 | return; | |
10961 | } | |
10962 | ||
9360ffd1 | 10963 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 10964 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 10965 | goto nla_put_failure; |
d6dc1a38 JO |
10966 | |
10967 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
10968 | if (!pinfoattr) | |
10969 | goto nla_put_failure; | |
10970 | ||
9360ffd1 DM |
10971 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
10972 | rssi_event)) | |
10973 | goto nla_put_failure; | |
d6dc1a38 JO |
10974 | |
10975 | nla_nest_end(msg, pinfoattr); | |
10976 | ||
3b7b72ee | 10977 | genlmsg_end(msg, hdr); |
d6dc1a38 | 10978 | |
68eb5503 | 10979 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10980 | NL80211_MCGRP_MLME, gfp); |
d6dc1a38 JO |
10981 | return; |
10982 | ||
10983 | nla_put_failure: | |
10984 | genlmsg_cancel(msg, hdr); | |
10985 | nlmsg_free(msg); | |
10986 | } | |
947add36 | 10987 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 10988 | |
947add36 JB |
10989 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
10990 | struct net_device *netdev, const u8 *bssid, | |
10991 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
10992 | { |
10993 | struct sk_buff *msg; | |
10994 | struct nlattr *rekey_attr; | |
10995 | void *hdr; | |
10996 | ||
58050fce | 10997 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
10998 | if (!msg) |
10999 | return; | |
11000 | ||
11001 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
11002 | if (!hdr) { | |
11003 | nlmsg_free(msg); | |
11004 | return; | |
11005 | } | |
11006 | ||
9360ffd1 DM |
11007 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11008 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11009 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
11010 | goto nla_put_failure; | |
e5497d76 JB |
11011 | |
11012 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
11013 | if (!rekey_attr) | |
11014 | goto nla_put_failure; | |
11015 | ||
9360ffd1 DM |
11016 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
11017 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
11018 | goto nla_put_failure; | |
e5497d76 JB |
11019 | |
11020 | nla_nest_end(msg, rekey_attr); | |
11021 | ||
3b7b72ee | 11022 | genlmsg_end(msg, hdr); |
e5497d76 | 11023 | |
68eb5503 | 11024 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11025 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
11026 | return; |
11027 | ||
11028 | nla_put_failure: | |
11029 | genlmsg_cancel(msg, hdr); | |
11030 | nlmsg_free(msg); | |
11031 | } | |
11032 | ||
947add36 JB |
11033 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
11034 | const u8 *replay_ctr, gfp_t gfp) | |
11035 | { | |
11036 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11037 | struct wiphy *wiphy = wdev->wiphy; | |
11038 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11039 | ||
11040 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
11041 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
11042 | } | |
11043 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
11044 | ||
11045 | static void | |
11046 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
11047 | struct net_device *netdev, int index, | |
11048 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
11049 | { |
11050 | struct sk_buff *msg; | |
11051 | struct nlattr *attr; | |
11052 | void *hdr; | |
11053 | ||
58050fce | 11054 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
11055 | if (!msg) |
11056 | return; | |
11057 | ||
11058 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
11059 | if (!hdr) { | |
11060 | nlmsg_free(msg); | |
11061 | return; | |
11062 | } | |
11063 | ||
9360ffd1 DM |
11064 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11065 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
11066 | goto nla_put_failure; | |
c9df56b4 JM |
11067 | |
11068 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
11069 | if (!attr) | |
11070 | goto nla_put_failure; | |
11071 | ||
9360ffd1 DM |
11072 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
11073 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
11074 | (preauth && | |
11075 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
11076 | goto nla_put_failure; | |
c9df56b4 JM |
11077 | |
11078 | nla_nest_end(msg, attr); | |
11079 | ||
3b7b72ee | 11080 | genlmsg_end(msg, hdr); |
c9df56b4 | 11081 | |
68eb5503 | 11082 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11083 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
11084 | return; |
11085 | ||
11086 | nla_put_failure: | |
11087 | genlmsg_cancel(msg, hdr); | |
11088 | nlmsg_free(msg); | |
11089 | } | |
11090 | ||
947add36 JB |
11091 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
11092 | const u8 *bssid, bool preauth, gfp_t gfp) | |
11093 | { | |
11094 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11095 | struct wiphy *wiphy = wdev->wiphy; | |
11096 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11097 | ||
11098 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
11099 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
11100 | } | |
11101 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
11102 | ||
11103 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
11104 | struct net_device *netdev, | |
11105 | struct cfg80211_chan_def *chandef, | |
11106 | gfp_t gfp) | |
5314526b TP |
11107 | { |
11108 | struct sk_buff *msg; | |
11109 | void *hdr; | |
11110 | ||
58050fce | 11111 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
11112 | if (!msg) |
11113 | return; | |
11114 | ||
11115 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY); | |
11116 | if (!hdr) { | |
11117 | nlmsg_free(msg); | |
11118 | return; | |
11119 | } | |
11120 | ||
683b6d3b JB |
11121 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
11122 | goto nla_put_failure; | |
11123 | ||
11124 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 11125 | goto nla_put_failure; |
5314526b TP |
11126 | |
11127 | genlmsg_end(msg, hdr); | |
11128 | ||
68eb5503 | 11129 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11130 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
11131 | return; |
11132 | ||
11133 | nla_put_failure: | |
11134 | genlmsg_cancel(msg, hdr); | |
11135 | nlmsg_free(msg); | |
11136 | } | |
11137 | ||
947add36 JB |
11138 | void cfg80211_ch_switch_notify(struct net_device *dev, |
11139 | struct cfg80211_chan_def *chandef) | |
84f10708 | 11140 | { |
947add36 JB |
11141 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11142 | struct wiphy *wiphy = wdev->wiphy; | |
11143 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11144 | ||
e487eaeb | 11145 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 11146 | |
e487eaeb | 11147 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 JB |
11148 | |
11149 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
ee4bc9e7 | 11150 | wdev->iftype != NL80211_IFTYPE_P2P_GO && |
b8456a14 CYY |
11151 | wdev->iftype != NL80211_IFTYPE_ADHOC && |
11152 | wdev->iftype != NL80211_IFTYPE_MESH_POINT)) | |
e487eaeb | 11153 | return; |
947add36 JB |
11154 | |
11155 | wdev->channel = chandef->chan; | |
11156 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); | |
947add36 JB |
11157 | } |
11158 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
11159 | ||
11160 | void cfg80211_cqm_txe_notify(struct net_device *dev, | |
11161 | const u8 *peer, u32 num_packets, | |
11162 | u32 rate, u32 intvl, gfp_t gfp) | |
11163 | { | |
11164 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11165 | struct wiphy *wiphy = wdev->wiphy; | |
11166 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
84f10708 TP |
11167 | struct sk_buff *msg; |
11168 | struct nlattr *pinfoattr; | |
11169 | void *hdr; | |
11170 | ||
11171 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
11172 | if (!msg) | |
11173 | return; | |
11174 | ||
11175 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11176 | if (!hdr) { | |
11177 | nlmsg_free(msg); | |
11178 | return; | |
11179 | } | |
11180 | ||
11181 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
947add36 | 11182 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
84f10708 TP |
11183 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
11184 | goto nla_put_failure; | |
11185 | ||
11186 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11187 | if (!pinfoattr) | |
11188 | goto nla_put_failure; | |
11189 | ||
11190 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
11191 | goto nla_put_failure; | |
11192 | ||
11193 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
11194 | goto nla_put_failure; | |
11195 | ||
11196 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
11197 | goto nla_put_failure; | |
11198 | ||
11199 | nla_nest_end(msg, pinfoattr); | |
11200 | ||
11201 | genlmsg_end(msg, hdr); | |
11202 | ||
68eb5503 | 11203 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11204 | NL80211_MCGRP_MLME, gfp); |
84f10708 TP |
11205 | return; |
11206 | ||
11207 | nla_put_failure: | |
11208 | genlmsg_cancel(msg, hdr); | |
11209 | nlmsg_free(msg); | |
11210 | } | |
947add36 | 11211 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); |
84f10708 | 11212 | |
04f39047 SW |
11213 | void |
11214 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 11215 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
11216 | enum nl80211_radar_event event, |
11217 | struct net_device *netdev, gfp_t gfp) | |
11218 | { | |
11219 | struct sk_buff *msg; | |
11220 | void *hdr; | |
11221 | ||
11222 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11223 | if (!msg) | |
11224 | return; | |
11225 | ||
11226 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
11227 | if (!hdr) { | |
11228 | nlmsg_free(msg); | |
11229 | return; | |
11230 | } | |
11231 | ||
11232 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
11233 | goto nla_put_failure; | |
11234 | ||
11235 | /* NOP and radar events don't need a netdev parameter */ | |
11236 | if (netdev) { | |
11237 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
11238 | ||
11239 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11240 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11241 | goto nla_put_failure; | |
11242 | } | |
11243 | ||
11244 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
11245 | goto nla_put_failure; | |
11246 | ||
11247 | if (nl80211_send_chandef(msg, chandef)) | |
11248 | goto nla_put_failure; | |
11249 | ||
9c90a9f6 | 11250 | genlmsg_end(msg, hdr); |
04f39047 | 11251 | |
68eb5503 | 11252 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11253 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
11254 | return; |
11255 | ||
11256 | nla_put_failure: | |
11257 | genlmsg_cancel(msg, hdr); | |
11258 | nlmsg_free(msg); | |
11259 | } | |
11260 | ||
947add36 JB |
11261 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
11262 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
c063dbf5 | 11263 | { |
947add36 JB |
11264 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11265 | struct wiphy *wiphy = wdev->wiphy; | |
11266 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
c063dbf5 JB |
11267 | struct sk_buff *msg; |
11268 | struct nlattr *pinfoattr; | |
11269 | void *hdr; | |
11270 | ||
947add36 JB |
11271 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
11272 | ||
58050fce | 11273 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c063dbf5 JB |
11274 | if (!msg) |
11275 | return; | |
11276 | ||
11277 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11278 | if (!hdr) { | |
11279 | nlmsg_free(msg); | |
11280 | return; | |
11281 | } | |
11282 | ||
9360ffd1 | 11283 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 11284 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
9360ffd1 DM |
11285 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) |
11286 | goto nla_put_failure; | |
c063dbf5 JB |
11287 | |
11288 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); | |
11289 | if (!pinfoattr) | |
11290 | goto nla_put_failure; | |
11291 | ||
9360ffd1 DM |
11292 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) |
11293 | goto nla_put_failure; | |
c063dbf5 JB |
11294 | |
11295 | nla_nest_end(msg, pinfoattr); | |
11296 | ||
3b7b72ee | 11297 | genlmsg_end(msg, hdr); |
c063dbf5 | 11298 | |
68eb5503 | 11299 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11300 | NL80211_MCGRP_MLME, gfp); |
c063dbf5 JB |
11301 | return; |
11302 | ||
11303 | nla_put_failure: | |
11304 | genlmsg_cancel(msg, hdr); | |
11305 | nlmsg_free(msg); | |
11306 | } | |
947add36 | 11307 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
c063dbf5 | 11308 | |
7f6cf311 JB |
11309 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
11310 | u64 cookie, bool acked, gfp_t gfp) | |
11311 | { | |
11312 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11313 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11314 | struct sk_buff *msg; | |
11315 | void *hdr; | |
7f6cf311 | 11316 | |
4ee3e063 BL |
11317 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
11318 | ||
58050fce | 11319 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 11320 | |
7f6cf311 JB |
11321 | if (!msg) |
11322 | return; | |
11323 | ||
11324 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
11325 | if (!hdr) { | |
11326 | nlmsg_free(msg); | |
11327 | return; | |
11328 | } | |
11329 | ||
9360ffd1 DM |
11330 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11331 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11332 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
11333 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
11334 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
11335 | goto nla_put_failure; | |
7f6cf311 | 11336 | |
9c90a9f6 | 11337 | genlmsg_end(msg, hdr); |
7f6cf311 | 11338 | |
68eb5503 | 11339 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11340 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
11341 | return; |
11342 | ||
11343 | nla_put_failure: | |
11344 | genlmsg_cancel(msg, hdr); | |
11345 | nlmsg_free(msg); | |
11346 | } | |
11347 | EXPORT_SYMBOL(cfg80211_probe_status); | |
11348 | ||
5e760230 JB |
11349 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
11350 | const u8 *frame, size_t len, | |
37c73b5f | 11351 | int freq, int sig_dbm) |
5e760230 JB |
11352 | { |
11353 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11354 | struct sk_buff *msg; | |
11355 | void *hdr; | |
37c73b5f | 11356 | struct cfg80211_beacon_registration *reg; |
5e760230 | 11357 | |
4ee3e063 BL |
11358 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
11359 | ||
37c73b5f BG |
11360 | spin_lock_bh(&rdev->beacon_registrations_lock); |
11361 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
11362 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
11363 | if (!msg) { | |
11364 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
11365 | return; | |
11366 | } | |
5e760230 | 11367 | |
37c73b5f BG |
11368 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
11369 | if (!hdr) | |
11370 | goto nla_put_failure; | |
5e760230 | 11371 | |
37c73b5f BG |
11372 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11373 | (freq && | |
11374 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
11375 | (sig_dbm && | |
11376 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
11377 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
11378 | goto nla_put_failure; | |
5e760230 | 11379 | |
37c73b5f | 11380 | genlmsg_end(msg, hdr); |
5e760230 | 11381 | |
37c73b5f BG |
11382 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
11383 | } | |
11384 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
11385 | return; |
11386 | ||
11387 | nla_put_failure: | |
37c73b5f BG |
11388 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
11389 | if (hdr) | |
11390 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
11391 | nlmsg_free(msg); |
11392 | } | |
11393 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
11394 | ||
cd8f7cb4 JB |
11395 | #ifdef CONFIG_PM |
11396 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, | |
11397 | struct cfg80211_wowlan_wakeup *wakeup, | |
11398 | gfp_t gfp) | |
11399 | { | |
11400 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11401 | struct sk_buff *msg; | |
11402 | void *hdr; | |
9c90a9f6 | 11403 | int size = 200; |
cd8f7cb4 JB |
11404 | |
11405 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
11406 | ||
11407 | if (wakeup) | |
11408 | size += wakeup->packet_present_len; | |
11409 | ||
11410 | msg = nlmsg_new(size, gfp); | |
11411 | if (!msg) | |
11412 | return; | |
11413 | ||
11414 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
11415 | if (!hdr) | |
11416 | goto free_msg; | |
11417 | ||
11418 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11419 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11420 | goto free_msg; | |
11421 | ||
11422 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11423 | wdev->netdev->ifindex)) | |
11424 | goto free_msg; | |
11425 | ||
11426 | if (wakeup) { | |
11427 | struct nlattr *reasons; | |
11428 | ||
11429 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
11430 | if (!reasons) |
11431 | goto free_msg; | |
cd8f7cb4 JB |
11432 | |
11433 | if (wakeup->disconnect && | |
11434 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
11435 | goto free_msg; | |
11436 | if (wakeup->magic_pkt && | |
11437 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
11438 | goto free_msg; | |
11439 | if (wakeup->gtk_rekey_failure && | |
11440 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
11441 | goto free_msg; | |
11442 | if (wakeup->eap_identity_req && | |
11443 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
11444 | goto free_msg; | |
11445 | if (wakeup->four_way_handshake && | |
11446 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
11447 | goto free_msg; | |
11448 | if (wakeup->rfkill_release && | |
11449 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
11450 | goto free_msg; | |
11451 | ||
11452 | if (wakeup->pattern_idx >= 0 && | |
11453 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
11454 | wakeup->pattern_idx)) | |
11455 | goto free_msg; | |
11456 | ||
ae917c9f JB |
11457 | if (wakeup->tcp_match && |
11458 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
11459 | goto free_msg; | |
2a0e047e | 11460 | |
ae917c9f JB |
11461 | if (wakeup->tcp_connlost && |
11462 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
11463 | goto free_msg; | |
2a0e047e | 11464 | |
ae917c9f JB |
11465 | if (wakeup->tcp_nomoretokens && |
11466 | nla_put_flag(msg, | |
11467 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
11468 | goto free_msg; | |
2a0e047e | 11469 | |
cd8f7cb4 JB |
11470 | if (wakeup->packet) { |
11471 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
11472 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
11473 | ||
11474 | if (!wakeup->packet_80211) { | |
11475 | pkt_attr = | |
11476 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
11477 | len_attr = | |
11478 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
11479 | } | |
11480 | ||
11481 | if (wakeup->packet_len && | |
11482 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
11483 | goto free_msg; | |
11484 | ||
11485 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
11486 | wakeup->packet)) | |
11487 | goto free_msg; | |
11488 | } | |
11489 | ||
11490 | nla_nest_end(msg, reasons); | |
11491 | } | |
11492 | ||
9c90a9f6 | 11493 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 11494 | |
68eb5503 | 11495 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11496 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
11497 | return; |
11498 | ||
11499 | free_msg: | |
11500 | nlmsg_free(msg); | |
11501 | } | |
11502 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
11503 | #endif | |
11504 | ||
3475b094 JM |
11505 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
11506 | enum nl80211_tdls_operation oper, | |
11507 | u16 reason_code, gfp_t gfp) | |
11508 | { | |
11509 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11510 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
11511 | struct sk_buff *msg; | |
11512 | void *hdr; | |
3475b094 JM |
11513 | |
11514 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
11515 | reason_code); | |
11516 | ||
11517 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11518 | if (!msg) | |
11519 | return; | |
11520 | ||
11521 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
11522 | if (!hdr) { | |
11523 | nlmsg_free(msg); | |
11524 | return; | |
11525 | } | |
11526 | ||
11527 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11528 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11529 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
11530 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
11531 | (reason_code > 0 && | |
11532 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
11533 | goto nla_put_failure; | |
11534 | ||
9c90a9f6 | 11535 | genlmsg_end(msg, hdr); |
3475b094 | 11536 | |
68eb5503 | 11537 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11538 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
11539 | return; |
11540 | ||
11541 | nla_put_failure: | |
11542 | genlmsg_cancel(msg, hdr); | |
11543 | nlmsg_free(msg); | |
11544 | } | |
11545 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
11546 | ||
026331c4 JM |
11547 | static int nl80211_netlink_notify(struct notifier_block * nb, |
11548 | unsigned long state, | |
11549 | void *_notify) | |
11550 | { | |
11551 | struct netlink_notify *notify = _notify; | |
11552 | struct cfg80211_registered_device *rdev; | |
11553 | struct wireless_dev *wdev; | |
37c73b5f | 11554 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
11555 | |
11556 | if (state != NETLINK_URELEASE) | |
11557 | return NOTIFY_DONE; | |
11558 | ||
11559 | rcu_read_lock(); | |
11560 | ||
5e760230 | 11561 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
89a54e48 | 11562 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) |
15e47304 | 11563 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f BG |
11564 | |
11565 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
11566 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
11567 | list) { | |
11568 | if (reg->nlportid == notify->portid) { | |
11569 | list_del(®->list); | |
11570 | kfree(reg); | |
11571 | break; | |
11572 | } | |
11573 | } | |
11574 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 11575 | } |
026331c4 JM |
11576 | |
11577 | rcu_read_unlock(); | |
11578 | ||
11579 | return NOTIFY_DONE; | |
11580 | } | |
11581 | ||
11582 | static struct notifier_block nl80211_netlink_notifier = { | |
11583 | .notifier_call = nl80211_netlink_notify, | |
11584 | }; | |
11585 | ||
355199e0 JM |
11586 | void cfg80211_ft_event(struct net_device *netdev, |
11587 | struct cfg80211_ft_event_params *ft_event) | |
11588 | { | |
11589 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
11590 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
11591 | struct sk_buff *msg; | |
11592 | void *hdr; | |
355199e0 JM |
11593 | |
11594 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
11595 | ||
11596 | if (!ft_event->target_ap) | |
11597 | return; | |
11598 | ||
11599 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11600 | if (!msg) | |
11601 | return; | |
11602 | ||
11603 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
11604 | if (!hdr) |
11605 | goto out; | |
355199e0 | 11606 | |
ae917c9f JB |
11607 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11608 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11609 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
11610 | goto out; | |
355199e0 | 11611 | |
ae917c9f JB |
11612 | if (ft_event->ies && |
11613 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
11614 | goto out; | |
11615 | if (ft_event->ric_ies && | |
11616 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
11617 | ft_event->ric_ies)) | |
11618 | goto out; | |
355199e0 | 11619 | |
9c90a9f6 | 11620 | genlmsg_end(msg, hdr); |
355199e0 | 11621 | |
68eb5503 | 11622 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11623 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
11624 | return; |
11625 | out: | |
11626 | nlmsg_free(msg); | |
355199e0 JM |
11627 | } |
11628 | EXPORT_SYMBOL(cfg80211_ft_event); | |
11629 | ||
5de17984 AS |
11630 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
11631 | { | |
11632 | struct cfg80211_registered_device *rdev; | |
11633 | struct sk_buff *msg; | |
11634 | void *hdr; | |
11635 | u32 nlportid; | |
11636 | ||
11637 | rdev = wiphy_to_dev(wdev->wiphy); | |
11638 | if (!rdev->crit_proto_nlportid) | |
11639 | return; | |
11640 | ||
11641 | nlportid = rdev->crit_proto_nlportid; | |
11642 | rdev->crit_proto_nlportid = 0; | |
11643 | ||
11644 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11645 | if (!msg) | |
11646 | return; | |
11647 | ||
11648 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
11649 | if (!hdr) | |
11650 | goto nla_put_failure; | |
11651 | ||
11652 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11653 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
11654 | goto nla_put_failure; | |
11655 | ||
11656 | genlmsg_end(msg, hdr); | |
11657 | ||
11658 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
11659 | return; | |
11660 | ||
11661 | nla_put_failure: | |
11662 | if (hdr) | |
11663 | genlmsg_cancel(msg, hdr); | |
11664 | nlmsg_free(msg); | |
11665 | ||
11666 | } | |
11667 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
11668 | ||
55682965 JB |
11669 | /* initialisation/exit functions */ |
11670 | ||
11671 | int nl80211_init(void) | |
11672 | { | |
0d63cbb5 | 11673 | int err; |
55682965 | 11674 | |
2a94fe48 JB |
11675 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
11676 | nl80211_mcgrps); | |
55682965 JB |
11677 | if (err) |
11678 | return err; | |
11679 | ||
026331c4 JM |
11680 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
11681 | if (err) | |
11682 | goto err_out; | |
11683 | ||
55682965 JB |
11684 | return 0; |
11685 | err_out: | |
11686 | genl_unregister_family(&nl80211_fam); | |
11687 | return err; | |
11688 | } | |
11689 | ||
11690 | void nl80211_exit(void) | |
11691 | { | |
026331c4 | 11692 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
11693 | genl_unregister_family(&nl80211_fam); |
11694 | } |