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Commit | Line | Data |
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55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
2740f0cf | 5 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
55682965 JB |
6 | */ |
7 | ||
8 | #include <linux/if.h> | |
9 | #include <linux/module.h> | |
10 | #include <linux/err.h> | |
5a0e3ad6 | 11 | #include <linux/slab.h> |
55682965 JB |
12 | #include <linux/list.h> |
13 | #include <linux/if_ether.h> | |
14 | #include <linux/ieee80211.h> | |
15 | #include <linux/nl80211.h> | |
16 | #include <linux/rtnetlink.h> | |
17 | #include <linux/netlink.h> | |
2a519311 | 18 | #include <linux/etherdevice.h> |
463d0183 | 19 | #include <net/net_namespace.h> |
55682965 JB |
20 | #include <net/genetlink.h> |
21 | #include <net/cfg80211.h> | |
463d0183 | 22 | #include <net/sock.h> |
2a0e047e | 23 | #include <net/inet_connection_sock.h> |
55682965 JB |
24 | #include "core.h" |
25 | #include "nl80211.h" | |
b2e1b302 | 26 | #include "reg.h" |
e35e4d28 | 27 | #include "rdev-ops.h" |
55682965 | 28 | |
5fb628e9 JM |
29 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
30 | struct genl_info *info, | |
31 | struct cfg80211_crypto_settings *settings, | |
32 | int cipher_limit); | |
33 | ||
f84f771d | 34 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 | 35 | struct genl_info *info); |
f84f771d | 36 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
37 | struct genl_info *info); |
38 | ||
55682965 JB |
39 | /* the netlink family */ |
40 | static struct genl_family nl80211_fam = { | |
fb4e1568 MH |
41 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ |
42 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ | |
43 | .hdrsize = 0, /* no private header */ | |
44 | .version = 1, /* no particular meaning now */ | |
55682965 | 45 | .maxattr = NL80211_ATTR_MAX, |
463d0183 | 46 | .netnsok = true, |
4c476991 JB |
47 | .pre_doit = nl80211_pre_doit, |
48 | .post_doit = nl80211_post_doit, | |
55682965 JB |
49 | }; |
50 | ||
2a94fe48 JB |
51 | /* multicast groups */ |
52 | enum nl80211_multicast_groups { | |
53 | NL80211_MCGRP_CONFIG, | |
54 | NL80211_MCGRP_SCAN, | |
55 | NL80211_MCGRP_REGULATORY, | |
56 | NL80211_MCGRP_MLME, | |
567ffc35 | 57 | NL80211_MCGRP_VENDOR, |
2a94fe48 JB |
58 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ |
59 | }; | |
60 | ||
61 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
62 | [NL80211_MCGRP_CONFIG] = { .name = "config", }, | |
63 | [NL80211_MCGRP_SCAN] = { .name = "scan", }, | |
64 | [NL80211_MCGRP_REGULATORY] = { .name = "regulatory", }, | |
65 | [NL80211_MCGRP_MLME] = { .name = "mlme", }, | |
567ffc35 | 66 | [NL80211_MCGRP_VENDOR] = { .name = "vendor", }, |
2a94fe48 JB |
67 | #ifdef CONFIG_NL80211_TESTMODE |
68 | [NL80211_MCGRP_TESTMODE] = { .name = "testmode", } | |
69 | #endif | |
70 | }; | |
71 | ||
89a54e48 JB |
72 | /* returns ERR_PTR values */ |
73 | static struct wireless_dev * | |
74 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 75 | { |
89a54e48 JB |
76 | struct cfg80211_registered_device *rdev; |
77 | struct wireless_dev *result = NULL; | |
78 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
79 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
80 | u64 wdev_id; | |
81 | int wiphy_idx = -1; | |
82 | int ifidx = -1; | |
55682965 | 83 | |
5fe231e8 | 84 | ASSERT_RTNL(); |
55682965 | 85 | |
89a54e48 JB |
86 | if (!have_ifidx && !have_wdev_id) |
87 | return ERR_PTR(-EINVAL); | |
55682965 | 88 | |
89a54e48 JB |
89 | if (have_ifidx) |
90 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
91 | if (have_wdev_id) { | |
92 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
93 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
94 | } |
95 | ||
89a54e48 JB |
96 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
97 | struct wireless_dev *wdev; | |
98 | ||
99 | if (wiphy_net(&rdev->wiphy) != netns) | |
100 | continue; | |
101 | ||
102 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
103 | continue; | |
104 | ||
89a54e48 JB |
105 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
106 | if (have_ifidx && wdev->netdev && | |
107 | wdev->netdev->ifindex == ifidx) { | |
108 | result = wdev; | |
109 | break; | |
110 | } | |
111 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
112 | result = wdev; | |
113 | break; | |
114 | } | |
115 | } | |
89a54e48 JB |
116 | |
117 | if (result) | |
118 | break; | |
119 | } | |
120 | ||
121 | if (result) | |
122 | return result; | |
123 | return ERR_PTR(-ENODEV); | |
55682965 JB |
124 | } |
125 | ||
a9455408 | 126 | static struct cfg80211_registered_device * |
878d9ec7 | 127 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 128 | { |
7fee4778 JB |
129 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
130 | struct net_device *netdev; | |
a9455408 | 131 | |
5fe231e8 | 132 | ASSERT_RTNL(); |
a9455408 | 133 | |
878d9ec7 | 134 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
135 | !attrs[NL80211_ATTR_IFINDEX] && |
136 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
137 | return ERR_PTR(-EINVAL); |
138 | ||
878d9ec7 | 139 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 140 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 141 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 142 | |
89a54e48 JB |
143 | if (attrs[NL80211_ATTR_WDEV]) { |
144 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
145 | struct wireless_dev *wdev; | |
146 | bool found = false; | |
147 | ||
148 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
149 | if (tmp) { | |
150 | /* make sure wdev exists */ | |
89a54e48 JB |
151 | list_for_each_entry(wdev, &tmp->wdev_list, list) { |
152 | if (wdev->identifier != (u32)wdev_id) | |
153 | continue; | |
154 | found = true; | |
155 | break; | |
156 | } | |
89a54e48 JB |
157 | |
158 | if (!found) | |
159 | tmp = NULL; | |
160 | ||
161 | if (rdev && tmp != rdev) | |
162 | return ERR_PTR(-EINVAL); | |
163 | rdev = tmp; | |
164 | } | |
165 | } | |
166 | ||
878d9ec7 JB |
167 | if (attrs[NL80211_ATTR_IFINDEX]) { |
168 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
7f2b8562 | 169 | netdev = __dev_get_by_index(netns, ifindex); |
7fee4778 JB |
170 | if (netdev) { |
171 | if (netdev->ieee80211_ptr) | |
f26cbf40 ZG |
172 | tmp = wiphy_to_rdev( |
173 | netdev->ieee80211_ptr->wiphy); | |
7fee4778 JB |
174 | else |
175 | tmp = NULL; | |
176 | ||
7fee4778 JB |
177 | /* not wireless device -- return error */ |
178 | if (!tmp) | |
179 | return ERR_PTR(-EINVAL); | |
180 | ||
181 | /* mismatch -- return error */ | |
182 | if (rdev && tmp != rdev) | |
183 | return ERR_PTR(-EINVAL); | |
184 | ||
185 | rdev = tmp; | |
a9455408 | 186 | } |
a9455408 | 187 | } |
a9455408 | 188 | |
4f7eff10 JB |
189 | if (!rdev) |
190 | return ERR_PTR(-ENODEV); | |
a9455408 | 191 | |
4f7eff10 JB |
192 | if (netns != wiphy_net(&rdev->wiphy)) |
193 | return ERR_PTR(-ENODEV); | |
194 | ||
195 | return rdev; | |
a9455408 JB |
196 | } |
197 | ||
198 | /* | |
199 | * This function returns a pointer to the driver | |
200 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
201 | * |
202 | * The result of this can be a PTR_ERR and hence must | |
203 | * be checked with IS_ERR() for errors. | |
204 | */ | |
205 | static struct cfg80211_registered_device * | |
4f7eff10 | 206 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 207 | { |
5fe231e8 | 208 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
209 | } |
210 | ||
55682965 | 211 | /* policy for the attributes */ |
8cd4d456 | 212 | static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { |
55682965 JB |
213 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
214 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 215 | .len = 20-1 }, |
31888487 | 216 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 217 | |
72bdcf34 | 218 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 219 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
220 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
221 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
222 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
223 | ||
b9a5f8ca JM |
224 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
225 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
226 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
227 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 228 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
3057dbfd | 229 | [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG }, |
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 }, | |
31fa97c5 | 342 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 343 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
344 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
345 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 346 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
347 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
348 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
349 | .len = NL80211_HT_CAPABILITY_LEN | |
350 | }, | |
1d9d9213 | 351 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 352 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 353 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 354 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 355 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
e39e5b5e | 356 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 357 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 358 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
359 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
360 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
361 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
362 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
363 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
364 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 365 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
366 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
367 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
368 | .len = NL80211_VHT_CAPABILITY_LEN, | |
369 | }, | |
355199e0 JM |
370 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
371 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
372 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 373 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
374 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
375 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
376 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
9a774c78 AO |
377 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY }, |
378 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY }, | |
c01fc9ad SD |
379 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
380 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 381 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 382 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
383 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
384 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
385 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
386 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
387 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
1df4a510 JM |
388 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
389 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, | |
df942e7b | 390 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
18e5ca65 | 391 | [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG }, |
34d22ce2 | 392 | [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, |
bab5ab7d | 393 | [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, |
960d01ac JB |
394 | [NL80211_ATTR_TSID] = { .type = NLA_U8 }, |
395 | [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 }, | |
396 | [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 }, | |
18998c38 | 397 | [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 }, |
ad2b26ab | 398 | [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN }, |
55682965 JB |
399 | }; |
400 | ||
e31b8213 | 401 | /* policy for the key attributes */ |
b54452b0 | 402 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 403 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
404 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
405 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 406 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
407 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
408 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 409 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
410 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
411 | }; | |
412 | ||
413 | /* policy for the key default flags */ | |
414 | static const struct nla_policy | |
415 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
416 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
417 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
418 | }; |
419 | ||
ff1b6e69 JB |
420 | /* policy for WoWLAN attributes */ |
421 | static const struct nla_policy | |
422 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
423 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
424 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
425 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
426 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
427 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
428 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
429 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
430 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e | 431 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
8cd4d456 | 432 | [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED }, |
2a0e047e JB |
433 | }; |
434 | ||
435 | static const struct nla_policy | |
436 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
437 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
438 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
439 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
440 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
441 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
442 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
443 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
444 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
445 | }, | |
446 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
447 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
448 | }, | |
449 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
450 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
451 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
452 | }; |
453 | ||
be29b99a AK |
454 | /* policy for coalesce rule attributes */ |
455 | static const struct nla_policy | |
456 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
457 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
458 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
459 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
460 | }; | |
461 | ||
e5497d76 JB |
462 | /* policy for GTK rekey offload attributes */ |
463 | static const struct nla_policy | |
464 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
465 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
466 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
467 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
468 | }; | |
469 | ||
a1f1c21c LC |
470 | static const struct nla_policy |
471 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 472 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 473 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 474 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
475 | }; |
476 | ||
97990a06 JB |
477 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
478 | struct netlink_callback *cb, | |
479 | struct cfg80211_registered_device **rdev, | |
480 | struct wireless_dev **wdev) | |
a043897a | 481 | { |
97990a06 | 482 | int err; |
a043897a | 483 | |
97990a06 | 484 | rtnl_lock(); |
a043897a | 485 | |
97990a06 JB |
486 | if (!cb->args[0]) { |
487 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
488 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
489 | nl80211_policy); | |
490 | if (err) | |
491 | goto out_unlock; | |
67748893 | 492 | |
97990a06 JB |
493 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
494 | nl80211_fam.attrbuf); | |
495 | if (IS_ERR(*wdev)) { | |
496 | err = PTR_ERR(*wdev); | |
497 | goto out_unlock; | |
498 | } | |
f26cbf40 | 499 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
c319d50b JB |
500 | /* 0 is the first index - add 1 to parse only once */ |
501 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
502 | cb->args[1] = (*wdev)->identifier; |
503 | } else { | |
c319d50b JB |
504 | /* subtract the 1 again here */ |
505 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 506 | struct wireless_dev *tmp; |
67748893 | 507 | |
97990a06 JB |
508 | if (!wiphy) { |
509 | err = -ENODEV; | |
510 | goto out_unlock; | |
511 | } | |
f26cbf40 | 512 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 513 | *wdev = NULL; |
67748893 | 514 | |
97990a06 JB |
515 | list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { |
516 | if (tmp->identifier == cb->args[1]) { | |
517 | *wdev = tmp; | |
518 | break; | |
519 | } | |
520 | } | |
67748893 | 521 | |
97990a06 JB |
522 | if (!*wdev) { |
523 | err = -ENODEV; | |
524 | goto out_unlock; | |
525 | } | |
67748893 JB |
526 | } |
527 | ||
67748893 | 528 | return 0; |
97990a06 | 529 | out_unlock: |
67748893 JB |
530 | rtnl_unlock(); |
531 | return err; | |
532 | } | |
533 | ||
97990a06 | 534 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 535 | { |
67748893 JB |
536 | rtnl_unlock(); |
537 | } | |
538 | ||
f4a11bb0 JB |
539 | /* IE validation */ |
540 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
541 | { | |
542 | const u8 *pos; | |
543 | int len; | |
544 | ||
545 | if (!attr) | |
546 | return true; | |
547 | ||
548 | pos = nla_data(attr); | |
549 | len = nla_len(attr); | |
550 | ||
551 | while (len) { | |
552 | u8 elemlen; | |
553 | ||
554 | if (len < 2) | |
555 | return false; | |
556 | len -= 2; | |
557 | ||
558 | elemlen = pos[1]; | |
559 | if (elemlen > len) | |
560 | return false; | |
561 | ||
562 | len -= elemlen; | |
563 | pos += 2 + elemlen; | |
564 | } | |
565 | ||
566 | return true; | |
567 | } | |
568 | ||
55682965 | 569 | /* message building helper */ |
15e47304 | 570 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
571 | int flags, u8 cmd) |
572 | { | |
573 | /* since there is no private header just add the generic one */ | |
15e47304 | 574 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
575 | } |
576 | ||
5dab3b8a | 577 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
578 | struct ieee80211_channel *chan, |
579 | bool large) | |
5dab3b8a | 580 | { |
ea077c1c RL |
581 | /* Some channels must be completely excluded from the |
582 | * list to protect old user-space tools from breaking | |
583 | */ | |
584 | if (!large && chan->flags & | |
585 | (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) | |
586 | return 0; | |
587 | ||
9360ffd1 DM |
588 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
589 | chan->center_freq)) | |
590 | goto nla_put_failure; | |
5dab3b8a | 591 | |
9360ffd1 DM |
592 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
593 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
594 | goto nla_put_failure; | |
8fe02e16 LR |
595 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
596 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
597 | goto nla_put_failure; | |
598 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
599 | goto nla_put_failure; | |
600 | } | |
cdc89b97 JB |
601 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
602 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
603 | goto nla_put_failure; | |
604 | if (large) { | |
605 | u32 time; | |
606 | ||
607 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
608 | ||
609 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
610 | chan->dfs_state)) | |
611 | goto nla_put_failure; | |
612 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
613 | time)) | |
614 | goto nla_put_failure; | |
089027e5 JD |
615 | if (nla_put_u32(msg, |
616 | NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, | |
617 | chan->dfs_cac_ms)) | |
618 | goto nla_put_failure; | |
cdc89b97 JB |
619 | } |
620 | } | |
5dab3b8a | 621 | |
fe1abafd JB |
622 | if (large) { |
623 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
624 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
625 | goto nla_put_failure; | |
626 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
627 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
628 | goto nla_put_failure; | |
629 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
630 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
631 | goto nla_put_failure; | |
632 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
633 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
634 | goto nla_put_failure; | |
570dbde1 DS |
635 | if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && |
636 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) | |
637 | goto nla_put_failure; | |
638 | if ((chan->flags & IEEE80211_CHAN_GO_CONCURRENT) && | |
639 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_GO_CONCURRENT)) | |
640 | goto nla_put_failure; | |
ea077c1c RL |
641 | if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && |
642 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) | |
643 | goto nla_put_failure; | |
644 | if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && | |
645 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) | |
646 | goto nla_put_failure; | |
fe1abafd JB |
647 | } |
648 | ||
9360ffd1 DM |
649 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
650 | DBM_TO_MBM(chan->max_power))) | |
651 | goto nla_put_failure; | |
5dab3b8a LR |
652 | |
653 | return 0; | |
654 | ||
655 | nla_put_failure: | |
656 | return -ENOBUFS; | |
657 | } | |
658 | ||
55682965 JB |
659 | /* netlink command implementations */ |
660 | ||
b9454e83 JB |
661 | struct key_parse { |
662 | struct key_params p; | |
663 | int idx; | |
e31b8213 | 664 | int type; |
b9454e83 | 665 | bool def, defmgmt; |
dbd2fd65 | 666 | bool def_uni, def_multi; |
b9454e83 JB |
667 | }; |
668 | ||
669 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
670 | { | |
671 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
672 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
673 | nl80211_key_policy); | |
674 | if (err) | |
675 | return err; | |
676 | ||
677 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
678 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
679 | ||
dbd2fd65 JB |
680 | if (k->def) { |
681 | k->def_uni = true; | |
682 | k->def_multi = true; | |
683 | } | |
684 | if (k->defmgmt) | |
685 | k->def_multi = true; | |
686 | ||
b9454e83 JB |
687 | if (tb[NL80211_KEY_IDX]) |
688 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
689 | ||
690 | if (tb[NL80211_KEY_DATA]) { | |
691 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
692 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
693 | } | |
694 | ||
695 | if (tb[NL80211_KEY_SEQ]) { | |
696 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
697 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
698 | } | |
699 | ||
700 | if (tb[NL80211_KEY_CIPHER]) | |
701 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
702 | ||
e31b8213 JB |
703 | if (tb[NL80211_KEY_TYPE]) { |
704 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
705 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
706 | return -EINVAL; | |
707 | } | |
708 | ||
dbd2fd65 JB |
709 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
710 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
2da8f419 JB |
711 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
712 | tb[NL80211_KEY_DEFAULT_TYPES], | |
713 | nl80211_key_default_policy); | |
dbd2fd65 JB |
714 | if (err) |
715 | return err; | |
716 | ||
717 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
718 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
719 | } | |
720 | ||
b9454e83 JB |
721 | return 0; |
722 | } | |
723 | ||
724 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
725 | { | |
726 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
727 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
728 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
729 | } | |
730 | ||
731 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
732 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
733 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
734 | } | |
735 | ||
736 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
737 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
738 | ||
739 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
740 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
741 | ||
742 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
743 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
744 | ||
dbd2fd65 JB |
745 | if (k->def) { |
746 | k->def_uni = true; | |
747 | k->def_multi = true; | |
748 | } | |
749 | if (k->defmgmt) | |
750 | k->def_multi = true; | |
751 | ||
e31b8213 JB |
752 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
753 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
754 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
755 | return -EINVAL; | |
756 | } | |
757 | ||
dbd2fd65 JB |
758 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
759 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
760 | int err = nla_parse_nested( | |
761 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
762 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
763 | nl80211_key_default_policy); | |
764 | if (err) | |
765 | return err; | |
766 | ||
767 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
768 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
769 | } | |
770 | ||
b9454e83 JB |
771 | return 0; |
772 | } | |
773 | ||
774 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
775 | { | |
776 | int err; | |
777 | ||
778 | memset(k, 0, sizeof(*k)); | |
779 | k->idx = -1; | |
e31b8213 | 780 | k->type = -1; |
b9454e83 JB |
781 | |
782 | if (info->attrs[NL80211_ATTR_KEY]) | |
783 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
784 | else | |
785 | err = nl80211_parse_key_old(info, k); | |
786 | ||
787 | if (err) | |
788 | return err; | |
789 | ||
790 | if (k->def && k->defmgmt) | |
791 | return -EINVAL; | |
792 | ||
dbd2fd65 JB |
793 | if (k->defmgmt) { |
794 | if (k->def_uni || !k->def_multi) | |
795 | return -EINVAL; | |
796 | } | |
797 | ||
b9454e83 JB |
798 | if (k->idx != -1) { |
799 | if (k->defmgmt) { | |
800 | if (k->idx < 4 || k->idx > 5) | |
801 | return -EINVAL; | |
802 | } else if (k->def) { | |
803 | if (k->idx < 0 || k->idx > 3) | |
804 | return -EINVAL; | |
805 | } else { | |
806 | if (k->idx < 0 || k->idx > 5) | |
807 | return -EINVAL; | |
808 | } | |
809 | } | |
810 | ||
811 | return 0; | |
812 | } | |
813 | ||
fffd0934 JB |
814 | static struct cfg80211_cached_keys * |
815 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 816 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
817 | { |
818 | struct key_parse parse; | |
819 | struct nlattr *key; | |
820 | struct cfg80211_cached_keys *result; | |
821 | int rem, err, def = 0; | |
822 | ||
823 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
824 | if (!result) | |
825 | return ERR_PTR(-ENOMEM); | |
826 | ||
827 | result->def = -1; | |
828 | result->defmgmt = -1; | |
829 | ||
830 | nla_for_each_nested(key, keys, rem) { | |
831 | memset(&parse, 0, sizeof(parse)); | |
832 | parse.idx = -1; | |
833 | ||
834 | err = nl80211_parse_key_new(key, &parse); | |
835 | if (err) | |
836 | goto error; | |
837 | err = -EINVAL; | |
838 | if (!parse.p.key) | |
839 | goto error; | |
840 | if (parse.idx < 0 || parse.idx > 4) | |
841 | goto error; | |
842 | if (parse.def) { | |
843 | if (def) | |
844 | goto error; | |
845 | def = 1; | |
846 | result->def = parse.idx; | |
dbd2fd65 JB |
847 | if (!parse.def_uni || !parse.def_multi) |
848 | goto error; | |
fffd0934 JB |
849 | } else if (parse.defmgmt) |
850 | goto error; | |
851 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 852 | parse.idx, false, NULL); |
fffd0934 JB |
853 | if (err) |
854 | goto error; | |
855 | result->params[parse.idx].cipher = parse.p.cipher; | |
856 | result->params[parse.idx].key_len = parse.p.key_len; | |
857 | result->params[parse.idx].key = result->data[parse.idx]; | |
858 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee SM |
859 | |
860 | if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || | |
861 | parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { | |
862 | if (no_ht) | |
863 | *no_ht = true; | |
864 | } | |
fffd0934 JB |
865 | } |
866 | ||
867 | return result; | |
868 | error: | |
869 | kfree(result); | |
870 | return ERR_PTR(err); | |
871 | } | |
872 | ||
873 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
874 | { | |
875 | ASSERT_WDEV_LOCK(wdev); | |
876 | ||
fffd0934 JB |
877 | switch (wdev->iftype) { |
878 | case NL80211_IFTYPE_AP: | |
879 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 880 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 881 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
882 | break; |
883 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 884 | case NL80211_IFTYPE_STATION: |
074ac8df | 885 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 886 | if (!wdev->current_bss) |
fffd0934 JB |
887 | return -ENOLINK; |
888 | break; | |
de4fcbad | 889 | case NL80211_IFTYPE_UNSPECIFIED: |
6e0bd6c3 | 890 | case NL80211_IFTYPE_OCB: |
de4fcbad JB |
891 | case NL80211_IFTYPE_MONITOR: |
892 | case NL80211_IFTYPE_P2P_DEVICE: | |
893 | case NL80211_IFTYPE_WDS: | |
894 | case NUM_NL80211_IFTYPES: | |
fffd0934 JB |
895 | return -EINVAL; |
896 | } | |
897 | ||
898 | return 0; | |
899 | } | |
900 | ||
664834de JM |
901 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
902 | struct nlattr *tb) | |
903 | { | |
904 | struct ieee80211_channel *chan; | |
905 | ||
906 | if (tb == NULL) | |
907 | return NULL; | |
908 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
909 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
910 | return NULL; | |
911 | return chan; | |
912 | } | |
913 | ||
7527a782 JB |
914 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
915 | { | |
916 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
917 | int i; | |
918 | ||
919 | if (!nl_modes) | |
920 | goto nla_put_failure; | |
921 | ||
922 | i = 0; | |
923 | while (ifmodes) { | |
9360ffd1 DM |
924 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
925 | goto nla_put_failure; | |
7527a782 JB |
926 | ifmodes >>= 1; |
927 | i++; | |
928 | } | |
929 | ||
930 | nla_nest_end(msg, nl_modes); | |
931 | return 0; | |
932 | ||
933 | nla_put_failure: | |
934 | return -ENOBUFS; | |
935 | } | |
936 | ||
937 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
938 | struct sk_buff *msg, |
939 | bool large) | |
7527a782 JB |
940 | { |
941 | struct nlattr *nl_combis; | |
942 | int i, j; | |
943 | ||
944 | nl_combis = nla_nest_start(msg, | |
945 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
946 | if (!nl_combis) | |
947 | goto nla_put_failure; | |
948 | ||
949 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
950 | const struct ieee80211_iface_combination *c; | |
951 | struct nlattr *nl_combi, *nl_limits; | |
952 | ||
953 | c = &wiphy->iface_combinations[i]; | |
954 | ||
955 | nl_combi = nla_nest_start(msg, i + 1); | |
956 | if (!nl_combi) | |
957 | goto nla_put_failure; | |
958 | ||
959 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
960 | if (!nl_limits) | |
961 | goto nla_put_failure; | |
962 | ||
963 | for (j = 0; j < c->n_limits; j++) { | |
964 | struct nlattr *nl_limit; | |
965 | ||
966 | nl_limit = nla_nest_start(msg, j + 1); | |
967 | if (!nl_limit) | |
968 | goto nla_put_failure; | |
9360ffd1 DM |
969 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
970 | c->limits[j].max)) | |
971 | goto nla_put_failure; | |
7527a782 JB |
972 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
973 | c->limits[j].types)) | |
974 | goto nla_put_failure; | |
975 | nla_nest_end(msg, nl_limit); | |
976 | } | |
977 | ||
978 | nla_nest_end(msg, nl_limits); | |
979 | ||
9360ffd1 DM |
980 | if (c->beacon_int_infra_match && |
981 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
982 | goto nla_put_failure; | |
983 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
984 | c->num_different_channels) || | |
985 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
986 | c->max_interfaces)) | |
987 | goto nla_put_failure; | |
cdc89b97 | 988 | if (large && |
8c48b50a FF |
989 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
990 | c->radar_detect_widths) || | |
991 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
992 | c->radar_detect_regions))) | |
cdc89b97 | 993 | goto nla_put_failure; |
7527a782 JB |
994 | |
995 | nla_nest_end(msg, nl_combi); | |
996 | } | |
997 | ||
998 | nla_nest_end(msg, nl_combis); | |
999 | ||
1000 | return 0; | |
1001 | nla_put_failure: | |
1002 | return -ENOBUFS; | |
1003 | } | |
1004 | ||
3713b4e3 | 1005 | #ifdef CONFIG_PM |
b56cf720 JB |
1006 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
1007 | struct sk_buff *msg) | |
1008 | { | |
964dc9e2 | 1009 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
1010 | struct nlattr *nl_tcp; |
1011 | ||
1012 | if (!tcp) | |
1013 | return 0; | |
1014 | ||
1015 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
1016 | if (!nl_tcp) | |
1017 | return -ENOBUFS; | |
1018 | ||
1019 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1020 | tcp->data_payload_max)) | |
1021 | return -ENOBUFS; | |
1022 | ||
1023 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1024 | tcp->data_payload_max)) | |
1025 | return -ENOBUFS; | |
1026 | ||
1027 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1028 | return -ENOBUFS; | |
1029 | ||
1030 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1031 | sizeof(*tcp->tok), tcp->tok)) | |
1032 | return -ENOBUFS; | |
1033 | ||
1034 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1035 | tcp->data_interval_max)) | |
1036 | return -ENOBUFS; | |
1037 | ||
1038 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1039 | tcp->wake_payload_max)) | |
1040 | return -ENOBUFS; | |
1041 | ||
1042 | nla_nest_end(msg, nl_tcp); | |
1043 | return 0; | |
1044 | } | |
1045 | ||
3713b4e3 | 1046 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1047 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1048 | bool large) |
55682965 | 1049 | { |
3713b4e3 | 1050 | struct nlattr *nl_wowlan; |
55682965 | 1051 | |
1b8ec87a | 1052 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1053 | return 0; |
55682965 | 1054 | |
3713b4e3 JB |
1055 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1056 | if (!nl_wowlan) | |
1057 | return -ENOBUFS; | |
9360ffd1 | 1058 | |
1b8ec87a | 1059 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1060 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1061 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1062 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1063 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1064 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1065 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1066 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1067 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1068 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1069 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1070 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1071 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1072 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1073 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1074 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1075 | return -ENOBUFS; | |
9360ffd1 | 1076 | |
1b8ec87a | 1077 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1078 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1079 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1080 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1081 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1082 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1083 | }; |
9360ffd1 | 1084 | |
3713b4e3 JB |
1085 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1086 | sizeof(pat), &pat)) | |
1087 | return -ENOBUFS; | |
1088 | } | |
9360ffd1 | 1089 | |
1b8ec87a | 1090 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1091 | return -ENOBUFS; |
1092 | ||
8cd4d456 LC |
1093 | /* TODO: send wowlan net detect */ |
1094 | ||
3713b4e3 | 1095 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1096 | |
3713b4e3 JB |
1097 | return 0; |
1098 | } | |
1099 | #endif | |
9360ffd1 | 1100 | |
be29b99a | 1101 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1102 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1103 | { |
1104 | struct nl80211_coalesce_rule_support rule; | |
1105 | ||
1b8ec87a | 1106 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1107 | return 0; |
1108 | ||
1b8ec87a ZG |
1109 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1110 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1111 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1112 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1113 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1114 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1115 | |
1116 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1117 | return -ENOBUFS; | |
1118 | ||
1119 | return 0; | |
1120 | } | |
1121 | ||
3713b4e3 JB |
1122 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1123 | struct ieee80211_supported_band *sband) | |
1124 | { | |
1125 | struct nlattr *nl_rates, *nl_rate; | |
1126 | struct ieee80211_rate *rate; | |
1127 | int i; | |
87bbbe22 | 1128 | |
3713b4e3 JB |
1129 | /* add HT info */ |
1130 | if (sband->ht_cap.ht_supported && | |
1131 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1132 | sizeof(sband->ht_cap.mcs), | |
1133 | &sband->ht_cap.mcs) || | |
1134 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1135 | sband->ht_cap.cap) || | |
1136 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1137 | sband->ht_cap.ampdu_factor) || | |
1138 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1139 | sband->ht_cap.ampdu_density))) | |
1140 | return -ENOBUFS; | |
afe0cbf8 | 1141 | |
3713b4e3 JB |
1142 | /* add VHT info */ |
1143 | if (sband->vht_cap.vht_supported && | |
1144 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1145 | sizeof(sband->vht_cap.vht_mcs), | |
1146 | &sband->vht_cap.vht_mcs) || | |
1147 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1148 | sband->vht_cap.cap))) | |
1149 | return -ENOBUFS; | |
f59ac048 | 1150 | |
3713b4e3 JB |
1151 | /* add bitrates */ |
1152 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1153 | if (!nl_rates) | |
1154 | return -ENOBUFS; | |
ee688b00 | 1155 | |
3713b4e3 JB |
1156 | for (i = 0; i < sband->n_bitrates; i++) { |
1157 | nl_rate = nla_nest_start(msg, i); | |
1158 | if (!nl_rate) | |
1159 | return -ENOBUFS; | |
ee688b00 | 1160 | |
3713b4e3 JB |
1161 | rate = &sband->bitrates[i]; |
1162 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1163 | rate->bitrate)) | |
1164 | return -ENOBUFS; | |
1165 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1166 | nla_put_flag(msg, | |
1167 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1168 | return -ENOBUFS; | |
ee688b00 | 1169 | |
3713b4e3 JB |
1170 | nla_nest_end(msg, nl_rate); |
1171 | } | |
d51626df | 1172 | |
3713b4e3 | 1173 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1174 | |
3713b4e3 JB |
1175 | return 0; |
1176 | } | |
ee688b00 | 1177 | |
3713b4e3 JB |
1178 | static int |
1179 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1180 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1181 | { | |
1182 | u16 stypes; | |
1183 | struct nlattr *nl_ftypes, *nl_ifs; | |
1184 | enum nl80211_iftype ift; | |
1185 | int i; | |
ee688b00 | 1186 | |
3713b4e3 JB |
1187 | if (!mgmt_stypes) |
1188 | return 0; | |
5dab3b8a | 1189 | |
3713b4e3 JB |
1190 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1191 | if (!nl_ifs) | |
1192 | return -ENOBUFS; | |
e2f367f2 | 1193 | |
3713b4e3 JB |
1194 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1195 | nl_ftypes = nla_nest_start(msg, ift); | |
1196 | if (!nl_ftypes) | |
1197 | return -ENOBUFS; | |
1198 | i = 0; | |
1199 | stypes = mgmt_stypes[ift].tx; | |
1200 | while (stypes) { | |
1201 | if ((stypes & 1) && | |
1202 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1203 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1204 | return -ENOBUFS; | |
1205 | stypes >>= 1; | |
1206 | i++; | |
ee688b00 | 1207 | } |
3713b4e3 JB |
1208 | nla_nest_end(msg, nl_ftypes); |
1209 | } | |
ee688b00 | 1210 | |
3713b4e3 | 1211 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1212 | |
3713b4e3 JB |
1213 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1214 | if (!nl_ifs) | |
1215 | return -ENOBUFS; | |
ee688b00 | 1216 | |
3713b4e3 JB |
1217 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1218 | nl_ftypes = nla_nest_start(msg, ift); | |
1219 | if (!nl_ftypes) | |
1220 | return -ENOBUFS; | |
1221 | i = 0; | |
1222 | stypes = mgmt_stypes[ift].rx; | |
1223 | while (stypes) { | |
1224 | if ((stypes & 1) && | |
1225 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1226 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1227 | return -ENOBUFS; | |
1228 | stypes >>= 1; | |
1229 | i++; | |
1230 | } | |
1231 | nla_nest_end(msg, nl_ftypes); | |
1232 | } | |
1233 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1234 | |
3713b4e3 JB |
1235 | return 0; |
1236 | } | |
ee688b00 | 1237 | |
86e8cf98 JB |
1238 | struct nl80211_dump_wiphy_state { |
1239 | s64 filter_wiphy; | |
1240 | long start; | |
1241 | long split_start, band_start, chan_start; | |
1242 | bool split; | |
1243 | }; | |
1244 | ||
1b8ec87a | 1245 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 1246 | enum nl80211_commands cmd, |
3713b4e3 | 1247 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 1248 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1249 | { |
1250 | void *hdr; | |
1251 | struct nlattr *nl_bands, *nl_band; | |
1252 | struct nlattr *nl_freqs, *nl_freq; | |
1253 | struct nlattr *nl_cmds; | |
1254 | enum ieee80211_band band; | |
1255 | struct ieee80211_channel *chan; | |
1256 | int i; | |
1257 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 1258 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 1259 | u32 features; |
ee688b00 | 1260 | |
3bb20556 | 1261 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
1262 | if (!hdr) |
1263 | return -ENOBUFS; | |
ee688b00 | 1264 | |
86e8cf98 JB |
1265 | if (WARN_ON(!state)) |
1266 | return -EINVAL; | |
ee688b00 | 1267 | |
1b8ec87a | 1268 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 1269 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 1270 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
1271 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1272 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1273 | goto nla_put_failure; |
1274 | ||
3bb20556 JB |
1275 | if (cmd != NL80211_CMD_NEW_WIPHY) |
1276 | goto finish; | |
1277 | ||
86e8cf98 | 1278 | switch (state->split_start) { |
3713b4e3 JB |
1279 | case 0: |
1280 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 1281 | rdev->wiphy.retry_short) || |
3713b4e3 | 1282 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 1283 | rdev->wiphy.retry_long) || |
3713b4e3 | 1284 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 1285 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 1286 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 1287 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 1288 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 1289 | rdev->wiphy.coverage_class) || |
3713b4e3 | 1290 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 1291 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 1292 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 1293 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 1294 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 1295 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 1296 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 1297 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 1298 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
1b8ec87a | 1299 | rdev->wiphy.max_match_sets)) |
9360ffd1 | 1300 | goto nla_put_failure; |
3713b4e3 | 1301 | |
1b8ec87a | 1302 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 1303 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 1304 | goto nla_put_failure; |
1b8ec87a | 1305 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
1306 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
1307 | goto nla_put_failure; | |
1b8ec87a | 1308 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
1309 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
1310 | goto nla_put_failure; | |
1b8ec87a | 1311 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
1312 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
1313 | goto nla_put_failure; | |
1b8ec87a | 1314 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
1315 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
1316 | goto nla_put_failure; | |
1b8ec87a | 1317 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 1318 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 1319 | goto nla_put_failure; |
86e8cf98 JB |
1320 | state->split_start++; |
1321 | if (state->split) | |
3713b4e3 JB |
1322 | break; |
1323 | case 1: | |
1324 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
1325 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
1326 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 1327 | goto nla_put_failure; |
4745fc09 | 1328 | |
3713b4e3 | 1329 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 1330 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 1331 | goto nla_put_failure; |
b23aa676 | 1332 | |
1b8ec87a | 1333 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 1334 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 1335 | goto nla_put_failure; |
b23aa676 | 1336 | |
3713b4e3 | 1337 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 1338 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 1339 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 1340 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 1341 | goto nla_put_failure; |
b23aa676 | 1342 | |
1b8ec87a | 1343 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 1344 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 1345 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 1346 | goto nla_put_failure; |
8fdc621d | 1347 | |
1b8ec87a ZG |
1348 | if ((rdev->wiphy.available_antennas_tx || |
1349 | rdev->wiphy.available_antennas_rx) && | |
1350 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
1351 | u32 tx_ant = 0, rx_ant = 0; |
1352 | int res; | |
1b8ec87a | 1353 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
1354 | if (!res) { |
1355 | if (nla_put_u32(msg, | |
1356 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1357 | tx_ant) || | |
1358 | nla_put_u32(msg, | |
1359 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1360 | rx_ant)) | |
1361 | goto nla_put_failure; | |
1362 | } | |
1363 | } | |
a293911d | 1364 | |
86e8cf98 JB |
1365 | state->split_start++; |
1366 | if (state->split) | |
3713b4e3 JB |
1367 | break; |
1368 | case 2: | |
1369 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 1370 | rdev->wiphy.interface_modes)) |
3713b4e3 | 1371 | goto nla_put_failure; |
86e8cf98 JB |
1372 | state->split_start++; |
1373 | if (state->split) | |
3713b4e3 JB |
1374 | break; |
1375 | case 3: | |
1376 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1377 | if (!nl_bands) | |
1378 | goto nla_put_failure; | |
f7ca38df | 1379 | |
86e8cf98 JB |
1380 | for (band = state->band_start; |
1381 | band < IEEE80211_NUM_BANDS; band++) { | |
3713b4e3 | 1382 | struct ieee80211_supported_band *sband; |
2e161f78 | 1383 | |
1b8ec87a | 1384 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 1385 | |
3713b4e3 JB |
1386 | if (!sband) |
1387 | continue; | |
1388 | ||
1389 | nl_band = nla_nest_start(msg, band); | |
1390 | if (!nl_band) | |
2e161f78 | 1391 | goto nla_put_failure; |
3713b4e3 | 1392 | |
86e8cf98 | 1393 | switch (state->chan_start) { |
3713b4e3 JB |
1394 | case 0: |
1395 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1396 | goto nla_put_failure; |
86e8cf98 JB |
1397 | state->chan_start++; |
1398 | if (state->split) | |
3713b4e3 JB |
1399 | break; |
1400 | default: | |
1401 | /* add frequencies */ | |
1402 | nl_freqs = nla_nest_start( | |
1403 | msg, NL80211_BAND_ATTR_FREQS); | |
1404 | if (!nl_freqs) | |
1405 | goto nla_put_failure; | |
1406 | ||
86e8cf98 | 1407 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1408 | i < sband->n_channels; |
1409 | i++) { | |
1410 | nl_freq = nla_nest_start(msg, i); | |
1411 | if (!nl_freq) | |
1412 | goto nla_put_failure; | |
1413 | ||
1414 | chan = &sband->channels[i]; | |
1415 | ||
86e8cf98 JB |
1416 | if (nl80211_msg_put_channel( |
1417 | msg, chan, | |
1418 | state->split)) | |
3713b4e3 JB |
1419 | goto nla_put_failure; |
1420 | ||
1421 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1422 | if (state->split) |
3713b4e3 JB |
1423 | break; |
1424 | } | |
1425 | if (i < sband->n_channels) | |
86e8cf98 | 1426 | state->chan_start = i + 2; |
3713b4e3 | 1427 | else |
86e8cf98 | 1428 | state->chan_start = 0; |
3713b4e3 JB |
1429 | nla_nest_end(msg, nl_freqs); |
1430 | } | |
1431 | ||
1432 | nla_nest_end(msg, nl_band); | |
1433 | ||
86e8cf98 | 1434 | if (state->split) { |
3713b4e3 | 1435 | /* start again here */ |
86e8cf98 | 1436 | if (state->chan_start) |
3713b4e3 JB |
1437 | band--; |
1438 | break; | |
2e161f78 | 1439 | } |
2e161f78 | 1440 | } |
3713b4e3 | 1441 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1442 | |
3713b4e3 | 1443 | if (band < IEEE80211_NUM_BANDS) |
86e8cf98 | 1444 | state->band_start = band + 1; |
3713b4e3 | 1445 | else |
86e8cf98 | 1446 | state->band_start = 0; |
74b70a4e | 1447 | |
3713b4e3 | 1448 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1449 | if (state->band_start == 0 && state->chan_start == 0) |
1450 | state->split_start++; | |
1451 | if (state->split) | |
3713b4e3 JB |
1452 | break; |
1453 | case 4: | |
1454 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1455 | if (!nl_cmds) | |
2e161f78 JB |
1456 | goto nla_put_failure; |
1457 | ||
3713b4e3 JB |
1458 | i = 0; |
1459 | #define CMD(op, n) \ | |
1460 | do { \ | |
1b8ec87a | 1461 | if (rdev->ops->op) { \ |
3713b4e3 JB |
1462 | i++; \ |
1463 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1464 | goto nla_put_failure; \ | |
1465 | } \ | |
1466 | } while (0) | |
1467 | ||
1468 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1469 | CMD(change_virtual_intf, SET_INTERFACE); | |
1470 | CMD(add_key, NEW_KEY); | |
1471 | CMD(start_ap, START_AP); | |
1472 | CMD(add_station, NEW_STATION); | |
1473 | CMD(add_mpath, NEW_MPATH); | |
1474 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1475 | CMD(change_bss, SET_BSS); | |
1476 | CMD(auth, AUTHENTICATE); | |
1477 | CMD(assoc, ASSOCIATE); | |
1478 | CMD(deauth, DEAUTHENTICATE); | |
1479 | CMD(disassoc, DISASSOCIATE); | |
1480 | CMD(join_ibss, JOIN_IBSS); | |
1481 | CMD(join_mesh, JOIN_MESH); | |
1482 | CMD(set_pmksa, SET_PMKSA); | |
1483 | CMD(del_pmksa, DEL_PMKSA); | |
1484 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1b8ec87a | 1485 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) |
3713b4e3 JB |
1486 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); |
1487 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1488 | CMD(mgmt_tx, FRAME); | |
1489 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1b8ec87a | 1490 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
3713b4e3 JB |
1491 | i++; |
1492 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1493 | goto nla_put_failure; |
2e161f78 | 1494 | } |
1b8ec87a ZG |
1495 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || |
1496 | rdev->ops->join_mesh) { | |
3713b4e3 JB |
1497 | i++; |
1498 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1499 | goto nla_put_failure; | |
1500 | } | |
1501 | CMD(set_wds_peer, SET_WDS_PEER); | |
1b8ec87a | 1502 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { |
3713b4e3 JB |
1503 | CMD(tdls_mgmt, TDLS_MGMT); |
1504 | CMD(tdls_oper, TDLS_OPER); | |
1505 | } | |
1b8ec87a | 1506 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
3713b4e3 JB |
1507 | CMD(sched_scan_start, START_SCHED_SCAN); |
1508 | CMD(probe_client, PROBE_CLIENT); | |
1509 | CMD(set_noack_map, SET_NOACK_MAP); | |
1b8ec87a | 1510 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { |
3713b4e3 JB |
1511 | i++; |
1512 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1513 | goto nla_put_failure; | |
1514 | } | |
1515 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1516 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
02df00eb JB |
1517 | #ifdef CONFIG_NL80211_TESTMODE |
1518 | CMD(testmode_cmd, TESTMODE); | |
1519 | #endif | |
86e8cf98 | 1520 | if (state->split) { |
5de17984 AS |
1521 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1522 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 1523 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 1524 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 1525 | CMD(set_qos_map, SET_QOS_MAP); |
723e73ac JB |
1526 | if (rdev->wiphy.features & |
1527 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
960d01ac | 1528 | CMD(add_tx_ts, ADD_TX_TS); |
5de17984 | 1529 | } |
02df00eb | 1530 | /* add into the if now */ |
3713b4e3 | 1531 | #undef CMD |
ff1b6e69 | 1532 | |
1b8ec87a | 1533 | if (rdev->ops->connect || rdev->ops->auth) { |
3713b4e3 JB |
1534 | i++; |
1535 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1536 | goto nla_put_failure; |
ff1b6e69 JB |
1537 | } |
1538 | ||
1b8ec87a | 1539 | if (rdev->ops->disconnect || rdev->ops->deauth) { |
3713b4e3 JB |
1540 | i++; |
1541 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1542 | goto nla_put_failure; | |
1543 | } | |
1544 | ||
1545 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1546 | state->split_start++; |
1547 | if (state->split) | |
3713b4e3 JB |
1548 | break; |
1549 | case 5: | |
1b8ec87a ZG |
1550 | if (rdev->ops->remain_on_channel && |
1551 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
1552 | nla_put_u32(msg, |
1553 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 1554 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
1555 | goto nla_put_failure; |
1556 | ||
1b8ec87a | 1557 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
1558 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
1559 | goto nla_put_failure; | |
1560 | ||
1561 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1562 | goto nla_put_failure; | |
86e8cf98 JB |
1563 | state->split_start++; |
1564 | if (state->split) | |
3713b4e3 JB |
1565 | break; |
1566 | case 6: | |
1567 | #ifdef CONFIG_PM | |
1b8ec87a | 1568 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 1569 | goto nla_put_failure; |
86e8cf98 JB |
1570 | state->split_start++; |
1571 | if (state->split) | |
3713b4e3 JB |
1572 | break; |
1573 | #else | |
86e8cf98 | 1574 | state->split_start++; |
dfb89c56 | 1575 | #endif |
3713b4e3 JB |
1576 | case 7: |
1577 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 1578 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 1579 | goto nla_put_failure; |
ff1b6e69 | 1580 | |
1b8ec87a | 1581 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 1582 | state->split)) |
3713b4e3 | 1583 | goto nla_put_failure; |
7527a782 | 1584 | |
86e8cf98 JB |
1585 | state->split_start++; |
1586 | if (state->split) | |
3713b4e3 JB |
1587 | break; |
1588 | case 8: | |
1b8ec87a | 1589 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 1590 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 1591 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 1592 | goto nla_put_failure; |
7527a782 | 1593 | |
1b8ec87a | 1594 | features = rdev->wiphy.features; |
fe1abafd JB |
1595 | /* |
1596 | * We can only add the per-channel limit information if the | |
1597 | * dump is split, otherwise it makes it too big. Therefore | |
1598 | * only advertise it in that case. | |
1599 | */ | |
86e8cf98 | 1600 | if (state->split) |
fe1abafd JB |
1601 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1602 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1603 | goto nla_put_failure; |
562a7480 | 1604 | |
1b8ec87a | 1605 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 1606 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
1607 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
1608 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 1609 | goto nla_put_failure; |
1f074bd8 | 1610 | |
1b8ec87a ZG |
1611 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1612 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 1613 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 1614 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 1615 | goto nla_put_failure; |
7e7c8926 | 1616 | |
3713b4e3 JB |
1617 | /* |
1618 | * Any information below this point is only available to | |
1619 | * applications that can deal with it being split. This | |
1620 | * helps ensure that newly added capabilities don't break | |
1621 | * older tools by overrunning their buffers. | |
1622 | * | |
1623 | * We still increment split_start so that in the split | |
1624 | * case we'll continue with more data in the next round, | |
1625 | * but break unconditionally so unsplit data stops here. | |
1626 | */ | |
86e8cf98 | 1627 | state->split_start++; |
3713b4e3 JB |
1628 | break; |
1629 | case 9: | |
1b8ec87a | 1630 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 1631 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
1632 | rdev->wiphy.extended_capabilities_len, |
1633 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 1634 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
1635 | rdev->wiphy.extended_capabilities_len, |
1636 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 1637 | goto nla_put_failure; |
a50df0c4 | 1638 | |
1b8ec87a | 1639 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 1640 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
1641 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
1642 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
1643 | goto nla_put_failure; |
1644 | ||
be29b99a AK |
1645 | state->split_start++; |
1646 | break; | |
1647 | case 10: | |
1b8ec87a | 1648 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
1649 | goto nla_put_failure; |
1650 | ||
1b8ec87a | 1651 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
1652 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
1653 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1654 | goto nla_put_failure; | |
b43504cf | 1655 | |
1b8ec87a | 1656 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 1657 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 1658 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
1659 | goto nla_put_failure; |
1660 | ||
ad7e718c JB |
1661 | state->split_start++; |
1662 | break; | |
1663 | case 11: | |
1b8ec87a | 1664 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
1665 | const struct nl80211_vendor_cmd_info *info; |
1666 | struct nlattr *nested; | |
1667 | ||
1668 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1669 | if (!nested) | |
1670 | goto nla_put_failure; | |
1671 | ||
1b8ec87a ZG |
1672 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
1673 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
1674 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1675 | goto nla_put_failure; | |
1676 | } | |
1677 | nla_nest_end(msg, nested); | |
1678 | } | |
1679 | ||
1b8ec87a | 1680 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
1681 | const struct nl80211_vendor_cmd_info *info; |
1682 | struct nlattr *nested; | |
ad7e718c | 1683 | |
567ffc35 JB |
1684 | nested = nla_nest_start(msg, |
1685 | NL80211_ATTR_VENDOR_EVENTS); | |
1686 | if (!nested) | |
ad7e718c | 1687 | goto nla_put_failure; |
567ffc35 | 1688 | |
1b8ec87a ZG |
1689 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
1690 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
1691 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1692 | goto nla_put_failure; | |
1693 | } | |
1694 | nla_nest_end(msg, nested); | |
1695 | } | |
9a774c78 AO |
1696 | state->split_start++; |
1697 | break; | |
1698 | case 12: | |
1699 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
1700 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
1701 | rdev->wiphy.max_num_csa_counters)) | |
1702 | goto nla_put_failure; | |
01e0daa4 | 1703 | |
3713b4e3 | 1704 | /* done */ |
86e8cf98 | 1705 | state->split_start = 0; |
3713b4e3 JB |
1706 | break; |
1707 | } | |
3bb20556 | 1708 | finish: |
55682965 JB |
1709 | return genlmsg_end(msg, hdr); |
1710 | ||
1711 | nla_put_failure: | |
bc3ed28c TG |
1712 | genlmsg_cancel(msg, hdr); |
1713 | return -EMSGSIZE; | |
55682965 JB |
1714 | } |
1715 | ||
86e8cf98 JB |
1716 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1717 | struct netlink_callback *cb, | |
1718 | struct nl80211_dump_wiphy_state *state) | |
1719 | { | |
1720 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1721 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1722 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1723 | /* ignore parse errors for backward compatibility */ | |
1724 | if (ret) | |
1725 | return 0; | |
1726 | ||
1727 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1728 | if (tb[NL80211_ATTR_WIPHY]) | |
1729 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1730 | if (tb[NL80211_ATTR_WDEV]) | |
1731 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1732 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1733 | struct net_device *netdev; | |
1734 | struct cfg80211_registered_device *rdev; | |
1735 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1736 | ||
7f2b8562 | 1737 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1738 | if (!netdev) |
1739 | return -ENODEV; | |
1740 | if (netdev->ieee80211_ptr) { | |
f26cbf40 | 1741 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
1742 | netdev->ieee80211_ptr->wiphy); |
1743 | state->filter_wiphy = rdev->wiphy_idx; | |
1744 | } | |
86e8cf98 JB |
1745 | } |
1746 | ||
1747 | return 0; | |
1748 | } | |
1749 | ||
55682965 JB |
1750 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1751 | { | |
645e77de | 1752 | int idx = 0, ret; |
86e8cf98 | 1753 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 1754 | struct cfg80211_registered_device *rdev; |
3a5a423b | 1755 | |
5fe231e8 | 1756 | rtnl_lock(); |
86e8cf98 JB |
1757 | if (!state) { |
1758 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1759 | if (!state) { |
1760 | rtnl_unlock(); | |
86e8cf98 | 1761 | return -ENOMEM; |
3713b4e3 | 1762 | } |
86e8cf98 JB |
1763 | state->filter_wiphy = -1; |
1764 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1765 | if (ret) { | |
1766 | kfree(state); | |
1767 | rtnl_unlock(); | |
1768 | return ret; | |
3713b4e3 | 1769 | } |
86e8cf98 | 1770 | cb->args[0] = (long)state; |
3713b4e3 JB |
1771 | } |
1772 | ||
1b8ec87a ZG |
1773 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1774 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1775 | continue; |
86e8cf98 | 1776 | if (++idx <= state->start) |
55682965 | 1777 | continue; |
86e8cf98 | 1778 | if (state->filter_wiphy != -1 && |
1b8ec87a | 1779 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
1780 | continue; |
1781 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1782 | do { | |
3bb20556 JB |
1783 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
1784 | skb, | |
3713b4e3 JB |
1785 | NETLINK_CB(cb->skb).portid, |
1786 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1787 | NLM_F_MULTI, state); |
3713b4e3 JB |
1788 | if (ret < 0) { |
1789 | /* | |
1790 | * If sending the wiphy data didn't fit (ENOBUFS | |
1791 | * or EMSGSIZE returned), this SKB is still | |
1792 | * empty (so it's not too big because another | |
1793 | * wiphy dataset is already in the skb) and | |
1794 | * we've not tried to adjust the dump allocation | |
1795 | * yet ... then adjust the alloc size to be | |
1796 | * bigger, and return 1 but with the empty skb. | |
1797 | * This results in an empty message being RX'ed | |
1798 | * in userspace, but that is ignored. | |
1799 | * | |
1800 | * We can then retry with the larger buffer. | |
1801 | */ | |
1802 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 1803 | !skb->len && !state->split && |
3713b4e3 JB |
1804 | cb->min_dump_alloc < 4096) { |
1805 | cb->min_dump_alloc = 4096; | |
f12cb289 | 1806 | state->split_start = 0; |
d98cae64 | 1807 | rtnl_unlock(); |
3713b4e3 JB |
1808 | return 1; |
1809 | } | |
1810 | idx--; | |
1811 | break; | |
645e77de | 1812 | } |
86e8cf98 | 1813 | } while (state->split_start > 0); |
3713b4e3 | 1814 | break; |
55682965 | 1815 | } |
5fe231e8 | 1816 | rtnl_unlock(); |
55682965 | 1817 | |
86e8cf98 | 1818 | state->start = idx; |
55682965 JB |
1819 | |
1820 | return skb->len; | |
1821 | } | |
1822 | ||
86e8cf98 JB |
1823 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1824 | { | |
1825 | kfree((void *)cb->args[0]); | |
1826 | return 0; | |
1827 | } | |
1828 | ||
55682965 JB |
1829 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1830 | { | |
1831 | struct sk_buff *msg; | |
1b8ec87a | 1832 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 1833 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1834 | |
645e77de | 1835 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 1836 | if (!msg) |
4c476991 | 1837 | return -ENOMEM; |
55682965 | 1838 | |
3bb20556 JB |
1839 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
1840 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 1841 | &state) < 0) { |
4c476991 JB |
1842 | nlmsg_free(msg); |
1843 | return -ENOBUFS; | |
1844 | } | |
55682965 | 1845 | |
134e6375 | 1846 | return genlmsg_reply(msg, info); |
55682965 JB |
1847 | } |
1848 | ||
31888487 JM |
1849 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
1850 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
1851 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
1852 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
1853 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
1854 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
1855 | }; | |
1856 | ||
1857 | static int parse_txq_params(struct nlattr *tb[], | |
1858 | struct ieee80211_txq_params *txq_params) | |
1859 | { | |
a3304b0a | 1860 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
1861 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
1862 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
1863 | return -EINVAL; | |
1864 | ||
a3304b0a | 1865 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
1866 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
1867 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
1868 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
1869 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
1870 | ||
a3304b0a JB |
1871 | if (txq_params->ac >= NL80211_NUM_ACS) |
1872 | return -EINVAL; | |
1873 | ||
31888487 JM |
1874 | return 0; |
1875 | } | |
1876 | ||
f444de05 JB |
1877 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
1878 | { | |
1879 | /* | |
cc1d2806 JB |
1880 | * You can only set the channel explicitly for WDS interfaces, |
1881 | * all others have their channel managed via their respective | |
1882 | * "establish a connection" command (connect, join, ...) | |
1883 | * | |
1884 | * For AP/GO and mesh mode, the channel can be set with the | |
1885 | * channel userspace API, but is only stored and passed to the | |
1886 | * low-level driver when the AP starts or the mesh is joined. | |
1887 | * This is for backward compatibility, userspace can also give | |
1888 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
1889 | * |
1890 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
1891 | * whatever else is going on, so they have their own special |
1892 | * operation to set the monitor channel if possible. | |
f444de05 JB |
1893 | */ |
1894 | return !wdev || | |
1895 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 1896 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
1897 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
1898 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
1899 | } |
1900 | ||
683b6d3b JB |
1901 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
1902 | struct genl_info *info, | |
1903 | struct cfg80211_chan_def *chandef) | |
1904 | { | |
dbeca2ea | 1905 | u32 control_freq; |
683b6d3b JB |
1906 | |
1907 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
1908 | return -EINVAL; | |
1909 | ||
1910 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
1911 | ||
1912 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
1913 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
1914 | chandef->center_freq1 = control_freq; | |
1915 | chandef->center_freq2 = 0; | |
683b6d3b JB |
1916 | |
1917 | /* Primary channel not allowed */ | |
1918 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
1919 | return -EINVAL; | |
1920 | ||
3d9d1d66 JB |
1921 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
1922 | enum nl80211_channel_type chantype; | |
1923 | ||
1924 | chantype = nla_get_u32( | |
1925 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
1926 | ||
1927 | switch (chantype) { | |
1928 | case NL80211_CHAN_NO_HT: | |
1929 | case NL80211_CHAN_HT20: | |
1930 | case NL80211_CHAN_HT40PLUS: | |
1931 | case NL80211_CHAN_HT40MINUS: | |
1932 | cfg80211_chandef_create(chandef, chandef->chan, | |
1933 | chantype); | |
1934 | break; | |
1935 | default: | |
1936 | return -EINVAL; | |
1937 | } | |
1938 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
1939 | chandef->width = | |
1940 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
1941 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
1942 | chandef->center_freq1 = | |
1943 | nla_get_u32( | |
1944 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
1945 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
1946 | chandef->center_freq2 = | |
1947 | nla_get_u32( | |
1948 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
1949 | } | |
1950 | ||
9f5e8f6e | 1951 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
1952 | return -EINVAL; |
1953 | ||
9f5e8f6e JB |
1954 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
1955 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
1956 | return -EINVAL; |
1957 | ||
2f301ab2 SW |
1958 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
1959 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
1960 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
1961 | return -EINVAL; | |
1962 | ||
683b6d3b JB |
1963 | return 0; |
1964 | } | |
1965 | ||
f444de05 | 1966 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 1967 | struct net_device *dev, |
f444de05 JB |
1968 | struct genl_info *info) |
1969 | { | |
683b6d3b | 1970 | struct cfg80211_chan_def chandef; |
f444de05 | 1971 | int result; |
e8c9bd5b | 1972 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 1973 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 1974 | |
e16821bc JM |
1975 | if (dev) |
1976 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
1977 | if (!nl80211_can_set_dev_channel(wdev)) |
1978 | return -EOPNOTSUPP; | |
e16821bc JM |
1979 | if (wdev) |
1980 | iftype = wdev->iftype; | |
f444de05 | 1981 | |
683b6d3b JB |
1982 | result = nl80211_parse_chandef(rdev, info, &chandef); |
1983 | if (result) | |
1984 | return result; | |
f444de05 | 1985 | |
e8c9bd5b | 1986 | switch (iftype) { |
aa430da4 JB |
1987 | case NL80211_IFTYPE_AP: |
1988 | case NL80211_IFTYPE_P2P_GO: | |
174e0cd2 | 1989 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, iftype)) { |
aa430da4 JB |
1990 | result = -EINVAL; |
1991 | break; | |
1992 | } | |
e16821bc JM |
1993 | if (wdev->beacon_interval) { |
1994 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
1995 | !(rdev->wiphy.features & | |
1996 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
1997 | result = -EBUSY; | |
1998 | break; | |
1999 | } | |
2000 | ||
2001 | /* Only allow dynamic channel width changes */ | |
2002 | if (chandef.chan != wdev->preset_chandef.chan) { | |
2003 | result = -EBUSY; | |
2004 | break; | |
2005 | } | |
2006 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
2007 | if (result) | |
2008 | break; | |
2009 | } | |
683b6d3b | 2010 | wdev->preset_chandef = chandef; |
aa430da4 JB |
2011 | result = 0; |
2012 | break; | |
cc1d2806 | 2013 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 2014 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 2015 | break; |
e8c9bd5b | 2016 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 2017 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 2018 | break; |
aa430da4 | 2019 | default: |
e8c9bd5b | 2020 | result = -EINVAL; |
f444de05 | 2021 | } |
f444de05 JB |
2022 | |
2023 | return result; | |
2024 | } | |
2025 | ||
2026 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
2027 | { | |
4c476991 JB |
2028 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2029 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 2030 | |
e16821bc | 2031 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
2032 | } |
2033 | ||
e8347eba BJ |
2034 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
2035 | { | |
43b19952 JB |
2036 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2037 | struct net_device *dev = info->user_ptr[1]; | |
2038 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 2039 | const u8 *bssid; |
e8347eba BJ |
2040 | |
2041 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2042 | return -EINVAL; | |
2043 | ||
43b19952 JB |
2044 | if (netif_running(dev)) |
2045 | return -EBUSY; | |
e8347eba | 2046 | |
43b19952 JB |
2047 | if (!rdev->ops->set_wds_peer) |
2048 | return -EOPNOTSUPP; | |
e8347eba | 2049 | |
43b19952 JB |
2050 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
2051 | return -EOPNOTSUPP; | |
e8347eba BJ |
2052 | |
2053 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 2054 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
2055 | } |
2056 | ||
2057 | ||
55682965 JB |
2058 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
2059 | { | |
2060 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
2061 | struct net_device *netdev = NULL; |
2062 | struct wireless_dev *wdev; | |
a1e567c8 | 2063 | int result = 0, rem_txq_params = 0; |
31888487 | 2064 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
2065 | u32 changed; |
2066 | u8 retry_short = 0, retry_long = 0; | |
2067 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 2068 | u8 coverage_class = 0; |
55682965 | 2069 | |
5fe231e8 JB |
2070 | ASSERT_RTNL(); |
2071 | ||
f444de05 JB |
2072 | /* |
2073 | * Try to find the wiphy and netdev. Normally this | |
2074 | * function shouldn't need the netdev, but this is | |
2075 | * done for backward compatibility -- previously | |
2076 | * setting the channel was done per wiphy, but now | |
2077 | * it is per netdev. Previous userland like hostapd | |
2078 | * also passed a netdev to set_wiphy, so that it is | |
2079 | * possible to let that go to the right netdev! | |
2080 | */ | |
4bbf4d56 | 2081 | |
f444de05 JB |
2082 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2083 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2084 | ||
7f2b8562 | 2085 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2086 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 2087 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2088 | else |
f444de05 | 2089 | netdev = NULL; |
4bbf4d56 JB |
2090 | } |
2091 | ||
f444de05 | 2092 | if (!netdev) { |
878d9ec7 JB |
2093 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2094 | info->attrs); | |
5fe231e8 | 2095 | if (IS_ERR(rdev)) |
4c476991 | 2096 | return PTR_ERR(rdev); |
f444de05 JB |
2097 | wdev = NULL; |
2098 | netdev = NULL; | |
2099 | result = 0; | |
71fe96bf | 2100 | } else |
f444de05 | 2101 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2102 | |
2103 | /* | |
2104 | * end workaround code, by now the rdev is available | |
2105 | * and locked, and wdev may or may not be NULL. | |
2106 | */ | |
4bbf4d56 JB |
2107 | |
2108 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2109 | result = cfg80211_dev_rename( |
2110 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2111 | |
4bbf4d56 | 2112 | if (result) |
7f2b8562 | 2113 | return result; |
31888487 JM |
2114 | |
2115 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2116 | struct ieee80211_txq_params txq_params; | |
2117 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2118 | ||
7f2b8562 YX |
2119 | if (!rdev->ops->set_txq_params) |
2120 | return -EOPNOTSUPP; | |
31888487 | 2121 | |
7f2b8562 YX |
2122 | if (!netdev) |
2123 | return -EINVAL; | |
f70f01c2 | 2124 | |
133a3ff2 | 2125 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2126 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2127 | return -EINVAL; | |
133a3ff2 | 2128 | |
7f2b8562 YX |
2129 | if (!netif_running(netdev)) |
2130 | return -ENETDOWN; | |
2b5f8b0b | 2131 | |
31888487 JM |
2132 | nla_for_each_nested(nl_txq_params, |
2133 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2134 | rem_txq_params) { | |
ae811e21 JB |
2135 | result = nla_parse(tb, NL80211_TXQ_ATTR_MAX, |
2136 | nla_data(nl_txq_params), | |
2137 | nla_len(nl_txq_params), | |
2138 | txq_params_policy); | |
2139 | if (result) | |
2140 | return result; | |
31888487 JM |
2141 | result = parse_txq_params(tb, &txq_params); |
2142 | if (result) | |
7f2b8562 | 2143 | return result; |
31888487 | 2144 | |
e35e4d28 HG |
2145 | result = rdev_set_txq_params(rdev, netdev, |
2146 | &txq_params); | |
31888487 | 2147 | if (result) |
7f2b8562 | 2148 | return result; |
31888487 JM |
2149 | } |
2150 | } | |
55682965 | 2151 | |
72bdcf34 | 2152 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
2153 | result = __nl80211_set_channel( |
2154 | rdev, | |
2155 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
2156 | info); | |
72bdcf34 | 2157 | if (result) |
7f2b8562 | 2158 | return result; |
72bdcf34 JM |
2159 | } |
2160 | ||
98d2ff8b | 2161 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2162 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2163 | enum nl80211_tx_power_setting type; |
2164 | int idx, mbm = 0; | |
2165 | ||
c8442118 JB |
2166 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2167 | txp_wdev = NULL; | |
2168 | ||
7f2b8562 YX |
2169 | if (!rdev->ops->set_tx_power) |
2170 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2171 | |
2172 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2173 | type = nla_get_u32(info->attrs[idx]); | |
2174 | ||
2175 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2176 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2177 | return -EINVAL; | |
98d2ff8b JO |
2178 | |
2179 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2180 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2181 | mbm = nla_get_u32(info->attrs[idx]); | |
2182 | } | |
2183 | ||
c8442118 | 2184 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2185 | if (result) |
7f2b8562 | 2186 | return result; |
98d2ff8b JO |
2187 | } |
2188 | ||
afe0cbf8 BR |
2189 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2190 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2191 | u32 tx_ant, rx_ant; | |
7f531e03 BR |
2192 | if ((!rdev->wiphy.available_antennas_tx && |
2193 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2194 | !rdev->ops->set_antenna) |
2195 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2196 | |
2197 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2198 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2199 | ||
a7ffac95 | 2200 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2201 | * available antenna masks, except for the "all" mask */ |
2202 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2203 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2204 | return -EINVAL; | |
a7ffac95 | 2205 | |
7f531e03 BR |
2206 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2207 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2208 | |
e35e4d28 | 2209 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2210 | if (result) |
7f2b8562 | 2211 | return result; |
afe0cbf8 BR |
2212 | } |
2213 | ||
b9a5f8ca JM |
2214 | changed = 0; |
2215 | ||
2216 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2217 | retry_short = nla_get_u8( | |
2218 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2219 | if (retry_short == 0) |
2220 | return -EINVAL; | |
2221 | ||
b9a5f8ca JM |
2222 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2223 | } | |
2224 | ||
2225 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2226 | retry_long = nla_get_u8( | |
2227 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2228 | if (retry_long == 0) |
2229 | return -EINVAL; | |
2230 | ||
b9a5f8ca JM |
2231 | changed |= WIPHY_PARAM_RETRY_LONG; |
2232 | } | |
2233 | ||
2234 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2235 | frag_threshold = nla_get_u32( | |
2236 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2237 | if (frag_threshold < 256) |
2238 | return -EINVAL; | |
2239 | ||
b9a5f8ca JM |
2240 | if (frag_threshold != (u32) -1) { |
2241 | /* | |
2242 | * Fragments (apart from the last one) are required to | |
2243 | * have even length. Make the fragmentation code | |
2244 | * simpler by stripping LSB should someone try to use | |
2245 | * odd threshold value. | |
2246 | */ | |
2247 | frag_threshold &= ~0x1; | |
2248 | } | |
2249 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2250 | } | |
2251 | ||
2252 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2253 | rts_threshold = nla_get_u32( | |
2254 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2255 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2256 | } | |
2257 | ||
81077e82 | 2258 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
3057dbfd LB |
2259 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) |
2260 | return -EINVAL; | |
2261 | ||
81077e82 LT |
2262 | coverage_class = nla_get_u8( |
2263 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2264 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2265 | } | |
2266 | ||
3057dbfd LB |
2267 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { |
2268 | if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) | |
2269 | return -EOPNOTSUPP; | |
2270 | ||
2271 | changed |= WIPHY_PARAM_DYN_ACK; | |
81077e82 LT |
2272 | } |
2273 | ||
b9a5f8ca JM |
2274 | if (changed) { |
2275 | u8 old_retry_short, old_retry_long; | |
2276 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2277 | u8 old_coverage_class; |
b9a5f8ca | 2278 | |
7f2b8562 YX |
2279 | if (!rdev->ops->set_wiphy_params) |
2280 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2281 | |
2282 | old_retry_short = rdev->wiphy.retry_short; | |
2283 | old_retry_long = rdev->wiphy.retry_long; | |
2284 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2285 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2286 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2287 | |
2288 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2289 | rdev->wiphy.retry_short = retry_short; | |
2290 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2291 | rdev->wiphy.retry_long = retry_long; | |
2292 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2293 | rdev->wiphy.frag_threshold = frag_threshold; | |
2294 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2295 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2296 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2297 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2298 | |
e35e4d28 | 2299 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2300 | if (result) { |
2301 | rdev->wiphy.retry_short = old_retry_short; | |
2302 | rdev->wiphy.retry_long = old_retry_long; | |
2303 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2304 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2305 | rdev->wiphy.coverage_class = old_coverage_class; |
b9a5f8ca JM |
2306 | } |
2307 | } | |
7f2b8562 | 2308 | return 0; |
55682965 JB |
2309 | } |
2310 | ||
71bbc994 JB |
2311 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2312 | { | |
2313 | return (u64)wdev->identifier | | |
f26cbf40 | 2314 | ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); |
71bbc994 | 2315 | } |
55682965 | 2316 | |
683b6d3b | 2317 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2318 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2319 | { |
9f5e8f6e | 2320 | WARN_ON(!cfg80211_chandef_valid(chandef)); |
3d9d1d66 | 2321 | |
683b6d3b JB |
2322 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2323 | chandef->chan->center_freq)) | |
2324 | return -ENOBUFS; | |
3d9d1d66 JB |
2325 | switch (chandef->width) { |
2326 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2327 | case NL80211_CHAN_WIDTH_20: | |
2328 | case NL80211_CHAN_WIDTH_40: | |
2329 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2330 | cfg80211_get_chandef_type(chandef))) | |
2331 | return -ENOBUFS; | |
2332 | break; | |
2333 | default: | |
2334 | break; | |
2335 | } | |
2336 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2337 | return -ENOBUFS; | |
2338 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2339 | return -ENOBUFS; | |
2340 | if (chandef->center_freq2 && | |
2341 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2342 | return -ENOBUFS; |
2343 | return 0; | |
2344 | } | |
2345 | ||
15e47304 | 2346 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2347 | struct cfg80211_registered_device *rdev, |
8f894be2 | 2348 | struct wireless_dev *wdev, bool removal) |
55682965 | 2349 | { |
72fb2abc | 2350 | struct net_device *dev = wdev->netdev; |
8f894be2 | 2351 | u8 cmd = NL80211_CMD_NEW_INTERFACE; |
55682965 JB |
2352 | void *hdr; |
2353 | ||
8f894be2 TB |
2354 | if (removal) |
2355 | cmd = NL80211_CMD_DEL_INTERFACE; | |
2356 | ||
2357 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); | |
55682965 JB |
2358 | if (!hdr) |
2359 | return -1; | |
2360 | ||
72fb2abc JB |
2361 | if (dev && |
2362 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2363 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2364 | goto nla_put_failure; |
2365 | ||
2366 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2367 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2368 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2369 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2370 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2371 | rdev->devlist_generation ^ | |
2372 | (cfg80211_rdev_list_generation << 2))) | |
2373 | goto nla_put_failure; | |
f5ea9120 | 2374 | |
5b7ccaf3 | 2375 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2376 | int ret; |
2377 | struct cfg80211_chan_def chandef; | |
2378 | ||
2379 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2380 | if (ret == 0) { | |
2381 | if (nl80211_send_chandef(msg, &chandef)) | |
2382 | goto nla_put_failure; | |
2383 | } | |
d91df0e3 PF |
2384 | } |
2385 | ||
b84e7a05 AQ |
2386 | if (wdev->ssid_len) { |
2387 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2388 | goto nla_put_failure; | |
2389 | } | |
2390 | ||
55682965 JB |
2391 | return genlmsg_end(msg, hdr); |
2392 | ||
2393 | nla_put_failure: | |
bc3ed28c TG |
2394 | genlmsg_cancel(msg, hdr); |
2395 | return -EMSGSIZE; | |
55682965 JB |
2396 | } |
2397 | ||
2398 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2399 | { | |
2400 | int wp_idx = 0; | |
2401 | int if_idx = 0; | |
2402 | int wp_start = cb->args[0]; | |
2403 | int if_start = cb->args[1]; | |
f5ea9120 | 2404 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2405 | struct wireless_dev *wdev; |
2406 | ||
5fe231e8 | 2407 | rtnl_lock(); |
f5ea9120 JB |
2408 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2409 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2410 | continue; |
bba95fef JB |
2411 | if (wp_idx < wp_start) { |
2412 | wp_idx++; | |
55682965 | 2413 | continue; |
bba95fef | 2414 | } |
55682965 JB |
2415 | if_idx = 0; |
2416 | ||
89a54e48 | 2417 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2418 | if (if_idx < if_start) { |
2419 | if_idx++; | |
55682965 | 2420 | continue; |
bba95fef | 2421 | } |
15e47304 | 2422 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2423 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8f894be2 | 2424 | rdev, wdev, false) < 0) { |
bba95fef JB |
2425 | goto out; |
2426 | } | |
2427 | if_idx++; | |
55682965 | 2428 | } |
bba95fef JB |
2429 | |
2430 | wp_idx++; | |
55682965 | 2431 | } |
bba95fef | 2432 | out: |
5fe231e8 | 2433 | rtnl_unlock(); |
55682965 JB |
2434 | |
2435 | cb->args[0] = wp_idx; | |
2436 | cb->args[1] = if_idx; | |
2437 | ||
2438 | return skb->len; | |
2439 | } | |
2440 | ||
2441 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2442 | { | |
2443 | struct sk_buff *msg; | |
1b8ec87a | 2444 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2445 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2446 | |
fd2120ca | 2447 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2448 | if (!msg) |
4c476991 | 2449 | return -ENOMEM; |
55682965 | 2450 | |
15e47304 | 2451 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2452 | rdev, wdev, false) < 0) { |
4c476991 JB |
2453 | nlmsg_free(msg); |
2454 | return -ENOBUFS; | |
2455 | } | |
55682965 | 2456 | |
134e6375 | 2457 | return genlmsg_reply(msg, info); |
55682965 JB |
2458 | } |
2459 | ||
66f7ac50 MW |
2460 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2461 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2462 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2463 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2464 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2465 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2466 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2467 | }; |
2468 | ||
2469 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2470 | { | |
2471 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2472 | int flag; | |
2473 | ||
2474 | *mntrflags = 0; | |
2475 | ||
2476 | if (!nla) | |
2477 | return -EINVAL; | |
2478 | ||
2479 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2480 | nla, mntr_flags_policy)) | |
2481 | return -EINVAL; | |
2482 | ||
2483 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2484 | if (flags[flag]) | |
2485 | *mntrflags |= (1<<flag); | |
2486 | ||
2487 | return 0; | |
2488 | } | |
2489 | ||
9bc383de | 2490 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2491 | struct net_device *netdev, u8 use_4addr, |
2492 | enum nl80211_iftype iftype) | |
9bc383de | 2493 | { |
ad4bb6f8 | 2494 | if (!use_4addr) { |
f350a0a8 | 2495 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2496 | return -EBUSY; |
9bc383de | 2497 | return 0; |
ad4bb6f8 | 2498 | } |
9bc383de JB |
2499 | |
2500 | switch (iftype) { | |
2501 | case NL80211_IFTYPE_AP_VLAN: | |
2502 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2503 | return 0; | |
2504 | break; | |
2505 | case NL80211_IFTYPE_STATION: | |
2506 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2507 | return 0; | |
2508 | break; | |
2509 | default: | |
2510 | break; | |
2511 | } | |
2512 | ||
2513 | return -EOPNOTSUPP; | |
2514 | } | |
2515 | ||
55682965 JB |
2516 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2517 | { | |
4c476991 | 2518 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2519 | struct vif_params params; |
e36d56b6 | 2520 | int err; |
04a773ad | 2521 | enum nl80211_iftype otype, ntype; |
4c476991 | 2522 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2523 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2524 | bool change = false; |
55682965 | 2525 | |
2ec600d6 LCC |
2526 | memset(¶ms, 0, sizeof(params)); |
2527 | ||
04a773ad | 2528 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2529 | |
723b038d | 2530 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2531 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2532 | if (otype != ntype) |
ac7f9cfa | 2533 | change = true; |
4c476991 JB |
2534 | if (ntype > NL80211_IFTYPE_MAX) |
2535 | return -EINVAL; | |
723b038d JB |
2536 | } |
2537 | ||
92ffe055 | 2538 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2539 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2540 | ||
4c476991 JB |
2541 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2542 | return -EINVAL; | |
29cbe68c JB |
2543 | if (netif_running(dev)) |
2544 | return -EBUSY; | |
2545 | ||
2546 | wdev_lock(wdev); | |
2547 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2548 | IEEE80211_MAX_MESH_ID_LEN); | |
2549 | wdev->mesh_id_up_len = | |
2550 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2551 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2552 | wdev->mesh_id_up_len); | |
2553 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2554 | } |
2555 | ||
8b787643 FF |
2556 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2557 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2558 | change = true; | |
ad4bb6f8 | 2559 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2560 | if (err) |
4c476991 | 2561 | return err; |
8b787643 FF |
2562 | } else { |
2563 | params.use_4addr = -1; | |
2564 | } | |
2565 | ||
92ffe055 | 2566 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2567 | if (ntype != NL80211_IFTYPE_MONITOR) |
2568 | return -EINVAL; | |
92ffe055 JB |
2569 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2570 | &_flags); | |
ac7f9cfa | 2571 | if (err) |
4c476991 | 2572 | return err; |
ac7f9cfa JB |
2573 | |
2574 | flags = &_flags; | |
2575 | change = true; | |
92ffe055 | 2576 | } |
3b85875a | 2577 | |
18003297 | 2578 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2579 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2580 | return -EOPNOTSUPP; | |
2581 | ||
ac7f9cfa | 2582 | if (change) |
3d54d255 | 2583 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2584 | else |
2585 | err = 0; | |
60719ffd | 2586 | |
9bc383de JB |
2587 | if (!err && params.use_4addr != -1) |
2588 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2589 | ||
55682965 JB |
2590 | return err; |
2591 | } | |
2592 | ||
2593 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2594 | { | |
4c476991 | 2595 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2596 | struct vif_params params; |
84efbb84 | 2597 | struct wireless_dev *wdev; |
8f894be2 | 2598 | struct sk_buff *msg, *event; |
55682965 JB |
2599 | int err; |
2600 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2601 | u32 flags; |
55682965 | 2602 | |
78f22b6a JB |
2603 | /* to avoid failing a new interface creation due to pending removal */ |
2604 | cfg80211_destroy_ifaces(rdev); | |
2605 | ||
2ec600d6 LCC |
2606 | memset(¶ms, 0, sizeof(params)); |
2607 | ||
55682965 JB |
2608 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2609 | return -EINVAL; | |
2610 | ||
2611 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2612 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2613 | if (type > NL80211_IFTYPE_MAX) | |
2614 | return -EINVAL; | |
2615 | } | |
2616 | ||
79c97e97 | 2617 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2618 | !(rdev->wiphy.interface_modes & (1 << type))) |
2619 | return -EOPNOTSUPP; | |
55682965 | 2620 | |
e8f479b1 BG |
2621 | if ((type == NL80211_IFTYPE_P2P_DEVICE || |
2622 | rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) && | |
2623 | info->attrs[NL80211_ATTR_MAC]) { | |
1c18f145 AS |
2624 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], |
2625 | ETH_ALEN); | |
2626 | if (!is_valid_ether_addr(params.macaddr)) | |
2627 | return -EADDRNOTAVAIL; | |
2628 | } | |
2629 | ||
9bc383de | 2630 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2631 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2632 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2633 | if (err) |
4c476991 | 2634 | return err; |
9bc383de | 2635 | } |
8b787643 | 2636 | |
1c90f9d4 JB |
2637 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2638 | if (!msg) | |
2639 | return -ENOMEM; | |
2640 | ||
66f7ac50 MW |
2641 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2642 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2643 | &flags); | |
e057d3c3 | 2644 | |
18003297 | 2645 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2646 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2647 | return -EOPNOTSUPP; | |
2648 | ||
e35e4d28 HG |
2649 | wdev = rdev_add_virtual_intf(rdev, |
2650 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2651 | type, err ? NULL : &flags, ¶ms); | |
d687cbb7 RM |
2652 | if (WARN_ON(!wdev)) { |
2653 | nlmsg_free(msg); | |
2654 | return -EPROTO; | |
2655 | } else if (IS_ERR(wdev)) { | |
1c90f9d4 | 2656 | nlmsg_free(msg); |
84efbb84 | 2657 | return PTR_ERR(wdev); |
1c90f9d4 | 2658 | } |
2ec600d6 | 2659 | |
18e5ca65 | 2660 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
78f22b6a JB |
2661 | wdev->owner_nlportid = info->snd_portid; |
2662 | ||
98104fde JB |
2663 | switch (type) { |
2664 | case NL80211_IFTYPE_MESH_POINT: | |
2665 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2666 | break; | |
29cbe68c JB |
2667 | wdev_lock(wdev); |
2668 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2669 | IEEE80211_MAX_MESH_ID_LEN); | |
2670 | wdev->mesh_id_up_len = | |
2671 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2672 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2673 | wdev->mesh_id_up_len); | |
2674 | wdev_unlock(wdev); | |
98104fde JB |
2675 | break; |
2676 | case NL80211_IFTYPE_P2P_DEVICE: | |
2677 | /* | |
2678 | * P2P Device doesn't have a netdev, so doesn't go | |
2679 | * through the netdev notifier and must be added here | |
2680 | */ | |
2681 | mutex_init(&wdev->mtx); | |
2682 | INIT_LIST_HEAD(&wdev->event_list); | |
2683 | spin_lock_init(&wdev->event_lock); | |
2684 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2685 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2686 | ||
98104fde JB |
2687 | wdev->identifier = ++rdev->wdev_id; |
2688 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2689 | rdev->devlist_generation++; | |
98104fde JB |
2690 | break; |
2691 | default: | |
2692 | break; | |
29cbe68c JB |
2693 | } |
2694 | ||
15e47304 | 2695 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2696 | rdev, wdev, false) < 0) { |
1c90f9d4 JB |
2697 | nlmsg_free(msg); |
2698 | return -ENOBUFS; | |
2699 | } | |
2700 | ||
8f894be2 TB |
2701 | event = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2702 | if (event) { | |
2703 | if (nl80211_send_iface(event, 0, 0, 0, | |
2704 | rdev, wdev, false) < 0) { | |
2705 | nlmsg_free(event); | |
2706 | goto out; | |
2707 | } | |
2708 | ||
2709 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
2710 | event, 0, NL80211_MCGRP_CONFIG, | |
2711 | GFP_KERNEL); | |
2712 | } | |
2713 | ||
2714 | out: | |
1c90f9d4 | 2715 | return genlmsg_reply(msg, info); |
55682965 JB |
2716 | } |
2717 | ||
2718 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2719 | { | |
4c476991 | 2720 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2721 | struct wireless_dev *wdev = info->user_ptr[1]; |
8f894be2 TB |
2722 | struct sk_buff *msg; |
2723 | int status; | |
55682965 | 2724 | |
4c476991 JB |
2725 | if (!rdev->ops->del_virtual_intf) |
2726 | return -EOPNOTSUPP; | |
55682965 | 2727 | |
8f894be2 TB |
2728 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2729 | if (msg && nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, true) < 0) { | |
2730 | nlmsg_free(msg); | |
2731 | msg = NULL; | |
2732 | } | |
2733 | ||
84efbb84 JB |
2734 | /* |
2735 | * If we remove a wireless device without a netdev then clear | |
2736 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2737 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2738 | * since the wdev has been freed, unlike with a netdev where | |
2739 | * we need the dev_put() for the netdev to really be freed. | |
2740 | */ | |
2741 | if (!wdev->netdev) | |
2742 | info->user_ptr[1] = NULL; | |
2743 | ||
8f894be2 TB |
2744 | status = rdev_del_virtual_intf(rdev, wdev); |
2745 | if (status >= 0 && msg) | |
2746 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
2747 | msg, 0, NL80211_MCGRP_CONFIG, | |
2748 | GFP_KERNEL); | |
2749 | else | |
2750 | nlmsg_free(msg); | |
2751 | ||
2752 | return status; | |
55682965 JB |
2753 | } |
2754 | ||
1d9d9213 SW |
2755 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2756 | { | |
2757 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2758 | struct net_device *dev = info->user_ptr[1]; | |
2759 | u16 noack_map; | |
2760 | ||
2761 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2762 | return -EINVAL; | |
2763 | ||
2764 | if (!rdev->ops->set_noack_map) | |
2765 | return -EOPNOTSUPP; | |
2766 | ||
2767 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2768 | ||
e35e4d28 | 2769 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2770 | } |
2771 | ||
41ade00f JB |
2772 | struct get_key_cookie { |
2773 | struct sk_buff *msg; | |
2774 | int error; | |
b9454e83 | 2775 | int idx; |
41ade00f JB |
2776 | }; |
2777 | ||
2778 | static void get_key_callback(void *c, struct key_params *params) | |
2779 | { | |
b9454e83 | 2780 | struct nlattr *key; |
41ade00f JB |
2781 | struct get_key_cookie *cookie = c; |
2782 | ||
9360ffd1 DM |
2783 | if ((params->key && |
2784 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2785 | params->key_len, params->key)) || | |
2786 | (params->seq && | |
2787 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2788 | params->seq_len, params->seq)) || | |
2789 | (params->cipher && | |
2790 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2791 | params->cipher))) | |
2792 | goto nla_put_failure; | |
41ade00f | 2793 | |
b9454e83 JB |
2794 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2795 | if (!key) | |
2796 | goto nla_put_failure; | |
2797 | ||
9360ffd1 DM |
2798 | if ((params->key && |
2799 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2800 | params->key_len, params->key)) || | |
2801 | (params->seq && | |
2802 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2803 | params->seq_len, params->seq)) || | |
2804 | (params->cipher && | |
2805 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2806 | params->cipher))) | |
2807 | goto nla_put_failure; | |
b9454e83 | 2808 | |
9360ffd1 DM |
2809 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2810 | goto nla_put_failure; | |
b9454e83 JB |
2811 | |
2812 | nla_nest_end(cookie->msg, key); | |
2813 | ||
41ade00f JB |
2814 | return; |
2815 | nla_put_failure: | |
2816 | cookie->error = 1; | |
2817 | } | |
2818 | ||
2819 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2820 | { | |
4c476991 | 2821 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2822 | int err; |
4c476991 | 2823 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2824 | u8 key_idx = 0; |
e31b8213 JB |
2825 | const u8 *mac_addr = NULL; |
2826 | bool pairwise; | |
41ade00f JB |
2827 | struct get_key_cookie cookie = { |
2828 | .error = 0, | |
2829 | }; | |
2830 | void *hdr; | |
2831 | struct sk_buff *msg; | |
2832 | ||
2833 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2834 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2835 | ||
3cfcf6ac | 2836 | if (key_idx > 5) |
41ade00f JB |
2837 | return -EINVAL; |
2838 | ||
2839 | if (info->attrs[NL80211_ATTR_MAC]) | |
2840 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2841 | ||
e31b8213 JB |
2842 | pairwise = !!mac_addr; |
2843 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2844 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2845 | if (kt >= NUM_NL80211_KEYTYPES) | |
2846 | return -EINVAL; | |
2847 | if (kt != NL80211_KEYTYPE_GROUP && | |
2848 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2849 | return -EINVAL; | |
2850 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2851 | } | |
2852 | ||
4c476991 JB |
2853 | if (!rdev->ops->get_key) |
2854 | return -EOPNOTSUPP; | |
41ade00f | 2855 | |
fd2120ca | 2856 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2857 | if (!msg) |
2858 | return -ENOMEM; | |
41ade00f | 2859 | |
15e47304 | 2860 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2861 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 2862 | if (!hdr) |
9fe271af | 2863 | goto nla_put_failure; |
41ade00f JB |
2864 | |
2865 | cookie.msg = msg; | |
b9454e83 | 2866 | cookie.idx = key_idx; |
41ade00f | 2867 | |
9360ffd1 DM |
2868 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2869 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2870 | goto nla_put_failure; | |
2871 | if (mac_addr && | |
2872 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2873 | goto nla_put_failure; | |
41ade00f | 2874 | |
e31b8213 JB |
2875 | if (pairwise && mac_addr && |
2876 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2877 | return -ENOENT; | |
2878 | ||
e35e4d28 HG |
2879 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2880 | get_key_callback); | |
41ade00f JB |
2881 | |
2882 | if (err) | |
6c95e2a2 | 2883 | goto free_msg; |
41ade00f JB |
2884 | |
2885 | if (cookie.error) | |
2886 | goto nla_put_failure; | |
2887 | ||
2888 | genlmsg_end(msg, hdr); | |
4c476991 | 2889 | return genlmsg_reply(msg, info); |
41ade00f JB |
2890 | |
2891 | nla_put_failure: | |
2892 | err = -ENOBUFS; | |
6c95e2a2 | 2893 | free_msg: |
41ade00f | 2894 | nlmsg_free(msg); |
41ade00f JB |
2895 | return err; |
2896 | } | |
2897 | ||
2898 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2899 | { | |
4c476991 | 2900 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2901 | struct key_parse key; |
41ade00f | 2902 | int err; |
4c476991 | 2903 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2904 | |
b9454e83 JB |
2905 | err = nl80211_parse_key(info, &key); |
2906 | if (err) | |
2907 | return err; | |
41ade00f | 2908 | |
b9454e83 | 2909 | if (key.idx < 0) |
41ade00f JB |
2910 | return -EINVAL; |
2911 | ||
b9454e83 JB |
2912 | /* only support setting default key */ |
2913 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2914 | return -EINVAL; |
2915 | ||
dbd2fd65 | 2916 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2917 | |
dbd2fd65 JB |
2918 | if (key.def) { |
2919 | if (!rdev->ops->set_default_key) { | |
2920 | err = -EOPNOTSUPP; | |
2921 | goto out; | |
2922 | } | |
41ade00f | 2923 | |
dbd2fd65 JB |
2924 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2925 | if (err) | |
2926 | goto out; | |
2927 | ||
e35e4d28 | 2928 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2929 | key.def_uni, key.def_multi); |
2930 | ||
2931 | if (err) | |
2932 | goto out; | |
fffd0934 | 2933 | |
3d23e349 | 2934 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2935 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2936 | #endif | |
2937 | } else { | |
2938 | if (key.def_uni || !key.def_multi) { | |
2939 | err = -EINVAL; | |
2940 | goto out; | |
2941 | } | |
2942 | ||
2943 | if (!rdev->ops->set_default_mgmt_key) { | |
2944 | err = -EOPNOTSUPP; | |
2945 | goto out; | |
2946 | } | |
2947 | ||
2948 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2949 | if (err) | |
2950 | goto out; | |
2951 | ||
e35e4d28 | 2952 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2953 | if (err) |
2954 | goto out; | |
2955 | ||
2956 | #ifdef CONFIG_CFG80211_WEXT | |
2957 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2958 | #endif |
dbd2fd65 JB |
2959 | } |
2960 | ||
2961 | out: | |
fffd0934 | 2962 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2963 | |
41ade00f JB |
2964 | return err; |
2965 | } | |
2966 | ||
2967 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2968 | { | |
4c476991 | 2969 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2970 | int err; |
4c476991 | 2971 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2972 | struct key_parse key; |
e31b8213 | 2973 | const u8 *mac_addr = NULL; |
41ade00f | 2974 | |
b9454e83 JB |
2975 | err = nl80211_parse_key(info, &key); |
2976 | if (err) | |
2977 | return err; | |
41ade00f | 2978 | |
b9454e83 | 2979 | if (!key.p.key) |
41ade00f JB |
2980 | return -EINVAL; |
2981 | ||
41ade00f JB |
2982 | if (info->attrs[NL80211_ATTR_MAC]) |
2983 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2984 | ||
e31b8213 JB |
2985 | if (key.type == -1) { |
2986 | if (mac_addr) | |
2987 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2988 | else | |
2989 | key.type = NL80211_KEYTYPE_GROUP; | |
2990 | } | |
2991 | ||
2992 | /* for now */ | |
2993 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2994 | key.type != NL80211_KEYTYPE_GROUP) | |
2995 | return -EINVAL; | |
2996 | ||
4c476991 JB |
2997 | if (!rdev->ops->add_key) |
2998 | return -EOPNOTSUPP; | |
25e47c18 | 2999 | |
e31b8213 JB |
3000 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
3001 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3002 | mac_addr)) | |
4c476991 | 3003 | return -EINVAL; |
41ade00f | 3004 | |
fffd0934 JB |
3005 | wdev_lock(dev->ieee80211_ptr); |
3006 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3007 | if (!err) | |
e35e4d28 HG |
3008 | err = rdev_add_key(rdev, dev, key.idx, |
3009 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3010 | mac_addr, &key.p); | |
fffd0934 | 3011 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3012 | |
41ade00f JB |
3013 | return err; |
3014 | } | |
3015 | ||
3016 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
3017 | { | |
4c476991 | 3018 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3019 | int err; |
4c476991 | 3020 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3021 | u8 *mac_addr = NULL; |
b9454e83 | 3022 | struct key_parse key; |
41ade00f | 3023 | |
b9454e83 JB |
3024 | err = nl80211_parse_key(info, &key); |
3025 | if (err) | |
3026 | return err; | |
41ade00f JB |
3027 | |
3028 | if (info->attrs[NL80211_ATTR_MAC]) | |
3029 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3030 | ||
e31b8213 JB |
3031 | if (key.type == -1) { |
3032 | if (mac_addr) | |
3033 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3034 | else | |
3035 | key.type = NL80211_KEYTYPE_GROUP; | |
3036 | } | |
3037 | ||
3038 | /* for now */ | |
3039 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3040 | key.type != NL80211_KEYTYPE_GROUP) | |
3041 | return -EINVAL; | |
3042 | ||
4c476991 JB |
3043 | if (!rdev->ops->del_key) |
3044 | return -EOPNOTSUPP; | |
41ade00f | 3045 | |
fffd0934 JB |
3046 | wdev_lock(dev->ieee80211_ptr); |
3047 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
3048 | |
3049 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
3050 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
3051 | err = -ENOENT; | |
3052 | ||
fffd0934 | 3053 | if (!err) |
e35e4d28 HG |
3054 | err = rdev_del_key(rdev, dev, key.idx, |
3055 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3056 | mac_addr); | |
41ade00f | 3057 | |
3d23e349 | 3058 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 3059 | if (!err) { |
b9454e83 | 3060 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 3061 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 3062 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
3063 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
3064 | } | |
3065 | #endif | |
fffd0934 | 3066 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3067 | |
41ade00f JB |
3068 | return err; |
3069 | } | |
3070 | ||
77765eaf VT |
3071 | /* This function returns an error or the number of nested attributes */ |
3072 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3073 | { | |
3074 | struct nlattr *attr; | |
3075 | int n_entries = 0, tmp; | |
3076 | ||
3077 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3078 | if (nla_len(attr) != ETH_ALEN) | |
3079 | return -EINVAL; | |
3080 | ||
3081 | n_entries++; | |
3082 | } | |
3083 | ||
3084 | return n_entries; | |
3085 | } | |
3086 | ||
3087 | /* | |
3088 | * This function parses ACL information and allocates memory for ACL data. | |
3089 | * On successful return, the calling function is responsible to free the | |
3090 | * ACL buffer returned by this function. | |
3091 | */ | |
3092 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3093 | struct genl_info *info) | |
3094 | { | |
3095 | enum nl80211_acl_policy acl_policy; | |
3096 | struct nlattr *attr; | |
3097 | struct cfg80211_acl_data *acl; | |
3098 | int i = 0, n_entries, tmp; | |
3099 | ||
3100 | if (!wiphy->max_acl_mac_addrs) | |
3101 | return ERR_PTR(-EOPNOTSUPP); | |
3102 | ||
3103 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3104 | return ERR_PTR(-EINVAL); | |
3105 | ||
3106 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3107 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3108 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3109 | return ERR_PTR(-EINVAL); | |
3110 | ||
3111 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3112 | return ERR_PTR(-EINVAL); | |
3113 | ||
3114 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3115 | if (n_entries < 0) | |
3116 | return ERR_PTR(n_entries); | |
3117 | ||
3118 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3119 | return ERR_PTR(-ENOTSUPP); | |
3120 | ||
3121 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3122 | GFP_KERNEL); | |
3123 | if (!acl) | |
3124 | return ERR_PTR(-ENOMEM); | |
3125 | ||
3126 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3127 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3128 | i++; | |
3129 | } | |
3130 | ||
3131 | acl->n_acl_entries = n_entries; | |
3132 | acl->acl_policy = acl_policy; | |
3133 | ||
3134 | return acl; | |
3135 | } | |
3136 | ||
3137 | static int nl80211_set_mac_acl(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 cfg80211_acl_data *acl; | |
3142 | int err; | |
3143 | ||
3144 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3145 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3146 | return -EOPNOTSUPP; | |
3147 | ||
3148 | if (!dev->ieee80211_ptr->beacon_interval) | |
3149 | return -EINVAL; | |
3150 | ||
3151 | acl = parse_acl_data(&rdev->wiphy, info); | |
3152 | if (IS_ERR(acl)) | |
3153 | return PTR_ERR(acl); | |
3154 | ||
3155 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3156 | ||
3157 | kfree(acl); | |
3158 | ||
3159 | return err; | |
3160 | } | |
3161 | ||
a1193be8 | 3162 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3163 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3164 | { |
8860020e | 3165 | bool haveinfo = false; |
ed1b6cc7 | 3166 | |
a1193be8 SW |
3167 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3168 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3169 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3170 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3171 | return -EINVAL; |
3172 | ||
8860020e | 3173 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3174 | |
a1193be8 SW |
3175 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3176 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3177 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3178 | if (!bcn->head_len) |
3179 | return -EINVAL; | |
3180 | haveinfo = true; | |
ed1b6cc7 JB |
3181 | } |
3182 | ||
a1193be8 SW |
3183 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3184 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3185 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3186 | haveinfo = true; |
ed1b6cc7 JB |
3187 | } |
3188 | ||
4c476991 JB |
3189 | if (!haveinfo) |
3190 | return -EINVAL; | |
3b85875a | 3191 | |
a1193be8 SW |
3192 | if (attrs[NL80211_ATTR_IE]) { |
3193 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3194 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3195 | } |
3196 | ||
a1193be8 | 3197 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3198 | bcn->proberesp_ies = |
a1193be8 | 3199 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3200 | bcn->proberesp_ies_len = |
a1193be8 | 3201 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3202 | } |
3203 | ||
a1193be8 | 3204 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3205 | bcn->assocresp_ies = |
a1193be8 | 3206 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3207 | bcn->assocresp_ies_len = |
a1193be8 | 3208 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3209 | } |
3210 | ||
a1193be8 SW |
3211 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3212 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3213 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3214 | } |
3215 | ||
8860020e JB |
3216 | return 0; |
3217 | } | |
3218 | ||
46c1dd0c FF |
3219 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3220 | struct cfg80211_ap_settings *params) | |
3221 | { | |
3222 | struct wireless_dev *wdev; | |
3223 | bool ret = false; | |
3224 | ||
89a54e48 | 3225 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
3226 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3227 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3228 | continue; | |
3229 | ||
683b6d3b | 3230 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3231 | continue; |
3232 | ||
683b6d3b | 3233 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3234 | ret = true; |
3235 | break; | |
3236 | } | |
3237 | ||
46c1dd0c FF |
3238 | return ret; |
3239 | } | |
3240 | ||
e39e5b5e JM |
3241 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3242 | enum nl80211_auth_type auth_type, | |
3243 | enum nl80211_commands cmd) | |
3244 | { | |
3245 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3246 | return false; | |
3247 | ||
3248 | switch (cmd) { | |
3249 | case NL80211_CMD_AUTHENTICATE: | |
3250 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3251 | auth_type == NL80211_AUTHTYPE_SAE) | |
3252 | return false; | |
3253 | return true; | |
3254 | case NL80211_CMD_CONNECT: | |
3255 | case NL80211_CMD_START_AP: | |
3256 | /* SAE not supported yet */ | |
3257 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3258 | return false; | |
3259 | return true; | |
3260 | default: | |
3261 | return false; | |
3262 | } | |
3263 | } | |
3264 | ||
8860020e JB |
3265 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3266 | { | |
3267 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3268 | struct net_device *dev = info->user_ptr[1]; | |
3269 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3270 | struct cfg80211_ap_settings params; | |
3271 | int err; | |
3272 | ||
3273 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3274 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3275 | return -EOPNOTSUPP; | |
3276 | ||
3277 | if (!rdev->ops->start_ap) | |
3278 | return -EOPNOTSUPP; | |
3279 | ||
3280 | if (wdev->beacon_interval) | |
3281 | return -EALREADY; | |
3282 | ||
3283 | memset(¶ms, 0, sizeof(params)); | |
3284 | ||
3285 | /* these are required for START_AP */ | |
3286 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3287 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3288 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3289 | return -EINVAL; | |
3290 | ||
a1193be8 | 3291 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3292 | if (err) |
3293 | return err; | |
3294 | ||
3295 | params.beacon_interval = | |
3296 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3297 | params.dtim_period = | |
3298 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3299 | ||
3300 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3301 | if (err) | |
3302 | return err; | |
3303 | ||
3304 | /* | |
3305 | * In theory, some of these attributes should be required here | |
3306 | * but since they were not used when the command was originally | |
3307 | * added, keep them optional for old user space programs to let | |
3308 | * them continue to work with drivers that do not need the | |
3309 | * additional information -- drivers must check! | |
3310 | */ | |
3311 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3312 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3313 | params.ssid_len = | |
3314 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3315 | if (params.ssid_len == 0 || | |
3316 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3317 | return -EINVAL; | |
3318 | } | |
3319 | ||
3320 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3321 | params.hidden_ssid = nla_get_u32( | |
3322 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3323 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3324 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3325 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3326 | return -EINVAL; | |
3327 | } | |
3328 | ||
3329 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3330 | ||
3331 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3332 | params.auth_type = nla_get_u32( | |
3333 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3334 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3335 | NL80211_CMD_START_AP)) | |
8860020e JB |
3336 | return -EINVAL; |
3337 | } else | |
3338 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3339 | ||
3340 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3341 | NL80211_MAX_NR_CIPHER_SUITES); | |
3342 | if (err) | |
3343 | return err; | |
3344 | ||
1b658f11 VT |
3345 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3346 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3347 | return -EOPNOTSUPP; | |
3348 | params.inactivity_timeout = nla_get_u16( | |
3349 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3350 | } | |
3351 | ||
53cabad7 JB |
3352 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3353 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3354 | return -EINVAL; | |
3355 | params.p2p_ctwindow = | |
3356 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3357 | if (params.p2p_ctwindow > 127) | |
3358 | return -EINVAL; | |
3359 | if (params.p2p_ctwindow != 0 && | |
3360 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3361 | return -EINVAL; | |
3362 | } | |
3363 | ||
3364 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3365 | u8 tmp; | |
3366 | ||
3367 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3368 | return -EINVAL; | |
3369 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3370 | if (tmp > 1) | |
3371 | return -EINVAL; | |
3372 | params.p2p_opp_ps = tmp; | |
3373 | if (params.p2p_opp_ps != 0 && | |
3374 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3375 | return -EINVAL; | |
3376 | } | |
3377 | ||
aa430da4 | 3378 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3379 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3380 | if (err) | |
3381 | return err; | |
3382 | } else if (wdev->preset_chandef.chan) { | |
3383 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3384 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3385 | return -EINVAL; |
3386 | ||
174e0cd2 IP |
3387 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, |
3388 | wdev->iftype)) | |
aa430da4 JB |
3389 | return -EINVAL; |
3390 | ||
77765eaf VT |
3391 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3392 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3393 | if (IS_ERR(params.acl)) | |
3394 | return PTR_ERR(params.acl); | |
3395 | } | |
3396 | ||
18998c38 EP |
3397 | if (info->attrs[NL80211_ATTR_SMPS_MODE]) { |
3398 | params.smps_mode = | |
3399 | nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); | |
3400 | switch (params.smps_mode) { | |
3401 | case NL80211_SMPS_OFF: | |
3402 | break; | |
3403 | case NL80211_SMPS_STATIC: | |
3404 | if (!(rdev->wiphy.features & | |
3405 | NL80211_FEATURE_STATIC_SMPS)) | |
3406 | return -EINVAL; | |
3407 | break; | |
3408 | case NL80211_SMPS_DYNAMIC: | |
3409 | if (!(rdev->wiphy.features & | |
3410 | NL80211_FEATURE_DYNAMIC_SMPS)) | |
3411 | return -EINVAL; | |
3412 | break; | |
3413 | default: | |
3414 | return -EINVAL; | |
3415 | } | |
3416 | } else { | |
3417 | params.smps_mode = NL80211_SMPS_OFF; | |
3418 | } | |
3419 | ||
c56589ed | 3420 | wdev_lock(wdev); |
e35e4d28 | 3421 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3422 | if (!err) { |
683b6d3b | 3423 | wdev->preset_chandef = params.chandef; |
8860020e | 3424 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 3425 | wdev->chandef = params.chandef; |
06e191e2 AQ |
3426 | wdev->ssid_len = params.ssid_len; |
3427 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3428 | } |
c56589ed | 3429 | wdev_unlock(wdev); |
77765eaf VT |
3430 | |
3431 | kfree(params.acl); | |
3432 | ||
56d1893d | 3433 | return err; |
ed1b6cc7 JB |
3434 | } |
3435 | ||
8860020e JB |
3436 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3437 | { | |
3438 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3439 | struct net_device *dev = info->user_ptr[1]; | |
3440 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3441 | struct cfg80211_beacon_data params; | |
3442 | int err; | |
3443 | ||
3444 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3445 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3446 | return -EOPNOTSUPP; | |
3447 | ||
3448 | if (!rdev->ops->change_beacon) | |
3449 | return -EOPNOTSUPP; | |
3450 | ||
3451 | if (!wdev->beacon_interval) | |
3452 | return -EINVAL; | |
3453 | ||
a1193be8 | 3454 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3455 | if (err) |
3456 | return err; | |
3457 | ||
c56589ed SW |
3458 | wdev_lock(wdev); |
3459 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
3460 | wdev_unlock(wdev); | |
3461 | ||
3462 | return err; | |
8860020e JB |
3463 | } |
3464 | ||
3465 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3466 | { |
4c476991 JB |
3467 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3468 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3469 | |
7c8d5e03 | 3470 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
3471 | } |
3472 | ||
5727ef1b JB |
3473 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3474 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3475 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3476 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3477 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3478 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3479 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3480 | }; |
3481 | ||
eccb8e8f | 3482 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3483 | enum nl80211_iftype iftype, |
eccb8e8f | 3484 | struct station_parameters *params) |
5727ef1b JB |
3485 | { |
3486 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3487 | struct nlattr *nla; |
5727ef1b JB |
3488 | int flag; |
3489 | ||
eccb8e8f JB |
3490 | /* |
3491 | * Try parsing the new attribute first so userspace | |
3492 | * can specify both for older kernels. | |
3493 | */ | |
3494 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3495 | if (nla) { | |
3496 | struct nl80211_sta_flag_update *sta_flags; | |
3497 | ||
3498 | sta_flags = nla_data(nla); | |
3499 | params->sta_flags_mask = sta_flags->mask; | |
3500 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3501 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3502 | if ((params->sta_flags_mask | |
3503 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3504 | return -EINVAL; | |
3505 | return 0; | |
3506 | } | |
3507 | ||
3508 | /* if present, parse the old attribute */ | |
5727ef1b | 3509 | |
eccb8e8f | 3510 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3511 | if (!nla) |
3512 | return 0; | |
3513 | ||
3514 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3515 | nla, sta_flags_policy)) | |
3516 | return -EINVAL; | |
3517 | ||
bdd3ae3d JB |
3518 | /* |
3519 | * Only allow certain flags for interface types so that | |
3520 | * other attributes are silently ignored. Remember that | |
3521 | * this is backward compatibility code with old userspace | |
3522 | * and shouldn't be hit in other cases anyway. | |
3523 | */ | |
3524 | switch (iftype) { | |
3525 | case NL80211_IFTYPE_AP: | |
3526 | case NL80211_IFTYPE_AP_VLAN: | |
3527 | case NL80211_IFTYPE_P2P_GO: | |
3528 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3529 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3530 | BIT(NL80211_STA_FLAG_WME) | | |
3531 | BIT(NL80211_STA_FLAG_MFP); | |
3532 | break; | |
3533 | case NL80211_IFTYPE_P2P_CLIENT: | |
3534 | case NL80211_IFTYPE_STATION: | |
3535 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3536 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3537 | break; | |
3538 | case NL80211_IFTYPE_MESH_POINT: | |
3539 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3540 | BIT(NL80211_STA_FLAG_MFP) | | |
3541 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3542 | default: | |
3543 | return -EINVAL; | |
3544 | } | |
5727ef1b | 3545 | |
3383b5a6 JB |
3546 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3547 | if (flags[flag]) { | |
eccb8e8f | 3548 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3549 | |
3383b5a6 JB |
3550 | /* no longer support new API additions in old API */ |
3551 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3552 | return -EINVAL; | |
3553 | } | |
3554 | } | |
3555 | ||
5727ef1b JB |
3556 | return 0; |
3557 | } | |
3558 | ||
c8dcfd8a FF |
3559 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3560 | int attr) | |
3561 | { | |
3562 | struct nlattr *rate; | |
8eb41c8d VK |
3563 | u32 bitrate; |
3564 | u16 bitrate_compat; | |
c8dcfd8a FF |
3565 | |
3566 | rate = nla_nest_start(msg, attr); | |
3567 | if (!rate) | |
db9c64cf | 3568 | return false; |
c8dcfd8a FF |
3569 | |
3570 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3571 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3572 | /* report 16-bit bitrate only if we can */ |
3573 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3574 | if (bitrate > 0 && |
3575 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3576 | return false; | |
3577 | if (bitrate_compat > 0 && | |
3578 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3579 | return false; | |
3580 | ||
3581 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
3582 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3583 | return false; | |
3584 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3585 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3586 | return false; | |
3587 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3588 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3589 | return false; | |
3590 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3591 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3592 | return false; | |
3593 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3594 | return false; | |
3595 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3596 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3597 | return false; | |
3598 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3599 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3600 | return false; | |
3601 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3602 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3603 | return false; | |
3604 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3605 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3606 | return false; | |
3607 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3608 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3609 | return false; | |
3610 | } | |
c8dcfd8a FF |
3611 | |
3612 | nla_nest_end(msg, rate); | |
3613 | return true; | |
c8dcfd8a FF |
3614 | } |
3615 | ||
119363c7 FF |
3616 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3617 | int id) | |
3618 | { | |
3619 | void *attr; | |
3620 | int i = 0; | |
3621 | ||
3622 | if (!mask) | |
3623 | return true; | |
3624 | ||
3625 | attr = nla_nest_start(msg, id); | |
3626 | if (!attr) | |
3627 | return false; | |
3628 | ||
3629 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3630 | if (!(mask & BIT(i))) | |
3631 | continue; | |
3632 | ||
3633 | if (nla_put_u8(msg, i, signal[i])) | |
3634 | return false; | |
3635 | } | |
3636 | ||
3637 | nla_nest_end(msg, attr); | |
3638 | ||
3639 | return true; | |
3640 | } | |
3641 | ||
15e47304 | 3642 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3643 | int flags, |
3644 | struct cfg80211_registered_device *rdev, | |
3645 | struct net_device *dev, | |
98b62183 | 3646 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3647 | { |
3648 | void *hdr; | |
f4263c98 | 3649 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3650 | |
15e47304 | 3651 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3652 | if (!hdr) |
3653 | return -1; | |
3654 | ||
9360ffd1 DM |
3655 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3656 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3657 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3658 | goto nla_put_failure; | |
f5ea9120 | 3659 | |
2ec600d6 LCC |
3660 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3661 | if (!sinfoattr) | |
fd5b74dc | 3662 | goto nla_put_failure; |
9360ffd1 DM |
3663 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3664 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3665 | sinfo->connected_time)) | |
3666 | goto nla_put_failure; | |
3667 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3668 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3669 | sinfo->inactive_time)) | |
3670 | goto nla_put_failure; | |
42745e03 VK |
3671 | if ((sinfo->filled & (STATION_INFO_RX_BYTES | |
3672 | STATION_INFO_RX_BYTES64)) && | |
9360ffd1 | 3673 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3674 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3675 | goto nla_put_failure; |
42745e03 | 3676 | if ((sinfo->filled & (STATION_INFO_TX_BYTES | |
4325d724 | 3677 | STATION_INFO_TX_BYTES64)) && |
9360ffd1 | 3678 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3679 | (u32)sinfo->tx_bytes)) |
3680 | goto nla_put_failure; | |
3681 | if ((sinfo->filled & STATION_INFO_RX_BYTES64) && | |
3682 | nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, | |
3683 | sinfo->rx_bytes)) | |
3684 | goto nla_put_failure; | |
3685 | if ((sinfo->filled & STATION_INFO_TX_BYTES64) && | |
3686 | nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, | |
9360ffd1 DM |
3687 | sinfo->tx_bytes)) |
3688 | goto nla_put_failure; | |
3689 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3690 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3691 | goto nla_put_failure; | |
3692 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3693 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3694 | goto nla_put_failure; | |
3695 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3696 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3697 | sinfo->plink_state)) | |
3698 | goto nla_put_failure; | |
66266b3a JL |
3699 | switch (rdev->wiphy.signal_type) { |
3700 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3701 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3702 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3703 | sinfo->signal)) | |
3704 | goto nla_put_failure; | |
3705 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3706 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3707 | sinfo->signal_avg)) | |
3708 | goto nla_put_failure; | |
66266b3a JL |
3709 | break; |
3710 | default: | |
3711 | break; | |
3712 | } | |
119363c7 FF |
3713 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { |
3714 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3715 | sinfo->chain_signal, | |
3716 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3717 | goto nla_put_failure; | |
3718 | } | |
3719 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { | |
3720 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3721 | sinfo->chain_signal_avg, | |
3722 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3723 | goto nla_put_failure; | |
3724 | } | |
420e7fab | 3725 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3726 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3727 | NL80211_STA_INFO_TX_BITRATE)) | |
3728 | goto nla_put_failure; | |
3729 | } | |
3730 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3731 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3732 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3733 | goto nla_put_failure; |
420e7fab | 3734 | } |
9360ffd1 DM |
3735 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3736 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3737 | sinfo->rx_packets)) | |
3738 | goto nla_put_failure; | |
3739 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3740 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3741 | sinfo->tx_packets)) | |
3742 | goto nla_put_failure; | |
3743 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3744 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3745 | sinfo->tx_retries)) | |
3746 | goto nla_put_failure; | |
3747 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3748 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3749 | sinfo->tx_failed)) | |
3750 | goto nla_put_failure; | |
867d849f AQ |
3751 | if ((sinfo->filled & STATION_INFO_EXPECTED_THROUGHPUT) && |
3752 | nla_put_u32(msg, NL80211_STA_INFO_EXPECTED_THROUGHPUT, | |
3753 | sinfo->expected_throughput)) | |
3754 | goto nla_put_failure; | |
9360ffd1 DM |
3755 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && |
3756 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3757 | sinfo->beacon_loss_count)) | |
3758 | goto nla_put_failure; | |
3b1c5a53 MP |
3759 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3760 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3761 | sinfo->local_pm)) | |
3762 | goto nla_put_failure; | |
3763 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3764 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3765 | sinfo->peer_pm)) | |
3766 | goto nla_put_failure; | |
3767 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3768 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3769 | sinfo->nonpeer_pm)) | |
3770 | goto nla_put_failure; | |
f4263c98 PS |
3771 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3772 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3773 | if (!bss_param) | |
3774 | goto nla_put_failure; | |
3775 | ||
9360ffd1 DM |
3776 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3777 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3778 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3779 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3780 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3781 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3782 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3783 | sinfo->bss_param.dtim_period) || | |
3784 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3785 | sinfo->bss_param.beacon_interval)) | |
3786 | goto nla_put_failure; | |
f4263c98 PS |
3787 | |
3788 | nla_nest_end(msg, bss_param); | |
3789 | } | |
9360ffd1 DM |
3790 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3791 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3792 | sizeof(struct nl80211_sta_flag_update), | |
3793 | &sinfo->sta_flags)) | |
3794 | goto nla_put_failure; | |
7eab0f64 JL |
3795 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3796 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3797 | sinfo->t_offset)) | |
3798 | goto nla_put_failure; | |
2ec600d6 | 3799 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3800 | |
9360ffd1 DM |
3801 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3802 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3803 | sinfo->assoc_req_ies)) | |
3804 | goto nla_put_failure; | |
50d3dfb7 | 3805 | |
fd5b74dc JB |
3806 | return genlmsg_end(msg, hdr); |
3807 | ||
3808 | nla_put_failure: | |
bc3ed28c TG |
3809 | genlmsg_cancel(msg, hdr); |
3810 | return -EMSGSIZE; | |
fd5b74dc JB |
3811 | } |
3812 | ||
2ec600d6 | 3813 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3814 | struct netlink_callback *cb) |
2ec600d6 | 3815 | { |
2ec600d6 | 3816 | struct station_info sinfo; |
1b8ec87a | 3817 | struct cfg80211_registered_device *rdev; |
97990a06 | 3818 | struct wireless_dev *wdev; |
2ec600d6 | 3819 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3820 | int sta_idx = cb->args[2]; |
2ec600d6 | 3821 | int err; |
2ec600d6 | 3822 | |
1b8ec87a | 3823 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
3824 | if (err) |
3825 | return err; | |
bba95fef | 3826 | |
97990a06 JB |
3827 | if (!wdev->netdev) { |
3828 | err = -EINVAL; | |
3829 | goto out_err; | |
3830 | } | |
3831 | ||
1b8ec87a | 3832 | if (!rdev->ops->dump_station) { |
eec60b03 | 3833 | err = -EOPNOTSUPP; |
bba95fef JB |
3834 | goto out_err; |
3835 | } | |
3836 | ||
bba95fef | 3837 | while (1) { |
f612cedf | 3838 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 3839 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
e35e4d28 | 3840 | mac_addr, &sinfo); |
bba95fef JB |
3841 | if (err == -ENOENT) |
3842 | break; | |
3843 | if (err) | |
3b85875a | 3844 | goto out_err; |
bba95fef JB |
3845 | |
3846 | if (nl80211_send_station(skb, | |
15e47304 | 3847 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3848 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 3849 | rdev, wdev->netdev, mac_addr, |
bba95fef JB |
3850 | &sinfo) < 0) |
3851 | goto out; | |
3852 | ||
3853 | sta_idx++; | |
3854 | } | |
3855 | ||
3856 | ||
3857 | out: | |
97990a06 | 3858 | cb->args[2] = sta_idx; |
bba95fef | 3859 | err = skb->len; |
bba95fef | 3860 | out_err: |
1b8ec87a | 3861 | nl80211_finish_wdev_dump(rdev); |
bba95fef JB |
3862 | |
3863 | return err; | |
2ec600d6 | 3864 | } |
fd5b74dc | 3865 | |
5727ef1b JB |
3866 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3867 | { | |
4c476991 JB |
3868 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3869 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3870 | struct station_info sinfo; |
fd5b74dc JB |
3871 | struct sk_buff *msg; |
3872 | u8 *mac_addr = NULL; | |
4c476991 | 3873 | int err; |
fd5b74dc | 3874 | |
2ec600d6 | 3875 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3876 | |
3877 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3878 | return -EINVAL; | |
3879 | ||
3880 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3881 | ||
4c476991 JB |
3882 | if (!rdev->ops->get_station) |
3883 | return -EOPNOTSUPP; | |
3b85875a | 3884 | |
e35e4d28 | 3885 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3886 | if (err) |
4c476991 | 3887 | return err; |
2ec600d6 | 3888 | |
fd2120ca | 3889 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3890 | if (!msg) |
4c476991 | 3891 | return -ENOMEM; |
fd5b74dc | 3892 | |
15e47304 | 3893 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3894 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3895 | nlmsg_free(msg); |
3896 | return -ENOBUFS; | |
3897 | } | |
3b85875a | 3898 | |
4c476991 | 3899 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3900 | } |
3901 | ||
77ee7c89 JB |
3902 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3903 | struct station_parameters *params, | |
3904 | enum cfg80211_station_type statype) | |
3905 | { | |
3906 | if (params->listen_interval != -1) | |
3907 | return -EINVAL; | |
c72e1140 AN |
3908 | if (params->aid && |
3909 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
77ee7c89 JB |
3910 | return -EINVAL; |
3911 | ||
3912 | /* When you run into this, adjust the code below for the new flag */ | |
3913 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3914 | ||
3915 | switch (statype) { | |
eef941e6 TP |
3916 | case CFG80211_STA_MESH_PEER_KERNEL: |
3917 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3918 | /* |
3919 | * No ignoring the TDLS flag here -- the userspace mesh | |
3920 | * code doesn't have the bug of including TDLS in the | |
3921 | * mask everywhere. | |
3922 | */ | |
3923 | if (params->sta_flags_mask & | |
3924 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3925 | BIT(NL80211_STA_FLAG_MFP) | | |
3926 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3927 | return -EINVAL; | |
3928 | break; | |
3929 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3930 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3931 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3932 | return -EINVAL; | |
3933 | /* ignore since it can't change */ | |
3934 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3935 | break; | |
3936 | default: | |
3937 | /* disallow mesh-specific things */ | |
3938 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3939 | return -EINVAL; | |
3940 | if (params->local_pm) | |
3941 | return -EINVAL; | |
3942 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3943 | return -EINVAL; | |
3944 | } | |
3945 | ||
3946 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
3947 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
3948 | /* TDLS can't be set, ... */ | |
3949 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3950 | return -EINVAL; | |
3951 | /* | |
3952 | * ... but don't bother the driver with it. This works around | |
3953 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3954 | * TLDS_PEER flag in the mask even for AP mode. | |
3955 | */ | |
3956 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3957 | } | |
3958 | ||
3959 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
3960 | /* reject other things that can't change */ | |
3961 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
3962 | return -EINVAL; | |
3963 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
3964 | return -EINVAL; | |
3965 | if (params->supported_rates) | |
3966 | return -EINVAL; | |
3967 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
3968 | return -EINVAL; | |
3969 | } | |
3970 | ||
3971 | if (statype != CFG80211_STA_AP_CLIENT) { | |
3972 | if (params->vlan) | |
3973 | return -EINVAL; | |
3974 | } | |
3975 | ||
3976 | switch (statype) { | |
3977 | case CFG80211_STA_AP_MLME_CLIENT: | |
3978 | /* Use this only for authorizing/unauthorizing a station */ | |
3979 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3980 | return -EOPNOTSUPP; | |
3981 | break; | |
3982 | case CFG80211_STA_AP_CLIENT: | |
3983 | /* accept only the listed bits */ | |
3984 | if (params->sta_flags_mask & | |
3985 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3986 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3987 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3988 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3989 | BIT(NL80211_STA_FLAG_WME) | | |
3990 | BIT(NL80211_STA_FLAG_MFP))) | |
3991 | return -EINVAL; | |
3992 | ||
3993 | /* but authenticated/associated only if driver handles it */ | |
3994 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3995 | params->sta_flags_mask & | |
3996 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3997 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3998 | return -EINVAL; | |
3999 | break; | |
4000 | case CFG80211_STA_IBSS: | |
4001 | case CFG80211_STA_AP_STA: | |
4002 | /* reject any changes other than AUTHORIZED */ | |
4003 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4004 | return -EINVAL; | |
4005 | break; | |
4006 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4007 | /* reject any changes other than AUTHORIZED or WME */ | |
4008 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4009 | BIT(NL80211_STA_FLAG_WME))) | |
4010 | return -EINVAL; | |
4011 | /* force (at least) rates when authorizing */ | |
4012 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
4013 | !params->supported_rates) | |
4014 | return -EINVAL; | |
4015 | break; | |
4016 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4017 | /* reject any changes */ | |
4018 | return -EINVAL; | |
eef941e6 | 4019 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
4020 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
4021 | return -EINVAL; | |
4022 | break; | |
eef941e6 | 4023 | case CFG80211_STA_MESH_PEER_USER: |
77ee7c89 JB |
4024 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) |
4025 | return -EINVAL; | |
4026 | break; | |
4027 | } | |
4028 | ||
4029 | return 0; | |
4030 | } | |
4031 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
4032 | ||
5727ef1b | 4033 | /* |
c258d2de | 4034 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 4035 | */ |
80b99899 JB |
4036 | static struct net_device *get_vlan(struct genl_info *info, |
4037 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 4038 | { |
463d0183 | 4039 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
4040 | struct net_device *v; |
4041 | int ret; | |
4042 | ||
4043 | if (!vlanattr) | |
4044 | return NULL; | |
4045 | ||
4046 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
4047 | if (!v) | |
4048 | return ERR_PTR(-ENODEV); | |
4049 | ||
4050 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
4051 | ret = -EINVAL; | |
4052 | goto error; | |
5727ef1b | 4053 | } |
80b99899 | 4054 | |
77ee7c89 JB |
4055 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
4056 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4057 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
4058 | ret = -EINVAL; | |
4059 | goto error; | |
4060 | } | |
4061 | ||
80b99899 JB |
4062 | if (!netif_running(v)) { |
4063 | ret = -ENETDOWN; | |
4064 | goto error; | |
4065 | } | |
4066 | ||
4067 | return v; | |
4068 | error: | |
4069 | dev_put(v); | |
4070 | return ERR_PTR(ret); | |
5727ef1b JB |
4071 | } |
4072 | ||
94e860f1 JB |
4073 | static const struct nla_policy |
4074 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
4075 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
4076 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
4077 | }; | |
4078 | ||
ff276691 JB |
4079 | static int nl80211_parse_sta_wme(struct genl_info *info, |
4080 | struct station_parameters *params) | |
df881293 | 4081 | { |
df881293 JM |
4082 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
4083 | struct nlattr *nla; | |
4084 | int err; | |
4085 | ||
df881293 JM |
4086 | /* parse WME attributes if present */ |
4087 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
4088 | return 0; | |
4089 | ||
4090 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4091 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
4092 | nl80211_sta_wme_policy); | |
4093 | if (err) | |
4094 | return err; | |
4095 | ||
4096 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4097 | params->uapsd_queues = nla_get_u8( | |
4098 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4099 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4100 | return -EINVAL; | |
4101 | ||
4102 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4103 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4104 | ||
4105 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4106 | return -EINVAL; | |
4107 | ||
4108 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4109 | ||
4110 | return 0; | |
4111 | } | |
4112 | ||
c01fc9ad SD |
4113 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4114 | struct station_parameters *params) | |
4115 | { | |
4116 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4117 | params->supported_channels = | |
4118 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4119 | params->supported_channels_len = | |
4120 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4121 | /* | |
4122 | * Need to include at least one (first channel, number of | |
4123 | * channels) tuple for each subband, and must have proper | |
4124 | * tuples for the rest of the data as well. | |
4125 | */ | |
4126 | if (params->supported_channels_len < 2) | |
4127 | return -EINVAL; | |
4128 | if (params->supported_channels_len % 2) | |
4129 | return -EINVAL; | |
4130 | } | |
4131 | ||
4132 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4133 | params->supported_oper_classes = | |
4134 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4135 | params->supported_oper_classes_len = | |
4136 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4137 | /* | |
4138 | * The value of the Length field of the Supported Operating | |
4139 | * Classes element is between 2 and 253. | |
4140 | */ | |
4141 | if (params->supported_oper_classes_len < 2 || | |
4142 | params->supported_oper_classes_len > 253) | |
4143 | return -EINVAL; | |
4144 | } | |
4145 | return 0; | |
4146 | } | |
4147 | ||
ff276691 JB |
4148 | static int nl80211_set_station_tdls(struct genl_info *info, |
4149 | struct station_parameters *params) | |
4150 | { | |
c01fc9ad | 4151 | int err; |
ff276691 | 4152 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4153 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4154 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4155 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4156 | params->ht_capa = | |
4157 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4158 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4159 | params->vht_capa = | |
4160 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4161 | ||
c01fc9ad SD |
4162 | err = nl80211_parse_sta_channel_info(info, params); |
4163 | if (err) | |
4164 | return err; | |
4165 | ||
ff276691 JB |
4166 | return nl80211_parse_sta_wme(info, params); |
4167 | } | |
4168 | ||
5727ef1b JB |
4169 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4170 | { | |
4c476991 | 4171 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4172 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4173 | struct station_parameters params; |
77ee7c89 JB |
4174 | u8 *mac_addr; |
4175 | int err; | |
5727ef1b JB |
4176 | |
4177 | memset(¶ms, 0, sizeof(params)); | |
4178 | ||
4179 | params.listen_interval = -1; | |
4180 | ||
77ee7c89 JB |
4181 | if (!rdev->ops->change_station) |
4182 | return -EOPNOTSUPP; | |
4183 | ||
5727ef1b JB |
4184 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4185 | return -EINVAL; | |
4186 | ||
4187 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4188 | return -EINVAL; | |
4189 | ||
4190 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4191 | ||
4192 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4193 | params.supported_rates = | |
4194 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4195 | params.supported_rates_len = | |
4196 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4197 | } | |
4198 | ||
9d62a986 JM |
4199 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4200 | params.capability = | |
4201 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4202 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4203 | } | |
4204 | ||
4205 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4206 | params.ext_capab = | |
4207 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4208 | params.ext_capab_len = | |
4209 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4210 | } | |
4211 | ||
df881293 | 4212 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 4213 | return -EINVAL; |
36aedc90 | 4214 | |
bdd3ae3d | 4215 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4216 | return -EINVAL; |
4217 | ||
f8bacc21 | 4218 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4219 | params.plink_action = |
f8bacc21 JB |
4220 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4221 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4222 | return -EINVAL; | |
4223 | } | |
2ec600d6 | 4224 | |
f8bacc21 | 4225 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4226 | params.plink_state = |
f8bacc21 JB |
4227 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4228 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4229 | return -EINVAL; | |
4230 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
4231 | } | |
9c3990aa | 4232 | |
3b1c5a53 MP |
4233 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4234 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4235 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4236 | ||
4237 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4238 | pm > NL80211_MESH_POWER_MAX) | |
4239 | return -EINVAL; | |
4240 | ||
4241 | params.local_pm = pm; | |
4242 | } | |
4243 | ||
77ee7c89 JB |
4244 | /* Include parameters for TDLS peer (will check later) */ |
4245 | err = nl80211_set_station_tdls(info, ¶ms); | |
4246 | if (err) | |
4247 | return err; | |
4248 | ||
4249 | params.vlan = get_vlan(info, rdev); | |
4250 | if (IS_ERR(params.vlan)) | |
4251 | return PTR_ERR(params.vlan); | |
4252 | ||
a97f4424 JB |
4253 | switch (dev->ieee80211_ptr->iftype) { |
4254 | case NL80211_IFTYPE_AP: | |
4255 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4256 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4257 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4258 | case NL80211_IFTYPE_STATION: |
267335d6 | 4259 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4260 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4261 | break; |
4262 | default: | |
77ee7c89 JB |
4263 | err = -EOPNOTSUPP; |
4264 | goto out_put_vlan; | |
034d655e JB |
4265 | } |
4266 | ||
77ee7c89 | 4267 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4268 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4269 | |
77ee7c89 | 4270 | out_put_vlan: |
5727ef1b JB |
4271 | if (params.vlan) |
4272 | dev_put(params.vlan); | |
3b85875a | 4273 | |
5727ef1b JB |
4274 | return err; |
4275 | } | |
4276 | ||
4277 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4278 | { | |
4c476991 | 4279 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4280 | int err; |
4c476991 | 4281 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4282 | struct station_parameters params; |
4283 | u8 *mac_addr = NULL; | |
4284 | ||
4285 | memset(¶ms, 0, sizeof(params)); | |
4286 | ||
984c311b JB |
4287 | if (!rdev->ops->add_station) |
4288 | return -EOPNOTSUPP; | |
4289 | ||
5727ef1b JB |
4290 | if (!info->attrs[NL80211_ATTR_MAC]) |
4291 | return -EINVAL; | |
4292 | ||
5727ef1b JB |
4293 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4294 | return -EINVAL; | |
4295 | ||
4296 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4297 | return -EINVAL; | |
4298 | ||
5e4b6f56 JM |
4299 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4300 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4301 | return -EINVAL; |
4302 | ||
5727ef1b JB |
4303 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4304 | params.supported_rates = | |
4305 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4306 | params.supported_rates_len = | |
4307 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4308 | params.listen_interval = | |
4309 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4310 | |
3d124ea2 | 4311 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4312 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4313 | else |
4314 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4315 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4316 | return -EINVAL; | |
51b50fbe | 4317 | |
9d62a986 JM |
4318 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4319 | params.capability = | |
4320 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4321 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4322 | } | |
4323 | ||
4324 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4325 | params.ext_capab = | |
4326 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4327 | params.ext_capab_len = | |
4328 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4329 | } | |
4330 | ||
36aedc90 JM |
4331 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4332 | params.ht_capa = | |
4333 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4334 | |
f461be3e MP |
4335 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4336 | params.vht_capa = | |
4337 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4338 | ||
60f4a7b1 MK |
4339 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4340 | params.opmode_notif_used = true; | |
4341 | params.opmode_notif = | |
4342 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4343 | } | |
4344 | ||
f8bacc21 | 4345 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4346 | params.plink_action = |
f8bacc21 JB |
4347 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4348 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4349 | return -EINVAL; | |
4350 | } | |
96b78dff | 4351 | |
c01fc9ad SD |
4352 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4353 | if (err) | |
4354 | return err; | |
4355 | ||
ff276691 JB |
4356 | err = nl80211_parse_sta_wme(info, ¶ms); |
4357 | if (err) | |
4358 | return err; | |
bdd90d5e | 4359 | |
bdd3ae3d | 4360 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4361 | return -EINVAL; |
4362 | ||
77ee7c89 JB |
4363 | /* When you run into this, adjust the code below for the new flag */ |
4364 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4365 | ||
bdd90d5e JB |
4366 | switch (dev->ieee80211_ptr->iftype) { |
4367 | case NL80211_IFTYPE_AP: | |
4368 | case NL80211_IFTYPE_AP_VLAN: | |
4369 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4370 | /* ignore WME attributes if iface/sta is not capable */ |
4371 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4372 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4373 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4374 | |
bdd90d5e | 4375 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4376 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4377 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4378 | return -EINVAL; |
bdd90d5e JB |
4379 | /* but don't bother the driver with it */ |
4380 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4381 | |
d582cffb JB |
4382 | /* allow authenticated/associated only if driver handles it */ |
4383 | if (!(rdev->wiphy.features & | |
4384 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4385 | params.sta_flags_mask & | |
4386 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4387 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4388 | return -EINVAL; | |
4389 | ||
bdd90d5e JB |
4390 | /* must be last in here for error handling */ |
4391 | params.vlan = get_vlan(info, rdev); | |
4392 | if (IS_ERR(params.vlan)) | |
4393 | return PTR_ERR(params.vlan); | |
4394 | break; | |
4395 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4396 | /* ignore uAPSD data */ |
4397 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4398 | ||
d582cffb JB |
4399 | /* associated is disallowed */ |
4400 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4401 | return -EINVAL; | |
bdd90d5e | 4402 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4403 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4404 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4405 | return -EINVAL; |
4406 | break; | |
4407 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4408 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4409 | /* ignore uAPSD data */ |
4410 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4411 | ||
77ee7c89 JB |
4412 | /* these are disallowed */ |
4413 | if (params.sta_flags_mask & | |
4414 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4415 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4416 | return -EINVAL; |
bdd90d5e JB |
4417 | /* Only TDLS peers can be added */ |
4418 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4419 | return -EINVAL; | |
4420 | /* Can only add if TDLS ... */ | |
4421 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4422 | return -EOPNOTSUPP; | |
4423 | /* ... with external setup is supported */ | |
4424 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4425 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4426 | /* |
4427 | * Older wpa_supplicant versions always mark the TDLS peer | |
4428 | * as authorized, but it shouldn't yet be. | |
4429 | */ | |
4430 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4431 | break; |
4432 | default: | |
4433 | return -EOPNOTSUPP; | |
c75786c9 EP |
4434 | } |
4435 | ||
bdd90d5e | 4436 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4437 | |
e35e4d28 | 4438 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4439 | |
5727ef1b JB |
4440 | if (params.vlan) |
4441 | dev_put(params.vlan); | |
5727ef1b JB |
4442 | return err; |
4443 | } | |
4444 | ||
4445 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4446 | { | |
4c476991 JB |
4447 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4448 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
4449 | struct station_del_parameters params; |
4450 | ||
4451 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
4452 | |
4453 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 4454 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 4455 | |
e80cf853 | 4456 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4457 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4458 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4459 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4460 | return -EINVAL; | |
5727ef1b | 4461 | |
4c476991 JB |
4462 | if (!rdev->ops->del_station) |
4463 | return -EOPNOTSUPP; | |
3b85875a | 4464 | |
98856866 JM |
4465 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
4466 | params.subtype = | |
4467 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
4468 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
4469 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
4470 | return -EINVAL; | |
4471 | } else { | |
4472 | /* Default to Deauthentication frame */ | |
4473 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
4474 | } | |
4475 | ||
4476 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
4477 | params.reason_code = | |
4478 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
4479 | if (params.reason_code == 0) | |
4480 | return -EINVAL; /* 0 is reserved */ | |
4481 | } else { | |
4482 | /* Default to reason code 2 */ | |
4483 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
4484 | } | |
4485 | ||
89c771e5 | 4486 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
4487 | } |
4488 | ||
15e47304 | 4489 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4490 | int flags, struct net_device *dev, |
4491 | u8 *dst, u8 *next_hop, | |
4492 | struct mpath_info *pinfo) | |
4493 | { | |
4494 | void *hdr; | |
4495 | struct nlattr *pinfoattr; | |
4496 | ||
1ef4c850 | 4497 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
4498 | if (!hdr) |
4499 | return -1; | |
4500 | ||
9360ffd1 DM |
4501 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4502 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4503 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4504 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4505 | goto nla_put_failure; | |
f5ea9120 | 4506 | |
2ec600d6 LCC |
4507 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4508 | if (!pinfoattr) | |
4509 | goto nla_put_failure; | |
9360ffd1 DM |
4510 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4511 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4512 | pinfo->frame_qlen)) | |
4513 | goto nla_put_failure; | |
4514 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4515 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4516 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4517 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4518 | pinfo->metric)) || | |
4519 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4520 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4521 | pinfo->exptime)) || | |
4522 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4523 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4524 | pinfo->flags)) || | |
4525 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4526 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4527 | pinfo->discovery_timeout)) || | |
4528 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4529 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4530 | pinfo->discovery_retries))) | |
4531 | goto nla_put_failure; | |
2ec600d6 LCC |
4532 | |
4533 | nla_nest_end(msg, pinfoattr); | |
4534 | ||
4535 | return genlmsg_end(msg, hdr); | |
4536 | ||
4537 | nla_put_failure: | |
bc3ed28c TG |
4538 | genlmsg_cancel(msg, hdr); |
4539 | return -EMSGSIZE; | |
2ec600d6 LCC |
4540 | } |
4541 | ||
4542 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4543 | struct netlink_callback *cb) |
2ec600d6 | 4544 | { |
2ec600d6 | 4545 | struct mpath_info pinfo; |
1b8ec87a | 4546 | struct cfg80211_registered_device *rdev; |
97990a06 | 4547 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4548 | u8 dst[ETH_ALEN]; |
4549 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4550 | int path_idx = cb->args[2]; |
2ec600d6 | 4551 | int err; |
2ec600d6 | 4552 | |
1b8ec87a | 4553 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
4554 | if (err) |
4555 | return err; | |
bba95fef | 4556 | |
1b8ec87a | 4557 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 4558 | err = -EOPNOTSUPP; |
bba95fef JB |
4559 | goto out_err; |
4560 | } | |
4561 | ||
97990a06 | 4562 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4563 | err = -EOPNOTSUPP; |
0448b5fc | 4564 | goto out_err; |
eec60b03 JM |
4565 | } |
4566 | ||
bba95fef | 4567 | while (1) { |
1b8ec87a | 4568 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 4569 | next_hop, &pinfo); |
bba95fef | 4570 | if (err == -ENOENT) |
2ec600d6 | 4571 | break; |
bba95fef | 4572 | if (err) |
3b85875a | 4573 | goto out_err; |
2ec600d6 | 4574 | |
15e47304 | 4575 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4576 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4577 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4578 | &pinfo) < 0) |
4579 | goto out; | |
2ec600d6 | 4580 | |
bba95fef | 4581 | path_idx++; |
2ec600d6 | 4582 | } |
2ec600d6 | 4583 | |
2ec600d6 | 4584 | |
bba95fef | 4585 | out: |
97990a06 | 4586 | cb->args[2] = path_idx; |
bba95fef | 4587 | err = skb->len; |
bba95fef | 4588 | out_err: |
1b8ec87a | 4589 | nl80211_finish_wdev_dump(rdev); |
bba95fef | 4590 | return err; |
2ec600d6 LCC |
4591 | } |
4592 | ||
4593 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4594 | { | |
4c476991 | 4595 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4596 | int err; |
4c476991 | 4597 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4598 | struct mpath_info pinfo; |
4599 | struct sk_buff *msg; | |
4600 | u8 *dst = NULL; | |
4601 | u8 next_hop[ETH_ALEN]; | |
4602 | ||
4603 | memset(&pinfo, 0, sizeof(pinfo)); | |
4604 | ||
4605 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4606 | return -EINVAL; | |
4607 | ||
4608 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4609 | ||
4c476991 JB |
4610 | if (!rdev->ops->get_mpath) |
4611 | return -EOPNOTSUPP; | |
2ec600d6 | 4612 | |
4c476991 JB |
4613 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4614 | return -EOPNOTSUPP; | |
eec60b03 | 4615 | |
e35e4d28 | 4616 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4617 | if (err) |
4c476991 | 4618 | return err; |
2ec600d6 | 4619 | |
fd2120ca | 4620 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4621 | if (!msg) |
4c476991 | 4622 | return -ENOMEM; |
2ec600d6 | 4623 | |
15e47304 | 4624 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4625 | dev, dst, next_hop, &pinfo) < 0) { |
4626 | nlmsg_free(msg); | |
4627 | return -ENOBUFS; | |
4628 | } | |
3b85875a | 4629 | |
4c476991 | 4630 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4631 | } |
4632 | ||
4633 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4634 | { | |
4c476991 JB |
4635 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4636 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4637 | u8 *dst = NULL; |
4638 | u8 *next_hop = NULL; | |
4639 | ||
4640 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4641 | return -EINVAL; | |
4642 | ||
4643 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4644 | return -EINVAL; | |
4645 | ||
4646 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4647 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4648 | ||
4c476991 JB |
4649 | if (!rdev->ops->change_mpath) |
4650 | return -EOPNOTSUPP; | |
35a8efe1 | 4651 | |
4c476991 JB |
4652 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4653 | return -EOPNOTSUPP; | |
2ec600d6 | 4654 | |
e35e4d28 | 4655 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4656 | } |
4c476991 | 4657 | |
2ec600d6 LCC |
4658 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4659 | { | |
4c476991 JB |
4660 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4661 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4662 | u8 *dst = NULL; |
4663 | u8 *next_hop = NULL; | |
4664 | ||
4665 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4666 | return -EINVAL; | |
4667 | ||
4668 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4669 | return -EINVAL; | |
4670 | ||
4671 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4672 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4673 | ||
4c476991 JB |
4674 | if (!rdev->ops->add_mpath) |
4675 | return -EOPNOTSUPP; | |
35a8efe1 | 4676 | |
4c476991 JB |
4677 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4678 | return -EOPNOTSUPP; | |
2ec600d6 | 4679 | |
e35e4d28 | 4680 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4681 | } |
4682 | ||
4683 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4684 | { | |
4c476991 JB |
4685 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4686 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4687 | u8 *dst = NULL; |
4688 | ||
4689 | if (info->attrs[NL80211_ATTR_MAC]) | |
4690 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4691 | ||
4c476991 JB |
4692 | if (!rdev->ops->del_mpath) |
4693 | return -EOPNOTSUPP; | |
3b85875a | 4694 | |
e35e4d28 | 4695 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4696 | } |
4697 | ||
66be7d2b HR |
4698 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
4699 | { | |
4700 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4701 | int err; | |
4702 | struct net_device *dev = info->user_ptr[1]; | |
4703 | struct mpath_info pinfo; | |
4704 | struct sk_buff *msg; | |
4705 | u8 *dst = NULL; | |
4706 | u8 mpp[ETH_ALEN]; | |
4707 | ||
4708 | memset(&pinfo, 0, sizeof(pinfo)); | |
4709 | ||
4710 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4711 | return -EINVAL; | |
4712 | ||
4713 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4714 | ||
4715 | if (!rdev->ops->get_mpp) | |
4716 | return -EOPNOTSUPP; | |
4717 | ||
4718 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
4719 | return -EOPNOTSUPP; | |
4720 | ||
4721 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
4722 | if (err) | |
4723 | return err; | |
4724 | ||
4725 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4726 | if (!msg) | |
4727 | return -ENOMEM; | |
4728 | ||
4729 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
4730 | dev, dst, mpp, &pinfo) < 0) { | |
4731 | nlmsg_free(msg); | |
4732 | return -ENOBUFS; | |
4733 | } | |
4734 | ||
4735 | return genlmsg_reply(msg, info); | |
4736 | } | |
4737 | ||
4738 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
4739 | struct netlink_callback *cb) | |
4740 | { | |
4741 | struct mpath_info pinfo; | |
4742 | struct cfg80211_registered_device *rdev; | |
4743 | struct wireless_dev *wdev; | |
4744 | u8 dst[ETH_ALEN]; | |
4745 | u8 mpp[ETH_ALEN]; | |
4746 | int path_idx = cb->args[2]; | |
4747 | int err; | |
4748 | ||
4749 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); | |
4750 | if (err) | |
4751 | return err; | |
4752 | ||
4753 | if (!rdev->ops->dump_mpp) { | |
4754 | err = -EOPNOTSUPP; | |
4755 | goto out_err; | |
4756 | } | |
4757 | ||
4758 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
4759 | err = -EOPNOTSUPP; | |
4760 | goto out_err; | |
4761 | } | |
4762 | ||
4763 | while (1) { | |
4764 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
4765 | mpp, &pinfo); | |
4766 | if (err == -ENOENT) | |
4767 | break; | |
4768 | if (err) | |
4769 | goto out_err; | |
4770 | ||
4771 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
4772 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
4773 | wdev->netdev, dst, mpp, | |
4774 | &pinfo) < 0) | |
4775 | goto out; | |
4776 | ||
4777 | path_idx++; | |
4778 | } | |
4779 | ||
4780 | out: | |
4781 | cb->args[2] = path_idx; | |
4782 | err = skb->len; | |
4783 | out_err: | |
4784 | nl80211_finish_wdev_dump(rdev); | |
4785 | return err; | |
4786 | } | |
4787 | ||
9f1ba906 JM |
4788 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4789 | { | |
4c476991 JB |
4790 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4791 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 4792 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 4793 | struct bss_parameters params; |
c56589ed | 4794 | int err; |
9f1ba906 JM |
4795 | |
4796 | memset(¶ms, 0, sizeof(params)); | |
4797 | /* default to not changing parameters */ | |
4798 | params.use_cts_prot = -1; | |
4799 | params.use_short_preamble = -1; | |
4800 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4801 | params.ap_isolate = -1; |
50b12f59 | 4802 | params.ht_opmode = -1; |
53cabad7 JB |
4803 | params.p2p_ctwindow = -1; |
4804 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4805 | |
4806 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4807 | params.use_cts_prot = | |
4808 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4809 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4810 | params.use_short_preamble = | |
4811 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4812 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4813 | params.use_short_slot_time = | |
4814 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4815 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4816 | params.basic_rates = | |
4817 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4818 | params.basic_rates_len = | |
4819 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4820 | } | |
fd8aaaf3 FF |
4821 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4822 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4823 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4824 | params.ht_opmode = | |
4825 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4826 | |
53cabad7 JB |
4827 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4828 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4829 | return -EINVAL; | |
4830 | params.p2p_ctwindow = | |
4831 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4832 | if (params.p2p_ctwindow < 0) | |
4833 | return -EINVAL; | |
4834 | if (params.p2p_ctwindow != 0 && | |
4835 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4836 | return -EINVAL; | |
4837 | } | |
4838 | ||
4839 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4840 | u8 tmp; | |
4841 | ||
4842 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4843 | return -EINVAL; | |
4844 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4845 | if (tmp > 1) | |
4846 | return -EINVAL; | |
4847 | params.p2p_opp_ps = tmp; | |
4848 | if (params.p2p_opp_ps && | |
4849 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4850 | return -EINVAL; | |
4851 | } | |
4852 | ||
4c476991 JB |
4853 | if (!rdev->ops->change_bss) |
4854 | return -EOPNOTSUPP; | |
9f1ba906 | 4855 | |
074ac8df | 4856 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4857 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4858 | return -EOPNOTSUPP; | |
3b85875a | 4859 | |
c56589ed SW |
4860 | wdev_lock(wdev); |
4861 | err = rdev_change_bss(rdev, dev, ¶ms); | |
4862 | wdev_unlock(wdev); | |
4863 | ||
4864 | return err; | |
9f1ba906 JM |
4865 | } |
4866 | ||
b54452b0 | 4867 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4868 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4869 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4870 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4871 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4872 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4873 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
089027e5 | 4874 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, |
b2e1b302 LR |
4875 | }; |
4876 | ||
4877 | static int parse_reg_rule(struct nlattr *tb[], | |
4878 | struct ieee80211_reg_rule *reg_rule) | |
4879 | { | |
4880 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4881 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4882 | ||
4883 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4884 | return -EINVAL; | |
4885 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4886 | return -EINVAL; | |
4887 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4888 | return -EINVAL; | |
b0dfd2ea JD |
4889 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) |
4890 | return -EINVAL; | |
b2e1b302 LR |
4891 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) |
4892 | return -EINVAL; | |
4893 | ||
4894 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4895 | ||
4896 | freq_range->start_freq_khz = | |
4897 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4898 | freq_range->end_freq_khz = | |
4899 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
b0dfd2ea JD |
4900 | freq_range->max_bandwidth_khz = |
4901 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
b2e1b302 LR |
4902 | |
4903 | power_rule->max_eirp = | |
4904 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4905 | ||
4906 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4907 | power_rule->max_antenna_gain = | |
4908 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4909 | ||
089027e5 JD |
4910 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) |
4911 | reg_rule->dfs_cac_ms = | |
4912 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
4913 | ||
b2e1b302 LR |
4914 | return 0; |
4915 | } | |
4916 | ||
4917 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4918 | { | |
b2e1b302 | 4919 | char *data = NULL; |
57b5ce07 | 4920 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 4921 | |
80778f18 LR |
4922 | /* |
4923 | * You should only get this when cfg80211 hasn't yet initialized | |
4924 | * completely when built-in to the kernel right between the time | |
4925 | * window between nl80211_init() and regulatory_init(), if that is | |
4926 | * even possible. | |
4927 | */ | |
458f4f9e | 4928 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4929 | return -EINPROGRESS; |
80778f18 | 4930 | |
57b5ce07 LR |
4931 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
4932 | user_reg_hint_type = | |
4933 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
4934 | else | |
4935 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
4936 | ||
4937 | switch (user_reg_hint_type) { | |
4938 | case NL80211_USER_REG_HINT_USER: | |
4939 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
4940 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
4941 | return -EINVAL; | |
4942 | ||
4943 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4944 | return regulatory_hint_user(data, user_reg_hint_type); | |
4945 | case NL80211_USER_REG_HINT_INDOOR: | |
4946 | return regulatory_hint_indoor_user(); | |
57b5ce07 LR |
4947 | default: |
4948 | return -EINVAL; | |
4949 | } | |
b2e1b302 LR |
4950 | } |
4951 | ||
24bdd9f4 | 4952 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 4953 | struct genl_info *info) |
93da9cc1 | 4954 | { |
4c476991 | 4955 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4956 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
4957 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4958 | struct mesh_config cur_params; | |
4959 | int err = 0; | |
93da9cc1 | 4960 | void *hdr; |
4961 | struct nlattr *pinfoattr; | |
4962 | struct sk_buff *msg; | |
4963 | ||
29cbe68c JB |
4964 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4965 | return -EOPNOTSUPP; | |
4966 | ||
24bdd9f4 | 4967 | if (!rdev->ops->get_mesh_config) |
4c476991 | 4968 | return -EOPNOTSUPP; |
f3f92586 | 4969 | |
29cbe68c JB |
4970 | wdev_lock(wdev); |
4971 | /* If not connected, get default parameters */ | |
4972 | if (!wdev->mesh_id_len) | |
4973 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4974 | else | |
e35e4d28 | 4975 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4976 | wdev_unlock(wdev); |
4977 | ||
93da9cc1 | 4978 | if (err) |
4c476991 | 4979 | return err; |
93da9cc1 | 4980 | |
4981 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4982 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4983 | if (!msg) |
4984 | return -ENOMEM; | |
15e47304 | 4985 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4986 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4987 | if (!hdr) |
efe1cf0c | 4988 | goto out; |
24bdd9f4 | 4989 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4990 | if (!pinfoattr) |
4991 | goto nla_put_failure; | |
9360ffd1 DM |
4992 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4993 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4994 | cur_params.dot11MeshRetryTimeout) || | |
4995 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4996 | cur_params.dot11MeshConfirmTimeout) || | |
4997 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4998 | cur_params.dot11MeshHoldingTimeout) || | |
4999 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
5000 | cur_params.dot11MeshMaxPeerLinks) || | |
5001 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
5002 | cur_params.dot11MeshMaxRetries) || | |
5003 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
5004 | cur_params.dot11MeshTTL) || | |
5005 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
5006 | cur_params.element_ttl) || | |
5007 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
5008 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
5009 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5010 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
5011 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5012 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
5013 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
5014 | cur_params.path_refresh_time) || | |
5015 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
5016 | cur_params.min_discovery_timeout) || | |
5017 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
5018 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
5019 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
5020 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
5021 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
5022 | cur_params.dot11MeshHWMPperrMinInterval) || | |
5023 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
5024 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
5025 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5026 | cur_params.dot11MeshHWMPRootMode) || | |
5027 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
5028 | cur_params.dot11MeshHWMPRannInterval) || | |
5029 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
5030 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
5031 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
5032 | cur_params.dot11MeshForwarding) || | |
5033 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
5034 | cur_params.rssi_threshold) || |
5035 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
5036 | cur_params.ht_opmode) || |
5037 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
5038 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
5039 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
5040 | cur_params.dot11MeshHWMProotInterval) || |
5041 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
5042 | cur_params.dot11MeshHWMPconfirmationInterval) || |
5043 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
5044 | cur_params.power_mode) || | |
5045 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
5046 | cur_params.dot11MeshAwakeWindowDuration) || |
5047 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5048 | cur_params.plink_timeout)) | |
9360ffd1 | 5049 | goto nla_put_failure; |
93da9cc1 | 5050 | nla_nest_end(msg, pinfoattr); |
5051 | genlmsg_end(msg, hdr); | |
4c476991 | 5052 | return genlmsg_reply(msg, info); |
93da9cc1 | 5053 | |
3b85875a | 5054 | nla_put_failure: |
93da9cc1 | 5055 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 5056 | out: |
d080e275 | 5057 | nlmsg_free(msg); |
4c476991 | 5058 | return -ENOBUFS; |
93da9cc1 | 5059 | } |
5060 | ||
b54452b0 | 5061 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 5062 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
5063 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
5064 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
5065 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
5066 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
5067 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 5068 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 5069 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 5070 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 5071 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
5072 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
5073 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
5074 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
5075 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 5076 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 5077 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 5078 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 5079 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 5080 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 5081 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
5082 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
5083 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
5084 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
5085 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 5086 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
5087 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
5088 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 5089 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 5090 | }; |
5091 | ||
c80d545d JC |
5092 | static const struct nla_policy |
5093 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 5094 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
5095 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
5096 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 5097 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 5098 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 5099 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 5100 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 5101 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 5102 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
5103 | }; |
5104 | ||
24bdd9f4 | 5105 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
5106 | struct mesh_config *cfg, |
5107 | u32 *mask_out) | |
93da9cc1 | 5108 | { |
93da9cc1 | 5109 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 5110 | u32 mask = 0; |
93da9cc1 | 5111 | |
ea54fba2 MP |
5112 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
5113 | do { \ | |
5114 | if (tb[attr]) { \ | |
5115 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
5116 | return -EINVAL; \ | |
5117 | cfg->param = fn(tb[attr]); \ | |
5118 | mask |= (1 << (attr - 1)); \ | |
5119 | } \ | |
5120 | } while (0) | |
bd90fdcc JB |
5121 | |
5122 | ||
24bdd9f4 | 5123 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 5124 | return -EINVAL; |
5125 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 5126 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 5127 | nl80211_meshconf_params_policy)) |
93da9cc1 | 5128 | return -EINVAL; |
5129 | ||
93da9cc1 | 5130 | /* This makes sure that there aren't more than 32 mesh config |
5131 | * parameters (otherwise our bitfield scheme would not work.) */ | |
5132 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
5133 | ||
5134 | /* Fill in the params struct */ | |
ea54fba2 | 5135 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
5136 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
5137 | nla_get_u16); | |
ea54fba2 | 5138 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
5139 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
5140 | nla_get_u16); | |
ea54fba2 | 5141 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
5142 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
5143 | nla_get_u16); | |
ea54fba2 | 5144 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
5145 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
5146 | nla_get_u16); | |
ea54fba2 | 5147 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
5148 | mask, NL80211_MESHCONF_MAX_RETRIES, |
5149 | nla_get_u8); | |
ea54fba2 | 5150 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 5151 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 5152 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
5153 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
5154 | nla_get_u8); | |
ea54fba2 | 5155 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
5156 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
5157 | nla_get_u8); | |
ea54fba2 MP |
5158 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
5159 | 1, 255, mask, | |
a4f606ea CYY |
5160 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5161 | nla_get_u32); | |
ea54fba2 | 5162 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
5163 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5164 | nla_get_u8); | |
ea54fba2 | 5165 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
5166 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
5167 | nla_get_u32); | |
ea54fba2 | 5168 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
5169 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
5170 | nla_get_u16); | |
ea54fba2 MP |
5171 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
5172 | 1, 65535, mask, | |
a4f606ea CYY |
5173 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
5174 | nla_get_u32); | |
93da9cc1 | 5175 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
5176 | 1, 65535, mask, |
5177 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 5178 | nla_get_u16); |
dca7e943 | 5179 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
5180 | 1, 65535, mask, |
5181 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 5182 | nla_get_u16); |
93da9cc1 | 5183 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5184 | dot11MeshHWMPnetDiameterTraversalTime, |
5185 | 1, 65535, mask, | |
a4f606ea CYY |
5186 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
5187 | nla_get_u16); | |
ea54fba2 MP |
5188 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
5189 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5190 | nla_get_u8); | |
5191 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
5192 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 5193 | nla_get_u16); |
63c5723b | 5194 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5195 | dot11MeshGateAnnouncementProtocol, 0, 1, |
5196 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 5197 | nla_get_u8); |
ea54fba2 | 5198 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
5199 | mask, NL80211_MESHCONF_FORWARDING, |
5200 | nla_get_u8); | |
83374fe9 | 5201 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5202 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
83374fe9 | 5203 | nla_get_s32); |
ea54fba2 | 5204 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 5205 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
5206 | nla_get_u16); |
5207 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 5208 | 1, 65535, mask, |
ac1073a6 CYY |
5209 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
5210 | nla_get_u32); | |
ea54fba2 | 5211 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 5212 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
5213 | nla_get_u16); |
5214 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
5215 | dot11MeshHWMPconfirmationInterval, |
5216 | 1, 65535, mask, | |
728b19e5 | 5217 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 5218 | nla_get_u16); |
3b1c5a53 MP |
5219 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
5220 | NL80211_MESH_POWER_ACTIVE, | |
5221 | NL80211_MESH_POWER_MAX, | |
5222 | mask, NL80211_MESHCONF_POWER_MODE, | |
5223 | nla_get_u32); | |
5224 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
5225 | 0, 65535, mask, | |
5226 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
8e7c0538 CT |
5227 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff, |
5228 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5229 | nla_get_u32); | |
bd90fdcc JB |
5230 | if (mask_out) |
5231 | *mask_out = mask; | |
c80d545d | 5232 | |
bd90fdcc JB |
5233 | return 0; |
5234 | ||
5235 | #undef FILL_IN_MESH_PARAM_IF_SET | |
5236 | } | |
5237 | ||
c80d545d JC |
5238 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
5239 | struct mesh_setup *setup) | |
5240 | { | |
bb2798d4 | 5241 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
5242 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
5243 | ||
5244 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
5245 | return -EINVAL; | |
5246 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
5247 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
5248 | nl80211_mesh_setup_params_policy)) | |
5249 | return -EINVAL; | |
5250 | ||
d299a1f2 JC |
5251 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
5252 | setup->sync_method = | |
5253 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
5254 | IEEE80211_SYNC_METHOD_VENDOR : | |
5255 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
5256 | ||
c80d545d JC |
5257 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
5258 | setup->path_sel_proto = | |
5259 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
5260 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
5261 | IEEE80211_PATH_PROTOCOL_HWMP; | |
5262 | ||
5263 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
5264 | setup->path_metric = | |
5265 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
5266 | IEEE80211_PATH_METRIC_VENDOR : | |
5267 | IEEE80211_PATH_METRIC_AIRTIME; | |
5268 | ||
581a8b0f JC |
5269 | |
5270 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 5271 | struct nlattr *ieattr = |
581a8b0f | 5272 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
5273 | if (!is_valid_ie_attr(ieattr)) |
5274 | return -EINVAL; | |
581a8b0f JC |
5275 | setup->ie = nla_data(ieattr); |
5276 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 5277 | } |
bb2798d4 TP |
5278 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
5279 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
5280 | return -EINVAL; | |
5281 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
5282 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5283 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5284 | if (setup->is_secure) |
5285 | setup->user_mpm = true; | |
c80d545d | 5286 | |
6e16d90b CT |
5287 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
5288 | if (!setup->user_mpm) | |
5289 | return -EINVAL; | |
5290 | setup->auth_id = | |
5291 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
5292 | } | |
5293 | ||
c80d545d JC |
5294 | return 0; |
5295 | } | |
5296 | ||
24bdd9f4 | 5297 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 5298 | struct genl_info *info) |
bd90fdcc JB |
5299 | { |
5300 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5301 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 5302 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
5303 | struct mesh_config cfg; |
5304 | u32 mask; | |
5305 | int err; | |
5306 | ||
29cbe68c JB |
5307 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5308 | return -EOPNOTSUPP; | |
5309 | ||
24bdd9f4 | 5310 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
5311 | return -EOPNOTSUPP; |
5312 | ||
24bdd9f4 | 5313 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
5314 | if (err) |
5315 | return err; | |
5316 | ||
29cbe68c JB |
5317 | wdev_lock(wdev); |
5318 | if (!wdev->mesh_id_len) | |
5319 | err = -ENOLINK; | |
5320 | ||
5321 | if (!err) | |
e35e4d28 | 5322 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
5323 | |
5324 | wdev_unlock(wdev); | |
5325 | ||
5326 | return err; | |
93da9cc1 | 5327 | } |
5328 | ||
f130347c LR |
5329 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
5330 | { | |
458f4f9e | 5331 | const struct ieee80211_regdomain *regdom; |
f130347c LR |
5332 | struct sk_buff *msg; |
5333 | void *hdr = NULL; | |
5334 | struct nlattr *nl_reg_rules; | |
5335 | unsigned int i; | |
f130347c LR |
5336 | |
5337 | if (!cfg80211_regdomain) | |
5fe231e8 | 5338 | return -EINVAL; |
f130347c | 5339 | |
fd2120ca | 5340 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
5fe231e8 JB |
5341 | if (!msg) |
5342 | return -ENOBUFS; | |
f130347c | 5343 | |
15e47304 | 5344 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
f130347c LR |
5345 | NL80211_CMD_GET_REG); |
5346 | if (!hdr) | |
efe1cf0c | 5347 | goto put_failure; |
f130347c | 5348 | |
57b5ce07 LR |
5349 | if (reg_last_request_cell_base() && |
5350 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5351 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5352 | goto nla_put_failure; | |
5353 | ||
458f4f9e JB |
5354 | rcu_read_lock(); |
5355 | regdom = rcu_dereference(cfg80211_regdomain); | |
5356 | ||
5357 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || | |
5358 | (regdom->dfs_region && | |
5359 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
5360 | goto nla_put_failure_rcu; | |
5361 | ||
f130347c LR |
5362 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
5363 | if (!nl_reg_rules) | |
458f4f9e | 5364 | goto nla_put_failure_rcu; |
f130347c | 5365 | |
458f4f9e | 5366 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
5367 | struct nlattr *nl_reg_rule; |
5368 | const struct ieee80211_reg_rule *reg_rule; | |
5369 | const struct ieee80211_freq_range *freq_range; | |
5370 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 5371 | unsigned int max_bandwidth_khz; |
f130347c | 5372 | |
458f4f9e | 5373 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
5374 | freq_range = ®_rule->freq_range; |
5375 | power_rule = ®_rule->power_rule; | |
5376 | ||
5377 | nl_reg_rule = nla_nest_start(msg, i); | |
5378 | if (!nl_reg_rule) | |
458f4f9e | 5379 | goto nla_put_failure_rcu; |
f130347c | 5380 | |
97524820 JD |
5381 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
5382 | if (!max_bandwidth_khz) | |
5383 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
5384 | reg_rule); | |
5385 | ||
9360ffd1 DM |
5386 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
5387 | reg_rule->flags) || | |
5388 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
5389 | freq_range->start_freq_khz) || | |
5390 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5391 | freq_range->end_freq_khz) || | |
5392 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 5393 | max_bandwidth_khz) || |
9360ffd1 DM |
5394 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
5395 | power_rule->max_antenna_gain) || | |
5396 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
5397 | power_rule->max_eirp) || |
5398 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
5399 | reg_rule->dfs_cac_ms)) | |
458f4f9e | 5400 | goto nla_put_failure_rcu; |
f130347c LR |
5401 | |
5402 | nla_nest_end(msg, nl_reg_rule); | |
5403 | } | |
458f4f9e | 5404 | rcu_read_unlock(); |
f130347c LR |
5405 | |
5406 | nla_nest_end(msg, nl_reg_rules); | |
5407 | ||
5408 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5409 | return genlmsg_reply(msg, info); |
f130347c | 5410 | |
458f4f9e JB |
5411 | nla_put_failure_rcu: |
5412 | rcu_read_unlock(); | |
f130347c LR |
5413 | nla_put_failure: |
5414 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5415 | put_failure: |
d080e275 | 5416 | nlmsg_free(msg); |
5fe231e8 | 5417 | return -EMSGSIZE; |
f130347c LR |
5418 | } |
5419 | ||
b2e1b302 LR |
5420 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5421 | { | |
5422 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5423 | struct nlattr *nl_reg_rule; | |
5424 | char *alpha2 = NULL; | |
5425 | int rem_reg_rules = 0, r = 0; | |
5426 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
4c7d3982 | 5427 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
b2e1b302 LR |
5428 | struct ieee80211_regdomain *rd = NULL; |
5429 | ||
5430 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5431 | return -EINVAL; | |
5432 | ||
5433 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5434 | return -EINVAL; | |
5435 | ||
5436 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5437 | ||
8b60b078 LR |
5438 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5439 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5440 | ||
b2e1b302 | 5441 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5442 | rem_reg_rules) { |
b2e1b302 LR |
5443 | num_rules++; |
5444 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5445 | return -EINVAL; |
b2e1b302 LR |
5446 | } |
5447 | ||
e438768f LR |
5448 | if (!reg_is_valid_request(alpha2)) |
5449 | return -EINVAL; | |
5450 | ||
b2e1b302 | 5451 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5452 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5453 | |
5454 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5455 | if (!rd) |
5456 | return -ENOMEM; | |
b2e1b302 LR |
5457 | |
5458 | rd->n_reg_rules = num_rules; | |
5459 | rd->alpha2[0] = alpha2[0]; | |
5460 | rd->alpha2[1] = alpha2[1]; | |
5461 | ||
8b60b078 LR |
5462 | /* |
5463 | * Disable DFS master mode if the DFS region was | |
5464 | * not supported or known on this kernel. | |
5465 | */ | |
5466 | if (reg_supported_dfs_region(dfs_region)) | |
5467 | rd->dfs_region = dfs_region; | |
5468 | ||
b2e1b302 | 5469 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5470 | rem_reg_rules) { |
ae811e21 JB |
5471 | r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
5472 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
5473 | reg_rule_policy); | |
5474 | if (r) | |
5475 | goto bad_reg; | |
b2e1b302 LR |
5476 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5477 | if (r) | |
5478 | goto bad_reg; | |
5479 | ||
5480 | rule_idx++; | |
5481 | ||
d0e18f83 LR |
5482 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5483 | r = -EINVAL; | |
b2e1b302 | 5484 | goto bad_reg; |
d0e18f83 | 5485 | } |
b2e1b302 LR |
5486 | } |
5487 | ||
b2e1b302 | 5488 | r = set_regdom(rd); |
6913b49a | 5489 | /* set_regdom took ownership */ |
1a919318 | 5490 | rd = NULL; |
b2e1b302 | 5491 | |
d2372b31 | 5492 | bad_reg: |
b2e1b302 | 5493 | kfree(rd); |
d0e18f83 | 5494 | return r; |
b2e1b302 LR |
5495 | } |
5496 | ||
83f5e2cf JB |
5497 | static int validate_scan_freqs(struct nlattr *freqs) |
5498 | { | |
5499 | struct nlattr *attr1, *attr2; | |
5500 | int n_channels = 0, tmp1, tmp2; | |
5501 | ||
5502 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5503 | n_channels++; | |
5504 | /* | |
5505 | * Some hardware has a limited channel list for | |
5506 | * scanning, and it is pretty much nonsensical | |
5507 | * to scan for a channel twice, so disallow that | |
5508 | * and don't require drivers to check that the | |
5509 | * channel list they get isn't longer than what | |
5510 | * they can scan, as long as they can scan all | |
5511 | * the channels they registered at once. | |
5512 | */ | |
5513 | nla_for_each_nested(attr2, freqs, tmp2) | |
5514 | if (attr1 != attr2 && | |
5515 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5516 | return 0; | |
5517 | } | |
5518 | ||
5519 | return n_channels; | |
5520 | } | |
5521 | ||
ad2b26ab JB |
5522 | static int nl80211_parse_random_mac(struct nlattr **attrs, |
5523 | u8 *mac_addr, u8 *mac_addr_mask) | |
5524 | { | |
5525 | int i; | |
5526 | ||
5527 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
5528 | memset(mac_addr, 0, ETH_ALEN); | |
5529 | memset(mac_addr_mask, 0, ETH_ALEN); | |
5530 | mac_addr[0] = 0x2; | |
5531 | mac_addr_mask[0] = 0x3; | |
5532 | ||
5533 | return 0; | |
5534 | } | |
5535 | ||
5536 | /* need both or none */ | |
5537 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
5538 | return -EINVAL; | |
5539 | ||
5540 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
5541 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
5542 | ||
5543 | /* don't allow or configure an mcast address */ | |
5544 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
5545 | is_multicast_ether_addr(mac_addr)) | |
5546 | return -EINVAL; | |
5547 | ||
5548 | /* | |
5549 | * allow users to pass a MAC address that has bits set outside | |
5550 | * of the mask, but don't bother drivers with having to deal | |
5551 | * with such bits | |
5552 | */ | |
5553 | for (i = 0; i < ETH_ALEN; i++) | |
5554 | mac_addr[i] &= mac_addr_mask[i]; | |
5555 | ||
5556 | return 0; | |
5557 | } | |
5558 | ||
2a519311 JB |
5559 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5560 | { | |
4c476991 | 5561 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5562 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5563 | struct cfg80211_scan_request *request; |
2a519311 JB |
5564 | struct nlattr *attr; |
5565 | struct wiphy *wiphy; | |
83f5e2cf | 5566 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5567 | size_t ie_len; |
2a519311 | 5568 | |
f4a11bb0 JB |
5569 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5570 | return -EINVAL; | |
5571 | ||
79c97e97 | 5572 | wiphy = &rdev->wiphy; |
2a519311 | 5573 | |
4c476991 JB |
5574 | if (!rdev->ops->scan) |
5575 | return -EOPNOTSUPP; | |
2a519311 | 5576 | |
f9d15d16 | 5577 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
5578 | err = -EBUSY; |
5579 | goto unlock; | |
5580 | } | |
2a519311 JB |
5581 | |
5582 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5583 | n_channels = validate_scan_freqs( |
5584 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5585 | if (!n_channels) { |
5586 | err = -EINVAL; | |
5587 | goto unlock; | |
5588 | } | |
2a519311 | 5589 | } else { |
bdfbec2d | 5590 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
5591 | } |
5592 | ||
5593 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5594 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5595 | n_ssids++; | |
5596 | ||
f9f47529 JB |
5597 | if (n_ssids > wiphy->max_scan_ssids) { |
5598 | err = -EINVAL; | |
5599 | goto unlock; | |
5600 | } | |
2a519311 | 5601 | |
70692ad2 JM |
5602 | if (info->attrs[NL80211_ATTR_IE]) |
5603 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5604 | else | |
5605 | ie_len = 0; | |
5606 | ||
f9f47529 JB |
5607 | if (ie_len > wiphy->max_scan_ie_len) { |
5608 | err = -EINVAL; | |
5609 | goto unlock; | |
5610 | } | |
18a83659 | 5611 | |
2a519311 | 5612 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5613 | + sizeof(*request->ssids) * n_ssids |
5614 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5615 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5616 | if (!request) { |
5617 | err = -ENOMEM; | |
5618 | goto unlock; | |
5619 | } | |
2a519311 | 5620 | |
2a519311 | 5621 | if (n_ssids) |
5ba63533 | 5622 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5623 | request->n_ssids = n_ssids; |
70692ad2 JM |
5624 | if (ie_len) { |
5625 | if (request->ssids) | |
5626 | request->ie = (void *)(request->ssids + n_ssids); | |
5627 | else | |
5628 | request->ie = (void *)(request->channels + n_channels); | |
5629 | } | |
2a519311 | 5630 | |
584991dc | 5631 | i = 0; |
2a519311 JB |
5632 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5633 | /* user specified, bail out if channel not found */ | |
2a519311 | 5634 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5635 | struct ieee80211_channel *chan; |
5636 | ||
5637 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5638 | ||
5639 | if (!chan) { | |
2a519311 JB |
5640 | err = -EINVAL; |
5641 | goto out_free; | |
5642 | } | |
584991dc JB |
5643 | |
5644 | /* ignore disabled channels */ | |
5645 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5646 | continue; | |
5647 | ||
5648 | request->channels[i] = chan; | |
2a519311 JB |
5649 | i++; |
5650 | } | |
5651 | } else { | |
34850ab2 JB |
5652 | enum ieee80211_band band; |
5653 | ||
2a519311 | 5654 | /* all channels */ |
2a519311 JB |
5655 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5656 | int j; | |
5657 | if (!wiphy->bands[band]) | |
5658 | continue; | |
5659 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5660 | struct ieee80211_channel *chan; |
5661 | ||
5662 | chan = &wiphy->bands[band]->channels[j]; | |
5663 | ||
5664 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5665 | continue; | |
5666 | ||
5667 | request->channels[i] = chan; | |
2a519311 JB |
5668 | i++; |
5669 | } | |
5670 | } | |
5671 | } | |
5672 | ||
584991dc JB |
5673 | if (!i) { |
5674 | err = -EINVAL; | |
5675 | goto out_free; | |
5676 | } | |
5677 | ||
5678 | request->n_channels = i; | |
5679 | ||
2a519311 JB |
5680 | i = 0; |
5681 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5682 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 5683 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5684 | err = -EINVAL; |
5685 | goto out_free; | |
5686 | } | |
57a27e1d | 5687 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5688 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5689 | i++; |
5690 | } | |
5691 | } | |
5692 | ||
70692ad2 JM |
5693 | if (info->attrs[NL80211_ATTR_IE]) { |
5694 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5695 | memcpy((void *)request->ie, |
5696 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5697 | request->ie_len); |
5698 | } | |
5699 | ||
34850ab2 | 5700 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5701 | if (wiphy->bands[i]) |
5702 | request->rates[i] = | |
5703 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5704 | |
5705 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5706 | nla_for_each_nested(attr, | |
5707 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5708 | tmp) { | |
5709 | enum ieee80211_band band = nla_type(attr); | |
5710 | ||
84404623 | 5711 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5712 | err = -EINVAL; |
5713 | goto out_free; | |
5714 | } | |
1b09cd82 FF |
5715 | |
5716 | if (!wiphy->bands[band]) | |
5717 | continue; | |
5718 | ||
34850ab2 JB |
5719 | err = ieee80211_get_ratemask(wiphy->bands[band], |
5720 | nla_data(attr), | |
5721 | nla_len(attr), | |
5722 | &request->rates[band]); | |
5723 | if (err) | |
5724 | goto out_free; | |
5725 | } | |
5726 | } | |
5727 | ||
46856bbf | 5728 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5729 | request->flags = nla_get_u32( |
5730 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5731 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5732 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5733 | err = -EOPNOTSUPP; |
5734 | goto out_free; | |
5735 | } | |
ad2b26ab JB |
5736 | |
5737 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
5738 | if (!(wiphy->features & | |
5739 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) { | |
5740 | err = -EOPNOTSUPP; | |
5741 | goto out_free; | |
5742 | } | |
5743 | ||
5744 | if (wdev->current_bss) { | |
5745 | err = -EOPNOTSUPP; | |
5746 | goto out_free; | |
5747 | } | |
5748 | ||
5749 | err = nl80211_parse_random_mac(info->attrs, | |
5750 | request->mac_addr, | |
5751 | request->mac_addr_mask); | |
5752 | if (err) | |
5753 | goto out_free; | |
5754 | } | |
46856bbf | 5755 | } |
ed473771 | 5756 | |
e9f935e3 RM |
5757 | request->no_cck = |
5758 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5759 | ||
fd014284 | 5760 | request->wdev = wdev; |
79c97e97 | 5761 | request->wiphy = &rdev->wiphy; |
15d6030b | 5762 | request->scan_start = jiffies; |
2a519311 | 5763 | |
79c97e97 | 5764 | rdev->scan_req = request; |
e35e4d28 | 5765 | err = rdev_scan(rdev, request); |
2a519311 | 5766 | |
463d0183 | 5767 | if (!err) { |
fd014284 JB |
5768 | nl80211_send_scan_start(rdev, wdev); |
5769 | if (wdev->netdev) | |
5770 | dev_hold(wdev->netdev); | |
4c476991 | 5771 | } else { |
2a519311 | 5772 | out_free: |
79c97e97 | 5773 | rdev->scan_req = NULL; |
2a519311 JB |
5774 | kfree(request); |
5775 | } | |
3b85875a | 5776 | |
f9f47529 | 5777 | unlock: |
2a519311 JB |
5778 | return err; |
5779 | } | |
5780 | ||
256da02d | 5781 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 5782 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
256da02d | 5783 | struct nlattr **attrs) |
807f8a8c LC |
5784 | { |
5785 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 5786 | struct nlattr *attr; |
a1f1c21c | 5787 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5788 | u32 interval; |
807f8a8c LC |
5789 | enum ieee80211_band band; |
5790 | size_t ie_len; | |
a1f1c21c | 5791 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 5792 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 5793 | |
256da02d LC |
5794 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE])) |
5795 | return ERR_PTR(-EINVAL); | |
807f8a8c | 5796 | |
256da02d LC |
5797 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5798 | return ERR_PTR(-EINVAL); | |
bbe6ad6d | 5799 | |
256da02d | 5800 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); |
bbe6ad6d | 5801 | if (interval == 0) |
256da02d | 5802 | return ERR_PTR(-EINVAL); |
807f8a8c | 5803 | |
256da02d | 5804 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 5805 | n_channels = validate_scan_freqs( |
256da02d | 5806 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 5807 | if (!n_channels) |
256da02d | 5808 | return ERR_PTR(-EINVAL); |
807f8a8c | 5809 | } else { |
bdfbec2d | 5810 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
5811 | } |
5812 | ||
256da02d LC |
5813 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
5814 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
5815 | tmp) |
5816 | n_ssids++; | |
5817 | ||
93b6aa69 | 5818 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 5819 | return ERR_PTR(-EINVAL); |
807f8a8c | 5820 | |
ea73cbce JB |
5821 | /* |
5822 | * First, count the number of 'real' matchsets. Due to an issue with | |
5823 | * the old implementation, matchsets containing only the RSSI attribute | |
5824 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
5825 | * RSSI for all matchsets, rather than their own matchset for reporting | |
5826 | * all APs with a strong RSSI. This is needed to be compatible with | |
5827 | * older userspace that treated a matchset with only the RSSI as the | |
5828 | * global RSSI for all other matchsets - if there are other matchsets. | |
5829 | */ | |
256da02d | 5830 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 5831 | nla_for_each_nested(attr, |
256da02d | 5832 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
5833 | tmp) { |
5834 | struct nlattr *rssi; | |
5835 | ||
5836 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5837 | nla_data(attr), nla_len(attr), | |
5838 | nl80211_match_policy); | |
5839 | if (err) | |
256da02d | 5840 | return ERR_PTR(err); |
ea73cbce JB |
5841 | /* add other standalone attributes here */ |
5842 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { | |
5843 | n_match_sets++; | |
5844 | continue; | |
5845 | } | |
5846 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
5847 | if (rssi) | |
5848 | default_match_rssi = nla_get_s32(rssi); | |
5849 | } | |
5850 | } | |
5851 | ||
5852 | /* However, if there's no other matchset, add the RSSI one */ | |
5853 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
5854 | n_match_sets = 1; | |
a1f1c21c LC |
5855 | |
5856 | if (n_match_sets > wiphy->max_match_sets) | |
256da02d | 5857 | return ERR_PTR(-EINVAL); |
a1f1c21c | 5858 | |
256da02d LC |
5859 | if (attrs[NL80211_ATTR_IE]) |
5860 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
5861 | else |
5862 | ie_len = 0; | |
5863 | ||
5a865bad | 5864 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 5865 | return ERR_PTR(-EINVAL); |
c10841ca | 5866 | |
807f8a8c | 5867 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5868 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5869 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5870 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5871 | + ie_len, GFP_KERNEL); |
256da02d LC |
5872 | if (!request) |
5873 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
5874 | |
5875 | if (n_ssids) | |
5876 | request->ssids = (void *)&request->channels[n_channels]; | |
5877 | request->n_ssids = n_ssids; | |
5878 | if (ie_len) { | |
5879 | if (request->ssids) | |
5880 | request->ie = (void *)(request->ssids + n_ssids); | |
5881 | else | |
5882 | request->ie = (void *)(request->channels + n_channels); | |
5883 | } | |
5884 | ||
a1f1c21c LC |
5885 | if (n_match_sets) { |
5886 | if (request->ie) | |
5887 | request->match_sets = (void *)(request->ie + ie_len); | |
5888 | else if (request->ssids) | |
5889 | request->match_sets = | |
5890 | (void *)(request->ssids + n_ssids); | |
5891 | else | |
5892 | request->match_sets = | |
5893 | (void *)(request->channels + n_channels); | |
5894 | } | |
5895 | request->n_match_sets = n_match_sets; | |
5896 | ||
807f8a8c | 5897 | i = 0; |
256da02d | 5898 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
5899 | /* user specified, bail out if channel not found */ |
5900 | nla_for_each_nested(attr, | |
256da02d | 5901 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
5902 | tmp) { |
5903 | struct ieee80211_channel *chan; | |
5904 | ||
5905 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5906 | ||
5907 | if (!chan) { | |
5908 | err = -EINVAL; | |
5909 | goto out_free; | |
5910 | } | |
5911 | ||
5912 | /* ignore disabled channels */ | |
5913 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5914 | continue; | |
5915 | ||
5916 | request->channels[i] = chan; | |
5917 | i++; | |
5918 | } | |
5919 | } else { | |
5920 | /* all channels */ | |
5921 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
5922 | int j; | |
5923 | if (!wiphy->bands[band]) | |
5924 | continue; | |
5925 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
5926 | struct ieee80211_channel *chan; | |
5927 | ||
5928 | chan = &wiphy->bands[band]->channels[j]; | |
5929 | ||
5930 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5931 | continue; | |
5932 | ||
5933 | request->channels[i] = chan; | |
5934 | i++; | |
5935 | } | |
5936 | } | |
5937 | } | |
5938 | ||
5939 | if (!i) { | |
5940 | err = -EINVAL; | |
5941 | goto out_free; | |
5942 | } | |
5943 | ||
5944 | request->n_channels = i; | |
5945 | ||
5946 | i = 0; | |
256da02d LC |
5947 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) { |
5948 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c | 5949 | tmp) { |
57a27e1d | 5950 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
5951 | err = -EINVAL; |
5952 | goto out_free; | |
5953 | } | |
57a27e1d | 5954 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
5955 | memcpy(request->ssids[i].ssid, nla_data(attr), |
5956 | nla_len(attr)); | |
807f8a8c LC |
5957 | i++; |
5958 | } | |
5959 | } | |
5960 | ||
a1f1c21c | 5961 | i = 0; |
256da02d | 5962 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 5963 | nla_for_each_nested(attr, |
256da02d | 5964 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 5965 | tmp) { |
88e920b4 | 5966 | struct nlattr *ssid, *rssi; |
a1f1c21c | 5967 | |
ae811e21 JB |
5968 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, |
5969 | nla_data(attr), nla_len(attr), | |
5970 | nl80211_match_policy); | |
5971 | if (err) | |
5972 | goto out_free; | |
4a4ab0d7 | 5973 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c | 5974 | if (ssid) { |
ea73cbce JB |
5975 | if (WARN_ON(i >= n_match_sets)) { |
5976 | /* this indicates a programming error, | |
5977 | * the loop above should have verified | |
5978 | * things properly | |
5979 | */ | |
5980 | err = -EINVAL; | |
5981 | goto out_free; | |
5982 | } | |
5983 | ||
a1f1c21c LC |
5984 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
5985 | err = -EINVAL; | |
5986 | goto out_free; | |
5987 | } | |
5988 | memcpy(request->match_sets[i].ssid.ssid, | |
5989 | nla_data(ssid), nla_len(ssid)); | |
5990 | request->match_sets[i].ssid.ssid_len = | |
5991 | nla_len(ssid); | |
ea73cbce JB |
5992 | /* special attribute - old implemenation w/a */ |
5993 | request->match_sets[i].rssi_thold = | |
5994 | default_match_rssi; | |
5995 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
5996 | if (rssi) | |
5997 | request->match_sets[i].rssi_thold = | |
5998 | nla_get_s32(rssi); | |
a1f1c21c LC |
5999 | } |
6000 | i++; | |
6001 | } | |
ea73cbce JB |
6002 | |
6003 | /* there was no other matchset, so the RSSI one is alone */ | |
6004 | if (i == 0) | |
6005 | request->match_sets[0].rssi_thold = default_match_rssi; | |
6006 | ||
6007 | request->min_rssi_thold = INT_MAX; | |
6008 | for (i = 0; i < n_match_sets; i++) | |
6009 | request->min_rssi_thold = | |
6010 | min(request->match_sets[i].rssi_thold, | |
6011 | request->min_rssi_thold); | |
6012 | } else { | |
6013 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
6014 | } |
6015 | ||
9900e484 JB |
6016 | if (ie_len) { |
6017 | request->ie_len = ie_len; | |
807f8a8c | 6018 | memcpy((void *)request->ie, |
256da02d | 6019 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
6020 | request->ie_len); |
6021 | } | |
6022 | ||
256da02d | 6023 | if (attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 | 6024 | request->flags = nla_get_u32( |
256da02d | 6025 | attrs[NL80211_ATTR_SCAN_FLAGS]); |
00c3a6ed JB |
6026 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
6027 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
6028 | err = -EOPNOTSUPP; |
6029 | goto out_free; | |
6030 | } | |
ad2b26ab JB |
6031 | |
6032 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6033 | u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; | |
6034 | ||
6035 | if (!wdev) /* must be net-detect */ | |
6036 | flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
6037 | ||
6038 | if (!(wiphy->features & flg)) { | |
6039 | err = -EOPNOTSUPP; | |
6040 | goto out_free; | |
6041 | } | |
6042 | ||
6043 | if (wdev && wdev->current_bss) { | |
6044 | err = -EOPNOTSUPP; | |
6045 | goto out_free; | |
6046 | } | |
6047 | ||
6048 | err = nl80211_parse_random_mac(attrs, request->mac_addr, | |
6049 | request->mac_addr_mask); | |
6050 | if (err) | |
6051 | goto out_free; | |
6052 | } | |
46856bbf | 6053 | } |
ed473771 | 6054 | |
bbe6ad6d | 6055 | request->interval = interval; |
15d6030b | 6056 | request->scan_start = jiffies; |
807f8a8c | 6057 | |
256da02d | 6058 | return request; |
807f8a8c LC |
6059 | |
6060 | out_free: | |
6061 | kfree(request); | |
256da02d LC |
6062 | return ERR_PTR(err); |
6063 | } | |
6064 | ||
6065 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
6066 | struct genl_info *info) | |
6067 | { | |
6068 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6069 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 6070 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
256da02d LC |
6071 | int err; |
6072 | ||
6073 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
6074 | !rdev->ops->sched_scan_start) | |
6075 | return -EOPNOTSUPP; | |
6076 | ||
6077 | if (rdev->sched_scan_req) | |
6078 | return -EINPROGRESS; | |
6079 | ||
ad2b26ab | 6080 | rdev->sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
256da02d LC |
6081 | info->attrs); |
6082 | err = PTR_ERR_OR_ZERO(rdev->sched_scan_req); | |
6083 | if (err) | |
6084 | goto out_err; | |
6085 | ||
6086 | err = rdev_sched_scan_start(rdev, dev, rdev->sched_scan_req); | |
6087 | if (err) | |
6088 | goto out_free; | |
6089 | ||
6090 | rdev->sched_scan_req->dev = dev; | |
6091 | rdev->sched_scan_req->wiphy = &rdev->wiphy; | |
6092 | ||
6093 | nl80211_send_sched_scan(rdev, dev, | |
6094 | NL80211_CMD_START_SCHED_SCAN); | |
6095 | return 0; | |
6096 | ||
6097 | out_free: | |
6098 | kfree(rdev->sched_scan_req); | |
6099 | out_err: | |
6100 | rdev->sched_scan_req = NULL; | |
807f8a8c LC |
6101 | return err; |
6102 | } | |
6103 | ||
6104 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
6105 | struct genl_info *info) | |
6106 | { | |
6107 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6108 | ||
6109 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
6110 | !rdev->ops->sched_scan_stop) | |
6111 | return -EOPNOTSUPP; | |
6112 | ||
5fe231e8 | 6113 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
6114 | } |
6115 | ||
04f39047 SW |
6116 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
6117 | struct genl_info *info) | |
6118 | { | |
6119 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6120 | struct net_device *dev = info->user_ptr[1]; | |
6121 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
6122 | struct cfg80211_chan_def chandef; | |
55f7435c | 6123 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 6124 | unsigned int cac_time_ms; |
04f39047 SW |
6125 | int err; |
6126 | ||
55f7435c LR |
6127 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
6128 | if (dfs_region == NL80211_DFS_UNSET) | |
6129 | return -EINVAL; | |
6130 | ||
04f39047 SW |
6131 | err = nl80211_parse_chandef(rdev, info, &chandef); |
6132 | if (err) | |
6133 | return err; | |
6134 | ||
ff311bc1 SW |
6135 | if (netif_carrier_ok(dev)) |
6136 | return -EBUSY; | |
6137 | ||
04f39047 SW |
6138 | if (wdev->cac_started) |
6139 | return -EBUSY; | |
6140 | ||
2beb6dab | 6141 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 6142 | wdev->iftype); |
04f39047 SW |
6143 | if (err < 0) |
6144 | return err; | |
6145 | ||
6146 | if (err == 0) | |
6147 | return -EINVAL; | |
6148 | ||
fe7c3a1f | 6149 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
6150 | return -EINVAL; |
6151 | ||
6152 | if (!rdev->ops->start_radar_detection) | |
6153 | return -EOPNOTSUPP; | |
6154 | ||
31559f35 JD |
6155 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
6156 | if (WARN_ON(!cac_time_ms)) | |
6157 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
6158 | ||
6159 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef, | |
6160 | cac_time_ms); | |
04f39047 | 6161 | if (!err) { |
9e0e2961 | 6162 | wdev->chandef = chandef; |
04f39047 SW |
6163 | wdev->cac_started = true; |
6164 | wdev->cac_start_time = jiffies; | |
31559f35 | 6165 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 6166 | } |
04f39047 SW |
6167 | return err; |
6168 | } | |
6169 | ||
16ef1fe2 SW |
6170 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
6171 | { | |
6172 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6173 | struct net_device *dev = info->user_ptr[1]; | |
6174 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
6175 | struct cfg80211_csa_settings params; | |
6176 | /* csa_attrs is defined static to avoid waste of stack size - this | |
6177 | * function is called under RTNL lock, so this should not be a problem. | |
6178 | */ | |
6179 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
16ef1fe2 | 6180 | int err; |
ee4bc9e7 | 6181 | bool need_new_beacon = false; |
9a774c78 | 6182 | int len, i; |
252e07ca | 6183 | u32 cs_count; |
16ef1fe2 SW |
6184 | |
6185 | if (!rdev->ops->channel_switch || | |
6186 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
6187 | return -EOPNOTSUPP; | |
6188 | ||
ee4bc9e7 SW |
6189 | switch (dev->ieee80211_ptr->iftype) { |
6190 | case NL80211_IFTYPE_AP: | |
6191 | case NL80211_IFTYPE_P2P_GO: | |
6192 | need_new_beacon = true; | |
6193 | ||
6194 | /* useless if AP is not running */ | |
6195 | if (!wdev->beacon_interval) | |
1ff79dfa | 6196 | return -ENOTCONN; |
ee4bc9e7 SW |
6197 | break; |
6198 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
6199 | if (!wdev->ssid_len) |
6200 | return -ENOTCONN; | |
6201 | break; | |
c6da674a | 6202 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
6203 | if (!wdev->mesh_id_len) |
6204 | return -ENOTCONN; | |
ee4bc9e7 SW |
6205 | break; |
6206 | default: | |
16ef1fe2 | 6207 | return -EOPNOTSUPP; |
ee4bc9e7 | 6208 | } |
16ef1fe2 SW |
6209 | |
6210 | memset(¶ms, 0, sizeof(params)); | |
6211 | ||
6212 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
6213 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
6214 | return -EINVAL; | |
6215 | ||
6216 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 6217 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
6218 | return -EINVAL; |
6219 | ||
252e07ca LC |
6220 | /* Even though the attribute is u32, the specification says |
6221 | * u8, so let's make sure we don't overflow. | |
6222 | */ | |
6223 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
6224 | if (cs_count > 255) | |
6225 | return -EINVAL; | |
6226 | ||
6227 | params.count = cs_count; | |
16ef1fe2 | 6228 | |
ee4bc9e7 SW |
6229 | if (!need_new_beacon) |
6230 | goto skip_beacons; | |
6231 | ||
16ef1fe2 SW |
6232 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
6233 | if (err) | |
6234 | return err; | |
6235 | ||
6236 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
6237 | info->attrs[NL80211_ATTR_CSA_IES], | |
6238 | nl80211_policy); | |
6239 | if (err) | |
6240 | return err; | |
6241 | ||
6242 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
6243 | if (err) | |
6244 | return err; | |
6245 | ||
6246 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
6247 | return -EINVAL; | |
6248 | ||
9a774c78 AO |
6249 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
6250 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
6251 | return -EINVAL; |
6252 | ||
9a774c78 AO |
6253 | params.n_counter_offsets_beacon = len / sizeof(u16); |
6254 | if (rdev->wiphy.max_num_csa_counters && | |
6255 | (params.n_counter_offsets_beacon > | |
6256 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
6257 | return -EINVAL; |
6258 | ||
9a774c78 AO |
6259 | params.counter_offsets_beacon = |
6260 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
6261 | ||
6262 | /* sanity checks - counters should fit and be the same */ | |
6263 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
6264 | u16 offset = params.counter_offsets_beacon[i]; | |
6265 | ||
6266 | if (offset >= params.beacon_csa.tail_len) | |
6267 | return -EINVAL; | |
6268 | ||
6269 | if (params.beacon_csa.tail[offset] != params.count) | |
6270 | return -EINVAL; | |
6271 | } | |
6272 | ||
16ef1fe2 | 6273 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
6274 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
6275 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
6276 | return -EINVAL; |
6277 | ||
9a774c78 AO |
6278 | params.n_counter_offsets_presp = len / sizeof(u16); |
6279 | if (rdev->wiphy.max_num_csa_counters && | |
6280 | (params.n_counter_offsets_beacon > | |
6281 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 | 6282 | return -EINVAL; |
9a774c78 AO |
6283 | |
6284 | params.counter_offsets_presp = | |
6285 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
6286 | ||
6287 | /* sanity checks - counters should fit and be the same */ | |
6288 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
6289 | u16 offset = params.counter_offsets_presp[i]; | |
6290 | ||
6291 | if (offset >= params.beacon_csa.probe_resp_len) | |
6292 | return -EINVAL; | |
6293 | ||
6294 | if (params.beacon_csa.probe_resp[offset] != | |
6295 | params.count) | |
6296 | return -EINVAL; | |
6297 | } | |
16ef1fe2 SW |
6298 | } |
6299 | ||
ee4bc9e7 | 6300 | skip_beacons: |
16ef1fe2 SW |
6301 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
6302 | if (err) | |
6303 | return err; | |
6304 | ||
174e0cd2 IP |
6305 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, |
6306 | wdev->iftype)) | |
16ef1fe2 SW |
6307 | return -EINVAL; |
6308 | ||
2beb6dab LC |
6309 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
6310 | ¶ms.chandef, | |
6311 | wdev->iftype); | |
6312 | if (err < 0) | |
6313 | return err; | |
6314 | ||
dcc6c2f5 | 6315 | if (err > 0) |
2beb6dab | 6316 | params.radar_required = true; |
16ef1fe2 | 6317 | |
16ef1fe2 SW |
6318 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
6319 | params.block_tx = true; | |
6320 | ||
c56589ed SW |
6321 | wdev_lock(wdev); |
6322 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
6323 | wdev_unlock(wdev); | |
6324 | ||
6325 | return err; | |
16ef1fe2 SW |
6326 | } |
6327 | ||
9720bb3a JB |
6328 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
6329 | u32 seq, int flags, | |
2a519311 | 6330 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
6331 | struct wireless_dev *wdev, |
6332 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 6333 | { |
48ab905d | 6334 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 6335 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
6336 | void *hdr; |
6337 | struct nlattr *bss; | |
48ab905d JB |
6338 | |
6339 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 6340 | |
15e47304 | 6341 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
6342 | NL80211_CMD_NEW_SCAN_RESULTS); |
6343 | if (!hdr) | |
6344 | return -1; | |
6345 | ||
9720bb3a JB |
6346 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
6347 | ||
97990a06 JB |
6348 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
6349 | goto nla_put_failure; | |
6350 | if (wdev->netdev && | |
9360ffd1 DM |
6351 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
6352 | goto nla_put_failure; | |
97990a06 JB |
6353 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
6354 | goto nla_put_failure; | |
2a519311 JB |
6355 | |
6356 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
6357 | if (!bss) | |
6358 | goto nla_put_failure; | |
9360ffd1 | 6359 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 6360 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 6361 | goto nla_put_failure; |
9caf0364 JB |
6362 | |
6363 | rcu_read_lock(); | |
0e227084 JB |
6364 | /* indicate whether we have probe response data or not */ |
6365 | if (rcu_access_pointer(res->proberesp_ies) && | |
6366 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
6367 | goto fail_unlock_rcu; | |
6368 | ||
6369 | /* this pointer prefers to be pointed to probe response data | |
6370 | * but is always valid | |
6371 | */ | |
9caf0364 | 6372 | ies = rcu_dereference(res->ies); |
8cef2c9d JB |
6373 | if (ies) { |
6374 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
6375 | goto fail_unlock_rcu; | |
8cef2c9d JB |
6376 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
6377 | ies->len, ies->data)) | |
6378 | goto fail_unlock_rcu; | |
9caf0364 | 6379 | } |
0e227084 JB |
6380 | |
6381 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 6382 | ies = rcu_dereference(res->beacon_ies); |
0e227084 JB |
6383 | if (ies && ies->from_beacon) { |
6384 | if (nla_put_u64(msg, NL80211_BSS_BEACON_TSF, ies->tsf)) | |
8cef2c9d JB |
6385 | goto fail_unlock_rcu; |
6386 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
6387 | ies->len, ies->data)) | |
6388 | goto fail_unlock_rcu; | |
9caf0364 JB |
6389 | } |
6390 | rcu_read_unlock(); | |
6391 | ||
9360ffd1 DM |
6392 | if (res->beacon_interval && |
6393 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
6394 | goto nla_put_failure; | |
6395 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
6396 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 6397 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
6398 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
6399 | jiffies_to_msecs(jiffies - intbss->ts))) | |
6400 | goto nla_put_failure; | |
2a519311 | 6401 | |
77965c97 | 6402 | switch (rdev->wiphy.signal_type) { |
2a519311 | 6403 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
6404 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
6405 | goto nla_put_failure; | |
2a519311 JB |
6406 | break; |
6407 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
6408 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
6409 | goto nla_put_failure; | |
2a519311 JB |
6410 | break; |
6411 | default: | |
6412 | break; | |
6413 | } | |
6414 | ||
48ab905d | 6415 | switch (wdev->iftype) { |
074ac8df | 6416 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 6417 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
6418 | if (intbss == wdev->current_bss && |
6419 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6420 | NL80211_BSS_STATUS_ASSOCIATED)) | |
6421 | goto nla_put_failure; | |
48ab905d JB |
6422 | break; |
6423 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
6424 | if (intbss == wdev->current_bss && |
6425 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6426 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
6427 | goto nla_put_failure; | |
48ab905d JB |
6428 | break; |
6429 | default: | |
6430 | break; | |
6431 | } | |
6432 | ||
2a519311 JB |
6433 | nla_nest_end(msg, bss); |
6434 | ||
6435 | return genlmsg_end(msg, hdr); | |
6436 | ||
8cef2c9d JB |
6437 | fail_unlock_rcu: |
6438 | rcu_read_unlock(); | |
2a519311 JB |
6439 | nla_put_failure: |
6440 | genlmsg_cancel(msg, hdr); | |
6441 | return -EMSGSIZE; | |
6442 | } | |
6443 | ||
97990a06 | 6444 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 6445 | { |
48ab905d | 6446 | struct cfg80211_registered_device *rdev; |
2a519311 | 6447 | struct cfg80211_internal_bss *scan; |
48ab905d | 6448 | struct wireless_dev *wdev; |
97990a06 | 6449 | int start = cb->args[2], idx = 0; |
2a519311 JB |
6450 | int err; |
6451 | ||
97990a06 | 6452 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6453 | if (err) |
6454 | return err; | |
2a519311 | 6455 | |
48ab905d JB |
6456 | wdev_lock(wdev); |
6457 | spin_lock_bh(&rdev->bss_lock); | |
6458 | cfg80211_bss_expire(rdev); | |
6459 | ||
9720bb3a JB |
6460 | cb->seq = rdev->bss_generation; |
6461 | ||
48ab905d | 6462 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
6463 | if (++idx <= start) |
6464 | continue; | |
9720bb3a | 6465 | if (nl80211_send_bss(skb, cb, |
2a519311 | 6466 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 6467 | rdev, wdev, scan) < 0) { |
2a519311 | 6468 | idx--; |
67748893 | 6469 | break; |
2a519311 JB |
6470 | } |
6471 | } | |
6472 | ||
48ab905d JB |
6473 | spin_unlock_bh(&rdev->bss_lock); |
6474 | wdev_unlock(wdev); | |
2a519311 | 6475 | |
97990a06 JB |
6476 | cb->args[2] = idx; |
6477 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 6478 | |
67748893 | 6479 | return skb->len; |
2a519311 JB |
6480 | } |
6481 | ||
15e47304 | 6482 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
6483 | int flags, struct net_device *dev, |
6484 | struct survey_info *survey) | |
6485 | { | |
6486 | void *hdr; | |
6487 | struct nlattr *infoattr; | |
6488 | ||
15e47304 | 6489 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
6490 | NL80211_CMD_NEW_SURVEY_RESULTS); |
6491 | if (!hdr) | |
6492 | return -ENOMEM; | |
6493 | ||
9360ffd1 DM |
6494 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
6495 | goto nla_put_failure; | |
61fa713c HS |
6496 | |
6497 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
6498 | if (!infoattr) | |
6499 | goto nla_put_failure; | |
6500 | ||
9360ffd1 DM |
6501 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
6502 | survey->channel->center_freq)) | |
6503 | goto nla_put_failure; | |
6504 | ||
6505 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
6506 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
6507 | goto nla_put_failure; | |
6508 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
6509 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
6510 | goto nla_put_failure; | |
6511 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
6512 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
6513 | survey->channel_time)) | |
6514 | goto nla_put_failure; | |
6515 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
6516 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
6517 | survey->channel_time_busy)) | |
6518 | goto nla_put_failure; | |
6519 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
6520 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
6521 | survey->channel_time_ext_busy)) | |
6522 | goto nla_put_failure; | |
6523 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
6524 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
6525 | survey->channel_time_rx)) | |
6526 | goto nla_put_failure; | |
6527 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
6528 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
6529 | survey->channel_time_tx)) | |
6530 | goto nla_put_failure; | |
61fa713c HS |
6531 | |
6532 | nla_nest_end(msg, infoattr); | |
6533 | ||
6534 | return genlmsg_end(msg, hdr); | |
6535 | ||
6536 | nla_put_failure: | |
6537 | genlmsg_cancel(msg, hdr); | |
6538 | return -EMSGSIZE; | |
6539 | } | |
6540 | ||
6541 | static int nl80211_dump_survey(struct sk_buff *skb, | |
6542 | struct netlink_callback *cb) | |
6543 | { | |
6544 | struct survey_info survey; | |
1b8ec87a | 6545 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
6546 | struct wireless_dev *wdev; |
6547 | int survey_idx = cb->args[2]; | |
61fa713c HS |
6548 | int res; |
6549 | ||
1b8ec87a | 6550 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6551 | if (res) |
6552 | return res; | |
61fa713c | 6553 | |
97990a06 JB |
6554 | if (!wdev->netdev) { |
6555 | res = -EINVAL; | |
6556 | goto out_err; | |
6557 | } | |
6558 | ||
1b8ec87a | 6559 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
6560 | res = -EOPNOTSUPP; |
6561 | goto out_err; | |
6562 | } | |
6563 | ||
6564 | while (1) { | |
1b8ec87a | 6565 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
6566 | if (res == -ENOENT) |
6567 | break; | |
6568 | if (res) | |
6569 | goto out_err; | |
6570 | ||
180cdc79 LR |
6571 | /* Survey without a channel doesn't make sense */ |
6572 | if (!survey.channel) { | |
6573 | res = -EINVAL; | |
6574 | goto out; | |
6575 | } | |
6576 | ||
ea9eba6a | 6577 | if (survey.channel->flags & IEEE80211_CHAN_DISABLED) { |
180cdc79 LR |
6578 | survey_idx++; |
6579 | continue; | |
6580 | } | |
6581 | ||
61fa713c | 6582 | if (nl80211_send_survey(skb, |
15e47304 | 6583 | NETLINK_CB(cb->skb).portid, |
61fa713c | 6584 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 6585 | wdev->netdev, &survey) < 0) |
61fa713c HS |
6586 | goto out; |
6587 | survey_idx++; | |
6588 | } | |
6589 | ||
6590 | out: | |
97990a06 | 6591 | cb->args[2] = survey_idx; |
61fa713c HS |
6592 | res = skb->len; |
6593 | out_err: | |
1b8ec87a | 6594 | nl80211_finish_wdev_dump(rdev); |
61fa713c HS |
6595 | return res; |
6596 | } | |
6597 | ||
b23aa676 SO |
6598 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
6599 | { | |
6600 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
6601 | NL80211_WPA_VERSION_2)); | |
6602 | } | |
6603 | ||
636a5d36 JM |
6604 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6605 | { | |
4c476991 JB |
6606 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6607 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6608 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6609 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6610 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6611 | enum nl80211_auth_type auth_type; |
fffd0934 | 6612 | struct key_parse key; |
d5cdfacb | 6613 | bool local_state_change; |
636a5d36 | 6614 | |
f4a11bb0 JB |
6615 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6616 | return -EINVAL; | |
6617 | ||
6618 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6619 | return -EINVAL; | |
6620 | ||
1778092e JM |
6621 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6622 | return -EINVAL; | |
6623 | ||
19957bb3 JB |
6624 | if (!info->attrs[NL80211_ATTR_SSID]) |
6625 | return -EINVAL; | |
6626 | ||
6627 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6628 | return -EINVAL; | |
6629 | ||
fffd0934 JB |
6630 | err = nl80211_parse_key(info, &key); |
6631 | if (err) | |
6632 | return err; | |
6633 | ||
6634 | if (key.idx >= 0) { | |
e31b8213 JB |
6635 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6636 | return -EINVAL; | |
fffd0934 JB |
6637 | if (!key.p.key || !key.p.key_len) |
6638 | return -EINVAL; | |
6639 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6640 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6641 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6642 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6643 | return -EINVAL; | |
6644 | if (key.idx > 4) | |
6645 | return -EINVAL; | |
6646 | } else { | |
6647 | key.p.key_len = 0; | |
6648 | key.p.key = NULL; | |
6649 | } | |
6650 | ||
afea0b7a JB |
6651 | if (key.idx >= 0) { |
6652 | int i; | |
6653 | bool ok = false; | |
6654 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6655 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6656 | ok = true; | |
6657 | break; | |
6658 | } | |
6659 | } | |
4c476991 JB |
6660 | if (!ok) |
6661 | return -EINVAL; | |
afea0b7a JB |
6662 | } |
6663 | ||
4c476991 JB |
6664 | if (!rdev->ops->auth) |
6665 | return -EOPNOTSUPP; | |
636a5d36 | 6666 | |
074ac8df | 6667 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6668 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6669 | return -EOPNOTSUPP; | |
eec60b03 | 6670 | |
19957bb3 | 6671 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
6672 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
6673 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
6674 | if (!chan) | |
4c476991 | 6675 | return -EINVAL; |
636a5d36 | 6676 | |
19957bb3 JB |
6677 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6678 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6679 | |
6680 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6681 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6682 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6683 | } |
6684 | ||
19957bb3 | 6685 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6686 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6687 | return -EINVAL; |
636a5d36 | 6688 | |
e39e5b5e JM |
6689 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6690 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6691 | return -EINVAL; | |
6692 | ||
6693 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6694 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6695 | return -EINVAL; | |
6696 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6697 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6698 | /* need to include at least Auth Transaction and Status Code */ | |
6699 | if (sae_data_len < 4) | |
6700 | return -EINVAL; | |
6701 | } | |
6702 | ||
d5cdfacb JM |
6703 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6704 | ||
95de817b JB |
6705 | /* |
6706 | * Since we no longer track auth state, ignore | |
6707 | * requests to only change local state. | |
6708 | */ | |
6709 | if (local_state_change) | |
6710 | return 0; | |
6711 | ||
91bf9b26 JB |
6712 | wdev_lock(dev->ieee80211_ptr); |
6713 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6714 | ssid, ssid_len, ie, ie_len, | |
6715 | key.p.key, key.p.key_len, key.idx, | |
6716 | sae_data, sae_data_len); | |
6717 | wdev_unlock(dev->ieee80211_ptr); | |
6718 | return err; | |
636a5d36 JM |
6719 | } |
6720 | ||
c0692b8f JB |
6721 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6722 | struct genl_info *info, | |
3dc27d25 JB |
6723 | struct cfg80211_crypto_settings *settings, |
6724 | int cipher_limit) | |
b23aa676 | 6725 | { |
c0b2bbd8 JB |
6726 | memset(settings, 0, sizeof(*settings)); |
6727 | ||
b23aa676 SO |
6728 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6729 | ||
c0692b8f JB |
6730 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6731 | u16 proto; | |
6732 | proto = nla_get_u16( | |
6733 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6734 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6735 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6736 | proto != ETH_P_PAE) | |
6737 | return -EINVAL; | |
6738 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6739 | settings->control_port_no_encrypt = true; | |
6740 | } else | |
6741 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6742 | ||
b23aa676 SO |
6743 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6744 | void *data; | |
6745 | int len, i; | |
6746 | ||
6747 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6748 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6749 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6750 | ||
6751 | if (len % sizeof(u32)) | |
6752 | return -EINVAL; | |
6753 | ||
3dc27d25 | 6754 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6755 | return -EINVAL; |
6756 | ||
6757 | memcpy(settings->ciphers_pairwise, data, len); | |
6758 | ||
6759 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6760 | if (!cfg80211_supported_cipher_suite( |
6761 | &rdev->wiphy, | |
b23aa676 SO |
6762 | settings->ciphers_pairwise[i])) |
6763 | return -EINVAL; | |
6764 | } | |
6765 | ||
6766 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6767 | settings->cipher_group = | |
6768 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6769 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6770 | settings->cipher_group)) | |
b23aa676 SO |
6771 | return -EINVAL; |
6772 | } | |
6773 | ||
6774 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6775 | settings->wpa_versions = | |
6776 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6777 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6778 | return -EINVAL; | |
6779 | } | |
6780 | ||
6781 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6782 | void *data; | |
6d30240e | 6783 | int len; |
b23aa676 SO |
6784 | |
6785 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6786 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6787 | settings->n_akm_suites = len / sizeof(u32); | |
6788 | ||
6789 | if (len % sizeof(u32)) | |
6790 | return -EINVAL; | |
6791 | ||
1b9ca027 JM |
6792 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6793 | return -EINVAL; | |
6794 | ||
b23aa676 | 6795 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6796 | } |
6797 | ||
6798 | return 0; | |
6799 | } | |
6800 | ||
636a5d36 JM |
6801 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6802 | { | |
4c476991 JB |
6803 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6804 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6805 | struct ieee80211_channel *chan; |
f62fab73 JB |
6806 | struct cfg80211_assoc_request req = {}; |
6807 | const u8 *bssid, *ssid; | |
6808 | int err, ssid_len = 0; | |
636a5d36 | 6809 | |
f4a11bb0 JB |
6810 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6811 | return -EINVAL; | |
6812 | ||
6813 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6814 | !info->attrs[NL80211_ATTR_SSID] || |
6815 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6816 | return -EINVAL; |
6817 | ||
4c476991 JB |
6818 | if (!rdev->ops->assoc) |
6819 | return -EOPNOTSUPP; | |
636a5d36 | 6820 | |
074ac8df | 6821 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6822 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6823 | return -EOPNOTSUPP; | |
eec60b03 | 6824 | |
19957bb3 | 6825 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6826 | |
664834de JM |
6827 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
6828 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
6829 | if (!chan) | |
4c476991 | 6830 | return -EINVAL; |
636a5d36 | 6831 | |
19957bb3 JB |
6832 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6833 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6834 | |
6835 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6836 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6837 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6838 | } |
6839 | ||
dc6382ce | 6840 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6841 | enum nl80211_mfp mfp = |
dc6382ce | 6842 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6843 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6844 | req.use_mfp = true; |
4c476991 JB |
6845 | else if (mfp != NL80211_MFP_NO) |
6846 | return -EINVAL; | |
dc6382ce JM |
6847 | } |
6848 | ||
3e5d7649 | 6849 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6850 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6851 | |
7e7c8926 | 6852 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6853 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6854 | |
6855 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6856 | memcpy(&req.ht_capa_mask, |
6857 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6858 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6859 | |
6860 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6861 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6862 | return -EINVAL; |
f62fab73 JB |
6863 | memcpy(&req.ht_capa, |
6864 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6865 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6866 | } |
6867 | ||
ee2aca34 | 6868 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6869 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6870 | |
6871 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6872 | memcpy(&req.vht_capa_mask, |
6873 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6874 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6875 | |
6876 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6877 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6878 | return -EINVAL; |
f62fab73 JB |
6879 | memcpy(&req.vht_capa, |
6880 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6881 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6882 | } |
6883 | ||
bab5ab7d AK |
6884 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
6885 | if (!(rdev->wiphy.features & | |
6886 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || | |
6887 | !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) | |
6888 | return -EINVAL; | |
6889 | req.flags |= ASSOC_REQ_USE_RRM; | |
6890 | } | |
6891 | ||
f62fab73 | 6892 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
6893 | if (!err) { |
6894 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
6895 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6896 | ssid, ssid_len, &req); | |
91bf9b26 JB |
6897 | wdev_unlock(dev->ieee80211_ptr); |
6898 | } | |
636a5d36 | 6899 | |
636a5d36 JM |
6900 | return err; |
6901 | } | |
6902 | ||
6903 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
6904 | { | |
4c476991 JB |
6905 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6906 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6907 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6908 | int ie_len = 0, err; |
19957bb3 | 6909 | u16 reason_code; |
d5cdfacb | 6910 | bool local_state_change; |
636a5d36 | 6911 | |
f4a11bb0 JB |
6912 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6913 | return -EINVAL; | |
6914 | ||
6915 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6916 | return -EINVAL; | |
6917 | ||
6918 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6919 | return -EINVAL; | |
6920 | ||
4c476991 JB |
6921 | if (!rdev->ops->deauth) |
6922 | return -EOPNOTSUPP; | |
636a5d36 | 6923 | |
074ac8df | 6924 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6925 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6926 | return -EOPNOTSUPP; | |
eec60b03 | 6927 | |
19957bb3 | 6928 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6929 | |
19957bb3 JB |
6930 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6931 | if (reason_code == 0) { | |
f4a11bb0 | 6932 | /* Reason Code 0 is reserved */ |
4c476991 | 6933 | return -EINVAL; |
255e737e | 6934 | } |
636a5d36 JM |
6935 | |
6936 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6937 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6938 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6939 | } |
6940 | ||
d5cdfacb JM |
6941 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6942 | ||
91bf9b26 JB |
6943 | wdev_lock(dev->ieee80211_ptr); |
6944 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
6945 | local_state_change); | |
6946 | wdev_unlock(dev->ieee80211_ptr); | |
6947 | return err; | |
636a5d36 JM |
6948 | } |
6949 | ||
6950 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
6951 | { | |
4c476991 JB |
6952 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6953 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6954 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 6955 | int ie_len = 0, err; |
19957bb3 | 6956 | u16 reason_code; |
d5cdfacb | 6957 | bool local_state_change; |
636a5d36 | 6958 | |
f4a11bb0 JB |
6959 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6960 | return -EINVAL; | |
6961 | ||
6962 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6963 | return -EINVAL; | |
6964 | ||
6965 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
6966 | return -EINVAL; | |
6967 | ||
4c476991 JB |
6968 | if (!rdev->ops->disassoc) |
6969 | return -EOPNOTSUPP; | |
636a5d36 | 6970 | |
074ac8df | 6971 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6972 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6973 | return -EOPNOTSUPP; | |
eec60b03 | 6974 | |
19957bb3 | 6975 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 6976 | |
19957bb3 JB |
6977 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
6978 | if (reason_code == 0) { | |
f4a11bb0 | 6979 | /* Reason Code 0 is reserved */ |
4c476991 | 6980 | return -EINVAL; |
255e737e | 6981 | } |
636a5d36 JM |
6982 | |
6983 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6984 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6985 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6986 | } |
6987 | ||
d5cdfacb JM |
6988 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6989 | ||
91bf9b26 JB |
6990 | wdev_lock(dev->ieee80211_ptr); |
6991 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
6992 | local_state_change); | |
6993 | wdev_unlock(dev->ieee80211_ptr); | |
6994 | return err; | |
636a5d36 JM |
6995 | } |
6996 | ||
dd5b4cc7 FF |
6997 | static bool |
6998 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
6999 | int mcast_rate[IEEE80211_NUM_BANDS], | |
7000 | int rateval) | |
7001 | { | |
7002 | struct wiphy *wiphy = &rdev->wiphy; | |
7003 | bool found = false; | |
7004 | int band, i; | |
7005 | ||
7006 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
7007 | struct ieee80211_supported_band *sband; | |
7008 | ||
7009 | sband = wiphy->bands[band]; | |
7010 | if (!sband) | |
7011 | continue; | |
7012 | ||
7013 | for (i = 0; i < sband->n_bitrates; i++) { | |
7014 | if (sband->bitrates[i].bitrate == rateval) { | |
7015 | mcast_rate[band] = i + 1; | |
7016 | found = true; | |
7017 | break; | |
7018 | } | |
7019 | } | |
7020 | } | |
7021 | ||
7022 | return found; | |
7023 | } | |
7024 | ||
04a773ad JB |
7025 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
7026 | { | |
4c476991 JB |
7027 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7028 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
7029 | struct cfg80211_ibss_params ibss; |
7030 | struct wiphy *wiphy; | |
fffd0934 | 7031 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
7032 | int err; |
7033 | ||
8e30bc55 JB |
7034 | memset(&ibss, 0, sizeof(ibss)); |
7035 | ||
04a773ad JB |
7036 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7037 | return -EINVAL; | |
7038 | ||
683b6d3b | 7039 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
7040 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
7041 | return -EINVAL; | |
7042 | ||
8e30bc55 JB |
7043 | ibss.beacon_interval = 100; |
7044 | ||
7045 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
7046 | ibss.beacon_interval = | |
7047 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
7048 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
7049 | return -EINVAL; | |
7050 | } | |
7051 | ||
4c476991 JB |
7052 | if (!rdev->ops->join_ibss) |
7053 | return -EOPNOTSUPP; | |
04a773ad | 7054 | |
4c476991 JB |
7055 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
7056 | return -EOPNOTSUPP; | |
04a773ad | 7057 | |
79c97e97 | 7058 | wiphy = &rdev->wiphy; |
04a773ad | 7059 | |
39193498 | 7060 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 7061 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
7062 | |
7063 | if (!is_valid_ether_addr(ibss.bssid)) | |
7064 | return -EINVAL; | |
7065 | } | |
04a773ad JB |
7066 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7067 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
7068 | ||
7069 | if (info->attrs[NL80211_ATTR_IE]) { | |
7070 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
7071 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
7072 | } | |
7073 | ||
683b6d3b JB |
7074 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
7075 | if (err) | |
7076 | return err; | |
04a773ad | 7077 | |
174e0cd2 IP |
7078 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
7079 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
7080 | return -EINVAL; |
7081 | ||
2f301ab2 | 7082 | switch (ibss.chandef.width) { |
bf372645 SW |
7083 | case NL80211_CHAN_WIDTH_5: |
7084 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
7085 | case NL80211_CHAN_WIDTH_20_NOHT: |
7086 | break; | |
7087 | case NL80211_CHAN_WIDTH_20: | |
7088 | case NL80211_CHAN_WIDTH_40: | |
7089 | if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) | |
7090 | break; | |
7091 | default: | |
c04d6150 | 7092 | return -EINVAL; |
2f301ab2 | 7093 | } |
db9c64cf | 7094 | |
04a773ad | 7095 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
7096 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
7097 | ||
fbd2c8dc TP |
7098 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
7099 | u8 *rates = | |
7100 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7101 | int n_rates = | |
7102 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7103 | struct ieee80211_supported_band *sband = | |
683b6d3b | 7104 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 7105 | |
34850ab2 JB |
7106 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
7107 | &ibss.basic_rates); | |
7108 | if (err) | |
7109 | return err; | |
fbd2c8dc | 7110 | } |
dd5b4cc7 | 7111 | |
803768f5 SW |
7112 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7113 | memcpy(&ibss.ht_capa_mask, | |
7114 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7115 | sizeof(ibss.ht_capa_mask)); | |
7116 | ||
7117 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
7118 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7119 | return -EINVAL; | |
7120 | memcpy(&ibss.ht_capa, | |
7121 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7122 | sizeof(ibss.ht_capa)); | |
7123 | } | |
7124 | ||
dd5b4cc7 FF |
7125 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
7126 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
7127 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
7128 | return -EINVAL; | |
fbd2c8dc | 7129 | |
4c476991 | 7130 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
7131 | bool no_ht = false; |
7132 | ||
4c476991 | 7133 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
7134 | info->attrs[NL80211_ATTR_KEYS], |
7135 | &no_ht); | |
4c476991 JB |
7136 | if (IS_ERR(connkeys)) |
7137 | return PTR_ERR(connkeys); | |
de7044ee | 7138 | |
3d9d1d66 JB |
7139 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
7140 | no_ht) { | |
de7044ee SM |
7141 | kfree(connkeys); |
7142 | return -EINVAL; | |
7143 | } | |
4c476991 | 7144 | } |
04a773ad | 7145 | |
267335d6 AQ |
7146 | ibss.control_port = |
7147 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
7148 | ||
5336fa88 SW |
7149 | ibss.userspace_handles_dfs = |
7150 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
7151 | ||
4c476991 | 7152 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 | 7153 | if (err) |
b47f610b | 7154 | kzfree(connkeys); |
04a773ad JB |
7155 | return err; |
7156 | } | |
7157 | ||
7158 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
7159 | { | |
4c476991 JB |
7160 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7161 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 7162 | |
4c476991 JB |
7163 | if (!rdev->ops->leave_ibss) |
7164 | return -EOPNOTSUPP; | |
04a773ad | 7165 | |
4c476991 JB |
7166 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
7167 | return -EOPNOTSUPP; | |
04a773ad | 7168 | |
4c476991 | 7169 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
7170 | } |
7171 | ||
f4e583c8 AQ |
7172 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
7173 | { | |
7174 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7175 | struct net_device *dev = info->user_ptr[1]; | |
7176 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
7177 | u32 nla_rate; | |
7178 | int err; | |
7179 | ||
7180 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
7181 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
7182 | return -EOPNOTSUPP; | |
7183 | ||
7184 | if (!rdev->ops->set_mcast_rate) | |
7185 | return -EOPNOTSUPP; | |
7186 | ||
7187 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
7188 | ||
7189 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
7190 | return -EINVAL; | |
7191 | ||
7192 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
7193 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
7194 | return -EINVAL; | |
7195 | ||
7196 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
7197 | ||
7198 | return err; | |
7199 | } | |
7200 | ||
ad7e718c JB |
7201 | static struct sk_buff * |
7202 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
7203 | int approxlen, u32 portid, u32 seq, | |
7204 | enum nl80211_commands cmd, | |
567ffc35 JB |
7205 | enum nl80211_attrs attr, |
7206 | const struct nl80211_vendor_cmd_info *info, | |
7207 | gfp_t gfp) | |
ad7e718c JB |
7208 | { |
7209 | struct sk_buff *skb; | |
7210 | void *hdr; | |
7211 | struct nlattr *data; | |
7212 | ||
7213 | skb = nlmsg_new(approxlen + 100, gfp); | |
7214 | if (!skb) | |
7215 | return NULL; | |
7216 | ||
7217 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
7218 | if (!hdr) { | |
7219 | kfree_skb(skb); | |
7220 | return NULL; | |
7221 | } | |
7222 | ||
7223 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
7224 | goto nla_put_failure; | |
567ffc35 JB |
7225 | |
7226 | if (info) { | |
7227 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
7228 | info->vendor_id)) | |
7229 | goto nla_put_failure; | |
7230 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
7231 | info->subcmd)) | |
7232 | goto nla_put_failure; | |
7233 | } | |
7234 | ||
ad7e718c JB |
7235 | data = nla_nest_start(skb, attr); |
7236 | ||
7237 | ((void **)skb->cb)[0] = rdev; | |
7238 | ((void **)skb->cb)[1] = hdr; | |
7239 | ((void **)skb->cb)[2] = data; | |
7240 | ||
7241 | return skb; | |
7242 | ||
7243 | nla_put_failure: | |
7244 | kfree_skb(skb); | |
7245 | return NULL; | |
7246 | } | |
f4e583c8 | 7247 | |
e03ad6ea JB |
7248 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
7249 | enum nl80211_commands cmd, | |
7250 | enum nl80211_attrs attr, | |
7251 | int vendor_event_idx, | |
7252 | int approxlen, gfp_t gfp) | |
7253 | { | |
f26cbf40 | 7254 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
7255 | const struct nl80211_vendor_cmd_info *info; |
7256 | ||
7257 | switch (cmd) { | |
7258 | case NL80211_CMD_TESTMODE: | |
7259 | if (WARN_ON(vendor_event_idx != -1)) | |
7260 | return NULL; | |
7261 | info = NULL; | |
7262 | break; | |
7263 | case NL80211_CMD_VENDOR: | |
7264 | if (WARN_ON(vendor_event_idx < 0 || | |
7265 | vendor_event_idx >= wiphy->n_vendor_events)) | |
7266 | return NULL; | |
7267 | info = &wiphy->vendor_events[vendor_event_idx]; | |
7268 | break; | |
7269 | default: | |
7270 | WARN_ON(1); | |
7271 | return NULL; | |
7272 | } | |
7273 | ||
7274 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0, | |
7275 | cmd, attr, info, gfp); | |
7276 | } | |
7277 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
7278 | ||
7279 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
7280 | { | |
7281 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
7282 | void *hdr = ((void **)skb->cb)[1]; | |
7283 | struct nlattr *data = ((void **)skb->cb)[2]; | |
7284 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
7285 | ||
bd8c78e7 JB |
7286 | /* clear CB data for netlink core to own from now on */ |
7287 | memset(skb->cb, 0, sizeof(skb->cb)); | |
7288 | ||
e03ad6ea JB |
7289 | nla_nest_end(skb, data); |
7290 | genlmsg_end(skb, hdr); | |
7291 | ||
7292 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
7293 | mcgrp = NL80211_MCGRP_VENDOR; | |
7294 | ||
7295 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
7296 | mcgrp, gfp); | |
7297 | } | |
7298 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
7299 | ||
aff89a9b | 7300 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
7301 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
7302 | { | |
4c476991 | 7303 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
7304 | struct wireless_dev *wdev = |
7305 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
7306 | int err; |
7307 | ||
fc73f11f DS |
7308 | if (!rdev->ops->testmode_cmd) |
7309 | return -EOPNOTSUPP; | |
7310 | ||
7311 | if (IS_ERR(wdev)) { | |
7312 | err = PTR_ERR(wdev); | |
7313 | if (err != -EINVAL) | |
7314 | return err; | |
7315 | wdev = NULL; | |
7316 | } else if (wdev->wiphy != &rdev->wiphy) { | |
7317 | return -EINVAL; | |
7318 | } | |
7319 | ||
aff89a9b JB |
7320 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
7321 | return -EINVAL; | |
7322 | ||
ad7e718c | 7323 | rdev->cur_cmd_info = info; |
fc73f11f | 7324 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
7325 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
7326 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 7327 | rdev->cur_cmd_info = NULL; |
aff89a9b | 7328 | |
aff89a9b JB |
7329 | return err; |
7330 | } | |
7331 | ||
71063f0e WYG |
7332 | static int nl80211_testmode_dump(struct sk_buff *skb, |
7333 | struct netlink_callback *cb) | |
7334 | { | |
00918d33 | 7335 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
7336 | int err; |
7337 | long phy_idx; | |
7338 | void *data = NULL; | |
7339 | int data_len = 0; | |
7340 | ||
5fe231e8 JB |
7341 | rtnl_lock(); |
7342 | ||
71063f0e WYG |
7343 | if (cb->args[0]) { |
7344 | /* | |
7345 | * 0 is a valid index, but not valid for args[0], | |
7346 | * so we need to offset by 1. | |
7347 | */ | |
7348 | phy_idx = cb->args[0] - 1; | |
7349 | } else { | |
7350 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
7351 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
7352 | nl80211_policy); | |
7353 | if (err) | |
5fe231e8 | 7354 | goto out_err; |
00918d33 | 7355 | |
2bd7e35d JB |
7356 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
7357 | nl80211_fam.attrbuf); | |
7358 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
7359 | err = PTR_ERR(rdev); |
7360 | goto out_err; | |
00918d33 | 7361 | } |
2bd7e35d JB |
7362 | phy_idx = rdev->wiphy_idx; |
7363 | rdev = NULL; | |
2bd7e35d | 7364 | |
71063f0e WYG |
7365 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
7366 | cb->args[1] = | |
7367 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
7368 | } | |
7369 | ||
7370 | if (cb->args[1]) { | |
7371 | data = nla_data((void *)cb->args[1]); | |
7372 | data_len = nla_len((void *)cb->args[1]); | |
7373 | } | |
7374 | ||
00918d33 JB |
7375 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
7376 | if (!rdev) { | |
5fe231e8 JB |
7377 | err = -ENOENT; |
7378 | goto out_err; | |
71063f0e | 7379 | } |
71063f0e | 7380 | |
00918d33 | 7381 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
7382 | err = -EOPNOTSUPP; |
7383 | goto out_err; | |
7384 | } | |
7385 | ||
7386 | while (1) { | |
15e47304 | 7387 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
7388 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
7389 | NL80211_CMD_TESTMODE); | |
7390 | struct nlattr *tmdata; | |
7391 | ||
cb35fba3 DC |
7392 | if (!hdr) |
7393 | break; | |
7394 | ||
9360ffd1 | 7395 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
7396 | genlmsg_cancel(skb, hdr); |
7397 | break; | |
7398 | } | |
7399 | ||
7400 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
7401 | if (!tmdata) { | |
7402 | genlmsg_cancel(skb, hdr); | |
7403 | break; | |
7404 | } | |
e35e4d28 | 7405 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
7406 | nla_nest_end(skb, tmdata); |
7407 | ||
7408 | if (err == -ENOBUFS || err == -ENOENT) { | |
7409 | genlmsg_cancel(skb, hdr); | |
7410 | break; | |
7411 | } else if (err) { | |
7412 | genlmsg_cancel(skb, hdr); | |
7413 | goto out_err; | |
7414 | } | |
7415 | ||
7416 | genlmsg_end(skb, hdr); | |
7417 | } | |
7418 | ||
7419 | err = skb->len; | |
7420 | /* see above */ | |
7421 | cb->args[0] = phy_idx + 1; | |
7422 | out_err: | |
5fe231e8 | 7423 | rtnl_unlock(); |
71063f0e WYG |
7424 | return err; |
7425 | } | |
aff89a9b JB |
7426 | #endif |
7427 | ||
b23aa676 SO |
7428 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
7429 | { | |
4c476991 JB |
7430 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7431 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
7432 | struct cfg80211_connect_params connect; |
7433 | struct wiphy *wiphy; | |
fffd0934 | 7434 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
7435 | int err; |
7436 | ||
7437 | memset(&connect, 0, sizeof(connect)); | |
7438 | ||
7439 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
7440 | return -EINVAL; | |
7441 | ||
7442 | if (!info->attrs[NL80211_ATTR_SSID] || | |
7443 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
7444 | return -EINVAL; | |
7445 | ||
7446 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
7447 | connect.auth_type = | |
7448 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
7449 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
7450 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
7451 | return -EINVAL; |
7452 | } else | |
7453 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
7454 | ||
7455 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
7456 | ||
c0692b8f | 7457 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 7458 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
7459 | if (err) |
7460 | return err; | |
b23aa676 | 7461 | |
074ac8df | 7462 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7463 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7464 | return -EOPNOTSUPP; | |
b23aa676 | 7465 | |
79c97e97 | 7466 | wiphy = &rdev->wiphy; |
b23aa676 | 7467 | |
4486ea98 BS |
7468 | connect.bg_scan_period = -1; |
7469 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
7470 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
7471 | connect.bg_scan_period = | |
7472 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
7473 | } | |
7474 | ||
b23aa676 SO |
7475 | if (info->attrs[NL80211_ATTR_MAC]) |
7476 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
7477 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
7478 | connect.bssid_hint = | |
7479 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
7480 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7481 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
7482 | ||
7483 | if (info->attrs[NL80211_ATTR_IE]) { | |
7484 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
7485 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
7486 | } | |
7487 | ||
cee00a95 JM |
7488 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
7489 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
7490 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
7491 | connect.mfp != NL80211_MFP_NO) | |
7492 | return -EINVAL; | |
7493 | } else { | |
7494 | connect.mfp = NL80211_MFP_NO; | |
7495 | } | |
7496 | ||
b23aa676 | 7497 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
7498 | connect.channel = nl80211_get_valid_chan( |
7499 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7500 | if (!connect.channel) | |
1df4a510 JM |
7501 | return -EINVAL; |
7502 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
7503 | connect.channel_hint = nl80211_get_valid_chan( |
7504 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
7505 | if (!connect.channel_hint) | |
4c476991 | 7506 | return -EINVAL; |
b23aa676 SO |
7507 | } |
7508 | ||
fffd0934 JB |
7509 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
7510 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 7511 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
7512 | if (IS_ERR(connkeys)) |
7513 | return PTR_ERR(connkeys); | |
fffd0934 JB |
7514 | } |
7515 | ||
7e7c8926 BG |
7516 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
7517 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
7518 | ||
7519 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7520 | memcpy(&connect.ht_capa_mask, | |
7521 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7522 | sizeof(connect.ht_capa_mask)); | |
7523 | ||
7524 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 7525 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 7526 | kzfree(connkeys); |
7e7c8926 | 7527 | return -EINVAL; |
b4e4f47e | 7528 | } |
7e7c8926 BG |
7529 | memcpy(&connect.ht_capa, |
7530 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7531 | sizeof(connect.ht_capa)); | |
7532 | } | |
7533 | ||
ee2aca34 JB |
7534 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
7535 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
7536 | ||
7537 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
7538 | memcpy(&connect.vht_capa_mask, | |
7539 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7540 | sizeof(connect.vht_capa_mask)); | |
7541 | ||
7542 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
7543 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 7544 | kzfree(connkeys); |
ee2aca34 JB |
7545 | return -EINVAL; |
7546 | } | |
7547 | memcpy(&connect.vht_capa, | |
7548 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7549 | sizeof(connect.vht_capa)); | |
7550 | } | |
7551 | ||
bab5ab7d AK |
7552 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
7553 | if (!(rdev->wiphy.features & | |
7554 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || | |
7555 | !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) | |
7556 | return -EINVAL; | |
7557 | connect.flags |= ASSOC_REQ_USE_RRM; | |
7558 | } | |
7559 | ||
83739b03 JB |
7560 | wdev_lock(dev->ieee80211_ptr); |
7561 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
7562 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 | 7563 | if (err) |
b47f610b | 7564 | kzfree(connkeys); |
b23aa676 SO |
7565 | return err; |
7566 | } | |
7567 | ||
7568 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
7569 | { | |
4c476991 JB |
7570 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7571 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 7572 | u16 reason; |
83739b03 | 7573 | int ret; |
b23aa676 SO |
7574 | |
7575 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7576 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
7577 | else | |
7578 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
7579 | ||
7580 | if (reason == 0) | |
7581 | return -EINVAL; | |
7582 | ||
074ac8df | 7583 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7584 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7585 | return -EOPNOTSUPP; | |
b23aa676 | 7586 | |
83739b03 JB |
7587 | wdev_lock(dev->ieee80211_ptr); |
7588 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
7589 | wdev_unlock(dev->ieee80211_ptr); | |
7590 | return ret; | |
b23aa676 SO |
7591 | } |
7592 | ||
463d0183 JB |
7593 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
7594 | { | |
4c476991 | 7595 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
7596 | struct net *net; |
7597 | int err; | |
7598 | u32 pid; | |
7599 | ||
7600 | if (!info->attrs[NL80211_ATTR_PID]) | |
7601 | return -EINVAL; | |
7602 | ||
7603 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
7604 | ||
463d0183 | 7605 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
7606 | if (IS_ERR(net)) |
7607 | return PTR_ERR(net); | |
463d0183 JB |
7608 | |
7609 | err = 0; | |
7610 | ||
7611 | /* check if anything to do */ | |
4c476991 JB |
7612 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
7613 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 7614 | |
463d0183 | 7615 | put_net(net); |
463d0183 JB |
7616 | return err; |
7617 | } | |
7618 | ||
67fbb16b SO |
7619 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
7620 | { | |
4c476991 | 7621 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
7622 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
7623 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 7624 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
7625 | struct cfg80211_pmksa pmksa; |
7626 | ||
7627 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
7628 | ||
7629 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7630 | return -EINVAL; | |
7631 | ||
7632 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
7633 | return -EINVAL; | |
7634 | ||
67fbb16b SO |
7635 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7636 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7637 | ||
074ac8df | 7638 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7639 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7640 | return -EOPNOTSUPP; | |
67fbb16b SO |
7641 | |
7642 | switch (info->genlhdr->cmd) { | |
7643 | case NL80211_CMD_SET_PMKSA: | |
7644 | rdev_ops = rdev->ops->set_pmksa; | |
7645 | break; | |
7646 | case NL80211_CMD_DEL_PMKSA: | |
7647 | rdev_ops = rdev->ops->del_pmksa; | |
7648 | break; | |
7649 | default: | |
7650 | WARN_ON(1); | |
7651 | break; | |
7652 | } | |
7653 | ||
4c476991 JB |
7654 | if (!rdev_ops) |
7655 | return -EOPNOTSUPP; | |
67fbb16b | 7656 | |
4c476991 | 7657 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7658 | } |
7659 | ||
7660 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7661 | { | |
4c476991 JB |
7662 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7663 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7664 | |
074ac8df | 7665 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7666 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7667 | return -EOPNOTSUPP; | |
67fbb16b | 7668 | |
4c476991 JB |
7669 | if (!rdev->ops->flush_pmksa) |
7670 | return -EOPNOTSUPP; | |
67fbb16b | 7671 | |
e35e4d28 | 7672 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7673 | } |
7674 | ||
109086ce AN |
7675 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7676 | { | |
7677 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7678 | struct net_device *dev = info->user_ptr[1]; | |
7679 | u8 action_code, dialog_token; | |
df942e7b | 7680 | u32 peer_capability = 0; |
109086ce AN |
7681 | u16 status_code; |
7682 | u8 *peer; | |
31fa97c5 | 7683 | bool initiator; |
109086ce AN |
7684 | |
7685 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7686 | !rdev->ops->tdls_mgmt) | |
7687 | return -EOPNOTSUPP; | |
7688 | ||
7689 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7690 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7691 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7692 | !info->attrs[NL80211_ATTR_IE] || | |
7693 | !info->attrs[NL80211_ATTR_MAC]) | |
7694 | return -EINVAL; | |
7695 | ||
7696 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7697 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7698 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7699 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 7700 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
7701 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
7702 | peer_capability = | |
7703 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 7704 | |
e35e4d28 | 7705 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 7706 | dialog_token, status_code, peer_capability, |
31fa97c5 | 7707 | initiator, |
e35e4d28 HG |
7708 | nla_data(info->attrs[NL80211_ATTR_IE]), |
7709 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7710 | } |
7711 | ||
7712 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7713 | { | |
7714 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7715 | struct net_device *dev = info->user_ptr[1]; | |
7716 | enum nl80211_tdls_operation operation; | |
7717 | u8 *peer; | |
7718 | ||
7719 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7720 | !rdev->ops->tdls_oper) | |
7721 | return -EOPNOTSUPP; | |
7722 | ||
7723 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7724 | !info->attrs[NL80211_ATTR_MAC]) | |
7725 | return -EINVAL; | |
7726 | ||
7727 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7728 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7729 | ||
e35e4d28 | 7730 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7731 | } |
7732 | ||
9588bbd5 JM |
7733 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7734 | struct genl_info *info) | |
7735 | { | |
4c476991 | 7736 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7737 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7738 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7739 | struct sk_buff *msg; |
7740 | void *hdr; | |
7741 | u64 cookie; | |
683b6d3b | 7742 | u32 duration; |
9588bbd5 JM |
7743 | int err; |
7744 | ||
7745 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7746 | !info->attrs[NL80211_ATTR_DURATION]) | |
7747 | return -EINVAL; | |
7748 | ||
7749 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7750 | ||
ebf348fc JB |
7751 | if (!rdev->ops->remain_on_channel || |
7752 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7753 | return -EOPNOTSUPP; | |
7754 | ||
9588bbd5 | 7755 | /* |
ebf348fc JB |
7756 | * We should be on that channel for at least a minimum amount of |
7757 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7758 | */ |
ebf348fc | 7759 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 7760 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
7761 | return -EINVAL; |
7762 | ||
683b6d3b JB |
7763 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7764 | if (err) | |
7765 | return err; | |
9588bbd5 JM |
7766 | |
7767 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7768 | if (!msg) |
7769 | return -ENOMEM; | |
9588bbd5 | 7770 | |
15e47304 | 7771 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 7772 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
7773 | if (!hdr) { |
7774 | err = -ENOBUFS; | |
9588bbd5 JM |
7775 | goto free_msg; |
7776 | } | |
7777 | ||
683b6d3b JB |
7778 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
7779 | duration, &cookie); | |
9588bbd5 JM |
7780 | |
7781 | if (err) | |
7782 | goto free_msg; | |
7783 | ||
9360ffd1 DM |
7784 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7785 | goto nla_put_failure; | |
9588bbd5 JM |
7786 | |
7787 | genlmsg_end(msg, hdr); | |
4c476991 JB |
7788 | |
7789 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
7790 | |
7791 | nla_put_failure: | |
7792 | err = -ENOBUFS; | |
7793 | free_msg: | |
7794 | nlmsg_free(msg); | |
9588bbd5 JM |
7795 | return err; |
7796 | } | |
7797 | ||
7798 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
7799 | struct genl_info *info) | |
7800 | { | |
4c476991 | 7801 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7802 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 7803 | u64 cookie; |
9588bbd5 JM |
7804 | |
7805 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7806 | return -EINVAL; | |
7807 | ||
4c476991 JB |
7808 | if (!rdev->ops->cancel_remain_on_channel) |
7809 | return -EOPNOTSUPP; | |
9588bbd5 | 7810 | |
9588bbd5 JM |
7811 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
7812 | ||
e35e4d28 | 7813 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7814 | } |
7815 | ||
13ae75b1 JM |
7816 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7817 | u8 *rates, u8 rates_len) | |
7818 | { | |
7819 | u8 i; | |
7820 | u32 mask = 0; | |
7821 | ||
7822 | for (i = 0; i < rates_len; i++) { | |
7823 | int rate = (rates[i] & 0x7f) * 5; | |
7824 | int ridx; | |
7825 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7826 | struct ieee80211_rate *srate = | |
7827 | &sband->bitrates[ridx]; | |
7828 | if (rate == srate->bitrate) { | |
7829 | mask |= 1 << ridx; | |
7830 | break; | |
7831 | } | |
7832 | } | |
7833 | if (ridx == sband->n_bitrates) | |
7834 | return 0; /* rate not found */ | |
7835 | } | |
7836 | ||
7837 | return mask; | |
7838 | } | |
7839 | ||
24db78c0 SW |
7840 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7841 | u8 *rates, u8 rates_len, | |
7842 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7843 | { | |
7844 | u8 i; | |
7845 | ||
7846 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7847 | ||
7848 | for (i = 0; i < rates_len; i++) { | |
7849 | int ridx, rbit; | |
7850 | ||
7851 | ridx = rates[i] / 8; | |
7852 | rbit = BIT(rates[i] % 8); | |
7853 | ||
7854 | /* check validity */ | |
910570b5 | 7855 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7856 | return false; |
7857 | ||
7858 | /* check availability */ | |
7859 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7860 | mcs[ridx] |= rbit; | |
7861 | else | |
7862 | return false; | |
7863 | } | |
7864 | ||
7865 | return true; | |
7866 | } | |
7867 | ||
204e35a9 JD |
7868 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) |
7869 | { | |
7870 | u16 mcs_mask = 0; | |
7871 | ||
7872 | switch (vht_mcs_map) { | |
7873 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
7874 | break; | |
7875 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
7876 | mcs_mask = 0x00FF; | |
7877 | break; | |
7878 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
7879 | mcs_mask = 0x01FF; | |
7880 | break; | |
7881 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
7882 | mcs_mask = 0x03FF; | |
7883 | break; | |
7884 | default: | |
7885 | break; | |
7886 | } | |
7887 | ||
7888 | return mcs_mask; | |
7889 | } | |
7890 | ||
7891 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
7892 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
7893 | { | |
7894 | u8 nss; | |
7895 | ||
7896 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
7897 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
7898 | vht_mcs_map >>= 2; | |
7899 | } | |
7900 | } | |
7901 | ||
7902 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
7903 | struct nl80211_txrate_vht *txrate, | |
7904 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
7905 | { | |
7906 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7907 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
7908 | u8 i; | |
7909 | ||
7910 | if (!sband->vht_cap.vht_supported) | |
7911 | return false; | |
7912 | ||
7913 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
7914 | ||
7915 | /* Build vht_mcs_mask from VHT capabilities */ | |
7916 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
7917 | ||
7918 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
7919 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
7920 | mcs[i] = txrate->mcs[i]; | |
7921 | else | |
7922 | return false; | |
7923 | } | |
7924 | ||
7925 | return true; | |
7926 | } | |
7927 | ||
b54452b0 | 7928 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
7929 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
7930 | .len = NL80211_MAX_SUPP_RATES }, | |
d1e33e65 JD |
7931 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, |
7932 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
204e35a9 | 7933 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, |
0b9323f6 | 7934 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, |
13ae75b1 JM |
7935 | }; |
7936 | ||
7937 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
7938 | struct genl_info *info) | |
7939 | { | |
7940 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 7941 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 7942 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
7943 | int rem, i; |
7944 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
7945 | struct nlattr *tx_rates; |
7946 | struct ieee80211_supported_band *sband; | |
204e35a9 | 7947 | u16 vht_tx_mcs_map; |
13ae75b1 | 7948 | |
4c476991 JB |
7949 | if (!rdev->ops->set_bitrate_mask) |
7950 | return -EOPNOTSUPP; | |
13ae75b1 JM |
7951 | |
7952 | memset(&mask, 0, sizeof(mask)); | |
7953 | /* Default to all rates enabled */ | |
7954 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
7955 | sband = rdev->wiphy.bands[i]; | |
7869303b JD |
7956 | |
7957 | if (!sband) | |
7958 | continue; | |
7959 | ||
7960 | mask.control[i].legacy = (1 << sband->n_bitrates) - 1; | |
d1e33e65 | 7961 | memcpy(mask.control[i].ht_mcs, |
7869303b | 7962 | sband->ht_cap.mcs.rx_mask, |
d1e33e65 | 7963 | sizeof(mask.control[i].ht_mcs)); |
204e35a9 JD |
7964 | |
7965 | if (!sband->vht_cap.vht_supported) | |
7966 | continue; | |
7967 | ||
7968 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
7969 | vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs); | |
13ae75b1 JM |
7970 | } |
7971 | ||
b9243ab0 JD |
7972 | /* if no rates are given set it back to the defaults */ |
7973 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
7974 | goto out; | |
7975 | ||
13ae75b1 JM |
7976 | /* |
7977 | * The nested attribute uses enum nl80211_band as the index. This maps | |
7978 | * directly to the enum ieee80211_band values used in cfg80211. | |
7979 | */ | |
24db78c0 | 7980 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
ae811e21 | 7981 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { |
13ae75b1 | 7982 | enum ieee80211_band band = nla_type(tx_rates); |
ae811e21 JB |
7983 | int err; |
7984 | ||
4c476991 JB |
7985 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
7986 | return -EINVAL; | |
13ae75b1 | 7987 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
7988 | if (sband == NULL) |
7989 | return -EINVAL; | |
ae811e21 JB |
7990 | err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
7991 | nla_len(tx_rates), nl80211_txattr_policy); | |
7992 | if (err) | |
7993 | return err; | |
13ae75b1 JM |
7994 | if (tb[NL80211_TXRATE_LEGACY]) { |
7995 | mask.control[band].legacy = rateset_to_mask( | |
7996 | sband, | |
7997 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
7998 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
7999 | if ((mask.control[band].legacy == 0) && |
8000 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
8001 | return -EINVAL; | |
24db78c0 | 8002 | } |
d1e33e65 | 8003 | if (tb[NL80211_TXRATE_HT]) { |
24db78c0 SW |
8004 | if (!ht_rateset_to_mask( |
8005 | sband, | |
d1e33e65 JD |
8006 | nla_data(tb[NL80211_TXRATE_HT]), |
8007 | nla_len(tb[NL80211_TXRATE_HT]), | |
8008 | mask.control[band].ht_mcs)) | |
24db78c0 SW |
8009 | return -EINVAL; |
8010 | } | |
204e35a9 JD |
8011 | if (tb[NL80211_TXRATE_VHT]) { |
8012 | if (!vht_set_mcs_mask( | |
8013 | sband, | |
8014 | nla_data(tb[NL80211_TXRATE_VHT]), | |
8015 | mask.control[band].vht_mcs)) | |
8016 | return -EINVAL; | |
8017 | } | |
0b9323f6 JD |
8018 | if (tb[NL80211_TXRATE_GI]) { |
8019 | mask.control[band].gi = | |
8020 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
8021 | if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
8022 | return -EINVAL; | |
8023 | } | |
24db78c0 SW |
8024 | |
8025 | if (mask.control[band].legacy == 0) { | |
204e35a9 JD |
8026 | /* don't allow empty legacy rates if HT or VHT |
8027 | * are not even supported. | |
8028 | */ | |
8029 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
8030 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
24db78c0 SW |
8031 | return -EINVAL; |
8032 | ||
8033 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
d1e33e65 | 8034 | if (mask.control[band].ht_mcs[i]) |
204e35a9 JD |
8035 | goto out; |
8036 | ||
8037 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
8038 | if (mask.control[band].vht_mcs[i]) | |
8039 | goto out; | |
24db78c0 SW |
8040 | |
8041 | /* legacy and mcs rates may not be both empty */ | |
204e35a9 | 8042 | return -EINVAL; |
13ae75b1 JM |
8043 | } |
8044 | } | |
8045 | ||
b9243ab0 | 8046 | out: |
e35e4d28 | 8047 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
8048 | } |
8049 | ||
2e161f78 | 8050 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 8051 | { |
4c476991 | 8052 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8053 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 8054 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
8055 | |
8056 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
8057 | return -EINVAL; | |
8058 | ||
2e161f78 JB |
8059 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
8060 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 8061 | |
71bbc994 JB |
8062 | switch (wdev->iftype) { |
8063 | case NL80211_IFTYPE_STATION: | |
8064 | case NL80211_IFTYPE_ADHOC: | |
8065 | case NL80211_IFTYPE_P2P_CLIENT: | |
8066 | case NL80211_IFTYPE_AP: | |
8067 | case NL80211_IFTYPE_AP_VLAN: | |
8068 | case NL80211_IFTYPE_MESH_POINT: | |
8069 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 8070 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
8071 | break; |
8072 | default: | |
4c476991 | 8073 | return -EOPNOTSUPP; |
71bbc994 | 8074 | } |
026331c4 JM |
8075 | |
8076 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
8077 | if (!rdev->ops->mgmt_tx) |
8078 | return -EOPNOTSUPP; | |
026331c4 | 8079 | |
15e47304 | 8080 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
8081 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
8082 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
8083 | } |
8084 | ||
2e161f78 | 8085 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 8086 | { |
4c476991 | 8087 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8088 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 8089 | struct cfg80211_chan_def chandef; |
026331c4 | 8090 | int err; |
d64d373f | 8091 | void *hdr = NULL; |
026331c4 | 8092 | u64 cookie; |
e247bd90 | 8093 | struct sk_buff *msg = NULL; |
b176e629 AO |
8094 | struct cfg80211_mgmt_tx_params params = { |
8095 | .dont_wait_for_ack = | |
8096 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
8097 | }; | |
026331c4 | 8098 | |
683b6d3b | 8099 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
8100 | return -EINVAL; |
8101 | ||
4c476991 JB |
8102 | if (!rdev->ops->mgmt_tx) |
8103 | return -EOPNOTSUPP; | |
026331c4 | 8104 | |
71bbc994 | 8105 | switch (wdev->iftype) { |
ea141b75 AQ |
8106 | case NL80211_IFTYPE_P2P_DEVICE: |
8107 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
8108 | return -EINVAL; | |
71bbc994 JB |
8109 | case NL80211_IFTYPE_STATION: |
8110 | case NL80211_IFTYPE_ADHOC: | |
8111 | case NL80211_IFTYPE_P2P_CLIENT: | |
8112 | case NL80211_IFTYPE_AP: | |
8113 | case NL80211_IFTYPE_AP_VLAN: | |
8114 | case NL80211_IFTYPE_MESH_POINT: | |
8115 | case NL80211_IFTYPE_P2P_GO: | |
8116 | break; | |
8117 | default: | |
4c476991 | 8118 | return -EOPNOTSUPP; |
71bbc994 | 8119 | } |
026331c4 | 8120 | |
f7ca38df | 8121 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 8122 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 8123 | return -EINVAL; |
b176e629 | 8124 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
8125 | |
8126 | /* | |
8127 | * We should wait on the channel for at least a minimum amount | |
8128 | * of time (10ms) but no longer than the driver supports. | |
8129 | */ | |
b176e629 AO |
8130 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
8131 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc JB |
8132 | return -EINVAL; |
8133 | ||
f7ca38df JB |
8134 | } |
8135 | ||
b176e629 | 8136 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 8137 | |
b176e629 | 8138 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
8139 | return -EINVAL; |
8140 | ||
b176e629 | 8141 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 8142 | |
ea141b75 AQ |
8143 | /* get the channel if any has been specified, otherwise pass NULL to |
8144 | * the driver. The latter will use the current one | |
8145 | */ | |
8146 | chandef.chan = NULL; | |
8147 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
8148 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
8149 | if (err) | |
8150 | return err; | |
8151 | } | |
8152 | ||
b176e629 | 8153 | if (!chandef.chan && params.offchan) |
ea141b75 | 8154 | return -EINVAL; |
026331c4 | 8155 | |
34d22ce2 AO |
8156 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
8157 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
8158 | ||
8159 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
8160 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
8161 | int i; | |
8162 | ||
8163 | if (len % sizeof(u16)) | |
8164 | return -EINVAL; | |
8165 | ||
8166 | params.n_csa_offsets = len / sizeof(u16); | |
8167 | params.csa_offsets = | |
8168 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
8169 | ||
8170 | /* check that all the offsets fit the frame */ | |
8171 | for (i = 0; i < params.n_csa_offsets; i++) { | |
8172 | if (params.csa_offsets[i] >= params.len) | |
8173 | return -EINVAL; | |
8174 | } | |
8175 | } | |
8176 | ||
b176e629 | 8177 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
8178 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
8179 | if (!msg) | |
8180 | return -ENOMEM; | |
026331c4 | 8181 | |
15e47304 | 8182 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 8183 | NL80211_CMD_FRAME); |
cb35fba3 DC |
8184 | if (!hdr) { |
8185 | err = -ENOBUFS; | |
e247bd90 JB |
8186 | goto free_msg; |
8187 | } | |
026331c4 | 8188 | } |
e247bd90 | 8189 | |
b176e629 AO |
8190 | params.chan = chandef.chan; |
8191 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
8192 | if (err) |
8193 | goto free_msg; | |
8194 | ||
e247bd90 | 8195 | if (msg) { |
9360ffd1 DM |
8196 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8197 | goto nla_put_failure; | |
026331c4 | 8198 | |
e247bd90 JB |
8199 | genlmsg_end(msg, hdr); |
8200 | return genlmsg_reply(msg, info); | |
8201 | } | |
8202 | ||
8203 | return 0; | |
026331c4 JM |
8204 | |
8205 | nla_put_failure: | |
8206 | err = -ENOBUFS; | |
8207 | free_msg: | |
8208 | nlmsg_free(msg); | |
026331c4 JM |
8209 | return err; |
8210 | } | |
8211 | ||
f7ca38df JB |
8212 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
8213 | { | |
8214 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 8215 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
8216 | u64 cookie; |
8217 | ||
8218 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
8219 | return -EINVAL; | |
8220 | ||
8221 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
8222 | return -EOPNOTSUPP; | |
8223 | ||
71bbc994 JB |
8224 | switch (wdev->iftype) { |
8225 | case NL80211_IFTYPE_STATION: | |
8226 | case NL80211_IFTYPE_ADHOC: | |
8227 | case NL80211_IFTYPE_P2P_CLIENT: | |
8228 | case NL80211_IFTYPE_AP: | |
8229 | case NL80211_IFTYPE_AP_VLAN: | |
8230 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 8231 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
8232 | break; |
8233 | default: | |
f7ca38df | 8234 | return -EOPNOTSUPP; |
71bbc994 | 8235 | } |
f7ca38df JB |
8236 | |
8237 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
8238 | ||
e35e4d28 | 8239 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
8240 | } |
8241 | ||
ffb9eb3d KV |
8242 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
8243 | { | |
4c476991 | 8244 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 8245 | struct wireless_dev *wdev; |
4c476991 | 8246 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
8247 | u8 ps_state; |
8248 | bool state; | |
8249 | int err; | |
8250 | ||
4c476991 JB |
8251 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
8252 | return -EINVAL; | |
ffb9eb3d KV |
8253 | |
8254 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
8255 | ||
4c476991 JB |
8256 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
8257 | return -EINVAL; | |
ffb9eb3d KV |
8258 | |
8259 | wdev = dev->ieee80211_ptr; | |
8260 | ||
4c476991 JB |
8261 | if (!rdev->ops->set_power_mgmt) |
8262 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
8263 | |
8264 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
8265 | ||
8266 | if (state == wdev->ps) | |
4c476991 | 8267 | return 0; |
ffb9eb3d | 8268 | |
e35e4d28 | 8269 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
8270 | if (!err) |
8271 | wdev->ps = state; | |
ffb9eb3d KV |
8272 | return err; |
8273 | } | |
8274 | ||
8275 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
8276 | { | |
4c476991 | 8277 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
8278 | enum nl80211_ps_state ps_state; |
8279 | struct wireless_dev *wdev; | |
4c476991 | 8280 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
8281 | struct sk_buff *msg; |
8282 | void *hdr; | |
8283 | int err; | |
8284 | ||
ffb9eb3d KV |
8285 | wdev = dev->ieee80211_ptr; |
8286 | ||
4c476991 JB |
8287 | if (!rdev->ops->set_power_mgmt) |
8288 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
8289 | |
8290 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
8291 | if (!msg) |
8292 | return -ENOMEM; | |
ffb9eb3d | 8293 | |
15e47304 | 8294 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
8295 | NL80211_CMD_GET_POWER_SAVE); |
8296 | if (!hdr) { | |
4c476991 | 8297 | err = -ENOBUFS; |
ffb9eb3d KV |
8298 | goto free_msg; |
8299 | } | |
8300 | ||
8301 | if (wdev->ps) | |
8302 | ps_state = NL80211_PS_ENABLED; | |
8303 | else | |
8304 | ps_state = NL80211_PS_DISABLED; | |
8305 | ||
9360ffd1 DM |
8306 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
8307 | goto nla_put_failure; | |
ffb9eb3d KV |
8308 | |
8309 | genlmsg_end(msg, hdr); | |
4c476991 | 8310 | return genlmsg_reply(msg, info); |
ffb9eb3d | 8311 | |
4c476991 | 8312 | nla_put_failure: |
ffb9eb3d | 8313 | err = -ENOBUFS; |
4c476991 | 8314 | free_msg: |
ffb9eb3d | 8315 | nlmsg_free(msg); |
ffb9eb3d KV |
8316 | return err; |
8317 | } | |
8318 | ||
94e860f1 JB |
8319 | static const struct nla_policy |
8320 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
d6dc1a38 JO |
8321 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
8322 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
8323 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
8324 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
8325 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
8326 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
8327 | }; |
8328 | ||
84f10708 | 8329 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 8330 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
8331 | { |
8332 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 8333 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 8334 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 8335 | |
d9d8b019 | 8336 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
8337 | return -EINVAL; |
8338 | ||
84f10708 TP |
8339 | if (!rdev->ops->set_cqm_txe_config) |
8340 | return -EOPNOTSUPP; | |
8341 | ||
8342 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
8343 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
8344 | return -EOPNOTSUPP; | |
8345 | ||
e35e4d28 | 8346 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
8347 | } |
8348 | ||
d6dc1a38 JO |
8349 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
8350 | s32 threshold, u32 hysteresis) | |
8351 | { | |
4c476991 | 8352 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 8353 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 8354 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
8355 | |
8356 | if (threshold > 0) | |
8357 | return -EINVAL; | |
8358 | ||
1da5fcc8 JB |
8359 | /* disabling - hysteresis should also be zero then */ |
8360 | if (threshold == 0) | |
8361 | hysteresis = 0; | |
d6dc1a38 | 8362 | |
4c476991 JB |
8363 | if (!rdev->ops->set_cqm_rssi_config) |
8364 | return -EOPNOTSUPP; | |
d6dc1a38 | 8365 | |
074ac8df | 8366 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8367 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8368 | return -EOPNOTSUPP; | |
d6dc1a38 | 8369 | |
e35e4d28 | 8370 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
8371 | } |
8372 | ||
8373 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
8374 | { | |
8375 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
8376 | struct nlattr *cqm; | |
8377 | int err; | |
8378 | ||
8379 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
8380 | if (!cqm) |
8381 | return -EINVAL; | |
d6dc1a38 JO |
8382 | |
8383 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
8384 | nl80211_attr_cqm_policy); | |
8385 | if (err) | |
1da5fcc8 | 8386 | return err; |
d6dc1a38 JO |
8387 | |
8388 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
8389 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
8390 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
8391 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 8392 | |
1da5fcc8 JB |
8393 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
8394 | } | |
8395 | ||
8396 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
8397 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
8398 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
8399 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
8400 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
8401 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
8402 | ||
8403 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
8404 | } | |
8405 | ||
8406 | return -EINVAL; | |
d6dc1a38 JO |
8407 | } |
8408 | ||
6e0bd6c3 RL |
8409 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
8410 | { | |
8411 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8412 | struct net_device *dev = info->user_ptr[1]; | |
8413 | struct ocb_setup setup = {}; | |
8414 | int err; | |
8415 | ||
8416 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
8417 | if (err) | |
8418 | return err; | |
8419 | ||
8420 | return cfg80211_join_ocb(rdev, dev, &setup); | |
8421 | } | |
8422 | ||
8423 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
8424 | { | |
8425 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8426 | struct net_device *dev = info->user_ptr[1]; | |
8427 | ||
8428 | return cfg80211_leave_ocb(rdev, dev); | |
8429 | } | |
8430 | ||
29cbe68c JB |
8431 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
8432 | { | |
8433 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8434 | struct net_device *dev = info->user_ptr[1]; | |
8435 | struct mesh_config cfg; | |
c80d545d | 8436 | struct mesh_setup setup; |
29cbe68c JB |
8437 | int err; |
8438 | ||
8439 | /* start with default */ | |
8440 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 8441 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 8442 | |
24bdd9f4 | 8443 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 8444 | /* and parse parameters if given */ |
24bdd9f4 | 8445 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
8446 | if (err) |
8447 | return err; | |
8448 | } | |
8449 | ||
8450 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
8451 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
8452 | return -EINVAL; | |
8453 | ||
c80d545d JC |
8454 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
8455 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
8456 | ||
4bb62344 CYY |
8457 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8458 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
8459 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8460 | return -EINVAL; | |
8461 | ||
9bdbf04d MP |
8462 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
8463 | setup.beacon_interval = | |
8464 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
8465 | if (setup.beacon_interval < 10 || | |
8466 | setup.beacon_interval > 10000) | |
8467 | return -EINVAL; | |
8468 | } | |
8469 | ||
8470 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
8471 | setup.dtim_period = | |
8472 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
8473 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
8474 | return -EINVAL; | |
8475 | } | |
8476 | ||
c80d545d JC |
8477 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
8478 | /* parse additional setup parameters if given */ | |
8479 | err = nl80211_parse_mesh_setup(info, &setup); | |
8480 | if (err) | |
8481 | return err; | |
8482 | } | |
8483 | ||
d37bb18a TP |
8484 | if (setup.user_mpm) |
8485 | cfg.auto_open_plinks = false; | |
8486 | ||
cc1d2806 | 8487 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
8488 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
8489 | if (err) | |
8490 | return err; | |
cc1d2806 JB |
8491 | } else { |
8492 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 8493 | setup.chandef.chan = NULL; |
cc1d2806 JB |
8494 | } |
8495 | ||
ffb3cf30 AN |
8496 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8497 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8498 | int n_rates = | |
8499 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8500 | struct ieee80211_supported_band *sband; | |
8501 | ||
8502 | if (!setup.chandef.chan) | |
8503 | return -EINVAL; | |
8504 | ||
8505 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
8506 | ||
8507 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
8508 | &setup.basic_rates); | |
8509 | if (err) | |
8510 | return err; | |
8511 | } | |
8512 | ||
c80d545d | 8513 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
8514 | } |
8515 | ||
8516 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
8517 | { | |
8518 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8519 | struct net_device *dev = info->user_ptr[1]; | |
8520 | ||
8521 | return cfg80211_leave_mesh(rdev, dev); | |
8522 | } | |
8523 | ||
dfb89c56 | 8524 | #ifdef CONFIG_PM |
bb92d199 AK |
8525 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
8526 | struct cfg80211_registered_device *rdev) | |
8527 | { | |
6abb9cb9 | 8528 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
8529 | struct nlattr *nl_pats, *nl_pat; |
8530 | int i, pat_len; | |
8531 | ||
6abb9cb9 | 8532 | if (!wowlan->n_patterns) |
bb92d199 AK |
8533 | return 0; |
8534 | ||
8535 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
8536 | if (!nl_pats) | |
8537 | return -ENOBUFS; | |
8538 | ||
6abb9cb9 | 8539 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
8540 | nl_pat = nla_nest_start(msg, i + 1); |
8541 | if (!nl_pat) | |
8542 | return -ENOBUFS; | |
6abb9cb9 | 8543 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 8544 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 8545 | wowlan->patterns[i].mask) || |
50ac6607 AK |
8546 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
8547 | wowlan->patterns[i].pattern) || | |
8548 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 8549 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
8550 | return -ENOBUFS; |
8551 | nla_nest_end(msg, nl_pat); | |
8552 | } | |
8553 | nla_nest_end(msg, nl_pats); | |
8554 | ||
8555 | return 0; | |
8556 | } | |
8557 | ||
2a0e047e JB |
8558 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
8559 | struct cfg80211_wowlan_tcp *tcp) | |
8560 | { | |
8561 | struct nlattr *nl_tcp; | |
8562 | ||
8563 | if (!tcp) | |
8564 | return 0; | |
8565 | ||
8566 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
8567 | if (!nl_tcp) | |
8568 | return -ENOBUFS; | |
8569 | ||
8570 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
8571 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
8572 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
8573 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
8574 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
8575 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
8576 | tcp->payload_len, tcp->payload) || | |
8577 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
8578 | tcp->data_interval) || | |
8579 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
8580 | tcp->wake_len, tcp->wake_data) || | |
8581 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
8582 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
8583 | return -ENOBUFS; | |
8584 | ||
8585 | if (tcp->payload_seq.len && | |
8586 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
8587 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
8588 | return -ENOBUFS; | |
8589 | ||
8590 | if (tcp->payload_tok.len && | |
8591 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
8592 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
8593 | &tcp->payload_tok)) | |
8594 | return -ENOBUFS; | |
8595 | ||
e248ad30 JB |
8596 | nla_nest_end(msg, nl_tcp); |
8597 | ||
2a0e047e JB |
8598 | return 0; |
8599 | } | |
8600 | ||
ff1b6e69 JB |
8601 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
8602 | { | |
8603 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8604 | struct sk_buff *msg; | |
8605 | void *hdr; | |
2a0e047e | 8606 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 8607 | |
964dc9e2 | 8608 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
8609 | return -EOPNOTSUPP; |
8610 | ||
6abb9cb9 | 8611 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 8612 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
8613 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
8614 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
8615 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
8616 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
8617 | } |
8618 | ||
8619 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
8620 | if (!msg) |
8621 | return -ENOMEM; | |
8622 | ||
15e47304 | 8623 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
8624 | NL80211_CMD_GET_WOWLAN); |
8625 | if (!hdr) | |
8626 | goto nla_put_failure; | |
8627 | ||
6abb9cb9 | 8628 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
8629 | struct nlattr *nl_wowlan; |
8630 | ||
8631 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
8632 | if (!nl_wowlan) | |
8633 | goto nla_put_failure; | |
8634 | ||
6abb9cb9 | 8635 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 8636 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 8637 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 8638 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 8639 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 8640 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 8641 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 8642 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 8643 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 8644 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 8645 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 8646 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 8647 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
8648 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
8649 | goto nla_put_failure; | |
2a0e047e | 8650 | |
bb92d199 AK |
8651 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
8652 | goto nla_put_failure; | |
2a0e047e | 8653 | |
6abb9cb9 JB |
8654 | if (nl80211_send_wowlan_tcp(msg, |
8655 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e JB |
8656 | goto nla_put_failure; |
8657 | ||
ff1b6e69 JB |
8658 | nla_nest_end(msg, nl_wowlan); |
8659 | } | |
8660 | ||
8661 | genlmsg_end(msg, hdr); | |
8662 | return genlmsg_reply(msg, info); | |
8663 | ||
8664 | nla_put_failure: | |
8665 | nlmsg_free(msg); | |
8666 | return -ENOBUFS; | |
8667 | } | |
8668 | ||
2a0e047e JB |
8669 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
8670 | struct nlattr *attr, | |
8671 | struct cfg80211_wowlan *trig) | |
8672 | { | |
8673 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
8674 | struct cfg80211_wowlan_tcp *cfg; | |
8675 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
8676 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
8677 | u32 size; | |
8678 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
8679 | int err, port; | |
8680 | ||
964dc9e2 | 8681 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
8682 | return -EINVAL; |
8683 | ||
8684 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
8685 | nla_data(attr), nla_len(attr), | |
8686 | nl80211_wowlan_tcp_policy); | |
8687 | if (err) | |
8688 | return err; | |
8689 | ||
8690 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
8691 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
8692 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
8693 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
8694 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
8695 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
8696 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
8697 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
8698 | return -EINVAL; | |
8699 | ||
8700 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 8701 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
8702 | return -EINVAL; |
8703 | ||
8704 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 8705 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 8706 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
8707 | return -EINVAL; |
8708 | ||
8709 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 8710 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
8711 | return -EINVAL; |
8712 | ||
8713 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
8714 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
8715 | return -EINVAL; | |
8716 | ||
8717 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
8718 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8719 | ||
8720 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8721 | tokens_size = tokln - sizeof(*tok); | |
8722 | ||
8723 | if (!tok->len || tokens_size % tok->len) | |
8724 | return -EINVAL; | |
964dc9e2 | 8725 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 8726 | return -EINVAL; |
964dc9e2 | 8727 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 8728 | return -EINVAL; |
964dc9e2 | 8729 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 8730 | return -EINVAL; |
964dc9e2 | 8731 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
8732 | return -EINVAL; |
8733 | if (tok->offset + tok->len > data_size) | |
8734 | return -EINVAL; | |
8735 | } | |
8736 | ||
8737 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
8738 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 8739 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
8740 | return -EINVAL; |
8741 | if (seq->len == 0 || seq->len > 4) | |
8742 | return -EINVAL; | |
8743 | if (seq->len + seq->offset > data_size) | |
8744 | return -EINVAL; | |
8745 | } | |
8746 | ||
8747 | size = sizeof(*cfg); | |
8748 | size += data_size; | |
8749 | size += wake_size + wake_mask_size; | |
8750 | size += tokens_size; | |
8751 | ||
8752 | cfg = kzalloc(size, GFP_KERNEL); | |
8753 | if (!cfg) | |
8754 | return -ENOMEM; | |
8755 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
8756 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
8757 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
8758 | ETH_ALEN); | |
8759 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
8760 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
8761 | else | |
8762 | port = 0; | |
8763 | #ifdef CONFIG_INET | |
8764 | /* allocate a socket and port for it and use it */ | |
8765 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
8766 | IPPROTO_TCP, &cfg->sock, 1); | |
8767 | if (err) { | |
8768 | kfree(cfg); | |
8769 | return err; | |
8770 | } | |
8771 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
8772 | sock_release(cfg->sock); | |
8773 | kfree(cfg); | |
8774 | return -EADDRINUSE; | |
8775 | } | |
8776 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
8777 | #else | |
8778 | if (!port) { | |
8779 | kfree(cfg); | |
8780 | return -EINVAL; | |
8781 | } | |
8782 | cfg->src_port = port; | |
8783 | #endif | |
8784 | ||
8785 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
8786 | cfg->payload_len = data_size; | |
8787 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
8788 | memcpy((void *)cfg->payload, | |
8789 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
8790 | data_size); | |
8791 | if (seq) | |
8792 | cfg->payload_seq = *seq; | |
8793 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
8794 | cfg->wake_len = wake_size; | |
8795 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
8796 | memcpy((void *)cfg->wake_data, | |
8797 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
8798 | wake_size); | |
8799 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
8800 | data_size + wake_size; | |
8801 | memcpy((void *)cfg->wake_mask, | |
8802 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
8803 | wake_mask_size); | |
8804 | if (tok) { | |
8805 | cfg->tokens_size = tokens_size; | |
8806 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
8807 | } | |
8808 | ||
8809 | trig->tcp = cfg; | |
8810 | ||
8811 | return 0; | |
8812 | } | |
8813 | ||
8cd4d456 LC |
8814 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
8815 | const struct wiphy_wowlan_support *wowlan, | |
8816 | struct nlattr *attr, | |
8817 | struct cfg80211_wowlan *trig) | |
8818 | { | |
8819 | struct nlattr **tb; | |
8820 | int err; | |
8821 | ||
8822 | tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL); | |
8823 | if (!tb) | |
8824 | return -ENOMEM; | |
8825 | ||
8826 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
8827 | err = -EOPNOTSUPP; | |
8828 | goto out; | |
8829 | } | |
8830 | ||
8831 | err = nla_parse(tb, NL80211_ATTR_MAX, | |
8832 | nla_data(attr), nla_len(attr), | |
8833 | nl80211_policy); | |
8834 | if (err) | |
8835 | goto out; | |
8836 | ||
ad2b26ab | 8837 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb); |
8cd4d456 LC |
8838 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
8839 | if (err) | |
8840 | trig->nd_config = NULL; | |
8841 | ||
8842 | out: | |
8843 | kfree(tb); | |
8844 | return err; | |
8845 | } | |
8846 | ||
ff1b6e69 JB |
8847 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
8848 | { | |
8849 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8850 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 8851 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 8852 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 8853 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 8854 | int err, i; |
6abb9cb9 | 8855 | bool prev_enabled = rdev->wiphy.wowlan_config; |
ff1b6e69 | 8856 | |
964dc9e2 | 8857 | if (!wowlan) |
ff1b6e69 JB |
8858 | return -EOPNOTSUPP; |
8859 | ||
ae33bd81 JB |
8860 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
8861 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 8862 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
8863 | goto set_wakeup; |
8864 | } | |
ff1b6e69 JB |
8865 | |
8866 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
8867 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8868 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8869 | nl80211_wowlan_policy); | |
8870 | if (err) | |
8871 | return err; | |
8872 | ||
8873 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
8874 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
8875 | return -EINVAL; | |
8876 | new_triggers.any = true; | |
8877 | } | |
8878 | ||
8879 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
8880 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
8881 | return -EINVAL; | |
8882 | new_triggers.disconnect = true; | |
8883 | } | |
8884 | ||
8885 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
8886 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
8887 | return -EINVAL; | |
8888 | new_triggers.magic_pkt = true; | |
8889 | } | |
8890 | ||
77dbbb13 JB |
8891 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
8892 | return -EINVAL; | |
8893 | ||
8894 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
8895 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
8896 | return -EINVAL; | |
8897 | new_triggers.gtk_rekey_failure = true; | |
8898 | } | |
8899 | ||
8900 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
8901 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
8902 | return -EINVAL; | |
8903 | new_triggers.eap_identity_req = true; | |
8904 | } | |
8905 | ||
8906 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
8907 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
8908 | return -EINVAL; | |
8909 | new_triggers.four_way_handshake = true; | |
8910 | } | |
8911 | ||
8912 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
8913 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
8914 | return -EINVAL; | |
8915 | new_triggers.rfkill_release = true; | |
8916 | } | |
8917 | ||
ff1b6e69 JB |
8918 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
8919 | struct nlattr *pat; | |
8920 | int n_patterns = 0; | |
bb92d199 | 8921 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 8922 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 JB |
8923 | |
8924 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8925 | rem) | |
8926 | n_patterns++; | |
8927 | if (n_patterns > wowlan->n_patterns) | |
8928 | return -EINVAL; | |
8929 | ||
8930 | new_triggers.patterns = kcalloc(n_patterns, | |
8931 | sizeof(new_triggers.patterns[0]), | |
8932 | GFP_KERNEL); | |
8933 | if (!new_triggers.patterns) | |
8934 | return -ENOMEM; | |
8935 | ||
8936 | new_triggers.n_patterns = n_patterns; | |
8937 | i = 0; | |
8938 | ||
8939 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
8940 | rem) { | |
922bd80f JB |
8941 | u8 *mask_pat; |
8942 | ||
50ac6607 AK |
8943 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
8944 | nla_len(pat), NULL); | |
ff1b6e69 | 8945 | err = -EINVAL; |
50ac6607 AK |
8946 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
8947 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 8948 | goto error; |
50ac6607 | 8949 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 8950 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 8951 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
8952 | goto error; |
8953 | if (pat_len > wowlan->pattern_max_len || | |
8954 | pat_len < wowlan->pattern_min_len) | |
8955 | goto error; | |
8956 | ||
50ac6607 | 8957 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
8958 | pkt_offset = 0; |
8959 | else | |
8960 | pkt_offset = nla_get_u32( | |
50ac6607 | 8961 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
8962 | if (pkt_offset > wowlan->max_pkt_offset) |
8963 | goto error; | |
8964 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
8965 | ||
922bd80f JB |
8966 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
8967 | if (!mask_pat) { | |
ff1b6e69 JB |
8968 | err = -ENOMEM; |
8969 | goto error; | |
8970 | } | |
922bd80f JB |
8971 | new_triggers.patterns[i].mask = mask_pat; |
8972 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 8973 | mask_len); |
922bd80f JB |
8974 | mask_pat += mask_len; |
8975 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 8976 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 8977 | memcpy(mask_pat, |
50ac6607 | 8978 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
8979 | pat_len); |
8980 | i++; | |
8981 | } | |
8982 | } | |
8983 | ||
2a0e047e JB |
8984 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
8985 | err = nl80211_parse_wowlan_tcp( | |
8986 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
8987 | &new_triggers); | |
8988 | if (err) | |
8989 | goto error; | |
8990 | } | |
8991 | ||
8cd4d456 LC |
8992 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
8993 | err = nl80211_parse_wowlan_nd( | |
8994 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
8995 | &new_triggers); | |
8996 | if (err) | |
8997 | goto error; | |
8998 | } | |
8999 | ||
ae33bd81 JB |
9000 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
9001 | if (!ntrig) { | |
9002 | err = -ENOMEM; | |
9003 | goto error; | |
ff1b6e69 | 9004 | } |
ae33bd81 | 9005 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 9006 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 9007 | |
ae33bd81 | 9008 | set_wakeup: |
6abb9cb9 JB |
9009 | if (rdev->ops->set_wakeup && |
9010 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
9011 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 9012 | |
ff1b6e69 JB |
9013 | return 0; |
9014 | error: | |
9015 | for (i = 0; i < new_triggers.n_patterns; i++) | |
9016 | kfree(new_triggers.patterns[i].mask); | |
9017 | kfree(new_triggers.patterns); | |
2a0e047e JB |
9018 | if (new_triggers.tcp && new_triggers.tcp->sock) |
9019 | sock_release(new_triggers.tcp->sock); | |
9020 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
9021 | return err; |
9022 | } | |
dfb89c56 | 9023 | #endif |
ff1b6e69 | 9024 | |
be29b99a AK |
9025 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
9026 | struct cfg80211_registered_device *rdev) | |
9027 | { | |
9028 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
9029 | int i, j, pat_len; | |
9030 | struct cfg80211_coalesce_rules *rule; | |
9031 | ||
9032 | if (!rdev->coalesce->n_rules) | |
9033 | return 0; | |
9034 | ||
9035 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
9036 | if (!nl_rules) | |
9037 | return -ENOBUFS; | |
9038 | ||
9039 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
9040 | nl_rule = nla_nest_start(msg, i + 1); | |
9041 | if (!nl_rule) | |
9042 | return -ENOBUFS; | |
9043 | ||
9044 | rule = &rdev->coalesce->rules[i]; | |
9045 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
9046 | rule->delay)) | |
9047 | return -ENOBUFS; | |
9048 | ||
9049 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
9050 | rule->condition)) | |
9051 | return -ENOBUFS; | |
9052 | ||
9053 | nl_pats = nla_nest_start(msg, | |
9054 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
9055 | if (!nl_pats) | |
9056 | return -ENOBUFS; | |
9057 | ||
9058 | for (j = 0; j < rule->n_patterns; j++) { | |
9059 | nl_pat = nla_nest_start(msg, j + 1); | |
9060 | if (!nl_pat) | |
9061 | return -ENOBUFS; | |
9062 | pat_len = rule->patterns[j].pattern_len; | |
9063 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
9064 | DIV_ROUND_UP(pat_len, 8), | |
9065 | rule->patterns[j].mask) || | |
9066 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
9067 | rule->patterns[j].pattern) || | |
9068 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
9069 | rule->patterns[j].pkt_offset)) | |
9070 | return -ENOBUFS; | |
9071 | nla_nest_end(msg, nl_pat); | |
9072 | } | |
9073 | nla_nest_end(msg, nl_pats); | |
9074 | nla_nest_end(msg, nl_rule); | |
9075 | } | |
9076 | nla_nest_end(msg, nl_rules); | |
9077 | ||
9078 | return 0; | |
9079 | } | |
9080 | ||
9081 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
9082 | { | |
9083 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9084 | struct sk_buff *msg; | |
9085 | void *hdr; | |
9086 | ||
9087 | if (!rdev->wiphy.coalesce) | |
9088 | return -EOPNOTSUPP; | |
9089 | ||
9090 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9091 | if (!msg) | |
9092 | return -ENOMEM; | |
9093 | ||
9094 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
9095 | NL80211_CMD_GET_COALESCE); | |
9096 | if (!hdr) | |
9097 | goto nla_put_failure; | |
9098 | ||
9099 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
9100 | goto nla_put_failure; | |
9101 | ||
9102 | genlmsg_end(msg, hdr); | |
9103 | return genlmsg_reply(msg, info); | |
9104 | ||
9105 | nla_put_failure: | |
9106 | nlmsg_free(msg); | |
9107 | return -ENOBUFS; | |
9108 | } | |
9109 | ||
9110 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
9111 | { | |
9112 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
9113 | int i, j; | |
9114 | struct cfg80211_coalesce_rules *rule; | |
9115 | ||
9116 | if (!coalesce) | |
9117 | return; | |
9118 | ||
9119 | for (i = 0; i < coalesce->n_rules; i++) { | |
9120 | rule = &coalesce->rules[i]; | |
9121 | for (j = 0; j < rule->n_patterns; j++) | |
9122 | kfree(rule->patterns[j].mask); | |
9123 | kfree(rule->patterns); | |
9124 | } | |
9125 | kfree(coalesce->rules); | |
9126 | kfree(coalesce); | |
9127 | rdev->coalesce = NULL; | |
9128 | } | |
9129 | ||
9130 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
9131 | struct nlattr *rule, | |
9132 | struct cfg80211_coalesce_rules *new_rule) | |
9133 | { | |
9134 | int err, i; | |
9135 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
9136 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
9137 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
9138 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
9139 | ||
9140 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
9141 | nla_len(rule), nl80211_coalesce_policy); | |
9142 | if (err) | |
9143 | return err; | |
9144 | ||
9145 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
9146 | new_rule->delay = | |
9147 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
9148 | if (new_rule->delay > coalesce->max_delay) | |
9149 | return -EINVAL; | |
9150 | ||
9151 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
9152 | new_rule->condition = | |
9153 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
9154 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
9155 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
9156 | return -EINVAL; | |
9157 | ||
9158 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
9159 | return -EINVAL; | |
9160 | ||
9161 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
9162 | rem) | |
9163 | n_patterns++; | |
9164 | if (n_patterns > coalesce->n_patterns) | |
9165 | return -EINVAL; | |
9166 | ||
9167 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
9168 | GFP_KERNEL); | |
9169 | if (!new_rule->patterns) | |
9170 | return -ENOMEM; | |
9171 | ||
9172 | new_rule->n_patterns = n_patterns; | |
9173 | i = 0; | |
9174 | ||
9175 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
9176 | rem) { | |
922bd80f JB |
9177 | u8 *mask_pat; |
9178 | ||
be29b99a AK |
9179 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
9180 | nla_len(pat), NULL); | |
9181 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
9182 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
9183 | return -EINVAL; | |
9184 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
9185 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
9186 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
9187 | return -EINVAL; | |
9188 | if (pat_len > coalesce->pattern_max_len || | |
9189 | pat_len < coalesce->pattern_min_len) | |
9190 | return -EINVAL; | |
9191 | ||
9192 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
9193 | pkt_offset = 0; | |
9194 | else | |
9195 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
9196 | if (pkt_offset > coalesce->max_pkt_offset) | |
9197 | return -EINVAL; | |
9198 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
9199 | ||
922bd80f JB |
9200 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
9201 | if (!mask_pat) | |
be29b99a | 9202 | return -ENOMEM; |
922bd80f JB |
9203 | |
9204 | new_rule->patterns[i].mask = mask_pat; | |
9205 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
9206 | mask_len); | |
9207 | ||
9208 | mask_pat += mask_len; | |
9209 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 9210 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
9211 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
9212 | pat_len); | |
be29b99a AK |
9213 | i++; |
9214 | } | |
9215 | ||
9216 | return 0; | |
9217 | } | |
9218 | ||
9219 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
9220 | { | |
9221 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9222 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
9223 | struct cfg80211_coalesce new_coalesce = {}; | |
9224 | struct cfg80211_coalesce *n_coalesce; | |
9225 | int err, rem_rule, n_rules = 0, i, j; | |
9226 | struct nlattr *rule; | |
9227 | struct cfg80211_coalesce_rules *tmp_rule; | |
9228 | ||
9229 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
9230 | return -EOPNOTSUPP; | |
9231 | ||
9232 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
9233 | cfg80211_rdev_free_coalesce(rdev); | |
9234 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
9235 | return 0; | |
9236 | } | |
9237 | ||
9238 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
9239 | rem_rule) | |
9240 | n_rules++; | |
9241 | if (n_rules > coalesce->n_rules) | |
9242 | return -EINVAL; | |
9243 | ||
9244 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
9245 | GFP_KERNEL); | |
9246 | if (!new_coalesce.rules) | |
9247 | return -ENOMEM; | |
9248 | ||
9249 | new_coalesce.n_rules = n_rules; | |
9250 | i = 0; | |
9251 | ||
9252 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
9253 | rem_rule) { | |
9254 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
9255 | &new_coalesce.rules[i]); | |
9256 | if (err) | |
9257 | goto error; | |
9258 | ||
9259 | i++; | |
9260 | } | |
9261 | ||
9262 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
9263 | if (err) | |
9264 | goto error; | |
9265 | ||
9266 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
9267 | if (!n_coalesce) { | |
9268 | err = -ENOMEM; | |
9269 | goto error; | |
9270 | } | |
9271 | cfg80211_rdev_free_coalesce(rdev); | |
9272 | rdev->coalesce = n_coalesce; | |
9273 | ||
9274 | return 0; | |
9275 | error: | |
9276 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
9277 | tmp_rule = &new_coalesce.rules[i]; | |
9278 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
9279 | kfree(tmp_rule->patterns[j].mask); | |
9280 | kfree(tmp_rule->patterns); | |
9281 | } | |
9282 | kfree(new_coalesce.rules); | |
9283 | ||
9284 | return err; | |
9285 | } | |
9286 | ||
e5497d76 JB |
9287 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
9288 | { | |
9289 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9290 | struct net_device *dev = info->user_ptr[1]; | |
9291 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9292 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
9293 | struct cfg80211_gtk_rekey_data rekey_data; | |
9294 | int err; | |
9295 | ||
9296 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
9297 | return -EINVAL; | |
9298 | ||
9299 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
9300 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
9301 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
9302 | nl80211_rekey_policy); | |
9303 | if (err) | |
9304 | return err; | |
9305 | ||
9306 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
9307 | return -ERANGE; | |
9308 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
9309 | return -ERANGE; | |
9310 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
9311 | return -ERANGE; | |
9312 | ||
78f686ca JB |
9313 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
9314 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
9315 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
9316 | |
9317 | wdev_lock(wdev); | |
9318 | if (!wdev->current_bss) { | |
9319 | err = -ENOTCONN; | |
9320 | goto out; | |
9321 | } | |
9322 | ||
9323 | if (!rdev->ops->set_rekey_data) { | |
9324 | err = -EOPNOTSUPP; | |
9325 | goto out; | |
9326 | } | |
9327 | ||
e35e4d28 | 9328 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
9329 | out: |
9330 | wdev_unlock(wdev); | |
9331 | return err; | |
9332 | } | |
9333 | ||
28946da7 JB |
9334 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
9335 | struct genl_info *info) | |
9336 | { | |
9337 | struct net_device *dev = info->user_ptr[1]; | |
9338 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9339 | ||
9340 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
9341 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
9342 | return -EINVAL; | |
9343 | ||
15e47304 | 9344 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
9345 | return -EBUSY; |
9346 | ||
15e47304 | 9347 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
9348 | return 0; |
9349 | } | |
9350 | ||
7f6cf311 JB |
9351 | static int nl80211_probe_client(struct sk_buff *skb, |
9352 | struct genl_info *info) | |
9353 | { | |
9354 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9355 | struct net_device *dev = info->user_ptr[1]; | |
9356 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9357 | struct sk_buff *msg; | |
9358 | void *hdr; | |
9359 | const u8 *addr; | |
9360 | u64 cookie; | |
9361 | int err; | |
9362 | ||
9363 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
9364 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
9365 | return -EOPNOTSUPP; | |
9366 | ||
9367 | if (!info->attrs[NL80211_ATTR_MAC]) | |
9368 | return -EINVAL; | |
9369 | ||
9370 | if (!rdev->ops->probe_client) | |
9371 | return -EOPNOTSUPP; | |
9372 | ||
9373 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9374 | if (!msg) | |
9375 | return -ENOMEM; | |
9376 | ||
15e47304 | 9377 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 9378 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
9379 | if (!hdr) { |
9380 | err = -ENOBUFS; | |
7f6cf311 JB |
9381 | goto free_msg; |
9382 | } | |
9383 | ||
9384 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9385 | ||
e35e4d28 | 9386 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
9387 | if (err) |
9388 | goto free_msg; | |
9389 | ||
9360ffd1 DM |
9390 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
9391 | goto nla_put_failure; | |
7f6cf311 JB |
9392 | |
9393 | genlmsg_end(msg, hdr); | |
9394 | ||
9395 | return genlmsg_reply(msg, info); | |
9396 | ||
9397 | nla_put_failure: | |
9398 | err = -ENOBUFS; | |
9399 | free_msg: | |
9400 | nlmsg_free(msg); | |
9401 | return err; | |
9402 | } | |
9403 | ||
5e760230 JB |
9404 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
9405 | { | |
9406 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
9407 | struct cfg80211_beacon_registration *reg, *nreg; |
9408 | int rv; | |
5e760230 JB |
9409 | |
9410 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
9411 | return -EOPNOTSUPP; | |
9412 | ||
37c73b5f BG |
9413 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
9414 | if (!nreg) | |
9415 | return -ENOMEM; | |
9416 | ||
9417 | /* First, check if already registered. */ | |
9418 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
9419 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
9420 | if (reg->nlportid == info->snd_portid) { | |
9421 | rv = -EALREADY; | |
9422 | goto out_err; | |
9423 | } | |
9424 | } | |
9425 | /* Add it to the list */ | |
9426 | nreg->nlportid = info->snd_portid; | |
9427 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 9428 | |
37c73b5f | 9429 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
9430 | |
9431 | return 0; | |
37c73b5f BG |
9432 | out_err: |
9433 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
9434 | kfree(nreg); | |
9435 | return rv; | |
5e760230 JB |
9436 | } |
9437 | ||
98104fde JB |
9438 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
9439 | { | |
9440 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9441 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9442 | int err; | |
9443 | ||
9444 | if (!rdev->ops->start_p2p_device) | |
9445 | return -EOPNOTSUPP; | |
9446 | ||
9447 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
9448 | return -EOPNOTSUPP; | |
9449 | ||
9450 | if (wdev->p2p_started) | |
9451 | return 0; | |
9452 | ||
b6a55015 LC |
9453 | if (rfkill_blocked(rdev->rfkill)) |
9454 | return -ERFKILL; | |
98104fde | 9455 | |
eeb126e9 | 9456 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
9457 | if (err) |
9458 | return err; | |
9459 | ||
9460 | wdev->p2p_started = true; | |
98104fde | 9461 | rdev->opencount++; |
98104fde JB |
9462 | |
9463 | return 0; | |
9464 | } | |
9465 | ||
9466 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
9467 | { | |
9468 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9469 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9470 | ||
9471 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
9472 | return -EOPNOTSUPP; | |
9473 | ||
9474 | if (!rdev->ops->stop_p2p_device) | |
9475 | return -EOPNOTSUPP; | |
9476 | ||
f9f47529 | 9477 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
9478 | |
9479 | return 0; | |
9480 | } | |
9481 | ||
3713b4e3 JB |
9482 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
9483 | struct genl_info *info) | |
9484 | { | |
9485 | void *hdr; | |
9486 | struct sk_buff *msg; | |
9487 | ||
9488 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9489 | if (!msg) | |
9490 | return -ENOMEM; | |
9491 | ||
9492 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
9493 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
9494 | if (!hdr) | |
9495 | goto nla_put_failure; | |
9496 | ||
9497 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
9498 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
9499 | goto nla_put_failure; | |
9500 | ||
9501 | genlmsg_end(msg, hdr); | |
9502 | return genlmsg_reply(msg, info); | |
9503 | ||
9504 | nla_put_failure: | |
9505 | kfree_skb(msg); | |
9506 | return -ENOBUFS; | |
9507 | } | |
9508 | ||
355199e0 JM |
9509 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
9510 | { | |
9511 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9512 | struct cfg80211_update_ft_ies_params ft_params; | |
9513 | struct net_device *dev = info->user_ptr[1]; | |
9514 | ||
9515 | if (!rdev->ops->update_ft_ies) | |
9516 | return -EOPNOTSUPP; | |
9517 | ||
9518 | if (!info->attrs[NL80211_ATTR_MDID] || | |
9519 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
9520 | return -EINVAL; | |
9521 | ||
9522 | memset(&ft_params, 0, sizeof(ft_params)); | |
9523 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
9524 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
9525 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9526 | ||
9527 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
9528 | } | |
9529 | ||
5de17984 AS |
9530 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
9531 | struct genl_info *info) | |
9532 | { | |
9533 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9534 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9535 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
9536 | u16 duration; | |
9537 | int ret; | |
9538 | ||
9539 | if (!rdev->ops->crit_proto_start) | |
9540 | return -EOPNOTSUPP; | |
9541 | ||
9542 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
9543 | return -EINVAL; | |
9544 | ||
9545 | if (rdev->crit_proto_nlportid) | |
9546 | return -EBUSY; | |
9547 | ||
9548 | /* determine protocol if provided */ | |
9549 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
9550 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
9551 | ||
9552 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
9553 | return -EINVAL; | |
9554 | ||
9555 | /* timeout must be provided */ | |
9556 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
9557 | return -EINVAL; | |
9558 | ||
9559 | duration = | |
9560 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
9561 | ||
9562 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
9563 | return -ERANGE; | |
9564 | ||
9565 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
9566 | if (!ret) | |
9567 | rdev->crit_proto_nlportid = info->snd_portid; | |
9568 | ||
9569 | return ret; | |
9570 | } | |
9571 | ||
9572 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
9573 | struct genl_info *info) | |
9574 | { | |
9575 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9576 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9577 | ||
9578 | if (!rdev->ops->crit_proto_stop) | |
9579 | return -EOPNOTSUPP; | |
9580 | ||
9581 | if (rdev->crit_proto_nlportid) { | |
9582 | rdev->crit_proto_nlportid = 0; | |
9583 | rdev_crit_proto_stop(rdev, wdev); | |
9584 | } | |
9585 | return 0; | |
9586 | } | |
9587 | ||
ad7e718c JB |
9588 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
9589 | { | |
9590 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9591 | struct wireless_dev *wdev = | |
9592 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
9593 | int i, err; | |
9594 | u32 vid, subcmd; | |
9595 | ||
9596 | if (!rdev->wiphy.vendor_commands) | |
9597 | return -EOPNOTSUPP; | |
9598 | ||
9599 | if (IS_ERR(wdev)) { | |
9600 | err = PTR_ERR(wdev); | |
9601 | if (err != -EINVAL) | |
9602 | return err; | |
9603 | wdev = NULL; | |
9604 | } else if (wdev->wiphy != &rdev->wiphy) { | |
9605 | return -EINVAL; | |
9606 | } | |
9607 | ||
9608 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
9609 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
9610 | return -EINVAL; | |
9611 | ||
9612 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
9613 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
9614 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
9615 | const struct wiphy_vendor_command *vcmd; | |
9616 | void *data = NULL; | |
9617 | int len = 0; | |
9618 | ||
9619 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
9620 | ||
9621 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
9622 | continue; | |
9623 | ||
9624 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
9625 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
9626 | if (!wdev) | |
9627 | return -EINVAL; | |
9628 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
9629 | !wdev->netdev) | |
9630 | return -EINVAL; | |
9631 | ||
9632 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
9633 | if (wdev->netdev && | |
9634 | !netif_running(wdev->netdev)) | |
9635 | return -ENETDOWN; | |
9636 | if (!wdev->netdev && !wdev->p2p_started) | |
9637 | return -ENETDOWN; | |
9638 | } | |
9639 | } else { | |
9640 | wdev = NULL; | |
9641 | } | |
9642 | ||
9643 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
9644 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9645 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9646 | } | |
9647 | ||
9648 | rdev->cur_cmd_info = info; | |
9649 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
9650 | data, len); | |
9651 | rdev->cur_cmd_info = NULL; | |
9652 | return err; | |
9653 | } | |
9654 | ||
9655 | return -EOPNOTSUPP; | |
9656 | } | |
9657 | ||
9658 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, | |
9659 | enum nl80211_commands cmd, | |
9660 | enum nl80211_attrs attr, | |
9661 | int approxlen) | |
9662 | { | |
f26cbf40 | 9663 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
9664 | |
9665 | if (WARN_ON(!rdev->cur_cmd_info)) | |
9666 | return NULL; | |
9667 | ||
9668 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, | |
9669 | rdev->cur_cmd_info->snd_portid, | |
9670 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 9671 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
9672 | } |
9673 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
9674 | ||
9675 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
9676 | { | |
9677 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
9678 | void *hdr = ((void **)skb->cb)[1]; | |
9679 | struct nlattr *data = ((void **)skb->cb)[2]; | |
9680 | ||
bd8c78e7 JB |
9681 | /* clear CB data for netlink core to own from now on */ |
9682 | memset(skb->cb, 0, sizeof(skb->cb)); | |
9683 | ||
ad7e718c JB |
9684 | if (WARN_ON(!rdev->cur_cmd_info)) { |
9685 | kfree_skb(skb); | |
9686 | return -EINVAL; | |
9687 | } | |
9688 | ||
9689 | nla_nest_end(skb, data); | |
9690 | genlmsg_end(skb, hdr); | |
9691 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
9692 | } | |
9693 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
9694 | ||
9695 | ||
fa9ffc74 KP |
9696 | static int nl80211_set_qos_map(struct sk_buff *skb, |
9697 | struct genl_info *info) | |
9698 | { | |
9699 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9700 | struct cfg80211_qos_map *qos_map = NULL; | |
9701 | struct net_device *dev = info->user_ptr[1]; | |
9702 | u8 *pos, len, num_des, des_len, des; | |
9703 | int ret; | |
9704 | ||
9705 | if (!rdev->ops->set_qos_map) | |
9706 | return -EOPNOTSUPP; | |
9707 | ||
9708 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
9709 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9710 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9711 | ||
9712 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
9713 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
9714 | return -EINVAL; | |
9715 | ||
9716 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
9717 | if (!qos_map) | |
9718 | return -ENOMEM; | |
9719 | ||
9720 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
9721 | if (num_des) { | |
9722 | des_len = num_des * | |
9723 | sizeof(struct cfg80211_dscp_exception); | |
9724 | memcpy(qos_map->dscp_exception, pos, des_len); | |
9725 | qos_map->num_des = num_des; | |
9726 | for (des = 0; des < num_des; des++) { | |
9727 | if (qos_map->dscp_exception[des].up > 7) { | |
9728 | kfree(qos_map); | |
9729 | return -EINVAL; | |
9730 | } | |
9731 | } | |
9732 | pos += des_len; | |
9733 | } | |
9734 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
9735 | } | |
9736 | ||
9737 | wdev_lock(dev->ieee80211_ptr); | |
9738 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
9739 | if (!ret) | |
9740 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
9741 | wdev_unlock(dev->ieee80211_ptr); | |
9742 | ||
9743 | kfree(qos_map); | |
9744 | return ret; | |
9745 | } | |
9746 | ||
960d01ac JB |
9747 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
9748 | { | |
9749 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9750 | struct net_device *dev = info->user_ptr[1]; | |
9751 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9752 | const u8 *peer; | |
9753 | u8 tsid, up; | |
9754 | u16 admitted_time = 0; | |
9755 | int err; | |
9756 | ||
723e73ac | 9757 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
9758 | return -EOPNOTSUPP; |
9759 | ||
9760 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
9761 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
9762 | return -EINVAL; | |
9763 | ||
9764 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
9765 | if (tsid >= IEEE80211_NUM_TIDS) | |
9766 | return -EINVAL; | |
9767 | ||
9768 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
9769 | if (up >= IEEE80211_NUM_UPS) | |
9770 | return -EINVAL; | |
9771 | ||
9772 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 9773 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 9774 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
9775 | * need more attributes for that (e.g. BA session requirement); |
9776 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
9777 | */ |
9778 | return -EINVAL; | |
9779 | } | |
9780 | ||
9781 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9782 | ||
9783 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
9784 | admitted_time = | |
9785 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
9786 | if (!admitted_time) | |
9787 | return -EINVAL; | |
9788 | } | |
9789 | ||
9790 | wdev_lock(wdev); | |
9791 | switch (wdev->iftype) { | |
9792 | case NL80211_IFTYPE_STATION: | |
9793 | case NL80211_IFTYPE_P2P_CLIENT: | |
9794 | if (wdev->current_bss) | |
9795 | break; | |
9796 | err = -ENOTCONN; | |
9797 | goto out; | |
9798 | default: | |
9799 | err = -EOPNOTSUPP; | |
9800 | goto out; | |
9801 | } | |
9802 | ||
9803 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
9804 | ||
9805 | out: | |
9806 | wdev_unlock(wdev); | |
9807 | return err; | |
9808 | } | |
9809 | ||
9810 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
9811 | { | |
9812 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9813 | struct net_device *dev = info->user_ptr[1]; | |
9814 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9815 | const u8 *peer; | |
9816 | u8 tsid; | |
9817 | int err; | |
9818 | ||
9819 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
9820 | return -EINVAL; | |
9821 | ||
9822 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
9823 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9824 | ||
9825 | wdev_lock(wdev); | |
9826 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
9827 | wdev_unlock(wdev); | |
9828 | ||
9829 | return err; | |
9830 | } | |
9831 | ||
1057d35e AN |
9832 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
9833 | struct genl_info *info) | |
9834 | { | |
9835 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9836 | struct net_device *dev = info->user_ptr[1]; | |
9837 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9838 | struct cfg80211_chan_def chandef = {}; | |
9839 | const u8 *addr; | |
9840 | u8 oper_class; | |
9841 | int err; | |
9842 | ||
9843 | if (!rdev->ops->tdls_channel_switch || | |
9844 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
9845 | return -EOPNOTSUPP; | |
9846 | ||
9847 | switch (dev->ieee80211_ptr->iftype) { | |
9848 | case NL80211_IFTYPE_STATION: | |
9849 | case NL80211_IFTYPE_P2P_CLIENT: | |
9850 | break; | |
9851 | default: | |
9852 | return -EOPNOTSUPP; | |
9853 | } | |
9854 | ||
9855 | if (!info->attrs[NL80211_ATTR_MAC] || | |
9856 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
9857 | return -EINVAL; | |
9858 | ||
9859 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
9860 | if (err) | |
9861 | return err; | |
9862 | ||
9863 | /* | |
9864 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
9865 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
9866 | * specification is not defined for them. | |
9867 | */ | |
9868 | if (chandef.chan->band == IEEE80211_BAND_2GHZ && | |
9869 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && | |
9870 | chandef.width != NL80211_CHAN_WIDTH_20) | |
9871 | return -EINVAL; | |
9872 | ||
9873 | /* we will be active on the TDLS link */ | |
9874 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, wdev->iftype)) | |
9875 | return -EINVAL; | |
9876 | ||
9877 | /* don't allow switching to DFS channels */ | |
9878 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
9879 | return -EINVAL; | |
9880 | ||
9881 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9882 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
9883 | ||
9884 | wdev_lock(wdev); | |
9885 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
9886 | wdev_unlock(wdev); | |
9887 | ||
9888 | return err; | |
9889 | } | |
9890 | ||
9891 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
9892 | struct genl_info *info) | |
9893 | { | |
9894 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9895 | struct net_device *dev = info->user_ptr[1]; | |
9896 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9897 | const u8 *addr; | |
9898 | ||
9899 | if (!rdev->ops->tdls_channel_switch || | |
9900 | !rdev->ops->tdls_cancel_channel_switch || | |
9901 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
9902 | return -EOPNOTSUPP; | |
9903 | ||
9904 | switch (dev->ieee80211_ptr->iftype) { | |
9905 | case NL80211_IFTYPE_STATION: | |
9906 | case NL80211_IFTYPE_P2P_CLIENT: | |
9907 | break; | |
9908 | default: | |
9909 | return -EOPNOTSUPP; | |
9910 | } | |
9911 | ||
9912 | if (!info->attrs[NL80211_ATTR_MAC]) | |
9913 | return -EINVAL; | |
9914 | ||
9915 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9916 | ||
9917 | wdev_lock(wdev); | |
9918 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
9919 | wdev_unlock(wdev); | |
9920 | ||
9921 | return 0; | |
9922 | } | |
9923 | ||
4c476991 JB |
9924 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
9925 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
9926 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
9927 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
9928 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
9929 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 9930 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 9931 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
9932 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
9933 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 9934 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 9935 | |
f84f771d | 9936 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
9937 | struct genl_info *info) |
9938 | { | |
9939 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 9940 | struct wireless_dev *wdev; |
4c476991 | 9941 | struct net_device *dev; |
4c476991 JB |
9942 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
9943 | ||
9944 | if (rtnl) | |
9945 | rtnl_lock(); | |
9946 | ||
9947 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 9948 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
9949 | if (IS_ERR(rdev)) { |
9950 | if (rtnl) | |
9951 | rtnl_unlock(); | |
9952 | return PTR_ERR(rdev); | |
9953 | } | |
9954 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
9955 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
9956 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
9957 | ASSERT_RTNL(); |
9958 | ||
89a54e48 JB |
9959 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
9960 | info->attrs); | |
9961 | if (IS_ERR(wdev)) { | |
4c476991 JB |
9962 | if (rtnl) |
9963 | rtnl_unlock(); | |
89a54e48 | 9964 | return PTR_ERR(wdev); |
4c476991 | 9965 | } |
89a54e48 | 9966 | |
89a54e48 | 9967 | dev = wdev->netdev; |
f26cbf40 | 9968 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 9969 | |
1bf614ef JB |
9970 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
9971 | if (!dev) { | |
1bf614ef JB |
9972 | if (rtnl) |
9973 | rtnl_unlock(); | |
9974 | return -EINVAL; | |
9975 | } | |
9976 | ||
9977 | info->user_ptr[1] = dev; | |
9978 | } else { | |
9979 | info->user_ptr[1] = wdev; | |
41265714 | 9980 | } |
1bf614ef JB |
9981 | |
9982 | if (dev) { | |
9983 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
9984 | !netif_running(dev)) { | |
1bf614ef JB |
9985 | if (rtnl) |
9986 | rtnl_unlock(); | |
9987 | return -ENETDOWN; | |
9988 | } | |
9989 | ||
9990 | dev_hold(dev); | |
98104fde JB |
9991 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
9992 | if (!wdev->p2p_started) { | |
98104fde JB |
9993 | if (rtnl) |
9994 | rtnl_unlock(); | |
9995 | return -ENETDOWN; | |
9996 | } | |
41265714 | 9997 | } |
89a54e48 | 9998 | |
4c476991 | 9999 | info->user_ptr[0] = rdev; |
4c476991 JB |
10000 | } |
10001 | ||
10002 | return 0; | |
10003 | } | |
10004 | ||
f84f771d | 10005 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
10006 | struct genl_info *info) |
10007 | { | |
1bf614ef JB |
10008 | if (info->user_ptr[1]) { |
10009 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
10010 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10011 | ||
10012 | if (wdev->netdev) | |
10013 | dev_put(wdev->netdev); | |
10014 | } else { | |
10015 | dev_put(info->user_ptr[1]); | |
10016 | } | |
10017 | } | |
5393b917 | 10018 | |
4c476991 JB |
10019 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
10020 | rtnl_unlock(); | |
5393b917 JB |
10021 | |
10022 | /* If needed, clear the netlink message payload from the SKB | |
10023 | * as it might contain key data that shouldn't stick around on | |
10024 | * the heap after the SKB is freed. The netlink message header | |
10025 | * is still needed for further processing, so leave it intact. | |
10026 | */ | |
10027 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
10028 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
10029 | ||
10030 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
10031 | } | |
4c476991 JB |
10032 | } |
10033 | ||
4534de83 | 10034 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
10035 | { |
10036 | .cmd = NL80211_CMD_GET_WIPHY, | |
10037 | .doit = nl80211_get_wiphy, | |
10038 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 10039 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
10040 | .policy = nl80211_policy, |
10041 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
10042 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10043 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10044 | }, |
10045 | { | |
10046 | .cmd = NL80211_CMD_SET_WIPHY, | |
10047 | .doit = nl80211_set_wiphy, | |
10048 | .policy = nl80211_policy, | |
10049 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 10050 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
10051 | }, |
10052 | { | |
10053 | .cmd = NL80211_CMD_GET_INTERFACE, | |
10054 | .doit = nl80211_get_interface, | |
10055 | .dumpit = nl80211_dump_interface, | |
10056 | .policy = nl80211_policy, | |
10057 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
10058 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
10059 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10060 | }, |
10061 | { | |
10062 | .cmd = NL80211_CMD_SET_INTERFACE, | |
10063 | .doit = nl80211_set_interface, | |
10064 | .policy = nl80211_policy, | |
10065 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10066 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10067 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10068 | }, |
10069 | { | |
10070 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
10071 | .doit = nl80211_new_interface, | |
10072 | .policy = nl80211_policy, | |
10073 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10074 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10075 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10076 | }, |
10077 | { | |
10078 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
10079 | .doit = nl80211_del_interface, | |
10080 | .policy = nl80211_policy, | |
41ade00f | 10081 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 10082 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 10083 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
10084 | }, |
10085 | { | |
10086 | .cmd = NL80211_CMD_GET_KEY, | |
10087 | .doit = nl80211_get_key, | |
10088 | .policy = nl80211_policy, | |
10089 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10090 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10091 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
10092 | }, |
10093 | { | |
10094 | .cmd = NL80211_CMD_SET_KEY, | |
10095 | .doit = nl80211_set_key, | |
10096 | .policy = nl80211_policy, | |
10097 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10098 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
10099 | NL80211_FLAG_NEED_RTNL | |
10100 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
10101 | }, |
10102 | { | |
10103 | .cmd = NL80211_CMD_NEW_KEY, | |
10104 | .doit = nl80211_new_key, | |
10105 | .policy = nl80211_policy, | |
10106 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10107 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
10108 | NL80211_FLAG_NEED_RTNL | |
10109 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
10110 | }, |
10111 | { | |
10112 | .cmd = NL80211_CMD_DEL_KEY, | |
10113 | .doit = nl80211_del_key, | |
10114 | .policy = nl80211_policy, | |
55682965 | 10115 | .flags = GENL_ADMIN_PERM, |
41265714 | 10116 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10117 | NL80211_FLAG_NEED_RTNL, |
55682965 | 10118 | }, |
ed1b6cc7 JB |
10119 | { |
10120 | .cmd = NL80211_CMD_SET_BEACON, | |
10121 | .policy = nl80211_policy, | |
10122 | .flags = GENL_ADMIN_PERM, | |
8860020e | 10123 | .doit = nl80211_set_beacon, |
2b5f8b0b | 10124 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10125 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
10126 | }, |
10127 | { | |
8860020e | 10128 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
10129 | .policy = nl80211_policy, |
10130 | .flags = GENL_ADMIN_PERM, | |
8860020e | 10131 | .doit = nl80211_start_ap, |
2b5f8b0b | 10132 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10133 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
10134 | }, |
10135 | { | |
8860020e | 10136 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
10137 | .policy = nl80211_policy, |
10138 | .flags = GENL_ADMIN_PERM, | |
8860020e | 10139 | .doit = nl80211_stop_ap, |
2b5f8b0b | 10140 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10141 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 10142 | }, |
5727ef1b JB |
10143 | { |
10144 | .cmd = NL80211_CMD_GET_STATION, | |
10145 | .doit = nl80211_get_station, | |
2ec600d6 | 10146 | .dumpit = nl80211_dump_station, |
5727ef1b | 10147 | .policy = nl80211_policy, |
4c476991 JB |
10148 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10149 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
10150 | }, |
10151 | { | |
10152 | .cmd = NL80211_CMD_SET_STATION, | |
10153 | .doit = nl80211_set_station, | |
10154 | .policy = nl80211_policy, | |
10155 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10156 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10157 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
10158 | }, |
10159 | { | |
10160 | .cmd = NL80211_CMD_NEW_STATION, | |
10161 | .doit = nl80211_new_station, | |
10162 | .policy = nl80211_policy, | |
10163 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10164 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10165 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
10166 | }, |
10167 | { | |
10168 | .cmd = NL80211_CMD_DEL_STATION, | |
10169 | .doit = nl80211_del_station, | |
10170 | .policy = nl80211_policy, | |
2ec600d6 | 10171 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 10172 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10173 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
10174 | }, |
10175 | { | |
10176 | .cmd = NL80211_CMD_GET_MPATH, | |
10177 | .doit = nl80211_get_mpath, | |
10178 | .dumpit = nl80211_dump_mpath, | |
10179 | .policy = nl80211_policy, | |
10180 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10181 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10182 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 | 10183 | }, |
66be7d2b HR |
10184 | { |
10185 | .cmd = NL80211_CMD_GET_MPP, | |
10186 | .doit = nl80211_get_mpp, | |
10187 | .dumpit = nl80211_dump_mpp, | |
10188 | .policy = nl80211_policy, | |
10189 | .flags = GENL_ADMIN_PERM, | |
10190 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10191 | NL80211_FLAG_NEED_RTNL, | |
10192 | }, | |
2ec600d6 LCC |
10193 | { |
10194 | .cmd = NL80211_CMD_SET_MPATH, | |
10195 | .doit = nl80211_set_mpath, | |
10196 | .policy = nl80211_policy, | |
10197 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10198 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10199 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
10200 | }, |
10201 | { | |
10202 | .cmd = NL80211_CMD_NEW_MPATH, | |
10203 | .doit = nl80211_new_mpath, | |
10204 | .policy = nl80211_policy, | |
10205 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10206 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10207 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
10208 | }, |
10209 | { | |
10210 | .cmd = NL80211_CMD_DEL_MPATH, | |
10211 | .doit = nl80211_del_mpath, | |
10212 | .policy = nl80211_policy, | |
9f1ba906 | 10213 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 10214 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10215 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
10216 | }, |
10217 | { | |
10218 | .cmd = NL80211_CMD_SET_BSS, | |
10219 | .doit = nl80211_set_bss, | |
10220 | .policy = nl80211_policy, | |
b2e1b302 | 10221 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 10222 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10223 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 10224 | }, |
f130347c LR |
10225 | { |
10226 | .cmd = NL80211_CMD_GET_REG, | |
10227 | .doit = nl80211_get_reg, | |
10228 | .policy = nl80211_policy, | |
5fe231e8 | 10229 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
10230 | /* can be retrieved by unprivileged users */ |
10231 | }, | |
b2e1b302 LR |
10232 | { |
10233 | .cmd = NL80211_CMD_SET_REG, | |
10234 | .doit = nl80211_set_reg, | |
10235 | .policy = nl80211_policy, | |
10236 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 10237 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
10238 | }, |
10239 | { | |
10240 | .cmd = NL80211_CMD_REQ_SET_REG, | |
10241 | .doit = nl80211_req_set_reg, | |
10242 | .policy = nl80211_policy, | |
93da9cc1 | 10243 | .flags = GENL_ADMIN_PERM, |
10244 | }, | |
10245 | { | |
24bdd9f4 JC |
10246 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
10247 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 10248 | .policy = nl80211_policy, |
10249 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 10250 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10251 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 10252 | }, |
10253 | { | |
24bdd9f4 JC |
10254 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
10255 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 10256 | .policy = nl80211_policy, |
9aed3cc1 | 10257 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 10258 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10259 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 10260 | }, |
2a519311 JB |
10261 | { |
10262 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
10263 | .doit = nl80211_trigger_scan, | |
10264 | .policy = nl80211_policy, | |
10265 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 10266 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10267 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
10268 | }, |
10269 | { | |
10270 | .cmd = NL80211_CMD_GET_SCAN, | |
10271 | .policy = nl80211_policy, | |
10272 | .dumpit = nl80211_dump_scan, | |
10273 | }, | |
807f8a8c LC |
10274 | { |
10275 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
10276 | .doit = nl80211_start_sched_scan, | |
10277 | .policy = nl80211_policy, | |
10278 | .flags = GENL_ADMIN_PERM, | |
10279 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10280 | NL80211_FLAG_NEED_RTNL, | |
10281 | }, | |
10282 | { | |
10283 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
10284 | .doit = nl80211_stop_sched_scan, | |
10285 | .policy = nl80211_policy, | |
10286 | .flags = GENL_ADMIN_PERM, | |
10287 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10288 | NL80211_FLAG_NEED_RTNL, | |
10289 | }, | |
636a5d36 JM |
10290 | { |
10291 | .cmd = NL80211_CMD_AUTHENTICATE, | |
10292 | .doit = nl80211_authenticate, | |
10293 | .policy = nl80211_policy, | |
10294 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10295 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
10296 | NL80211_FLAG_NEED_RTNL | |
10297 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
10298 | }, |
10299 | { | |
10300 | .cmd = NL80211_CMD_ASSOCIATE, | |
10301 | .doit = nl80211_associate, | |
10302 | .policy = nl80211_policy, | |
10303 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10304 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10305 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
10306 | }, |
10307 | { | |
10308 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
10309 | .doit = nl80211_deauthenticate, | |
10310 | .policy = nl80211_policy, | |
10311 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10312 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10313 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
10314 | }, |
10315 | { | |
10316 | .cmd = NL80211_CMD_DISASSOCIATE, | |
10317 | .doit = nl80211_disassociate, | |
10318 | .policy = nl80211_policy, | |
10319 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10320 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10321 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 10322 | }, |
04a773ad JB |
10323 | { |
10324 | .cmd = NL80211_CMD_JOIN_IBSS, | |
10325 | .doit = nl80211_join_ibss, | |
10326 | .policy = nl80211_policy, | |
10327 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10328 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10329 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
10330 | }, |
10331 | { | |
10332 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
10333 | .doit = nl80211_leave_ibss, | |
10334 | .policy = nl80211_policy, | |
10335 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10336 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10337 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 10338 | }, |
aff89a9b JB |
10339 | #ifdef CONFIG_NL80211_TESTMODE |
10340 | { | |
10341 | .cmd = NL80211_CMD_TESTMODE, | |
10342 | .doit = nl80211_testmode_do, | |
71063f0e | 10343 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
10344 | .policy = nl80211_policy, |
10345 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10346 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10347 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
10348 | }, |
10349 | #endif | |
b23aa676 SO |
10350 | { |
10351 | .cmd = NL80211_CMD_CONNECT, | |
10352 | .doit = nl80211_connect, | |
10353 | .policy = nl80211_policy, | |
10354 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10355 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10356 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
10357 | }, |
10358 | { | |
10359 | .cmd = NL80211_CMD_DISCONNECT, | |
10360 | .doit = nl80211_disconnect, | |
10361 | .policy = nl80211_policy, | |
10362 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10363 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10364 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 10365 | }, |
463d0183 JB |
10366 | { |
10367 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
10368 | .doit = nl80211_wiphy_netns, | |
10369 | .policy = nl80211_policy, | |
10370 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10371 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10372 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 10373 | }, |
61fa713c HS |
10374 | { |
10375 | .cmd = NL80211_CMD_GET_SURVEY, | |
10376 | .policy = nl80211_policy, | |
10377 | .dumpit = nl80211_dump_survey, | |
10378 | }, | |
67fbb16b SO |
10379 | { |
10380 | .cmd = NL80211_CMD_SET_PMKSA, | |
10381 | .doit = nl80211_setdel_pmksa, | |
10382 | .policy = nl80211_policy, | |
10383 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10384 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10385 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
10386 | }, |
10387 | { | |
10388 | .cmd = NL80211_CMD_DEL_PMKSA, | |
10389 | .doit = nl80211_setdel_pmksa, | |
10390 | .policy = nl80211_policy, | |
10391 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10392 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10393 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
10394 | }, |
10395 | { | |
10396 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
10397 | .doit = nl80211_flush_pmksa, | |
10398 | .policy = nl80211_policy, | |
10399 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10400 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10401 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 10402 | }, |
9588bbd5 JM |
10403 | { |
10404 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
10405 | .doit = nl80211_remain_on_channel, | |
10406 | .policy = nl80211_policy, | |
10407 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 10408 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10409 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
10410 | }, |
10411 | { | |
10412 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
10413 | .doit = nl80211_cancel_remain_on_channel, | |
10414 | .policy = nl80211_policy, | |
10415 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 10416 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10417 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 10418 | }, |
13ae75b1 JM |
10419 | { |
10420 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
10421 | .doit = nl80211_set_tx_bitrate_mask, | |
10422 | .policy = nl80211_policy, | |
10423 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10424 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10425 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 10426 | }, |
026331c4 | 10427 | { |
2e161f78 JB |
10428 | .cmd = NL80211_CMD_REGISTER_FRAME, |
10429 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
10430 | .policy = nl80211_policy, |
10431 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 10432 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 10433 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
10434 | }, |
10435 | { | |
2e161f78 JB |
10436 | .cmd = NL80211_CMD_FRAME, |
10437 | .doit = nl80211_tx_mgmt, | |
026331c4 | 10438 | .policy = nl80211_policy, |
f7ca38df | 10439 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 10440 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
10441 | NL80211_FLAG_NEED_RTNL, |
10442 | }, | |
10443 | { | |
10444 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
10445 | .doit = nl80211_tx_mgmt_cancel_wait, | |
10446 | .policy = nl80211_policy, | |
026331c4 | 10447 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 10448 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10449 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 10450 | }, |
ffb9eb3d KV |
10451 | { |
10452 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
10453 | .doit = nl80211_set_power_save, | |
10454 | .policy = nl80211_policy, | |
10455 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10456 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10457 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
10458 | }, |
10459 | { | |
10460 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
10461 | .doit = nl80211_get_power_save, | |
10462 | .policy = nl80211_policy, | |
10463 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
10464 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10465 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 10466 | }, |
d6dc1a38 JO |
10467 | { |
10468 | .cmd = NL80211_CMD_SET_CQM, | |
10469 | .doit = nl80211_set_cqm, | |
10470 | .policy = nl80211_policy, | |
10471 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10472 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10473 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 10474 | }, |
f444de05 JB |
10475 | { |
10476 | .cmd = NL80211_CMD_SET_CHANNEL, | |
10477 | .doit = nl80211_set_channel, | |
10478 | .policy = nl80211_policy, | |
10479 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10480 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10481 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 10482 | }, |
e8347eba BJ |
10483 | { |
10484 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
10485 | .doit = nl80211_set_wds_peer, | |
10486 | .policy = nl80211_policy, | |
10487 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
10488 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10489 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 10490 | }, |
29cbe68c JB |
10491 | { |
10492 | .cmd = NL80211_CMD_JOIN_MESH, | |
10493 | .doit = nl80211_join_mesh, | |
10494 | .policy = nl80211_policy, | |
10495 | .flags = GENL_ADMIN_PERM, | |
10496 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10497 | NL80211_FLAG_NEED_RTNL, | |
10498 | }, | |
10499 | { | |
10500 | .cmd = NL80211_CMD_LEAVE_MESH, | |
10501 | .doit = nl80211_leave_mesh, | |
10502 | .policy = nl80211_policy, | |
10503 | .flags = GENL_ADMIN_PERM, | |
10504 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10505 | NL80211_FLAG_NEED_RTNL, | |
10506 | }, | |
6e0bd6c3 RL |
10507 | { |
10508 | .cmd = NL80211_CMD_JOIN_OCB, | |
10509 | .doit = nl80211_join_ocb, | |
10510 | .policy = nl80211_policy, | |
10511 | .flags = GENL_ADMIN_PERM, | |
10512 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10513 | NL80211_FLAG_NEED_RTNL, | |
10514 | }, | |
10515 | { | |
10516 | .cmd = NL80211_CMD_LEAVE_OCB, | |
10517 | .doit = nl80211_leave_ocb, | |
10518 | .policy = nl80211_policy, | |
10519 | .flags = GENL_ADMIN_PERM, | |
10520 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10521 | NL80211_FLAG_NEED_RTNL, | |
10522 | }, | |
dfb89c56 | 10523 | #ifdef CONFIG_PM |
ff1b6e69 JB |
10524 | { |
10525 | .cmd = NL80211_CMD_GET_WOWLAN, | |
10526 | .doit = nl80211_get_wowlan, | |
10527 | .policy = nl80211_policy, | |
10528 | /* can be retrieved by unprivileged users */ | |
10529 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10530 | NL80211_FLAG_NEED_RTNL, | |
10531 | }, | |
10532 | { | |
10533 | .cmd = NL80211_CMD_SET_WOWLAN, | |
10534 | .doit = nl80211_set_wowlan, | |
10535 | .policy = nl80211_policy, | |
10536 | .flags = GENL_ADMIN_PERM, | |
10537 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10538 | NL80211_FLAG_NEED_RTNL, | |
10539 | }, | |
dfb89c56 | 10540 | #endif |
e5497d76 JB |
10541 | { |
10542 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
10543 | .doit = nl80211_set_rekey_data, | |
10544 | .policy = nl80211_policy, | |
10545 | .flags = GENL_ADMIN_PERM, | |
10546 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
5393b917 JB |
10547 | NL80211_FLAG_NEED_RTNL | |
10548 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 10549 | }, |
109086ce AN |
10550 | { |
10551 | .cmd = NL80211_CMD_TDLS_MGMT, | |
10552 | .doit = nl80211_tdls_mgmt, | |
10553 | .policy = nl80211_policy, | |
10554 | .flags = GENL_ADMIN_PERM, | |
10555 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10556 | NL80211_FLAG_NEED_RTNL, | |
10557 | }, | |
10558 | { | |
10559 | .cmd = NL80211_CMD_TDLS_OPER, | |
10560 | .doit = nl80211_tdls_oper, | |
10561 | .policy = nl80211_policy, | |
10562 | .flags = GENL_ADMIN_PERM, | |
10563 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10564 | NL80211_FLAG_NEED_RTNL, | |
10565 | }, | |
28946da7 JB |
10566 | { |
10567 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
10568 | .doit = nl80211_register_unexpected_frame, | |
10569 | .policy = nl80211_policy, | |
10570 | .flags = GENL_ADMIN_PERM, | |
10571 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10572 | NL80211_FLAG_NEED_RTNL, | |
10573 | }, | |
7f6cf311 JB |
10574 | { |
10575 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
10576 | .doit = nl80211_probe_client, | |
10577 | .policy = nl80211_policy, | |
10578 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10579 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
10580 | NL80211_FLAG_NEED_RTNL, |
10581 | }, | |
5e760230 JB |
10582 | { |
10583 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
10584 | .doit = nl80211_register_beacons, | |
10585 | .policy = nl80211_policy, | |
10586 | .flags = GENL_ADMIN_PERM, | |
10587 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10588 | NL80211_FLAG_NEED_RTNL, | |
10589 | }, | |
1d9d9213 SW |
10590 | { |
10591 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
10592 | .doit = nl80211_set_noack_map, | |
10593 | .policy = nl80211_policy, | |
10594 | .flags = GENL_ADMIN_PERM, | |
10595 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10596 | NL80211_FLAG_NEED_RTNL, | |
10597 | }, | |
98104fde JB |
10598 | { |
10599 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
10600 | .doit = nl80211_start_p2p_device, | |
10601 | .policy = nl80211_policy, | |
10602 | .flags = GENL_ADMIN_PERM, | |
10603 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
10604 | NL80211_FLAG_NEED_RTNL, | |
10605 | }, | |
10606 | { | |
10607 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
10608 | .doit = nl80211_stop_p2p_device, | |
10609 | .policy = nl80211_policy, | |
10610 | .flags = GENL_ADMIN_PERM, | |
10611 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10612 | NL80211_FLAG_NEED_RTNL, | |
10613 | }, | |
f4e583c8 AQ |
10614 | { |
10615 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
10616 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
10617 | .policy = nl80211_policy, |
10618 | .flags = GENL_ADMIN_PERM, | |
10619 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10620 | NL80211_FLAG_NEED_RTNL, | |
10621 | }, | |
10622 | { | |
10623 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
10624 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
10625 | .policy = nl80211_policy, |
10626 | .flags = GENL_ADMIN_PERM, | |
10627 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10628 | NL80211_FLAG_NEED_RTNL, | |
10629 | }, | |
04f39047 SW |
10630 | { |
10631 | .cmd = NL80211_CMD_RADAR_DETECT, | |
10632 | .doit = nl80211_start_radar_detection, | |
10633 | .policy = nl80211_policy, | |
10634 | .flags = GENL_ADMIN_PERM, | |
10635 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10636 | NL80211_FLAG_NEED_RTNL, | |
10637 | }, | |
3713b4e3 JB |
10638 | { |
10639 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
10640 | .doit = nl80211_get_protocol_features, | |
10641 | .policy = nl80211_policy, | |
10642 | }, | |
355199e0 JM |
10643 | { |
10644 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
10645 | .doit = nl80211_update_ft_ies, | |
10646 | .policy = nl80211_policy, | |
10647 | .flags = GENL_ADMIN_PERM, | |
10648 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10649 | NL80211_FLAG_NEED_RTNL, | |
10650 | }, | |
5de17984 AS |
10651 | { |
10652 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
10653 | .doit = nl80211_crit_protocol_start, | |
10654 | .policy = nl80211_policy, | |
10655 | .flags = GENL_ADMIN_PERM, | |
10656 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10657 | NL80211_FLAG_NEED_RTNL, | |
10658 | }, | |
10659 | { | |
10660 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
10661 | .doit = nl80211_crit_protocol_stop, | |
10662 | .policy = nl80211_policy, | |
10663 | .flags = GENL_ADMIN_PERM, | |
10664 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10665 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
10666 | }, |
10667 | { | |
10668 | .cmd = NL80211_CMD_GET_COALESCE, | |
10669 | .doit = nl80211_get_coalesce, | |
10670 | .policy = nl80211_policy, | |
10671 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10672 | NL80211_FLAG_NEED_RTNL, | |
10673 | }, | |
10674 | { | |
10675 | .cmd = NL80211_CMD_SET_COALESCE, | |
10676 | .doit = nl80211_set_coalesce, | |
10677 | .policy = nl80211_policy, | |
10678 | .flags = GENL_ADMIN_PERM, | |
10679 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10680 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
10681 | }, |
10682 | { | |
10683 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
10684 | .doit = nl80211_channel_switch, | |
10685 | .policy = nl80211_policy, | |
10686 | .flags = GENL_ADMIN_PERM, | |
10687 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10688 | NL80211_FLAG_NEED_RTNL, | |
10689 | }, | |
ad7e718c JB |
10690 | { |
10691 | .cmd = NL80211_CMD_VENDOR, | |
10692 | .doit = nl80211_vendor_cmd, | |
10693 | .policy = nl80211_policy, | |
10694 | .flags = GENL_ADMIN_PERM, | |
10695 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10696 | NL80211_FLAG_NEED_RTNL, | |
10697 | }, | |
fa9ffc74 KP |
10698 | { |
10699 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
10700 | .doit = nl80211_set_qos_map, | |
10701 | .policy = nl80211_policy, | |
10702 | .flags = GENL_ADMIN_PERM, | |
10703 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10704 | NL80211_FLAG_NEED_RTNL, | |
10705 | }, | |
960d01ac JB |
10706 | { |
10707 | .cmd = NL80211_CMD_ADD_TX_TS, | |
10708 | .doit = nl80211_add_tx_ts, | |
10709 | .policy = nl80211_policy, | |
10710 | .flags = GENL_ADMIN_PERM, | |
10711 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10712 | NL80211_FLAG_NEED_RTNL, | |
10713 | }, | |
10714 | { | |
10715 | .cmd = NL80211_CMD_DEL_TX_TS, | |
10716 | .doit = nl80211_del_tx_ts, | |
10717 | .policy = nl80211_policy, | |
10718 | .flags = GENL_ADMIN_PERM, | |
10719 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10720 | NL80211_FLAG_NEED_RTNL, | |
10721 | }, | |
1057d35e AN |
10722 | { |
10723 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
10724 | .doit = nl80211_tdls_channel_switch, | |
10725 | .policy = nl80211_policy, | |
10726 | .flags = GENL_ADMIN_PERM, | |
10727 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10728 | NL80211_FLAG_NEED_RTNL, | |
10729 | }, | |
10730 | { | |
10731 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
10732 | .doit = nl80211_tdls_cancel_channel_switch, | |
10733 | .policy = nl80211_policy, | |
10734 | .flags = GENL_ADMIN_PERM, | |
10735 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10736 | NL80211_FLAG_NEED_RTNL, | |
10737 | }, | |
55682965 | 10738 | }; |
9588bbd5 | 10739 | |
55682965 JB |
10740 | /* notification functions */ |
10741 | ||
3bb20556 JB |
10742 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
10743 | enum nl80211_commands cmd) | |
55682965 JB |
10744 | { |
10745 | struct sk_buff *msg; | |
86e8cf98 | 10746 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 10747 | |
3bb20556 JB |
10748 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
10749 | cmd != NL80211_CMD_DEL_WIPHY); | |
10750 | ||
fd2120ca | 10751 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
10752 | if (!msg) |
10753 | return; | |
10754 | ||
3bb20556 | 10755 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
10756 | nlmsg_free(msg); |
10757 | return; | |
10758 | } | |
10759 | ||
68eb5503 | 10760 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10761 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
10762 | } |
10763 | ||
362a415d JB |
10764 | static int nl80211_add_scan_req(struct sk_buff *msg, |
10765 | struct cfg80211_registered_device *rdev) | |
10766 | { | |
10767 | struct cfg80211_scan_request *req = rdev->scan_req; | |
10768 | struct nlattr *nest; | |
10769 | int i; | |
10770 | ||
10771 | if (WARN_ON(!req)) | |
10772 | return 0; | |
10773 | ||
10774 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
10775 | if (!nest) | |
10776 | goto nla_put_failure; | |
9360ffd1 DM |
10777 | for (i = 0; i < req->n_ssids; i++) { |
10778 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
10779 | goto nla_put_failure; | |
10780 | } | |
362a415d JB |
10781 | nla_nest_end(msg, nest); |
10782 | ||
10783 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
10784 | if (!nest) | |
10785 | goto nla_put_failure; | |
9360ffd1 DM |
10786 | for (i = 0; i < req->n_channels; i++) { |
10787 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
10788 | goto nla_put_failure; | |
10789 | } | |
362a415d JB |
10790 | nla_nest_end(msg, nest); |
10791 | ||
9360ffd1 DM |
10792 | if (req->ie && |
10793 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
10794 | goto nla_put_failure; | |
362a415d | 10795 | |
ae917c9f JB |
10796 | if (req->flags && |
10797 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
10798 | goto nla_put_failure; | |
ed473771 | 10799 | |
362a415d JB |
10800 | return 0; |
10801 | nla_put_failure: | |
10802 | return -ENOBUFS; | |
10803 | } | |
10804 | ||
a538e2d5 JB |
10805 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
10806 | struct cfg80211_registered_device *rdev, | |
fd014284 | 10807 | struct wireless_dev *wdev, |
15e47304 | 10808 | u32 portid, u32 seq, int flags, |
a538e2d5 | 10809 | u32 cmd) |
2a519311 JB |
10810 | { |
10811 | void *hdr; | |
10812 | ||
15e47304 | 10813 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
10814 | if (!hdr) |
10815 | return -1; | |
10816 | ||
9360ffd1 | 10817 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
10818 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10819 | wdev->netdev->ifindex)) || | |
10820 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 10821 | goto nla_put_failure; |
2a519311 | 10822 | |
362a415d JB |
10823 | /* ignore errors and send incomplete event anyway */ |
10824 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
10825 | |
10826 | return genlmsg_end(msg, hdr); | |
10827 | ||
10828 | nla_put_failure: | |
10829 | genlmsg_cancel(msg, hdr); | |
10830 | return -EMSGSIZE; | |
10831 | } | |
10832 | ||
807f8a8c LC |
10833 | static int |
10834 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
10835 | struct cfg80211_registered_device *rdev, | |
10836 | struct net_device *netdev, | |
15e47304 | 10837 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
10838 | { |
10839 | void *hdr; | |
10840 | ||
15e47304 | 10841 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
10842 | if (!hdr) |
10843 | return -1; | |
10844 | ||
9360ffd1 DM |
10845 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10846 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
10847 | goto nla_put_failure; | |
807f8a8c LC |
10848 | |
10849 | return genlmsg_end(msg, hdr); | |
10850 | ||
10851 | nla_put_failure: | |
10852 | genlmsg_cancel(msg, hdr); | |
10853 | return -EMSGSIZE; | |
10854 | } | |
10855 | ||
a538e2d5 | 10856 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 10857 | struct wireless_dev *wdev) |
a538e2d5 JB |
10858 | { |
10859 | struct sk_buff *msg; | |
10860 | ||
58050fce | 10861 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
10862 | if (!msg) |
10863 | return; | |
10864 | ||
fd014284 | 10865 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
10866 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
10867 | nlmsg_free(msg); | |
10868 | return; | |
10869 | } | |
10870 | ||
68eb5503 | 10871 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10872 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
10873 | } |
10874 | ||
f9d15d16 JB |
10875 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
10876 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
10877 | { |
10878 | struct sk_buff *msg; | |
10879 | ||
fd2120ca | 10880 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 10881 | if (!msg) |
f9d15d16 | 10882 | return NULL; |
2a519311 | 10883 | |
fd014284 | 10884 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
10885 | aborted ? NL80211_CMD_SCAN_ABORTED : |
10886 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 10887 | nlmsg_free(msg); |
f9d15d16 | 10888 | return NULL; |
2a519311 JB |
10889 | } |
10890 | ||
f9d15d16 | 10891 | return msg; |
2a519311 JB |
10892 | } |
10893 | ||
f9d15d16 JB |
10894 | void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, |
10895 | struct sk_buff *msg) | |
2a519311 | 10896 | { |
2a519311 JB |
10897 | if (!msg) |
10898 | return; | |
10899 | ||
68eb5503 | 10900 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10901 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
10902 | } |
10903 | ||
807f8a8c LC |
10904 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
10905 | struct net_device *netdev) | |
10906 | { | |
10907 | struct sk_buff *msg; | |
10908 | ||
10909 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10910 | if (!msg) | |
10911 | return; | |
10912 | ||
10913 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
10914 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
10915 | nlmsg_free(msg); | |
10916 | return; | |
10917 | } | |
10918 | ||
68eb5503 | 10919 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10920 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10921 | } |
10922 | ||
10923 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
10924 | struct net_device *netdev, u32 cmd) | |
10925 | { | |
10926 | struct sk_buff *msg; | |
10927 | ||
58050fce | 10928 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
10929 | if (!msg) |
10930 | return; | |
10931 | ||
10932 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
10933 | nlmsg_free(msg); | |
10934 | return; | |
10935 | } | |
10936 | ||
68eb5503 | 10937 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10938 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
10939 | } |
10940 | ||
73d54c9e LR |
10941 | /* |
10942 | * This can happen on global regulatory changes or device specific settings | |
10943 | * based on custom world regulatory domains. | |
10944 | */ | |
10945 | void nl80211_send_reg_change_event(struct regulatory_request *request) | |
10946 | { | |
10947 | struct sk_buff *msg; | |
10948 | void *hdr; | |
10949 | ||
fd2120ca | 10950 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
73d54c9e LR |
10951 | if (!msg) |
10952 | return; | |
10953 | ||
10954 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); | |
10955 | if (!hdr) { | |
10956 | nlmsg_free(msg); | |
10957 | return; | |
10958 | } | |
10959 | ||
10960 | /* Userspace can always count this one always being set */ | |
9360ffd1 DM |
10961 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
10962 | goto nla_put_failure; | |
10963 | ||
10964 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
10965 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10966 | NL80211_REGDOM_TYPE_WORLD)) | |
10967 | goto nla_put_failure; | |
10968 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
10969 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10970 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
10971 | goto nla_put_failure; | |
10972 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
10973 | request->intersect) { | |
10974 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10975 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
10976 | goto nla_put_failure; | |
10977 | } else { | |
10978 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
10979 | NL80211_REGDOM_TYPE_COUNTRY) || | |
10980 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
10981 | request->alpha2)) | |
10982 | goto nla_put_failure; | |
10983 | } | |
10984 | ||
f4173766 | 10985 | if (request->wiphy_idx != WIPHY_IDX_INVALID && |
9360ffd1 DM |
10986 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) |
10987 | goto nla_put_failure; | |
73d54c9e | 10988 | |
3b7b72ee | 10989 | genlmsg_end(msg, hdr); |
73d54c9e | 10990 | |
bc43b28c | 10991 | rcu_read_lock(); |
68eb5503 | 10992 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 10993 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 10994 | rcu_read_unlock(); |
73d54c9e LR |
10995 | |
10996 | return; | |
10997 | ||
10998 | nla_put_failure: | |
10999 | genlmsg_cancel(msg, hdr); | |
11000 | nlmsg_free(msg); | |
11001 | } | |
11002 | ||
6039f6d2 JM |
11003 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
11004 | struct net_device *netdev, | |
11005 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
11006 | enum nl80211_commands cmd, gfp_t gfp, |
11007 | int uapsd_queues) | |
6039f6d2 JM |
11008 | { |
11009 | struct sk_buff *msg; | |
11010 | void *hdr; | |
11011 | ||
e6d6e342 | 11012 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
11013 | if (!msg) |
11014 | return; | |
11015 | ||
11016 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
11017 | if (!hdr) { | |
11018 | nlmsg_free(msg); | |
11019 | return; | |
11020 | } | |
11021 | ||
9360ffd1 DM |
11022 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11023 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11024 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
11025 | goto nla_put_failure; | |
6039f6d2 | 11026 | |
b0b6aa2c EP |
11027 | if (uapsd_queues >= 0) { |
11028 | struct nlattr *nla_wmm = | |
11029 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
11030 | if (!nla_wmm) | |
11031 | goto nla_put_failure; | |
11032 | ||
11033 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
11034 | uapsd_queues)) | |
11035 | goto nla_put_failure; | |
11036 | ||
11037 | nla_nest_end(msg, nla_wmm); | |
11038 | } | |
11039 | ||
3b7b72ee | 11040 | genlmsg_end(msg, hdr); |
6039f6d2 | 11041 | |
68eb5503 | 11042 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11043 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
11044 | return; |
11045 | ||
11046 | nla_put_failure: | |
11047 | genlmsg_cancel(msg, hdr); | |
11048 | nlmsg_free(msg); | |
11049 | } | |
11050 | ||
11051 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
11052 | struct net_device *netdev, const u8 *buf, |
11053 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
11054 | { |
11055 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 11056 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
11057 | } |
11058 | ||
11059 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
11060 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 11061 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 11062 | { |
e6d6e342 | 11063 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 11064 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
11065 | } |
11066 | ||
53b46b84 | 11067 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
11068 | struct net_device *netdev, const u8 *buf, |
11069 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
11070 | { |
11071 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 11072 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
11073 | } |
11074 | ||
53b46b84 JM |
11075 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
11076 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 11077 | size_t len, gfp_t gfp) |
6039f6d2 JM |
11078 | { |
11079 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 11080 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
11081 | } |
11082 | ||
6ff57cf8 JB |
11083 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
11084 | size_t len) | |
cf4e594e | 11085 | { |
947add36 JB |
11086 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11087 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11088 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
11089 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
11090 | u32 cmd; | |
947add36 | 11091 | |
6ff57cf8 JB |
11092 | if (WARN_ON(len < 2)) |
11093 | return; | |
cf4e594e | 11094 | |
6ff57cf8 JB |
11095 | if (ieee80211_is_deauth(mgmt->frame_control)) |
11096 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
11097 | else | |
11098 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 11099 | |
6ff57cf8 | 11100 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 11101 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 11102 | } |
6ff57cf8 | 11103 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 11104 | |
1b06bb40 LR |
11105 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
11106 | struct net_device *netdev, int cmd, | |
e6d6e342 | 11107 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
11108 | { |
11109 | struct sk_buff *msg; | |
11110 | void *hdr; | |
11111 | ||
e6d6e342 | 11112 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
11113 | if (!msg) |
11114 | return; | |
11115 | ||
11116 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
11117 | if (!hdr) { | |
11118 | nlmsg_free(msg); | |
11119 | return; | |
11120 | } | |
11121 | ||
9360ffd1 DM |
11122 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11123 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11124 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
11125 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
11126 | goto nla_put_failure; | |
1965c853 | 11127 | |
3b7b72ee | 11128 | genlmsg_end(msg, hdr); |
1965c853 | 11129 | |
68eb5503 | 11130 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11131 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
11132 | return; |
11133 | ||
11134 | nla_put_failure: | |
11135 | genlmsg_cancel(msg, hdr); | |
11136 | nlmsg_free(msg); | |
11137 | } | |
11138 | ||
11139 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
11140 | struct net_device *netdev, const u8 *addr, |
11141 | gfp_t gfp) | |
1965c853 JM |
11142 | { |
11143 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 11144 | addr, gfp); |
1965c853 JM |
11145 | } |
11146 | ||
11147 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
11148 | struct net_device *netdev, const u8 *addr, |
11149 | gfp_t gfp) | |
1965c853 | 11150 | { |
e6d6e342 JB |
11151 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
11152 | addr, gfp); | |
1965c853 JM |
11153 | } |
11154 | ||
b23aa676 SO |
11155 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
11156 | struct net_device *netdev, const u8 *bssid, | |
11157 | const u8 *req_ie, size_t req_ie_len, | |
11158 | const u8 *resp_ie, size_t resp_ie_len, | |
11159 | u16 status, gfp_t gfp) | |
11160 | { | |
11161 | struct sk_buff *msg; | |
11162 | void *hdr; | |
11163 | ||
58050fce | 11164 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
11165 | if (!msg) |
11166 | return; | |
11167 | ||
11168 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
11169 | if (!hdr) { | |
11170 | nlmsg_free(msg); | |
11171 | return; | |
11172 | } | |
11173 | ||
9360ffd1 DM |
11174 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11175 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11176 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
11177 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
11178 | (req_ie && | |
11179 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
11180 | (resp_ie && | |
11181 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
11182 | goto nla_put_failure; | |
b23aa676 | 11183 | |
3b7b72ee | 11184 | genlmsg_end(msg, hdr); |
b23aa676 | 11185 | |
68eb5503 | 11186 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11187 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
11188 | return; |
11189 | ||
11190 | nla_put_failure: | |
11191 | genlmsg_cancel(msg, hdr); | |
11192 | nlmsg_free(msg); | |
11193 | ||
11194 | } | |
11195 | ||
11196 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
11197 | struct net_device *netdev, const u8 *bssid, | |
11198 | const u8 *req_ie, size_t req_ie_len, | |
11199 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
11200 | { | |
11201 | struct sk_buff *msg; | |
11202 | void *hdr; | |
11203 | ||
58050fce | 11204 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
11205 | if (!msg) |
11206 | return; | |
11207 | ||
11208 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
11209 | if (!hdr) { | |
11210 | nlmsg_free(msg); | |
11211 | return; | |
11212 | } | |
11213 | ||
9360ffd1 DM |
11214 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11215 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11216 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
11217 | (req_ie && | |
11218 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
11219 | (resp_ie && | |
11220 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
11221 | goto nla_put_failure; | |
b23aa676 | 11222 | |
3b7b72ee | 11223 | genlmsg_end(msg, hdr); |
b23aa676 | 11224 | |
68eb5503 | 11225 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11226 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
11227 | return; |
11228 | ||
11229 | nla_put_failure: | |
11230 | genlmsg_cancel(msg, hdr); | |
11231 | nlmsg_free(msg); | |
11232 | ||
11233 | } | |
11234 | ||
11235 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
11236 | struct net_device *netdev, u16 reason, | |
667503dd | 11237 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
11238 | { |
11239 | struct sk_buff *msg; | |
11240 | void *hdr; | |
11241 | ||
58050fce | 11242 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
11243 | if (!msg) |
11244 | return; | |
11245 | ||
11246 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
11247 | if (!hdr) { | |
11248 | nlmsg_free(msg); | |
11249 | return; | |
11250 | } | |
11251 | ||
9360ffd1 DM |
11252 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11253 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11254 | (from_ap && reason && | |
11255 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
11256 | (from_ap && | |
11257 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
11258 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
11259 | goto nla_put_failure; | |
b23aa676 | 11260 | |
3b7b72ee | 11261 | genlmsg_end(msg, hdr); |
b23aa676 | 11262 | |
68eb5503 | 11263 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11264 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
11265 | return; |
11266 | ||
11267 | nla_put_failure: | |
11268 | genlmsg_cancel(msg, hdr); | |
11269 | nlmsg_free(msg); | |
11270 | ||
11271 | } | |
11272 | ||
04a773ad JB |
11273 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
11274 | struct net_device *netdev, const u8 *bssid, | |
11275 | gfp_t gfp) | |
11276 | { | |
11277 | struct sk_buff *msg; | |
11278 | void *hdr; | |
11279 | ||
fd2120ca | 11280 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
11281 | if (!msg) |
11282 | return; | |
11283 | ||
11284 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
11285 | if (!hdr) { | |
11286 | nlmsg_free(msg); | |
11287 | return; | |
11288 | } | |
11289 | ||
9360ffd1 DM |
11290 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11291 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11292 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
11293 | goto nla_put_failure; | |
04a773ad | 11294 | |
3b7b72ee | 11295 | genlmsg_end(msg, hdr); |
04a773ad | 11296 | |
68eb5503 | 11297 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11298 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
11299 | return; |
11300 | ||
11301 | nla_put_failure: | |
11302 | genlmsg_cancel(msg, hdr); | |
11303 | nlmsg_free(msg); | |
11304 | } | |
11305 | ||
947add36 JB |
11306 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
11307 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 11308 | { |
947add36 | 11309 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 11310 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
11311 | struct sk_buff *msg; |
11312 | void *hdr; | |
11313 | ||
947add36 JB |
11314 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
11315 | return; | |
11316 | ||
11317 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
11318 | ||
c93b5e71 JC |
11319 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
11320 | if (!msg) | |
11321 | return; | |
11322 | ||
11323 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
11324 | if (!hdr) { | |
11325 | nlmsg_free(msg); | |
11326 | return; | |
11327 | } | |
11328 | ||
9360ffd1 | 11329 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
11330 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
11331 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
11332 | (ie_len && ie && |
11333 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
11334 | goto nla_put_failure; | |
c93b5e71 | 11335 | |
3b7b72ee | 11336 | genlmsg_end(msg, hdr); |
c93b5e71 | 11337 | |
68eb5503 | 11338 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11339 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
11340 | return; |
11341 | ||
11342 | nla_put_failure: | |
11343 | genlmsg_cancel(msg, hdr); | |
11344 | nlmsg_free(msg); | |
11345 | } | |
947add36 | 11346 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 11347 | |
a3b8b056 JM |
11348 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
11349 | struct net_device *netdev, const u8 *addr, | |
11350 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 11351 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
11352 | { |
11353 | struct sk_buff *msg; | |
11354 | void *hdr; | |
11355 | ||
e6d6e342 | 11356 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
11357 | if (!msg) |
11358 | return; | |
11359 | ||
11360 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
11361 | if (!hdr) { | |
11362 | nlmsg_free(msg); | |
11363 | return; | |
11364 | } | |
11365 | ||
9360ffd1 DM |
11366 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11367 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11368 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
11369 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
11370 | (key_id != -1 && | |
11371 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
11372 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
11373 | goto nla_put_failure; | |
a3b8b056 | 11374 | |
3b7b72ee | 11375 | genlmsg_end(msg, hdr); |
a3b8b056 | 11376 | |
68eb5503 | 11377 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11378 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
11379 | return; |
11380 | ||
11381 | nla_put_failure: | |
11382 | genlmsg_cancel(msg, hdr); | |
11383 | nlmsg_free(msg); | |
11384 | } | |
11385 | ||
6bad8766 LR |
11386 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
11387 | struct ieee80211_channel *channel_before, | |
11388 | struct ieee80211_channel *channel_after) | |
11389 | { | |
11390 | struct sk_buff *msg; | |
11391 | void *hdr; | |
11392 | struct nlattr *nl_freq; | |
11393 | ||
fd2120ca | 11394 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
11395 | if (!msg) |
11396 | return; | |
11397 | ||
11398 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
11399 | if (!hdr) { | |
11400 | nlmsg_free(msg); | |
11401 | return; | |
11402 | } | |
11403 | ||
11404 | /* | |
11405 | * Since we are applying the beacon hint to a wiphy we know its | |
11406 | * wiphy_idx is valid | |
11407 | */ | |
9360ffd1 DM |
11408 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
11409 | goto nla_put_failure; | |
6bad8766 LR |
11410 | |
11411 | /* Before */ | |
11412 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
11413 | if (!nl_freq) | |
11414 | goto nla_put_failure; | |
cdc89b97 | 11415 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
11416 | goto nla_put_failure; |
11417 | nla_nest_end(msg, nl_freq); | |
11418 | ||
11419 | /* After */ | |
11420 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
11421 | if (!nl_freq) | |
11422 | goto nla_put_failure; | |
cdc89b97 | 11423 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
11424 | goto nla_put_failure; |
11425 | nla_nest_end(msg, nl_freq); | |
11426 | ||
3b7b72ee | 11427 | genlmsg_end(msg, hdr); |
6bad8766 | 11428 | |
463d0183 | 11429 | rcu_read_lock(); |
68eb5503 | 11430 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 11431 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 11432 | rcu_read_unlock(); |
6bad8766 LR |
11433 | |
11434 | return; | |
11435 | ||
11436 | nla_put_failure: | |
11437 | genlmsg_cancel(msg, hdr); | |
11438 | nlmsg_free(msg); | |
11439 | } | |
11440 | ||
9588bbd5 JM |
11441 | static void nl80211_send_remain_on_chan_event( |
11442 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 11443 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 11444 | struct ieee80211_channel *chan, |
9588bbd5 JM |
11445 | unsigned int duration, gfp_t gfp) |
11446 | { | |
11447 | struct sk_buff *msg; | |
11448 | void *hdr; | |
11449 | ||
11450 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11451 | if (!msg) | |
11452 | return; | |
11453 | ||
11454 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
11455 | if (!hdr) { | |
11456 | nlmsg_free(msg); | |
11457 | return; | |
11458 | } | |
11459 | ||
9360ffd1 | 11460 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
11461 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11462 | wdev->netdev->ifindex)) || | |
00f53350 | 11463 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 11464 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
11465 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
11466 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
11467 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
11468 | goto nla_put_failure; | |
9588bbd5 | 11469 | |
9360ffd1 DM |
11470 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
11471 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
11472 | goto nla_put_failure; | |
9588bbd5 | 11473 | |
3b7b72ee | 11474 | genlmsg_end(msg, hdr); |
9588bbd5 | 11475 | |
68eb5503 | 11476 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11477 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
11478 | return; |
11479 | ||
11480 | nla_put_failure: | |
11481 | genlmsg_cancel(msg, hdr); | |
11482 | nlmsg_free(msg); | |
11483 | } | |
11484 | ||
947add36 JB |
11485 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
11486 | struct ieee80211_channel *chan, | |
11487 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 11488 | { |
947add36 | 11489 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 11490 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
11491 | |
11492 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 11493 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 11494 | rdev, wdev, cookie, chan, |
42d97a59 | 11495 | duration, gfp); |
9588bbd5 | 11496 | } |
947add36 | 11497 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 11498 | |
947add36 JB |
11499 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
11500 | struct ieee80211_channel *chan, | |
11501 | gfp_t gfp) | |
9588bbd5 | 11502 | { |
947add36 | 11503 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 11504 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
11505 | |
11506 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 11507 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 11508 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 11509 | } |
947add36 | 11510 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 11511 | |
947add36 JB |
11512 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
11513 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 11514 | { |
947add36 | 11515 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 11516 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
11517 | struct sk_buff *msg; |
11518 | ||
947add36 JB |
11519 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
11520 | ||
58050fce | 11521 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
11522 | if (!msg) |
11523 | return; | |
11524 | ||
66266b3a JL |
11525 | if (nl80211_send_station(msg, 0, 0, 0, |
11526 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
11527 | nlmsg_free(msg); |
11528 | return; | |
11529 | } | |
11530 | ||
68eb5503 | 11531 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11532 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 11533 | } |
947add36 | 11534 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 11535 | |
947add36 | 11536 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 11537 | { |
947add36 | 11538 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 11539 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b JM |
11540 | struct sk_buff *msg; |
11541 | void *hdr; | |
11542 | ||
947add36 JB |
11543 | trace_cfg80211_del_sta(dev, mac_addr); |
11544 | ||
58050fce | 11545 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
11546 | if (!msg) |
11547 | return; | |
11548 | ||
11549 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
11550 | if (!hdr) { | |
11551 | nlmsg_free(msg); | |
11552 | return; | |
11553 | } | |
11554 | ||
9360ffd1 DM |
11555 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
11556 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
11557 | goto nla_put_failure; | |
ec15e68b | 11558 | |
3b7b72ee | 11559 | genlmsg_end(msg, hdr); |
ec15e68b | 11560 | |
68eb5503 | 11561 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11562 | NL80211_MCGRP_MLME, gfp); |
ec15e68b JM |
11563 | return; |
11564 | ||
11565 | nla_put_failure: | |
11566 | genlmsg_cancel(msg, hdr); | |
11567 | nlmsg_free(msg); | |
11568 | } | |
947add36 | 11569 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 11570 | |
947add36 JB |
11571 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
11572 | enum nl80211_connect_failed_reason reason, | |
11573 | gfp_t gfp) | |
ed44a951 | 11574 | { |
947add36 | 11575 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 11576 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
11577 | struct sk_buff *msg; |
11578 | void *hdr; | |
11579 | ||
11580 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
11581 | if (!msg) | |
11582 | return; | |
11583 | ||
11584 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
11585 | if (!hdr) { | |
11586 | nlmsg_free(msg); | |
11587 | return; | |
11588 | } | |
11589 | ||
11590 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11591 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
11592 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
11593 | goto nla_put_failure; | |
11594 | ||
11595 | genlmsg_end(msg, hdr); | |
11596 | ||
68eb5503 | 11597 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11598 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
11599 | return; |
11600 | ||
11601 | nla_put_failure: | |
11602 | genlmsg_cancel(msg, hdr); | |
11603 | nlmsg_free(msg); | |
11604 | } | |
947add36 | 11605 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 11606 | |
b92ab5d8 JB |
11607 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
11608 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
11609 | { |
11610 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 11611 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
11612 | struct sk_buff *msg; |
11613 | void *hdr; | |
15e47304 | 11614 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 11615 | |
15e47304 | 11616 | if (!nlportid) |
28946da7 JB |
11617 | return false; |
11618 | ||
11619 | msg = nlmsg_new(100, gfp); | |
11620 | if (!msg) | |
11621 | return true; | |
11622 | ||
b92ab5d8 | 11623 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
11624 | if (!hdr) { |
11625 | nlmsg_free(msg); | |
11626 | return true; | |
11627 | } | |
11628 | ||
9360ffd1 DM |
11629 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11630 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11631 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
11632 | goto nla_put_failure; | |
28946da7 | 11633 | |
9c90a9f6 | 11634 | genlmsg_end(msg, hdr); |
15e47304 | 11635 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
11636 | return true; |
11637 | ||
11638 | nla_put_failure: | |
11639 | genlmsg_cancel(msg, hdr); | |
11640 | nlmsg_free(msg); | |
11641 | return true; | |
11642 | } | |
11643 | ||
947add36 JB |
11644 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
11645 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 11646 | { |
947add36 JB |
11647 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11648 | bool ret; | |
11649 | ||
11650 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
11651 | ||
11652 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
11653 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
11654 | trace_cfg80211_return_bool(false); | |
11655 | return false; | |
11656 | } | |
11657 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
11658 | addr, gfp); | |
11659 | trace_cfg80211_return_bool(ret); | |
11660 | return ret; | |
b92ab5d8 | 11661 | } |
947add36 | 11662 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 11663 | |
947add36 JB |
11664 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
11665 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 11666 | { |
947add36 JB |
11667 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11668 | bool ret; | |
11669 | ||
11670 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
11671 | ||
11672 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
11673 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
11674 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
11675 | trace_cfg80211_return_bool(false); | |
11676 | return false; | |
11677 | } | |
11678 | ret = __nl80211_unexpected_frame(dev, | |
11679 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
11680 | addr, gfp); | |
11681 | trace_cfg80211_return_bool(ret); | |
11682 | return ret; | |
b92ab5d8 | 11683 | } |
947add36 | 11684 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 11685 | |
2e161f78 | 11686 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 11687 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 11688 | int freq, int sig_dbm, |
19504cf5 | 11689 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 11690 | { |
71bbc994 | 11691 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
11692 | struct sk_buff *msg; |
11693 | void *hdr; | |
026331c4 JM |
11694 | |
11695 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11696 | if (!msg) | |
11697 | return -ENOMEM; | |
11698 | ||
2e161f78 | 11699 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
11700 | if (!hdr) { |
11701 | nlmsg_free(msg); | |
11702 | return -ENOMEM; | |
11703 | } | |
11704 | ||
9360ffd1 | 11705 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
11706 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11707 | netdev->ifindex)) || | |
a838490b | 11708 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
11709 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
11710 | (sig_dbm && | |
11711 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
11712 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
11713 | (flags && | |
11714 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 11715 | goto nla_put_failure; |
026331c4 | 11716 | |
3b7b72ee | 11717 | genlmsg_end(msg, hdr); |
026331c4 | 11718 | |
15e47304 | 11719 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
11720 | |
11721 | nla_put_failure: | |
11722 | genlmsg_cancel(msg, hdr); | |
11723 | nlmsg_free(msg); | |
11724 | return -ENOBUFS; | |
11725 | } | |
11726 | ||
947add36 JB |
11727 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
11728 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 11729 | { |
947add36 | 11730 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 11731 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 11732 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
11733 | struct sk_buff *msg; |
11734 | void *hdr; | |
11735 | ||
947add36 JB |
11736 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
11737 | ||
026331c4 JM |
11738 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
11739 | if (!msg) | |
11740 | return; | |
11741 | ||
2e161f78 | 11742 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
11743 | if (!hdr) { |
11744 | nlmsg_free(msg); | |
11745 | return; | |
11746 | } | |
11747 | ||
9360ffd1 | 11748 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
11749 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11750 | netdev->ifindex)) || | |
a838490b | 11751 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
11752 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
11753 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
11754 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
11755 | goto nla_put_failure; | |
026331c4 | 11756 | |
3b7b72ee | 11757 | genlmsg_end(msg, hdr); |
026331c4 | 11758 | |
68eb5503 | 11759 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11760 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
11761 | return; |
11762 | ||
11763 | nla_put_failure: | |
11764 | genlmsg_cancel(msg, hdr); | |
11765 | nlmsg_free(msg); | |
11766 | } | |
947add36 | 11767 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 11768 | |
5b97f49d JB |
11769 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
11770 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 11771 | { |
947add36 | 11772 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
11773 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
11774 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11775 | void **cb; | |
947add36 | 11776 | |
d6dc1a38 | 11777 | if (!msg) |
5b97f49d | 11778 | return NULL; |
d6dc1a38 | 11779 | |
5b97f49d JB |
11780 | cb = (void **)msg->cb; |
11781 | ||
11782 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11783 | if (!cb[0]) { | |
d6dc1a38 | 11784 | nlmsg_free(msg); |
5b97f49d | 11785 | return NULL; |
d6dc1a38 JO |
11786 | } |
11787 | ||
9360ffd1 | 11788 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 11789 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 11790 | goto nla_put_failure; |
d6dc1a38 | 11791 | |
5b97f49d | 11792 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
11793 | goto nla_put_failure; |
11794 | ||
5b97f49d JB |
11795 | cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM); |
11796 | if (!cb[1]) | |
9360ffd1 | 11797 | goto nla_put_failure; |
d6dc1a38 | 11798 | |
5b97f49d | 11799 | cb[2] = rdev; |
d6dc1a38 | 11800 | |
5b97f49d JB |
11801 | return msg; |
11802 | nla_put_failure: | |
11803 | nlmsg_free(msg); | |
11804 | return NULL; | |
11805 | } | |
11806 | ||
11807 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
11808 | { | |
11809 | void **cb = (void **)msg->cb; | |
11810 | struct cfg80211_registered_device *rdev = cb[2]; | |
11811 | ||
11812 | nla_nest_end(msg, cb[1]); | |
11813 | genlmsg_end(msg, cb[0]); | |
11814 | ||
11815 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 11816 | |
68eb5503 | 11817 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11818 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
11819 | } |
11820 | ||
11821 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
11822 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
11823 | gfp_t gfp) | |
11824 | { | |
11825 | struct sk_buff *msg; | |
11826 | ||
11827 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); | |
11828 | ||
11829 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
11830 | if (!msg) | |
11831 | return; | |
11832 | ||
11833 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
11834 | rssi_event)) | |
11835 | goto nla_put_failure; | |
11836 | ||
11837 | cfg80211_send_cqm(msg, gfp); | |
11838 | ||
d6dc1a38 JO |
11839 | return; |
11840 | ||
11841 | nla_put_failure: | |
d6dc1a38 JO |
11842 | nlmsg_free(msg); |
11843 | } | |
947add36 | 11844 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 11845 | |
5b97f49d JB |
11846 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
11847 | const u8 *peer, u32 num_packets, | |
11848 | u32 rate, u32 intvl, gfp_t gfp) | |
11849 | { | |
11850 | struct sk_buff *msg; | |
11851 | ||
11852 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
11853 | if (!msg) | |
11854 | return; | |
11855 | ||
11856 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
11857 | goto nla_put_failure; | |
11858 | ||
11859 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
11860 | goto nla_put_failure; | |
11861 | ||
11862 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
11863 | goto nla_put_failure; | |
11864 | ||
11865 | cfg80211_send_cqm(msg, gfp); | |
11866 | return; | |
11867 | ||
11868 | nla_put_failure: | |
11869 | nlmsg_free(msg); | |
11870 | } | |
11871 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
11872 | ||
11873 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
11874 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
11875 | { | |
11876 | struct sk_buff *msg; | |
11877 | ||
11878 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
11879 | ||
11880 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
11881 | if (!msg) | |
11882 | return; | |
11883 | ||
11884 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
11885 | goto nla_put_failure; | |
11886 | ||
11887 | cfg80211_send_cqm(msg, gfp); | |
11888 | return; | |
11889 | ||
11890 | nla_put_failure: | |
11891 | nlmsg_free(msg); | |
11892 | } | |
11893 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
11894 | ||
947add36 JB |
11895 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
11896 | struct net_device *netdev, const u8 *bssid, | |
11897 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
11898 | { |
11899 | struct sk_buff *msg; | |
11900 | struct nlattr *rekey_attr; | |
11901 | void *hdr; | |
11902 | ||
58050fce | 11903 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
11904 | if (!msg) |
11905 | return; | |
11906 | ||
11907 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
11908 | if (!hdr) { | |
11909 | nlmsg_free(msg); | |
11910 | return; | |
11911 | } | |
11912 | ||
9360ffd1 DM |
11913 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11914 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11915 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
11916 | goto nla_put_failure; | |
e5497d76 JB |
11917 | |
11918 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
11919 | if (!rekey_attr) | |
11920 | goto nla_put_failure; | |
11921 | ||
9360ffd1 DM |
11922 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
11923 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
11924 | goto nla_put_failure; | |
e5497d76 JB |
11925 | |
11926 | nla_nest_end(msg, rekey_attr); | |
11927 | ||
3b7b72ee | 11928 | genlmsg_end(msg, hdr); |
e5497d76 | 11929 | |
68eb5503 | 11930 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11931 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
11932 | return; |
11933 | ||
11934 | nla_put_failure: | |
11935 | genlmsg_cancel(msg, hdr); | |
11936 | nlmsg_free(msg); | |
11937 | } | |
11938 | ||
947add36 JB |
11939 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
11940 | const u8 *replay_ctr, gfp_t gfp) | |
11941 | { | |
11942 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11943 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11944 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
11945 | |
11946 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
11947 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
11948 | } | |
11949 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
11950 | ||
11951 | static void | |
11952 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
11953 | struct net_device *netdev, int index, | |
11954 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
11955 | { |
11956 | struct sk_buff *msg; | |
11957 | struct nlattr *attr; | |
11958 | void *hdr; | |
11959 | ||
58050fce | 11960 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
11961 | if (!msg) |
11962 | return; | |
11963 | ||
11964 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
11965 | if (!hdr) { | |
11966 | nlmsg_free(msg); | |
11967 | return; | |
11968 | } | |
11969 | ||
9360ffd1 DM |
11970 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11971 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
11972 | goto nla_put_failure; | |
c9df56b4 JM |
11973 | |
11974 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
11975 | if (!attr) | |
11976 | goto nla_put_failure; | |
11977 | ||
9360ffd1 DM |
11978 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
11979 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
11980 | (preauth && | |
11981 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
11982 | goto nla_put_failure; | |
c9df56b4 JM |
11983 | |
11984 | nla_nest_end(msg, attr); | |
11985 | ||
3b7b72ee | 11986 | genlmsg_end(msg, hdr); |
c9df56b4 | 11987 | |
68eb5503 | 11988 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11989 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
11990 | return; |
11991 | ||
11992 | nla_put_failure: | |
11993 | genlmsg_cancel(msg, hdr); | |
11994 | nlmsg_free(msg); | |
11995 | } | |
11996 | ||
947add36 JB |
11997 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
11998 | const u8 *bssid, bool preauth, gfp_t gfp) | |
11999 | { | |
12000 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12001 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12002 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
12003 | |
12004 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
12005 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
12006 | } | |
12007 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
12008 | ||
12009 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
12010 | struct net_device *netdev, | |
12011 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
12012 | gfp_t gfp, |
12013 | enum nl80211_commands notif, | |
12014 | u8 count) | |
5314526b TP |
12015 | { |
12016 | struct sk_buff *msg; | |
12017 | void *hdr; | |
12018 | ||
58050fce | 12019 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
12020 | if (!msg) |
12021 | return; | |
12022 | ||
f8d7552e | 12023 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
12024 | if (!hdr) { |
12025 | nlmsg_free(msg); | |
12026 | return; | |
12027 | } | |
12028 | ||
683b6d3b JB |
12029 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
12030 | goto nla_put_failure; | |
12031 | ||
12032 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 12033 | goto nla_put_failure; |
5314526b | 12034 | |
f8d7552e LC |
12035 | if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && |
12036 | (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) | |
12037 | goto nla_put_failure; | |
12038 | ||
5314526b TP |
12039 | genlmsg_end(msg, hdr); |
12040 | ||
68eb5503 | 12041 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12042 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
12043 | return; |
12044 | ||
12045 | nla_put_failure: | |
12046 | genlmsg_cancel(msg, hdr); | |
12047 | nlmsg_free(msg); | |
12048 | } | |
12049 | ||
947add36 JB |
12050 | void cfg80211_ch_switch_notify(struct net_device *dev, |
12051 | struct cfg80211_chan_def *chandef) | |
84f10708 | 12052 | { |
947add36 JB |
12053 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
12054 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12055 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 12056 | |
e487eaeb | 12057 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 12058 | |
e487eaeb | 12059 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 12060 | |
9e0e2961 | 12061 | wdev->chandef = *chandef; |
96f55f12 | 12062 | wdev->preset_chandef = *chandef; |
f8d7552e LC |
12063 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
12064 | NL80211_CMD_CH_SWITCH_NOTIFY, 0); | |
947add36 JB |
12065 | } |
12066 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
12067 | ||
f8d7552e LC |
12068 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
12069 | struct cfg80211_chan_def *chandef, | |
12070 | u8 count) | |
12071 | { | |
12072 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12073 | struct wiphy *wiphy = wdev->wiphy; | |
12074 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
12075 | ||
12076 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
12077 | ||
12078 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
12079 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); | |
12080 | } | |
12081 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
12082 | ||
04f39047 SW |
12083 | void |
12084 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 12085 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
12086 | enum nl80211_radar_event event, |
12087 | struct net_device *netdev, gfp_t gfp) | |
12088 | { | |
12089 | struct sk_buff *msg; | |
12090 | void *hdr; | |
12091 | ||
12092 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12093 | if (!msg) | |
12094 | return; | |
12095 | ||
12096 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
12097 | if (!hdr) { | |
12098 | nlmsg_free(msg); | |
12099 | return; | |
12100 | } | |
12101 | ||
12102 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
12103 | goto nla_put_failure; | |
12104 | ||
12105 | /* NOP and radar events don't need a netdev parameter */ | |
12106 | if (netdev) { | |
12107 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
12108 | ||
12109 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12110 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12111 | goto nla_put_failure; | |
12112 | } | |
12113 | ||
12114 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
12115 | goto nla_put_failure; | |
12116 | ||
12117 | if (nl80211_send_chandef(msg, chandef)) | |
12118 | goto nla_put_failure; | |
12119 | ||
9c90a9f6 | 12120 | genlmsg_end(msg, hdr); |
04f39047 | 12121 | |
68eb5503 | 12122 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12123 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
12124 | return; |
12125 | ||
12126 | nla_put_failure: | |
12127 | genlmsg_cancel(msg, hdr); | |
12128 | nlmsg_free(msg); | |
12129 | } | |
12130 | ||
7f6cf311 JB |
12131 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
12132 | u64 cookie, bool acked, gfp_t gfp) | |
12133 | { | |
12134 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 12135 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
12136 | struct sk_buff *msg; |
12137 | void *hdr; | |
7f6cf311 | 12138 | |
4ee3e063 BL |
12139 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
12140 | ||
58050fce | 12141 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 12142 | |
7f6cf311 JB |
12143 | if (!msg) |
12144 | return; | |
12145 | ||
12146 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
12147 | if (!hdr) { | |
12148 | nlmsg_free(msg); | |
12149 | return; | |
12150 | } | |
12151 | ||
9360ffd1 DM |
12152 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12153 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
12154 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
12155 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
12156 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
12157 | goto nla_put_failure; | |
7f6cf311 | 12158 | |
9c90a9f6 | 12159 | genlmsg_end(msg, hdr); |
7f6cf311 | 12160 | |
68eb5503 | 12161 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12162 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
12163 | return; |
12164 | ||
12165 | nla_put_failure: | |
12166 | genlmsg_cancel(msg, hdr); | |
12167 | nlmsg_free(msg); | |
12168 | } | |
12169 | EXPORT_SYMBOL(cfg80211_probe_status); | |
12170 | ||
5e760230 JB |
12171 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
12172 | const u8 *frame, size_t len, | |
37c73b5f | 12173 | int freq, int sig_dbm) |
5e760230 | 12174 | { |
f26cbf40 | 12175 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
12176 | struct sk_buff *msg; |
12177 | void *hdr; | |
37c73b5f | 12178 | struct cfg80211_beacon_registration *reg; |
5e760230 | 12179 | |
4ee3e063 BL |
12180 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
12181 | ||
37c73b5f BG |
12182 | spin_lock_bh(&rdev->beacon_registrations_lock); |
12183 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
12184 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
12185 | if (!msg) { | |
12186 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
12187 | return; | |
12188 | } | |
5e760230 | 12189 | |
37c73b5f BG |
12190 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
12191 | if (!hdr) | |
12192 | goto nla_put_failure; | |
5e760230 | 12193 | |
37c73b5f BG |
12194 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12195 | (freq && | |
12196 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
12197 | (sig_dbm && | |
12198 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
12199 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
12200 | goto nla_put_failure; | |
5e760230 | 12201 | |
37c73b5f | 12202 | genlmsg_end(msg, hdr); |
5e760230 | 12203 | |
37c73b5f BG |
12204 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
12205 | } | |
12206 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
12207 | return; |
12208 | ||
12209 | nla_put_failure: | |
37c73b5f BG |
12210 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
12211 | if (hdr) | |
12212 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
12213 | nlmsg_free(msg); |
12214 | } | |
12215 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
12216 | ||
cd8f7cb4 | 12217 | #ifdef CONFIG_PM |
8cd4d456 LC |
12218 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
12219 | struct cfg80211_wowlan_wakeup *wakeup) | |
12220 | { | |
12221 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
12222 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
12223 | int i, j; | |
12224 | ||
12225 | nl_results = nla_nest_start( | |
12226 | msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
12227 | if (!nl_results) | |
12228 | return -EMSGSIZE; | |
12229 | ||
12230 | for (i = 0; i < nd->n_matches; i++) { | |
12231 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
12232 | ||
12233 | nl_match = nla_nest_start(msg, i); | |
12234 | if (!nl_match) | |
12235 | break; | |
12236 | ||
12237 | /* The SSID attribute is optional in nl80211, but for | |
12238 | * simplicity reasons it's always present in the | |
12239 | * cfg80211 structure. If a driver can't pass the | |
12240 | * SSID, that needs to be changed. A zero length SSID | |
12241 | * is still a valid SSID (wildcard), so it cannot be | |
12242 | * used for this purpose. | |
12243 | */ | |
12244 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
12245 | match->ssid.ssid)) { | |
12246 | nla_nest_cancel(msg, nl_match); | |
12247 | goto out; | |
12248 | } | |
12249 | ||
12250 | if (match->n_channels) { | |
12251 | nl_freqs = nla_nest_start( | |
12252 | msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
12253 | if (!nl_freqs) { | |
12254 | nla_nest_cancel(msg, nl_match); | |
12255 | goto out; | |
12256 | } | |
12257 | ||
12258 | for (j = 0; j < match->n_channels; j++) { | |
12259 | if (nla_put_u32(msg, | |
12260 | NL80211_ATTR_WIPHY_FREQ, | |
12261 | match->channels[j])) { | |
12262 | nla_nest_cancel(msg, nl_freqs); | |
12263 | nla_nest_cancel(msg, nl_match); | |
12264 | goto out; | |
12265 | } | |
12266 | } | |
12267 | ||
12268 | nla_nest_end(msg, nl_freqs); | |
12269 | } | |
12270 | ||
12271 | nla_nest_end(msg, nl_match); | |
12272 | } | |
12273 | ||
12274 | out: | |
12275 | nla_nest_end(msg, nl_results); | |
12276 | return 0; | |
12277 | } | |
12278 | ||
cd8f7cb4 JB |
12279 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
12280 | struct cfg80211_wowlan_wakeup *wakeup, | |
12281 | gfp_t gfp) | |
12282 | { | |
f26cbf40 | 12283 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
12284 | struct sk_buff *msg; |
12285 | void *hdr; | |
9c90a9f6 | 12286 | int size = 200; |
cd8f7cb4 JB |
12287 | |
12288 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
12289 | ||
12290 | if (wakeup) | |
12291 | size += wakeup->packet_present_len; | |
12292 | ||
12293 | msg = nlmsg_new(size, gfp); | |
12294 | if (!msg) | |
12295 | return; | |
12296 | ||
12297 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
12298 | if (!hdr) | |
12299 | goto free_msg; | |
12300 | ||
12301 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12302 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12303 | goto free_msg; | |
12304 | ||
12305 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
12306 | wdev->netdev->ifindex)) | |
12307 | goto free_msg; | |
12308 | ||
12309 | if (wakeup) { | |
12310 | struct nlattr *reasons; | |
12311 | ||
12312 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
12313 | if (!reasons) |
12314 | goto free_msg; | |
cd8f7cb4 JB |
12315 | |
12316 | if (wakeup->disconnect && | |
12317 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
12318 | goto free_msg; | |
12319 | if (wakeup->magic_pkt && | |
12320 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
12321 | goto free_msg; | |
12322 | if (wakeup->gtk_rekey_failure && | |
12323 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
12324 | goto free_msg; | |
12325 | if (wakeup->eap_identity_req && | |
12326 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
12327 | goto free_msg; | |
12328 | if (wakeup->four_way_handshake && | |
12329 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
12330 | goto free_msg; | |
12331 | if (wakeup->rfkill_release && | |
12332 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
12333 | goto free_msg; | |
12334 | ||
12335 | if (wakeup->pattern_idx >= 0 && | |
12336 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
12337 | wakeup->pattern_idx)) | |
12338 | goto free_msg; | |
12339 | ||
ae917c9f JB |
12340 | if (wakeup->tcp_match && |
12341 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
12342 | goto free_msg; | |
2a0e047e | 12343 | |
ae917c9f JB |
12344 | if (wakeup->tcp_connlost && |
12345 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
12346 | goto free_msg; | |
2a0e047e | 12347 | |
ae917c9f JB |
12348 | if (wakeup->tcp_nomoretokens && |
12349 | nla_put_flag(msg, | |
12350 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
12351 | goto free_msg; | |
2a0e047e | 12352 | |
cd8f7cb4 JB |
12353 | if (wakeup->packet) { |
12354 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
12355 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
12356 | ||
12357 | if (!wakeup->packet_80211) { | |
12358 | pkt_attr = | |
12359 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
12360 | len_attr = | |
12361 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
12362 | } | |
12363 | ||
12364 | if (wakeup->packet_len && | |
12365 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
12366 | goto free_msg; | |
12367 | ||
12368 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
12369 | wakeup->packet)) | |
12370 | goto free_msg; | |
12371 | } | |
12372 | ||
8cd4d456 LC |
12373 | if (wakeup->net_detect && |
12374 | cfg80211_net_detect_results(msg, wakeup)) | |
12375 | goto free_msg; | |
12376 | ||
cd8f7cb4 JB |
12377 | nla_nest_end(msg, reasons); |
12378 | } | |
12379 | ||
9c90a9f6 | 12380 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 12381 | |
68eb5503 | 12382 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12383 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
12384 | return; |
12385 | ||
12386 | free_msg: | |
12387 | nlmsg_free(msg); | |
12388 | } | |
12389 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
12390 | #endif | |
12391 | ||
3475b094 JM |
12392 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
12393 | enum nl80211_tdls_operation oper, | |
12394 | u16 reason_code, gfp_t gfp) | |
12395 | { | |
12396 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 12397 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
12398 | struct sk_buff *msg; |
12399 | void *hdr; | |
3475b094 JM |
12400 | |
12401 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
12402 | reason_code); | |
12403 | ||
12404 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12405 | if (!msg) | |
12406 | return; | |
12407 | ||
12408 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
12409 | if (!hdr) { | |
12410 | nlmsg_free(msg); | |
12411 | return; | |
12412 | } | |
12413 | ||
12414 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12415 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
12416 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
12417 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
12418 | (reason_code > 0 && | |
12419 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
12420 | goto nla_put_failure; | |
12421 | ||
9c90a9f6 | 12422 | genlmsg_end(msg, hdr); |
3475b094 | 12423 | |
68eb5503 | 12424 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12425 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
12426 | return; |
12427 | ||
12428 | nla_put_failure: | |
12429 | genlmsg_cancel(msg, hdr); | |
12430 | nlmsg_free(msg); | |
12431 | } | |
12432 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
12433 | ||
026331c4 JM |
12434 | static int nl80211_netlink_notify(struct notifier_block * nb, |
12435 | unsigned long state, | |
12436 | void *_notify) | |
12437 | { | |
12438 | struct netlink_notify *notify = _notify; | |
12439 | struct cfg80211_registered_device *rdev; | |
12440 | struct wireless_dev *wdev; | |
37c73b5f | 12441 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
12442 | |
12443 | if (state != NETLINK_URELEASE) | |
12444 | return NOTIFY_DONE; | |
12445 | ||
12446 | rcu_read_lock(); | |
12447 | ||
5e760230 | 12448 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
78f22b6a JB |
12449 | bool schedule_destroy_work = false; |
12450 | ||
12451 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) { | |
15e47304 | 12452 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 12453 | |
78f22b6a JB |
12454 | if (wdev->owner_nlportid == notify->portid) |
12455 | schedule_destroy_work = true; | |
12456 | } | |
12457 | ||
37c73b5f BG |
12458 | spin_lock_bh(&rdev->beacon_registrations_lock); |
12459 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
12460 | list) { | |
12461 | if (reg->nlportid == notify->portid) { | |
12462 | list_del(®->list); | |
12463 | kfree(reg); | |
12464 | break; | |
12465 | } | |
12466 | } | |
12467 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
78f22b6a JB |
12468 | |
12469 | if (schedule_destroy_work) { | |
12470 | struct cfg80211_iface_destroy *destroy; | |
12471 | ||
12472 | destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC); | |
12473 | if (destroy) { | |
12474 | destroy->nlportid = notify->portid; | |
12475 | spin_lock(&rdev->destroy_list_lock); | |
12476 | list_add(&destroy->list, &rdev->destroy_list); | |
12477 | spin_unlock(&rdev->destroy_list_lock); | |
12478 | schedule_work(&rdev->destroy_work); | |
12479 | } | |
12480 | } | |
5e760230 | 12481 | } |
026331c4 JM |
12482 | |
12483 | rcu_read_unlock(); | |
12484 | ||
6784c7db | 12485 | return NOTIFY_OK; |
026331c4 JM |
12486 | } |
12487 | ||
12488 | static struct notifier_block nl80211_netlink_notifier = { | |
12489 | .notifier_call = nl80211_netlink_notify, | |
12490 | }; | |
12491 | ||
355199e0 JM |
12492 | void cfg80211_ft_event(struct net_device *netdev, |
12493 | struct cfg80211_ft_event_params *ft_event) | |
12494 | { | |
12495 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 12496 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
12497 | struct sk_buff *msg; |
12498 | void *hdr; | |
355199e0 JM |
12499 | |
12500 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
12501 | ||
12502 | if (!ft_event->target_ap) | |
12503 | return; | |
12504 | ||
12505 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12506 | if (!msg) | |
12507 | return; | |
12508 | ||
12509 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
12510 | if (!hdr) |
12511 | goto out; | |
355199e0 | 12512 | |
ae917c9f JB |
12513 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12514 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12515 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
12516 | goto out; | |
355199e0 | 12517 | |
ae917c9f JB |
12518 | if (ft_event->ies && |
12519 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
12520 | goto out; | |
12521 | if (ft_event->ric_ies && | |
12522 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
12523 | ft_event->ric_ies)) | |
12524 | goto out; | |
355199e0 | 12525 | |
9c90a9f6 | 12526 | genlmsg_end(msg, hdr); |
355199e0 | 12527 | |
68eb5503 | 12528 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12529 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
12530 | return; |
12531 | out: | |
12532 | nlmsg_free(msg); | |
355199e0 JM |
12533 | } |
12534 | EXPORT_SYMBOL(cfg80211_ft_event); | |
12535 | ||
5de17984 AS |
12536 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
12537 | { | |
12538 | struct cfg80211_registered_device *rdev; | |
12539 | struct sk_buff *msg; | |
12540 | void *hdr; | |
12541 | u32 nlportid; | |
12542 | ||
f26cbf40 | 12543 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
12544 | if (!rdev->crit_proto_nlportid) |
12545 | return; | |
12546 | ||
12547 | nlportid = rdev->crit_proto_nlportid; | |
12548 | rdev->crit_proto_nlportid = 0; | |
12549 | ||
12550 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12551 | if (!msg) | |
12552 | return; | |
12553 | ||
12554 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
12555 | if (!hdr) | |
12556 | goto nla_put_failure; | |
12557 | ||
12558 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12559 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12560 | goto nla_put_failure; | |
12561 | ||
12562 | genlmsg_end(msg, hdr); | |
12563 | ||
12564 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
12565 | return; | |
12566 | ||
12567 | nla_put_failure: | |
12568 | if (hdr) | |
12569 | genlmsg_cancel(msg, hdr); | |
12570 | nlmsg_free(msg); | |
12571 | ||
12572 | } | |
12573 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
12574 | ||
348baf0e JB |
12575 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
12576 | { | |
12577 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12578 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
12579 | struct sk_buff *msg; |
12580 | void *hdr; | |
12581 | ||
12582 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12583 | if (!msg) | |
12584 | return; | |
12585 | ||
12586 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
12587 | if (!hdr) | |
12588 | goto out; | |
12589 | ||
12590 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12591 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
12592 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12593 | goto out; | |
12594 | ||
12595 | genlmsg_end(msg, hdr); | |
12596 | ||
12597 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
12598 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
12599 | return; | |
12600 | out: | |
12601 | nlmsg_free(msg); | |
12602 | } | |
12603 | ||
55682965 JB |
12604 | /* initialisation/exit functions */ |
12605 | ||
12606 | int nl80211_init(void) | |
12607 | { | |
0d63cbb5 | 12608 | int err; |
55682965 | 12609 | |
2a94fe48 JB |
12610 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
12611 | nl80211_mcgrps); | |
55682965 JB |
12612 | if (err) |
12613 | return err; | |
12614 | ||
026331c4 JM |
12615 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
12616 | if (err) | |
12617 | goto err_out; | |
12618 | ||
55682965 JB |
12619 | return 0; |
12620 | err_out: | |
12621 | genl_unregister_family(&nl80211_fam); | |
12622 | return err; | |
12623 | } | |
12624 | ||
12625 | void nl80211_exit(void) | |
12626 | { | |
026331c4 | 12627 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
12628 | genl_unregister_family(&nl80211_fam); |
12629 | } |