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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 | { |
601555cd JB |
2320 | if (WARN_ON(!cfg80211_chandef_valid(chandef))) |
2321 | return -EINVAL; | |
3d9d1d66 | 2322 | |
683b6d3b JB |
2323 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2324 | chandef->chan->center_freq)) | |
2325 | return -ENOBUFS; | |
3d9d1d66 JB |
2326 | switch (chandef->width) { |
2327 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2328 | case NL80211_CHAN_WIDTH_20: | |
2329 | case NL80211_CHAN_WIDTH_40: | |
2330 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2331 | cfg80211_get_chandef_type(chandef))) | |
2332 | return -ENOBUFS; | |
2333 | break; | |
2334 | default: | |
2335 | break; | |
2336 | } | |
2337 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2338 | return -ENOBUFS; | |
2339 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2340 | return -ENOBUFS; | |
2341 | if (chandef->center_freq2 && | |
2342 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2343 | return -ENOBUFS; |
2344 | return 0; | |
2345 | } | |
2346 | ||
15e47304 | 2347 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2348 | struct cfg80211_registered_device *rdev, |
8f894be2 | 2349 | struct wireless_dev *wdev, bool removal) |
55682965 | 2350 | { |
72fb2abc | 2351 | struct net_device *dev = wdev->netdev; |
8f894be2 | 2352 | u8 cmd = NL80211_CMD_NEW_INTERFACE; |
55682965 JB |
2353 | void *hdr; |
2354 | ||
8f894be2 TB |
2355 | if (removal) |
2356 | cmd = NL80211_CMD_DEL_INTERFACE; | |
2357 | ||
2358 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); | |
55682965 JB |
2359 | if (!hdr) |
2360 | return -1; | |
2361 | ||
72fb2abc JB |
2362 | if (dev && |
2363 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2364 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2365 | goto nla_put_failure; |
2366 | ||
2367 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2368 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
71bbc994 | 2369 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
98104fde | 2370 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2371 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2372 | rdev->devlist_generation ^ | |
2373 | (cfg80211_rdev_list_generation << 2))) | |
2374 | goto nla_put_failure; | |
f5ea9120 | 2375 | |
5b7ccaf3 | 2376 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2377 | int ret; |
2378 | struct cfg80211_chan_def chandef; | |
2379 | ||
2380 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2381 | if (ret == 0) { | |
2382 | if (nl80211_send_chandef(msg, &chandef)) | |
2383 | goto nla_put_failure; | |
2384 | } | |
d91df0e3 PF |
2385 | } |
2386 | ||
b84e7a05 AQ |
2387 | if (wdev->ssid_len) { |
2388 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2389 | goto nla_put_failure; | |
2390 | } | |
2391 | ||
55682965 JB |
2392 | return genlmsg_end(msg, hdr); |
2393 | ||
2394 | nla_put_failure: | |
bc3ed28c TG |
2395 | genlmsg_cancel(msg, hdr); |
2396 | return -EMSGSIZE; | |
55682965 JB |
2397 | } |
2398 | ||
2399 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2400 | { | |
2401 | int wp_idx = 0; | |
2402 | int if_idx = 0; | |
2403 | int wp_start = cb->args[0]; | |
2404 | int if_start = cb->args[1]; | |
f5ea9120 | 2405 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2406 | struct wireless_dev *wdev; |
2407 | ||
5fe231e8 | 2408 | rtnl_lock(); |
f5ea9120 JB |
2409 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2410 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2411 | continue; |
bba95fef JB |
2412 | if (wp_idx < wp_start) { |
2413 | wp_idx++; | |
55682965 | 2414 | continue; |
bba95fef | 2415 | } |
55682965 JB |
2416 | if_idx = 0; |
2417 | ||
89a54e48 | 2418 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
bba95fef JB |
2419 | if (if_idx < if_start) { |
2420 | if_idx++; | |
55682965 | 2421 | continue; |
bba95fef | 2422 | } |
15e47304 | 2423 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2424 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8f894be2 | 2425 | rdev, wdev, false) < 0) { |
bba95fef JB |
2426 | goto out; |
2427 | } | |
2428 | if_idx++; | |
55682965 | 2429 | } |
bba95fef JB |
2430 | |
2431 | wp_idx++; | |
55682965 | 2432 | } |
bba95fef | 2433 | out: |
5fe231e8 | 2434 | rtnl_unlock(); |
55682965 JB |
2435 | |
2436 | cb->args[0] = wp_idx; | |
2437 | cb->args[1] = if_idx; | |
2438 | ||
2439 | return skb->len; | |
2440 | } | |
2441 | ||
2442 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2443 | { | |
2444 | struct sk_buff *msg; | |
1b8ec87a | 2445 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2446 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2447 | |
fd2120ca | 2448 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2449 | if (!msg) |
4c476991 | 2450 | return -ENOMEM; |
55682965 | 2451 | |
15e47304 | 2452 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2453 | rdev, wdev, false) < 0) { |
4c476991 JB |
2454 | nlmsg_free(msg); |
2455 | return -ENOBUFS; | |
2456 | } | |
55682965 | 2457 | |
134e6375 | 2458 | return genlmsg_reply(msg, info); |
55682965 JB |
2459 | } |
2460 | ||
66f7ac50 MW |
2461 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2462 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2463 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2464 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2465 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2466 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2467 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2468 | }; |
2469 | ||
2470 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2471 | { | |
2472 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2473 | int flag; | |
2474 | ||
2475 | *mntrflags = 0; | |
2476 | ||
2477 | if (!nla) | |
2478 | return -EINVAL; | |
2479 | ||
2480 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2481 | nla, mntr_flags_policy)) | |
2482 | return -EINVAL; | |
2483 | ||
2484 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2485 | if (flags[flag]) | |
2486 | *mntrflags |= (1<<flag); | |
2487 | ||
2488 | return 0; | |
2489 | } | |
2490 | ||
9bc383de | 2491 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2492 | struct net_device *netdev, u8 use_4addr, |
2493 | enum nl80211_iftype iftype) | |
9bc383de | 2494 | { |
ad4bb6f8 | 2495 | if (!use_4addr) { |
f350a0a8 | 2496 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2497 | return -EBUSY; |
9bc383de | 2498 | return 0; |
ad4bb6f8 | 2499 | } |
9bc383de JB |
2500 | |
2501 | switch (iftype) { | |
2502 | case NL80211_IFTYPE_AP_VLAN: | |
2503 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2504 | return 0; | |
2505 | break; | |
2506 | case NL80211_IFTYPE_STATION: | |
2507 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2508 | return 0; | |
2509 | break; | |
2510 | default: | |
2511 | break; | |
2512 | } | |
2513 | ||
2514 | return -EOPNOTSUPP; | |
2515 | } | |
2516 | ||
55682965 JB |
2517 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2518 | { | |
4c476991 | 2519 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2520 | struct vif_params params; |
e36d56b6 | 2521 | int err; |
04a773ad | 2522 | enum nl80211_iftype otype, ntype; |
4c476991 | 2523 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2524 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2525 | bool change = false; |
55682965 | 2526 | |
2ec600d6 LCC |
2527 | memset(¶ms, 0, sizeof(params)); |
2528 | ||
04a773ad | 2529 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2530 | |
723b038d | 2531 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2532 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2533 | if (otype != ntype) |
ac7f9cfa | 2534 | change = true; |
4c476991 JB |
2535 | if (ntype > NL80211_IFTYPE_MAX) |
2536 | return -EINVAL; | |
723b038d JB |
2537 | } |
2538 | ||
92ffe055 | 2539 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2540 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2541 | ||
4c476991 JB |
2542 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2543 | return -EINVAL; | |
29cbe68c JB |
2544 | if (netif_running(dev)) |
2545 | return -EBUSY; | |
2546 | ||
2547 | wdev_lock(wdev); | |
2548 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2549 | IEEE80211_MAX_MESH_ID_LEN); | |
2550 | wdev->mesh_id_up_len = | |
2551 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2552 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2553 | wdev->mesh_id_up_len); | |
2554 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2555 | } |
2556 | ||
8b787643 FF |
2557 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2558 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2559 | change = true; | |
ad4bb6f8 | 2560 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2561 | if (err) |
4c476991 | 2562 | return err; |
8b787643 FF |
2563 | } else { |
2564 | params.use_4addr = -1; | |
2565 | } | |
2566 | ||
92ffe055 | 2567 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2568 | if (ntype != NL80211_IFTYPE_MONITOR) |
2569 | return -EINVAL; | |
92ffe055 JB |
2570 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2571 | &_flags); | |
ac7f9cfa | 2572 | if (err) |
4c476991 | 2573 | return err; |
ac7f9cfa JB |
2574 | |
2575 | flags = &_flags; | |
2576 | change = true; | |
92ffe055 | 2577 | } |
3b85875a | 2578 | |
18003297 | 2579 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2580 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2581 | return -EOPNOTSUPP; | |
2582 | ||
ac7f9cfa | 2583 | if (change) |
3d54d255 | 2584 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2585 | else |
2586 | err = 0; | |
60719ffd | 2587 | |
9bc383de JB |
2588 | if (!err && params.use_4addr != -1) |
2589 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2590 | ||
55682965 JB |
2591 | return err; |
2592 | } | |
2593 | ||
2594 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2595 | { | |
4c476991 | 2596 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2597 | struct vif_params params; |
84efbb84 | 2598 | struct wireless_dev *wdev; |
8f894be2 | 2599 | struct sk_buff *msg, *event; |
55682965 JB |
2600 | int err; |
2601 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2602 | u32 flags; |
55682965 | 2603 | |
78f22b6a JB |
2604 | /* to avoid failing a new interface creation due to pending removal */ |
2605 | cfg80211_destroy_ifaces(rdev); | |
2606 | ||
2ec600d6 LCC |
2607 | memset(¶ms, 0, sizeof(params)); |
2608 | ||
55682965 JB |
2609 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2610 | return -EINVAL; | |
2611 | ||
2612 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2613 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2614 | if (type > NL80211_IFTYPE_MAX) | |
2615 | return -EINVAL; | |
2616 | } | |
2617 | ||
79c97e97 | 2618 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2619 | !(rdev->wiphy.interface_modes & (1 << type))) |
2620 | return -EOPNOTSUPP; | |
55682965 | 2621 | |
e8f479b1 BG |
2622 | if ((type == NL80211_IFTYPE_P2P_DEVICE || |
2623 | rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) && | |
2624 | info->attrs[NL80211_ATTR_MAC]) { | |
1c18f145 AS |
2625 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], |
2626 | ETH_ALEN); | |
2627 | if (!is_valid_ether_addr(params.macaddr)) | |
2628 | return -EADDRNOTAVAIL; | |
2629 | } | |
2630 | ||
9bc383de | 2631 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2632 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2633 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2634 | if (err) |
4c476991 | 2635 | return err; |
9bc383de | 2636 | } |
8b787643 | 2637 | |
1c90f9d4 JB |
2638 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2639 | if (!msg) | |
2640 | return -ENOMEM; | |
2641 | ||
66f7ac50 MW |
2642 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2643 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2644 | &flags); | |
e057d3c3 | 2645 | |
18003297 | 2646 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2647 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2648 | return -EOPNOTSUPP; | |
2649 | ||
e35e4d28 HG |
2650 | wdev = rdev_add_virtual_intf(rdev, |
2651 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
2652 | type, err ? NULL : &flags, ¶ms); | |
d687cbb7 RM |
2653 | if (WARN_ON(!wdev)) { |
2654 | nlmsg_free(msg); | |
2655 | return -EPROTO; | |
2656 | } else if (IS_ERR(wdev)) { | |
1c90f9d4 | 2657 | nlmsg_free(msg); |
84efbb84 | 2658 | return PTR_ERR(wdev); |
1c90f9d4 | 2659 | } |
2ec600d6 | 2660 | |
18e5ca65 | 2661 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
78f22b6a JB |
2662 | wdev->owner_nlportid = info->snd_portid; |
2663 | ||
98104fde JB |
2664 | switch (type) { |
2665 | case NL80211_IFTYPE_MESH_POINT: | |
2666 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2667 | break; | |
29cbe68c JB |
2668 | wdev_lock(wdev); |
2669 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2670 | IEEE80211_MAX_MESH_ID_LEN); | |
2671 | wdev->mesh_id_up_len = | |
2672 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2673 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2674 | wdev->mesh_id_up_len); | |
2675 | wdev_unlock(wdev); | |
98104fde JB |
2676 | break; |
2677 | case NL80211_IFTYPE_P2P_DEVICE: | |
2678 | /* | |
2679 | * P2P Device doesn't have a netdev, so doesn't go | |
2680 | * through the netdev notifier and must be added here | |
2681 | */ | |
2682 | mutex_init(&wdev->mtx); | |
2683 | INIT_LIST_HEAD(&wdev->event_list); | |
2684 | spin_lock_init(&wdev->event_lock); | |
2685 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2686 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2687 | ||
98104fde JB |
2688 | wdev->identifier = ++rdev->wdev_id; |
2689 | list_add_rcu(&wdev->list, &rdev->wdev_list); | |
2690 | rdev->devlist_generation++; | |
98104fde JB |
2691 | break; |
2692 | default: | |
2693 | break; | |
29cbe68c JB |
2694 | } |
2695 | ||
15e47304 | 2696 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2697 | rdev, wdev, false) < 0) { |
1c90f9d4 JB |
2698 | nlmsg_free(msg); |
2699 | return -ENOBUFS; | |
2700 | } | |
2701 | ||
8f894be2 TB |
2702 | event = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2703 | if (event) { | |
2704 | if (nl80211_send_iface(event, 0, 0, 0, | |
2705 | rdev, wdev, false) < 0) { | |
2706 | nlmsg_free(event); | |
2707 | goto out; | |
2708 | } | |
2709 | ||
2710 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
2711 | event, 0, NL80211_MCGRP_CONFIG, | |
2712 | GFP_KERNEL); | |
2713 | } | |
2714 | ||
2715 | out: | |
1c90f9d4 | 2716 | return genlmsg_reply(msg, info); |
55682965 JB |
2717 | } |
2718 | ||
2719 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2720 | { | |
4c476991 | 2721 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2722 | struct wireless_dev *wdev = info->user_ptr[1]; |
8f894be2 TB |
2723 | struct sk_buff *msg; |
2724 | int status; | |
55682965 | 2725 | |
4c476991 JB |
2726 | if (!rdev->ops->del_virtual_intf) |
2727 | return -EOPNOTSUPP; | |
55682965 | 2728 | |
8f894be2 TB |
2729 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2730 | if (msg && nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, true) < 0) { | |
2731 | nlmsg_free(msg); | |
2732 | msg = NULL; | |
2733 | } | |
2734 | ||
84efbb84 JB |
2735 | /* |
2736 | * If we remove a wireless device without a netdev then clear | |
2737 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2738 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2739 | * since the wdev has been freed, unlike with a netdev where | |
2740 | * we need the dev_put() for the netdev to really be freed. | |
2741 | */ | |
2742 | if (!wdev->netdev) | |
2743 | info->user_ptr[1] = NULL; | |
2744 | ||
8f894be2 TB |
2745 | status = rdev_del_virtual_intf(rdev, wdev); |
2746 | if (status >= 0 && msg) | |
2747 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
2748 | msg, 0, NL80211_MCGRP_CONFIG, | |
2749 | GFP_KERNEL); | |
2750 | else | |
2751 | nlmsg_free(msg); | |
2752 | ||
2753 | return status; | |
55682965 JB |
2754 | } |
2755 | ||
1d9d9213 SW |
2756 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2757 | { | |
2758 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2759 | struct net_device *dev = info->user_ptr[1]; | |
2760 | u16 noack_map; | |
2761 | ||
2762 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2763 | return -EINVAL; | |
2764 | ||
2765 | if (!rdev->ops->set_noack_map) | |
2766 | return -EOPNOTSUPP; | |
2767 | ||
2768 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2769 | ||
e35e4d28 | 2770 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2771 | } |
2772 | ||
41ade00f JB |
2773 | struct get_key_cookie { |
2774 | struct sk_buff *msg; | |
2775 | int error; | |
b9454e83 | 2776 | int idx; |
41ade00f JB |
2777 | }; |
2778 | ||
2779 | static void get_key_callback(void *c, struct key_params *params) | |
2780 | { | |
b9454e83 | 2781 | struct nlattr *key; |
41ade00f JB |
2782 | struct get_key_cookie *cookie = c; |
2783 | ||
9360ffd1 DM |
2784 | if ((params->key && |
2785 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
2786 | params->key_len, params->key)) || | |
2787 | (params->seq && | |
2788 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
2789 | params->seq_len, params->seq)) || | |
2790 | (params->cipher && | |
2791 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
2792 | params->cipher))) | |
2793 | goto nla_put_failure; | |
41ade00f | 2794 | |
b9454e83 JB |
2795 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
2796 | if (!key) | |
2797 | goto nla_put_failure; | |
2798 | ||
9360ffd1 DM |
2799 | if ((params->key && |
2800 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
2801 | params->key_len, params->key)) || | |
2802 | (params->seq && | |
2803 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
2804 | params->seq_len, params->seq)) || | |
2805 | (params->cipher && | |
2806 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
2807 | params->cipher))) | |
2808 | goto nla_put_failure; | |
b9454e83 | 2809 | |
9360ffd1 DM |
2810 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
2811 | goto nla_put_failure; | |
b9454e83 JB |
2812 | |
2813 | nla_nest_end(cookie->msg, key); | |
2814 | ||
41ade00f JB |
2815 | return; |
2816 | nla_put_failure: | |
2817 | cookie->error = 1; | |
2818 | } | |
2819 | ||
2820 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
2821 | { | |
4c476991 | 2822 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 2823 | int err; |
4c476991 | 2824 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2825 | u8 key_idx = 0; |
e31b8213 JB |
2826 | const u8 *mac_addr = NULL; |
2827 | bool pairwise; | |
41ade00f JB |
2828 | struct get_key_cookie cookie = { |
2829 | .error = 0, | |
2830 | }; | |
2831 | void *hdr; | |
2832 | struct sk_buff *msg; | |
2833 | ||
2834 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
2835 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
2836 | ||
3cfcf6ac | 2837 | if (key_idx > 5) |
41ade00f JB |
2838 | return -EINVAL; |
2839 | ||
2840 | if (info->attrs[NL80211_ATTR_MAC]) | |
2841 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2842 | ||
e31b8213 JB |
2843 | pairwise = !!mac_addr; |
2844 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
2845 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
2846 | if (kt >= NUM_NL80211_KEYTYPES) | |
2847 | return -EINVAL; | |
2848 | if (kt != NL80211_KEYTYPE_GROUP && | |
2849 | kt != NL80211_KEYTYPE_PAIRWISE) | |
2850 | return -EINVAL; | |
2851 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
2852 | } | |
2853 | ||
4c476991 JB |
2854 | if (!rdev->ops->get_key) |
2855 | return -EOPNOTSUPP; | |
41ade00f | 2856 | |
fd2120ca | 2857 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
2858 | if (!msg) |
2859 | return -ENOMEM; | |
41ade00f | 2860 | |
15e47304 | 2861 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 2862 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 2863 | if (!hdr) |
9fe271af | 2864 | goto nla_put_failure; |
41ade00f JB |
2865 | |
2866 | cookie.msg = msg; | |
b9454e83 | 2867 | cookie.idx = key_idx; |
41ade00f | 2868 | |
9360ffd1 DM |
2869 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
2870 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
2871 | goto nla_put_failure; | |
2872 | if (mac_addr && | |
2873 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
2874 | goto nla_put_failure; | |
41ade00f | 2875 | |
e31b8213 JB |
2876 | if (pairwise && mac_addr && |
2877 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
2878 | return -ENOENT; | |
2879 | ||
e35e4d28 HG |
2880 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
2881 | get_key_callback); | |
41ade00f JB |
2882 | |
2883 | if (err) | |
6c95e2a2 | 2884 | goto free_msg; |
41ade00f JB |
2885 | |
2886 | if (cookie.error) | |
2887 | goto nla_put_failure; | |
2888 | ||
2889 | genlmsg_end(msg, hdr); | |
4c476991 | 2890 | return genlmsg_reply(msg, info); |
41ade00f JB |
2891 | |
2892 | nla_put_failure: | |
2893 | err = -ENOBUFS; | |
6c95e2a2 | 2894 | free_msg: |
41ade00f | 2895 | nlmsg_free(msg); |
41ade00f JB |
2896 | return err; |
2897 | } | |
2898 | ||
2899 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
2900 | { | |
4c476991 | 2901 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 2902 | struct key_parse key; |
41ade00f | 2903 | int err; |
4c476991 | 2904 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 2905 | |
b9454e83 JB |
2906 | err = nl80211_parse_key(info, &key); |
2907 | if (err) | |
2908 | return err; | |
41ade00f | 2909 | |
b9454e83 | 2910 | if (key.idx < 0) |
41ade00f JB |
2911 | return -EINVAL; |
2912 | ||
b9454e83 JB |
2913 | /* only support setting default key */ |
2914 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
2915 | return -EINVAL; |
2916 | ||
dbd2fd65 | 2917 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 2918 | |
dbd2fd65 JB |
2919 | if (key.def) { |
2920 | if (!rdev->ops->set_default_key) { | |
2921 | err = -EOPNOTSUPP; | |
2922 | goto out; | |
2923 | } | |
41ade00f | 2924 | |
dbd2fd65 JB |
2925 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
2926 | if (err) | |
2927 | goto out; | |
2928 | ||
e35e4d28 | 2929 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
2930 | key.def_uni, key.def_multi); |
2931 | ||
2932 | if (err) | |
2933 | goto out; | |
fffd0934 | 2934 | |
3d23e349 | 2935 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
2936 | dev->ieee80211_ptr->wext.default_key = key.idx; |
2937 | #endif | |
2938 | } else { | |
2939 | if (key.def_uni || !key.def_multi) { | |
2940 | err = -EINVAL; | |
2941 | goto out; | |
2942 | } | |
2943 | ||
2944 | if (!rdev->ops->set_default_mgmt_key) { | |
2945 | err = -EOPNOTSUPP; | |
2946 | goto out; | |
2947 | } | |
2948 | ||
2949 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
2950 | if (err) | |
2951 | goto out; | |
2952 | ||
e35e4d28 | 2953 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
2954 | if (err) |
2955 | goto out; | |
2956 | ||
2957 | #ifdef CONFIG_CFG80211_WEXT | |
2958 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 2959 | #endif |
dbd2fd65 JB |
2960 | } |
2961 | ||
2962 | out: | |
fffd0934 | 2963 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 2964 | |
41ade00f JB |
2965 | return err; |
2966 | } | |
2967 | ||
2968 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
2969 | { | |
4c476991 | 2970 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 2971 | int err; |
4c476991 | 2972 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 2973 | struct key_parse key; |
e31b8213 | 2974 | const u8 *mac_addr = NULL; |
41ade00f | 2975 | |
b9454e83 JB |
2976 | err = nl80211_parse_key(info, &key); |
2977 | if (err) | |
2978 | return err; | |
41ade00f | 2979 | |
b9454e83 | 2980 | if (!key.p.key) |
41ade00f JB |
2981 | return -EINVAL; |
2982 | ||
41ade00f JB |
2983 | if (info->attrs[NL80211_ATTR_MAC]) |
2984 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
2985 | ||
e31b8213 JB |
2986 | if (key.type == -1) { |
2987 | if (mac_addr) | |
2988 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
2989 | else | |
2990 | key.type = NL80211_KEYTYPE_GROUP; | |
2991 | } | |
2992 | ||
2993 | /* for now */ | |
2994 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
2995 | key.type != NL80211_KEYTYPE_GROUP) | |
2996 | return -EINVAL; | |
2997 | ||
4c476991 JB |
2998 | if (!rdev->ops->add_key) |
2999 | return -EOPNOTSUPP; | |
25e47c18 | 3000 | |
e31b8213 JB |
3001 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
3002 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3003 | mac_addr)) | |
4c476991 | 3004 | return -EINVAL; |
41ade00f | 3005 | |
fffd0934 JB |
3006 | wdev_lock(dev->ieee80211_ptr); |
3007 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3008 | if (!err) | |
e35e4d28 HG |
3009 | err = rdev_add_key(rdev, dev, key.idx, |
3010 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3011 | mac_addr, &key.p); | |
fffd0934 | 3012 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3013 | |
41ade00f JB |
3014 | return err; |
3015 | } | |
3016 | ||
3017 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
3018 | { | |
4c476991 | 3019 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3020 | int err; |
4c476991 | 3021 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3022 | u8 *mac_addr = NULL; |
b9454e83 | 3023 | struct key_parse key; |
41ade00f | 3024 | |
b9454e83 JB |
3025 | err = nl80211_parse_key(info, &key); |
3026 | if (err) | |
3027 | return err; | |
41ade00f JB |
3028 | |
3029 | if (info->attrs[NL80211_ATTR_MAC]) | |
3030 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3031 | ||
e31b8213 JB |
3032 | if (key.type == -1) { |
3033 | if (mac_addr) | |
3034 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3035 | else | |
3036 | key.type = NL80211_KEYTYPE_GROUP; | |
3037 | } | |
3038 | ||
3039 | /* for now */ | |
3040 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3041 | key.type != NL80211_KEYTYPE_GROUP) | |
3042 | return -EINVAL; | |
3043 | ||
4c476991 JB |
3044 | if (!rdev->ops->del_key) |
3045 | return -EOPNOTSUPP; | |
41ade00f | 3046 | |
fffd0934 JB |
3047 | wdev_lock(dev->ieee80211_ptr); |
3048 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 JB |
3049 | |
3050 | if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr && | |
3051 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) | |
3052 | err = -ENOENT; | |
3053 | ||
fffd0934 | 3054 | if (!err) |
e35e4d28 HG |
3055 | err = rdev_del_key(rdev, dev, key.idx, |
3056 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3057 | mac_addr); | |
41ade00f | 3058 | |
3d23e349 | 3059 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 3060 | if (!err) { |
b9454e83 | 3061 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 3062 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 3063 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
3064 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
3065 | } | |
3066 | #endif | |
fffd0934 | 3067 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3068 | |
41ade00f JB |
3069 | return err; |
3070 | } | |
3071 | ||
77765eaf VT |
3072 | /* This function returns an error or the number of nested attributes */ |
3073 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3074 | { | |
3075 | struct nlattr *attr; | |
3076 | int n_entries = 0, tmp; | |
3077 | ||
3078 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3079 | if (nla_len(attr) != ETH_ALEN) | |
3080 | return -EINVAL; | |
3081 | ||
3082 | n_entries++; | |
3083 | } | |
3084 | ||
3085 | return n_entries; | |
3086 | } | |
3087 | ||
3088 | /* | |
3089 | * This function parses ACL information and allocates memory for ACL data. | |
3090 | * On successful return, the calling function is responsible to free the | |
3091 | * ACL buffer returned by this function. | |
3092 | */ | |
3093 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3094 | struct genl_info *info) | |
3095 | { | |
3096 | enum nl80211_acl_policy acl_policy; | |
3097 | struct nlattr *attr; | |
3098 | struct cfg80211_acl_data *acl; | |
3099 | int i = 0, n_entries, tmp; | |
3100 | ||
3101 | if (!wiphy->max_acl_mac_addrs) | |
3102 | return ERR_PTR(-EOPNOTSUPP); | |
3103 | ||
3104 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3105 | return ERR_PTR(-EINVAL); | |
3106 | ||
3107 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3108 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3109 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3110 | return ERR_PTR(-EINVAL); | |
3111 | ||
3112 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3113 | return ERR_PTR(-EINVAL); | |
3114 | ||
3115 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3116 | if (n_entries < 0) | |
3117 | return ERR_PTR(n_entries); | |
3118 | ||
3119 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3120 | return ERR_PTR(-ENOTSUPP); | |
3121 | ||
3122 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3123 | GFP_KERNEL); | |
3124 | if (!acl) | |
3125 | return ERR_PTR(-ENOMEM); | |
3126 | ||
3127 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3128 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3129 | i++; | |
3130 | } | |
3131 | ||
3132 | acl->n_acl_entries = n_entries; | |
3133 | acl->acl_policy = acl_policy; | |
3134 | ||
3135 | return acl; | |
3136 | } | |
3137 | ||
3138 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3139 | { | |
3140 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3141 | struct net_device *dev = info->user_ptr[1]; | |
3142 | struct cfg80211_acl_data *acl; | |
3143 | int err; | |
3144 | ||
3145 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3146 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3147 | return -EOPNOTSUPP; | |
3148 | ||
3149 | if (!dev->ieee80211_ptr->beacon_interval) | |
3150 | return -EINVAL; | |
3151 | ||
3152 | acl = parse_acl_data(&rdev->wiphy, info); | |
3153 | if (IS_ERR(acl)) | |
3154 | return PTR_ERR(acl); | |
3155 | ||
3156 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3157 | ||
3158 | kfree(acl); | |
3159 | ||
3160 | return err; | |
3161 | } | |
3162 | ||
a1193be8 | 3163 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3164 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3165 | { |
8860020e | 3166 | bool haveinfo = false; |
ed1b6cc7 | 3167 | |
a1193be8 SW |
3168 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3169 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3170 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3171 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3172 | return -EINVAL; |
3173 | ||
8860020e | 3174 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3175 | |
a1193be8 SW |
3176 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3177 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3178 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3179 | if (!bcn->head_len) |
3180 | return -EINVAL; | |
3181 | haveinfo = true; | |
ed1b6cc7 JB |
3182 | } |
3183 | ||
a1193be8 SW |
3184 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3185 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3186 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3187 | haveinfo = true; |
ed1b6cc7 JB |
3188 | } |
3189 | ||
4c476991 JB |
3190 | if (!haveinfo) |
3191 | return -EINVAL; | |
3b85875a | 3192 | |
a1193be8 SW |
3193 | if (attrs[NL80211_ATTR_IE]) { |
3194 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3195 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3196 | } |
3197 | ||
a1193be8 | 3198 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3199 | bcn->proberesp_ies = |
a1193be8 | 3200 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3201 | bcn->proberesp_ies_len = |
a1193be8 | 3202 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3203 | } |
3204 | ||
a1193be8 | 3205 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3206 | bcn->assocresp_ies = |
a1193be8 | 3207 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3208 | bcn->assocresp_ies_len = |
a1193be8 | 3209 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3210 | } |
3211 | ||
a1193be8 SW |
3212 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3213 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3214 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3215 | } |
3216 | ||
8860020e JB |
3217 | return 0; |
3218 | } | |
3219 | ||
46c1dd0c FF |
3220 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3221 | struct cfg80211_ap_settings *params) | |
3222 | { | |
3223 | struct wireless_dev *wdev; | |
3224 | bool ret = false; | |
3225 | ||
89a54e48 | 3226 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
46c1dd0c FF |
3227 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3228 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3229 | continue; | |
3230 | ||
683b6d3b | 3231 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3232 | continue; |
3233 | ||
683b6d3b | 3234 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3235 | ret = true; |
3236 | break; | |
3237 | } | |
3238 | ||
46c1dd0c FF |
3239 | return ret; |
3240 | } | |
3241 | ||
e39e5b5e JM |
3242 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3243 | enum nl80211_auth_type auth_type, | |
3244 | enum nl80211_commands cmd) | |
3245 | { | |
3246 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3247 | return false; | |
3248 | ||
3249 | switch (cmd) { | |
3250 | case NL80211_CMD_AUTHENTICATE: | |
3251 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3252 | auth_type == NL80211_AUTHTYPE_SAE) | |
3253 | return false; | |
3254 | return true; | |
3255 | case NL80211_CMD_CONNECT: | |
3256 | case NL80211_CMD_START_AP: | |
3257 | /* SAE not supported yet */ | |
3258 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3259 | return false; | |
3260 | return true; | |
3261 | default: | |
3262 | return false; | |
3263 | } | |
3264 | } | |
3265 | ||
8860020e JB |
3266 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3267 | { | |
3268 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3269 | struct net_device *dev = info->user_ptr[1]; | |
3270 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3271 | struct cfg80211_ap_settings params; | |
3272 | int err; | |
3273 | ||
3274 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3275 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3276 | return -EOPNOTSUPP; | |
3277 | ||
3278 | if (!rdev->ops->start_ap) | |
3279 | return -EOPNOTSUPP; | |
3280 | ||
3281 | if (wdev->beacon_interval) | |
3282 | return -EALREADY; | |
3283 | ||
3284 | memset(¶ms, 0, sizeof(params)); | |
3285 | ||
3286 | /* these are required for START_AP */ | |
3287 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3288 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3289 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3290 | return -EINVAL; | |
3291 | ||
a1193be8 | 3292 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3293 | if (err) |
3294 | return err; | |
3295 | ||
3296 | params.beacon_interval = | |
3297 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3298 | params.dtim_period = | |
3299 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3300 | ||
3301 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3302 | if (err) | |
3303 | return err; | |
3304 | ||
3305 | /* | |
3306 | * In theory, some of these attributes should be required here | |
3307 | * but since they were not used when the command was originally | |
3308 | * added, keep them optional for old user space programs to let | |
3309 | * them continue to work with drivers that do not need the | |
3310 | * additional information -- drivers must check! | |
3311 | */ | |
3312 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3313 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3314 | params.ssid_len = | |
3315 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3316 | if (params.ssid_len == 0 || | |
3317 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3318 | return -EINVAL; | |
3319 | } | |
3320 | ||
3321 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3322 | params.hidden_ssid = nla_get_u32( | |
3323 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3324 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3325 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3326 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3327 | return -EINVAL; | |
3328 | } | |
3329 | ||
3330 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3331 | ||
3332 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3333 | params.auth_type = nla_get_u32( | |
3334 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3335 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3336 | NL80211_CMD_START_AP)) | |
8860020e JB |
3337 | return -EINVAL; |
3338 | } else | |
3339 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3340 | ||
3341 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3342 | NL80211_MAX_NR_CIPHER_SUITES); | |
3343 | if (err) | |
3344 | return err; | |
3345 | ||
1b658f11 VT |
3346 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3347 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3348 | return -EOPNOTSUPP; | |
3349 | params.inactivity_timeout = nla_get_u16( | |
3350 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3351 | } | |
3352 | ||
53cabad7 JB |
3353 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3354 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3355 | return -EINVAL; | |
3356 | params.p2p_ctwindow = | |
3357 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3358 | if (params.p2p_ctwindow > 127) | |
3359 | return -EINVAL; | |
3360 | if (params.p2p_ctwindow != 0 && | |
3361 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3362 | return -EINVAL; | |
3363 | } | |
3364 | ||
3365 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3366 | u8 tmp; | |
3367 | ||
3368 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3369 | return -EINVAL; | |
3370 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3371 | if (tmp > 1) | |
3372 | return -EINVAL; | |
3373 | params.p2p_opp_ps = tmp; | |
3374 | if (params.p2p_opp_ps != 0 && | |
3375 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3376 | return -EINVAL; | |
3377 | } | |
3378 | ||
aa430da4 | 3379 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3380 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3381 | if (err) | |
3382 | return err; | |
3383 | } else if (wdev->preset_chandef.chan) { | |
3384 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3385 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3386 | return -EINVAL; |
3387 | ||
174e0cd2 IP |
3388 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, |
3389 | wdev->iftype)) | |
aa430da4 JB |
3390 | return -EINVAL; |
3391 | ||
77765eaf VT |
3392 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3393 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3394 | if (IS_ERR(params.acl)) | |
3395 | return PTR_ERR(params.acl); | |
3396 | } | |
3397 | ||
18998c38 EP |
3398 | if (info->attrs[NL80211_ATTR_SMPS_MODE]) { |
3399 | params.smps_mode = | |
3400 | nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); | |
3401 | switch (params.smps_mode) { | |
3402 | case NL80211_SMPS_OFF: | |
3403 | break; | |
3404 | case NL80211_SMPS_STATIC: | |
3405 | if (!(rdev->wiphy.features & | |
3406 | NL80211_FEATURE_STATIC_SMPS)) | |
3407 | return -EINVAL; | |
3408 | break; | |
3409 | case NL80211_SMPS_DYNAMIC: | |
3410 | if (!(rdev->wiphy.features & | |
3411 | NL80211_FEATURE_DYNAMIC_SMPS)) | |
3412 | return -EINVAL; | |
3413 | break; | |
3414 | default: | |
3415 | return -EINVAL; | |
3416 | } | |
3417 | } else { | |
3418 | params.smps_mode = NL80211_SMPS_OFF; | |
3419 | } | |
3420 | ||
c56589ed | 3421 | wdev_lock(wdev); |
e35e4d28 | 3422 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3423 | if (!err) { |
683b6d3b | 3424 | wdev->preset_chandef = params.chandef; |
8860020e | 3425 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 3426 | wdev->chandef = params.chandef; |
06e191e2 AQ |
3427 | wdev->ssid_len = params.ssid_len; |
3428 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3429 | } |
c56589ed | 3430 | wdev_unlock(wdev); |
77765eaf VT |
3431 | |
3432 | kfree(params.acl); | |
3433 | ||
56d1893d | 3434 | return err; |
ed1b6cc7 JB |
3435 | } |
3436 | ||
8860020e JB |
3437 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3438 | { | |
3439 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3440 | struct net_device *dev = info->user_ptr[1]; | |
3441 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3442 | struct cfg80211_beacon_data params; | |
3443 | int err; | |
3444 | ||
3445 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3446 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3447 | return -EOPNOTSUPP; | |
3448 | ||
3449 | if (!rdev->ops->change_beacon) | |
3450 | return -EOPNOTSUPP; | |
3451 | ||
3452 | if (!wdev->beacon_interval) | |
3453 | return -EINVAL; | |
3454 | ||
a1193be8 | 3455 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3456 | if (err) |
3457 | return err; | |
3458 | ||
c56589ed SW |
3459 | wdev_lock(wdev); |
3460 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
3461 | wdev_unlock(wdev); | |
3462 | ||
3463 | return err; | |
8860020e JB |
3464 | } |
3465 | ||
3466 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3467 | { |
4c476991 JB |
3468 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3469 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3470 | |
7c8d5e03 | 3471 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
3472 | } |
3473 | ||
5727ef1b JB |
3474 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3475 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3476 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3477 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3478 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3479 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 3480 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
3481 | }; |
3482 | ||
eccb8e8f | 3483 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 3484 | enum nl80211_iftype iftype, |
eccb8e8f | 3485 | struct station_parameters *params) |
5727ef1b JB |
3486 | { |
3487 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 3488 | struct nlattr *nla; |
5727ef1b JB |
3489 | int flag; |
3490 | ||
eccb8e8f JB |
3491 | /* |
3492 | * Try parsing the new attribute first so userspace | |
3493 | * can specify both for older kernels. | |
3494 | */ | |
3495 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
3496 | if (nla) { | |
3497 | struct nl80211_sta_flag_update *sta_flags; | |
3498 | ||
3499 | sta_flags = nla_data(nla); | |
3500 | params->sta_flags_mask = sta_flags->mask; | |
3501 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 3502 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
3503 | if ((params->sta_flags_mask | |
3504 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
3505 | return -EINVAL; | |
3506 | return 0; | |
3507 | } | |
3508 | ||
3509 | /* if present, parse the old attribute */ | |
5727ef1b | 3510 | |
eccb8e8f | 3511 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
3512 | if (!nla) |
3513 | return 0; | |
3514 | ||
3515 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
3516 | nla, sta_flags_policy)) | |
3517 | return -EINVAL; | |
3518 | ||
bdd3ae3d JB |
3519 | /* |
3520 | * Only allow certain flags for interface types so that | |
3521 | * other attributes are silently ignored. Remember that | |
3522 | * this is backward compatibility code with old userspace | |
3523 | * and shouldn't be hit in other cases anyway. | |
3524 | */ | |
3525 | switch (iftype) { | |
3526 | case NL80211_IFTYPE_AP: | |
3527 | case NL80211_IFTYPE_AP_VLAN: | |
3528 | case NL80211_IFTYPE_P2P_GO: | |
3529 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3530 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3531 | BIT(NL80211_STA_FLAG_WME) | | |
3532 | BIT(NL80211_STA_FLAG_MFP); | |
3533 | break; | |
3534 | case NL80211_IFTYPE_P2P_CLIENT: | |
3535 | case NL80211_IFTYPE_STATION: | |
3536 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3537 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3538 | break; | |
3539 | case NL80211_IFTYPE_MESH_POINT: | |
3540 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3541 | BIT(NL80211_STA_FLAG_MFP) | | |
3542 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
3543 | default: | |
3544 | return -EINVAL; | |
3545 | } | |
5727ef1b | 3546 | |
3383b5a6 JB |
3547 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
3548 | if (flags[flag]) { | |
eccb8e8f | 3549 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 3550 | |
3383b5a6 JB |
3551 | /* no longer support new API additions in old API */ |
3552 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
3553 | return -EINVAL; | |
3554 | } | |
3555 | } | |
3556 | ||
5727ef1b JB |
3557 | return 0; |
3558 | } | |
3559 | ||
c8dcfd8a FF |
3560 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
3561 | int attr) | |
3562 | { | |
3563 | struct nlattr *rate; | |
8eb41c8d VK |
3564 | u32 bitrate; |
3565 | u16 bitrate_compat; | |
c8dcfd8a FF |
3566 | |
3567 | rate = nla_nest_start(msg, attr); | |
3568 | if (!rate) | |
db9c64cf | 3569 | return false; |
c8dcfd8a FF |
3570 | |
3571 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
3572 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
3573 | /* report 16-bit bitrate only if we can */ |
3574 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
3575 | if (bitrate > 0 && |
3576 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
3577 | return false; | |
3578 | if (bitrate_compat > 0 && | |
3579 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
3580 | return false; | |
3581 | ||
3582 | if (info->flags & RATE_INFO_FLAGS_MCS) { | |
3583 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
3584 | return false; | |
3585 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3586 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3587 | return false; | |
3588 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3589 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3590 | return false; | |
3591 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
3592 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
3593 | return false; | |
3594 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
3595 | return false; | |
3596 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && | |
3597 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) | |
3598 | return false; | |
3599 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && | |
3600 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) | |
3601 | return false; | |
3602 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && | |
3603 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) | |
3604 | return false; | |
3605 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && | |
3606 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) | |
3607 | return false; | |
3608 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && | |
3609 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
3610 | return false; | |
3611 | } | |
c8dcfd8a FF |
3612 | |
3613 | nla_nest_end(msg, rate); | |
3614 | return true; | |
c8dcfd8a FF |
3615 | } |
3616 | ||
119363c7 FF |
3617 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
3618 | int id) | |
3619 | { | |
3620 | void *attr; | |
3621 | int i = 0; | |
3622 | ||
3623 | if (!mask) | |
3624 | return true; | |
3625 | ||
3626 | attr = nla_nest_start(msg, id); | |
3627 | if (!attr) | |
3628 | return false; | |
3629 | ||
3630 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
3631 | if (!(mask & BIT(i))) | |
3632 | continue; | |
3633 | ||
3634 | if (nla_put_u8(msg, i, signal[i])) | |
3635 | return false; | |
3636 | } | |
3637 | ||
3638 | nla_nest_end(msg, attr); | |
3639 | ||
3640 | return true; | |
3641 | } | |
3642 | ||
15e47304 | 3643 | static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, |
66266b3a JL |
3644 | int flags, |
3645 | struct cfg80211_registered_device *rdev, | |
3646 | struct net_device *dev, | |
98b62183 | 3647 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
3648 | { |
3649 | void *hdr; | |
f4263c98 | 3650 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 3651 | |
15e47304 | 3652 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); |
fd5b74dc JB |
3653 | if (!hdr) |
3654 | return -1; | |
3655 | ||
9360ffd1 DM |
3656 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3657 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
3658 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
3659 | goto nla_put_failure; | |
f5ea9120 | 3660 | |
2ec600d6 LCC |
3661 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
3662 | if (!sinfoattr) | |
fd5b74dc | 3663 | goto nla_put_failure; |
9360ffd1 DM |
3664 | if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) && |
3665 | nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME, | |
3666 | sinfo->connected_time)) | |
3667 | goto nla_put_failure; | |
3668 | if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) && | |
3669 | nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
3670 | sinfo->inactive_time)) | |
3671 | goto nla_put_failure; | |
42745e03 VK |
3672 | if ((sinfo->filled & (STATION_INFO_RX_BYTES | |
3673 | STATION_INFO_RX_BYTES64)) && | |
9360ffd1 | 3674 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 3675 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 3676 | goto nla_put_failure; |
42745e03 | 3677 | if ((sinfo->filled & (STATION_INFO_TX_BYTES | |
4325d724 | 3678 | STATION_INFO_TX_BYTES64)) && |
9360ffd1 | 3679 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
3680 | (u32)sinfo->tx_bytes)) |
3681 | goto nla_put_failure; | |
3682 | if ((sinfo->filled & STATION_INFO_RX_BYTES64) && | |
3683 | nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64, | |
3684 | sinfo->rx_bytes)) | |
3685 | goto nla_put_failure; | |
3686 | if ((sinfo->filled & STATION_INFO_TX_BYTES64) && | |
3687 | nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64, | |
9360ffd1 DM |
3688 | sinfo->tx_bytes)) |
3689 | goto nla_put_failure; | |
3690 | if ((sinfo->filled & STATION_INFO_LLID) && | |
3691 | nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid)) | |
3692 | goto nla_put_failure; | |
3693 | if ((sinfo->filled & STATION_INFO_PLID) && | |
3694 | nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid)) | |
3695 | goto nla_put_failure; | |
3696 | if ((sinfo->filled & STATION_INFO_PLINK_STATE) && | |
3697 | nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE, | |
3698 | sinfo->plink_state)) | |
3699 | goto nla_put_failure; | |
66266b3a JL |
3700 | switch (rdev->wiphy.signal_type) { |
3701 | case CFG80211_SIGNAL_TYPE_MBM: | |
9360ffd1 DM |
3702 | if ((sinfo->filled & STATION_INFO_SIGNAL) && |
3703 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL, | |
3704 | sinfo->signal)) | |
3705 | goto nla_put_failure; | |
3706 | if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) && | |
3707 | nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG, | |
3708 | sinfo->signal_avg)) | |
3709 | goto nla_put_failure; | |
66266b3a JL |
3710 | break; |
3711 | default: | |
3712 | break; | |
3713 | } | |
119363c7 FF |
3714 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) { |
3715 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3716 | sinfo->chain_signal, | |
3717 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
3718 | goto nla_put_failure; | |
3719 | } | |
3720 | if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) { | |
3721 | if (!nl80211_put_signal(msg, sinfo->chains, | |
3722 | sinfo->chain_signal_avg, | |
3723 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
3724 | goto nla_put_failure; | |
3725 | } | |
420e7fab | 3726 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
c8dcfd8a FF |
3727 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
3728 | NL80211_STA_INFO_TX_BITRATE)) | |
3729 | goto nla_put_failure; | |
3730 | } | |
3731 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { | |
3732 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, | |
3733 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 3734 | goto nla_put_failure; |
420e7fab | 3735 | } |
9360ffd1 DM |
3736 | if ((sinfo->filled & STATION_INFO_RX_PACKETS) && |
3737 | nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS, | |
3738 | sinfo->rx_packets)) | |
3739 | goto nla_put_failure; | |
3740 | if ((sinfo->filled & STATION_INFO_TX_PACKETS) && | |
3741 | nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS, | |
3742 | sinfo->tx_packets)) | |
3743 | goto nla_put_failure; | |
3744 | if ((sinfo->filled & STATION_INFO_TX_RETRIES) && | |
3745 | nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES, | |
3746 | sinfo->tx_retries)) | |
3747 | goto nla_put_failure; | |
3748 | if ((sinfo->filled & STATION_INFO_TX_FAILED) && | |
3749 | nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, | |
3750 | sinfo->tx_failed)) | |
3751 | goto nla_put_failure; | |
867d849f AQ |
3752 | if ((sinfo->filled & STATION_INFO_EXPECTED_THROUGHPUT) && |
3753 | nla_put_u32(msg, NL80211_STA_INFO_EXPECTED_THROUGHPUT, | |
3754 | sinfo->expected_throughput)) | |
3755 | goto nla_put_failure; | |
9360ffd1 DM |
3756 | if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && |
3757 | nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, | |
3758 | sinfo->beacon_loss_count)) | |
3759 | goto nla_put_failure; | |
3b1c5a53 MP |
3760 | if ((sinfo->filled & STATION_INFO_LOCAL_PM) && |
3761 | nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM, | |
3762 | sinfo->local_pm)) | |
3763 | goto nla_put_failure; | |
3764 | if ((sinfo->filled & STATION_INFO_PEER_PM) && | |
3765 | nla_put_u32(msg, NL80211_STA_INFO_PEER_PM, | |
3766 | sinfo->peer_pm)) | |
3767 | goto nla_put_failure; | |
3768 | if ((sinfo->filled & STATION_INFO_NONPEER_PM) && | |
3769 | nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM, | |
3770 | sinfo->nonpeer_pm)) | |
3771 | goto nla_put_failure; | |
f4263c98 PS |
3772 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
3773 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); | |
3774 | if (!bss_param) | |
3775 | goto nla_put_failure; | |
3776 | ||
9360ffd1 DM |
3777 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
3778 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
3779 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
3780 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
3781 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
3782 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
3783 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
3784 | sinfo->bss_param.dtim_period) || | |
3785 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
3786 | sinfo->bss_param.beacon_interval)) | |
3787 | goto nla_put_failure; | |
f4263c98 PS |
3788 | |
3789 | nla_nest_end(msg, bss_param); | |
3790 | } | |
9360ffd1 DM |
3791 | if ((sinfo->filled & STATION_INFO_STA_FLAGS) && |
3792 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, | |
3793 | sizeof(struct nl80211_sta_flag_update), | |
3794 | &sinfo->sta_flags)) | |
3795 | goto nla_put_failure; | |
7eab0f64 JL |
3796 | if ((sinfo->filled & STATION_INFO_T_OFFSET) && |
3797 | nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET, | |
3798 | sinfo->t_offset)) | |
3799 | goto nla_put_failure; | |
2ec600d6 | 3800 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 3801 | |
9360ffd1 DM |
3802 | if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) && |
3803 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, | |
3804 | sinfo->assoc_req_ies)) | |
3805 | goto nla_put_failure; | |
50d3dfb7 | 3806 | |
fd5b74dc JB |
3807 | return genlmsg_end(msg, hdr); |
3808 | ||
3809 | nla_put_failure: | |
bc3ed28c TG |
3810 | genlmsg_cancel(msg, hdr); |
3811 | return -EMSGSIZE; | |
fd5b74dc JB |
3812 | } |
3813 | ||
2ec600d6 | 3814 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 3815 | struct netlink_callback *cb) |
2ec600d6 | 3816 | { |
2ec600d6 | 3817 | struct station_info sinfo; |
1b8ec87a | 3818 | struct cfg80211_registered_device *rdev; |
97990a06 | 3819 | struct wireless_dev *wdev; |
2ec600d6 | 3820 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 3821 | int sta_idx = cb->args[2]; |
2ec600d6 | 3822 | int err; |
2ec600d6 | 3823 | |
1b8ec87a | 3824 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
3825 | if (err) |
3826 | return err; | |
bba95fef | 3827 | |
97990a06 JB |
3828 | if (!wdev->netdev) { |
3829 | err = -EINVAL; | |
3830 | goto out_err; | |
3831 | } | |
3832 | ||
1b8ec87a | 3833 | if (!rdev->ops->dump_station) { |
eec60b03 | 3834 | err = -EOPNOTSUPP; |
bba95fef JB |
3835 | goto out_err; |
3836 | } | |
3837 | ||
bba95fef | 3838 | while (1) { |
f612cedf | 3839 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 3840 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
e35e4d28 | 3841 | mac_addr, &sinfo); |
bba95fef JB |
3842 | if (err == -ENOENT) |
3843 | break; | |
3844 | if (err) | |
3b85875a | 3845 | goto out_err; |
bba95fef JB |
3846 | |
3847 | if (nl80211_send_station(skb, | |
15e47304 | 3848 | NETLINK_CB(cb->skb).portid, |
bba95fef | 3849 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 3850 | rdev, wdev->netdev, mac_addr, |
bba95fef JB |
3851 | &sinfo) < 0) |
3852 | goto out; | |
3853 | ||
3854 | sta_idx++; | |
3855 | } | |
3856 | ||
3857 | ||
3858 | out: | |
97990a06 | 3859 | cb->args[2] = sta_idx; |
bba95fef | 3860 | err = skb->len; |
bba95fef | 3861 | out_err: |
1b8ec87a | 3862 | nl80211_finish_wdev_dump(rdev); |
bba95fef JB |
3863 | |
3864 | return err; | |
2ec600d6 | 3865 | } |
fd5b74dc | 3866 | |
5727ef1b JB |
3867 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
3868 | { | |
4c476991 JB |
3869 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3870 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 3871 | struct station_info sinfo; |
fd5b74dc JB |
3872 | struct sk_buff *msg; |
3873 | u8 *mac_addr = NULL; | |
4c476991 | 3874 | int err; |
fd5b74dc | 3875 | |
2ec600d6 | 3876 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
3877 | |
3878 | if (!info->attrs[NL80211_ATTR_MAC]) | |
3879 | return -EINVAL; | |
3880 | ||
3881 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3882 | ||
4c476991 JB |
3883 | if (!rdev->ops->get_station) |
3884 | return -EOPNOTSUPP; | |
3b85875a | 3885 | |
e35e4d28 | 3886 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 3887 | if (err) |
4c476991 | 3888 | return err; |
2ec600d6 | 3889 | |
fd2120ca | 3890 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 3891 | if (!msg) |
4c476991 | 3892 | return -ENOMEM; |
fd5b74dc | 3893 | |
15e47304 | 3894 | if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, |
66266b3a | 3895 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
3896 | nlmsg_free(msg); |
3897 | return -ENOBUFS; | |
3898 | } | |
3b85875a | 3899 | |
4c476991 | 3900 | return genlmsg_reply(msg, info); |
5727ef1b JB |
3901 | } |
3902 | ||
77ee7c89 JB |
3903 | int cfg80211_check_station_change(struct wiphy *wiphy, |
3904 | struct station_parameters *params, | |
3905 | enum cfg80211_station_type statype) | |
3906 | { | |
3907 | if (params->listen_interval != -1) | |
3908 | return -EINVAL; | |
c72e1140 AN |
3909 | if (params->aid && |
3910 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
77ee7c89 JB |
3911 | return -EINVAL; |
3912 | ||
3913 | /* When you run into this, adjust the code below for the new flag */ | |
3914 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
3915 | ||
3916 | switch (statype) { | |
eef941e6 TP |
3917 | case CFG80211_STA_MESH_PEER_KERNEL: |
3918 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
3919 | /* |
3920 | * No ignoring the TDLS flag here -- the userspace mesh | |
3921 | * code doesn't have the bug of including TDLS in the | |
3922 | * mask everywhere. | |
3923 | */ | |
3924 | if (params->sta_flags_mask & | |
3925 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3926 | BIT(NL80211_STA_FLAG_MFP) | | |
3927 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3928 | return -EINVAL; | |
3929 | break; | |
3930 | case CFG80211_STA_TDLS_PEER_SETUP: | |
3931 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
3932 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
3933 | return -EINVAL; | |
3934 | /* ignore since it can't change */ | |
3935 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3936 | break; | |
3937 | default: | |
3938 | /* disallow mesh-specific things */ | |
3939 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
3940 | return -EINVAL; | |
3941 | if (params->local_pm) | |
3942 | return -EINVAL; | |
3943 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
3944 | return -EINVAL; | |
3945 | } | |
3946 | ||
3947 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
3948 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
3949 | /* TDLS can't be set, ... */ | |
3950 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
3951 | return -EINVAL; | |
3952 | /* | |
3953 | * ... but don't bother the driver with it. This works around | |
3954 | * a hostapd/wpa_supplicant issue -- it always includes the | |
3955 | * TLDS_PEER flag in the mask even for AP mode. | |
3956 | */ | |
3957 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3958 | } | |
3959 | ||
3960 | if (statype != CFG80211_STA_TDLS_PEER_SETUP) { | |
3961 | /* reject other things that can't change */ | |
3962 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
3963 | return -EINVAL; | |
3964 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
3965 | return -EINVAL; | |
3966 | if (params->supported_rates) | |
3967 | return -EINVAL; | |
3968 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
3969 | return -EINVAL; | |
3970 | } | |
3971 | ||
3972 | if (statype != CFG80211_STA_AP_CLIENT) { | |
3973 | if (params->vlan) | |
3974 | return -EINVAL; | |
3975 | } | |
3976 | ||
3977 | switch (statype) { | |
3978 | case CFG80211_STA_AP_MLME_CLIENT: | |
3979 | /* Use this only for authorizing/unauthorizing a station */ | |
3980 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
3981 | return -EOPNOTSUPP; | |
3982 | break; | |
3983 | case CFG80211_STA_AP_CLIENT: | |
3984 | /* accept only the listed bits */ | |
3985 | if (params->sta_flags_mask & | |
3986 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
3987 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3988 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
3989 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
3990 | BIT(NL80211_STA_FLAG_WME) | | |
3991 | BIT(NL80211_STA_FLAG_MFP))) | |
3992 | return -EINVAL; | |
3993 | ||
3994 | /* but authenticated/associated only if driver handles it */ | |
3995 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
3996 | params->sta_flags_mask & | |
3997 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
3998 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
3999 | return -EINVAL; | |
4000 | break; | |
4001 | case CFG80211_STA_IBSS: | |
4002 | case CFG80211_STA_AP_STA: | |
4003 | /* reject any changes other than AUTHORIZED */ | |
4004 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4005 | return -EINVAL; | |
4006 | break; | |
4007 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4008 | /* reject any changes other than AUTHORIZED or WME */ | |
4009 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4010 | BIT(NL80211_STA_FLAG_WME))) | |
4011 | return -EINVAL; | |
4012 | /* force (at least) rates when authorizing */ | |
4013 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
4014 | !params->supported_rates) | |
4015 | return -EINVAL; | |
4016 | break; | |
4017 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4018 | /* reject any changes */ | |
4019 | return -EINVAL; | |
eef941e6 | 4020 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
4021 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
4022 | return -EINVAL; | |
4023 | break; | |
eef941e6 | 4024 | case CFG80211_STA_MESH_PEER_USER: |
77ee7c89 JB |
4025 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) |
4026 | return -EINVAL; | |
4027 | break; | |
4028 | } | |
4029 | ||
4030 | return 0; | |
4031 | } | |
4032 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
4033 | ||
5727ef1b | 4034 | /* |
c258d2de | 4035 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 4036 | */ |
80b99899 JB |
4037 | static struct net_device *get_vlan(struct genl_info *info, |
4038 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 4039 | { |
463d0183 | 4040 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
4041 | struct net_device *v; |
4042 | int ret; | |
4043 | ||
4044 | if (!vlanattr) | |
4045 | return NULL; | |
4046 | ||
4047 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
4048 | if (!v) | |
4049 | return ERR_PTR(-ENODEV); | |
4050 | ||
4051 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
4052 | ret = -EINVAL; | |
4053 | goto error; | |
5727ef1b | 4054 | } |
80b99899 | 4055 | |
77ee7c89 JB |
4056 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
4057 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4058 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
4059 | ret = -EINVAL; | |
4060 | goto error; | |
4061 | } | |
4062 | ||
80b99899 JB |
4063 | if (!netif_running(v)) { |
4064 | ret = -ENETDOWN; | |
4065 | goto error; | |
4066 | } | |
4067 | ||
4068 | return v; | |
4069 | error: | |
4070 | dev_put(v); | |
4071 | return ERR_PTR(ret); | |
5727ef1b JB |
4072 | } |
4073 | ||
94e860f1 JB |
4074 | static const struct nla_policy |
4075 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
4076 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
4077 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
4078 | }; | |
4079 | ||
ff276691 JB |
4080 | static int nl80211_parse_sta_wme(struct genl_info *info, |
4081 | struct station_parameters *params) | |
df881293 | 4082 | { |
df881293 JM |
4083 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
4084 | struct nlattr *nla; | |
4085 | int err; | |
4086 | ||
df881293 JM |
4087 | /* parse WME attributes if present */ |
4088 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
4089 | return 0; | |
4090 | ||
4091 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4092 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
4093 | nl80211_sta_wme_policy); | |
4094 | if (err) | |
4095 | return err; | |
4096 | ||
4097 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4098 | params->uapsd_queues = nla_get_u8( | |
4099 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4100 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4101 | return -EINVAL; | |
4102 | ||
4103 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4104 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4105 | ||
4106 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4107 | return -EINVAL; | |
4108 | ||
4109 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4110 | ||
4111 | return 0; | |
4112 | } | |
4113 | ||
c01fc9ad SD |
4114 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4115 | struct station_parameters *params) | |
4116 | { | |
4117 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4118 | params->supported_channels = | |
4119 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4120 | params->supported_channels_len = | |
4121 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4122 | /* | |
4123 | * Need to include at least one (first channel, number of | |
4124 | * channels) tuple for each subband, and must have proper | |
4125 | * tuples for the rest of the data as well. | |
4126 | */ | |
4127 | if (params->supported_channels_len < 2) | |
4128 | return -EINVAL; | |
4129 | if (params->supported_channels_len % 2) | |
4130 | return -EINVAL; | |
4131 | } | |
4132 | ||
4133 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4134 | params->supported_oper_classes = | |
4135 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4136 | params->supported_oper_classes_len = | |
4137 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4138 | /* | |
4139 | * The value of the Length field of the Supported Operating | |
4140 | * Classes element is between 2 and 253. | |
4141 | */ | |
4142 | if (params->supported_oper_classes_len < 2 || | |
4143 | params->supported_oper_classes_len > 253) | |
4144 | return -EINVAL; | |
4145 | } | |
4146 | return 0; | |
4147 | } | |
4148 | ||
ff276691 JB |
4149 | static int nl80211_set_station_tdls(struct genl_info *info, |
4150 | struct station_parameters *params) | |
4151 | { | |
c01fc9ad | 4152 | int err; |
ff276691 | 4153 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4154 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4155 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4156 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4157 | params->ht_capa = | |
4158 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4159 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4160 | params->vht_capa = | |
4161 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4162 | ||
c01fc9ad SD |
4163 | err = nl80211_parse_sta_channel_info(info, params); |
4164 | if (err) | |
4165 | return err; | |
4166 | ||
ff276691 JB |
4167 | return nl80211_parse_sta_wme(info, params); |
4168 | } | |
4169 | ||
5727ef1b JB |
4170 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4171 | { | |
4c476991 | 4172 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4173 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4174 | struct station_parameters params; |
77ee7c89 JB |
4175 | u8 *mac_addr; |
4176 | int err; | |
5727ef1b JB |
4177 | |
4178 | memset(¶ms, 0, sizeof(params)); | |
4179 | ||
4180 | params.listen_interval = -1; | |
4181 | ||
77ee7c89 JB |
4182 | if (!rdev->ops->change_station) |
4183 | return -EOPNOTSUPP; | |
4184 | ||
5727ef1b JB |
4185 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4186 | return -EINVAL; | |
4187 | ||
4188 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4189 | return -EINVAL; | |
4190 | ||
4191 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4192 | ||
4193 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4194 | params.supported_rates = | |
4195 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4196 | params.supported_rates_len = | |
4197 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4198 | } | |
4199 | ||
9d62a986 JM |
4200 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4201 | params.capability = | |
4202 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4203 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4204 | } | |
4205 | ||
4206 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4207 | params.ext_capab = | |
4208 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4209 | params.ext_capab_len = | |
4210 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4211 | } | |
4212 | ||
df881293 | 4213 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
ba23d206 | 4214 | return -EINVAL; |
36aedc90 | 4215 | |
bdd3ae3d | 4216 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4217 | return -EINVAL; |
4218 | ||
f8bacc21 | 4219 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4220 | params.plink_action = |
f8bacc21 JB |
4221 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4222 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4223 | return -EINVAL; | |
4224 | } | |
2ec600d6 | 4225 | |
f8bacc21 | 4226 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4227 | params.plink_state = |
f8bacc21 JB |
4228 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4229 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4230 | return -EINVAL; | |
4231 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; | |
4232 | } | |
9c3990aa | 4233 | |
3b1c5a53 MP |
4234 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4235 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4236 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4237 | ||
4238 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4239 | pm > NL80211_MESH_POWER_MAX) | |
4240 | return -EINVAL; | |
4241 | ||
4242 | params.local_pm = pm; | |
4243 | } | |
4244 | ||
77ee7c89 JB |
4245 | /* Include parameters for TDLS peer (will check later) */ |
4246 | err = nl80211_set_station_tdls(info, ¶ms); | |
4247 | if (err) | |
4248 | return err; | |
4249 | ||
4250 | params.vlan = get_vlan(info, rdev); | |
4251 | if (IS_ERR(params.vlan)) | |
4252 | return PTR_ERR(params.vlan); | |
4253 | ||
a97f4424 JB |
4254 | switch (dev->ieee80211_ptr->iftype) { |
4255 | case NL80211_IFTYPE_AP: | |
4256 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4257 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4258 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4259 | case NL80211_IFTYPE_STATION: |
267335d6 | 4260 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4261 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4262 | break; |
4263 | default: | |
77ee7c89 JB |
4264 | err = -EOPNOTSUPP; |
4265 | goto out_put_vlan; | |
034d655e JB |
4266 | } |
4267 | ||
77ee7c89 | 4268 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4269 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4270 | |
77ee7c89 | 4271 | out_put_vlan: |
5727ef1b JB |
4272 | if (params.vlan) |
4273 | dev_put(params.vlan); | |
3b85875a | 4274 | |
5727ef1b JB |
4275 | return err; |
4276 | } | |
4277 | ||
4278 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4279 | { | |
4c476991 | 4280 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4281 | int err; |
4c476991 | 4282 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4283 | struct station_parameters params; |
4284 | u8 *mac_addr = NULL; | |
4285 | ||
4286 | memset(¶ms, 0, sizeof(params)); | |
4287 | ||
984c311b JB |
4288 | if (!rdev->ops->add_station) |
4289 | return -EOPNOTSUPP; | |
4290 | ||
5727ef1b JB |
4291 | if (!info->attrs[NL80211_ATTR_MAC]) |
4292 | return -EINVAL; | |
4293 | ||
5727ef1b JB |
4294 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4295 | return -EINVAL; | |
4296 | ||
4297 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4298 | return -EINVAL; | |
4299 | ||
5e4b6f56 JM |
4300 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4301 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4302 | return -EINVAL; |
4303 | ||
5727ef1b JB |
4304 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4305 | params.supported_rates = | |
4306 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4307 | params.supported_rates_len = | |
4308 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4309 | params.listen_interval = | |
4310 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4311 | |
3d124ea2 | 4312 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4313 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4314 | else |
4315 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4316 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4317 | return -EINVAL; | |
51b50fbe | 4318 | |
9d62a986 JM |
4319 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4320 | params.capability = | |
4321 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4322 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4323 | } | |
4324 | ||
4325 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4326 | params.ext_capab = | |
4327 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4328 | params.ext_capab_len = | |
4329 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4330 | } | |
4331 | ||
36aedc90 JM |
4332 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4333 | params.ht_capa = | |
4334 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4335 | |
f461be3e MP |
4336 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4337 | params.vht_capa = | |
4338 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4339 | ||
60f4a7b1 MK |
4340 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4341 | params.opmode_notif_used = true; | |
4342 | params.opmode_notif = | |
4343 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4344 | } | |
4345 | ||
f8bacc21 | 4346 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4347 | params.plink_action = |
f8bacc21 JB |
4348 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4349 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4350 | return -EINVAL; | |
4351 | } | |
96b78dff | 4352 | |
c01fc9ad SD |
4353 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4354 | if (err) | |
4355 | return err; | |
4356 | ||
ff276691 JB |
4357 | err = nl80211_parse_sta_wme(info, ¶ms); |
4358 | if (err) | |
4359 | return err; | |
bdd90d5e | 4360 | |
bdd3ae3d | 4361 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4362 | return -EINVAL; |
4363 | ||
77ee7c89 JB |
4364 | /* When you run into this, adjust the code below for the new flag */ |
4365 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4366 | ||
bdd90d5e JB |
4367 | switch (dev->ieee80211_ptr->iftype) { |
4368 | case NL80211_IFTYPE_AP: | |
4369 | case NL80211_IFTYPE_AP_VLAN: | |
4370 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4371 | /* ignore WME attributes if iface/sta is not capable */ |
4372 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4373 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4374 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4375 | |
bdd90d5e | 4376 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4377 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4378 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4379 | return -EINVAL; |
bdd90d5e JB |
4380 | /* but don't bother the driver with it */ |
4381 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4382 | |
d582cffb JB |
4383 | /* allow authenticated/associated only if driver handles it */ |
4384 | if (!(rdev->wiphy.features & | |
4385 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4386 | params.sta_flags_mask & | |
4387 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4388 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4389 | return -EINVAL; | |
4390 | ||
bdd90d5e JB |
4391 | /* must be last in here for error handling */ |
4392 | params.vlan = get_vlan(info, rdev); | |
4393 | if (IS_ERR(params.vlan)) | |
4394 | return PTR_ERR(params.vlan); | |
4395 | break; | |
4396 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
4397 | /* ignore uAPSD data */ |
4398 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4399 | ||
d582cffb JB |
4400 | /* associated is disallowed */ |
4401 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
4402 | return -EINVAL; | |
bdd90d5e | 4403 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4404 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4405 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
4406 | return -EINVAL; |
4407 | break; | |
4408 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 4409 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
4410 | /* ignore uAPSD data */ |
4411 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
4412 | ||
77ee7c89 JB |
4413 | /* these are disallowed */ |
4414 | if (params.sta_flags_mask & | |
4415 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4416 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 4417 | return -EINVAL; |
bdd90d5e JB |
4418 | /* Only TDLS peers can be added */ |
4419 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4420 | return -EINVAL; | |
4421 | /* Can only add if TDLS ... */ | |
4422 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
4423 | return -EOPNOTSUPP; | |
4424 | /* ... with external setup is supported */ | |
4425 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
4426 | return -EOPNOTSUPP; | |
77ee7c89 JB |
4427 | /* |
4428 | * Older wpa_supplicant versions always mark the TDLS peer | |
4429 | * as authorized, but it shouldn't yet be. | |
4430 | */ | |
4431 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
4432 | break; |
4433 | default: | |
4434 | return -EOPNOTSUPP; | |
c75786c9 EP |
4435 | } |
4436 | ||
bdd90d5e | 4437 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 4438 | |
e35e4d28 | 4439 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4440 | |
5727ef1b JB |
4441 | if (params.vlan) |
4442 | dev_put(params.vlan); | |
5727ef1b JB |
4443 | return err; |
4444 | } | |
4445 | ||
4446 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
4447 | { | |
4c476991 JB |
4448 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4449 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
4450 | struct station_del_parameters params; |
4451 | ||
4452 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
4453 | |
4454 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 4455 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 4456 | |
e80cf853 | 4457 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 4458 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 4459 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
4460 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4461 | return -EINVAL; | |
5727ef1b | 4462 | |
4c476991 JB |
4463 | if (!rdev->ops->del_station) |
4464 | return -EOPNOTSUPP; | |
3b85875a | 4465 | |
98856866 JM |
4466 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
4467 | params.subtype = | |
4468 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
4469 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
4470 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
4471 | return -EINVAL; | |
4472 | } else { | |
4473 | /* Default to Deauthentication frame */ | |
4474 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
4475 | } | |
4476 | ||
4477 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
4478 | params.reason_code = | |
4479 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
4480 | if (params.reason_code == 0) | |
4481 | return -EINVAL; /* 0 is reserved */ | |
4482 | } else { | |
4483 | /* Default to reason code 2 */ | |
4484 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
4485 | } | |
4486 | ||
89c771e5 | 4487 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
4488 | } |
4489 | ||
15e47304 | 4490 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
4491 | int flags, struct net_device *dev, |
4492 | u8 *dst, u8 *next_hop, | |
4493 | struct mpath_info *pinfo) | |
4494 | { | |
4495 | void *hdr; | |
4496 | struct nlattr *pinfoattr; | |
4497 | ||
1ef4c850 | 4498 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
4499 | if (!hdr) |
4500 | return -1; | |
4501 | ||
9360ffd1 DM |
4502 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4503 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
4504 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
4505 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
4506 | goto nla_put_failure; | |
f5ea9120 | 4507 | |
2ec600d6 LCC |
4508 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
4509 | if (!pinfoattr) | |
4510 | goto nla_put_failure; | |
9360ffd1 DM |
4511 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
4512 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
4513 | pinfo->frame_qlen)) | |
4514 | goto nla_put_failure; | |
4515 | if (((pinfo->filled & MPATH_INFO_SN) && | |
4516 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
4517 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
4518 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
4519 | pinfo->metric)) || | |
4520 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
4521 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
4522 | pinfo->exptime)) || | |
4523 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
4524 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
4525 | pinfo->flags)) || | |
4526 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
4527 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
4528 | pinfo->discovery_timeout)) || | |
4529 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
4530 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
4531 | pinfo->discovery_retries))) | |
4532 | goto nla_put_failure; | |
2ec600d6 LCC |
4533 | |
4534 | nla_nest_end(msg, pinfoattr); | |
4535 | ||
4536 | return genlmsg_end(msg, hdr); | |
4537 | ||
4538 | nla_put_failure: | |
bc3ed28c TG |
4539 | genlmsg_cancel(msg, hdr); |
4540 | return -EMSGSIZE; | |
2ec600d6 LCC |
4541 | } |
4542 | ||
4543 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 4544 | struct netlink_callback *cb) |
2ec600d6 | 4545 | { |
2ec600d6 | 4546 | struct mpath_info pinfo; |
1b8ec87a | 4547 | struct cfg80211_registered_device *rdev; |
97990a06 | 4548 | struct wireless_dev *wdev; |
2ec600d6 LCC |
4549 | u8 dst[ETH_ALEN]; |
4550 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 4551 | int path_idx = cb->args[2]; |
2ec600d6 | 4552 | int err; |
2ec600d6 | 4553 | |
1b8ec87a | 4554 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
4555 | if (err) |
4556 | return err; | |
bba95fef | 4557 | |
1b8ec87a | 4558 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 4559 | err = -EOPNOTSUPP; |
bba95fef JB |
4560 | goto out_err; |
4561 | } | |
4562 | ||
97990a06 | 4563 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 4564 | err = -EOPNOTSUPP; |
0448b5fc | 4565 | goto out_err; |
eec60b03 JM |
4566 | } |
4567 | ||
bba95fef | 4568 | while (1) { |
1b8ec87a | 4569 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 4570 | next_hop, &pinfo); |
bba95fef | 4571 | if (err == -ENOENT) |
2ec600d6 | 4572 | break; |
bba95fef | 4573 | if (err) |
3b85875a | 4574 | goto out_err; |
2ec600d6 | 4575 | |
15e47304 | 4576 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 4577 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 4578 | wdev->netdev, dst, next_hop, |
bba95fef JB |
4579 | &pinfo) < 0) |
4580 | goto out; | |
2ec600d6 | 4581 | |
bba95fef | 4582 | path_idx++; |
2ec600d6 | 4583 | } |
2ec600d6 | 4584 | |
2ec600d6 | 4585 | |
bba95fef | 4586 | out: |
97990a06 | 4587 | cb->args[2] = path_idx; |
bba95fef | 4588 | err = skb->len; |
bba95fef | 4589 | out_err: |
1b8ec87a | 4590 | nl80211_finish_wdev_dump(rdev); |
bba95fef | 4591 | return err; |
2ec600d6 LCC |
4592 | } |
4593 | ||
4594 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
4595 | { | |
4c476991 | 4596 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 4597 | int err; |
4c476991 | 4598 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
4599 | struct mpath_info pinfo; |
4600 | struct sk_buff *msg; | |
4601 | u8 *dst = NULL; | |
4602 | u8 next_hop[ETH_ALEN]; | |
4603 | ||
4604 | memset(&pinfo, 0, sizeof(pinfo)); | |
4605 | ||
4606 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4607 | return -EINVAL; | |
4608 | ||
4609 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4610 | ||
4c476991 JB |
4611 | if (!rdev->ops->get_mpath) |
4612 | return -EOPNOTSUPP; | |
2ec600d6 | 4613 | |
4c476991 JB |
4614 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4615 | return -EOPNOTSUPP; | |
eec60b03 | 4616 | |
e35e4d28 | 4617 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 4618 | if (err) |
4c476991 | 4619 | return err; |
2ec600d6 | 4620 | |
fd2120ca | 4621 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 4622 | if (!msg) |
4c476991 | 4623 | return -ENOMEM; |
2ec600d6 | 4624 | |
15e47304 | 4625 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
4626 | dev, dst, next_hop, &pinfo) < 0) { |
4627 | nlmsg_free(msg); | |
4628 | return -ENOBUFS; | |
4629 | } | |
3b85875a | 4630 | |
4c476991 | 4631 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
4632 | } |
4633 | ||
4634 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
4635 | { | |
4c476991 JB |
4636 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4637 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4638 | u8 *dst = NULL; |
4639 | u8 *next_hop = NULL; | |
4640 | ||
4641 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4642 | return -EINVAL; | |
4643 | ||
4644 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4645 | return -EINVAL; | |
4646 | ||
4647 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4648 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4649 | ||
4c476991 JB |
4650 | if (!rdev->ops->change_mpath) |
4651 | return -EOPNOTSUPP; | |
35a8efe1 | 4652 | |
4c476991 JB |
4653 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4654 | return -EOPNOTSUPP; | |
2ec600d6 | 4655 | |
e35e4d28 | 4656 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 4657 | } |
4c476991 | 4658 | |
2ec600d6 LCC |
4659 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
4660 | { | |
4c476991 JB |
4661 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4662 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4663 | u8 *dst = NULL; |
4664 | u8 *next_hop = NULL; | |
4665 | ||
4666 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4667 | return -EINVAL; | |
4668 | ||
4669 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
4670 | return -EINVAL; | |
4671 | ||
4672 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4673 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
4674 | ||
4c476991 JB |
4675 | if (!rdev->ops->add_mpath) |
4676 | return -EOPNOTSUPP; | |
35a8efe1 | 4677 | |
4c476991 JB |
4678 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
4679 | return -EOPNOTSUPP; | |
2ec600d6 | 4680 | |
e35e4d28 | 4681 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
4682 | } |
4683 | ||
4684 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
4685 | { | |
4c476991 JB |
4686 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4687 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
4688 | u8 *dst = NULL; |
4689 | ||
4690 | if (info->attrs[NL80211_ATTR_MAC]) | |
4691 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4692 | ||
4c476991 JB |
4693 | if (!rdev->ops->del_mpath) |
4694 | return -EOPNOTSUPP; | |
3b85875a | 4695 | |
e35e4d28 | 4696 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
4697 | } |
4698 | ||
66be7d2b HR |
4699 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
4700 | { | |
4701 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4702 | int err; | |
4703 | struct net_device *dev = info->user_ptr[1]; | |
4704 | struct mpath_info pinfo; | |
4705 | struct sk_buff *msg; | |
4706 | u8 *dst = NULL; | |
4707 | u8 mpp[ETH_ALEN]; | |
4708 | ||
4709 | memset(&pinfo, 0, sizeof(pinfo)); | |
4710 | ||
4711 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4712 | return -EINVAL; | |
4713 | ||
4714 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4715 | ||
4716 | if (!rdev->ops->get_mpp) | |
4717 | return -EOPNOTSUPP; | |
4718 | ||
4719 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
4720 | return -EOPNOTSUPP; | |
4721 | ||
4722 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
4723 | if (err) | |
4724 | return err; | |
4725 | ||
4726 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4727 | if (!msg) | |
4728 | return -ENOMEM; | |
4729 | ||
4730 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
4731 | dev, dst, mpp, &pinfo) < 0) { | |
4732 | nlmsg_free(msg); | |
4733 | return -ENOBUFS; | |
4734 | } | |
4735 | ||
4736 | return genlmsg_reply(msg, info); | |
4737 | } | |
4738 | ||
4739 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
4740 | struct netlink_callback *cb) | |
4741 | { | |
4742 | struct mpath_info pinfo; | |
4743 | struct cfg80211_registered_device *rdev; | |
4744 | struct wireless_dev *wdev; | |
4745 | u8 dst[ETH_ALEN]; | |
4746 | u8 mpp[ETH_ALEN]; | |
4747 | int path_idx = cb->args[2]; | |
4748 | int err; | |
4749 | ||
4750 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); | |
4751 | if (err) | |
4752 | return err; | |
4753 | ||
4754 | if (!rdev->ops->dump_mpp) { | |
4755 | err = -EOPNOTSUPP; | |
4756 | goto out_err; | |
4757 | } | |
4758 | ||
4759 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
4760 | err = -EOPNOTSUPP; | |
4761 | goto out_err; | |
4762 | } | |
4763 | ||
4764 | while (1) { | |
4765 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
4766 | mpp, &pinfo); | |
4767 | if (err == -ENOENT) | |
4768 | break; | |
4769 | if (err) | |
4770 | goto out_err; | |
4771 | ||
4772 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
4773 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
4774 | wdev->netdev, dst, mpp, | |
4775 | &pinfo) < 0) | |
4776 | goto out; | |
4777 | ||
4778 | path_idx++; | |
4779 | } | |
4780 | ||
4781 | out: | |
4782 | cb->args[2] = path_idx; | |
4783 | err = skb->len; | |
4784 | out_err: | |
4785 | nl80211_finish_wdev_dump(rdev); | |
4786 | return err; | |
4787 | } | |
4788 | ||
9f1ba906 JM |
4789 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
4790 | { | |
4c476991 JB |
4791 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4792 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 4793 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 4794 | struct bss_parameters params; |
c56589ed | 4795 | int err; |
9f1ba906 JM |
4796 | |
4797 | memset(¶ms, 0, sizeof(params)); | |
4798 | /* default to not changing parameters */ | |
4799 | params.use_cts_prot = -1; | |
4800 | params.use_short_preamble = -1; | |
4801 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 4802 | params.ap_isolate = -1; |
50b12f59 | 4803 | params.ht_opmode = -1; |
53cabad7 JB |
4804 | params.p2p_ctwindow = -1; |
4805 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
4806 | |
4807 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
4808 | params.use_cts_prot = | |
4809 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
4810 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
4811 | params.use_short_preamble = | |
4812 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
4813 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
4814 | params.use_short_slot_time = | |
4815 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
4816 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
4817 | params.basic_rates = | |
4818 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4819 | params.basic_rates_len = | |
4820 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
4821 | } | |
fd8aaaf3 FF |
4822 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
4823 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
4824 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
4825 | params.ht_opmode = | |
4826 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 4827 | |
53cabad7 JB |
4828 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4829 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4830 | return -EINVAL; | |
4831 | params.p2p_ctwindow = | |
4832 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4833 | if (params.p2p_ctwindow < 0) | |
4834 | return -EINVAL; | |
4835 | if (params.p2p_ctwindow != 0 && | |
4836 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4837 | return -EINVAL; | |
4838 | } | |
4839 | ||
4840 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4841 | u8 tmp; | |
4842 | ||
4843 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4844 | return -EINVAL; | |
4845 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4846 | if (tmp > 1) | |
4847 | return -EINVAL; | |
4848 | params.p2p_opp_ps = tmp; | |
4849 | if (params.p2p_opp_ps && | |
4850 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4851 | return -EINVAL; | |
4852 | } | |
4853 | ||
4c476991 JB |
4854 | if (!rdev->ops->change_bss) |
4855 | return -EOPNOTSUPP; | |
9f1ba906 | 4856 | |
074ac8df | 4857 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
4858 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
4859 | return -EOPNOTSUPP; | |
3b85875a | 4860 | |
c56589ed SW |
4861 | wdev_lock(wdev); |
4862 | err = rdev_change_bss(rdev, dev, ¶ms); | |
4863 | wdev_unlock(wdev); | |
4864 | ||
4865 | return err; | |
9f1ba906 JM |
4866 | } |
4867 | ||
b54452b0 | 4868 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
b2e1b302 LR |
4869 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
4870 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
4871 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
4872 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
4873 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
4874 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
089027e5 | 4875 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, |
b2e1b302 LR |
4876 | }; |
4877 | ||
4878 | static int parse_reg_rule(struct nlattr *tb[], | |
4879 | struct ieee80211_reg_rule *reg_rule) | |
4880 | { | |
4881 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
4882 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
4883 | ||
4884 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
4885 | return -EINVAL; | |
4886 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
4887 | return -EINVAL; | |
4888 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
4889 | return -EINVAL; | |
b0dfd2ea JD |
4890 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) |
4891 | return -EINVAL; | |
b2e1b302 LR |
4892 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) |
4893 | return -EINVAL; | |
4894 | ||
4895 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
4896 | ||
4897 | freq_range->start_freq_khz = | |
4898 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
4899 | freq_range->end_freq_khz = | |
4900 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
b0dfd2ea JD |
4901 | freq_range->max_bandwidth_khz = |
4902 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
b2e1b302 LR |
4903 | |
4904 | power_rule->max_eirp = | |
4905 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
4906 | ||
4907 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
4908 | power_rule->max_antenna_gain = | |
4909 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
4910 | ||
089027e5 JD |
4911 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) |
4912 | reg_rule->dfs_cac_ms = | |
4913 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
4914 | ||
b2e1b302 LR |
4915 | return 0; |
4916 | } | |
4917 | ||
4918 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
4919 | { | |
b2e1b302 | 4920 | char *data = NULL; |
57b5ce07 | 4921 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
b2e1b302 | 4922 | |
80778f18 LR |
4923 | /* |
4924 | * You should only get this when cfg80211 hasn't yet initialized | |
4925 | * completely when built-in to the kernel right between the time | |
4926 | * window between nl80211_init() and regulatory_init(), if that is | |
4927 | * even possible. | |
4928 | */ | |
458f4f9e | 4929 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 4930 | return -EINPROGRESS; |
80778f18 | 4931 | |
57b5ce07 LR |
4932 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
4933 | user_reg_hint_type = | |
4934 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
4935 | else | |
4936 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
4937 | ||
4938 | switch (user_reg_hint_type) { | |
4939 | case NL80211_USER_REG_HINT_USER: | |
4940 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
4941 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
4942 | return -EINVAL; | |
4943 | ||
4944 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
4945 | return regulatory_hint_user(data, user_reg_hint_type); | |
4946 | case NL80211_USER_REG_HINT_INDOOR: | |
4947 | return regulatory_hint_indoor_user(); | |
57b5ce07 LR |
4948 | default: |
4949 | return -EINVAL; | |
4950 | } | |
b2e1b302 LR |
4951 | } |
4952 | ||
24bdd9f4 | 4953 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 4954 | struct genl_info *info) |
93da9cc1 | 4955 | { |
4c476991 | 4956 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4957 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
4958 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4959 | struct mesh_config cur_params; | |
4960 | int err = 0; | |
93da9cc1 | 4961 | void *hdr; |
4962 | struct nlattr *pinfoattr; | |
4963 | struct sk_buff *msg; | |
4964 | ||
29cbe68c JB |
4965 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
4966 | return -EOPNOTSUPP; | |
4967 | ||
24bdd9f4 | 4968 | if (!rdev->ops->get_mesh_config) |
4c476991 | 4969 | return -EOPNOTSUPP; |
f3f92586 | 4970 | |
29cbe68c JB |
4971 | wdev_lock(wdev); |
4972 | /* If not connected, get default parameters */ | |
4973 | if (!wdev->mesh_id_len) | |
4974 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
4975 | else | |
e35e4d28 | 4976 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
4977 | wdev_unlock(wdev); |
4978 | ||
93da9cc1 | 4979 | if (err) |
4c476991 | 4980 | return err; |
93da9cc1 | 4981 | |
4982 | /* Draw up a netlink message to send back */ | |
fd2120ca | 4983 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4984 | if (!msg) |
4985 | return -ENOMEM; | |
15e47304 | 4986 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 4987 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 4988 | if (!hdr) |
efe1cf0c | 4989 | goto out; |
24bdd9f4 | 4990 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 4991 | if (!pinfoattr) |
4992 | goto nla_put_failure; | |
9360ffd1 DM |
4993 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4994 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
4995 | cur_params.dot11MeshRetryTimeout) || | |
4996 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
4997 | cur_params.dot11MeshConfirmTimeout) || | |
4998 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
4999 | cur_params.dot11MeshHoldingTimeout) || | |
5000 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
5001 | cur_params.dot11MeshMaxPeerLinks) || | |
5002 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
5003 | cur_params.dot11MeshMaxRetries) || | |
5004 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
5005 | cur_params.dot11MeshTTL) || | |
5006 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
5007 | cur_params.element_ttl) || | |
5008 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
5009 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
5010 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5011 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
5012 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5013 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
5014 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
5015 | cur_params.path_refresh_time) || | |
5016 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
5017 | cur_params.min_discovery_timeout) || | |
5018 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
5019 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
5020 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
5021 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
5022 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
5023 | cur_params.dot11MeshHWMPperrMinInterval) || | |
5024 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
5025 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
5026 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5027 | cur_params.dot11MeshHWMPRootMode) || | |
5028 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
5029 | cur_params.dot11MeshHWMPRannInterval) || | |
5030 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
5031 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
5032 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
5033 | cur_params.dot11MeshForwarding) || | |
5034 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
5035 | cur_params.rssi_threshold) || |
5036 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
5037 | cur_params.ht_opmode) || |
5038 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
5039 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
5040 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
5041 | cur_params.dot11MeshHWMProotInterval) || |
5042 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
5043 | cur_params.dot11MeshHWMPconfirmationInterval) || |
5044 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
5045 | cur_params.power_mode) || | |
5046 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
5047 | cur_params.dot11MeshAwakeWindowDuration) || |
5048 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5049 | cur_params.plink_timeout)) | |
9360ffd1 | 5050 | goto nla_put_failure; |
93da9cc1 | 5051 | nla_nest_end(msg, pinfoattr); |
5052 | genlmsg_end(msg, hdr); | |
4c476991 | 5053 | return genlmsg_reply(msg, info); |
93da9cc1 | 5054 | |
3b85875a | 5055 | nla_put_failure: |
93da9cc1 | 5056 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 5057 | out: |
d080e275 | 5058 | nlmsg_free(msg); |
4c476991 | 5059 | return -ENOBUFS; |
93da9cc1 | 5060 | } |
5061 | ||
b54452b0 | 5062 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 5063 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
5064 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
5065 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
5066 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
5067 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
5068 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 5069 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 5070 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 5071 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 5072 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
5073 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
5074 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
5075 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
5076 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 5077 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 5078 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 5079 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 5080 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 5081 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 5082 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
5083 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
5084 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
5085 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
5086 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 5087 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
5088 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
5089 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 5090 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 5091 | }; |
5092 | ||
c80d545d JC |
5093 | static const struct nla_policy |
5094 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 5095 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
5096 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
5097 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 5098 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 5099 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 5100 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 5101 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 5102 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 5103 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
5104 | }; |
5105 | ||
24bdd9f4 | 5106 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
5107 | struct mesh_config *cfg, |
5108 | u32 *mask_out) | |
93da9cc1 | 5109 | { |
93da9cc1 | 5110 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 5111 | u32 mask = 0; |
93da9cc1 | 5112 | |
ea54fba2 MP |
5113 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
5114 | do { \ | |
5115 | if (tb[attr]) { \ | |
5116 | if (fn(tb[attr]) < min || fn(tb[attr]) > max) \ | |
5117 | return -EINVAL; \ | |
5118 | cfg->param = fn(tb[attr]); \ | |
5119 | mask |= (1 << (attr - 1)); \ | |
5120 | } \ | |
5121 | } while (0) | |
bd90fdcc JB |
5122 | |
5123 | ||
24bdd9f4 | 5124 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 5125 | return -EINVAL; |
5126 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 5127 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 5128 | nl80211_meshconf_params_policy)) |
93da9cc1 | 5129 | return -EINVAL; |
5130 | ||
93da9cc1 | 5131 | /* This makes sure that there aren't more than 32 mesh config |
5132 | * parameters (otherwise our bitfield scheme would not work.) */ | |
5133 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
5134 | ||
5135 | /* Fill in the params struct */ | |
ea54fba2 | 5136 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea CYY |
5137 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
5138 | nla_get_u16); | |
ea54fba2 | 5139 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea CYY |
5140 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
5141 | nla_get_u16); | |
ea54fba2 | 5142 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea CYY |
5143 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
5144 | nla_get_u16); | |
ea54fba2 | 5145 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea CYY |
5146 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
5147 | nla_get_u16); | |
ea54fba2 | 5148 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea CYY |
5149 | mask, NL80211_MESHCONF_MAX_RETRIES, |
5150 | nla_get_u8); | |
ea54fba2 | 5151 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
a4f606ea | 5152 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
ea54fba2 | 5153 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea CYY |
5154 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
5155 | nla_get_u8); | |
ea54fba2 | 5156 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea CYY |
5157 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
5158 | nla_get_u8); | |
ea54fba2 MP |
5159 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
5160 | 1, 255, mask, | |
a4f606ea CYY |
5161 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5162 | nla_get_u32); | |
ea54fba2 | 5163 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea CYY |
5164 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5165 | nla_get_u8); | |
ea54fba2 | 5166 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea CYY |
5167 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
5168 | nla_get_u32); | |
ea54fba2 | 5169 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea CYY |
5170 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
5171 | nla_get_u16); | |
ea54fba2 MP |
5172 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
5173 | 1, 65535, mask, | |
a4f606ea CYY |
5174 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
5175 | nla_get_u32); | |
93da9cc1 | 5176 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
5177 | 1, 65535, mask, |
5178 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
a4f606ea | 5179 | nla_get_u16); |
dca7e943 | 5180 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
5181 | 1, 65535, mask, |
5182 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
a4f606ea | 5183 | nla_get_u16); |
93da9cc1 | 5184 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5185 | dot11MeshHWMPnetDiameterTraversalTime, |
5186 | 1, 65535, mask, | |
a4f606ea CYY |
5187 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
5188 | nla_get_u16); | |
ea54fba2 MP |
5189 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
5190 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5191 | nla_get_u8); | |
5192 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, | |
5193 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
a4f606ea | 5194 | nla_get_u16); |
63c5723b | 5195 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5196 | dot11MeshGateAnnouncementProtocol, 0, 1, |
5197 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
a4f606ea | 5198 | nla_get_u8); |
ea54fba2 | 5199 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea CYY |
5200 | mask, NL80211_MESHCONF_FORWARDING, |
5201 | nla_get_u8); | |
83374fe9 | 5202 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5203 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
83374fe9 | 5204 | nla_get_s32); |
ea54fba2 | 5205 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, |
a4f606ea | 5206 | mask, NL80211_MESHCONF_HT_OPMODE, |
ac1073a6 CYY |
5207 | nla_get_u16); |
5208 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, | |
ea54fba2 | 5209 | 1, 65535, mask, |
ac1073a6 CYY |
5210 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
5211 | nla_get_u32); | |
ea54fba2 | 5212 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 5213 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
728b19e5 CYY |
5214 | nla_get_u16); |
5215 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
ea54fba2 MP |
5216 | dot11MeshHWMPconfirmationInterval, |
5217 | 1, 65535, mask, | |
728b19e5 | 5218 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
a4f606ea | 5219 | nla_get_u16); |
3b1c5a53 MP |
5220 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
5221 | NL80211_MESH_POWER_ACTIVE, | |
5222 | NL80211_MESH_POWER_MAX, | |
5223 | mask, NL80211_MESHCONF_POWER_MODE, | |
5224 | nla_get_u32); | |
5225 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, | |
5226 | 0, 65535, mask, | |
5227 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
8e7c0538 CT |
5228 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff, |
5229 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5230 | nla_get_u32); | |
bd90fdcc JB |
5231 | if (mask_out) |
5232 | *mask_out = mask; | |
c80d545d | 5233 | |
bd90fdcc JB |
5234 | return 0; |
5235 | ||
5236 | #undef FILL_IN_MESH_PARAM_IF_SET | |
5237 | } | |
5238 | ||
c80d545d JC |
5239 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
5240 | struct mesh_setup *setup) | |
5241 | { | |
bb2798d4 | 5242 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
5243 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
5244 | ||
5245 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
5246 | return -EINVAL; | |
5247 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
5248 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
5249 | nl80211_mesh_setup_params_policy)) | |
5250 | return -EINVAL; | |
5251 | ||
d299a1f2 JC |
5252 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
5253 | setup->sync_method = | |
5254 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
5255 | IEEE80211_SYNC_METHOD_VENDOR : | |
5256 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
5257 | ||
c80d545d JC |
5258 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
5259 | setup->path_sel_proto = | |
5260 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
5261 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
5262 | IEEE80211_PATH_PROTOCOL_HWMP; | |
5263 | ||
5264 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
5265 | setup->path_metric = | |
5266 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
5267 | IEEE80211_PATH_METRIC_VENDOR : | |
5268 | IEEE80211_PATH_METRIC_AIRTIME; | |
5269 | ||
581a8b0f JC |
5270 | |
5271 | if (tb[NL80211_MESH_SETUP_IE]) { | |
c80d545d | 5272 | struct nlattr *ieattr = |
581a8b0f | 5273 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
5274 | if (!is_valid_ie_attr(ieattr)) |
5275 | return -EINVAL; | |
581a8b0f JC |
5276 | setup->ie = nla_data(ieattr); |
5277 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 5278 | } |
bb2798d4 TP |
5279 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
5280 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
5281 | return -EINVAL; | |
5282 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
5283 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5284 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5285 | if (setup->is_secure) |
5286 | setup->user_mpm = true; | |
c80d545d | 5287 | |
6e16d90b CT |
5288 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
5289 | if (!setup->user_mpm) | |
5290 | return -EINVAL; | |
5291 | setup->auth_id = | |
5292 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
5293 | } | |
5294 | ||
c80d545d JC |
5295 | return 0; |
5296 | } | |
5297 | ||
24bdd9f4 | 5298 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 5299 | struct genl_info *info) |
bd90fdcc JB |
5300 | { |
5301 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5302 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 5303 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
5304 | struct mesh_config cfg; |
5305 | u32 mask; | |
5306 | int err; | |
5307 | ||
29cbe68c JB |
5308 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5309 | return -EOPNOTSUPP; | |
5310 | ||
24bdd9f4 | 5311 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
5312 | return -EOPNOTSUPP; |
5313 | ||
24bdd9f4 | 5314 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
5315 | if (err) |
5316 | return err; | |
5317 | ||
29cbe68c JB |
5318 | wdev_lock(wdev); |
5319 | if (!wdev->mesh_id_len) | |
5320 | err = -ENOLINK; | |
5321 | ||
5322 | if (!err) | |
e35e4d28 | 5323 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
5324 | |
5325 | wdev_unlock(wdev); | |
5326 | ||
5327 | return err; | |
93da9cc1 | 5328 | } |
5329 | ||
ad30ca2c AN |
5330 | static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom, |
5331 | struct sk_buff *msg) | |
f130347c | 5332 | { |
f130347c LR |
5333 | struct nlattr *nl_reg_rules; |
5334 | unsigned int i; | |
f130347c | 5335 | |
458f4f9e JB |
5336 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || |
5337 | (regdom->dfs_region && | |
5338 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
ad30ca2c | 5339 | goto nla_put_failure; |
458f4f9e | 5340 | |
f130347c LR |
5341 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
5342 | if (!nl_reg_rules) | |
ad30ca2c | 5343 | goto nla_put_failure; |
f130347c | 5344 | |
458f4f9e | 5345 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
5346 | struct nlattr *nl_reg_rule; |
5347 | const struct ieee80211_reg_rule *reg_rule; | |
5348 | const struct ieee80211_freq_range *freq_range; | |
5349 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 5350 | unsigned int max_bandwidth_khz; |
f130347c | 5351 | |
458f4f9e | 5352 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
5353 | freq_range = ®_rule->freq_range; |
5354 | power_rule = ®_rule->power_rule; | |
5355 | ||
5356 | nl_reg_rule = nla_nest_start(msg, i); | |
5357 | if (!nl_reg_rule) | |
ad30ca2c | 5358 | goto nla_put_failure; |
f130347c | 5359 | |
97524820 JD |
5360 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
5361 | if (!max_bandwidth_khz) | |
5362 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
5363 | reg_rule); | |
5364 | ||
9360ffd1 DM |
5365 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
5366 | reg_rule->flags) || | |
5367 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
5368 | freq_range->start_freq_khz) || | |
5369 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
5370 | freq_range->end_freq_khz) || | |
5371 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 5372 | max_bandwidth_khz) || |
9360ffd1 DM |
5373 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
5374 | power_rule->max_antenna_gain) || | |
5375 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
5376 | power_rule->max_eirp) || |
5377 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
5378 | reg_rule->dfs_cac_ms)) | |
ad30ca2c | 5379 | goto nla_put_failure; |
f130347c LR |
5380 | |
5381 | nla_nest_end(msg, nl_reg_rule); | |
5382 | } | |
5383 | ||
5384 | nla_nest_end(msg, nl_reg_rules); | |
ad30ca2c AN |
5385 | return 0; |
5386 | ||
5387 | nla_put_failure: | |
5388 | return -EMSGSIZE; | |
5389 | } | |
5390 | ||
5391 | static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info) | |
5392 | { | |
5393 | const struct ieee80211_regdomain *regdom = NULL; | |
5394 | struct cfg80211_registered_device *rdev; | |
5395 | struct wiphy *wiphy = NULL; | |
5396 | struct sk_buff *msg; | |
5397 | void *hdr; | |
5398 | ||
5399 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5400 | if (!msg) | |
5401 | return -ENOBUFS; | |
5402 | ||
5403 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
5404 | NL80211_CMD_GET_REG); | |
5405 | if (!hdr) | |
5406 | goto put_failure; | |
5407 | ||
5408 | if (info->attrs[NL80211_ATTR_WIPHY]) { | |
5409 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); | |
5410 | if (IS_ERR(rdev)) { | |
5411 | nlmsg_free(msg); | |
5412 | return PTR_ERR(rdev); | |
5413 | } | |
5414 | ||
5415 | wiphy = &rdev->wiphy; | |
5416 | regdom = get_wiphy_regdom(wiphy); | |
5417 | ||
5418 | if (regdom && | |
5419 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
5420 | goto nla_put_failure; | |
5421 | } | |
5422 | ||
5423 | if (!wiphy && reg_last_request_cell_base() && | |
5424 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5425 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5426 | goto nla_put_failure; | |
5427 | ||
5428 | rcu_read_lock(); | |
5429 | ||
5430 | if (!regdom) | |
5431 | regdom = rcu_dereference(cfg80211_regdomain); | |
5432 | ||
5433 | if (nl80211_put_regdom(regdom, msg)) | |
5434 | goto nla_put_failure_rcu; | |
5435 | ||
5436 | rcu_read_unlock(); | |
f130347c LR |
5437 | |
5438 | genlmsg_end(msg, hdr); | |
5fe231e8 | 5439 | return genlmsg_reply(msg, info); |
f130347c | 5440 | |
458f4f9e JB |
5441 | nla_put_failure_rcu: |
5442 | rcu_read_unlock(); | |
f130347c LR |
5443 | nla_put_failure: |
5444 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 5445 | put_failure: |
d080e275 | 5446 | nlmsg_free(msg); |
5fe231e8 | 5447 | return -EMSGSIZE; |
f130347c LR |
5448 | } |
5449 | ||
ad30ca2c AN |
5450 | static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb, |
5451 | u32 seq, int flags, struct wiphy *wiphy, | |
5452 | const struct ieee80211_regdomain *regdom) | |
5453 | { | |
5454 | void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, | |
5455 | NL80211_CMD_GET_REG); | |
5456 | ||
5457 | if (!hdr) | |
5458 | return -1; | |
5459 | ||
5460 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); | |
5461 | ||
5462 | if (nl80211_put_regdom(regdom, msg)) | |
5463 | goto nla_put_failure; | |
5464 | ||
5465 | if (!wiphy && reg_last_request_cell_base() && | |
5466 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
5467 | NL80211_USER_REG_HINT_CELL_BASE)) | |
5468 | goto nla_put_failure; | |
5469 | ||
5470 | if (wiphy && | |
5471 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
5472 | goto nla_put_failure; | |
5473 | ||
5474 | return genlmsg_end(msg, hdr); | |
5475 | ||
5476 | nla_put_failure: | |
5477 | genlmsg_cancel(msg, hdr); | |
5478 | return -EMSGSIZE; | |
5479 | } | |
5480 | ||
5481 | static int nl80211_get_reg_dump(struct sk_buff *skb, | |
5482 | struct netlink_callback *cb) | |
5483 | { | |
5484 | const struct ieee80211_regdomain *regdom = NULL; | |
5485 | struct cfg80211_registered_device *rdev; | |
5486 | int err, reg_idx, start = cb->args[2]; | |
5487 | ||
5488 | rtnl_lock(); | |
5489 | ||
5490 | if (cfg80211_regdomain && start == 0) { | |
5491 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
5492 | NLM_F_MULTI, NULL, | |
5493 | rtnl_dereference(cfg80211_regdomain)); | |
5494 | if (err < 0) | |
5495 | goto out_err; | |
5496 | } | |
5497 | ||
5498 | /* the global regdom is idx 0 */ | |
5499 | reg_idx = 1; | |
5500 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
5501 | regdom = get_wiphy_regdom(&rdev->wiphy); | |
5502 | if (!regdom) | |
5503 | continue; | |
5504 | ||
5505 | if (++reg_idx <= start) | |
5506 | continue; | |
5507 | ||
5508 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
5509 | NLM_F_MULTI, &rdev->wiphy, regdom); | |
5510 | if (err < 0) { | |
5511 | reg_idx--; | |
5512 | break; | |
5513 | } | |
5514 | } | |
5515 | ||
5516 | cb->args[2] = reg_idx; | |
5517 | err = skb->len; | |
5518 | out_err: | |
5519 | rtnl_unlock(); | |
5520 | return err; | |
5521 | } | |
5522 | ||
b2e1b302 LR |
5523 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
5524 | { | |
5525 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
5526 | struct nlattr *nl_reg_rule; | |
ea372c54 JB |
5527 | char *alpha2; |
5528 | int rem_reg_rules, r; | |
b2e1b302 | 5529 | u32 num_rules = 0, rule_idx = 0, size_of_regd; |
4c7d3982 | 5530 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
ea372c54 | 5531 | struct ieee80211_regdomain *rd; |
b2e1b302 LR |
5532 | |
5533 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
5534 | return -EINVAL; | |
5535 | ||
5536 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
5537 | return -EINVAL; | |
5538 | ||
5539 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5540 | ||
8b60b078 LR |
5541 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
5542 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
5543 | ||
b2e1b302 | 5544 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5545 | rem_reg_rules) { |
b2e1b302 LR |
5546 | num_rules++; |
5547 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 5548 | return -EINVAL; |
b2e1b302 LR |
5549 | } |
5550 | ||
e438768f LR |
5551 | if (!reg_is_valid_request(alpha2)) |
5552 | return -EINVAL; | |
5553 | ||
b2e1b302 | 5554 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 5555 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
5556 | |
5557 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
5558 | if (!rd) |
5559 | return -ENOMEM; | |
b2e1b302 LR |
5560 | |
5561 | rd->n_reg_rules = num_rules; | |
5562 | rd->alpha2[0] = alpha2[0]; | |
5563 | rd->alpha2[1] = alpha2[1]; | |
5564 | ||
8b60b078 LR |
5565 | /* |
5566 | * Disable DFS master mode if the DFS region was | |
5567 | * not supported or known on this kernel. | |
5568 | */ | |
5569 | if (reg_supported_dfs_region(dfs_region)) | |
5570 | rd->dfs_region = dfs_region; | |
5571 | ||
b2e1b302 | 5572 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 5573 | rem_reg_rules) { |
ae811e21 JB |
5574 | r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
5575 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
5576 | reg_rule_policy); | |
5577 | if (r) | |
5578 | goto bad_reg; | |
b2e1b302 LR |
5579 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
5580 | if (r) | |
5581 | goto bad_reg; | |
5582 | ||
5583 | rule_idx++; | |
5584 | ||
d0e18f83 LR |
5585 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
5586 | r = -EINVAL; | |
b2e1b302 | 5587 | goto bad_reg; |
d0e18f83 | 5588 | } |
b2e1b302 LR |
5589 | } |
5590 | ||
b2e1b302 | 5591 | r = set_regdom(rd); |
6913b49a | 5592 | /* set_regdom took ownership */ |
1a919318 | 5593 | rd = NULL; |
b2e1b302 | 5594 | |
d2372b31 | 5595 | bad_reg: |
b2e1b302 | 5596 | kfree(rd); |
d0e18f83 | 5597 | return r; |
b2e1b302 LR |
5598 | } |
5599 | ||
83f5e2cf JB |
5600 | static int validate_scan_freqs(struct nlattr *freqs) |
5601 | { | |
5602 | struct nlattr *attr1, *attr2; | |
5603 | int n_channels = 0, tmp1, tmp2; | |
5604 | ||
5605 | nla_for_each_nested(attr1, freqs, tmp1) { | |
5606 | n_channels++; | |
5607 | /* | |
5608 | * Some hardware has a limited channel list for | |
5609 | * scanning, and it is pretty much nonsensical | |
5610 | * to scan for a channel twice, so disallow that | |
5611 | * and don't require drivers to check that the | |
5612 | * channel list they get isn't longer than what | |
5613 | * they can scan, as long as they can scan all | |
5614 | * the channels they registered at once. | |
5615 | */ | |
5616 | nla_for_each_nested(attr2, freqs, tmp2) | |
5617 | if (attr1 != attr2 && | |
5618 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
5619 | return 0; | |
5620 | } | |
5621 | ||
5622 | return n_channels; | |
5623 | } | |
5624 | ||
ad2b26ab JB |
5625 | static int nl80211_parse_random_mac(struct nlattr **attrs, |
5626 | u8 *mac_addr, u8 *mac_addr_mask) | |
5627 | { | |
5628 | int i; | |
5629 | ||
5630 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
5631 | memset(mac_addr, 0, ETH_ALEN); | |
5632 | memset(mac_addr_mask, 0, ETH_ALEN); | |
5633 | mac_addr[0] = 0x2; | |
5634 | mac_addr_mask[0] = 0x3; | |
5635 | ||
5636 | return 0; | |
5637 | } | |
5638 | ||
5639 | /* need both or none */ | |
5640 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
5641 | return -EINVAL; | |
5642 | ||
5643 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
5644 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
5645 | ||
5646 | /* don't allow or configure an mcast address */ | |
5647 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
5648 | is_multicast_ether_addr(mac_addr)) | |
5649 | return -EINVAL; | |
5650 | ||
5651 | /* | |
5652 | * allow users to pass a MAC address that has bits set outside | |
5653 | * of the mask, but don't bother drivers with having to deal | |
5654 | * with such bits | |
5655 | */ | |
5656 | for (i = 0; i < ETH_ALEN; i++) | |
5657 | mac_addr[i] &= mac_addr_mask[i]; | |
5658 | ||
5659 | return 0; | |
5660 | } | |
5661 | ||
2a519311 JB |
5662 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
5663 | { | |
4c476991 | 5664 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 5665 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 5666 | struct cfg80211_scan_request *request; |
2a519311 JB |
5667 | struct nlattr *attr; |
5668 | struct wiphy *wiphy; | |
83f5e2cf | 5669 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 5670 | size_t ie_len; |
2a519311 | 5671 | |
f4a11bb0 JB |
5672 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
5673 | return -EINVAL; | |
5674 | ||
79c97e97 | 5675 | wiphy = &rdev->wiphy; |
2a519311 | 5676 | |
4c476991 JB |
5677 | if (!rdev->ops->scan) |
5678 | return -EOPNOTSUPP; | |
2a519311 | 5679 | |
f9d15d16 | 5680 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
5681 | err = -EBUSY; |
5682 | goto unlock; | |
5683 | } | |
2a519311 JB |
5684 | |
5685 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
5686 | n_channels = validate_scan_freqs( |
5687 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
5688 | if (!n_channels) { |
5689 | err = -EINVAL; | |
5690 | goto unlock; | |
5691 | } | |
2a519311 | 5692 | } else { |
bdfbec2d | 5693 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
5694 | } |
5695 | ||
5696 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
5697 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
5698 | n_ssids++; | |
5699 | ||
f9f47529 JB |
5700 | if (n_ssids > wiphy->max_scan_ssids) { |
5701 | err = -EINVAL; | |
5702 | goto unlock; | |
5703 | } | |
2a519311 | 5704 | |
70692ad2 JM |
5705 | if (info->attrs[NL80211_ATTR_IE]) |
5706 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
5707 | else | |
5708 | ie_len = 0; | |
5709 | ||
f9f47529 JB |
5710 | if (ie_len > wiphy->max_scan_ie_len) { |
5711 | err = -EINVAL; | |
5712 | goto unlock; | |
5713 | } | |
18a83659 | 5714 | |
2a519311 | 5715 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
5716 | + sizeof(*request->ssids) * n_ssids |
5717 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 5718 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
5719 | if (!request) { |
5720 | err = -ENOMEM; | |
5721 | goto unlock; | |
5722 | } | |
2a519311 | 5723 | |
2a519311 | 5724 | if (n_ssids) |
5ba63533 | 5725 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 5726 | request->n_ssids = n_ssids; |
70692ad2 JM |
5727 | if (ie_len) { |
5728 | if (request->ssids) | |
5729 | request->ie = (void *)(request->ssids + n_ssids); | |
5730 | else | |
5731 | request->ie = (void *)(request->channels + n_channels); | |
5732 | } | |
2a519311 | 5733 | |
584991dc | 5734 | i = 0; |
2a519311 JB |
5735 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
5736 | /* user specified, bail out if channel not found */ | |
2a519311 | 5737 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
5738 | struct ieee80211_channel *chan; |
5739 | ||
5740 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
5741 | ||
5742 | if (!chan) { | |
2a519311 JB |
5743 | err = -EINVAL; |
5744 | goto out_free; | |
5745 | } | |
584991dc JB |
5746 | |
5747 | /* ignore disabled channels */ | |
5748 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5749 | continue; | |
5750 | ||
5751 | request->channels[i] = chan; | |
2a519311 JB |
5752 | i++; |
5753 | } | |
5754 | } else { | |
34850ab2 JB |
5755 | enum ieee80211_band band; |
5756 | ||
2a519311 | 5757 | /* all channels */ |
2a519311 JB |
5758 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
5759 | int j; | |
5760 | if (!wiphy->bands[band]) | |
5761 | continue; | |
5762 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
5763 | struct ieee80211_channel *chan; |
5764 | ||
5765 | chan = &wiphy->bands[band]->channels[j]; | |
5766 | ||
5767 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
5768 | continue; | |
5769 | ||
5770 | request->channels[i] = chan; | |
2a519311 JB |
5771 | i++; |
5772 | } | |
5773 | } | |
5774 | } | |
5775 | ||
584991dc JB |
5776 | if (!i) { |
5777 | err = -EINVAL; | |
5778 | goto out_free; | |
5779 | } | |
5780 | ||
5781 | request->n_channels = i; | |
5782 | ||
2a519311 JB |
5783 | i = 0; |
5784 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { | |
5785 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { | |
57a27e1d | 5786 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
5787 | err = -EINVAL; |
5788 | goto out_free; | |
5789 | } | |
57a27e1d | 5790 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 5791 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
5792 | i++; |
5793 | } | |
5794 | } | |
5795 | ||
70692ad2 JM |
5796 | if (info->attrs[NL80211_ATTR_IE]) { |
5797 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
5798 | memcpy((void *)request->ie, |
5799 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
5800 | request->ie_len); |
5801 | } | |
5802 | ||
34850ab2 | 5803 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
a401d2bb JB |
5804 | if (wiphy->bands[i]) |
5805 | request->rates[i] = | |
5806 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
5807 | |
5808 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
5809 | nla_for_each_nested(attr, | |
5810 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
5811 | tmp) { | |
5812 | enum ieee80211_band band = nla_type(attr); | |
5813 | ||
84404623 | 5814 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
34850ab2 JB |
5815 | err = -EINVAL; |
5816 | goto out_free; | |
5817 | } | |
1b09cd82 FF |
5818 | |
5819 | if (!wiphy->bands[band]) | |
5820 | continue; | |
5821 | ||
34850ab2 JB |
5822 | err = ieee80211_get_ratemask(wiphy->bands[band], |
5823 | nla_data(attr), | |
5824 | nla_len(attr), | |
5825 | &request->rates[band]); | |
5826 | if (err) | |
5827 | goto out_free; | |
5828 | } | |
5829 | } | |
5830 | ||
46856bbf | 5831 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
5832 | request->flags = nla_get_u32( |
5833 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
5834 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
5835 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
5836 | err = -EOPNOTSUPP; |
5837 | goto out_free; | |
5838 | } | |
ad2b26ab JB |
5839 | |
5840 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
5841 | if (!(wiphy->features & | |
5842 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) { | |
5843 | err = -EOPNOTSUPP; | |
5844 | goto out_free; | |
5845 | } | |
5846 | ||
5847 | if (wdev->current_bss) { | |
5848 | err = -EOPNOTSUPP; | |
5849 | goto out_free; | |
5850 | } | |
5851 | ||
5852 | err = nl80211_parse_random_mac(info->attrs, | |
5853 | request->mac_addr, | |
5854 | request->mac_addr_mask); | |
5855 | if (err) | |
5856 | goto out_free; | |
5857 | } | |
46856bbf | 5858 | } |
ed473771 | 5859 | |
e9f935e3 RM |
5860 | request->no_cck = |
5861 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
5862 | ||
fd014284 | 5863 | request->wdev = wdev; |
79c97e97 | 5864 | request->wiphy = &rdev->wiphy; |
15d6030b | 5865 | request->scan_start = jiffies; |
2a519311 | 5866 | |
79c97e97 | 5867 | rdev->scan_req = request; |
e35e4d28 | 5868 | err = rdev_scan(rdev, request); |
2a519311 | 5869 | |
463d0183 | 5870 | if (!err) { |
fd014284 JB |
5871 | nl80211_send_scan_start(rdev, wdev); |
5872 | if (wdev->netdev) | |
5873 | dev_hold(wdev->netdev); | |
4c476991 | 5874 | } else { |
2a519311 | 5875 | out_free: |
79c97e97 | 5876 | rdev->scan_req = NULL; |
2a519311 JB |
5877 | kfree(request); |
5878 | } | |
3b85875a | 5879 | |
f9f47529 | 5880 | unlock: |
2a519311 JB |
5881 | return err; |
5882 | } | |
5883 | ||
256da02d | 5884 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 5885 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
256da02d | 5886 | struct nlattr **attrs) |
807f8a8c LC |
5887 | { |
5888 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 5889 | struct nlattr *attr; |
a1f1c21c | 5890 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
bbe6ad6d | 5891 | u32 interval; |
807f8a8c LC |
5892 | enum ieee80211_band band; |
5893 | size_t ie_len; | |
a1f1c21c | 5894 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 5895 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 5896 | |
256da02d LC |
5897 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE])) |
5898 | return ERR_PTR(-EINVAL); | |
807f8a8c | 5899 | |
256da02d LC |
5900 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
5901 | return ERR_PTR(-EINVAL); | |
bbe6ad6d | 5902 | |
256da02d | 5903 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); |
bbe6ad6d | 5904 | if (interval == 0) |
256da02d | 5905 | return ERR_PTR(-EINVAL); |
807f8a8c | 5906 | |
256da02d | 5907 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 5908 | n_channels = validate_scan_freqs( |
256da02d | 5909 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 5910 | if (!n_channels) |
256da02d | 5911 | return ERR_PTR(-EINVAL); |
807f8a8c | 5912 | } else { |
bdfbec2d | 5913 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
5914 | } |
5915 | ||
256da02d LC |
5916 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
5917 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
5918 | tmp) |
5919 | n_ssids++; | |
5920 | ||
93b6aa69 | 5921 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 5922 | return ERR_PTR(-EINVAL); |
807f8a8c | 5923 | |
ea73cbce JB |
5924 | /* |
5925 | * First, count the number of 'real' matchsets. Due to an issue with | |
5926 | * the old implementation, matchsets containing only the RSSI attribute | |
5927 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
5928 | * RSSI for all matchsets, rather than their own matchset for reporting | |
5929 | * all APs with a strong RSSI. This is needed to be compatible with | |
5930 | * older userspace that treated a matchset with only the RSSI as the | |
5931 | * global RSSI for all other matchsets - if there are other matchsets. | |
5932 | */ | |
256da02d | 5933 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 5934 | nla_for_each_nested(attr, |
256da02d | 5935 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
5936 | tmp) { |
5937 | struct nlattr *rssi; | |
5938 | ||
5939 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
5940 | nla_data(attr), nla_len(attr), | |
5941 | nl80211_match_policy); | |
5942 | if (err) | |
256da02d | 5943 | return ERR_PTR(err); |
ea73cbce JB |
5944 | /* add other standalone attributes here */ |
5945 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { | |
5946 | n_match_sets++; | |
5947 | continue; | |
5948 | } | |
5949 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
5950 | if (rssi) | |
5951 | default_match_rssi = nla_get_s32(rssi); | |
5952 | } | |
5953 | } | |
5954 | ||
5955 | /* However, if there's no other matchset, add the RSSI one */ | |
5956 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
5957 | n_match_sets = 1; | |
a1f1c21c LC |
5958 | |
5959 | if (n_match_sets > wiphy->max_match_sets) | |
256da02d | 5960 | return ERR_PTR(-EINVAL); |
a1f1c21c | 5961 | |
256da02d LC |
5962 | if (attrs[NL80211_ATTR_IE]) |
5963 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
5964 | else |
5965 | ie_len = 0; | |
5966 | ||
5a865bad | 5967 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 5968 | return ERR_PTR(-EINVAL); |
c10841ca | 5969 | |
807f8a8c | 5970 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 5971 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 5972 | + sizeof(*request->match_sets) * n_match_sets |
a2cd43c5 | 5973 | + sizeof(*request->channels) * n_channels |
807f8a8c | 5974 | + ie_len, GFP_KERNEL); |
256da02d LC |
5975 | if (!request) |
5976 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
5977 | |
5978 | if (n_ssids) | |
5979 | request->ssids = (void *)&request->channels[n_channels]; | |
5980 | request->n_ssids = n_ssids; | |
5981 | if (ie_len) { | |
5982 | if (request->ssids) | |
5983 | request->ie = (void *)(request->ssids + n_ssids); | |
5984 | else | |
5985 | request->ie = (void *)(request->channels + n_channels); | |
5986 | } | |
5987 | ||
a1f1c21c LC |
5988 | if (n_match_sets) { |
5989 | if (request->ie) | |
5990 | request->match_sets = (void *)(request->ie + ie_len); | |
5991 | else if (request->ssids) | |
5992 | request->match_sets = | |
5993 | (void *)(request->ssids + n_ssids); | |
5994 | else | |
5995 | request->match_sets = | |
5996 | (void *)(request->channels + n_channels); | |
5997 | } | |
5998 | request->n_match_sets = n_match_sets; | |
5999 | ||
807f8a8c | 6000 | i = 0; |
256da02d | 6001 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
6002 | /* user specified, bail out if channel not found */ |
6003 | nla_for_each_nested(attr, | |
256da02d | 6004 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
6005 | tmp) { |
6006 | struct ieee80211_channel *chan; | |
6007 | ||
6008 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
6009 | ||
6010 | if (!chan) { | |
6011 | err = -EINVAL; | |
6012 | goto out_free; | |
6013 | } | |
6014 | ||
6015 | /* ignore disabled channels */ | |
6016 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6017 | continue; | |
6018 | ||
6019 | request->channels[i] = chan; | |
6020 | i++; | |
6021 | } | |
6022 | } else { | |
6023 | /* all channels */ | |
6024 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
6025 | int j; | |
6026 | if (!wiphy->bands[band]) | |
6027 | continue; | |
6028 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
6029 | struct ieee80211_channel *chan; | |
6030 | ||
6031 | chan = &wiphy->bands[band]->channels[j]; | |
6032 | ||
6033 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6034 | continue; | |
6035 | ||
6036 | request->channels[i] = chan; | |
6037 | i++; | |
6038 | } | |
6039 | } | |
6040 | } | |
6041 | ||
6042 | if (!i) { | |
6043 | err = -EINVAL; | |
6044 | goto out_free; | |
6045 | } | |
6046 | ||
6047 | request->n_channels = i; | |
6048 | ||
6049 | i = 0; | |
256da02d LC |
6050 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) { |
6051 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c | 6052 | tmp) { |
57a27e1d | 6053 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
6054 | err = -EINVAL; |
6055 | goto out_free; | |
6056 | } | |
57a27e1d | 6057 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
6058 | memcpy(request->ssids[i].ssid, nla_data(attr), |
6059 | nla_len(attr)); | |
807f8a8c LC |
6060 | i++; |
6061 | } | |
6062 | } | |
6063 | ||
a1f1c21c | 6064 | i = 0; |
256da02d | 6065 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 6066 | nla_for_each_nested(attr, |
256da02d | 6067 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 6068 | tmp) { |
88e920b4 | 6069 | struct nlattr *ssid, *rssi; |
a1f1c21c | 6070 | |
ae811e21 JB |
6071 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, |
6072 | nla_data(attr), nla_len(attr), | |
6073 | nl80211_match_policy); | |
6074 | if (err) | |
6075 | goto out_free; | |
4a4ab0d7 | 6076 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c | 6077 | if (ssid) { |
ea73cbce JB |
6078 | if (WARN_ON(i >= n_match_sets)) { |
6079 | /* this indicates a programming error, | |
6080 | * the loop above should have verified | |
6081 | * things properly | |
6082 | */ | |
6083 | err = -EINVAL; | |
6084 | goto out_free; | |
6085 | } | |
6086 | ||
a1f1c21c LC |
6087 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
6088 | err = -EINVAL; | |
6089 | goto out_free; | |
6090 | } | |
6091 | memcpy(request->match_sets[i].ssid.ssid, | |
6092 | nla_data(ssid), nla_len(ssid)); | |
6093 | request->match_sets[i].ssid.ssid_len = | |
6094 | nla_len(ssid); | |
ea73cbce JB |
6095 | /* special attribute - old implemenation w/a */ |
6096 | request->match_sets[i].rssi_thold = | |
6097 | default_match_rssi; | |
6098 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
6099 | if (rssi) | |
6100 | request->match_sets[i].rssi_thold = | |
6101 | nla_get_s32(rssi); | |
a1f1c21c LC |
6102 | } |
6103 | i++; | |
6104 | } | |
ea73cbce JB |
6105 | |
6106 | /* there was no other matchset, so the RSSI one is alone */ | |
6107 | if (i == 0) | |
6108 | request->match_sets[0].rssi_thold = default_match_rssi; | |
6109 | ||
6110 | request->min_rssi_thold = INT_MAX; | |
6111 | for (i = 0; i < n_match_sets; i++) | |
6112 | request->min_rssi_thold = | |
6113 | min(request->match_sets[i].rssi_thold, | |
6114 | request->min_rssi_thold); | |
6115 | } else { | |
6116 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
6117 | } |
6118 | ||
9900e484 JB |
6119 | if (ie_len) { |
6120 | request->ie_len = ie_len; | |
807f8a8c | 6121 | memcpy((void *)request->ie, |
256da02d | 6122 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
6123 | request->ie_len); |
6124 | } | |
6125 | ||
256da02d | 6126 | if (attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 | 6127 | request->flags = nla_get_u32( |
256da02d | 6128 | attrs[NL80211_ATTR_SCAN_FLAGS]); |
00c3a6ed JB |
6129 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
6130 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
6131 | err = -EOPNOTSUPP; |
6132 | goto out_free; | |
6133 | } | |
ad2b26ab JB |
6134 | |
6135 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6136 | u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; | |
6137 | ||
6138 | if (!wdev) /* must be net-detect */ | |
6139 | flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
6140 | ||
6141 | if (!(wiphy->features & flg)) { | |
6142 | err = -EOPNOTSUPP; | |
6143 | goto out_free; | |
6144 | } | |
6145 | ||
6146 | if (wdev && wdev->current_bss) { | |
6147 | err = -EOPNOTSUPP; | |
6148 | goto out_free; | |
6149 | } | |
6150 | ||
6151 | err = nl80211_parse_random_mac(attrs, request->mac_addr, | |
6152 | request->mac_addr_mask); | |
6153 | if (err) | |
6154 | goto out_free; | |
6155 | } | |
46856bbf | 6156 | } |
ed473771 | 6157 | |
bbe6ad6d | 6158 | request->interval = interval; |
15d6030b | 6159 | request->scan_start = jiffies; |
807f8a8c | 6160 | |
256da02d | 6161 | return request; |
807f8a8c LC |
6162 | |
6163 | out_free: | |
6164 | kfree(request); | |
256da02d LC |
6165 | return ERR_PTR(err); |
6166 | } | |
6167 | ||
6168 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
6169 | struct genl_info *info) | |
6170 | { | |
6171 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6172 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 6173 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
256da02d LC |
6174 | int err; |
6175 | ||
6176 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
6177 | !rdev->ops->sched_scan_start) | |
6178 | return -EOPNOTSUPP; | |
6179 | ||
6180 | if (rdev->sched_scan_req) | |
6181 | return -EINPROGRESS; | |
6182 | ||
ad2b26ab | 6183 | rdev->sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
256da02d LC |
6184 | info->attrs); |
6185 | err = PTR_ERR_OR_ZERO(rdev->sched_scan_req); | |
6186 | if (err) | |
6187 | goto out_err; | |
6188 | ||
6189 | err = rdev_sched_scan_start(rdev, dev, rdev->sched_scan_req); | |
6190 | if (err) | |
6191 | goto out_free; | |
6192 | ||
6193 | rdev->sched_scan_req->dev = dev; | |
6194 | rdev->sched_scan_req->wiphy = &rdev->wiphy; | |
6195 | ||
6196 | nl80211_send_sched_scan(rdev, dev, | |
6197 | NL80211_CMD_START_SCHED_SCAN); | |
6198 | return 0; | |
6199 | ||
6200 | out_free: | |
6201 | kfree(rdev->sched_scan_req); | |
6202 | out_err: | |
6203 | rdev->sched_scan_req = NULL; | |
807f8a8c LC |
6204 | return err; |
6205 | } | |
6206 | ||
6207 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
6208 | struct genl_info *info) | |
6209 | { | |
6210 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6211 | ||
6212 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
6213 | !rdev->ops->sched_scan_stop) | |
6214 | return -EOPNOTSUPP; | |
6215 | ||
5fe231e8 | 6216 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
6217 | } |
6218 | ||
04f39047 SW |
6219 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
6220 | struct genl_info *info) | |
6221 | { | |
6222 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6223 | struct net_device *dev = info->user_ptr[1]; | |
6224 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
6225 | struct cfg80211_chan_def chandef; | |
55f7435c | 6226 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 6227 | unsigned int cac_time_ms; |
04f39047 SW |
6228 | int err; |
6229 | ||
55f7435c LR |
6230 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
6231 | if (dfs_region == NL80211_DFS_UNSET) | |
6232 | return -EINVAL; | |
6233 | ||
04f39047 SW |
6234 | err = nl80211_parse_chandef(rdev, info, &chandef); |
6235 | if (err) | |
6236 | return err; | |
6237 | ||
ff311bc1 SW |
6238 | if (netif_carrier_ok(dev)) |
6239 | return -EBUSY; | |
6240 | ||
04f39047 SW |
6241 | if (wdev->cac_started) |
6242 | return -EBUSY; | |
6243 | ||
2beb6dab | 6244 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 6245 | wdev->iftype); |
04f39047 SW |
6246 | if (err < 0) |
6247 | return err; | |
6248 | ||
6249 | if (err == 0) | |
6250 | return -EINVAL; | |
6251 | ||
fe7c3a1f | 6252 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
6253 | return -EINVAL; |
6254 | ||
6255 | if (!rdev->ops->start_radar_detection) | |
6256 | return -EOPNOTSUPP; | |
6257 | ||
31559f35 JD |
6258 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
6259 | if (WARN_ON(!cac_time_ms)) | |
6260 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
6261 | ||
6262 | err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef, | |
6263 | cac_time_ms); | |
04f39047 | 6264 | if (!err) { |
9e0e2961 | 6265 | wdev->chandef = chandef; |
04f39047 SW |
6266 | wdev->cac_started = true; |
6267 | wdev->cac_start_time = jiffies; | |
31559f35 | 6268 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 6269 | } |
04f39047 SW |
6270 | return err; |
6271 | } | |
6272 | ||
16ef1fe2 SW |
6273 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
6274 | { | |
6275 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6276 | struct net_device *dev = info->user_ptr[1]; | |
6277 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
6278 | struct cfg80211_csa_settings params; | |
6279 | /* csa_attrs is defined static to avoid waste of stack size - this | |
6280 | * function is called under RTNL lock, so this should not be a problem. | |
6281 | */ | |
6282 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
16ef1fe2 | 6283 | int err; |
ee4bc9e7 | 6284 | bool need_new_beacon = false; |
9a774c78 | 6285 | int len, i; |
252e07ca | 6286 | u32 cs_count; |
16ef1fe2 SW |
6287 | |
6288 | if (!rdev->ops->channel_switch || | |
6289 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
6290 | return -EOPNOTSUPP; | |
6291 | ||
ee4bc9e7 SW |
6292 | switch (dev->ieee80211_ptr->iftype) { |
6293 | case NL80211_IFTYPE_AP: | |
6294 | case NL80211_IFTYPE_P2P_GO: | |
6295 | need_new_beacon = true; | |
6296 | ||
6297 | /* useless if AP is not running */ | |
6298 | if (!wdev->beacon_interval) | |
1ff79dfa | 6299 | return -ENOTCONN; |
ee4bc9e7 SW |
6300 | break; |
6301 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
6302 | if (!wdev->ssid_len) |
6303 | return -ENOTCONN; | |
6304 | break; | |
c6da674a | 6305 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
6306 | if (!wdev->mesh_id_len) |
6307 | return -ENOTCONN; | |
ee4bc9e7 SW |
6308 | break; |
6309 | default: | |
16ef1fe2 | 6310 | return -EOPNOTSUPP; |
ee4bc9e7 | 6311 | } |
16ef1fe2 SW |
6312 | |
6313 | memset(¶ms, 0, sizeof(params)); | |
6314 | ||
6315 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
6316 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
6317 | return -EINVAL; | |
6318 | ||
6319 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 6320 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
6321 | return -EINVAL; |
6322 | ||
252e07ca LC |
6323 | /* Even though the attribute is u32, the specification says |
6324 | * u8, so let's make sure we don't overflow. | |
6325 | */ | |
6326 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
6327 | if (cs_count > 255) | |
6328 | return -EINVAL; | |
6329 | ||
6330 | params.count = cs_count; | |
16ef1fe2 | 6331 | |
ee4bc9e7 SW |
6332 | if (!need_new_beacon) |
6333 | goto skip_beacons; | |
6334 | ||
16ef1fe2 SW |
6335 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
6336 | if (err) | |
6337 | return err; | |
6338 | ||
6339 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
6340 | info->attrs[NL80211_ATTR_CSA_IES], | |
6341 | nl80211_policy); | |
6342 | if (err) | |
6343 | return err; | |
6344 | ||
6345 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
6346 | if (err) | |
6347 | return err; | |
6348 | ||
6349 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
6350 | return -EINVAL; | |
6351 | ||
9a774c78 AO |
6352 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
6353 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
6354 | return -EINVAL; |
6355 | ||
9a774c78 AO |
6356 | params.n_counter_offsets_beacon = len / sizeof(u16); |
6357 | if (rdev->wiphy.max_num_csa_counters && | |
6358 | (params.n_counter_offsets_beacon > | |
6359 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
6360 | return -EINVAL; |
6361 | ||
9a774c78 AO |
6362 | params.counter_offsets_beacon = |
6363 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
6364 | ||
6365 | /* sanity checks - counters should fit and be the same */ | |
6366 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
6367 | u16 offset = params.counter_offsets_beacon[i]; | |
6368 | ||
6369 | if (offset >= params.beacon_csa.tail_len) | |
6370 | return -EINVAL; | |
6371 | ||
6372 | if (params.beacon_csa.tail[offset] != params.count) | |
6373 | return -EINVAL; | |
6374 | } | |
6375 | ||
16ef1fe2 | 6376 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
6377 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
6378 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
6379 | return -EINVAL; |
6380 | ||
9a774c78 AO |
6381 | params.n_counter_offsets_presp = len / sizeof(u16); |
6382 | if (rdev->wiphy.max_num_csa_counters && | |
6383 | (params.n_counter_offsets_beacon > | |
6384 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 | 6385 | return -EINVAL; |
9a774c78 AO |
6386 | |
6387 | params.counter_offsets_presp = | |
6388 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
6389 | ||
6390 | /* sanity checks - counters should fit and be the same */ | |
6391 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
6392 | u16 offset = params.counter_offsets_presp[i]; | |
6393 | ||
6394 | if (offset >= params.beacon_csa.probe_resp_len) | |
6395 | return -EINVAL; | |
6396 | ||
6397 | if (params.beacon_csa.probe_resp[offset] != | |
6398 | params.count) | |
6399 | return -EINVAL; | |
6400 | } | |
16ef1fe2 SW |
6401 | } |
6402 | ||
ee4bc9e7 | 6403 | skip_beacons: |
16ef1fe2 SW |
6404 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
6405 | if (err) | |
6406 | return err; | |
6407 | ||
174e0cd2 IP |
6408 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, |
6409 | wdev->iftype)) | |
16ef1fe2 SW |
6410 | return -EINVAL; |
6411 | ||
2beb6dab LC |
6412 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
6413 | ¶ms.chandef, | |
6414 | wdev->iftype); | |
6415 | if (err < 0) | |
6416 | return err; | |
6417 | ||
dcc6c2f5 | 6418 | if (err > 0) |
2beb6dab | 6419 | params.radar_required = true; |
16ef1fe2 | 6420 | |
16ef1fe2 SW |
6421 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
6422 | params.block_tx = true; | |
6423 | ||
c56589ed SW |
6424 | wdev_lock(wdev); |
6425 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
6426 | wdev_unlock(wdev); | |
6427 | ||
6428 | return err; | |
16ef1fe2 SW |
6429 | } |
6430 | ||
9720bb3a JB |
6431 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
6432 | u32 seq, int flags, | |
2a519311 | 6433 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
6434 | struct wireless_dev *wdev, |
6435 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 6436 | { |
48ab905d | 6437 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 6438 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
6439 | void *hdr; |
6440 | struct nlattr *bss; | |
48ab905d JB |
6441 | |
6442 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 6443 | |
15e47304 | 6444 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
6445 | NL80211_CMD_NEW_SCAN_RESULTS); |
6446 | if (!hdr) | |
6447 | return -1; | |
6448 | ||
9720bb3a JB |
6449 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
6450 | ||
97990a06 JB |
6451 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
6452 | goto nla_put_failure; | |
6453 | if (wdev->netdev && | |
9360ffd1 DM |
6454 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
6455 | goto nla_put_failure; | |
97990a06 JB |
6456 | if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) |
6457 | goto nla_put_failure; | |
2a519311 JB |
6458 | |
6459 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
6460 | if (!bss) | |
6461 | goto nla_put_failure; | |
9360ffd1 | 6462 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 6463 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 6464 | goto nla_put_failure; |
9caf0364 JB |
6465 | |
6466 | rcu_read_lock(); | |
0e227084 JB |
6467 | /* indicate whether we have probe response data or not */ |
6468 | if (rcu_access_pointer(res->proberesp_ies) && | |
6469 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
6470 | goto fail_unlock_rcu; | |
6471 | ||
6472 | /* this pointer prefers to be pointed to probe response data | |
6473 | * but is always valid | |
6474 | */ | |
9caf0364 | 6475 | ies = rcu_dereference(res->ies); |
8cef2c9d JB |
6476 | if (ies) { |
6477 | if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) | |
6478 | goto fail_unlock_rcu; | |
8cef2c9d JB |
6479 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
6480 | ies->len, ies->data)) | |
6481 | goto fail_unlock_rcu; | |
9caf0364 | 6482 | } |
0e227084 JB |
6483 | |
6484 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 6485 | ies = rcu_dereference(res->beacon_ies); |
0e227084 JB |
6486 | if (ies && ies->from_beacon) { |
6487 | if (nla_put_u64(msg, NL80211_BSS_BEACON_TSF, ies->tsf)) | |
8cef2c9d JB |
6488 | goto fail_unlock_rcu; |
6489 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
6490 | ies->len, ies->data)) | |
6491 | goto fail_unlock_rcu; | |
9caf0364 JB |
6492 | } |
6493 | rcu_read_unlock(); | |
6494 | ||
9360ffd1 DM |
6495 | if (res->beacon_interval && |
6496 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
6497 | goto nla_put_failure; | |
6498 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
6499 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 6500 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
6501 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
6502 | jiffies_to_msecs(jiffies - intbss->ts))) | |
6503 | goto nla_put_failure; | |
2a519311 | 6504 | |
77965c97 | 6505 | switch (rdev->wiphy.signal_type) { |
2a519311 | 6506 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
6507 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
6508 | goto nla_put_failure; | |
2a519311 JB |
6509 | break; |
6510 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
6511 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
6512 | goto nla_put_failure; | |
2a519311 JB |
6513 | break; |
6514 | default: | |
6515 | break; | |
6516 | } | |
6517 | ||
48ab905d | 6518 | switch (wdev->iftype) { |
074ac8df | 6519 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 6520 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
6521 | if (intbss == wdev->current_bss && |
6522 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6523 | NL80211_BSS_STATUS_ASSOCIATED)) | |
6524 | goto nla_put_failure; | |
48ab905d JB |
6525 | break; |
6526 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
6527 | if (intbss == wdev->current_bss && |
6528 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
6529 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
6530 | goto nla_put_failure; | |
48ab905d JB |
6531 | break; |
6532 | default: | |
6533 | break; | |
6534 | } | |
6535 | ||
2a519311 JB |
6536 | nla_nest_end(msg, bss); |
6537 | ||
6538 | return genlmsg_end(msg, hdr); | |
6539 | ||
8cef2c9d JB |
6540 | fail_unlock_rcu: |
6541 | rcu_read_unlock(); | |
2a519311 JB |
6542 | nla_put_failure: |
6543 | genlmsg_cancel(msg, hdr); | |
6544 | return -EMSGSIZE; | |
6545 | } | |
6546 | ||
97990a06 | 6547 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 6548 | { |
48ab905d | 6549 | struct cfg80211_registered_device *rdev; |
2a519311 | 6550 | struct cfg80211_internal_bss *scan; |
48ab905d | 6551 | struct wireless_dev *wdev; |
97990a06 | 6552 | int start = cb->args[2], idx = 0; |
2a519311 JB |
6553 | int err; |
6554 | ||
97990a06 | 6555 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6556 | if (err) |
6557 | return err; | |
2a519311 | 6558 | |
48ab905d JB |
6559 | wdev_lock(wdev); |
6560 | spin_lock_bh(&rdev->bss_lock); | |
6561 | cfg80211_bss_expire(rdev); | |
6562 | ||
9720bb3a JB |
6563 | cb->seq = rdev->bss_generation; |
6564 | ||
48ab905d | 6565 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
6566 | if (++idx <= start) |
6567 | continue; | |
9720bb3a | 6568 | if (nl80211_send_bss(skb, cb, |
2a519311 | 6569 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 6570 | rdev, wdev, scan) < 0) { |
2a519311 | 6571 | idx--; |
67748893 | 6572 | break; |
2a519311 JB |
6573 | } |
6574 | } | |
6575 | ||
48ab905d JB |
6576 | spin_unlock_bh(&rdev->bss_lock); |
6577 | wdev_unlock(wdev); | |
2a519311 | 6578 | |
97990a06 JB |
6579 | cb->args[2] = idx; |
6580 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 6581 | |
67748893 | 6582 | return skb->len; |
2a519311 JB |
6583 | } |
6584 | ||
15e47304 | 6585 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
61fa713c HS |
6586 | int flags, struct net_device *dev, |
6587 | struct survey_info *survey) | |
6588 | { | |
6589 | void *hdr; | |
6590 | struct nlattr *infoattr; | |
6591 | ||
15e47304 | 6592 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
6593 | NL80211_CMD_NEW_SURVEY_RESULTS); |
6594 | if (!hdr) | |
6595 | return -ENOMEM; | |
6596 | ||
9360ffd1 DM |
6597 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
6598 | goto nla_put_failure; | |
61fa713c HS |
6599 | |
6600 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
6601 | if (!infoattr) | |
6602 | goto nla_put_failure; | |
6603 | ||
9360ffd1 DM |
6604 | if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
6605 | survey->channel->center_freq)) | |
6606 | goto nla_put_failure; | |
6607 | ||
6608 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
6609 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
6610 | goto nla_put_failure; | |
6611 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
6612 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
6613 | goto nla_put_failure; | |
6614 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) && | |
6615 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, | |
6616 | survey->channel_time)) | |
6617 | goto nla_put_failure; | |
6618 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) && | |
6619 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, | |
6620 | survey->channel_time_busy)) | |
6621 | goto nla_put_failure; | |
6622 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) && | |
6623 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, | |
6624 | survey->channel_time_ext_busy)) | |
6625 | goto nla_put_failure; | |
6626 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) && | |
6627 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, | |
6628 | survey->channel_time_rx)) | |
6629 | goto nla_put_failure; | |
6630 | if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) && | |
6631 | nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, | |
6632 | survey->channel_time_tx)) | |
6633 | goto nla_put_failure; | |
61fa713c HS |
6634 | |
6635 | nla_nest_end(msg, infoattr); | |
6636 | ||
6637 | return genlmsg_end(msg, hdr); | |
6638 | ||
6639 | nla_put_failure: | |
6640 | genlmsg_cancel(msg, hdr); | |
6641 | return -EMSGSIZE; | |
6642 | } | |
6643 | ||
6644 | static int nl80211_dump_survey(struct sk_buff *skb, | |
6645 | struct netlink_callback *cb) | |
6646 | { | |
6647 | struct survey_info survey; | |
1b8ec87a | 6648 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
6649 | struct wireless_dev *wdev; |
6650 | int survey_idx = cb->args[2]; | |
61fa713c HS |
6651 | int res; |
6652 | ||
1b8ec87a | 6653 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
6654 | if (res) |
6655 | return res; | |
61fa713c | 6656 | |
97990a06 JB |
6657 | if (!wdev->netdev) { |
6658 | res = -EINVAL; | |
6659 | goto out_err; | |
6660 | } | |
6661 | ||
1b8ec87a | 6662 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
6663 | res = -EOPNOTSUPP; |
6664 | goto out_err; | |
6665 | } | |
6666 | ||
6667 | while (1) { | |
1b8ec87a | 6668 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
6669 | if (res == -ENOENT) |
6670 | break; | |
6671 | if (res) | |
6672 | goto out_err; | |
6673 | ||
180cdc79 LR |
6674 | /* Survey without a channel doesn't make sense */ |
6675 | if (!survey.channel) { | |
6676 | res = -EINVAL; | |
6677 | goto out; | |
6678 | } | |
6679 | ||
ea9eba6a | 6680 | if (survey.channel->flags & IEEE80211_CHAN_DISABLED) { |
180cdc79 LR |
6681 | survey_idx++; |
6682 | continue; | |
6683 | } | |
6684 | ||
61fa713c | 6685 | if (nl80211_send_survey(skb, |
15e47304 | 6686 | NETLINK_CB(cb->skb).portid, |
61fa713c | 6687 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 6688 | wdev->netdev, &survey) < 0) |
61fa713c HS |
6689 | goto out; |
6690 | survey_idx++; | |
6691 | } | |
6692 | ||
6693 | out: | |
97990a06 | 6694 | cb->args[2] = survey_idx; |
61fa713c HS |
6695 | res = skb->len; |
6696 | out_err: | |
1b8ec87a | 6697 | nl80211_finish_wdev_dump(rdev); |
61fa713c HS |
6698 | return res; |
6699 | } | |
6700 | ||
b23aa676 SO |
6701 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
6702 | { | |
6703 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
6704 | NL80211_WPA_VERSION_2)); | |
6705 | } | |
6706 | ||
636a5d36 JM |
6707 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
6708 | { | |
4c476991 JB |
6709 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6710 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 6711 | struct ieee80211_channel *chan; |
e39e5b5e JM |
6712 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
6713 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 6714 | enum nl80211_auth_type auth_type; |
fffd0934 | 6715 | struct key_parse key; |
d5cdfacb | 6716 | bool local_state_change; |
636a5d36 | 6717 | |
f4a11bb0 JB |
6718 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6719 | return -EINVAL; | |
6720 | ||
6721 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6722 | return -EINVAL; | |
6723 | ||
1778092e JM |
6724 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
6725 | return -EINVAL; | |
6726 | ||
19957bb3 JB |
6727 | if (!info->attrs[NL80211_ATTR_SSID]) |
6728 | return -EINVAL; | |
6729 | ||
6730 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
6731 | return -EINVAL; | |
6732 | ||
fffd0934 JB |
6733 | err = nl80211_parse_key(info, &key); |
6734 | if (err) | |
6735 | return err; | |
6736 | ||
6737 | if (key.idx >= 0) { | |
e31b8213 JB |
6738 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
6739 | return -EINVAL; | |
fffd0934 JB |
6740 | if (!key.p.key || !key.p.key_len) |
6741 | return -EINVAL; | |
6742 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
6743 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
6744 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
6745 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
6746 | return -EINVAL; | |
6747 | if (key.idx > 4) | |
6748 | return -EINVAL; | |
6749 | } else { | |
6750 | key.p.key_len = 0; | |
6751 | key.p.key = NULL; | |
6752 | } | |
6753 | ||
afea0b7a JB |
6754 | if (key.idx >= 0) { |
6755 | int i; | |
6756 | bool ok = false; | |
6757 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { | |
6758 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
6759 | ok = true; | |
6760 | break; | |
6761 | } | |
6762 | } | |
4c476991 JB |
6763 | if (!ok) |
6764 | return -EINVAL; | |
afea0b7a JB |
6765 | } |
6766 | ||
4c476991 JB |
6767 | if (!rdev->ops->auth) |
6768 | return -EOPNOTSUPP; | |
636a5d36 | 6769 | |
074ac8df | 6770 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
6771 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
6772 | return -EOPNOTSUPP; | |
eec60b03 | 6773 | |
19957bb3 | 6774 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
6775 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
6776 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
6777 | if (!chan) | |
4c476991 | 6778 | return -EINVAL; |
636a5d36 | 6779 | |
19957bb3 JB |
6780 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6781 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6782 | |
6783 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
6784 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6785 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6786 | } |
6787 | ||
19957bb3 | 6788 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 6789 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 6790 | return -EINVAL; |
636a5d36 | 6791 | |
e39e5b5e JM |
6792 | if (auth_type == NL80211_AUTHTYPE_SAE && |
6793 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
6794 | return -EINVAL; | |
6795 | ||
6796 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
6797 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
6798 | return -EINVAL; | |
6799 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6800 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
6801 | /* need to include at least Auth Transaction and Status Code */ | |
6802 | if (sae_data_len < 4) | |
6803 | return -EINVAL; | |
6804 | } | |
6805 | ||
d5cdfacb JM |
6806 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
6807 | ||
95de817b JB |
6808 | /* |
6809 | * Since we no longer track auth state, ignore | |
6810 | * requests to only change local state. | |
6811 | */ | |
6812 | if (local_state_change) | |
6813 | return 0; | |
6814 | ||
91bf9b26 JB |
6815 | wdev_lock(dev->ieee80211_ptr); |
6816 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
6817 | ssid, ssid_len, ie, ie_len, | |
6818 | key.p.key, key.p.key_len, key.idx, | |
6819 | sae_data, sae_data_len); | |
6820 | wdev_unlock(dev->ieee80211_ptr); | |
6821 | return err; | |
636a5d36 JM |
6822 | } |
6823 | ||
c0692b8f JB |
6824 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
6825 | struct genl_info *info, | |
3dc27d25 JB |
6826 | struct cfg80211_crypto_settings *settings, |
6827 | int cipher_limit) | |
b23aa676 | 6828 | { |
c0b2bbd8 JB |
6829 | memset(settings, 0, sizeof(*settings)); |
6830 | ||
b23aa676 SO |
6831 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
6832 | ||
c0692b8f JB |
6833 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
6834 | u16 proto; | |
6835 | proto = nla_get_u16( | |
6836 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
6837 | settings->control_port_ethertype = cpu_to_be16(proto); | |
6838 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
6839 | proto != ETH_P_PAE) | |
6840 | return -EINVAL; | |
6841 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
6842 | settings->control_port_no_encrypt = true; | |
6843 | } else | |
6844 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
6845 | ||
b23aa676 SO |
6846 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
6847 | void *data; | |
6848 | int len, i; | |
6849 | ||
6850 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6851 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
6852 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
6853 | ||
6854 | if (len % sizeof(u32)) | |
6855 | return -EINVAL; | |
6856 | ||
3dc27d25 | 6857 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
6858 | return -EINVAL; |
6859 | ||
6860 | memcpy(settings->ciphers_pairwise, data, len); | |
6861 | ||
6862 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
6863 | if (!cfg80211_supported_cipher_suite( |
6864 | &rdev->wiphy, | |
b23aa676 SO |
6865 | settings->ciphers_pairwise[i])) |
6866 | return -EINVAL; | |
6867 | } | |
6868 | ||
6869 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
6870 | settings->cipher_group = | |
6871 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
6872 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
6873 | settings->cipher_group)) | |
b23aa676 SO |
6874 | return -EINVAL; |
6875 | } | |
6876 | ||
6877 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
6878 | settings->wpa_versions = | |
6879 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
6880 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
6881 | return -EINVAL; | |
6882 | } | |
6883 | ||
6884 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
6885 | void *data; | |
6d30240e | 6886 | int len; |
b23aa676 SO |
6887 | |
6888 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6889 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
6890 | settings->n_akm_suites = len / sizeof(u32); | |
6891 | ||
6892 | if (len % sizeof(u32)) | |
6893 | return -EINVAL; | |
6894 | ||
1b9ca027 JM |
6895 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
6896 | return -EINVAL; | |
6897 | ||
b23aa676 | 6898 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
6899 | } |
6900 | ||
6901 | return 0; | |
6902 | } | |
6903 | ||
636a5d36 JM |
6904 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
6905 | { | |
4c476991 JB |
6906 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6907 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 6908 | struct ieee80211_channel *chan; |
f62fab73 JB |
6909 | struct cfg80211_assoc_request req = {}; |
6910 | const u8 *bssid, *ssid; | |
6911 | int err, ssid_len = 0; | |
636a5d36 | 6912 | |
f4a11bb0 JB |
6913 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6914 | return -EINVAL; | |
6915 | ||
6916 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
6917 | !info->attrs[NL80211_ATTR_SSID] || |
6918 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
6919 | return -EINVAL; |
6920 | ||
4c476991 JB |
6921 | if (!rdev->ops->assoc) |
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 | |
664834de JM |
6930 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
6931 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
6932 | if (!chan) | |
4c476991 | 6933 | return -EINVAL; |
636a5d36 | 6934 | |
19957bb3 JB |
6935 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
6936 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
6937 | |
6938 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
6939 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
6940 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
6941 | } |
6942 | ||
dc6382ce | 6943 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 6944 | enum nl80211_mfp mfp = |
dc6382ce | 6945 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 6946 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 6947 | req.use_mfp = true; |
4c476991 JB |
6948 | else if (mfp != NL80211_MFP_NO) |
6949 | return -EINVAL; | |
dc6382ce JM |
6950 | } |
6951 | ||
3e5d7649 | 6952 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 6953 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 6954 | |
7e7c8926 | 6955 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 6956 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
6957 | |
6958 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
6959 | memcpy(&req.ht_capa_mask, |
6960 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
6961 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
6962 | |
6963 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 6964 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 6965 | return -EINVAL; |
f62fab73 JB |
6966 | memcpy(&req.ht_capa, |
6967 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
6968 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
6969 | } |
6970 | ||
ee2aca34 | 6971 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 6972 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
6973 | |
6974 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
6975 | memcpy(&req.vht_capa_mask, |
6976 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
6977 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
6978 | |
6979 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 6980 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 6981 | return -EINVAL; |
f62fab73 JB |
6982 | memcpy(&req.vht_capa, |
6983 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
6984 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
6985 | } |
6986 | ||
bab5ab7d AK |
6987 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
6988 | if (!(rdev->wiphy.features & | |
6989 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || | |
6990 | !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) | |
6991 | return -EINVAL; | |
6992 | req.flags |= ASSOC_REQ_USE_RRM; | |
6993 | } | |
6994 | ||
f62fab73 | 6995 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
6996 | if (!err) { |
6997 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
6998 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
6999 | ssid, ssid_len, &req); | |
91bf9b26 JB |
7000 | wdev_unlock(dev->ieee80211_ptr); |
7001 | } | |
636a5d36 | 7002 | |
636a5d36 JM |
7003 | return err; |
7004 | } | |
7005 | ||
7006 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
7007 | { | |
4c476991 JB |
7008 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7009 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7010 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 7011 | int ie_len = 0, err; |
19957bb3 | 7012 | u16 reason_code; |
d5cdfacb | 7013 | bool local_state_change; |
636a5d36 | 7014 | |
f4a11bb0 JB |
7015 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7016 | return -EINVAL; | |
7017 | ||
7018 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7019 | return -EINVAL; | |
7020 | ||
7021 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7022 | return -EINVAL; | |
7023 | ||
4c476991 JB |
7024 | if (!rdev->ops->deauth) |
7025 | return -EOPNOTSUPP; | |
636a5d36 | 7026 | |
074ac8df | 7027 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7028 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7029 | return -EOPNOTSUPP; | |
eec60b03 | 7030 | |
19957bb3 | 7031 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 7032 | |
19957bb3 JB |
7033 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
7034 | if (reason_code == 0) { | |
f4a11bb0 | 7035 | /* Reason Code 0 is reserved */ |
4c476991 | 7036 | return -EINVAL; |
255e737e | 7037 | } |
636a5d36 JM |
7038 | |
7039 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
7040 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7041 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7042 | } |
7043 | ||
d5cdfacb JM |
7044 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
7045 | ||
91bf9b26 JB |
7046 | wdev_lock(dev->ieee80211_ptr); |
7047 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
7048 | local_state_change); | |
7049 | wdev_unlock(dev->ieee80211_ptr); | |
7050 | return err; | |
636a5d36 JM |
7051 | } |
7052 | ||
7053 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
7054 | { | |
4c476991 JB |
7055 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7056 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7057 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 7058 | int ie_len = 0, err; |
19957bb3 | 7059 | u16 reason_code; |
d5cdfacb | 7060 | bool local_state_change; |
636a5d36 | 7061 | |
f4a11bb0 JB |
7062 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7063 | return -EINVAL; | |
7064 | ||
7065 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7066 | return -EINVAL; | |
7067 | ||
7068 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7069 | return -EINVAL; | |
7070 | ||
4c476991 JB |
7071 | if (!rdev->ops->disassoc) |
7072 | return -EOPNOTSUPP; | |
636a5d36 | 7073 | |
074ac8df | 7074 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7075 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7076 | return -EOPNOTSUPP; | |
eec60b03 | 7077 | |
19957bb3 | 7078 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 7079 | |
19957bb3 JB |
7080 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
7081 | if (reason_code == 0) { | |
f4a11bb0 | 7082 | /* Reason Code 0 is reserved */ |
4c476991 | 7083 | return -EINVAL; |
255e737e | 7084 | } |
636a5d36 JM |
7085 | |
7086 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
7087 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7088 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7089 | } |
7090 | ||
d5cdfacb JM |
7091 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
7092 | ||
91bf9b26 JB |
7093 | wdev_lock(dev->ieee80211_ptr); |
7094 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
7095 | local_state_change); | |
7096 | wdev_unlock(dev->ieee80211_ptr); | |
7097 | return err; | |
636a5d36 JM |
7098 | } |
7099 | ||
dd5b4cc7 FF |
7100 | static bool |
7101 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
7102 | int mcast_rate[IEEE80211_NUM_BANDS], | |
7103 | int rateval) | |
7104 | { | |
7105 | struct wiphy *wiphy = &rdev->wiphy; | |
7106 | bool found = false; | |
7107 | int band, i; | |
7108 | ||
7109 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
7110 | struct ieee80211_supported_band *sband; | |
7111 | ||
7112 | sband = wiphy->bands[band]; | |
7113 | if (!sband) | |
7114 | continue; | |
7115 | ||
7116 | for (i = 0; i < sband->n_bitrates; i++) { | |
7117 | if (sband->bitrates[i].bitrate == rateval) { | |
7118 | mcast_rate[band] = i + 1; | |
7119 | found = true; | |
7120 | break; | |
7121 | } | |
7122 | } | |
7123 | } | |
7124 | ||
7125 | return found; | |
7126 | } | |
7127 | ||
04a773ad JB |
7128 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
7129 | { | |
4c476991 JB |
7130 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7131 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
7132 | struct cfg80211_ibss_params ibss; |
7133 | struct wiphy *wiphy; | |
fffd0934 | 7134 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
7135 | int err; |
7136 | ||
8e30bc55 JB |
7137 | memset(&ibss, 0, sizeof(ibss)); |
7138 | ||
04a773ad JB |
7139 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7140 | return -EINVAL; | |
7141 | ||
683b6d3b | 7142 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
7143 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
7144 | return -EINVAL; | |
7145 | ||
8e30bc55 JB |
7146 | ibss.beacon_interval = 100; |
7147 | ||
7148 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
7149 | ibss.beacon_interval = | |
7150 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
7151 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) | |
7152 | return -EINVAL; | |
7153 | } | |
7154 | ||
4c476991 JB |
7155 | if (!rdev->ops->join_ibss) |
7156 | return -EOPNOTSUPP; | |
04a773ad | 7157 | |
4c476991 JB |
7158 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
7159 | return -EOPNOTSUPP; | |
04a773ad | 7160 | |
79c97e97 | 7161 | wiphy = &rdev->wiphy; |
04a773ad | 7162 | |
39193498 | 7163 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 7164 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
7165 | |
7166 | if (!is_valid_ether_addr(ibss.bssid)) | |
7167 | return -EINVAL; | |
7168 | } | |
04a773ad JB |
7169 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7170 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
7171 | ||
7172 | if (info->attrs[NL80211_ATTR_IE]) { | |
7173 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
7174 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
7175 | } | |
7176 | ||
683b6d3b JB |
7177 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
7178 | if (err) | |
7179 | return err; | |
04a773ad | 7180 | |
174e0cd2 IP |
7181 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
7182 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
7183 | return -EINVAL; |
7184 | ||
2f301ab2 | 7185 | switch (ibss.chandef.width) { |
bf372645 SW |
7186 | case NL80211_CHAN_WIDTH_5: |
7187 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
7188 | case NL80211_CHAN_WIDTH_20_NOHT: |
7189 | break; | |
7190 | case NL80211_CHAN_WIDTH_20: | |
7191 | case NL80211_CHAN_WIDTH_40: | |
7192 | if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS) | |
7193 | break; | |
7194 | default: | |
c04d6150 | 7195 | return -EINVAL; |
2f301ab2 | 7196 | } |
db9c64cf | 7197 | |
04a773ad | 7198 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
7199 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
7200 | ||
fbd2c8dc TP |
7201 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
7202 | u8 *rates = | |
7203 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7204 | int n_rates = | |
7205 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7206 | struct ieee80211_supported_band *sband = | |
683b6d3b | 7207 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 7208 | |
34850ab2 JB |
7209 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
7210 | &ibss.basic_rates); | |
7211 | if (err) | |
7212 | return err; | |
fbd2c8dc | 7213 | } |
dd5b4cc7 | 7214 | |
803768f5 SW |
7215 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7216 | memcpy(&ibss.ht_capa_mask, | |
7217 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7218 | sizeof(ibss.ht_capa_mask)); | |
7219 | ||
7220 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
7221 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7222 | return -EINVAL; | |
7223 | memcpy(&ibss.ht_capa, | |
7224 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7225 | sizeof(ibss.ht_capa)); | |
7226 | } | |
7227 | ||
dd5b4cc7 FF |
7228 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
7229 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
7230 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
7231 | return -EINVAL; | |
fbd2c8dc | 7232 | |
4c476991 | 7233 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
7234 | bool no_ht = false; |
7235 | ||
4c476991 | 7236 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
7237 | info->attrs[NL80211_ATTR_KEYS], |
7238 | &no_ht); | |
4c476991 JB |
7239 | if (IS_ERR(connkeys)) |
7240 | return PTR_ERR(connkeys); | |
de7044ee | 7241 | |
3d9d1d66 JB |
7242 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
7243 | no_ht) { | |
de7044ee SM |
7244 | kfree(connkeys); |
7245 | return -EINVAL; | |
7246 | } | |
4c476991 | 7247 | } |
04a773ad | 7248 | |
267335d6 AQ |
7249 | ibss.control_port = |
7250 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
7251 | ||
5336fa88 SW |
7252 | ibss.userspace_handles_dfs = |
7253 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
7254 | ||
4c476991 | 7255 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 | 7256 | if (err) |
b47f610b | 7257 | kzfree(connkeys); |
04a773ad JB |
7258 | return err; |
7259 | } | |
7260 | ||
7261 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
7262 | { | |
4c476991 JB |
7263 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7264 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 7265 | |
4c476991 JB |
7266 | if (!rdev->ops->leave_ibss) |
7267 | return -EOPNOTSUPP; | |
04a773ad | 7268 | |
4c476991 JB |
7269 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
7270 | return -EOPNOTSUPP; | |
04a773ad | 7271 | |
4c476991 | 7272 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
7273 | } |
7274 | ||
f4e583c8 AQ |
7275 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
7276 | { | |
7277 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7278 | struct net_device *dev = info->user_ptr[1]; | |
7279 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
7280 | u32 nla_rate; | |
7281 | int err; | |
7282 | ||
7283 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
7284 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
7285 | return -EOPNOTSUPP; | |
7286 | ||
7287 | if (!rdev->ops->set_mcast_rate) | |
7288 | return -EOPNOTSUPP; | |
7289 | ||
7290 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
7291 | ||
7292 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
7293 | return -EINVAL; | |
7294 | ||
7295 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
7296 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
7297 | return -EINVAL; | |
7298 | ||
7299 | err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate); | |
7300 | ||
7301 | return err; | |
7302 | } | |
7303 | ||
ad7e718c JB |
7304 | static struct sk_buff * |
7305 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
7306 | int approxlen, u32 portid, u32 seq, | |
7307 | enum nl80211_commands cmd, | |
567ffc35 JB |
7308 | enum nl80211_attrs attr, |
7309 | const struct nl80211_vendor_cmd_info *info, | |
7310 | gfp_t gfp) | |
ad7e718c JB |
7311 | { |
7312 | struct sk_buff *skb; | |
7313 | void *hdr; | |
7314 | struct nlattr *data; | |
7315 | ||
7316 | skb = nlmsg_new(approxlen + 100, gfp); | |
7317 | if (!skb) | |
7318 | return NULL; | |
7319 | ||
7320 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
7321 | if (!hdr) { | |
7322 | kfree_skb(skb); | |
7323 | return NULL; | |
7324 | } | |
7325 | ||
7326 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
7327 | goto nla_put_failure; | |
567ffc35 JB |
7328 | |
7329 | if (info) { | |
7330 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
7331 | info->vendor_id)) | |
7332 | goto nla_put_failure; | |
7333 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
7334 | info->subcmd)) | |
7335 | goto nla_put_failure; | |
7336 | } | |
7337 | ||
ad7e718c JB |
7338 | data = nla_nest_start(skb, attr); |
7339 | ||
7340 | ((void **)skb->cb)[0] = rdev; | |
7341 | ((void **)skb->cb)[1] = hdr; | |
7342 | ((void **)skb->cb)[2] = data; | |
7343 | ||
7344 | return skb; | |
7345 | ||
7346 | nla_put_failure: | |
7347 | kfree_skb(skb); | |
7348 | return NULL; | |
7349 | } | |
f4e583c8 | 7350 | |
e03ad6ea JB |
7351 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
7352 | enum nl80211_commands cmd, | |
7353 | enum nl80211_attrs attr, | |
7354 | int vendor_event_idx, | |
7355 | int approxlen, gfp_t gfp) | |
7356 | { | |
f26cbf40 | 7357 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
7358 | const struct nl80211_vendor_cmd_info *info; |
7359 | ||
7360 | switch (cmd) { | |
7361 | case NL80211_CMD_TESTMODE: | |
7362 | if (WARN_ON(vendor_event_idx != -1)) | |
7363 | return NULL; | |
7364 | info = NULL; | |
7365 | break; | |
7366 | case NL80211_CMD_VENDOR: | |
7367 | if (WARN_ON(vendor_event_idx < 0 || | |
7368 | vendor_event_idx >= wiphy->n_vendor_events)) | |
7369 | return NULL; | |
7370 | info = &wiphy->vendor_events[vendor_event_idx]; | |
7371 | break; | |
7372 | default: | |
7373 | WARN_ON(1); | |
7374 | return NULL; | |
7375 | } | |
7376 | ||
7377 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0, | |
7378 | cmd, attr, info, gfp); | |
7379 | } | |
7380 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
7381 | ||
7382 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
7383 | { | |
7384 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
7385 | void *hdr = ((void **)skb->cb)[1]; | |
7386 | struct nlattr *data = ((void **)skb->cb)[2]; | |
7387 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
7388 | ||
bd8c78e7 JB |
7389 | /* clear CB data for netlink core to own from now on */ |
7390 | memset(skb->cb, 0, sizeof(skb->cb)); | |
7391 | ||
e03ad6ea JB |
7392 | nla_nest_end(skb, data); |
7393 | genlmsg_end(skb, hdr); | |
7394 | ||
7395 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
7396 | mcgrp = NL80211_MCGRP_VENDOR; | |
7397 | ||
7398 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
7399 | mcgrp, gfp); | |
7400 | } | |
7401 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
7402 | ||
aff89a9b | 7403 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
7404 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
7405 | { | |
4c476991 | 7406 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
7407 | struct wireless_dev *wdev = |
7408 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
7409 | int err; |
7410 | ||
fc73f11f DS |
7411 | if (!rdev->ops->testmode_cmd) |
7412 | return -EOPNOTSUPP; | |
7413 | ||
7414 | if (IS_ERR(wdev)) { | |
7415 | err = PTR_ERR(wdev); | |
7416 | if (err != -EINVAL) | |
7417 | return err; | |
7418 | wdev = NULL; | |
7419 | } else if (wdev->wiphy != &rdev->wiphy) { | |
7420 | return -EINVAL; | |
7421 | } | |
7422 | ||
aff89a9b JB |
7423 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
7424 | return -EINVAL; | |
7425 | ||
ad7e718c | 7426 | rdev->cur_cmd_info = info; |
fc73f11f | 7427 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
7428 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
7429 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 7430 | rdev->cur_cmd_info = NULL; |
aff89a9b | 7431 | |
aff89a9b JB |
7432 | return err; |
7433 | } | |
7434 | ||
71063f0e WYG |
7435 | static int nl80211_testmode_dump(struct sk_buff *skb, |
7436 | struct netlink_callback *cb) | |
7437 | { | |
00918d33 | 7438 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
7439 | int err; |
7440 | long phy_idx; | |
7441 | void *data = NULL; | |
7442 | int data_len = 0; | |
7443 | ||
5fe231e8 JB |
7444 | rtnl_lock(); |
7445 | ||
71063f0e WYG |
7446 | if (cb->args[0]) { |
7447 | /* | |
7448 | * 0 is a valid index, but not valid for args[0], | |
7449 | * so we need to offset by 1. | |
7450 | */ | |
7451 | phy_idx = cb->args[0] - 1; | |
7452 | } else { | |
7453 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
7454 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
7455 | nl80211_policy); | |
7456 | if (err) | |
5fe231e8 | 7457 | goto out_err; |
00918d33 | 7458 | |
2bd7e35d JB |
7459 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
7460 | nl80211_fam.attrbuf); | |
7461 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
7462 | err = PTR_ERR(rdev); |
7463 | goto out_err; | |
00918d33 | 7464 | } |
2bd7e35d JB |
7465 | phy_idx = rdev->wiphy_idx; |
7466 | rdev = NULL; | |
2bd7e35d | 7467 | |
71063f0e WYG |
7468 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
7469 | cb->args[1] = | |
7470 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
7471 | } | |
7472 | ||
7473 | if (cb->args[1]) { | |
7474 | data = nla_data((void *)cb->args[1]); | |
7475 | data_len = nla_len((void *)cb->args[1]); | |
7476 | } | |
7477 | ||
00918d33 JB |
7478 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
7479 | if (!rdev) { | |
5fe231e8 JB |
7480 | err = -ENOENT; |
7481 | goto out_err; | |
71063f0e | 7482 | } |
71063f0e | 7483 | |
00918d33 | 7484 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
7485 | err = -EOPNOTSUPP; |
7486 | goto out_err; | |
7487 | } | |
7488 | ||
7489 | while (1) { | |
15e47304 | 7490 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
7491 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
7492 | NL80211_CMD_TESTMODE); | |
7493 | struct nlattr *tmdata; | |
7494 | ||
cb35fba3 DC |
7495 | if (!hdr) |
7496 | break; | |
7497 | ||
9360ffd1 | 7498 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
7499 | genlmsg_cancel(skb, hdr); |
7500 | break; | |
7501 | } | |
7502 | ||
7503 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
7504 | if (!tmdata) { | |
7505 | genlmsg_cancel(skb, hdr); | |
7506 | break; | |
7507 | } | |
e35e4d28 | 7508 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
7509 | nla_nest_end(skb, tmdata); |
7510 | ||
7511 | if (err == -ENOBUFS || err == -ENOENT) { | |
7512 | genlmsg_cancel(skb, hdr); | |
7513 | break; | |
7514 | } else if (err) { | |
7515 | genlmsg_cancel(skb, hdr); | |
7516 | goto out_err; | |
7517 | } | |
7518 | ||
7519 | genlmsg_end(skb, hdr); | |
7520 | } | |
7521 | ||
7522 | err = skb->len; | |
7523 | /* see above */ | |
7524 | cb->args[0] = phy_idx + 1; | |
7525 | out_err: | |
5fe231e8 | 7526 | rtnl_unlock(); |
71063f0e WYG |
7527 | return err; |
7528 | } | |
aff89a9b JB |
7529 | #endif |
7530 | ||
b23aa676 SO |
7531 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
7532 | { | |
4c476991 JB |
7533 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7534 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
7535 | struct cfg80211_connect_params connect; |
7536 | struct wiphy *wiphy; | |
fffd0934 | 7537 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
7538 | int err; |
7539 | ||
7540 | memset(&connect, 0, sizeof(connect)); | |
7541 | ||
7542 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
7543 | return -EINVAL; | |
7544 | ||
7545 | if (!info->attrs[NL80211_ATTR_SSID] || | |
7546 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
7547 | return -EINVAL; | |
7548 | ||
7549 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
7550 | connect.auth_type = | |
7551 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
7552 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
7553 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
7554 | return -EINVAL; |
7555 | } else | |
7556 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
7557 | ||
7558 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
7559 | ||
c0692b8f | 7560 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 7561 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
7562 | if (err) |
7563 | return err; | |
b23aa676 | 7564 | |
074ac8df | 7565 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7566 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7567 | return -EOPNOTSUPP; | |
b23aa676 | 7568 | |
79c97e97 | 7569 | wiphy = &rdev->wiphy; |
b23aa676 | 7570 | |
4486ea98 BS |
7571 | connect.bg_scan_period = -1; |
7572 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
7573 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
7574 | connect.bg_scan_period = | |
7575 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
7576 | } | |
7577 | ||
b23aa676 SO |
7578 | if (info->attrs[NL80211_ATTR_MAC]) |
7579 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
7580 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
7581 | connect.bssid_hint = | |
7582 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
7583 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7584 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
7585 | ||
7586 | if (info->attrs[NL80211_ATTR_IE]) { | |
7587 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
7588 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
7589 | } | |
7590 | ||
cee00a95 JM |
7591 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
7592 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
7593 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
7594 | connect.mfp != NL80211_MFP_NO) | |
7595 | return -EINVAL; | |
7596 | } else { | |
7597 | connect.mfp = NL80211_MFP_NO; | |
7598 | } | |
7599 | ||
b23aa676 | 7600 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
7601 | connect.channel = nl80211_get_valid_chan( |
7602 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7603 | if (!connect.channel) | |
1df4a510 JM |
7604 | return -EINVAL; |
7605 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
7606 | connect.channel_hint = nl80211_get_valid_chan( |
7607 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
7608 | if (!connect.channel_hint) | |
4c476991 | 7609 | return -EINVAL; |
b23aa676 SO |
7610 | } |
7611 | ||
fffd0934 JB |
7612 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
7613 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 7614 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
7615 | if (IS_ERR(connkeys)) |
7616 | return PTR_ERR(connkeys); | |
fffd0934 JB |
7617 | } |
7618 | ||
7e7c8926 BG |
7619 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
7620 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
7621 | ||
7622 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
7623 | memcpy(&connect.ht_capa_mask, | |
7624 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7625 | sizeof(connect.ht_capa_mask)); | |
7626 | ||
7627 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 7628 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 7629 | kzfree(connkeys); |
7e7c8926 | 7630 | return -EINVAL; |
b4e4f47e | 7631 | } |
7e7c8926 BG |
7632 | memcpy(&connect.ht_capa, |
7633 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7634 | sizeof(connect.ht_capa)); | |
7635 | } | |
7636 | ||
ee2aca34 JB |
7637 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
7638 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
7639 | ||
7640 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
7641 | memcpy(&connect.vht_capa_mask, | |
7642 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7643 | sizeof(connect.vht_capa_mask)); | |
7644 | ||
7645 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
7646 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 7647 | kzfree(connkeys); |
ee2aca34 JB |
7648 | return -EINVAL; |
7649 | } | |
7650 | memcpy(&connect.vht_capa, | |
7651 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7652 | sizeof(connect.vht_capa)); | |
7653 | } | |
7654 | ||
bab5ab7d AK |
7655 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
7656 | if (!(rdev->wiphy.features & | |
7657 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || | |
7658 | !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) | |
7659 | return -EINVAL; | |
7660 | connect.flags |= ASSOC_REQ_USE_RRM; | |
7661 | } | |
7662 | ||
83739b03 JB |
7663 | wdev_lock(dev->ieee80211_ptr); |
7664 | err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL); | |
7665 | wdev_unlock(dev->ieee80211_ptr); | |
fffd0934 | 7666 | if (err) |
b47f610b | 7667 | kzfree(connkeys); |
b23aa676 SO |
7668 | return err; |
7669 | } | |
7670 | ||
7671 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
7672 | { | |
4c476991 JB |
7673 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7674 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 7675 | u16 reason; |
83739b03 | 7676 | int ret; |
b23aa676 SO |
7677 | |
7678 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
7679 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
7680 | else | |
7681 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
7682 | ||
7683 | if (reason == 0) | |
7684 | return -EINVAL; | |
7685 | ||
074ac8df | 7686 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7687 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7688 | return -EOPNOTSUPP; | |
b23aa676 | 7689 | |
83739b03 JB |
7690 | wdev_lock(dev->ieee80211_ptr); |
7691 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
7692 | wdev_unlock(dev->ieee80211_ptr); | |
7693 | return ret; | |
b23aa676 SO |
7694 | } |
7695 | ||
463d0183 JB |
7696 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
7697 | { | |
4c476991 | 7698 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
7699 | struct net *net; |
7700 | int err; | |
7701 | u32 pid; | |
7702 | ||
7703 | if (!info->attrs[NL80211_ATTR_PID]) | |
7704 | return -EINVAL; | |
7705 | ||
7706 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
7707 | ||
463d0183 | 7708 | net = get_net_ns_by_pid(pid); |
4c476991 JB |
7709 | if (IS_ERR(net)) |
7710 | return PTR_ERR(net); | |
463d0183 JB |
7711 | |
7712 | err = 0; | |
7713 | ||
7714 | /* check if anything to do */ | |
4c476991 JB |
7715 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
7716 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 7717 | |
463d0183 | 7718 | put_net(net); |
463d0183 JB |
7719 | return err; |
7720 | } | |
7721 | ||
67fbb16b SO |
7722 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
7723 | { | |
4c476991 | 7724 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
7725 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
7726 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 7727 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
7728 | struct cfg80211_pmksa pmksa; |
7729 | ||
7730 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
7731 | ||
7732 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7733 | return -EINVAL; | |
7734 | ||
7735 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
7736 | return -EINVAL; | |
7737 | ||
67fbb16b SO |
7738 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
7739 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7740 | ||
074ac8df | 7741 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7742 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7743 | return -EOPNOTSUPP; | |
67fbb16b SO |
7744 | |
7745 | switch (info->genlhdr->cmd) { | |
7746 | case NL80211_CMD_SET_PMKSA: | |
7747 | rdev_ops = rdev->ops->set_pmksa; | |
7748 | break; | |
7749 | case NL80211_CMD_DEL_PMKSA: | |
7750 | rdev_ops = rdev->ops->del_pmksa; | |
7751 | break; | |
7752 | default: | |
7753 | WARN_ON(1); | |
7754 | break; | |
7755 | } | |
7756 | ||
4c476991 JB |
7757 | if (!rdev_ops) |
7758 | return -EOPNOTSUPP; | |
67fbb16b | 7759 | |
4c476991 | 7760 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
7761 | } |
7762 | ||
7763 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
7764 | { | |
4c476991 JB |
7765 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7766 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 7767 | |
074ac8df | 7768 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7769 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7770 | return -EOPNOTSUPP; | |
67fbb16b | 7771 | |
4c476991 JB |
7772 | if (!rdev->ops->flush_pmksa) |
7773 | return -EOPNOTSUPP; | |
67fbb16b | 7774 | |
e35e4d28 | 7775 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
7776 | } |
7777 | ||
109086ce AN |
7778 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
7779 | { | |
7780 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7781 | struct net_device *dev = info->user_ptr[1]; | |
7782 | u8 action_code, dialog_token; | |
df942e7b | 7783 | u32 peer_capability = 0; |
109086ce AN |
7784 | u16 status_code; |
7785 | u8 *peer; | |
31fa97c5 | 7786 | bool initiator; |
109086ce AN |
7787 | |
7788 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7789 | !rdev->ops->tdls_mgmt) | |
7790 | return -EOPNOTSUPP; | |
7791 | ||
7792 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
7793 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
7794 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
7795 | !info->attrs[NL80211_ATTR_IE] || | |
7796 | !info->attrs[NL80211_ATTR_MAC]) | |
7797 | return -EINVAL; | |
7798 | ||
7799 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7800 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
7801 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
7802 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 7803 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
7804 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
7805 | peer_capability = | |
7806 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 7807 | |
e35e4d28 | 7808 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 7809 | dialog_token, status_code, peer_capability, |
31fa97c5 | 7810 | initiator, |
e35e4d28 HG |
7811 | nla_data(info->attrs[NL80211_ATTR_IE]), |
7812 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
7813 | } |
7814 | ||
7815 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
7816 | { | |
7817 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7818 | struct net_device *dev = info->user_ptr[1]; | |
7819 | enum nl80211_tdls_operation operation; | |
7820 | u8 *peer; | |
7821 | ||
7822 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
7823 | !rdev->ops->tdls_oper) | |
7824 | return -EOPNOTSUPP; | |
7825 | ||
7826 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
7827 | !info->attrs[NL80211_ATTR_MAC]) | |
7828 | return -EINVAL; | |
7829 | ||
7830 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
7831 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7832 | ||
e35e4d28 | 7833 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
7834 | } |
7835 | ||
9588bbd5 JM |
7836 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
7837 | struct genl_info *info) | |
7838 | { | |
4c476991 | 7839 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7840 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 7841 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
7842 | struct sk_buff *msg; |
7843 | void *hdr; | |
7844 | u64 cookie; | |
683b6d3b | 7845 | u32 duration; |
9588bbd5 JM |
7846 | int err; |
7847 | ||
7848 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7849 | !info->attrs[NL80211_ATTR_DURATION]) | |
7850 | return -EINVAL; | |
7851 | ||
7852 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
7853 | ||
ebf348fc JB |
7854 | if (!rdev->ops->remain_on_channel || |
7855 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
7856 | return -EOPNOTSUPP; | |
7857 | ||
9588bbd5 | 7858 | /* |
ebf348fc JB |
7859 | * We should be on that channel for at least a minimum amount of |
7860 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 7861 | */ |
ebf348fc | 7862 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 7863 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
7864 | return -EINVAL; |
7865 | ||
683b6d3b JB |
7866 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7867 | if (err) | |
7868 | return err; | |
9588bbd5 JM |
7869 | |
7870 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
7871 | if (!msg) |
7872 | return -ENOMEM; | |
9588bbd5 | 7873 | |
15e47304 | 7874 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 7875 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
7876 | if (!hdr) { |
7877 | err = -ENOBUFS; | |
9588bbd5 JM |
7878 | goto free_msg; |
7879 | } | |
7880 | ||
683b6d3b JB |
7881 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
7882 | duration, &cookie); | |
9588bbd5 JM |
7883 | |
7884 | if (err) | |
7885 | goto free_msg; | |
7886 | ||
9360ffd1 DM |
7887 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
7888 | goto nla_put_failure; | |
9588bbd5 JM |
7889 | |
7890 | genlmsg_end(msg, hdr); | |
4c476991 JB |
7891 | |
7892 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
7893 | |
7894 | nla_put_failure: | |
7895 | err = -ENOBUFS; | |
7896 | free_msg: | |
7897 | nlmsg_free(msg); | |
9588bbd5 JM |
7898 | return err; |
7899 | } | |
7900 | ||
7901 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
7902 | struct genl_info *info) | |
7903 | { | |
4c476991 | 7904 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 7905 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 7906 | u64 cookie; |
9588bbd5 JM |
7907 | |
7908 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
7909 | return -EINVAL; | |
7910 | ||
4c476991 JB |
7911 | if (!rdev->ops->cancel_remain_on_channel) |
7912 | return -EOPNOTSUPP; | |
9588bbd5 | 7913 | |
9588bbd5 JM |
7914 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
7915 | ||
e35e4d28 | 7916 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
7917 | } |
7918 | ||
13ae75b1 JM |
7919 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
7920 | u8 *rates, u8 rates_len) | |
7921 | { | |
7922 | u8 i; | |
7923 | u32 mask = 0; | |
7924 | ||
7925 | for (i = 0; i < rates_len; i++) { | |
7926 | int rate = (rates[i] & 0x7f) * 5; | |
7927 | int ridx; | |
7928 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
7929 | struct ieee80211_rate *srate = | |
7930 | &sband->bitrates[ridx]; | |
7931 | if (rate == srate->bitrate) { | |
7932 | mask |= 1 << ridx; | |
7933 | break; | |
7934 | } | |
7935 | } | |
7936 | if (ridx == sband->n_bitrates) | |
7937 | return 0; /* rate not found */ | |
7938 | } | |
7939 | ||
7940 | return mask; | |
7941 | } | |
7942 | ||
24db78c0 SW |
7943 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
7944 | u8 *rates, u8 rates_len, | |
7945 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
7946 | { | |
7947 | u8 i; | |
7948 | ||
7949 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
7950 | ||
7951 | for (i = 0; i < rates_len; i++) { | |
7952 | int ridx, rbit; | |
7953 | ||
7954 | ridx = rates[i] / 8; | |
7955 | rbit = BIT(rates[i] % 8); | |
7956 | ||
7957 | /* check validity */ | |
910570b5 | 7958 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
24db78c0 SW |
7959 | return false; |
7960 | ||
7961 | /* check availability */ | |
7962 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
7963 | mcs[ridx] |= rbit; | |
7964 | else | |
7965 | return false; | |
7966 | } | |
7967 | ||
7968 | return true; | |
7969 | } | |
7970 | ||
204e35a9 JD |
7971 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) |
7972 | { | |
7973 | u16 mcs_mask = 0; | |
7974 | ||
7975 | switch (vht_mcs_map) { | |
7976 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
7977 | break; | |
7978 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
7979 | mcs_mask = 0x00FF; | |
7980 | break; | |
7981 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
7982 | mcs_mask = 0x01FF; | |
7983 | break; | |
7984 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
7985 | mcs_mask = 0x03FF; | |
7986 | break; | |
7987 | default: | |
7988 | break; | |
7989 | } | |
7990 | ||
7991 | return mcs_mask; | |
7992 | } | |
7993 | ||
7994 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
7995 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
7996 | { | |
7997 | u8 nss; | |
7998 | ||
7999 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
8000 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
8001 | vht_mcs_map >>= 2; | |
8002 | } | |
8003 | } | |
8004 | ||
8005 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
8006 | struct nl80211_txrate_vht *txrate, | |
8007 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
8008 | { | |
8009 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
8010 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
8011 | u8 i; | |
8012 | ||
8013 | if (!sband->vht_cap.vht_supported) | |
8014 | return false; | |
8015 | ||
8016 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
8017 | ||
8018 | /* Build vht_mcs_mask from VHT capabilities */ | |
8019 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
8020 | ||
8021 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
8022 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
8023 | mcs[i] = txrate->mcs[i]; | |
8024 | else | |
8025 | return false; | |
8026 | } | |
8027 | ||
8028 | return true; | |
8029 | } | |
8030 | ||
b54452b0 | 8031 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
13ae75b1 JM |
8032 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
8033 | .len = NL80211_MAX_SUPP_RATES }, | |
d1e33e65 JD |
8034 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, |
8035 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
204e35a9 | 8036 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, |
0b9323f6 | 8037 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, |
13ae75b1 JM |
8038 | }; |
8039 | ||
8040 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, | |
8041 | struct genl_info *info) | |
8042 | { | |
8043 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4c476991 | 8044 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
13ae75b1 | 8045 | struct cfg80211_bitrate_mask mask; |
4c476991 JB |
8046 | int rem, i; |
8047 | struct net_device *dev = info->user_ptr[1]; | |
13ae75b1 JM |
8048 | struct nlattr *tx_rates; |
8049 | struct ieee80211_supported_band *sband; | |
204e35a9 | 8050 | u16 vht_tx_mcs_map; |
13ae75b1 | 8051 | |
4c476991 JB |
8052 | if (!rdev->ops->set_bitrate_mask) |
8053 | return -EOPNOTSUPP; | |
13ae75b1 JM |
8054 | |
8055 | memset(&mask, 0, sizeof(mask)); | |
8056 | /* Default to all rates enabled */ | |
8057 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { | |
8058 | sband = rdev->wiphy.bands[i]; | |
7869303b JD |
8059 | |
8060 | if (!sband) | |
8061 | continue; | |
8062 | ||
8063 | mask.control[i].legacy = (1 << sband->n_bitrates) - 1; | |
d1e33e65 | 8064 | memcpy(mask.control[i].ht_mcs, |
7869303b | 8065 | sband->ht_cap.mcs.rx_mask, |
d1e33e65 | 8066 | sizeof(mask.control[i].ht_mcs)); |
204e35a9 JD |
8067 | |
8068 | if (!sband->vht_cap.vht_supported) | |
8069 | continue; | |
8070 | ||
8071 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
8072 | vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs); | |
13ae75b1 JM |
8073 | } |
8074 | ||
b9243ab0 JD |
8075 | /* if no rates are given set it back to the defaults */ |
8076 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
8077 | goto out; | |
8078 | ||
13ae75b1 JM |
8079 | /* |
8080 | * The nested attribute uses enum nl80211_band as the index. This maps | |
8081 | * directly to the enum ieee80211_band values used in cfg80211. | |
8082 | */ | |
24db78c0 | 8083 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
ae811e21 | 8084 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { |
13ae75b1 | 8085 | enum ieee80211_band band = nla_type(tx_rates); |
ae811e21 JB |
8086 | int err; |
8087 | ||
4c476991 JB |
8088 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
8089 | return -EINVAL; | |
13ae75b1 | 8090 | sband = rdev->wiphy.bands[band]; |
4c476991 JB |
8091 | if (sband == NULL) |
8092 | return -EINVAL; | |
ae811e21 JB |
8093 | err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
8094 | nla_len(tx_rates), nl80211_txattr_policy); | |
8095 | if (err) | |
8096 | return err; | |
13ae75b1 JM |
8097 | if (tb[NL80211_TXRATE_LEGACY]) { |
8098 | mask.control[band].legacy = rateset_to_mask( | |
8099 | sband, | |
8100 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
8101 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
218d2e26 BS |
8102 | if ((mask.control[band].legacy == 0) && |
8103 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
8104 | return -EINVAL; | |
24db78c0 | 8105 | } |
d1e33e65 | 8106 | if (tb[NL80211_TXRATE_HT]) { |
24db78c0 SW |
8107 | if (!ht_rateset_to_mask( |
8108 | sband, | |
d1e33e65 JD |
8109 | nla_data(tb[NL80211_TXRATE_HT]), |
8110 | nla_len(tb[NL80211_TXRATE_HT]), | |
8111 | mask.control[band].ht_mcs)) | |
24db78c0 SW |
8112 | return -EINVAL; |
8113 | } | |
204e35a9 JD |
8114 | if (tb[NL80211_TXRATE_VHT]) { |
8115 | if (!vht_set_mcs_mask( | |
8116 | sband, | |
8117 | nla_data(tb[NL80211_TXRATE_VHT]), | |
8118 | mask.control[band].vht_mcs)) | |
8119 | return -EINVAL; | |
8120 | } | |
0b9323f6 JD |
8121 | if (tb[NL80211_TXRATE_GI]) { |
8122 | mask.control[band].gi = | |
8123 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
8124 | if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
8125 | return -EINVAL; | |
8126 | } | |
24db78c0 SW |
8127 | |
8128 | if (mask.control[band].legacy == 0) { | |
204e35a9 JD |
8129 | /* don't allow empty legacy rates if HT or VHT |
8130 | * are not even supported. | |
8131 | */ | |
8132 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
8133 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
24db78c0 SW |
8134 | return -EINVAL; |
8135 | ||
8136 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
d1e33e65 | 8137 | if (mask.control[band].ht_mcs[i]) |
204e35a9 JD |
8138 | goto out; |
8139 | ||
8140 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
8141 | if (mask.control[band].vht_mcs[i]) | |
8142 | goto out; | |
24db78c0 SW |
8143 | |
8144 | /* legacy and mcs rates may not be both empty */ | |
204e35a9 | 8145 | return -EINVAL; |
13ae75b1 JM |
8146 | } |
8147 | } | |
8148 | ||
b9243ab0 | 8149 | out: |
e35e4d28 | 8150 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
8151 | } |
8152 | ||
2e161f78 | 8153 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 8154 | { |
4c476991 | 8155 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8156 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 8157 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
8158 | |
8159 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
8160 | return -EINVAL; | |
8161 | ||
2e161f78 JB |
8162 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
8163 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 8164 | |
71bbc994 JB |
8165 | switch (wdev->iftype) { |
8166 | case NL80211_IFTYPE_STATION: | |
8167 | case NL80211_IFTYPE_ADHOC: | |
8168 | case NL80211_IFTYPE_P2P_CLIENT: | |
8169 | case NL80211_IFTYPE_AP: | |
8170 | case NL80211_IFTYPE_AP_VLAN: | |
8171 | case NL80211_IFTYPE_MESH_POINT: | |
8172 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 8173 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
8174 | break; |
8175 | default: | |
4c476991 | 8176 | return -EOPNOTSUPP; |
71bbc994 | 8177 | } |
026331c4 JM |
8178 | |
8179 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
8180 | if (!rdev->ops->mgmt_tx) |
8181 | return -EOPNOTSUPP; | |
026331c4 | 8182 | |
15e47304 | 8183 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
8184 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
8185 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
8186 | } |
8187 | ||
2e161f78 | 8188 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 8189 | { |
4c476991 | 8190 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8191 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 8192 | struct cfg80211_chan_def chandef; |
026331c4 | 8193 | int err; |
d64d373f | 8194 | void *hdr = NULL; |
026331c4 | 8195 | u64 cookie; |
e247bd90 | 8196 | struct sk_buff *msg = NULL; |
b176e629 AO |
8197 | struct cfg80211_mgmt_tx_params params = { |
8198 | .dont_wait_for_ack = | |
8199 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
8200 | }; | |
026331c4 | 8201 | |
683b6d3b | 8202 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
8203 | return -EINVAL; |
8204 | ||
4c476991 JB |
8205 | if (!rdev->ops->mgmt_tx) |
8206 | return -EOPNOTSUPP; | |
026331c4 | 8207 | |
71bbc994 | 8208 | switch (wdev->iftype) { |
ea141b75 AQ |
8209 | case NL80211_IFTYPE_P2P_DEVICE: |
8210 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
8211 | return -EINVAL; | |
71bbc994 JB |
8212 | case NL80211_IFTYPE_STATION: |
8213 | case NL80211_IFTYPE_ADHOC: | |
8214 | case NL80211_IFTYPE_P2P_CLIENT: | |
8215 | case NL80211_IFTYPE_AP: | |
8216 | case NL80211_IFTYPE_AP_VLAN: | |
8217 | case NL80211_IFTYPE_MESH_POINT: | |
8218 | case NL80211_IFTYPE_P2P_GO: | |
8219 | break; | |
8220 | default: | |
4c476991 | 8221 | return -EOPNOTSUPP; |
71bbc994 | 8222 | } |
026331c4 | 8223 | |
f7ca38df | 8224 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 8225 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 8226 | return -EINVAL; |
b176e629 | 8227 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
8228 | |
8229 | /* | |
8230 | * We should wait on the channel for at least a minimum amount | |
8231 | * of time (10ms) but no longer than the driver supports. | |
8232 | */ | |
b176e629 AO |
8233 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
8234 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc JB |
8235 | return -EINVAL; |
8236 | ||
f7ca38df JB |
8237 | } |
8238 | ||
b176e629 | 8239 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 8240 | |
b176e629 | 8241 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
8242 | return -EINVAL; |
8243 | ||
b176e629 | 8244 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 8245 | |
ea141b75 AQ |
8246 | /* get the channel if any has been specified, otherwise pass NULL to |
8247 | * the driver. The latter will use the current one | |
8248 | */ | |
8249 | chandef.chan = NULL; | |
8250 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
8251 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
8252 | if (err) | |
8253 | return err; | |
8254 | } | |
8255 | ||
b176e629 | 8256 | if (!chandef.chan && params.offchan) |
ea141b75 | 8257 | return -EINVAL; |
026331c4 | 8258 | |
34d22ce2 AO |
8259 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
8260 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
8261 | ||
8262 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
8263 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
8264 | int i; | |
8265 | ||
8266 | if (len % sizeof(u16)) | |
8267 | return -EINVAL; | |
8268 | ||
8269 | params.n_csa_offsets = len / sizeof(u16); | |
8270 | params.csa_offsets = | |
8271 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
8272 | ||
8273 | /* check that all the offsets fit the frame */ | |
8274 | for (i = 0; i < params.n_csa_offsets; i++) { | |
8275 | if (params.csa_offsets[i] >= params.len) | |
8276 | return -EINVAL; | |
8277 | } | |
8278 | } | |
8279 | ||
b176e629 | 8280 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
8281 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
8282 | if (!msg) | |
8283 | return -ENOMEM; | |
026331c4 | 8284 | |
15e47304 | 8285 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 8286 | NL80211_CMD_FRAME); |
cb35fba3 DC |
8287 | if (!hdr) { |
8288 | err = -ENOBUFS; | |
e247bd90 JB |
8289 | goto free_msg; |
8290 | } | |
026331c4 | 8291 | } |
e247bd90 | 8292 | |
b176e629 AO |
8293 | params.chan = chandef.chan; |
8294 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
8295 | if (err) |
8296 | goto free_msg; | |
8297 | ||
e247bd90 | 8298 | if (msg) { |
9360ffd1 DM |
8299 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
8300 | goto nla_put_failure; | |
026331c4 | 8301 | |
e247bd90 JB |
8302 | genlmsg_end(msg, hdr); |
8303 | return genlmsg_reply(msg, info); | |
8304 | } | |
8305 | ||
8306 | return 0; | |
026331c4 JM |
8307 | |
8308 | nla_put_failure: | |
8309 | err = -ENOBUFS; | |
8310 | free_msg: | |
8311 | nlmsg_free(msg); | |
026331c4 JM |
8312 | return err; |
8313 | } | |
8314 | ||
f7ca38df JB |
8315 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
8316 | { | |
8317 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 8318 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
8319 | u64 cookie; |
8320 | ||
8321 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
8322 | return -EINVAL; | |
8323 | ||
8324 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
8325 | return -EOPNOTSUPP; | |
8326 | ||
71bbc994 JB |
8327 | switch (wdev->iftype) { |
8328 | case NL80211_IFTYPE_STATION: | |
8329 | case NL80211_IFTYPE_ADHOC: | |
8330 | case NL80211_IFTYPE_P2P_CLIENT: | |
8331 | case NL80211_IFTYPE_AP: | |
8332 | case NL80211_IFTYPE_AP_VLAN: | |
8333 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 8334 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 JB |
8335 | break; |
8336 | default: | |
f7ca38df | 8337 | return -EOPNOTSUPP; |
71bbc994 | 8338 | } |
f7ca38df JB |
8339 | |
8340 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
8341 | ||
e35e4d28 | 8342 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
8343 | } |
8344 | ||
ffb9eb3d KV |
8345 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
8346 | { | |
4c476991 | 8347 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 8348 | struct wireless_dev *wdev; |
4c476991 | 8349 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
8350 | u8 ps_state; |
8351 | bool state; | |
8352 | int err; | |
8353 | ||
4c476991 JB |
8354 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
8355 | return -EINVAL; | |
ffb9eb3d KV |
8356 | |
8357 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
8358 | ||
4c476991 JB |
8359 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
8360 | return -EINVAL; | |
ffb9eb3d KV |
8361 | |
8362 | wdev = dev->ieee80211_ptr; | |
8363 | ||
4c476991 JB |
8364 | if (!rdev->ops->set_power_mgmt) |
8365 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
8366 | |
8367 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
8368 | ||
8369 | if (state == wdev->ps) | |
4c476991 | 8370 | return 0; |
ffb9eb3d | 8371 | |
e35e4d28 | 8372 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
8373 | if (!err) |
8374 | wdev->ps = state; | |
ffb9eb3d KV |
8375 | return err; |
8376 | } | |
8377 | ||
8378 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
8379 | { | |
4c476991 | 8380 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
8381 | enum nl80211_ps_state ps_state; |
8382 | struct wireless_dev *wdev; | |
4c476991 | 8383 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
8384 | struct sk_buff *msg; |
8385 | void *hdr; | |
8386 | int err; | |
8387 | ||
ffb9eb3d KV |
8388 | wdev = dev->ieee80211_ptr; |
8389 | ||
4c476991 JB |
8390 | if (!rdev->ops->set_power_mgmt) |
8391 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
8392 | |
8393 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
8394 | if (!msg) |
8395 | return -ENOMEM; | |
ffb9eb3d | 8396 | |
15e47304 | 8397 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
8398 | NL80211_CMD_GET_POWER_SAVE); |
8399 | if (!hdr) { | |
4c476991 | 8400 | err = -ENOBUFS; |
ffb9eb3d KV |
8401 | goto free_msg; |
8402 | } | |
8403 | ||
8404 | if (wdev->ps) | |
8405 | ps_state = NL80211_PS_ENABLED; | |
8406 | else | |
8407 | ps_state = NL80211_PS_DISABLED; | |
8408 | ||
9360ffd1 DM |
8409 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
8410 | goto nla_put_failure; | |
ffb9eb3d KV |
8411 | |
8412 | genlmsg_end(msg, hdr); | |
4c476991 | 8413 | return genlmsg_reply(msg, info); |
ffb9eb3d | 8414 | |
4c476991 | 8415 | nla_put_failure: |
ffb9eb3d | 8416 | err = -ENOBUFS; |
4c476991 | 8417 | free_msg: |
ffb9eb3d | 8418 | nlmsg_free(msg); |
ffb9eb3d KV |
8419 | return err; |
8420 | } | |
8421 | ||
94e860f1 JB |
8422 | static const struct nla_policy |
8423 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
d6dc1a38 JO |
8424 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
8425 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
8426 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
8427 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
8428 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
8429 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
8430 | }; |
8431 | ||
84f10708 | 8432 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 8433 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
8434 | { |
8435 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 8436 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 8437 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 8438 | |
d9d8b019 | 8439 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
8440 | return -EINVAL; |
8441 | ||
84f10708 TP |
8442 | if (!rdev->ops->set_cqm_txe_config) |
8443 | return -EOPNOTSUPP; | |
8444 | ||
8445 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
8446 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
8447 | return -EOPNOTSUPP; | |
8448 | ||
e35e4d28 | 8449 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
8450 | } |
8451 | ||
d6dc1a38 JO |
8452 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
8453 | s32 threshold, u32 hysteresis) | |
8454 | { | |
4c476991 | 8455 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 8456 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 8457 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
8458 | |
8459 | if (threshold > 0) | |
8460 | return -EINVAL; | |
8461 | ||
1da5fcc8 JB |
8462 | /* disabling - hysteresis should also be zero then */ |
8463 | if (threshold == 0) | |
8464 | hysteresis = 0; | |
d6dc1a38 | 8465 | |
4c476991 JB |
8466 | if (!rdev->ops->set_cqm_rssi_config) |
8467 | return -EOPNOTSUPP; | |
d6dc1a38 | 8468 | |
074ac8df | 8469 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8470 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8471 | return -EOPNOTSUPP; | |
d6dc1a38 | 8472 | |
e35e4d28 | 8473 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
8474 | } |
8475 | ||
8476 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
8477 | { | |
8478 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
8479 | struct nlattr *cqm; | |
8480 | int err; | |
8481 | ||
8482 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
8483 | if (!cqm) |
8484 | return -EINVAL; | |
d6dc1a38 JO |
8485 | |
8486 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
8487 | nl80211_attr_cqm_policy); | |
8488 | if (err) | |
1da5fcc8 | 8489 | return err; |
d6dc1a38 JO |
8490 | |
8491 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
8492 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
8493 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
8494 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 8495 | |
1da5fcc8 JB |
8496 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
8497 | } | |
8498 | ||
8499 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
8500 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
8501 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
8502 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
8503 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
8504 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
8505 | ||
8506 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
8507 | } | |
8508 | ||
8509 | return -EINVAL; | |
d6dc1a38 JO |
8510 | } |
8511 | ||
6e0bd6c3 RL |
8512 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
8513 | { | |
8514 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8515 | struct net_device *dev = info->user_ptr[1]; | |
8516 | struct ocb_setup setup = {}; | |
8517 | int err; | |
8518 | ||
8519 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
8520 | if (err) | |
8521 | return err; | |
8522 | ||
8523 | return cfg80211_join_ocb(rdev, dev, &setup); | |
8524 | } | |
8525 | ||
8526 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
8527 | { | |
8528 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8529 | struct net_device *dev = info->user_ptr[1]; | |
8530 | ||
8531 | return cfg80211_leave_ocb(rdev, dev); | |
8532 | } | |
8533 | ||
29cbe68c JB |
8534 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
8535 | { | |
8536 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8537 | struct net_device *dev = info->user_ptr[1]; | |
8538 | struct mesh_config cfg; | |
c80d545d | 8539 | struct mesh_setup setup; |
29cbe68c JB |
8540 | int err; |
8541 | ||
8542 | /* start with default */ | |
8543 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 8544 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 8545 | |
24bdd9f4 | 8546 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 8547 | /* and parse parameters if given */ |
24bdd9f4 | 8548 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
8549 | if (err) |
8550 | return err; | |
8551 | } | |
8552 | ||
8553 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
8554 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
8555 | return -EINVAL; | |
8556 | ||
c80d545d JC |
8557 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
8558 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
8559 | ||
4bb62344 CYY |
8560 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8561 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
8562 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8563 | return -EINVAL; | |
8564 | ||
9bdbf04d MP |
8565 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
8566 | setup.beacon_interval = | |
8567 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
8568 | if (setup.beacon_interval < 10 || | |
8569 | setup.beacon_interval > 10000) | |
8570 | return -EINVAL; | |
8571 | } | |
8572 | ||
8573 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
8574 | setup.dtim_period = | |
8575 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
8576 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
8577 | return -EINVAL; | |
8578 | } | |
8579 | ||
c80d545d JC |
8580 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
8581 | /* parse additional setup parameters if given */ | |
8582 | err = nl80211_parse_mesh_setup(info, &setup); | |
8583 | if (err) | |
8584 | return err; | |
8585 | } | |
8586 | ||
d37bb18a TP |
8587 | if (setup.user_mpm) |
8588 | cfg.auto_open_plinks = false; | |
8589 | ||
cc1d2806 | 8590 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
8591 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
8592 | if (err) | |
8593 | return err; | |
cc1d2806 JB |
8594 | } else { |
8595 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 8596 | setup.chandef.chan = NULL; |
cc1d2806 JB |
8597 | } |
8598 | ||
ffb3cf30 AN |
8599 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8600 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8601 | int n_rates = | |
8602 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8603 | struct ieee80211_supported_band *sband; | |
8604 | ||
8605 | if (!setup.chandef.chan) | |
8606 | return -EINVAL; | |
8607 | ||
8608 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
8609 | ||
8610 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
8611 | &setup.basic_rates); | |
8612 | if (err) | |
8613 | return err; | |
8614 | } | |
8615 | ||
c80d545d | 8616 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
8617 | } |
8618 | ||
8619 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
8620 | { | |
8621 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8622 | struct net_device *dev = info->user_ptr[1]; | |
8623 | ||
8624 | return cfg80211_leave_mesh(rdev, dev); | |
8625 | } | |
8626 | ||
dfb89c56 | 8627 | #ifdef CONFIG_PM |
bb92d199 AK |
8628 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
8629 | struct cfg80211_registered_device *rdev) | |
8630 | { | |
6abb9cb9 | 8631 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
8632 | struct nlattr *nl_pats, *nl_pat; |
8633 | int i, pat_len; | |
8634 | ||
6abb9cb9 | 8635 | if (!wowlan->n_patterns) |
bb92d199 AK |
8636 | return 0; |
8637 | ||
8638 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
8639 | if (!nl_pats) | |
8640 | return -ENOBUFS; | |
8641 | ||
6abb9cb9 | 8642 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
8643 | nl_pat = nla_nest_start(msg, i + 1); |
8644 | if (!nl_pat) | |
8645 | return -ENOBUFS; | |
6abb9cb9 | 8646 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 8647 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 8648 | wowlan->patterns[i].mask) || |
50ac6607 AK |
8649 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
8650 | wowlan->patterns[i].pattern) || | |
8651 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 8652 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
8653 | return -ENOBUFS; |
8654 | nla_nest_end(msg, nl_pat); | |
8655 | } | |
8656 | nla_nest_end(msg, nl_pats); | |
8657 | ||
8658 | return 0; | |
8659 | } | |
8660 | ||
2a0e047e JB |
8661 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
8662 | struct cfg80211_wowlan_tcp *tcp) | |
8663 | { | |
8664 | struct nlattr *nl_tcp; | |
8665 | ||
8666 | if (!tcp) | |
8667 | return 0; | |
8668 | ||
8669 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
8670 | if (!nl_tcp) | |
8671 | return -ENOBUFS; | |
8672 | ||
8673 | if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || | |
8674 | nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
8675 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || | |
8676 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
8677 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
8678 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
8679 | tcp->payload_len, tcp->payload) || | |
8680 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
8681 | tcp->data_interval) || | |
8682 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
8683 | tcp->wake_len, tcp->wake_data) || | |
8684 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
8685 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
8686 | return -ENOBUFS; | |
8687 | ||
8688 | if (tcp->payload_seq.len && | |
8689 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
8690 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
8691 | return -ENOBUFS; | |
8692 | ||
8693 | if (tcp->payload_tok.len && | |
8694 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
8695 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
8696 | &tcp->payload_tok)) | |
8697 | return -ENOBUFS; | |
8698 | ||
e248ad30 JB |
8699 | nla_nest_end(msg, nl_tcp); |
8700 | ||
2a0e047e JB |
8701 | return 0; |
8702 | } | |
8703 | ||
ff1b6e69 JB |
8704 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
8705 | { | |
8706 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8707 | struct sk_buff *msg; | |
8708 | void *hdr; | |
2a0e047e | 8709 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 8710 | |
964dc9e2 | 8711 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
8712 | return -EOPNOTSUPP; |
8713 | ||
6abb9cb9 | 8714 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 8715 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
8716 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
8717 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
8718 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
8719 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
8720 | } |
8721 | ||
8722 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
8723 | if (!msg) |
8724 | return -ENOMEM; | |
8725 | ||
15e47304 | 8726 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
8727 | NL80211_CMD_GET_WOWLAN); |
8728 | if (!hdr) | |
8729 | goto nla_put_failure; | |
8730 | ||
6abb9cb9 | 8731 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
8732 | struct nlattr *nl_wowlan; |
8733 | ||
8734 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
8735 | if (!nl_wowlan) | |
8736 | goto nla_put_failure; | |
8737 | ||
6abb9cb9 | 8738 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 8739 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 8740 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 8741 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 8742 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 8743 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 8744 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 8745 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 8746 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 8747 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 8748 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 8749 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 8750 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
8751 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
8752 | goto nla_put_failure; | |
2a0e047e | 8753 | |
bb92d199 AK |
8754 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
8755 | goto nla_put_failure; | |
2a0e047e | 8756 | |
6abb9cb9 JB |
8757 | if (nl80211_send_wowlan_tcp(msg, |
8758 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e JB |
8759 | goto nla_put_failure; |
8760 | ||
ff1b6e69 JB |
8761 | nla_nest_end(msg, nl_wowlan); |
8762 | } | |
8763 | ||
8764 | genlmsg_end(msg, hdr); | |
8765 | return genlmsg_reply(msg, info); | |
8766 | ||
8767 | nla_put_failure: | |
8768 | nlmsg_free(msg); | |
8769 | return -ENOBUFS; | |
8770 | } | |
8771 | ||
2a0e047e JB |
8772 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
8773 | struct nlattr *attr, | |
8774 | struct cfg80211_wowlan *trig) | |
8775 | { | |
8776 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
8777 | struct cfg80211_wowlan_tcp *cfg; | |
8778 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
8779 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
8780 | u32 size; | |
8781 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
8782 | int err, port; | |
8783 | ||
964dc9e2 | 8784 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
8785 | return -EINVAL; |
8786 | ||
8787 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
8788 | nla_data(attr), nla_len(attr), | |
8789 | nl80211_wowlan_tcp_policy); | |
8790 | if (err) | |
8791 | return err; | |
8792 | ||
8793 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
8794 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
8795 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
8796 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
8797 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
8798 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
8799 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
8800 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
8801 | return -EINVAL; | |
8802 | ||
8803 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 8804 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
8805 | return -EINVAL; |
8806 | ||
8807 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 8808 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 8809 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
8810 | return -EINVAL; |
8811 | ||
8812 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 8813 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
8814 | return -EINVAL; |
8815 | ||
8816 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
8817 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
8818 | return -EINVAL; | |
8819 | ||
8820 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
8821 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8822 | ||
8823 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
8824 | tokens_size = tokln - sizeof(*tok); | |
8825 | ||
8826 | if (!tok->len || tokens_size % tok->len) | |
8827 | return -EINVAL; | |
964dc9e2 | 8828 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 8829 | return -EINVAL; |
964dc9e2 | 8830 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 8831 | return -EINVAL; |
964dc9e2 | 8832 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 8833 | return -EINVAL; |
964dc9e2 | 8834 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
8835 | return -EINVAL; |
8836 | if (tok->offset + tok->len > data_size) | |
8837 | return -EINVAL; | |
8838 | } | |
8839 | ||
8840 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
8841 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 8842 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
8843 | return -EINVAL; |
8844 | if (seq->len == 0 || seq->len > 4) | |
8845 | return -EINVAL; | |
8846 | if (seq->len + seq->offset > data_size) | |
8847 | return -EINVAL; | |
8848 | } | |
8849 | ||
8850 | size = sizeof(*cfg); | |
8851 | size += data_size; | |
8852 | size += wake_size + wake_mask_size; | |
8853 | size += tokens_size; | |
8854 | ||
8855 | cfg = kzalloc(size, GFP_KERNEL); | |
8856 | if (!cfg) | |
8857 | return -ENOMEM; | |
8858 | cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); | |
8859 | cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
8860 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), | |
8861 | ETH_ALEN); | |
8862 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
8863 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
8864 | else | |
8865 | port = 0; | |
8866 | #ifdef CONFIG_INET | |
8867 | /* allocate a socket and port for it and use it */ | |
8868 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
8869 | IPPROTO_TCP, &cfg->sock, 1); | |
8870 | if (err) { | |
8871 | kfree(cfg); | |
8872 | return err; | |
8873 | } | |
8874 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
8875 | sock_release(cfg->sock); | |
8876 | kfree(cfg); | |
8877 | return -EADDRINUSE; | |
8878 | } | |
8879 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
8880 | #else | |
8881 | if (!port) { | |
8882 | kfree(cfg); | |
8883 | return -EINVAL; | |
8884 | } | |
8885 | cfg->src_port = port; | |
8886 | #endif | |
8887 | ||
8888 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
8889 | cfg->payload_len = data_size; | |
8890 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
8891 | memcpy((void *)cfg->payload, | |
8892 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
8893 | data_size); | |
8894 | if (seq) | |
8895 | cfg->payload_seq = *seq; | |
8896 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
8897 | cfg->wake_len = wake_size; | |
8898 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
8899 | memcpy((void *)cfg->wake_data, | |
8900 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
8901 | wake_size); | |
8902 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
8903 | data_size + wake_size; | |
8904 | memcpy((void *)cfg->wake_mask, | |
8905 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
8906 | wake_mask_size); | |
8907 | if (tok) { | |
8908 | cfg->tokens_size = tokens_size; | |
8909 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
8910 | } | |
8911 | ||
8912 | trig->tcp = cfg; | |
8913 | ||
8914 | return 0; | |
8915 | } | |
8916 | ||
8cd4d456 LC |
8917 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
8918 | const struct wiphy_wowlan_support *wowlan, | |
8919 | struct nlattr *attr, | |
8920 | struct cfg80211_wowlan *trig) | |
8921 | { | |
8922 | struct nlattr **tb; | |
8923 | int err; | |
8924 | ||
8925 | tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL); | |
8926 | if (!tb) | |
8927 | return -ENOMEM; | |
8928 | ||
8929 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
8930 | err = -EOPNOTSUPP; | |
8931 | goto out; | |
8932 | } | |
8933 | ||
8934 | err = nla_parse(tb, NL80211_ATTR_MAX, | |
8935 | nla_data(attr), nla_len(attr), | |
8936 | nl80211_policy); | |
8937 | if (err) | |
8938 | goto out; | |
8939 | ||
ad2b26ab | 8940 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb); |
8cd4d456 LC |
8941 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
8942 | if (err) | |
8943 | trig->nd_config = NULL; | |
8944 | ||
8945 | out: | |
8946 | kfree(tb); | |
8947 | return err; | |
8948 | } | |
8949 | ||
ff1b6e69 JB |
8950 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
8951 | { | |
8952 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8953 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 8954 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 8955 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 8956 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 8957 | int err, i; |
6abb9cb9 | 8958 | bool prev_enabled = rdev->wiphy.wowlan_config; |
ff1b6e69 | 8959 | |
964dc9e2 | 8960 | if (!wowlan) |
ff1b6e69 JB |
8961 | return -EOPNOTSUPP; |
8962 | ||
ae33bd81 JB |
8963 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
8964 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 8965 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
8966 | goto set_wakeup; |
8967 | } | |
ff1b6e69 JB |
8968 | |
8969 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
8970 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8971 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
8972 | nl80211_wowlan_policy); | |
8973 | if (err) | |
8974 | return err; | |
8975 | ||
8976 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
8977 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
8978 | return -EINVAL; | |
8979 | new_triggers.any = true; | |
8980 | } | |
8981 | ||
8982 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
8983 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
8984 | return -EINVAL; | |
8985 | new_triggers.disconnect = true; | |
8986 | } | |
8987 | ||
8988 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
8989 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
8990 | return -EINVAL; | |
8991 | new_triggers.magic_pkt = true; | |
8992 | } | |
8993 | ||
77dbbb13 JB |
8994 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
8995 | return -EINVAL; | |
8996 | ||
8997 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
8998 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
8999 | return -EINVAL; | |
9000 | new_triggers.gtk_rekey_failure = true; | |
9001 | } | |
9002 | ||
9003 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
9004 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
9005 | return -EINVAL; | |
9006 | new_triggers.eap_identity_req = true; | |
9007 | } | |
9008 | ||
9009 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
9010 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
9011 | return -EINVAL; | |
9012 | new_triggers.four_way_handshake = true; | |
9013 | } | |
9014 | ||
9015 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
9016 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
9017 | return -EINVAL; | |
9018 | new_triggers.rfkill_release = true; | |
9019 | } | |
9020 | ||
ff1b6e69 JB |
9021 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
9022 | struct nlattr *pat; | |
9023 | int n_patterns = 0; | |
bb92d199 | 9024 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 9025 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 JB |
9026 | |
9027 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
9028 | rem) | |
9029 | n_patterns++; | |
9030 | if (n_patterns > wowlan->n_patterns) | |
9031 | return -EINVAL; | |
9032 | ||
9033 | new_triggers.patterns = kcalloc(n_patterns, | |
9034 | sizeof(new_triggers.patterns[0]), | |
9035 | GFP_KERNEL); | |
9036 | if (!new_triggers.patterns) | |
9037 | return -ENOMEM; | |
9038 | ||
9039 | new_triggers.n_patterns = n_patterns; | |
9040 | i = 0; | |
9041 | ||
9042 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
9043 | rem) { | |
922bd80f JB |
9044 | u8 *mask_pat; |
9045 | ||
50ac6607 AK |
9046 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
9047 | nla_len(pat), NULL); | |
ff1b6e69 | 9048 | err = -EINVAL; |
50ac6607 AK |
9049 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
9050 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 9051 | goto error; |
50ac6607 | 9052 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 9053 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 9054 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
9055 | goto error; |
9056 | if (pat_len > wowlan->pattern_max_len || | |
9057 | pat_len < wowlan->pattern_min_len) | |
9058 | goto error; | |
9059 | ||
50ac6607 | 9060 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
9061 | pkt_offset = 0; |
9062 | else | |
9063 | pkt_offset = nla_get_u32( | |
50ac6607 | 9064 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
9065 | if (pkt_offset > wowlan->max_pkt_offset) |
9066 | goto error; | |
9067 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
9068 | ||
922bd80f JB |
9069 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
9070 | if (!mask_pat) { | |
ff1b6e69 JB |
9071 | err = -ENOMEM; |
9072 | goto error; | |
9073 | } | |
922bd80f JB |
9074 | new_triggers.patterns[i].mask = mask_pat; |
9075 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 9076 | mask_len); |
922bd80f JB |
9077 | mask_pat += mask_len; |
9078 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 9079 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 9080 | memcpy(mask_pat, |
50ac6607 | 9081 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
9082 | pat_len); |
9083 | i++; | |
9084 | } | |
9085 | } | |
9086 | ||
2a0e047e JB |
9087 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
9088 | err = nl80211_parse_wowlan_tcp( | |
9089 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
9090 | &new_triggers); | |
9091 | if (err) | |
9092 | goto error; | |
9093 | } | |
9094 | ||
8cd4d456 LC |
9095 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
9096 | err = nl80211_parse_wowlan_nd( | |
9097 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
9098 | &new_triggers); | |
9099 | if (err) | |
9100 | goto error; | |
9101 | } | |
9102 | ||
ae33bd81 JB |
9103 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
9104 | if (!ntrig) { | |
9105 | err = -ENOMEM; | |
9106 | goto error; | |
ff1b6e69 | 9107 | } |
ae33bd81 | 9108 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 9109 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 9110 | |
ae33bd81 | 9111 | set_wakeup: |
6abb9cb9 JB |
9112 | if (rdev->ops->set_wakeup && |
9113 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
9114 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 9115 | |
ff1b6e69 JB |
9116 | return 0; |
9117 | error: | |
9118 | for (i = 0; i < new_triggers.n_patterns; i++) | |
9119 | kfree(new_triggers.patterns[i].mask); | |
9120 | kfree(new_triggers.patterns); | |
2a0e047e JB |
9121 | if (new_triggers.tcp && new_triggers.tcp->sock) |
9122 | sock_release(new_triggers.tcp->sock); | |
9123 | kfree(new_triggers.tcp); | |
ff1b6e69 JB |
9124 | return err; |
9125 | } | |
dfb89c56 | 9126 | #endif |
ff1b6e69 | 9127 | |
be29b99a AK |
9128 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
9129 | struct cfg80211_registered_device *rdev) | |
9130 | { | |
9131 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
9132 | int i, j, pat_len; | |
9133 | struct cfg80211_coalesce_rules *rule; | |
9134 | ||
9135 | if (!rdev->coalesce->n_rules) | |
9136 | return 0; | |
9137 | ||
9138 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
9139 | if (!nl_rules) | |
9140 | return -ENOBUFS; | |
9141 | ||
9142 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
9143 | nl_rule = nla_nest_start(msg, i + 1); | |
9144 | if (!nl_rule) | |
9145 | return -ENOBUFS; | |
9146 | ||
9147 | rule = &rdev->coalesce->rules[i]; | |
9148 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
9149 | rule->delay)) | |
9150 | return -ENOBUFS; | |
9151 | ||
9152 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
9153 | rule->condition)) | |
9154 | return -ENOBUFS; | |
9155 | ||
9156 | nl_pats = nla_nest_start(msg, | |
9157 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
9158 | if (!nl_pats) | |
9159 | return -ENOBUFS; | |
9160 | ||
9161 | for (j = 0; j < rule->n_patterns; j++) { | |
9162 | nl_pat = nla_nest_start(msg, j + 1); | |
9163 | if (!nl_pat) | |
9164 | return -ENOBUFS; | |
9165 | pat_len = rule->patterns[j].pattern_len; | |
9166 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
9167 | DIV_ROUND_UP(pat_len, 8), | |
9168 | rule->patterns[j].mask) || | |
9169 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
9170 | rule->patterns[j].pattern) || | |
9171 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
9172 | rule->patterns[j].pkt_offset)) | |
9173 | return -ENOBUFS; | |
9174 | nla_nest_end(msg, nl_pat); | |
9175 | } | |
9176 | nla_nest_end(msg, nl_pats); | |
9177 | nla_nest_end(msg, nl_rule); | |
9178 | } | |
9179 | nla_nest_end(msg, nl_rules); | |
9180 | ||
9181 | return 0; | |
9182 | } | |
9183 | ||
9184 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
9185 | { | |
9186 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9187 | struct sk_buff *msg; | |
9188 | void *hdr; | |
9189 | ||
9190 | if (!rdev->wiphy.coalesce) | |
9191 | return -EOPNOTSUPP; | |
9192 | ||
9193 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9194 | if (!msg) | |
9195 | return -ENOMEM; | |
9196 | ||
9197 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
9198 | NL80211_CMD_GET_COALESCE); | |
9199 | if (!hdr) | |
9200 | goto nla_put_failure; | |
9201 | ||
9202 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
9203 | goto nla_put_failure; | |
9204 | ||
9205 | genlmsg_end(msg, hdr); | |
9206 | return genlmsg_reply(msg, info); | |
9207 | ||
9208 | nla_put_failure: | |
9209 | nlmsg_free(msg); | |
9210 | return -ENOBUFS; | |
9211 | } | |
9212 | ||
9213 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
9214 | { | |
9215 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
9216 | int i, j; | |
9217 | struct cfg80211_coalesce_rules *rule; | |
9218 | ||
9219 | if (!coalesce) | |
9220 | return; | |
9221 | ||
9222 | for (i = 0; i < coalesce->n_rules; i++) { | |
9223 | rule = &coalesce->rules[i]; | |
9224 | for (j = 0; j < rule->n_patterns; j++) | |
9225 | kfree(rule->patterns[j].mask); | |
9226 | kfree(rule->patterns); | |
9227 | } | |
9228 | kfree(coalesce->rules); | |
9229 | kfree(coalesce); | |
9230 | rdev->coalesce = NULL; | |
9231 | } | |
9232 | ||
9233 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
9234 | struct nlattr *rule, | |
9235 | struct cfg80211_coalesce_rules *new_rule) | |
9236 | { | |
9237 | int err, i; | |
9238 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
9239 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
9240 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
9241 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
9242 | ||
9243 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
9244 | nla_len(rule), nl80211_coalesce_policy); | |
9245 | if (err) | |
9246 | return err; | |
9247 | ||
9248 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
9249 | new_rule->delay = | |
9250 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
9251 | if (new_rule->delay > coalesce->max_delay) | |
9252 | return -EINVAL; | |
9253 | ||
9254 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
9255 | new_rule->condition = | |
9256 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
9257 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
9258 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
9259 | return -EINVAL; | |
9260 | ||
9261 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
9262 | return -EINVAL; | |
9263 | ||
9264 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
9265 | rem) | |
9266 | n_patterns++; | |
9267 | if (n_patterns > coalesce->n_patterns) | |
9268 | return -EINVAL; | |
9269 | ||
9270 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
9271 | GFP_KERNEL); | |
9272 | if (!new_rule->patterns) | |
9273 | return -ENOMEM; | |
9274 | ||
9275 | new_rule->n_patterns = n_patterns; | |
9276 | i = 0; | |
9277 | ||
9278 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
9279 | rem) { | |
922bd80f JB |
9280 | u8 *mask_pat; |
9281 | ||
be29b99a AK |
9282 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
9283 | nla_len(pat), NULL); | |
9284 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
9285 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
9286 | return -EINVAL; | |
9287 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
9288 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
9289 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
9290 | return -EINVAL; | |
9291 | if (pat_len > coalesce->pattern_max_len || | |
9292 | pat_len < coalesce->pattern_min_len) | |
9293 | return -EINVAL; | |
9294 | ||
9295 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
9296 | pkt_offset = 0; | |
9297 | else | |
9298 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
9299 | if (pkt_offset > coalesce->max_pkt_offset) | |
9300 | return -EINVAL; | |
9301 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
9302 | ||
922bd80f JB |
9303 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
9304 | if (!mask_pat) | |
be29b99a | 9305 | return -ENOMEM; |
922bd80f JB |
9306 | |
9307 | new_rule->patterns[i].mask = mask_pat; | |
9308 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
9309 | mask_len); | |
9310 | ||
9311 | mask_pat += mask_len; | |
9312 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 9313 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
9314 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
9315 | pat_len); | |
be29b99a AK |
9316 | i++; |
9317 | } | |
9318 | ||
9319 | return 0; | |
9320 | } | |
9321 | ||
9322 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
9323 | { | |
9324 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9325 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
9326 | struct cfg80211_coalesce new_coalesce = {}; | |
9327 | struct cfg80211_coalesce *n_coalesce; | |
9328 | int err, rem_rule, n_rules = 0, i, j; | |
9329 | struct nlattr *rule; | |
9330 | struct cfg80211_coalesce_rules *tmp_rule; | |
9331 | ||
9332 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
9333 | return -EOPNOTSUPP; | |
9334 | ||
9335 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
9336 | cfg80211_rdev_free_coalesce(rdev); | |
9337 | rdev->ops->set_coalesce(&rdev->wiphy, NULL); | |
9338 | return 0; | |
9339 | } | |
9340 | ||
9341 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
9342 | rem_rule) | |
9343 | n_rules++; | |
9344 | if (n_rules > coalesce->n_rules) | |
9345 | return -EINVAL; | |
9346 | ||
9347 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
9348 | GFP_KERNEL); | |
9349 | if (!new_coalesce.rules) | |
9350 | return -ENOMEM; | |
9351 | ||
9352 | new_coalesce.n_rules = n_rules; | |
9353 | i = 0; | |
9354 | ||
9355 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
9356 | rem_rule) { | |
9357 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
9358 | &new_coalesce.rules[i]); | |
9359 | if (err) | |
9360 | goto error; | |
9361 | ||
9362 | i++; | |
9363 | } | |
9364 | ||
9365 | err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce); | |
9366 | if (err) | |
9367 | goto error; | |
9368 | ||
9369 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
9370 | if (!n_coalesce) { | |
9371 | err = -ENOMEM; | |
9372 | goto error; | |
9373 | } | |
9374 | cfg80211_rdev_free_coalesce(rdev); | |
9375 | rdev->coalesce = n_coalesce; | |
9376 | ||
9377 | return 0; | |
9378 | error: | |
9379 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
9380 | tmp_rule = &new_coalesce.rules[i]; | |
9381 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
9382 | kfree(tmp_rule->patterns[j].mask); | |
9383 | kfree(tmp_rule->patterns); | |
9384 | } | |
9385 | kfree(new_coalesce.rules); | |
9386 | ||
9387 | return err; | |
9388 | } | |
9389 | ||
e5497d76 JB |
9390 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
9391 | { | |
9392 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9393 | struct net_device *dev = info->user_ptr[1]; | |
9394 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9395 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
9396 | struct cfg80211_gtk_rekey_data rekey_data; | |
9397 | int err; | |
9398 | ||
9399 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
9400 | return -EINVAL; | |
9401 | ||
9402 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
9403 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
9404 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
9405 | nl80211_rekey_policy); | |
9406 | if (err) | |
9407 | return err; | |
9408 | ||
9409 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
9410 | return -ERANGE; | |
9411 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
9412 | return -ERANGE; | |
9413 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
9414 | return -ERANGE; | |
9415 | ||
78f686ca JB |
9416 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
9417 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
9418 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
9419 | |
9420 | wdev_lock(wdev); | |
9421 | if (!wdev->current_bss) { | |
9422 | err = -ENOTCONN; | |
9423 | goto out; | |
9424 | } | |
9425 | ||
9426 | if (!rdev->ops->set_rekey_data) { | |
9427 | err = -EOPNOTSUPP; | |
9428 | goto out; | |
9429 | } | |
9430 | ||
e35e4d28 | 9431 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
9432 | out: |
9433 | wdev_unlock(wdev); | |
9434 | return err; | |
9435 | } | |
9436 | ||
28946da7 JB |
9437 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
9438 | struct genl_info *info) | |
9439 | { | |
9440 | struct net_device *dev = info->user_ptr[1]; | |
9441 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9442 | ||
9443 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
9444 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
9445 | return -EINVAL; | |
9446 | ||
15e47304 | 9447 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
9448 | return -EBUSY; |
9449 | ||
15e47304 | 9450 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
9451 | return 0; |
9452 | } | |
9453 | ||
7f6cf311 JB |
9454 | static int nl80211_probe_client(struct sk_buff *skb, |
9455 | struct genl_info *info) | |
9456 | { | |
9457 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9458 | struct net_device *dev = info->user_ptr[1]; | |
9459 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9460 | struct sk_buff *msg; | |
9461 | void *hdr; | |
9462 | const u8 *addr; | |
9463 | u64 cookie; | |
9464 | int err; | |
9465 | ||
9466 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
9467 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
9468 | return -EOPNOTSUPP; | |
9469 | ||
9470 | if (!info->attrs[NL80211_ATTR_MAC]) | |
9471 | return -EINVAL; | |
9472 | ||
9473 | if (!rdev->ops->probe_client) | |
9474 | return -EOPNOTSUPP; | |
9475 | ||
9476 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9477 | if (!msg) | |
9478 | return -ENOMEM; | |
9479 | ||
15e47304 | 9480 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 9481 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
9482 | if (!hdr) { |
9483 | err = -ENOBUFS; | |
7f6cf311 JB |
9484 | goto free_msg; |
9485 | } | |
9486 | ||
9487 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9488 | ||
e35e4d28 | 9489 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
9490 | if (err) |
9491 | goto free_msg; | |
9492 | ||
9360ffd1 DM |
9493 | if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
9494 | goto nla_put_failure; | |
7f6cf311 JB |
9495 | |
9496 | genlmsg_end(msg, hdr); | |
9497 | ||
9498 | return genlmsg_reply(msg, info); | |
9499 | ||
9500 | nla_put_failure: | |
9501 | err = -ENOBUFS; | |
9502 | free_msg: | |
9503 | nlmsg_free(msg); | |
9504 | return err; | |
9505 | } | |
9506 | ||
5e760230 JB |
9507 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
9508 | { | |
9509 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
9510 | struct cfg80211_beacon_registration *reg, *nreg; |
9511 | int rv; | |
5e760230 JB |
9512 | |
9513 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
9514 | return -EOPNOTSUPP; | |
9515 | ||
37c73b5f BG |
9516 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
9517 | if (!nreg) | |
9518 | return -ENOMEM; | |
9519 | ||
9520 | /* First, check if already registered. */ | |
9521 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
9522 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
9523 | if (reg->nlportid == info->snd_portid) { | |
9524 | rv = -EALREADY; | |
9525 | goto out_err; | |
9526 | } | |
9527 | } | |
9528 | /* Add it to the list */ | |
9529 | nreg->nlportid = info->snd_portid; | |
9530 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 9531 | |
37c73b5f | 9532 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
9533 | |
9534 | return 0; | |
37c73b5f BG |
9535 | out_err: |
9536 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
9537 | kfree(nreg); | |
9538 | return rv; | |
5e760230 JB |
9539 | } |
9540 | ||
98104fde JB |
9541 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
9542 | { | |
9543 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9544 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9545 | int err; | |
9546 | ||
9547 | if (!rdev->ops->start_p2p_device) | |
9548 | return -EOPNOTSUPP; | |
9549 | ||
9550 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
9551 | return -EOPNOTSUPP; | |
9552 | ||
9553 | if (wdev->p2p_started) | |
9554 | return 0; | |
9555 | ||
b6a55015 LC |
9556 | if (rfkill_blocked(rdev->rfkill)) |
9557 | return -ERFKILL; | |
98104fde | 9558 | |
eeb126e9 | 9559 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
9560 | if (err) |
9561 | return err; | |
9562 | ||
9563 | wdev->p2p_started = true; | |
98104fde | 9564 | rdev->opencount++; |
98104fde JB |
9565 | |
9566 | return 0; | |
9567 | } | |
9568 | ||
9569 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
9570 | { | |
9571 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9572 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9573 | ||
9574 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
9575 | return -EOPNOTSUPP; | |
9576 | ||
9577 | if (!rdev->ops->stop_p2p_device) | |
9578 | return -EOPNOTSUPP; | |
9579 | ||
f9f47529 | 9580 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
9581 | |
9582 | return 0; | |
9583 | } | |
9584 | ||
3713b4e3 JB |
9585 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
9586 | struct genl_info *info) | |
9587 | { | |
9588 | void *hdr; | |
9589 | struct sk_buff *msg; | |
9590 | ||
9591 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
9592 | if (!msg) | |
9593 | return -ENOMEM; | |
9594 | ||
9595 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
9596 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
9597 | if (!hdr) | |
9598 | goto nla_put_failure; | |
9599 | ||
9600 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
9601 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
9602 | goto nla_put_failure; | |
9603 | ||
9604 | genlmsg_end(msg, hdr); | |
9605 | return genlmsg_reply(msg, info); | |
9606 | ||
9607 | nla_put_failure: | |
9608 | kfree_skb(msg); | |
9609 | return -ENOBUFS; | |
9610 | } | |
9611 | ||
355199e0 JM |
9612 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
9613 | { | |
9614 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9615 | struct cfg80211_update_ft_ies_params ft_params; | |
9616 | struct net_device *dev = info->user_ptr[1]; | |
9617 | ||
9618 | if (!rdev->ops->update_ft_ies) | |
9619 | return -EOPNOTSUPP; | |
9620 | ||
9621 | if (!info->attrs[NL80211_ATTR_MDID] || | |
9622 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
9623 | return -EINVAL; | |
9624 | ||
9625 | memset(&ft_params, 0, sizeof(ft_params)); | |
9626 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
9627 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
9628 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9629 | ||
9630 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
9631 | } | |
9632 | ||
5de17984 AS |
9633 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
9634 | struct genl_info *info) | |
9635 | { | |
9636 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9637 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9638 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
9639 | u16 duration; | |
9640 | int ret; | |
9641 | ||
9642 | if (!rdev->ops->crit_proto_start) | |
9643 | return -EOPNOTSUPP; | |
9644 | ||
9645 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
9646 | return -EINVAL; | |
9647 | ||
9648 | if (rdev->crit_proto_nlportid) | |
9649 | return -EBUSY; | |
9650 | ||
9651 | /* determine protocol if provided */ | |
9652 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
9653 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
9654 | ||
9655 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
9656 | return -EINVAL; | |
9657 | ||
9658 | /* timeout must be provided */ | |
9659 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
9660 | return -EINVAL; | |
9661 | ||
9662 | duration = | |
9663 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
9664 | ||
9665 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
9666 | return -ERANGE; | |
9667 | ||
9668 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
9669 | if (!ret) | |
9670 | rdev->crit_proto_nlportid = info->snd_portid; | |
9671 | ||
9672 | return ret; | |
9673 | } | |
9674 | ||
9675 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
9676 | struct genl_info *info) | |
9677 | { | |
9678 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9679 | struct wireless_dev *wdev = info->user_ptr[1]; | |
9680 | ||
9681 | if (!rdev->ops->crit_proto_stop) | |
9682 | return -EOPNOTSUPP; | |
9683 | ||
9684 | if (rdev->crit_proto_nlportid) { | |
9685 | rdev->crit_proto_nlportid = 0; | |
9686 | rdev_crit_proto_stop(rdev, wdev); | |
9687 | } | |
9688 | return 0; | |
9689 | } | |
9690 | ||
ad7e718c JB |
9691 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
9692 | { | |
9693 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9694 | struct wireless_dev *wdev = | |
9695 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
9696 | int i, err; | |
9697 | u32 vid, subcmd; | |
9698 | ||
9699 | if (!rdev->wiphy.vendor_commands) | |
9700 | return -EOPNOTSUPP; | |
9701 | ||
9702 | if (IS_ERR(wdev)) { | |
9703 | err = PTR_ERR(wdev); | |
9704 | if (err != -EINVAL) | |
9705 | return err; | |
9706 | wdev = NULL; | |
9707 | } else if (wdev->wiphy != &rdev->wiphy) { | |
9708 | return -EINVAL; | |
9709 | } | |
9710 | ||
9711 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
9712 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
9713 | return -EINVAL; | |
9714 | ||
9715 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
9716 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
9717 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
9718 | const struct wiphy_vendor_command *vcmd; | |
9719 | void *data = NULL; | |
9720 | int len = 0; | |
9721 | ||
9722 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
9723 | ||
9724 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
9725 | continue; | |
9726 | ||
9727 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
9728 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
9729 | if (!wdev) | |
9730 | return -EINVAL; | |
9731 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
9732 | !wdev->netdev) | |
9733 | return -EINVAL; | |
9734 | ||
9735 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
9736 | if (wdev->netdev && | |
9737 | !netif_running(wdev->netdev)) | |
9738 | return -ENETDOWN; | |
9739 | if (!wdev->netdev && !wdev->p2p_started) | |
9740 | return -ENETDOWN; | |
9741 | } | |
9742 | } else { | |
9743 | wdev = NULL; | |
9744 | } | |
9745 | ||
9746 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
9747 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9748 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
9749 | } | |
9750 | ||
9751 | rdev->cur_cmd_info = info; | |
9752 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
9753 | data, len); | |
9754 | rdev->cur_cmd_info = NULL; | |
9755 | return err; | |
9756 | } | |
9757 | ||
9758 | return -EOPNOTSUPP; | |
9759 | } | |
9760 | ||
9761 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, | |
9762 | enum nl80211_commands cmd, | |
9763 | enum nl80211_attrs attr, | |
9764 | int approxlen) | |
9765 | { | |
f26cbf40 | 9766 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
9767 | |
9768 | if (WARN_ON(!rdev->cur_cmd_info)) | |
9769 | return NULL; | |
9770 | ||
9771 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, | |
9772 | rdev->cur_cmd_info->snd_portid, | |
9773 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 9774 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
9775 | } |
9776 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
9777 | ||
9778 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
9779 | { | |
9780 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
9781 | void *hdr = ((void **)skb->cb)[1]; | |
9782 | struct nlattr *data = ((void **)skb->cb)[2]; | |
9783 | ||
bd8c78e7 JB |
9784 | /* clear CB data for netlink core to own from now on */ |
9785 | memset(skb->cb, 0, sizeof(skb->cb)); | |
9786 | ||
ad7e718c JB |
9787 | if (WARN_ON(!rdev->cur_cmd_info)) { |
9788 | kfree_skb(skb); | |
9789 | return -EINVAL; | |
9790 | } | |
9791 | ||
9792 | nla_nest_end(skb, data); | |
9793 | genlmsg_end(skb, hdr); | |
9794 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
9795 | } | |
9796 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
9797 | ||
9798 | ||
fa9ffc74 KP |
9799 | static int nl80211_set_qos_map(struct sk_buff *skb, |
9800 | struct genl_info *info) | |
9801 | { | |
9802 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9803 | struct cfg80211_qos_map *qos_map = NULL; | |
9804 | struct net_device *dev = info->user_ptr[1]; | |
9805 | u8 *pos, len, num_des, des_len, des; | |
9806 | int ret; | |
9807 | ||
9808 | if (!rdev->ops->set_qos_map) | |
9809 | return -EOPNOTSUPP; | |
9810 | ||
9811 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
9812 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9813 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
9814 | ||
9815 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
9816 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
9817 | return -EINVAL; | |
9818 | ||
9819 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
9820 | if (!qos_map) | |
9821 | return -ENOMEM; | |
9822 | ||
9823 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
9824 | if (num_des) { | |
9825 | des_len = num_des * | |
9826 | sizeof(struct cfg80211_dscp_exception); | |
9827 | memcpy(qos_map->dscp_exception, pos, des_len); | |
9828 | qos_map->num_des = num_des; | |
9829 | for (des = 0; des < num_des; des++) { | |
9830 | if (qos_map->dscp_exception[des].up > 7) { | |
9831 | kfree(qos_map); | |
9832 | return -EINVAL; | |
9833 | } | |
9834 | } | |
9835 | pos += des_len; | |
9836 | } | |
9837 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
9838 | } | |
9839 | ||
9840 | wdev_lock(dev->ieee80211_ptr); | |
9841 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
9842 | if (!ret) | |
9843 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
9844 | wdev_unlock(dev->ieee80211_ptr); | |
9845 | ||
9846 | kfree(qos_map); | |
9847 | return ret; | |
9848 | } | |
9849 | ||
960d01ac JB |
9850 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
9851 | { | |
9852 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9853 | struct net_device *dev = info->user_ptr[1]; | |
9854 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9855 | const u8 *peer; | |
9856 | u8 tsid, up; | |
9857 | u16 admitted_time = 0; | |
9858 | int err; | |
9859 | ||
723e73ac | 9860 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
9861 | return -EOPNOTSUPP; |
9862 | ||
9863 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
9864 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
9865 | return -EINVAL; | |
9866 | ||
9867 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
9868 | if (tsid >= IEEE80211_NUM_TIDS) | |
9869 | return -EINVAL; | |
9870 | ||
9871 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
9872 | if (up >= IEEE80211_NUM_UPS) | |
9873 | return -EINVAL; | |
9874 | ||
9875 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 9876 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 9877 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
9878 | * need more attributes for that (e.g. BA session requirement); |
9879 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
9880 | */ |
9881 | return -EINVAL; | |
9882 | } | |
9883 | ||
9884 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9885 | ||
9886 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
9887 | admitted_time = | |
9888 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
9889 | if (!admitted_time) | |
9890 | return -EINVAL; | |
9891 | } | |
9892 | ||
9893 | wdev_lock(wdev); | |
9894 | switch (wdev->iftype) { | |
9895 | case NL80211_IFTYPE_STATION: | |
9896 | case NL80211_IFTYPE_P2P_CLIENT: | |
9897 | if (wdev->current_bss) | |
9898 | break; | |
9899 | err = -ENOTCONN; | |
9900 | goto out; | |
9901 | default: | |
9902 | err = -EOPNOTSUPP; | |
9903 | goto out; | |
9904 | } | |
9905 | ||
9906 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
9907 | ||
9908 | out: | |
9909 | wdev_unlock(wdev); | |
9910 | return err; | |
9911 | } | |
9912 | ||
9913 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
9914 | { | |
9915 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9916 | struct net_device *dev = info->user_ptr[1]; | |
9917 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9918 | const u8 *peer; | |
9919 | u8 tsid; | |
9920 | int err; | |
9921 | ||
9922 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
9923 | return -EINVAL; | |
9924 | ||
9925 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
9926 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9927 | ||
9928 | wdev_lock(wdev); | |
9929 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
9930 | wdev_unlock(wdev); | |
9931 | ||
9932 | return err; | |
9933 | } | |
9934 | ||
1057d35e AN |
9935 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
9936 | struct genl_info *info) | |
9937 | { | |
9938 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9939 | struct net_device *dev = info->user_ptr[1]; | |
9940 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9941 | struct cfg80211_chan_def chandef = {}; | |
9942 | const u8 *addr; | |
9943 | u8 oper_class; | |
9944 | int err; | |
9945 | ||
9946 | if (!rdev->ops->tdls_channel_switch || | |
9947 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
9948 | return -EOPNOTSUPP; | |
9949 | ||
9950 | switch (dev->ieee80211_ptr->iftype) { | |
9951 | case NL80211_IFTYPE_STATION: | |
9952 | case NL80211_IFTYPE_P2P_CLIENT: | |
9953 | break; | |
9954 | default: | |
9955 | return -EOPNOTSUPP; | |
9956 | } | |
9957 | ||
9958 | if (!info->attrs[NL80211_ATTR_MAC] || | |
9959 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
9960 | return -EINVAL; | |
9961 | ||
9962 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
9963 | if (err) | |
9964 | return err; | |
9965 | ||
9966 | /* | |
9967 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
9968 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
9969 | * specification is not defined for them. | |
9970 | */ | |
9971 | if (chandef.chan->band == IEEE80211_BAND_2GHZ && | |
9972 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && | |
9973 | chandef.width != NL80211_CHAN_WIDTH_20) | |
9974 | return -EINVAL; | |
9975 | ||
9976 | /* we will be active on the TDLS link */ | |
9977 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, wdev->iftype)) | |
9978 | return -EINVAL; | |
9979 | ||
9980 | /* don't allow switching to DFS channels */ | |
9981 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
9982 | return -EINVAL; | |
9983 | ||
9984 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9985 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
9986 | ||
9987 | wdev_lock(wdev); | |
9988 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
9989 | wdev_unlock(wdev); | |
9990 | ||
9991 | return err; | |
9992 | } | |
9993 | ||
9994 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
9995 | struct genl_info *info) | |
9996 | { | |
9997 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9998 | struct net_device *dev = info->user_ptr[1]; | |
9999 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10000 | const u8 *addr; | |
10001 | ||
10002 | if (!rdev->ops->tdls_channel_switch || | |
10003 | !rdev->ops->tdls_cancel_channel_switch || | |
10004 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
10005 | return -EOPNOTSUPP; | |
10006 | ||
10007 | switch (dev->ieee80211_ptr->iftype) { | |
10008 | case NL80211_IFTYPE_STATION: | |
10009 | case NL80211_IFTYPE_P2P_CLIENT: | |
10010 | break; | |
10011 | default: | |
10012 | return -EOPNOTSUPP; | |
10013 | } | |
10014 | ||
10015 | if (!info->attrs[NL80211_ATTR_MAC]) | |
10016 | return -EINVAL; | |
10017 | ||
10018 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10019 | ||
10020 | wdev_lock(wdev); | |
10021 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
10022 | wdev_unlock(wdev); | |
10023 | ||
10024 | return 0; | |
10025 | } | |
10026 | ||
4c476991 JB |
10027 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
10028 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
10029 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
10030 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
10031 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
10032 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 10033 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 10034 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
10035 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
10036 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 10037 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 10038 | |
f84f771d | 10039 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
10040 | struct genl_info *info) |
10041 | { | |
10042 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 10043 | struct wireless_dev *wdev; |
4c476991 | 10044 | struct net_device *dev; |
4c476991 JB |
10045 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
10046 | ||
10047 | if (rtnl) | |
10048 | rtnl_lock(); | |
10049 | ||
10050 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 10051 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
10052 | if (IS_ERR(rdev)) { |
10053 | if (rtnl) | |
10054 | rtnl_unlock(); | |
10055 | return PTR_ERR(rdev); | |
10056 | } | |
10057 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
10058 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
10059 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
10060 | ASSERT_RTNL(); |
10061 | ||
89a54e48 JB |
10062 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
10063 | info->attrs); | |
10064 | if (IS_ERR(wdev)) { | |
4c476991 JB |
10065 | if (rtnl) |
10066 | rtnl_unlock(); | |
89a54e48 | 10067 | return PTR_ERR(wdev); |
4c476991 | 10068 | } |
89a54e48 | 10069 | |
89a54e48 | 10070 | dev = wdev->netdev; |
f26cbf40 | 10071 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 10072 | |
1bf614ef JB |
10073 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
10074 | if (!dev) { | |
1bf614ef JB |
10075 | if (rtnl) |
10076 | rtnl_unlock(); | |
10077 | return -EINVAL; | |
10078 | } | |
10079 | ||
10080 | info->user_ptr[1] = dev; | |
10081 | } else { | |
10082 | info->user_ptr[1] = wdev; | |
41265714 | 10083 | } |
1bf614ef JB |
10084 | |
10085 | if (dev) { | |
10086 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
10087 | !netif_running(dev)) { | |
1bf614ef JB |
10088 | if (rtnl) |
10089 | rtnl_unlock(); | |
10090 | return -ENETDOWN; | |
10091 | } | |
10092 | ||
10093 | dev_hold(dev); | |
98104fde JB |
10094 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
10095 | if (!wdev->p2p_started) { | |
98104fde JB |
10096 | if (rtnl) |
10097 | rtnl_unlock(); | |
10098 | return -ENETDOWN; | |
10099 | } | |
41265714 | 10100 | } |
89a54e48 | 10101 | |
4c476991 | 10102 | info->user_ptr[0] = rdev; |
4c476991 JB |
10103 | } |
10104 | ||
10105 | return 0; | |
10106 | } | |
10107 | ||
f84f771d | 10108 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
10109 | struct genl_info *info) |
10110 | { | |
1bf614ef JB |
10111 | if (info->user_ptr[1]) { |
10112 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
10113 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10114 | ||
10115 | if (wdev->netdev) | |
10116 | dev_put(wdev->netdev); | |
10117 | } else { | |
10118 | dev_put(info->user_ptr[1]); | |
10119 | } | |
10120 | } | |
5393b917 | 10121 | |
4c476991 JB |
10122 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
10123 | rtnl_unlock(); | |
5393b917 JB |
10124 | |
10125 | /* If needed, clear the netlink message payload from the SKB | |
10126 | * as it might contain key data that shouldn't stick around on | |
10127 | * the heap after the SKB is freed. The netlink message header | |
10128 | * is still needed for further processing, so leave it intact. | |
10129 | */ | |
10130 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
10131 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
10132 | ||
10133 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
10134 | } | |
4c476991 JB |
10135 | } |
10136 | ||
4534de83 | 10137 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
10138 | { |
10139 | .cmd = NL80211_CMD_GET_WIPHY, | |
10140 | .doit = nl80211_get_wiphy, | |
10141 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 10142 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
10143 | .policy = nl80211_policy, |
10144 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
10145 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10146 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10147 | }, |
10148 | { | |
10149 | .cmd = NL80211_CMD_SET_WIPHY, | |
10150 | .doit = nl80211_set_wiphy, | |
10151 | .policy = nl80211_policy, | |
10152 | .flags = GENL_ADMIN_PERM, | |
4c476991 | 10153 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
10154 | }, |
10155 | { | |
10156 | .cmd = NL80211_CMD_GET_INTERFACE, | |
10157 | .doit = nl80211_get_interface, | |
10158 | .dumpit = nl80211_dump_interface, | |
10159 | .policy = nl80211_policy, | |
10160 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
10161 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
10162 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10163 | }, |
10164 | { | |
10165 | .cmd = NL80211_CMD_SET_INTERFACE, | |
10166 | .doit = nl80211_set_interface, | |
10167 | .policy = nl80211_policy, | |
10168 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10169 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10170 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10171 | }, |
10172 | { | |
10173 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
10174 | .doit = nl80211_new_interface, | |
10175 | .policy = nl80211_policy, | |
10176 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10177 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10178 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
10179 | }, |
10180 | { | |
10181 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
10182 | .doit = nl80211_del_interface, | |
10183 | .policy = nl80211_policy, | |
41ade00f | 10184 | .flags = GENL_ADMIN_PERM, |
84efbb84 | 10185 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 10186 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
10187 | }, |
10188 | { | |
10189 | .cmd = NL80211_CMD_GET_KEY, | |
10190 | .doit = nl80211_get_key, | |
10191 | .policy = nl80211_policy, | |
10192 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10193 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10194 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
10195 | }, |
10196 | { | |
10197 | .cmd = NL80211_CMD_SET_KEY, | |
10198 | .doit = nl80211_set_key, | |
10199 | .policy = nl80211_policy, | |
10200 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10201 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
10202 | NL80211_FLAG_NEED_RTNL | |
10203 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
10204 | }, |
10205 | { | |
10206 | .cmd = NL80211_CMD_NEW_KEY, | |
10207 | .doit = nl80211_new_key, | |
10208 | .policy = nl80211_policy, | |
10209 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10210 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
10211 | NL80211_FLAG_NEED_RTNL | |
10212 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
10213 | }, |
10214 | { | |
10215 | .cmd = NL80211_CMD_DEL_KEY, | |
10216 | .doit = nl80211_del_key, | |
10217 | .policy = nl80211_policy, | |
55682965 | 10218 | .flags = GENL_ADMIN_PERM, |
41265714 | 10219 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10220 | NL80211_FLAG_NEED_RTNL, |
55682965 | 10221 | }, |
ed1b6cc7 JB |
10222 | { |
10223 | .cmd = NL80211_CMD_SET_BEACON, | |
10224 | .policy = nl80211_policy, | |
10225 | .flags = GENL_ADMIN_PERM, | |
8860020e | 10226 | .doit = nl80211_set_beacon, |
2b5f8b0b | 10227 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10228 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
10229 | }, |
10230 | { | |
8860020e | 10231 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 JB |
10232 | .policy = nl80211_policy, |
10233 | .flags = GENL_ADMIN_PERM, | |
8860020e | 10234 | .doit = nl80211_start_ap, |
2b5f8b0b | 10235 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10236 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
10237 | }, |
10238 | { | |
8860020e | 10239 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 JB |
10240 | .policy = nl80211_policy, |
10241 | .flags = GENL_ADMIN_PERM, | |
8860020e | 10242 | .doit = nl80211_stop_ap, |
2b5f8b0b | 10243 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10244 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 10245 | }, |
5727ef1b JB |
10246 | { |
10247 | .cmd = NL80211_CMD_GET_STATION, | |
10248 | .doit = nl80211_get_station, | |
2ec600d6 | 10249 | .dumpit = nl80211_dump_station, |
5727ef1b | 10250 | .policy = nl80211_policy, |
4c476991 JB |
10251 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10252 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
10253 | }, |
10254 | { | |
10255 | .cmd = NL80211_CMD_SET_STATION, | |
10256 | .doit = nl80211_set_station, | |
10257 | .policy = nl80211_policy, | |
10258 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10259 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10260 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
10261 | }, |
10262 | { | |
10263 | .cmd = NL80211_CMD_NEW_STATION, | |
10264 | .doit = nl80211_new_station, | |
10265 | .policy = nl80211_policy, | |
10266 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10267 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10268 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
10269 | }, |
10270 | { | |
10271 | .cmd = NL80211_CMD_DEL_STATION, | |
10272 | .doit = nl80211_del_station, | |
10273 | .policy = nl80211_policy, | |
2ec600d6 | 10274 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 10275 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10276 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
10277 | }, |
10278 | { | |
10279 | .cmd = NL80211_CMD_GET_MPATH, | |
10280 | .doit = nl80211_get_mpath, | |
10281 | .dumpit = nl80211_dump_mpath, | |
10282 | .policy = nl80211_policy, | |
10283 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10284 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10285 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 | 10286 | }, |
66be7d2b HR |
10287 | { |
10288 | .cmd = NL80211_CMD_GET_MPP, | |
10289 | .doit = nl80211_get_mpp, | |
10290 | .dumpit = nl80211_dump_mpp, | |
10291 | .policy = nl80211_policy, | |
10292 | .flags = GENL_ADMIN_PERM, | |
10293 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10294 | NL80211_FLAG_NEED_RTNL, | |
10295 | }, | |
2ec600d6 LCC |
10296 | { |
10297 | .cmd = NL80211_CMD_SET_MPATH, | |
10298 | .doit = nl80211_set_mpath, | |
10299 | .policy = nl80211_policy, | |
10300 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10301 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10302 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
10303 | }, |
10304 | { | |
10305 | .cmd = NL80211_CMD_NEW_MPATH, | |
10306 | .doit = nl80211_new_mpath, | |
10307 | .policy = nl80211_policy, | |
10308 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10309 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10310 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
10311 | }, |
10312 | { | |
10313 | .cmd = NL80211_CMD_DEL_MPATH, | |
10314 | .doit = nl80211_del_mpath, | |
10315 | .policy = nl80211_policy, | |
9f1ba906 | 10316 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 10317 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10318 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
10319 | }, |
10320 | { | |
10321 | .cmd = NL80211_CMD_SET_BSS, | |
10322 | .doit = nl80211_set_bss, | |
10323 | .policy = nl80211_policy, | |
b2e1b302 | 10324 | .flags = GENL_ADMIN_PERM, |
2b5f8b0b | 10325 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10326 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 10327 | }, |
f130347c LR |
10328 | { |
10329 | .cmd = NL80211_CMD_GET_REG, | |
ad30ca2c AN |
10330 | .doit = nl80211_get_reg_do, |
10331 | .dumpit = nl80211_get_reg_dump, | |
f130347c | 10332 | .policy = nl80211_policy, |
5fe231e8 | 10333 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
10334 | /* can be retrieved by unprivileged users */ |
10335 | }, | |
b2e1b302 LR |
10336 | { |
10337 | .cmd = NL80211_CMD_SET_REG, | |
10338 | .doit = nl80211_set_reg, | |
10339 | .policy = nl80211_policy, | |
10340 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 10341 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 LR |
10342 | }, |
10343 | { | |
10344 | .cmd = NL80211_CMD_REQ_SET_REG, | |
10345 | .doit = nl80211_req_set_reg, | |
10346 | .policy = nl80211_policy, | |
93da9cc1 | 10347 | .flags = GENL_ADMIN_PERM, |
10348 | }, | |
10349 | { | |
24bdd9f4 JC |
10350 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
10351 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 10352 | .policy = nl80211_policy, |
10353 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 10354 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10355 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 10356 | }, |
10357 | { | |
24bdd9f4 JC |
10358 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
10359 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 10360 | .policy = nl80211_policy, |
9aed3cc1 | 10361 | .flags = GENL_ADMIN_PERM, |
29cbe68c | 10362 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10363 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 10364 | }, |
2a519311 JB |
10365 | { |
10366 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
10367 | .doit = nl80211_trigger_scan, | |
10368 | .policy = nl80211_policy, | |
10369 | .flags = GENL_ADMIN_PERM, | |
fd014284 | 10370 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10371 | NL80211_FLAG_NEED_RTNL, |
2a519311 JB |
10372 | }, |
10373 | { | |
10374 | .cmd = NL80211_CMD_GET_SCAN, | |
10375 | .policy = nl80211_policy, | |
10376 | .dumpit = nl80211_dump_scan, | |
10377 | }, | |
807f8a8c LC |
10378 | { |
10379 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
10380 | .doit = nl80211_start_sched_scan, | |
10381 | .policy = nl80211_policy, | |
10382 | .flags = GENL_ADMIN_PERM, | |
10383 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10384 | NL80211_FLAG_NEED_RTNL, | |
10385 | }, | |
10386 | { | |
10387 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
10388 | .doit = nl80211_stop_sched_scan, | |
10389 | .policy = nl80211_policy, | |
10390 | .flags = GENL_ADMIN_PERM, | |
10391 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10392 | NL80211_FLAG_NEED_RTNL, | |
10393 | }, | |
636a5d36 JM |
10394 | { |
10395 | .cmd = NL80211_CMD_AUTHENTICATE, | |
10396 | .doit = nl80211_authenticate, | |
10397 | .policy = nl80211_policy, | |
10398 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10399 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
10400 | NL80211_FLAG_NEED_RTNL | |
10401 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
10402 | }, |
10403 | { | |
10404 | .cmd = NL80211_CMD_ASSOCIATE, | |
10405 | .doit = nl80211_associate, | |
10406 | .policy = nl80211_policy, | |
10407 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10408 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10409 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
10410 | }, |
10411 | { | |
10412 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
10413 | .doit = nl80211_deauthenticate, | |
10414 | .policy = nl80211_policy, | |
10415 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10416 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10417 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
10418 | }, |
10419 | { | |
10420 | .cmd = NL80211_CMD_DISASSOCIATE, | |
10421 | .doit = nl80211_disassociate, | |
10422 | .policy = nl80211_policy, | |
10423 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10424 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10425 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 10426 | }, |
04a773ad JB |
10427 | { |
10428 | .cmd = NL80211_CMD_JOIN_IBSS, | |
10429 | .doit = nl80211_join_ibss, | |
10430 | .policy = nl80211_policy, | |
10431 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10432 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10433 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
10434 | }, |
10435 | { | |
10436 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
10437 | .doit = nl80211_leave_ibss, | |
10438 | .policy = nl80211_policy, | |
10439 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10440 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10441 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 10442 | }, |
aff89a9b JB |
10443 | #ifdef CONFIG_NL80211_TESTMODE |
10444 | { | |
10445 | .cmd = NL80211_CMD_TESTMODE, | |
10446 | .doit = nl80211_testmode_do, | |
71063f0e | 10447 | .dumpit = nl80211_testmode_dump, |
aff89a9b JB |
10448 | .policy = nl80211_policy, |
10449 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10450 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10451 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
10452 | }, |
10453 | #endif | |
b23aa676 SO |
10454 | { |
10455 | .cmd = NL80211_CMD_CONNECT, | |
10456 | .doit = nl80211_connect, | |
10457 | .policy = nl80211_policy, | |
10458 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10459 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10460 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
10461 | }, |
10462 | { | |
10463 | .cmd = NL80211_CMD_DISCONNECT, | |
10464 | .doit = nl80211_disconnect, | |
10465 | .policy = nl80211_policy, | |
10466 | .flags = GENL_ADMIN_PERM, | |
41265714 | 10467 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10468 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 10469 | }, |
463d0183 JB |
10470 | { |
10471 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
10472 | .doit = nl80211_wiphy_netns, | |
10473 | .policy = nl80211_policy, | |
10474 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10475 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
10476 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 10477 | }, |
61fa713c HS |
10478 | { |
10479 | .cmd = NL80211_CMD_GET_SURVEY, | |
10480 | .policy = nl80211_policy, | |
10481 | .dumpit = nl80211_dump_survey, | |
10482 | }, | |
67fbb16b SO |
10483 | { |
10484 | .cmd = NL80211_CMD_SET_PMKSA, | |
10485 | .doit = nl80211_setdel_pmksa, | |
10486 | .policy = nl80211_policy, | |
10487 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10488 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10489 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
10490 | }, |
10491 | { | |
10492 | .cmd = NL80211_CMD_DEL_PMKSA, | |
10493 | .doit = nl80211_setdel_pmksa, | |
10494 | .policy = nl80211_policy, | |
10495 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10496 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10497 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
10498 | }, |
10499 | { | |
10500 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
10501 | .doit = nl80211_flush_pmksa, | |
10502 | .policy = nl80211_policy, | |
10503 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10504 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 10505 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 10506 | }, |
9588bbd5 JM |
10507 | { |
10508 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
10509 | .doit = nl80211_remain_on_channel, | |
10510 | .policy = nl80211_policy, | |
10511 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 10512 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10513 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
10514 | }, |
10515 | { | |
10516 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
10517 | .doit = nl80211_cancel_remain_on_channel, | |
10518 | .policy = nl80211_policy, | |
10519 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 10520 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10521 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 10522 | }, |
13ae75b1 JM |
10523 | { |
10524 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
10525 | .doit = nl80211_set_tx_bitrate_mask, | |
10526 | .policy = nl80211_policy, | |
10527 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10528 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10529 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 10530 | }, |
026331c4 | 10531 | { |
2e161f78 JB |
10532 | .cmd = NL80211_CMD_REGISTER_FRAME, |
10533 | .doit = nl80211_register_mgmt, | |
026331c4 JM |
10534 | .policy = nl80211_policy, |
10535 | .flags = GENL_ADMIN_PERM, | |
71bbc994 | 10536 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 10537 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
10538 | }, |
10539 | { | |
2e161f78 JB |
10540 | .cmd = NL80211_CMD_FRAME, |
10541 | .doit = nl80211_tx_mgmt, | |
026331c4 | 10542 | .policy = nl80211_policy, |
f7ca38df | 10543 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 10544 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
10545 | NL80211_FLAG_NEED_RTNL, |
10546 | }, | |
10547 | { | |
10548 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
10549 | .doit = nl80211_tx_mgmt_cancel_wait, | |
10550 | .policy = nl80211_policy, | |
026331c4 | 10551 | .flags = GENL_ADMIN_PERM, |
71bbc994 | 10552 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 10553 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 10554 | }, |
ffb9eb3d KV |
10555 | { |
10556 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
10557 | .doit = nl80211_set_power_save, | |
10558 | .policy = nl80211_policy, | |
10559 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10560 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10561 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
10562 | }, |
10563 | { | |
10564 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
10565 | .doit = nl80211_get_power_save, | |
10566 | .policy = nl80211_policy, | |
10567 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
10568 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10569 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 10570 | }, |
d6dc1a38 JO |
10571 | { |
10572 | .cmd = NL80211_CMD_SET_CQM, | |
10573 | .doit = nl80211_set_cqm, | |
10574 | .policy = nl80211_policy, | |
10575 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10576 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10577 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 10578 | }, |
f444de05 JB |
10579 | { |
10580 | .cmd = NL80211_CMD_SET_CHANNEL, | |
10581 | .doit = nl80211_set_channel, | |
10582 | .policy = nl80211_policy, | |
10583 | .flags = GENL_ADMIN_PERM, | |
4c476991 JB |
10584 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10585 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 10586 | }, |
e8347eba BJ |
10587 | { |
10588 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
10589 | .doit = nl80211_set_wds_peer, | |
10590 | .policy = nl80211_policy, | |
10591 | .flags = GENL_ADMIN_PERM, | |
43b19952 JB |
10592 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
10593 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 10594 | }, |
29cbe68c JB |
10595 | { |
10596 | .cmd = NL80211_CMD_JOIN_MESH, | |
10597 | .doit = nl80211_join_mesh, | |
10598 | .policy = nl80211_policy, | |
10599 | .flags = GENL_ADMIN_PERM, | |
10600 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10601 | NL80211_FLAG_NEED_RTNL, | |
10602 | }, | |
10603 | { | |
10604 | .cmd = NL80211_CMD_LEAVE_MESH, | |
10605 | .doit = nl80211_leave_mesh, | |
10606 | .policy = nl80211_policy, | |
10607 | .flags = GENL_ADMIN_PERM, | |
10608 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10609 | NL80211_FLAG_NEED_RTNL, | |
10610 | }, | |
6e0bd6c3 RL |
10611 | { |
10612 | .cmd = NL80211_CMD_JOIN_OCB, | |
10613 | .doit = nl80211_join_ocb, | |
10614 | .policy = nl80211_policy, | |
10615 | .flags = GENL_ADMIN_PERM, | |
10616 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10617 | NL80211_FLAG_NEED_RTNL, | |
10618 | }, | |
10619 | { | |
10620 | .cmd = NL80211_CMD_LEAVE_OCB, | |
10621 | .doit = nl80211_leave_ocb, | |
10622 | .policy = nl80211_policy, | |
10623 | .flags = GENL_ADMIN_PERM, | |
10624 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10625 | NL80211_FLAG_NEED_RTNL, | |
10626 | }, | |
dfb89c56 | 10627 | #ifdef CONFIG_PM |
ff1b6e69 JB |
10628 | { |
10629 | .cmd = NL80211_CMD_GET_WOWLAN, | |
10630 | .doit = nl80211_get_wowlan, | |
10631 | .policy = nl80211_policy, | |
10632 | /* can be retrieved by unprivileged users */ | |
10633 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10634 | NL80211_FLAG_NEED_RTNL, | |
10635 | }, | |
10636 | { | |
10637 | .cmd = NL80211_CMD_SET_WOWLAN, | |
10638 | .doit = nl80211_set_wowlan, | |
10639 | .policy = nl80211_policy, | |
10640 | .flags = GENL_ADMIN_PERM, | |
10641 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10642 | NL80211_FLAG_NEED_RTNL, | |
10643 | }, | |
dfb89c56 | 10644 | #endif |
e5497d76 JB |
10645 | { |
10646 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
10647 | .doit = nl80211_set_rekey_data, | |
10648 | .policy = nl80211_policy, | |
10649 | .flags = GENL_ADMIN_PERM, | |
10650 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
5393b917 JB |
10651 | NL80211_FLAG_NEED_RTNL | |
10652 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 10653 | }, |
109086ce AN |
10654 | { |
10655 | .cmd = NL80211_CMD_TDLS_MGMT, | |
10656 | .doit = nl80211_tdls_mgmt, | |
10657 | .policy = nl80211_policy, | |
10658 | .flags = GENL_ADMIN_PERM, | |
10659 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10660 | NL80211_FLAG_NEED_RTNL, | |
10661 | }, | |
10662 | { | |
10663 | .cmd = NL80211_CMD_TDLS_OPER, | |
10664 | .doit = nl80211_tdls_oper, | |
10665 | .policy = nl80211_policy, | |
10666 | .flags = GENL_ADMIN_PERM, | |
10667 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10668 | NL80211_FLAG_NEED_RTNL, | |
10669 | }, | |
28946da7 JB |
10670 | { |
10671 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
10672 | .doit = nl80211_register_unexpected_frame, | |
10673 | .policy = nl80211_policy, | |
10674 | .flags = GENL_ADMIN_PERM, | |
10675 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10676 | NL80211_FLAG_NEED_RTNL, | |
10677 | }, | |
7f6cf311 JB |
10678 | { |
10679 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
10680 | .doit = nl80211_probe_client, | |
10681 | .policy = nl80211_policy, | |
10682 | .flags = GENL_ADMIN_PERM, | |
2b5f8b0b | 10683 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
10684 | NL80211_FLAG_NEED_RTNL, |
10685 | }, | |
5e760230 JB |
10686 | { |
10687 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
10688 | .doit = nl80211_register_beacons, | |
10689 | .policy = nl80211_policy, | |
10690 | .flags = GENL_ADMIN_PERM, | |
10691 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10692 | NL80211_FLAG_NEED_RTNL, | |
10693 | }, | |
1d9d9213 SW |
10694 | { |
10695 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
10696 | .doit = nl80211_set_noack_map, | |
10697 | .policy = nl80211_policy, | |
10698 | .flags = GENL_ADMIN_PERM, | |
10699 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10700 | NL80211_FLAG_NEED_RTNL, | |
10701 | }, | |
98104fde JB |
10702 | { |
10703 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
10704 | .doit = nl80211_start_p2p_device, | |
10705 | .policy = nl80211_policy, | |
10706 | .flags = GENL_ADMIN_PERM, | |
10707 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
10708 | NL80211_FLAG_NEED_RTNL, | |
10709 | }, | |
10710 | { | |
10711 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
10712 | .doit = nl80211_stop_p2p_device, | |
10713 | .policy = nl80211_policy, | |
10714 | .flags = GENL_ADMIN_PERM, | |
10715 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10716 | NL80211_FLAG_NEED_RTNL, | |
10717 | }, | |
f4e583c8 AQ |
10718 | { |
10719 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
10720 | .doit = nl80211_set_mcast_rate, | |
77765eaf VT |
10721 | .policy = nl80211_policy, |
10722 | .flags = GENL_ADMIN_PERM, | |
10723 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10724 | NL80211_FLAG_NEED_RTNL, | |
10725 | }, | |
10726 | { | |
10727 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
10728 | .doit = nl80211_set_mac_acl, | |
f4e583c8 AQ |
10729 | .policy = nl80211_policy, |
10730 | .flags = GENL_ADMIN_PERM, | |
10731 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
10732 | NL80211_FLAG_NEED_RTNL, | |
10733 | }, | |
04f39047 SW |
10734 | { |
10735 | .cmd = NL80211_CMD_RADAR_DETECT, | |
10736 | .doit = nl80211_start_radar_detection, | |
10737 | .policy = nl80211_policy, | |
10738 | .flags = GENL_ADMIN_PERM, | |
10739 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10740 | NL80211_FLAG_NEED_RTNL, | |
10741 | }, | |
3713b4e3 JB |
10742 | { |
10743 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
10744 | .doit = nl80211_get_protocol_features, | |
10745 | .policy = nl80211_policy, | |
10746 | }, | |
355199e0 JM |
10747 | { |
10748 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
10749 | .doit = nl80211_update_ft_ies, | |
10750 | .policy = nl80211_policy, | |
10751 | .flags = GENL_ADMIN_PERM, | |
10752 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10753 | NL80211_FLAG_NEED_RTNL, | |
10754 | }, | |
5de17984 AS |
10755 | { |
10756 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
10757 | .doit = nl80211_crit_protocol_start, | |
10758 | .policy = nl80211_policy, | |
10759 | .flags = GENL_ADMIN_PERM, | |
10760 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10761 | NL80211_FLAG_NEED_RTNL, | |
10762 | }, | |
10763 | { | |
10764 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
10765 | .doit = nl80211_crit_protocol_stop, | |
10766 | .policy = nl80211_policy, | |
10767 | .flags = GENL_ADMIN_PERM, | |
10768 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
10769 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
10770 | }, |
10771 | { | |
10772 | .cmd = NL80211_CMD_GET_COALESCE, | |
10773 | .doit = nl80211_get_coalesce, | |
10774 | .policy = nl80211_policy, | |
10775 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10776 | NL80211_FLAG_NEED_RTNL, | |
10777 | }, | |
10778 | { | |
10779 | .cmd = NL80211_CMD_SET_COALESCE, | |
10780 | .doit = nl80211_set_coalesce, | |
10781 | .policy = nl80211_policy, | |
10782 | .flags = GENL_ADMIN_PERM, | |
10783 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10784 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
10785 | }, |
10786 | { | |
10787 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
10788 | .doit = nl80211_channel_switch, | |
10789 | .policy = nl80211_policy, | |
10790 | .flags = GENL_ADMIN_PERM, | |
10791 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10792 | NL80211_FLAG_NEED_RTNL, | |
10793 | }, | |
ad7e718c JB |
10794 | { |
10795 | .cmd = NL80211_CMD_VENDOR, | |
10796 | .doit = nl80211_vendor_cmd, | |
10797 | .policy = nl80211_policy, | |
10798 | .flags = GENL_ADMIN_PERM, | |
10799 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
10800 | NL80211_FLAG_NEED_RTNL, | |
10801 | }, | |
fa9ffc74 KP |
10802 | { |
10803 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
10804 | .doit = nl80211_set_qos_map, | |
10805 | .policy = nl80211_policy, | |
10806 | .flags = GENL_ADMIN_PERM, | |
10807 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10808 | NL80211_FLAG_NEED_RTNL, | |
10809 | }, | |
960d01ac JB |
10810 | { |
10811 | .cmd = NL80211_CMD_ADD_TX_TS, | |
10812 | .doit = nl80211_add_tx_ts, | |
10813 | .policy = nl80211_policy, | |
10814 | .flags = GENL_ADMIN_PERM, | |
10815 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10816 | NL80211_FLAG_NEED_RTNL, | |
10817 | }, | |
10818 | { | |
10819 | .cmd = NL80211_CMD_DEL_TX_TS, | |
10820 | .doit = nl80211_del_tx_ts, | |
10821 | .policy = nl80211_policy, | |
10822 | .flags = GENL_ADMIN_PERM, | |
10823 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10824 | NL80211_FLAG_NEED_RTNL, | |
10825 | }, | |
1057d35e AN |
10826 | { |
10827 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
10828 | .doit = nl80211_tdls_channel_switch, | |
10829 | .policy = nl80211_policy, | |
10830 | .flags = GENL_ADMIN_PERM, | |
10831 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10832 | NL80211_FLAG_NEED_RTNL, | |
10833 | }, | |
10834 | { | |
10835 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
10836 | .doit = nl80211_tdls_cancel_channel_switch, | |
10837 | .policy = nl80211_policy, | |
10838 | .flags = GENL_ADMIN_PERM, | |
10839 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
10840 | NL80211_FLAG_NEED_RTNL, | |
10841 | }, | |
55682965 | 10842 | }; |
9588bbd5 | 10843 | |
55682965 JB |
10844 | /* notification functions */ |
10845 | ||
3bb20556 JB |
10846 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
10847 | enum nl80211_commands cmd) | |
55682965 JB |
10848 | { |
10849 | struct sk_buff *msg; | |
86e8cf98 | 10850 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 10851 | |
3bb20556 JB |
10852 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
10853 | cmd != NL80211_CMD_DEL_WIPHY); | |
10854 | ||
fd2120ca | 10855 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
10856 | if (!msg) |
10857 | return; | |
10858 | ||
3bb20556 | 10859 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
10860 | nlmsg_free(msg); |
10861 | return; | |
10862 | } | |
10863 | ||
68eb5503 | 10864 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10865 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
10866 | } |
10867 | ||
362a415d JB |
10868 | static int nl80211_add_scan_req(struct sk_buff *msg, |
10869 | struct cfg80211_registered_device *rdev) | |
10870 | { | |
10871 | struct cfg80211_scan_request *req = rdev->scan_req; | |
10872 | struct nlattr *nest; | |
10873 | int i; | |
10874 | ||
10875 | if (WARN_ON(!req)) | |
10876 | return 0; | |
10877 | ||
10878 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
10879 | if (!nest) | |
10880 | goto nla_put_failure; | |
9360ffd1 DM |
10881 | for (i = 0; i < req->n_ssids; i++) { |
10882 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
10883 | goto nla_put_failure; | |
10884 | } | |
362a415d JB |
10885 | nla_nest_end(msg, nest); |
10886 | ||
10887 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
10888 | if (!nest) | |
10889 | goto nla_put_failure; | |
9360ffd1 DM |
10890 | for (i = 0; i < req->n_channels; i++) { |
10891 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
10892 | goto nla_put_failure; | |
10893 | } | |
362a415d JB |
10894 | nla_nest_end(msg, nest); |
10895 | ||
9360ffd1 DM |
10896 | if (req->ie && |
10897 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
10898 | goto nla_put_failure; | |
362a415d | 10899 | |
ae917c9f JB |
10900 | if (req->flags && |
10901 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
10902 | goto nla_put_failure; | |
ed473771 | 10903 | |
362a415d JB |
10904 | return 0; |
10905 | nla_put_failure: | |
10906 | return -ENOBUFS; | |
10907 | } | |
10908 | ||
a538e2d5 JB |
10909 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
10910 | struct cfg80211_registered_device *rdev, | |
fd014284 | 10911 | struct wireless_dev *wdev, |
15e47304 | 10912 | u32 portid, u32 seq, int flags, |
a538e2d5 | 10913 | u32 cmd) |
2a519311 JB |
10914 | { |
10915 | void *hdr; | |
10916 | ||
15e47304 | 10917 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
10918 | if (!hdr) |
10919 | return -1; | |
10920 | ||
9360ffd1 | 10921 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
10922 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
10923 | wdev->netdev->ifindex)) || | |
10924 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
9360ffd1 | 10925 | goto nla_put_failure; |
2a519311 | 10926 | |
362a415d JB |
10927 | /* ignore errors and send incomplete event anyway */ |
10928 | nl80211_add_scan_req(msg, rdev); | |
2a519311 JB |
10929 | |
10930 | return genlmsg_end(msg, hdr); | |
10931 | ||
10932 | nla_put_failure: | |
10933 | genlmsg_cancel(msg, hdr); | |
10934 | return -EMSGSIZE; | |
10935 | } | |
10936 | ||
807f8a8c LC |
10937 | static int |
10938 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
10939 | struct cfg80211_registered_device *rdev, | |
10940 | struct net_device *netdev, | |
15e47304 | 10941 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
10942 | { |
10943 | void *hdr; | |
10944 | ||
15e47304 | 10945 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
10946 | if (!hdr) |
10947 | return -1; | |
10948 | ||
9360ffd1 DM |
10949 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
10950 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
10951 | goto nla_put_failure; | |
807f8a8c LC |
10952 | |
10953 | return genlmsg_end(msg, hdr); | |
10954 | ||
10955 | nla_put_failure: | |
10956 | genlmsg_cancel(msg, hdr); | |
10957 | return -EMSGSIZE; | |
10958 | } | |
10959 | ||
a538e2d5 | 10960 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 10961 | struct wireless_dev *wdev) |
a538e2d5 JB |
10962 | { |
10963 | struct sk_buff *msg; | |
10964 | ||
58050fce | 10965 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
10966 | if (!msg) |
10967 | return; | |
10968 | ||
fd014284 | 10969 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
10970 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
10971 | nlmsg_free(msg); | |
10972 | return; | |
10973 | } | |
10974 | ||
68eb5503 | 10975 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 10976 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
10977 | } |
10978 | ||
f9d15d16 JB |
10979 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
10980 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
10981 | { |
10982 | struct sk_buff *msg; | |
10983 | ||
fd2120ca | 10984 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 10985 | if (!msg) |
f9d15d16 | 10986 | return NULL; |
2a519311 | 10987 | |
fd014284 | 10988 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
10989 | aborted ? NL80211_CMD_SCAN_ABORTED : |
10990 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 10991 | nlmsg_free(msg); |
f9d15d16 | 10992 | return NULL; |
2a519311 JB |
10993 | } |
10994 | ||
f9d15d16 | 10995 | return msg; |
2a519311 JB |
10996 | } |
10997 | ||
f9d15d16 JB |
10998 | void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, |
10999 | struct sk_buff *msg) | |
2a519311 | 11000 | { |
2a519311 JB |
11001 | if (!msg) |
11002 | return; | |
11003 | ||
68eb5503 | 11004 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11005 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
11006 | } |
11007 | ||
807f8a8c LC |
11008 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
11009 | struct net_device *netdev) | |
11010 | { | |
11011 | struct sk_buff *msg; | |
11012 | ||
11013 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11014 | if (!msg) | |
11015 | return; | |
11016 | ||
11017 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
11018 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
11019 | nlmsg_free(msg); | |
11020 | return; | |
11021 | } | |
11022 | ||
68eb5503 | 11023 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11024 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
11025 | } |
11026 | ||
11027 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
11028 | struct net_device *netdev, u32 cmd) | |
11029 | { | |
11030 | struct sk_buff *msg; | |
11031 | ||
58050fce | 11032 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
11033 | if (!msg) |
11034 | return; | |
11035 | ||
11036 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
11037 | nlmsg_free(msg); | |
11038 | return; | |
11039 | } | |
11040 | ||
68eb5503 | 11041 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11042 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
11043 | } |
11044 | ||
b0d7aa59 JD |
11045 | static bool nl80211_reg_change_event_fill(struct sk_buff *msg, |
11046 | struct regulatory_request *request) | |
73d54c9e | 11047 | { |
73d54c9e | 11048 | /* Userspace can always count this one always being set */ |
9360ffd1 DM |
11049 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
11050 | goto nla_put_failure; | |
11051 | ||
11052 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
11053 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
11054 | NL80211_REGDOM_TYPE_WORLD)) | |
11055 | goto nla_put_failure; | |
11056 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
11057 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
11058 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
11059 | goto nla_put_failure; | |
11060 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
11061 | request->intersect) { | |
11062 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
11063 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
11064 | goto nla_put_failure; | |
11065 | } else { | |
11066 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
11067 | NL80211_REGDOM_TYPE_COUNTRY) || | |
11068 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
11069 | request->alpha2)) | |
11070 | goto nla_put_failure; | |
11071 | } | |
11072 | ||
ad30ca2c AN |
11073 | if (request->wiphy_idx != WIPHY_IDX_INVALID) { |
11074 | struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx); | |
11075 | ||
11076 | if (wiphy && | |
11077 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) | |
11078 | goto nla_put_failure; | |
11079 | } | |
73d54c9e | 11080 | |
b0d7aa59 JD |
11081 | return true; |
11082 | ||
11083 | nla_put_failure: | |
11084 | return false; | |
11085 | } | |
11086 | ||
11087 | /* | |
11088 | * This can happen on global regulatory changes or device specific settings | |
11089 | * based on custom regulatory domains. | |
11090 | */ | |
11091 | void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, | |
11092 | struct regulatory_request *request) | |
11093 | { | |
11094 | struct sk_buff *msg; | |
11095 | void *hdr; | |
11096 | ||
11097 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11098 | if (!msg) | |
11099 | return; | |
11100 | ||
11101 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id); | |
11102 | if (!hdr) { | |
11103 | nlmsg_free(msg); | |
11104 | return; | |
11105 | } | |
11106 | ||
11107 | if (nl80211_reg_change_event_fill(msg, request) == false) | |
11108 | goto nla_put_failure; | |
11109 | ||
3b7b72ee | 11110 | genlmsg_end(msg, hdr); |
73d54c9e | 11111 | |
bc43b28c | 11112 | rcu_read_lock(); |
68eb5503 | 11113 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 11114 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 11115 | rcu_read_unlock(); |
73d54c9e LR |
11116 | |
11117 | return; | |
11118 | ||
11119 | nla_put_failure: | |
11120 | genlmsg_cancel(msg, hdr); | |
11121 | nlmsg_free(msg); | |
11122 | } | |
11123 | ||
6039f6d2 JM |
11124 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
11125 | struct net_device *netdev, | |
11126 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
11127 | enum nl80211_commands cmd, gfp_t gfp, |
11128 | int uapsd_queues) | |
6039f6d2 JM |
11129 | { |
11130 | struct sk_buff *msg; | |
11131 | void *hdr; | |
11132 | ||
e6d6e342 | 11133 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
11134 | if (!msg) |
11135 | return; | |
11136 | ||
11137 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
11138 | if (!hdr) { | |
11139 | nlmsg_free(msg); | |
11140 | return; | |
11141 | } | |
11142 | ||
9360ffd1 DM |
11143 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11144 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11145 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
11146 | goto nla_put_failure; | |
6039f6d2 | 11147 | |
b0b6aa2c EP |
11148 | if (uapsd_queues >= 0) { |
11149 | struct nlattr *nla_wmm = | |
11150 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
11151 | if (!nla_wmm) | |
11152 | goto nla_put_failure; | |
11153 | ||
11154 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
11155 | uapsd_queues)) | |
11156 | goto nla_put_failure; | |
11157 | ||
11158 | nla_nest_end(msg, nla_wmm); | |
11159 | } | |
11160 | ||
3b7b72ee | 11161 | genlmsg_end(msg, hdr); |
6039f6d2 | 11162 | |
68eb5503 | 11163 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11164 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
11165 | return; |
11166 | ||
11167 | nla_put_failure: | |
11168 | genlmsg_cancel(msg, hdr); | |
11169 | nlmsg_free(msg); | |
11170 | } | |
11171 | ||
11172 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
11173 | struct net_device *netdev, const u8 *buf, |
11174 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
11175 | { |
11176 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 11177 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
11178 | } |
11179 | ||
11180 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
11181 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 11182 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 11183 | { |
e6d6e342 | 11184 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 11185 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
11186 | } |
11187 | ||
53b46b84 | 11188 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
11189 | struct net_device *netdev, const u8 *buf, |
11190 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
11191 | { |
11192 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 11193 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
11194 | } |
11195 | ||
53b46b84 JM |
11196 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
11197 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 11198 | size_t len, gfp_t gfp) |
6039f6d2 JM |
11199 | { |
11200 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 11201 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
11202 | } |
11203 | ||
6ff57cf8 JB |
11204 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
11205 | size_t len) | |
cf4e594e | 11206 | { |
947add36 JB |
11207 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11208 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 11209 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
11210 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
11211 | u32 cmd; | |
947add36 | 11212 | |
6ff57cf8 JB |
11213 | if (WARN_ON(len < 2)) |
11214 | return; | |
cf4e594e | 11215 | |
6ff57cf8 JB |
11216 | if (ieee80211_is_deauth(mgmt->frame_control)) |
11217 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
11218 | else | |
11219 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 11220 | |
6ff57cf8 | 11221 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 11222 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 11223 | } |
6ff57cf8 | 11224 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 11225 | |
1b06bb40 LR |
11226 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
11227 | struct net_device *netdev, int cmd, | |
e6d6e342 | 11228 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
11229 | { |
11230 | struct sk_buff *msg; | |
11231 | void *hdr; | |
11232 | ||
e6d6e342 | 11233 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
11234 | if (!msg) |
11235 | return; | |
11236 | ||
11237 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
11238 | if (!hdr) { | |
11239 | nlmsg_free(msg); | |
11240 | return; | |
11241 | } | |
11242 | ||
9360ffd1 DM |
11243 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11244 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11245 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
11246 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
11247 | goto nla_put_failure; | |
1965c853 | 11248 | |
3b7b72ee | 11249 | genlmsg_end(msg, hdr); |
1965c853 | 11250 | |
68eb5503 | 11251 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11252 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
11253 | return; |
11254 | ||
11255 | nla_put_failure: | |
11256 | genlmsg_cancel(msg, hdr); | |
11257 | nlmsg_free(msg); | |
11258 | } | |
11259 | ||
11260 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
11261 | struct net_device *netdev, const u8 *addr, |
11262 | gfp_t gfp) | |
1965c853 JM |
11263 | { |
11264 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 11265 | addr, gfp); |
1965c853 JM |
11266 | } |
11267 | ||
11268 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
11269 | struct net_device *netdev, const u8 *addr, |
11270 | gfp_t gfp) | |
1965c853 | 11271 | { |
e6d6e342 JB |
11272 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
11273 | addr, gfp); | |
1965c853 JM |
11274 | } |
11275 | ||
b23aa676 SO |
11276 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
11277 | struct net_device *netdev, const u8 *bssid, | |
11278 | const u8 *req_ie, size_t req_ie_len, | |
11279 | const u8 *resp_ie, size_t resp_ie_len, | |
11280 | u16 status, gfp_t gfp) | |
11281 | { | |
11282 | struct sk_buff *msg; | |
11283 | void *hdr; | |
11284 | ||
58050fce | 11285 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
11286 | if (!msg) |
11287 | return; | |
11288 | ||
11289 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
11290 | if (!hdr) { | |
11291 | nlmsg_free(msg); | |
11292 | return; | |
11293 | } | |
11294 | ||
9360ffd1 DM |
11295 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11296 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11297 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
11298 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) || | |
11299 | (req_ie && | |
11300 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
11301 | (resp_ie && | |
11302 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
11303 | goto nla_put_failure; | |
b23aa676 | 11304 | |
3b7b72ee | 11305 | genlmsg_end(msg, hdr); |
b23aa676 | 11306 | |
68eb5503 | 11307 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11308 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
11309 | return; |
11310 | ||
11311 | nla_put_failure: | |
11312 | genlmsg_cancel(msg, hdr); | |
11313 | nlmsg_free(msg); | |
11314 | ||
11315 | } | |
11316 | ||
11317 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
11318 | struct net_device *netdev, const u8 *bssid, | |
11319 | const u8 *req_ie, size_t req_ie_len, | |
11320 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
11321 | { | |
11322 | struct sk_buff *msg; | |
11323 | void *hdr; | |
11324 | ||
58050fce | 11325 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
11326 | if (!msg) |
11327 | return; | |
11328 | ||
11329 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
11330 | if (!hdr) { | |
11331 | nlmsg_free(msg); | |
11332 | return; | |
11333 | } | |
11334 | ||
9360ffd1 DM |
11335 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11336 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11337 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
11338 | (req_ie && | |
11339 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
11340 | (resp_ie && | |
11341 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
11342 | goto nla_put_failure; | |
b23aa676 | 11343 | |
3b7b72ee | 11344 | genlmsg_end(msg, hdr); |
b23aa676 | 11345 | |
68eb5503 | 11346 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11347 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
11348 | return; |
11349 | ||
11350 | nla_put_failure: | |
11351 | genlmsg_cancel(msg, hdr); | |
11352 | nlmsg_free(msg); | |
11353 | ||
11354 | } | |
11355 | ||
11356 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
11357 | struct net_device *netdev, u16 reason, | |
667503dd | 11358 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
11359 | { |
11360 | struct sk_buff *msg; | |
11361 | void *hdr; | |
11362 | ||
58050fce | 11363 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
11364 | if (!msg) |
11365 | return; | |
11366 | ||
11367 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
11368 | if (!hdr) { | |
11369 | nlmsg_free(msg); | |
11370 | return; | |
11371 | } | |
11372 | ||
9360ffd1 DM |
11373 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11374 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11375 | (from_ap && reason && | |
11376 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
11377 | (from_ap && | |
11378 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
11379 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
11380 | goto nla_put_failure; | |
b23aa676 | 11381 | |
3b7b72ee | 11382 | genlmsg_end(msg, hdr); |
b23aa676 | 11383 | |
68eb5503 | 11384 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11385 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
11386 | return; |
11387 | ||
11388 | nla_put_failure: | |
11389 | genlmsg_cancel(msg, hdr); | |
11390 | nlmsg_free(msg); | |
11391 | ||
11392 | } | |
11393 | ||
04a773ad JB |
11394 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
11395 | struct net_device *netdev, const u8 *bssid, | |
11396 | gfp_t gfp) | |
11397 | { | |
11398 | struct sk_buff *msg; | |
11399 | void *hdr; | |
11400 | ||
fd2120ca | 11401 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
11402 | if (!msg) |
11403 | return; | |
11404 | ||
11405 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
11406 | if (!hdr) { | |
11407 | nlmsg_free(msg); | |
11408 | return; | |
11409 | } | |
11410 | ||
9360ffd1 DM |
11411 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11412 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11413 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
11414 | goto nla_put_failure; | |
04a773ad | 11415 | |
3b7b72ee | 11416 | genlmsg_end(msg, hdr); |
04a773ad | 11417 | |
68eb5503 | 11418 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11419 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
11420 | return; |
11421 | ||
11422 | nla_put_failure: | |
11423 | genlmsg_cancel(msg, hdr); | |
11424 | nlmsg_free(msg); | |
11425 | } | |
11426 | ||
947add36 JB |
11427 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
11428 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 11429 | { |
947add36 | 11430 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 11431 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
11432 | struct sk_buff *msg; |
11433 | void *hdr; | |
11434 | ||
947add36 JB |
11435 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
11436 | return; | |
11437 | ||
11438 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
11439 | ||
c93b5e71 JC |
11440 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
11441 | if (!msg) | |
11442 | return; | |
11443 | ||
11444 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
11445 | if (!hdr) { | |
11446 | nlmsg_free(msg); | |
11447 | return; | |
11448 | } | |
11449 | ||
9360ffd1 | 11450 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
11451 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
11452 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
11453 | (ie_len && ie && |
11454 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
11455 | goto nla_put_failure; | |
c93b5e71 | 11456 | |
3b7b72ee | 11457 | genlmsg_end(msg, hdr); |
c93b5e71 | 11458 | |
68eb5503 | 11459 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11460 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
11461 | return; |
11462 | ||
11463 | nla_put_failure: | |
11464 | genlmsg_cancel(msg, hdr); | |
11465 | nlmsg_free(msg); | |
11466 | } | |
947add36 | 11467 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 11468 | |
a3b8b056 JM |
11469 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
11470 | struct net_device *netdev, const u8 *addr, | |
11471 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 11472 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
11473 | { |
11474 | struct sk_buff *msg; | |
11475 | void *hdr; | |
11476 | ||
e6d6e342 | 11477 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
11478 | if (!msg) |
11479 | return; | |
11480 | ||
11481 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
11482 | if (!hdr) { | |
11483 | nlmsg_free(msg); | |
11484 | return; | |
11485 | } | |
11486 | ||
9360ffd1 DM |
11487 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11488 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
11489 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
11490 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
11491 | (key_id != -1 && | |
11492 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
11493 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
11494 | goto nla_put_failure; | |
a3b8b056 | 11495 | |
3b7b72ee | 11496 | genlmsg_end(msg, hdr); |
a3b8b056 | 11497 | |
68eb5503 | 11498 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11499 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
11500 | return; |
11501 | ||
11502 | nla_put_failure: | |
11503 | genlmsg_cancel(msg, hdr); | |
11504 | nlmsg_free(msg); | |
11505 | } | |
11506 | ||
6bad8766 LR |
11507 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
11508 | struct ieee80211_channel *channel_before, | |
11509 | struct ieee80211_channel *channel_after) | |
11510 | { | |
11511 | struct sk_buff *msg; | |
11512 | void *hdr; | |
11513 | struct nlattr *nl_freq; | |
11514 | ||
fd2120ca | 11515 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
11516 | if (!msg) |
11517 | return; | |
11518 | ||
11519 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
11520 | if (!hdr) { | |
11521 | nlmsg_free(msg); | |
11522 | return; | |
11523 | } | |
11524 | ||
11525 | /* | |
11526 | * Since we are applying the beacon hint to a wiphy we know its | |
11527 | * wiphy_idx is valid | |
11528 | */ | |
9360ffd1 DM |
11529 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
11530 | goto nla_put_failure; | |
6bad8766 LR |
11531 | |
11532 | /* Before */ | |
11533 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
11534 | if (!nl_freq) | |
11535 | goto nla_put_failure; | |
cdc89b97 | 11536 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
11537 | goto nla_put_failure; |
11538 | nla_nest_end(msg, nl_freq); | |
11539 | ||
11540 | /* After */ | |
11541 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
11542 | if (!nl_freq) | |
11543 | goto nla_put_failure; | |
cdc89b97 | 11544 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
11545 | goto nla_put_failure; |
11546 | nla_nest_end(msg, nl_freq); | |
11547 | ||
3b7b72ee | 11548 | genlmsg_end(msg, hdr); |
6bad8766 | 11549 | |
463d0183 | 11550 | rcu_read_lock(); |
68eb5503 | 11551 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 11552 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 11553 | rcu_read_unlock(); |
6bad8766 LR |
11554 | |
11555 | return; | |
11556 | ||
11557 | nla_put_failure: | |
11558 | genlmsg_cancel(msg, hdr); | |
11559 | nlmsg_free(msg); | |
11560 | } | |
11561 | ||
9588bbd5 JM |
11562 | static void nl80211_send_remain_on_chan_event( |
11563 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 11564 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 11565 | struct ieee80211_channel *chan, |
9588bbd5 JM |
11566 | unsigned int duration, gfp_t gfp) |
11567 | { | |
11568 | struct sk_buff *msg; | |
11569 | void *hdr; | |
11570 | ||
11571 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11572 | if (!msg) | |
11573 | return; | |
11574 | ||
11575 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
11576 | if (!hdr) { | |
11577 | nlmsg_free(msg); | |
11578 | return; | |
11579 | } | |
11580 | ||
9360ffd1 | 11581 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
11582 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11583 | wdev->netdev->ifindex)) || | |
00f53350 | 11584 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 | 11585 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
11586 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
11587 | NL80211_CHAN_NO_HT) || | |
9360ffd1 DM |
11588 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) |
11589 | goto nla_put_failure; | |
9588bbd5 | 11590 | |
9360ffd1 DM |
11591 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
11592 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
11593 | goto nla_put_failure; | |
9588bbd5 | 11594 | |
3b7b72ee | 11595 | genlmsg_end(msg, hdr); |
9588bbd5 | 11596 | |
68eb5503 | 11597 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11598 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
11599 | return; |
11600 | ||
11601 | nla_put_failure: | |
11602 | genlmsg_cancel(msg, hdr); | |
11603 | nlmsg_free(msg); | |
11604 | } | |
11605 | ||
947add36 JB |
11606 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
11607 | struct ieee80211_channel *chan, | |
11608 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 11609 | { |
947add36 | 11610 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 11611 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
11612 | |
11613 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 11614 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 11615 | rdev, wdev, cookie, chan, |
42d97a59 | 11616 | duration, gfp); |
9588bbd5 | 11617 | } |
947add36 | 11618 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 11619 | |
947add36 JB |
11620 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
11621 | struct ieee80211_channel *chan, | |
11622 | gfp_t gfp) | |
9588bbd5 | 11623 | { |
947add36 | 11624 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 11625 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
11626 | |
11627 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 11628 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 11629 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 11630 | } |
947add36 | 11631 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 11632 | |
947add36 JB |
11633 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
11634 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 11635 | { |
947add36 | 11636 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 11637 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
11638 | struct sk_buff *msg; |
11639 | ||
947add36 JB |
11640 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
11641 | ||
58050fce | 11642 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
11643 | if (!msg) |
11644 | return; | |
11645 | ||
66266b3a JL |
11646 | if (nl80211_send_station(msg, 0, 0, 0, |
11647 | rdev, dev, mac_addr, sinfo) < 0) { | |
98b62183 JB |
11648 | nlmsg_free(msg); |
11649 | return; | |
11650 | } | |
11651 | ||
68eb5503 | 11652 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11653 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 11654 | } |
947add36 | 11655 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 11656 | |
947add36 | 11657 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
ec15e68b | 11658 | { |
947add36 | 11659 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 11660 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b JM |
11661 | struct sk_buff *msg; |
11662 | void *hdr; | |
11663 | ||
947add36 JB |
11664 | trace_cfg80211_del_sta(dev, mac_addr); |
11665 | ||
58050fce | 11666 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
11667 | if (!msg) |
11668 | return; | |
11669 | ||
11670 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); | |
11671 | if (!hdr) { | |
11672 | nlmsg_free(msg); | |
11673 | return; | |
11674 | } | |
11675 | ||
9360ffd1 DM |
11676 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
11677 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
11678 | goto nla_put_failure; | |
ec15e68b | 11679 | |
3b7b72ee | 11680 | genlmsg_end(msg, hdr); |
ec15e68b | 11681 | |
68eb5503 | 11682 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11683 | NL80211_MCGRP_MLME, gfp); |
ec15e68b JM |
11684 | return; |
11685 | ||
11686 | nla_put_failure: | |
11687 | genlmsg_cancel(msg, hdr); | |
11688 | nlmsg_free(msg); | |
11689 | } | |
947add36 | 11690 | EXPORT_SYMBOL(cfg80211_del_sta); |
ec15e68b | 11691 | |
947add36 JB |
11692 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
11693 | enum nl80211_connect_failed_reason reason, | |
11694 | gfp_t gfp) | |
ed44a951 | 11695 | { |
947add36 | 11696 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 11697 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
11698 | struct sk_buff *msg; |
11699 | void *hdr; | |
11700 | ||
11701 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
11702 | if (!msg) | |
11703 | return; | |
11704 | ||
11705 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
11706 | if (!hdr) { | |
11707 | nlmsg_free(msg); | |
11708 | return; | |
11709 | } | |
11710 | ||
11711 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11712 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
11713 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
11714 | goto nla_put_failure; | |
11715 | ||
11716 | genlmsg_end(msg, hdr); | |
11717 | ||
68eb5503 | 11718 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11719 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
11720 | return; |
11721 | ||
11722 | nla_put_failure: | |
11723 | genlmsg_cancel(msg, hdr); | |
11724 | nlmsg_free(msg); | |
11725 | } | |
947add36 | 11726 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 11727 | |
b92ab5d8 JB |
11728 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
11729 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
11730 | { |
11731 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 11732 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
11733 | struct sk_buff *msg; |
11734 | void *hdr; | |
15e47304 | 11735 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 11736 | |
15e47304 | 11737 | if (!nlportid) |
28946da7 JB |
11738 | return false; |
11739 | ||
11740 | msg = nlmsg_new(100, gfp); | |
11741 | if (!msg) | |
11742 | return true; | |
11743 | ||
b92ab5d8 | 11744 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
11745 | if (!hdr) { |
11746 | nlmsg_free(msg); | |
11747 | return true; | |
11748 | } | |
11749 | ||
9360ffd1 DM |
11750 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
11751 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
11752 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
11753 | goto nla_put_failure; | |
28946da7 | 11754 | |
9c90a9f6 | 11755 | genlmsg_end(msg, hdr); |
15e47304 | 11756 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
11757 | return true; |
11758 | ||
11759 | nla_put_failure: | |
11760 | genlmsg_cancel(msg, hdr); | |
11761 | nlmsg_free(msg); | |
11762 | return true; | |
11763 | } | |
11764 | ||
947add36 JB |
11765 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
11766 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 11767 | { |
947add36 JB |
11768 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11769 | bool ret; | |
11770 | ||
11771 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
11772 | ||
11773 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
11774 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
11775 | trace_cfg80211_return_bool(false); | |
11776 | return false; | |
11777 | } | |
11778 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
11779 | addr, gfp); | |
11780 | trace_cfg80211_return_bool(ret); | |
11781 | return ret; | |
b92ab5d8 | 11782 | } |
947add36 | 11783 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 11784 | |
947add36 JB |
11785 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
11786 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 11787 | { |
947add36 JB |
11788 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
11789 | bool ret; | |
11790 | ||
11791 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
11792 | ||
11793 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
11794 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
11795 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
11796 | trace_cfg80211_return_bool(false); | |
11797 | return false; | |
11798 | } | |
11799 | ret = __nl80211_unexpected_frame(dev, | |
11800 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
11801 | addr, gfp); | |
11802 | trace_cfg80211_return_bool(ret); | |
11803 | return ret; | |
b92ab5d8 | 11804 | } |
947add36 | 11805 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 11806 | |
2e161f78 | 11807 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 11808 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 11809 | int freq, int sig_dbm, |
19504cf5 | 11810 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 11811 | { |
71bbc994 | 11812 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
11813 | struct sk_buff *msg; |
11814 | void *hdr; | |
026331c4 JM |
11815 | |
11816 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11817 | if (!msg) | |
11818 | return -ENOMEM; | |
11819 | ||
2e161f78 | 11820 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
11821 | if (!hdr) { |
11822 | nlmsg_free(msg); | |
11823 | return -ENOMEM; | |
11824 | } | |
11825 | ||
9360ffd1 | 11826 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
11827 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11828 | netdev->ifindex)) || | |
a838490b | 11829 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
11830 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
11831 | (sig_dbm && | |
11832 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
11833 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
11834 | (flags && | |
11835 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 11836 | goto nla_put_failure; |
026331c4 | 11837 | |
3b7b72ee | 11838 | genlmsg_end(msg, hdr); |
026331c4 | 11839 | |
15e47304 | 11840 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
11841 | |
11842 | nla_put_failure: | |
11843 | genlmsg_cancel(msg, hdr); | |
11844 | nlmsg_free(msg); | |
11845 | return -ENOBUFS; | |
11846 | } | |
11847 | ||
947add36 JB |
11848 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
11849 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 11850 | { |
947add36 | 11851 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 11852 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 11853 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
11854 | struct sk_buff *msg; |
11855 | void *hdr; | |
11856 | ||
947add36 JB |
11857 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
11858 | ||
026331c4 JM |
11859 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
11860 | if (!msg) | |
11861 | return; | |
11862 | ||
2e161f78 | 11863 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
11864 | if (!hdr) { |
11865 | nlmsg_free(msg); | |
11866 | return; | |
11867 | } | |
11868 | ||
9360ffd1 | 11869 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
11870 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
11871 | netdev->ifindex)) || | |
a838490b | 11872 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || |
9360ffd1 DM |
11873 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
11874 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
11875 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
11876 | goto nla_put_failure; | |
026331c4 | 11877 | |
3b7b72ee | 11878 | genlmsg_end(msg, hdr); |
026331c4 | 11879 | |
68eb5503 | 11880 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11881 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
11882 | return; |
11883 | ||
11884 | nla_put_failure: | |
11885 | genlmsg_cancel(msg, hdr); | |
11886 | nlmsg_free(msg); | |
11887 | } | |
947add36 | 11888 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 11889 | |
5b97f49d JB |
11890 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
11891 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 11892 | { |
947add36 | 11893 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
11894 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
11895 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11896 | void **cb; | |
947add36 | 11897 | |
d6dc1a38 | 11898 | if (!msg) |
5b97f49d | 11899 | return NULL; |
d6dc1a38 | 11900 | |
5b97f49d JB |
11901 | cb = (void **)msg->cb; |
11902 | ||
11903 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
11904 | if (!cb[0]) { | |
d6dc1a38 | 11905 | nlmsg_free(msg); |
5b97f49d | 11906 | return NULL; |
d6dc1a38 JO |
11907 | } |
11908 | ||
9360ffd1 | 11909 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 11910 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 11911 | goto nla_put_failure; |
d6dc1a38 | 11912 | |
5b97f49d | 11913 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
11914 | goto nla_put_failure; |
11915 | ||
5b97f49d JB |
11916 | cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM); |
11917 | if (!cb[1]) | |
9360ffd1 | 11918 | goto nla_put_failure; |
d6dc1a38 | 11919 | |
5b97f49d | 11920 | cb[2] = rdev; |
d6dc1a38 | 11921 | |
5b97f49d JB |
11922 | return msg; |
11923 | nla_put_failure: | |
11924 | nlmsg_free(msg); | |
11925 | return NULL; | |
11926 | } | |
11927 | ||
11928 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
11929 | { | |
11930 | void **cb = (void **)msg->cb; | |
11931 | struct cfg80211_registered_device *rdev = cb[2]; | |
11932 | ||
11933 | nla_nest_end(msg, cb[1]); | |
11934 | genlmsg_end(msg, cb[0]); | |
11935 | ||
11936 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 11937 | |
68eb5503 | 11938 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 11939 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
11940 | } |
11941 | ||
11942 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
11943 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
11944 | gfp_t gfp) | |
11945 | { | |
11946 | struct sk_buff *msg; | |
11947 | ||
11948 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); | |
11949 | ||
98f03342 JB |
11950 | if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && |
11951 | rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) | |
11952 | return; | |
11953 | ||
5b97f49d JB |
11954 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); |
11955 | if (!msg) | |
11956 | return; | |
11957 | ||
11958 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
11959 | rssi_event)) | |
11960 | goto nla_put_failure; | |
11961 | ||
11962 | cfg80211_send_cqm(msg, gfp); | |
11963 | ||
d6dc1a38 JO |
11964 | return; |
11965 | ||
11966 | nla_put_failure: | |
d6dc1a38 JO |
11967 | nlmsg_free(msg); |
11968 | } | |
947add36 | 11969 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 11970 | |
5b97f49d JB |
11971 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
11972 | const u8 *peer, u32 num_packets, | |
11973 | u32 rate, u32 intvl, gfp_t gfp) | |
11974 | { | |
11975 | struct sk_buff *msg; | |
11976 | ||
11977 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
11978 | if (!msg) | |
11979 | return; | |
11980 | ||
11981 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
11982 | goto nla_put_failure; | |
11983 | ||
11984 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
11985 | goto nla_put_failure; | |
11986 | ||
11987 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
11988 | goto nla_put_failure; | |
11989 | ||
11990 | cfg80211_send_cqm(msg, gfp); | |
11991 | return; | |
11992 | ||
11993 | nla_put_failure: | |
11994 | nlmsg_free(msg); | |
11995 | } | |
11996 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
11997 | ||
11998 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
11999 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
12000 | { | |
12001 | struct sk_buff *msg; | |
12002 | ||
12003 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
12004 | ||
12005 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
12006 | if (!msg) | |
12007 | return; | |
12008 | ||
12009 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
12010 | goto nla_put_failure; | |
12011 | ||
12012 | cfg80211_send_cqm(msg, gfp); | |
12013 | return; | |
12014 | ||
12015 | nla_put_failure: | |
12016 | nlmsg_free(msg); | |
12017 | } | |
12018 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
12019 | ||
98f03342 JB |
12020 | void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp) |
12021 | { | |
12022 | struct sk_buff *msg; | |
12023 | ||
12024 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
12025 | if (!msg) | |
12026 | return; | |
12027 | ||
12028 | if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT)) | |
12029 | goto nla_put_failure; | |
12030 | ||
12031 | cfg80211_send_cqm(msg, gfp); | |
12032 | return; | |
12033 | ||
12034 | nla_put_failure: | |
12035 | nlmsg_free(msg); | |
12036 | } | |
12037 | EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify); | |
12038 | ||
947add36 JB |
12039 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
12040 | struct net_device *netdev, const u8 *bssid, | |
12041 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
12042 | { |
12043 | struct sk_buff *msg; | |
12044 | struct nlattr *rekey_attr; | |
12045 | void *hdr; | |
12046 | ||
58050fce | 12047 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
12048 | if (!msg) |
12049 | return; | |
12050 | ||
12051 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
12052 | if (!hdr) { | |
12053 | nlmsg_free(msg); | |
12054 | return; | |
12055 | } | |
12056 | ||
9360ffd1 DM |
12057 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12058 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12059 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
12060 | goto nla_put_failure; | |
e5497d76 JB |
12061 | |
12062 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
12063 | if (!rekey_attr) | |
12064 | goto nla_put_failure; | |
12065 | ||
9360ffd1 DM |
12066 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
12067 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
12068 | goto nla_put_failure; | |
e5497d76 JB |
12069 | |
12070 | nla_nest_end(msg, rekey_attr); | |
12071 | ||
3b7b72ee | 12072 | genlmsg_end(msg, hdr); |
e5497d76 | 12073 | |
68eb5503 | 12074 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12075 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
12076 | return; |
12077 | ||
12078 | nla_put_failure: | |
12079 | genlmsg_cancel(msg, hdr); | |
12080 | nlmsg_free(msg); | |
12081 | } | |
12082 | ||
947add36 JB |
12083 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
12084 | const u8 *replay_ctr, gfp_t gfp) | |
12085 | { | |
12086 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12087 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12088 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
12089 | |
12090 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
12091 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
12092 | } | |
12093 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
12094 | ||
12095 | static void | |
12096 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
12097 | struct net_device *netdev, int index, | |
12098 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
12099 | { |
12100 | struct sk_buff *msg; | |
12101 | struct nlattr *attr; | |
12102 | void *hdr; | |
12103 | ||
58050fce | 12104 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
12105 | if (!msg) |
12106 | return; | |
12107 | ||
12108 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
12109 | if (!hdr) { | |
12110 | nlmsg_free(msg); | |
12111 | return; | |
12112 | } | |
12113 | ||
9360ffd1 DM |
12114 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12115 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
12116 | goto nla_put_failure; | |
c9df56b4 JM |
12117 | |
12118 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
12119 | if (!attr) | |
12120 | goto nla_put_failure; | |
12121 | ||
9360ffd1 DM |
12122 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
12123 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
12124 | (preauth && | |
12125 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
12126 | goto nla_put_failure; | |
c9df56b4 JM |
12127 | |
12128 | nla_nest_end(msg, attr); | |
12129 | ||
3b7b72ee | 12130 | genlmsg_end(msg, hdr); |
c9df56b4 | 12131 | |
68eb5503 | 12132 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12133 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
12134 | return; |
12135 | ||
12136 | nla_put_failure: | |
12137 | genlmsg_cancel(msg, hdr); | |
12138 | nlmsg_free(msg); | |
12139 | } | |
12140 | ||
947add36 JB |
12141 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
12142 | const u8 *bssid, bool preauth, gfp_t gfp) | |
12143 | { | |
12144 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12145 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12146 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
12147 | |
12148 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
12149 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
12150 | } | |
12151 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
12152 | ||
12153 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
12154 | struct net_device *netdev, | |
12155 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
12156 | gfp_t gfp, |
12157 | enum nl80211_commands notif, | |
12158 | u8 count) | |
5314526b TP |
12159 | { |
12160 | struct sk_buff *msg; | |
12161 | void *hdr; | |
12162 | ||
58050fce | 12163 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
12164 | if (!msg) |
12165 | return; | |
12166 | ||
f8d7552e | 12167 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
12168 | if (!hdr) { |
12169 | nlmsg_free(msg); | |
12170 | return; | |
12171 | } | |
12172 | ||
683b6d3b JB |
12173 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
12174 | goto nla_put_failure; | |
12175 | ||
12176 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 12177 | goto nla_put_failure; |
5314526b | 12178 | |
f8d7552e LC |
12179 | if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && |
12180 | (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) | |
12181 | goto nla_put_failure; | |
12182 | ||
5314526b TP |
12183 | genlmsg_end(msg, hdr); |
12184 | ||
68eb5503 | 12185 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12186 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
12187 | return; |
12188 | ||
12189 | nla_put_failure: | |
12190 | genlmsg_cancel(msg, hdr); | |
12191 | nlmsg_free(msg); | |
12192 | } | |
12193 | ||
947add36 JB |
12194 | void cfg80211_ch_switch_notify(struct net_device *dev, |
12195 | struct cfg80211_chan_def *chandef) | |
84f10708 | 12196 | { |
947add36 JB |
12197 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
12198 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12199 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 12200 | |
e487eaeb | 12201 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 12202 | |
e487eaeb | 12203 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 12204 | |
9e0e2961 | 12205 | wdev->chandef = *chandef; |
96f55f12 | 12206 | wdev->preset_chandef = *chandef; |
f8d7552e LC |
12207 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
12208 | NL80211_CMD_CH_SWITCH_NOTIFY, 0); | |
947add36 JB |
12209 | } |
12210 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
12211 | ||
f8d7552e LC |
12212 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
12213 | struct cfg80211_chan_def *chandef, | |
12214 | u8 count) | |
12215 | { | |
12216 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12217 | struct wiphy *wiphy = wdev->wiphy; | |
12218 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
12219 | ||
12220 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
12221 | ||
12222 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
12223 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); | |
12224 | } | |
12225 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
12226 | ||
04f39047 SW |
12227 | void |
12228 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 12229 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
12230 | enum nl80211_radar_event event, |
12231 | struct net_device *netdev, gfp_t gfp) | |
12232 | { | |
12233 | struct sk_buff *msg; | |
12234 | void *hdr; | |
12235 | ||
12236 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12237 | if (!msg) | |
12238 | return; | |
12239 | ||
12240 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
12241 | if (!hdr) { | |
12242 | nlmsg_free(msg); | |
12243 | return; | |
12244 | } | |
12245 | ||
12246 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
12247 | goto nla_put_failure; | |
12248 | ||
12249 | /* NOP and radar events don't need a netdev parameter */ | |
12250 | if (netdev) { | |
12251 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
12252 | ||
12253 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12254 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12255 | goto nla_put_failure; | |
12256 | } | |
12257 | ||
12258 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
12259 | goto nla_put_failure; | |
12260 | ||
12261 | if (nl80211_send_chandef(msg, chandef)) | |
12262 | goto nla_put_failure; | |
12263 | ||
9c90a9f6 | 12264 | genlmsg_end(msg, hdr); |
04f39047 | 12265 | |
68eb5503 | 12266 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12267 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
12268 | return; |
12269 | ||
12270 | nla_put_failure: | |
12271 | genlmsg_cancel(msg, hdr); | |
12272 | nlmsg_free(msg); | |
12273 | } | |
12274 | ||
7f6cf311 JB |
12275 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
12276 | u64 cookie, bool acked, gfp_t gfp) | |
12277 | { | |
12278 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 12279 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
12280 | struct sk_buff *msg; |
12281 | void *hdr; | |
7f6cf311 | 12282 | |
4ee3e063 BL |
12283 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
12284 | ||
58050fce | 12285 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 12286 | |
7f6cf311 JB |
12287 | if (!msg) |
12288 | return; | |
12289 | ||
12290 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
12291 | if (!hdr) { | |
12292 | nlmsg_free(msg); | |
12293 | return; | |
12294 | } | |
12295 | ||
9360ffd1 DM |
12296 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12297 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
12298 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
12299 | nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || | |
12300 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) | |
12301 | goto nla_put_failure; | |
7f6cf311 | 12302 | |
9c90a9f6 | 12303 | genlmsg_end(msg, hdr); |
7f6cf311 | 12304 | |
68eb5503 | 12305 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12306 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
12307 | return; |
12308 | ||
12309 | nla_put_failure: | |
12310 | genlmsg_cancel(msg, hdr); | |
12311 | nlmsg_free(msg); | |
12312 | } | |
12313 | EXPORT_SYMBOL(cfg80211_probe_status); | |
12314 | ||
5e760230 JB |
12315 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
12316 | const u8 *frame, size_t len, | |
37c73b5f | 12317 | int freq, int sig_dbm) |
5e760230 | 12318 | { |
f26cbf40 | 12319 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
12320 | struct sk_buff *msg; |
12321 | void *hdr; | |
37c73b5f | 12322 | struct cfg80211_beacon_registration *reg; |
5e760230 | 12323 | |
4ee3e063 BL |
12324 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
12325 | ||
37c73b5f BG |
12326 | spin_lock_bh(&rdev->beacon_registrations_lock); |
12327 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
12328 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
12329 | if (!msg) { | |
12330 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
12331 | return; | |
12332 | } | |
5e760230 | 12333 | |
37c73b5f BG |
12334 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
12335 | if (!hdr) | |
12336 | goto nla_put_failure; | |
5e760230 | 12337 | |
37c73b5f BG |
12338 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12339 | (freq && | |
12340 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
12341 | (sig_dbm && | |
12342 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
12343 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
12344 | goto nla_put_failure; | |
5e760230 | 12345 | |
37c73b5f | 12346 | genlmsg_end(msg, hdr); |
5e760230 | 12347 | |
37c73b5f BG |
12348 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
12349 | } | |
12350 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
12351 | return; |
12352 | ||
12353 | nla_put_failure: | |
37c73b5f BG |
12354 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
12355 | if (hdr) | |
12356 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
12357 | nlmsg_free(msg); |
12358 | } | |
12359 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
12360 | ||
cd8f7cb4 | 12361 | #ifdef CONFIG_PM |
8cd4d456 LC |
12362 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
12363 | struct cfg80211_wowlan_wakeup *wakeup) | |
12364 | { | |
12365 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
12366 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
12367 | int i, j; | |
12368 | ||
12369 | nl_results = nla_nest_start( | |
12370 | msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
12371 | if (!nl_results) | |
12372 | return -EMSGSIZE; | |
12373 | ||
12374 | for (i = 0; i < nd->n_matches; i++) { | |
12375 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
12376 | ||
12377 | nl_match = nla_nest_start(msg, i); | |
12378 | if (!nl_match) | |
12379 | break; | |
12380 | ||
12381 | /* The SSID attribute is optional in nl80211, but for | |
12382 | * simplicity reasons it's always present in the | |
12383 | * cfg80211 structure. If a driver can't pass the | |
12384 | * SSID, that needs to be changed. A zero length SSID | |
12385 | * is still a valid SSID (wildcard), so it cannot be | |
12386 | * used for this purpose. | |
12387 | */ | |
12388 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
12389 | match->ssid.ssid)) { | |
12390 | nla_nest_cancel(msg, nl_match); | |
12391 | goto out; | |
12392 | } | |
12393 | ||
12394 | if (match->n_channels) { | |
12395 | nl_freqs = nla_nest_start( | |
12396 | msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
12397 | if (!nl_freqs) { | |
12398 | nla_nest_cancel(msg, nl_match); | |
12399 | goto out; | |
12400 | } | |
12401 | ||
12402 | for (j = 0; j < match->n_channels; j++) { | |
12403 | if (nla_put_u32(msg, | |
12404 | NL80211_ATTR_WIPHY_FREQ, | |
12405 | match->channels[j])) { | |
12406 | nla_nest_cancel(msg, nl_freqs); | |
12407 | nla_nest_cancel(msg, nl_match); | |
12408 | goto out; | |
12409 | } | |
12410 | } | |
12411 | ||
12412 | nla_nest_end(msg, nl_freqs); | |
12413 | } | |
12414 | ||
12415 | nla_nest_end(msg, nl_match); | |
12416 | } | |
12417 | ||
12418 | out: | |
12419 | nla_nest_end(msg, nl_results); | |
12420 | return 0; | |
12421 | } | |
12422 | ||
cd8f7cb4 JB |
12423 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
12424 | struct cfg80211_wowlan_wakeup *wakeup, | |
12425 | gfp_t gfp) | |
12426 | { | |
f26cbf40 | 12427 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
12428 | struct sk_buff *msg; |
12429 | void *hdr; | |
9c90a9f6 | 12430 | int size = 200; |
cd8f7cb4 JB |
12431 | |
12432 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
12433 | ||
12434 | if (wakeup) | |
12435 | size += wakeup->packet_present_len; | |
12436 | ||
12437 | msg = nlmsg_new(size, gfp); | |
12438 | if (!msg) | |
12439 | return; | |
12440 | ||
12441 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
12442 | if (!hdr) | |
12443 | goto free_msg; | |
12444 | ||
12445 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12446 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12447 | goto free_msg; | |
12448 | ||
12449 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
12450 | wdev->netdev->ifindex)) | |
12451 | goto free_msg; | |
12452 | ||
12453 | if (wakeup) { | |
12454 | struct nlattr *reasons; | |
12455 | ||
12456 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
12457 | if (!reasons) |
12458 | goto free_msg; | |
cd8f7cb4 JB |
12459 | |
12460 | if (wakeup->disconnect && | |
12461 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
12462 | goto free_msg; | |
12463 | if (wakeup->magic_pkt && | |
12464 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
12465 | goto free_msg; | |
12466 | if (wakeup->gtk_rekey_failure && | |
12467 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
12468 | goto free_msg; | |
12469 | if (wakeup->eap_identity_req && | |
12470 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
12471 | goto free_msg; | |
12472 | if (wakeup->four_way_handshake && | |
12473 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
12474 | goto free_msg; | |
12475 | if (wakeup->rfkill_release && | |
12476 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
12477 | goto free_msg; | |
12478 | ||
12479 | if (wakeup->pattern_idx >= 0 && | |
12480 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
12481 | wakeup->pattern_idx)) | |
12482 | goto free_msg; | |
12483 | ||
ae917c9f JB |
12484 | if (wakeup->tcp_match && |
12485 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
12486 | goto free_msg; | |
2a0e047e | 12487 | |
ae917c9f JB |
12488 | if (wakeup->tcp_connlost && |
12489 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
12490 | goto free_msg; | |
2a0e047e | 12491 | |
ae917c9f JB |
12492 | if (wakeup->tcp_nomoretokens && |
12493 | nla_put_flag(msg, | |
12494 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
12495 | goto free_msg; | |
2a0e047e | 12496 | |
cd8f7cb4 JB |
12497 | if (wakeup->packet) { |
12498 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
12499 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
12500 | ||
12501 | if (!wakeup->packet_80211) { | |
12502 | pkt_attr = | |
12503 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
12504 | len_attr = | |
12505 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
12506 | } | |
12507 | ||
12508 | if (wakeup->packet_len && | |
12509 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
12510 | goto free_msg; | |
12511 | ||
12512 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
12513 | wakeup->packet)) | |
12514 | goto free_msg; | |
12515 | } | |
12516 | ||
8cd4d456 LC |
12517 | if (wakeup->net_detect && |
12518 | cfg80211_net_detect_results(msg, wakeup)) | |
12519 | goto free_msg; | |
12520 | ||
cd8f7cb4 JB |
12521 | nla_nest_end(msg, reasons); |
12522 | } | |
12523 | ||
9c90a9f6 | 12524 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 12525 | |
68eb5503 | 12526 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12527 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
12528 | return; |
12529 | ||
12530 | free_msg: | |
12531 | nlmsg_free(msg); | |
12532 | } | |
12533 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
12534 | #endif | |
12535 | ||
3475b094 JM |
12536 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
12537 | enum nl80211_tdls_operation oper, | |
12538 | u16 reason_code, gfp_t gfp) | |
12539 | { | |
12540 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 12541 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
12542 | struct sk_buff *msg; |
12543 | void *hdr; | |
3475b094 JM |
12544 | |
12545 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
12546 | reason_code); | |
12547 | ||
12548 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12549 | if (!msg) | |
12550 | return; | |
12551 | ||
12552 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
12553 | if (!hdr) { | |
12554 | nlmsg_free(msg); | |
12555 | return; | |
12556 | } | |
12557 | ||
12558 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12559 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
12560 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
12561 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
12562 | (reason_code > 0 && | |
12563 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
12564 | goto nla_put_failure; | |
12565 | ||
9c90a9f6 | 12566 | genlmsg_end(msg, hdr); |
3475b094 | 12567 | |
68eb5503 | 12568 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12569 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
12570 | return; |
12571 | ||
12572 | nla_put_failure: | |
12573 | genlmsg_cancel(msg, hdr); | |
12574 | nlmsg_free(msg); | |
12575 | } | |
12576 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
12577 | ||
026331c4 JM |
12578 | static int nl80211_netlink_notify(struct notifier_block * nb, |
12579 | unsigned long state, | |
12580 | void *_notify) | |
12581 | { | |
12582 | struct netlink_notify *notify = _notify; | |
12583 | struct cfg80211_registered_device *rdev; | |
12584 | struct wireless_dev *wdev; | |
37c73b5f | 12585 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 JM |
12586 | |
12587 | if (state != NETLINK_URELEASE) | |
12588 | return NOTIFY_DONE; | |
12589 | ||
12590 | rcu_read_lock(); | |
12591 | ||
5e760230 | 12592 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
78f22b6a JB |
12593 | bool schedule_destroy_work = false; |
12594 | ||
12595 | list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) { | |
15e47304 | 12596 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 12597 | |
78f22b6a JB |
12598 | if (wdev->owner_nlportid == notify->portid) |
12599 | schedule_destroy_work = true; | |
12600 | } | |
12601 | ||
37c73b5f BG |
12602 | spin_lock_bh(&rdev->beacon_registrations_lock); |
12603 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
12604 | list) { | |
12605 | if (reg->nlportid == notify->portid) { | |
12606 | list_del(®->list); | |
12607 | kfree(reg); | |
12608 | break; | |
12609 | } | |
12610 | } | |
12611 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
78f22b6a JB |
12612 | |
12613 | if (schedule_destroy_work) { | |
12614 | struct cfg80211_iface_destroy *destroy; | |
12615 | ||
12616 | destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC); | |
12617 | if (destroy) { | |
12618 | destroy->nlportid = notify->portid; | |
12619 | spin_lock(&rdev->destroy_list_lock); | |
12620 | list_add(&destroy->list, &rdev->destroy_list); | |
12621 | spin_unlock(&rdev->destroy_list_lock); | |
12622 | schedule_work(&rdev->destroy_work); | |
12623 | } | |
12624 | } | |
5e760230 | 12625 | } |
026331c4 JM |
12626 | |
12627 | rcu_read_unlock(); | |
12628 | ||
6784c7db | 12629 | return NOTIFY_OK; |
026331c4 JM |
12630 | } |
12631 | ||
12632 | static struct notifier_block nl80211_netlink_notifier = { | |
12633 | .notifier_call = nl80211_netlink_notify, | |
12634 | }; | |
12635 | ||
355199e0 JM |
12636 | void cfg80211_ft_event(struct net_device *netdev, |
12637 | struct cfg80211_ft_event_params *ft_event) | |
12638 | { | |
12639 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 12640 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
12641 | struct sk_buff *msg; |
12642 | void *hdr; | |
355199e0 JM |
12643 | |
12644 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
12645 | ||
12646 | if (!ft_event->target_ap) | |
12647 | return; | |
12648 | ||
12649 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12650 | if (!msg) | |
12651 | return; | |
12652 | ||
12653 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
12654 | if (!hdr) |
12655 | goto out; | |
355199e0 | 12656 | |
ae917c9f JB |
12657 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12658 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12659 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
12660 | goto out; | |
355199e0 | 12661 | |
ae917c9f JB |
12662 | if (ft_event->ies && |
12663 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
12664 | goto out; | |
12665 | if (ft_event->ric_ies && | |
12666 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
12667 | ft_event->ric_ies)) | |
12668 | goto out; | |
355199e0 | 12669 | |
9c90a9f6 | 12670 | genlmsg_end(msg, hdr); |
355199e0 | 12671 | |
68eb5503 | 12672 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12673 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
12674 | return; |
12675 | out: | |
12676 | nlmsg_free(msg); | |
355199e0 JM |
12677 | } |
12678 | EXPORT_SYMBOL(cfg80211_ft_event); | |
12679 | ||
5de17984 AS |
12680 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
12681 | { | |
12682 | struct cfg80211_registered_device *rdev; | |
12683 | struct sk_buff *msg; | |
12684 | void *hdr; | |
12685 | u32 nlportid; | |
12686 | ||
f26cbf40 | 12687 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
12688 | if (!rdev->crit_proto_nlportid) |
12689 | return; | |
12690 | ||
12691 | nlportid = rdev->crit_proto_nlportid; | |
12692 | rdev->crit_proto_nlportid = 0; | |
12693 | ||
12694 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12695 | if (!msg) | |
12696 | return; | |
12697 | ||
12698 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
12699 | if (!hdr) | |
12700 | goto nla_put_failure; | |
12701 | ||
12702 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12703 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12704 | goto nla_put_failure; | |
12705 | ||
12706 | genlmsg_end(msg, hdr); | |
12707 | ||
12708 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
12709 | return; | |
12710 | ||
12711 | nla_put_failure: | |
12712 | if (hdr) | |
12713 | genlmsg_cancel(msg, hdr); | |
12714 | nlmsg_free(msg); | |
12715 | ||
12716 | } | |
12717 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
12718 | ||
348baf0e JB |
12719 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
12720 | { | |
12721 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 12722 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
12723 | struct sk_buff *msg; |
12724 | void *hdr; | |
12725 | ||
12726 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12727 | if (!msg) | |
12728 | return; | |
12729 | ||
12730 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
12731 | if (!hdr) | |
12732 | goto out; | |
12733 | ||
12734 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12735 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
12736 | nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) | |
12737 | goto out; | |
12738 | ||
12739 | genlmsg_end(msg, hdr); | |
12740 | ||
12741 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
12742 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
12743 | return; | |
12744 | out: | |
12745 | nlmsg_free(msg); | |
12746 | } | |
12747 | ||
55682965 JB |
12748 | /* initialisation/exit functions */ |
12749 | ||
12750 | int nl80211_init(void) | |
12751 | { | |
0d63cbb5 | 12752 | int err; |
55682965 | 12753 | |
2a94fe48 JB |
12754 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
12755 | nl80211_mcgrps); | |
55682965 JB |
12756 | if (err) |
12757 | return err; | |
12758 | ||
026331c4 JM |
12759 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
12760 | if (err) | |
12761 | goto err_out; | |
12762 | ||
55682965 JB |
12763 | return 0; |
12764 | err_out: | |
12765 | genl_unregister_family(&nl80211_fam); | |
12766 | return err; | |
12767 | } | |
12768 | ||
12769 | void nl80211_exit(void) | |
12770 | { | |
026331c4 | 12771 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
12772 | genl_unregister_family(&nl80211_fam); |
12773 | } |