Commit | Line | Data |
---|---|---|
55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
2740f0cf | 5 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
0c9ca11b | 6 | * Copyright 2015-2016 Intel Deutschland GmbH |
55682965 JB |
7 | */ |
8 | ||
9 | #include <linux/if.h> | |
10 | #include <linux/module.h> | |
11 | #include <linux/err.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
55682965 JB |
13 | #include <linux/list.h> |
14 | #include <linux/if_ether.h> | |
15 | #include <linux/ieee80211.h> | |
16 | #include <linux/nl80211.h> | |
17 | #include <linux/rtnetlink.h> | |
18 | #include <linux/netlink.h> | |
2a519311 | 19 | #include <linux/etherdevice.h> |
463d0183 | 20 | #include <net/net_namespace.h> |
55682965 JB |
21 | #include <net/genetlink.h> |
22 | #include <net/cfg80211.h> | |
463d0183 | 23 | #include <net/sock.h> |
2a0e047e | 24 | #include <net/inet_connection_sock.h> |
55682965 JB |
25 | #include "core.h" |
26 | #include "nl80211.h" | |
b2e1b302 | 27 | #include "reg.h" |
e35e4d28 | 28 | #include "rdev-ops.h" |
55682965 | 29 | |
5fb628e9 JM |
30 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
31 | struct genl_info *info, | |
32 | struct cfg80211_crypto_settings *settings, | |
33 | int cipher_limit); | |
34 | ||
f84f771d | 35 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 | 36 | struct genl_info *info); |
f84f771d | 37 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
38 | struct genl_info *info); |
39 | ||
55682965 JB |
40 | /* the netlink family */ |
41 | static struct genl_family nl80211_fam = { | |
fb4e1568 MH |
42 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ |
43 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ | |
44 | .hdrsize = 0, /* no private header */ | |
45 | .version = 1, /* no particular meaning now */ | |
55682965 | 46 | .maxattr = NL80211_ATTR_MAX, |
463d0183 | 47 | .netnsok = true, |
4c476991 JB |
48 | .pre_doit = nl80211_pre_doit, |
49 | .post_doit = nl80211_post_doit, | |
55682965 JB |
50 | }; |
51 | ||
2a94fe48 JB |
52 | /* multicast groups */ |
53 | enum nl80211_multicast_groups { | |
54 | NL80211_MCGRP_CONFIG, | |
55 | NL80211_MCGRP_SCAN, | |
56 | NL80211_MCGRP_REGULATORY, | |
57 | NL80211_MCGRP_MLME, | |
567ffc35 | 58 | NL80211_MCGRP_VENDOR, |
50bcd31d | 59 | NL80211_MCGRP_NAN, |
2a94fe48 JB |
60 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ |
61 | }; | |
62 | ||
63 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
71b836ec JB |
64 | [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG }, |
65 | [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN }, | |
66 | [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG }, | |
67 | [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME }, | |
68 | [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR }, | |
50bcd31d | 69 | [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN }, |
2a94fe48 | 70 | #ifdef CONFIG_NL80211_TESTMODE |
71b836ec | 71 | [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE } |
2a94fe48 JB |
72 | #endif |
73 | }; | |
74 | ||
89a54e48 JB |
75 | /* returns ERR_PTR values */ |
76 | static struct wireless_dev * | |
77 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 78 | { |
89a54e48 JB |
79 | struct cfg80211_registered_device *rdev; |
80 | struct wireless_dev *result = NULL; | |
81 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
82 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
83 | u64 wdev_id; | |
84 | int wiphy_idx = -1; | |
85 | int ifidx = -1; | |
55682965 | 86 | |
5fe231e8 | 87 | ASSERT_RTNL(); |
55682965 | 88 | |
89a54e48 JB |
89 | if (!have_ifidx && !have_wdev_id) |
90 | return ERR_PTR(-EINVAL); | |
55682965 | 91 | |
89a54e48 JB |
92 | if (have_ifidx) |
93 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
94 | if (have_wdev_id) { | |
95 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
96 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
97 | } |
98 | ||
89a54e48 JB |
99 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
100 | struct wireless_dev *wdev; | |
101 | ||
102 | if (wiphy_net(&rdev->wiphy) != netns) | |
103 | continue; | |
104 | ||
105 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
106 | continue; | |
107 | ||
53873f13 | 108 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
89a54e48 JB |
109 | if (have_ifidx && wdev->netdev && |
110 | wdev->netdev->ifindex == ifidx) { | |
111 | result = wdev; | |
112 | break; | |
113 | } | |
114 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
115 | result = wdev; | |
116 | break; | |
117 | } | |
118 | } | |
89a54e48 JB |
119 | |
120 | if (result) | |
121 | break; | |
122 | } | |
123 | ||
124 | if (result) | |
125 | return result; | |
126 | return ERR_PTR(-ENODEV); | |
55682965 JB |
127 | } |
128 | ||
a9455408 | 129 | static struct cfg80211_registered_device * |
878d9ec7 | 130 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 131 | { |
7fee4778 JB |
132 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
133 | struct net_device *netdev; | |
a9455408 | 134 | |
5fe231e8 | 135 | ASSERT_RTNL(); |
a9455408 | 136 | |
878d9ec7 | 137 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
138 | !attrs[NL80211_ATTR_IFINDEX] && |
139 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
140 | return ERR_PTR(-EINVAL); |
141 | ||
878d9ec7 | 142 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 143 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 144 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 145 | |
89a54e48 JB |
146 | if (attrs[NL80211_ATTR_WDEV]) { |
147 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
148 | struct wireless_dev *wdev; | |
149 | bool found = false; | |
150 | ||
151 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
152 | if (tmp) { | |
153 | /* make sure wdev exists */ | |
53873f13 | 154 | list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) { |
89a54e48 JB |
155 | if (wdev->identifier != (u32)wdev_id) |
156 | continue; | |
157 | found = true; | |
158 | break; | |
159 | } | |
89a54e48 JB |
160 | |
161 | if (!found) | |
162 | tmp = NULL; | |
163 | ||
164 | if (rdev && tmp != rdev) | |
165 | return ERR_PTR(-EINVAL); | |
166 | rdev = tmp; | |
167 | } | |
168 | } | |
169 | ||
878d9ec7 JB |
170 | if (attrs[NL80211_ATTR_IFINDEX]) { |
171 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
7a087e74 | 172 | |
7f2b8562 | 173 | netdev = __dev_get_by_index(netns, ifindex); |
7fee4778 JB |
174 | if (netdev) { |
175 | if (netdev->ieee80211_ptr) | |
f26cbf40 ZG |
176 | tmp = wiphy_to_rdev( |
177 | netdev->ieee80211_ptr->wiphy); | |
7fee4778 JB |
178 | else |
179 | tmp = NULL; | |
180 | ||
7fee4778 JB |
181 | /* not wireless device -- return error */ |
182 | if (!tmp) | |
183 | return ERR_PTR(-EINVAL); | |
184 | ||
185 | /* mismatch -- return error */ | |
186 | if (rdev && tmp != rdev) | |
187 | return ERR_PTR(-EINVAL); | |
188 | ||
189 | rdev = tmp; | |
a9455408 | 190 | } |
a9455408 | 191 | } |
a9455408 | 192 | |
4f7eff10 JB |
193 | if (!rdev) |
194 | return ERR_PTR(-ENODEV); | |
a9455408 | 195 | |
4f7eff10 JB |
196 | if (netns != wiphy_net(&rdev->wiphy)) |
197 | return ERR_PTR(-ENODEV); | |
198 | ||
199 | return rdev; | |
a9455408 JB |
200 | } |
201 | ||
202 | /* | |
203 | * This function returns a pointer to the driver | |
204 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
205 | * |
206 | * The result of this can be a PTR_ERR and hence must | |
207 | * be checked with IS_ERR() for errors. | |
208 | */ | |
209 | static struct cfg80211_registered_device * | |
4f7eff10 | 210 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 211 | { |
5fe231e8 | 212 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
213 | } |
214 | ||
55682965 | 215 | /* policy for the attributes */ |
8cd4d456 | 216 | static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { |
55682965 JB |
217 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
218 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 219 | .len = 20-1 }, |
31888487 | 220 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 221 | |
72bdcf34 | 222 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 223 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
224 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
225 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
226 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
227 | ||
b9a5f8ca JM |
228 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
229 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
230 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
231 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 232 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
3057dbfd | 233 | [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG }, |
55682965 JB |
234 | |
235 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
236 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
237 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 238 | |
e007b857 EP |
239 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
240 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 241 | |
b9454e83 | 242 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
243 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
244 | .len = WLAN_MAX_KEY_LEN }, | |
245 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
246 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
247 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 248 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 249 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
250 | |
251 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
252 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
253 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
254 | .len = IEEE80211_MAX_DATA_LEN }, | |
255 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
256 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
257 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
258 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
259 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
260 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
261 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 262 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 263 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 264 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 265 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 266 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 267 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 268 | |
b2e1b302 LR |
269 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
270 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
271 | ||
9f1ba906 JM |
272 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
273 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
274 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
275 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
276 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 277 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 278 | |
24bdd9f4 | 279 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 280 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 281 | |
6c739419 | 282 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
283 | |
284 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
285 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
286 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
287 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
288 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
289 | |
290 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
291 | .len = IEEE80211_MAX_SSID_LEN }, | |
292 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
293 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 294 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 295 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 296 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
297 | [NL80211_ATTR_STA_FLAGS2] = { |
298 | .len = sizeof(struct nl80211_sta_flag_update), | |
299 | }, | |
3f77316c | 300 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
301 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
302 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
303 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
304 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
305 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 306 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 307 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
67fbb16b SO |
308 | [NL80211_ATTR_PMKID] = { .type = NLA_BINARY, |
309 | .len = WLAN_PMKID_LEN }, | |
9588bbd5 JM |
310 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
311 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 312 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
313 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
314 | .len = IEEE80211_MAX_DATA_LEN }, | |
315 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 316 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 317 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 318 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 319 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
320 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
321 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 322 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
323 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
324 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 325 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 326 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 327 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 328 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 329 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 330 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 331 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 332 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 333 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
334 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
335 | .len = IEEE80211_MAX_DATA_LEN }, | |
336 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
337 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 338 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 339 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 340 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
341 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
342 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
343 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
344 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
345 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
31fa97c5 | 346 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 347 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
348 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
349 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 350 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
351 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
352 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
353 | .len = NL80211_HT_CAPABILITY_LEN | |
354 | }, | |
1d9d9213 | 355 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 356 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 357 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 358 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 359 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
e39e5b5e | 360 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 361 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 362 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
363 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
364 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
365 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
366 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
367 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
368 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 369 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
370 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
371 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
372 | .len = NL80211_VHT_CAPABILITY_LEN, | |
373 | }, | |
355199e0 JM |
374 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
375 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
376 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 377 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
378 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
379 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
380 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
9a774c78 AO |
381 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY }, |
382 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY }, | |
c01fc9ad SD |
383 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
384 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 385 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 386 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
387 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
388 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
389 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
390 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
391 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
1df4a510 JM |
392 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
393 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, | |
df942e7b | 394 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
18e5ca65 | 395 | [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG }, |
34d22ce2 | 396 | [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, |
bab5ab7d | 397 | [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, |
960d01ac JB |
398 | [NL80211_ATTR_TSID] = { .type = NLA_U8 }, |
399 | [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 }, | |
400 | [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 }, | |
18998c38 | 401 | [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 }, |
ad2b26ab | 402 | [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN }, |
1bdd716c | 403 | [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG }, |
4b681c82 | 404 | [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 }, |
9c748934 | 405 | [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 }, |
05050753 | 406 | [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG }, |
34d50519 | 407 | [NL80211_ATTR_PBSS] = { .type = NLA_FLAG }, |
38de03d2 | 408 | [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED }, |
17b94247 | 409 | [NL80211_ATTR_STA_SUPPORT_P2P_PS] = { .type = NLA_U8 }, |
c6e6a0c8 AE |
410 | [NL80211_ATTR_MU_MIMO_GROUP_DATA] = { |
411 | .len = VHT_MUMIMO_GROUPS_DATA_LEN | |
412 | }, | |
413 | [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN }, | |
cb3b7d87 AB |
414 | [NL80211_ATTR_NAN_MASTER_PREF] = { .type = NLA_U8 }, |
415 | [NL80211_ATTR_NAN_DUAL] = { .type = NLA_U8 }, | |
a442b761 | 416 | [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED }, |
55682965 JB |
417 | }; |
418 | ||
e31b8213 | 419 | /* policy for the key attributes */ |
b54452b0 | 420 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 421 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
422 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
423 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 424 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
425 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
426 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 427 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
428 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
429 | }; | |
430 | ||
431 | /* policy for the key default flags */ | |
432 | static const struct nla_policy | |
433 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
434 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
435 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
436 | }; |
437 | ||
ff1b6e69 JB |
438 | /* policy for WoWLAN attributes */ |
439 | static const struct nla_policy | |
440 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
441 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
442 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
443 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
444 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
445 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
446 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
447 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
448 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e | 449 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
8cd4d456 | 450 | [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED }, |
2a0e047e JB |
451 | }; |
452 | ||
453 | static const struct nla_policy | |
454 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
455 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
456 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
457 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
458 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
459 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
460 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
461 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
462 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
463 | }, | |
464 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
465 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
466 | }, | |
467 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
468 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
469 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 JB |
470 | }; |
471 | ||
be29b99a AK |
472 | /* policy for coalesce rule attributes */ |
473 | static const struct nla_policy | |
474 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
475 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
476 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
477 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
478 | }; | |
479 | ||
e5497d76 JB |
480 | /* policy for GTK rekey offload attributes */ |
481 | static const struct nla_policy | |
482 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
483 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
484 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
485 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
486 | }; | |
487 | ||
a1f1c21c LC |
488 | static const struct nla_policy |
489 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 490 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 491 | .len = IEEE80211_MAX_SSID_LEN }, |
88e920b4 | 492 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
493 | }; |
494 | ||
3b06d277 AS |
495 | static const struct nla_policy |
496 | nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = { | |
497 | [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 }, | |
498 | [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 }, | |
499 | }; | |
500 | ||
38de03d2 AS |
501 | static const struct nla_policy |
502 | nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = { | |
503 | [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG }, | |
504 | [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 }, | |
505 | [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = { | |
506 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
507 | }, | |
508 | }; | |
509 | ||
a442b761 AB |
510 | /* policy for NAN function attributes */ |
511 | static const struct nla_policy | |
512 | nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = { | |
513 | [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 }, | |
514 | [NL80211_NAN_FUNC_SERVICE_ID] = { .type = NLA_BINARY, | |
515 | .len = NL80211_NAN_FUNC_SERVICE_ID_LEN }, | |
516 | [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 }, | |
517 | [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG }, | |
518 | [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG }, | |
519 | [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 }, | |
520 | [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 }, | |
521 | [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { .len = ETH_ALEN }, | |
522 | [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG }, | |
523 | [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 }, | |
524 | [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY, | |
525 | .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN }, | |
526 | [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED }, | |
527 | [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
528 | [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
529 | [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 }, | |
530 | [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 }, | |
531 | }; | |
532 | ||
533 | /* policy for Service Response Filter attributes */ | |
534 | static const struct nla_policy | |
535 | nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = { | |
536 | [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG }, | |
537 | [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY, | |
538 | .len = NL80211_NAN_FUNC_SRF_MAX_LEN }, | |
539 | [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 }, | |
540 | [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED }, | |
541 | }; | |
542 | ||
97990a06 JB |
543 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
544 | struct netlink_callback *cb, | |
545 | struct cfg80211_registered_device **rdev, | |
546 | struct wireless_dev **wdev) | |
a043897a | 547 | { |
97990a06 | 548 | int err; |
a043897a | 549 | |
97990a06 | 550 | rtnl_lock(); |
a043897a | 551 | |
97990a06 JB |
552 | if (!cb->args[0]) { |
553 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
554 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
555 | nl80211_policy); | |
556 | if (err) | |
557 | goto out_unlock; | |
67748893 | 558 | |
97990a06 JB |
559 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), |
560 | nl80211_fam.attrbuf); | |
561 | if (IS_ERR(*wdev)) { | |
562 | err = PTR_ERR(*wdev); | |
563 | goto out_unlock; | |
564 | } | |
f26cbf40 | 565 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
c319d50b JB |
566 | /* 0 is the first index - add 1 to parse only once */ |
567 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
568 | cb->args[1] = (*wdev)->identifier; |
569 | } else { | |
c319d50b JB |
570 | /* subtract the 1 again here */ |
571 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 572 | struct wireless_dev *tmp; |
67748893 | 573 | |
97990a06 JB |
574 | if (!wiphy) { |
575 | err = -ENODEV; | |
576 | goto out_unlock; | |
577 | } | |
f26cbf40 | 578 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 579 | *wdev = NULL; |
67748893 | 580 | |
53873f13 | 581 | list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) { |
97990a06 JB |
582 | if (tmp->identifier == cb->args[1]) { |
583 | *wdev = tmp; | |
584 | break; | |
585 | } | |
586 | } | |
67748893 | 587 | |
97990a06 JB |
588 | if (!*wdev) { |
589 | err = -ENODEV; | |
590 | goto out_unlock; | |
591 | } | |
67748893 JB |
592 | } |
593 | ||
67748893 | 594 | return 0; |
97990a06 | 595 | out_unlock: |
67748893 JB |
596 | rtnl_unlock(); |
597 | return err; | |
598 | } | |
599 | ||
97990a06 | 600 | static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) |
67748893 | 601 | { |
67748893 JB |
602 | rtnl_unlock(); |
603 | } | |
604 | ||
f4a11bb0 JB |
605 | /* IE validation */ |
606 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
607 | { | |
608 | const u8 *pos; | |
609 | int len; | |
610 | ||
611 | if (!attr) | |
612 | return true; | |
613 | ||
614 | pos = nla_data(attr); | |
615 | len = nla_len(attr); | |
616 | ||
617 | while (len) { | |
618 | u8 elemlen; | |
619 | ||
620 | if (len < 2) | |
621 | return false; | |
622 | len -= 2; | |
623 | ||
624 | elemlen = pos[1]; | |
625 | if (elemlen > len) | |
626 | return false; | |
627 | ||
628 | len -= elemlen; | |
629 | pos += 2 + elemlen; | |
630 | } | |
631 | ||
632 | return true; | |
633 | } | |
634 | ||
55682965 | 635 | /* message building helper */ |
15e47304 | 636 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
637 | int flags, u8 cmd) |
638 | { | |
639 | /* since there is no private header just add the generic one */ | |
15e47304 | 640 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
641 | } |
642 | ||
5dab3b8a | 643 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
644 | struct ieee80211_channel *chan, |
645 | bool large) | |
5dab3b8a | 646 | { |
ea077c1c RL |
647 | /* Some channels must be completely excluded from the |
648 | * list to protect old user-space tools from breaking | |
649 | */ | |
650 | if (!large && chan->flags & | |
651 | (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) | |
652 | return 0; | |
653 | ||
9360ffd1 DM |
654 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
655 | chan->center_freq)) | |
656 | goto nla_put_failure; | |
5dab3b8a | 657 | |
9360ffd1 DM |
658 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
659 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
660 | goto nla_put_failure; | |
8fe02e16 LR |
661 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
662 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
663 | goto nla_put_failure; | |
664 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
665 | goto nla_put_failure; | |
666 | } | |
cdc89b97 JB |
667 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
668 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
669 | goto nla_put_failure; | |
670 | if (large) { | |
671 | u32 time; | |
672 | ||
673 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
674 | ||
675 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
676 | chan->dfs_state)) | |
677 | goto nla_put_failure; | |
678 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
679 | time)) | |
680 | goto nla_put_failure; | |
089027e5 JD |
681 | if (nla_put_u32(msg, |
682 | NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, | |
683 | chan->dfs_cac_ms)) | |
684 | goto nla_put_failure; | |
cdc89b97 JB |
685 | } |
686 | } | |
5dab3b8a | 687 | |
fe1abafd JB |
688 | if (large) { |
689 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
690 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
691 | goto nla_put_failure; | |
692 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
693 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
694 | goto nla_put_failure; | |
695 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
696 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
697 | goto nla_put_failure; | |
698 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
699 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
700 | goto nla_put_failure; | |
570dbde1 DS |
701 | if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && |
702 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) | |
703 | goto nla_put_failure; | |
06f207fc AN |
704 | if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) && |
705 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT)) | |
570dbde1 | 706 | goto nla_put_failure; |
ea077c1c RL |
707 | if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && |
708 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) | |
709 | goto nla_put_failure; | |
710 | if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && | |
711 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) | |
712 | goto nla_put_failure; | |
fe1abafd JB |
713 | } |
714 | ||
9360ffd1 DM |
715 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
716 | DBM_TO_MBM(chan->max_power))) | |
717 | goto nla_put_failure; | |
5dab3b8a LR |
718 | |
719 | return 0; | |
720 | ||
721 | nla_put_failure: | |
722 | return -ENOBUFS; | |
723 | } | |
724 | ||
55682965 JB |
725 | /* netlink command implementations */ |
726 | ||
b9454e83 JB |
727 | struct key_parse { |
728 | struct key_params p; | |
729 | int idx; | |
e31b8213 | 730 | int type; |
b9454e83 | 731 | bool def, defmgmt; |
dbd2fd65 | 732 | bool def_uni, def_multi; |
b9454e83 JB |
733 | }; |
734 | ||
735 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
736 | { | |
737 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
738 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
739 | nl80211_key_policy); | |
740 | if (err) | |
741 | return err; | |
742 | ||
743 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
744 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
745 | ||
dbd2fd65 JB |
746 | if (k->def) { |
747 | k->def_uni = true; | |
748 | k->def_multi = true; | |
749 | } | |
750 | if (k->defmgmt) | |
751 | k->def_multi = true; | |
752 | ||
b9454e83 JB |
753 | if (tb[NL80211_KEY_IDX]) |
754 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
755 | ||
756 | if (tb[NL80211_KEY_DATA]) { | |
757 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
758 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
759 | } | |
760 | ||
761 | if (tb[NL80211_KEY_SEQ]) { | |
762 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
763 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
764 | } | |
765 | ||
766 | if (tb[NL80211_KEY_CIPHER]) | |
767 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
768 | ||
e31b8213 JB |
769 | if (tb[NL80211_KEY_TYPE]) { |
770 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
771 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
772 | return -EINVAL; | |
773 | } | |
774 | ||
dbd2fd65 JB |
775 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
776 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
7a087e74 | 777 | |
2da8f419 JB |
778 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
779 | tb[NL80211_KEY_DEFAULT_TYPES], | |
780 | nl80211_key_default_policy); | |
dbd2fd65 JB |
781 | if (err) |
782 | return err; | |
783 | ||
784 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
785 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
786 | } | |
787 | ||
b9454e83 JB |
788 | return 0; |
789 | } | |
790 | ||
791 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
792 | { | |
793 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
794 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
795 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
796 | } | |
797 | ||
798 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
799 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
800 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
801 | } | |
802 | ||
803 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
804 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
805 | ||
806 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
807 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
808 | ||
809 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
810 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
811 | ||
dbd2fd65 JB |
812 | if (k->def) { |
813 | k->def_uni = true; | |
814 | k->def_multi = true; | |
815 | } | |
816 | if (k->defmgmt) | |
817 | k->def_multi = true; | |
818 | ||
e31b8213 JB |
819 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
820 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
821 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
822 | return -EINVAL; | |
823 | } | |
824 | ||
dbd2fd65 JB |
825 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
826 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
827 | int err = nla_parse_nested( | |
828 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
829 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
830 | nl80211_key_default_policy); | |
831 | if (err) | |
832 | return err; | |
833 | ||
834 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
835 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
836 | } | |
837 | ||
b9454e83 JB |
838 | return 0; |
839 | } | |
840 | ||
841 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
842 | { | |
843 | int err; | |
844 | ||
845 | memset(k, 0, sizeof(*k)); | |
846 | k->idx = -1; | |
e31b8213 | 847 | k->type = -1; |
b9454e83 JB |
848 | |
849 | if (info->attrs[NL80211_ATTR_KEY]) | |
850 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
851 | else | |
852 | err = nl80211_parse_key_old(info, k); | |
853 | ||
854 | if (err) | |
855 | return err; | |
856 | ||
857 | if (k->def && k->defmgmt) | |
858 | return -EINVAL; | |
859 | ||
dbd2fd65 JB |
860 | if (k->defmgmt) { |
861 | if (k->def_uni || !k->def_multi) | |
862 | return -EINVAL; | |
863 | } | |
864 | ||
b9454e83 JB |
865 | if (k->idx != -1) { |
866 | if (k->defmgmt) { | |
867 | if (k->idx < 4 || k->idx > 5) | |
868 | return -EINVAL; | |
869 | } else if (k->def) { | |
870 | if (k->idx < 0 || k->idx > 3) | |
871 | return -EINVAL; | |
872 | } else { | |
873 | if (k->idx < 0 || k->idx > 5) | |
874 | return -EINVAL; | |
875 | } | |
876 | } | |
877 | ||
878 | return 0; | |
879 | } | |
880 | ||
fffd0934 JB |
881 | static struct cfg80211_cached_keys * |
882 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 883 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
884 | { |
885 | struct key_parse parse; | |
886 | struct nlattr *key; | |
887 | struct cfg80211_cached_keys *result; | |
888 | int rem, err, def = 0; | |
f1c1f17a JB |
889 | bool have_key = false; |
890 | ||
891 | nla_for_each_nested(key, keys, rem) { | |
892 | have_key = true; | |
893 | break; | |
894 | } | |
895 | ||
896 | if (!have_key) | |
897 | return NULL; | |
fffd0934 JB |
898 | |
899 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
900 | if (!result) | |
901 | return ERR_PTR(-ENOMEM); | |
902 | ||
903 | result->def = -1; | |
fffd0934 JB |
904 | |
905 | nla_for_each_nested(key, keys, rem) { | |
906 | memset(&parse, 0, sizeof(parse)); | |
907 | parse.idx = -1; | |
908 | ||
909 | err = nl80211_parse_key_new(key, &parse); | |
910 | if (err) | |
911 | goto error; | |
912 | err = -EINVAL; | |
913 | if (!parse.p.key) | |
914 | goto error; | |
42ee231c | 915 | if (parse.idx < 0 || parse.idx > 3) |
fffd0934 JB |
916 | goto error; |
917 | if (parse.def) { | |
918 | if (def) | |
919 | goto error; | |
920 | def = 1; | |
921 | result->def = parse.idx; | |
dbd2fd65 JB |
922 | if (!parse.def_uni || !parse.def_multi) |
923 | goto error; | |
fffd0934 JB |
924 | } else if (parse.defmgmt) |
925 | goto error; | |
926 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 927 | parse.idx, false, NULL); |
fffd0934 JB |
928 | if (err) |
929 | goto error; | |
386b1f27 JB |
930 | if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 && |
931 | parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) { | |
932 | err = -EINVAL; | |
933 | goto error; | |
934 | } | |
fffd0934 JB |
935 | result->params[parse.idx].cipher = parse.p.cipher; |
936 | result->params[parse.idx].key_len = parse.p.key_len; | |
937 | result->params[parse.idx].key = result->data[parse.idx]; | |
938 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee | 939 | |
386b1f27 JB |
940 | /* must be WEP key if we got here */ |
941 | if (no_ht) | |
942 | *no_ht = true; | |
fffd0934 JB |
943 | } |
944 | ||
f1c1f17a JB |
945 | if (result->def < 0) { |
946 | err = -EINVAL; | |
947 | goto error; | |
948 | } | |
949 | ||
fffd0934 JB |
950 | return result; |
951 | error: | |
952 | kfree(result); | |
953 | return ERR_PTR(err); | |
954 | } | |
955 | ||
956 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
957 | { | |
958 | ASSERT_WDEV_LOCK(wdev); | |
959 | ||
fffd0934 JB |
960 | switch (wdev->iftype) { |
961 | case NL80211_IFTYPE_AP: | |
962 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 963 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 964 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
965 | break; |
966 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 967 | case NL80211_IFTYPE_STATION: |
074ac8df | 968 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 969 | if (!wdev->current_bss) |
fffd0934 JB |
970 | return -ENOLINK; |
971 | break; | |
de4fcbad | 972 | case NL80211_IFTYPE_UNSPECIFIED: |
6e0bd6c3 | 973 | case NL80211_IFTYPE_OCB: |
de4fcbad | 974 | case NL80211_IFTYPE_MONITOR: |
cb3b7d87 | 975 | case NL80211_IFTYPE_NAN: |
de4fcbad JB |
976 | case NL80211_IFTYPE_P2P_DEVICE: |
977 | case NL80211_IFTYPE_WDS: | |
978 | case NUM_NL80211_IFTYPES: | |
fffd0934 JB |
979 | return -EINVAL; |
980 | } | |
981 | ||
982 | return 0; | |
983 | } | |
984 | ||
664834de JM |
985 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
986 | struct nlattr *tb) | |
987 | { | |
988 | struct ieee80211_channel *chan; | |
989 | ||
990 | if (tb == NULL) | |
991 | return NULL; | |
992 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
993 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
994 | return NULL; | |
995 | return chan; | |
996 | } | |
997 | ||
7527a782 JB |
998 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
999 | { | |
1000 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
1001 | int i; | |
1002 | ||
1003 | if (!nl_modes) | |
1004 | goto nla_put_failure; | |
1005 | ||
1006 | i = 0; | |
1007 | while (ifmodes) { | |
9360ffd1 DM |
1008 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
1009 | goto nla_put_failure; | |
7527a782 JB |
1010 | ifmodes >>= 1; |
1011 | i++; | |
1012 | } | |
1013 | ||
1014 | nla_nest_end(msg, nl_modes); | |
1015 | return 0; | |
1016 | ||
1017 | nla_put_failure: | |
1018 | return -ENOBUFS; | |
1019 | } | |
1020 | ||
1021 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
1022 | struct sk_buff *msg, |
1023 | bool large) | |
7527a782 JB |
1024 | { |
1025 | struct nlattr *nl_combis; | |
1026 | int i, j; | |
1027 | ||
1028 | nl_combis = nla_nest_start(msg, | |
1029 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
1030 | if (!nl_combis) | |
1031 | goto nla_put_failure; | |
1032 | ||
1033 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
1034 | const struct ieee80211_iface_combination *c; | |
1035 | struct nlattr *nl_combi, *nl_limits; | |
1036 | ||
1037 | c = &wiphy->iface_combinations[i]; | |
1038 | ||
1039 | nl_combi = nla_nest_start(msg, i + 1); | |
1040 | if (!nl_combi) | |
1041 | goto nla_put_failure; | |
1042 | ||
1043 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
1044 | if (!nl_limits) | |
1045 | goto nla_put_failure; | |
1046 | ||
1047 | for (j = 0; j < c->n_limits; j++) { | |
1048 | struct nlattr *nl_limit; | |
1049 | ||
1050 | nl_limit = nla_nest_start(msg, j + 1); | |
1051 | if (!nl_limit) | |
1052 | goto nla_put_failure; | |
9360ffd1 DM |
1053 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
1054 | c->limits[j].max)) | |
1055 | goto nla_put_failure; | |
7527a782 JB |
1056 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
1057 | c->limits[j].types)) | |
1058 | goto nla_put_failure; | |
1059 | nla_nest_end(msg, nl_limit); | |
1060 | } | |
1061 | ||
1062 | nla_nest_end(msg, nl_limits); | |
1063 | ||
9360ffd1 DM |
1064 | if (c->beacon_int_infra_match && |
1065 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
1066 | goto nla_put_failure; | |
1067 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
1068 | c->num_different_channels) || | |
1069 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
1070 | c->max_interfaces)) | |
1071 | goto nla_put_failure; | |
cdc89b97 | 1072 | if (large && |
8c48b50a FF |
1073 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
1074 | c->radar_detect_widths) || | |
1075 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
1076 | c->radar_detect_regions))) | |
cdc89b97 | 1077 | goto nla_put_failure; |
7527a782 JB |
1078 | |
1079 | nla_nest_end(msg, nl_combi); | |
1080 | } | |
1081 | ||
1082 | nla_nest_end(msg, nl_combis); | |
1083 | ||
1084 | return 0; | |
1085 | nla_put_failure: | |
1086 | return -ENOBUFS; | |
1087 | } | |
1088 | ||
3713b4e3 | 1089 | #ifdef CONFIG_PM |
b56cf720 JB |
1090 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
1091 | struct sk_buff *msg) | |
1092 | { | |
964dc9e2 | 1093 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
1094 | struct nlattr *nl_tcp; |
1095 | ||
1096 | if (!tcp) | |
1097 | return 0; | |
1098 | ||
1099 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
1100 | if (!nl_tcp) | |
1101 | return -ENOBUFS; | |
1102 | ||
1103 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1104 | tcp->data_payload_max)) | |
1105 | return -ENOBUFS; | |
1106 | ||
1107 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1108 | tcp->data_payload_max)) | |
1109 | return -ENOBUFS; | |
1110 | ||
1111 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1112 | return -ENOBUFS; | |
1113 | ||
1114 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1115 | sizeof(*tcp->tok), tcp->tok)) | |
1116 | return -ENOBUFS; | |
1117 | ||
1118 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1119 | tcp->data_interval_max)) | |
1120 | return -ENOBUFS; | |
1121 | ||
1122 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1123 | tcp->wake_payload_max)) | |
1124 | return -ENOBUFS; | |
1125 | ||
1126 | nla_nest_end(msg, nl_tcp); | |
1127 | return 0; | |
1128 | } | |
1129 | ||
3713b4e3 | 1130 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1131 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1132 | bool large) |
55682965 | 1133 | { |
3713b4e3 | 1134 | struct nlattr *nl_wowlan; |
55682965 | 1135 | |
1b8ec87a | 1136 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1137 | return 0; |
55682965 | 1138 | |
3713b4e3 JB |
1139 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1140 | if (!nl_wowlan) | |
1141 | return -ENOBUFS; | |
9360ffd1 | 1142 | |
1b8ec87a | 1143 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1144 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1145 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1146 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1147 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1148 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1149 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1150 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1151 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1152 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1153 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1154 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1155 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1156 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1157 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1158 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1159 | return -ENOBUFS; | |
9360ffd1 | 1160 | |
1b8ec87a | 1161 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1162 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1163 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1164 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1165 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1166 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1167 | }; |
9360ffd1 | 1168 | |
3713b4e3 JB |
1169 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1170 | sizeof(pat), &pat)) | |
1171 | return -ENOBUFS; | |
1172 | } | |
9360ffd1 | 1173 | |
75453ccb LC |
1174 | if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) && |
1175 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT, | |
1176 | rdev->wiphy.wowlan->max_nd_match_sets)) | |
1177 | return -ENOBUFS; | |
1178 | ||
1b8ec87a | 1179 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1180 | return -ENOBUFS; |
1181 | ||
3713b4e3 | 1182 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1183 | |
3713b4e3 JB |
1184 | return 0; |
1185 | } | |
1186 | #endif | |
9360ffd1 | 1187 | |
be29b99a | 1188 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1189 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1190 | { |
1191 | struct nl80211_coalesce_rule_support rule; | |
1192 | ||
1b8ec87a | 1193 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1194 | return 0; |
1195 | ||
1b8ec87a ZG |
1196 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1197 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1198 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1199 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1200 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1201 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1202 | |
1203 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1204 | return -ENOBUFS; | |
1205 | ||
1206 | return 0; | |
1207 | } | |
1208 | ||
3713b4e3 JB |
1209 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1210 | struct ieee80211_supported_band *sband) | |
1211 | { | |
1212 | struct nlattr *nl_rates, *nl_rate; | |
1213 | struct ieee80211_rate *rate; | |
1214 | int i; | |
87bbbe22 | 1215 | |
3713b4e3 JB |
1216 | /* add HT info */ |
1217 | if (sband->ht_cap.ht_supported && | |
1218 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1219 | sizeof(sband->ht_cap.mcs), | |
1220 | &sband->ht_cap.mcs) || | |
1221 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1222 | sband->ht_cap.cap) || | |
1223 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1224 | sband->ht_cap.ampdu_factor) || | |
1225 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1226 | sband->ht_cap.ampdu_density))) | |
1227 | return -ENOBUFS; | |
afe0cbf8 | 1228 | |
3713b4e3 JB |
1229 | /* add VHT info */ |
1230 | if (sband->vht_cap.vht_supported && | |
1231 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1232 | sizeof(sband->vht_cap.vht_mcs), | |
1233 | &sband->vht_cap.vht_mcs) || | |
1234 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1235 | sband->vht_cap.cap))) | |
1236 | return -ENOBUFS; | |
f59ac048 | 1237 | |
3713b4e3 JB |
1238 | /* add bitrates */ |
1239 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1240 | if (!nl_rates) | |
1241 | return -ENOBUFS; | |
ee688b00 | 1242 | |
3713b4e3 JB |
1243 | for (i = 0; i < sband->n_bitrates; i++) { |
1244 | nl_rate = nla_nest_start(msg, i); | |
1245 | if (!nl_rate) | |
1246 | return -ENOBUFS; | |
ee688b00 | 1247 | |
3713b4e3 JB |
1248 | rate = &sband->bitrates[i]; |
1249 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1250 | rate->bitrate)) | |
1251 | return -ENOBUFS; | |
1252 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1253 | nla_put_flag(msg, | |
1254 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1255 | return -ENOBUFS; | |
ee688b00 | 1256 | |
3713b4e3 JB |
1257 | nla_nest_end(msg, nl_rate); |
1258 | } | |
d51626df | 1259 | |
3713b4e3 | 1260 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1261 | |
3713b4e3 JB |
1262 | return 0; |
1263 | } | |
ee688b00 | 1264 | |
3713b4e3 JB |
1265 | static int |
1266 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1267 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1268 | { | |
1269 | u16 stypes; | |
1270 | struct nlattr *nl_ftypes, *nl_ifs; | |
1271 | enum nl80211_iftype ift; | |
1272 | int i; | |
ee688b00 | 1273 | |
3713b4e3 JB |
1274 | if (!mgmt_stypes) |
1275 | return 0; | |
5dab3b8a | 1276 | |
3713b4e3 JB |
1277 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1278 | if (!nl_ifs) | |
1279 | return -ENOBUFS; | |
e2f367f2 | 1280 | |
3713b4e3 JB |
1281 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1282 | nl_ftypes = nla_nest_start(msg, ift); | |
1283 | if (!nl_ftypes) | |
1284 | return -ENOBUFS; | |
1285 | i = 0; | |
1286 | stypes = mgmt_stypes[ift].tx; | |
1287 | while (stypes) { | |
1288 | if ((stypes & 1) && | |
1289 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1290 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1291 | return -ENOBUFS; | |
1292 | stypes >>= 1; | |
1293 | i++; | |
ee688b00 | 1294 | } |
3713b4e3 JB |
1295 | nla_nest_end(msg, nl_ftypes); |
1296 | } | |
ee688b00 | 1297 | |
3713b4e3 | 1298 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1299 | |
3713b4e3 JB |
1300 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1301 | if (!nl_ifs) | |
1302 | return -ENOBUFS; | |
ee688b00 | 1303 | |
3713b4e3 JB |
1304 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1305 | nl_ftypes = nla_nest_start(msg, ift); | |
1306 | if (!nl_ftypes) | |
1307 | return -ENOBUFS; | |
1308 | i = 0; | |
1309 | stypes = mgmt_stypes[ift].rx; | |
1310 | while (stypes) { | |
1311 | if ((stypes & 1) && | |
1312 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1313 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1314 | return -ENOBUFS; | |
1315 | stypes >>= 1; | |
1316 | i++; | |
1317 | } | |
1318 | nla_nest_end(msg, nl_ftypes); | |
1319 | } | |
1320 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1321 | |
3713b4e3 JB |
1322 | return 0; |
1323 | } | |
ee688b00 | 1324 | |
86e8cf98 JB |
1325 | struct nl80211_dump_wiphy_state { |
1326 | s64 filter_wiphy; | |
1327 | long start; | |
019ae3a9 | 1328 | long split_start, band_start, chan_start, capa_start; |
86e8cf98 JB |
1329 | bool split; |
1330 | }; | |
1331 | ||
1b8ec87a | 1332 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 1333 | enum nl80211_commands cmd, |
3713b4e3 | 1334 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 1335 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1336 | { |
1337 | void *hdr; | |
1338 | struct nlattr *nl_bands, *nl_band; | |
1339 | struct nlattr *nl_freqs, *nl_freq; | |
1340 | struct nlattr *nl_cmds; | |
57fbcce3 | 1341 | enum nl80211_band band; |
3713b4e3 JB |
1342 | struct ieee80211_channel *chan; |
1343 | int i; | |
1344 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 1345 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 1346 | u32 features; |
ee688b00 | 1347 | |
3bb20556 | 1348 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
1349 | if (!hdr) |
1350 | return -ENOBUFS; | |
ee688b00 | 1351 | |
86e8cf98 JB |
1352 | if (WARN_ON(!state)) |
1353 | return -EINVAL; | |
ee688b00 | 1354 | |
1b8ec87a | 1355 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 1356 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 1357 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
1358 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1359 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1360 | goto nla_put_failure; |
1361 | ||
3bb20556 JB |
1362 | if (cmd != NL80211_CMD_NEW_WIPHY) |
1363 | goto finish; | |
1364 | ||
86e8cf98 | 1365 | switch (state->split_start) { |
3713b4e3 JB |
1366 | case 0: |
1367 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 1368 | rdev->wiphy.retry_short) || |
3713b4e3 | 1369 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 1370 | rdev->wiphy.retry_long) || |
3713b4e3 | 1371 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 1372 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 1373 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 1374 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 1375 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 1376 | rdev->wiphy.coverage_class) || |
3713b4e3 | 1377 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 1378 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 1379 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 1380 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 1381 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 1382 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 1383 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 1384 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 1385 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
3b06d277 AS |
1386 | rdev->wiphy.max_match_sets) || |
1387 | nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS, | |
1388 | rdev->wiphy.max_sched_scan_plans) || | |
1389 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL, | |
1390 | rdev->wiphy.max_sched_scan_plan_interval) || | |
1391 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS, | |
1392 | rdev->wiphy.max_sched_scan_plan_iterations)) | |
9360ffd1 | 1393 | goto nla_put_failure; |
3713b4e3 | 1394 | |
1b8ec87a | 1395 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 1396 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 1397 | goto nla_put_failure; |
1b8ec87a | 1398 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
1399 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
1400 | goto nla_put_failure; | |
1b8ec87a | 1401 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
1402 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
1403 | goto nla_put_failure; | |
1b8ec87a | 1404 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
1405 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
1406 | goto nla_put_failure; | |
1b8ec87a | 1407 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
1408 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
1409 | goto nla_put_failure; | |
1b8ec87a | 1410 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 1411 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 1412 | goto nla_put_failure; |
86e8cf98 JB |
1413 | state->split_start++; |
1414 | if (state->split) | |
3713b4e3 JB |
1415 | break; |
1416 | case 1: | |
1417 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
1418 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
1419 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 1420 | goto nla_put_failure; |
4745fc09 | 1421 | |
3713b4e3 | 1422 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 1423 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 1424 | goto nla_put_failure; |
b23aa676 | 1425 | |
1b8ec87a | 1426 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 1427 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 1428 | goto nla_put_failure; |
b23aa676 | 1429 | |
3713b4e3 | 1430 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 1431 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 1432 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 1433 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 1434 | goto nla_put_failure; |
b23aa676 | 1435 | |
1b8ec87a | 1436 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 1437 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 1438 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 1439 | goto nla_put_failure; |
8fdc621d | 1440 | |
1b8ec87a ZG |
1441 | if ((rdev->wiphy.available_antennas_tx || |
1442 | rdev->wiphy.available_antennas_rx) && | |
1443 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
1444 | u32 tx_ant = 0, rx_ant = 0; |
1445 | int res; | |
7a087e74 | 1446 | |
1b8ec87a | 1447 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
1448 | if (!res) { |
1449 | if (nla_put_u32(msg, | |
1450 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1451 | tx_ant) || | |
1452 | nla_put_u32(msg, | |
1453 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1454 | rx_ant)) | |
1455 | goto nla_put_failure; | |
1456 | } | |
1457 | } | |
a293911d | 1458 | |
86e8cf98 JB |
1459 | state->split_start++; |
1460 | if (state->split) | |
3713b4e3 JB |
1461 | break; |
1462 | case 2: | |
1463 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 1464 | rdev->wiphy.interface_modes)) |
3713b4e3 | 1465 | goto nla_put_failure; |
86e8cf98 JB |
1466 | state->split_start++; |
1467 | if (state->split) | |
3713b4e3 JB |
1468 | break; |
1469 | case 3: | |
1470 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1471 | if (!nl_bands) | |
1472 | goto nla_put_failure; | |
f7ca38df | 1473 | |
86e8cf98 | 1474 | for (band = state->band_start; |
57fbcce3 | 1475 | band < NUM_NL80211_BANDS; band++) { |
3713b4e3 | 1476 | struct ieee80211_supported_band *sband; |
2e161f78 | 1477 | |
1b8ec87a | 1478 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 1479 | |
3713b4e3 JB |
1480 | if (!sband) |
1481 | continue; | |
1482 | ||
1483 | nl_band = nla_nest_start(msg, band); | |
1484 | if (!nl_band) | |
2e161f78 | 1485 | goto nla_put_failure; |
3713b4e3 | 1486 | |
86e8cf98 | 1487 | switch (state->chan_start) { |
3713b4e3 JB |
1488 | case 0: |
1489 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1490 | goto nla_put_failure; |
86e8cf98 JB |
1491 | state->chan_start++; |
1492 | if (state->split) | |
3713b4e3 JB |
1493 | break; |
1494 | default: | |
1495 | /* add frequencies */ | |
1496 | nl_freqs = nla_nest_start( | |
1497 | msg, NL80211_BAND_ATTR_FREQS); | |
1498 | if (!nl_freqs) | |
1499 | goto nla_put_failure; | |
1500 | ||
86e8cf98 | 1501 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1502 | i < sband->n_channels; |
1503 | i++) { | |
1504 | nl_freq = nla_nest_start(msg, i); | |
1505 | if (!nl_freq) | |
1506 | goto nla_put_failure; | |
1507 | ||
1508 | chan = &sband->channels[i]; | |
1509 | ||
86e8cf98 JB |
1510 | if (nl80211_msg_put_channel( |
1511 | msg, chan, | |
1512 | state->split)) | |
3713b4e3 JB |
1513 | goto nla_put_failure; |
1514 | ||
1515 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1516 | if (state->split) |
3713b4e3 JB |
1517 | break; |
1518 | } | |
1519 | if (i < sband->n_channels) | |
86e8cf98 | 1520 | state->chan_start = i + 2; |
3713b4e3 | 1521 | else |
86e8cf98 | 1522 | state->chan_start = 0; |
3713b4e3 JB |
1523 | nla_nest_end(msg, nl_freqs); |
1524 | } | |
1525 | ||
1526 | nla_nest_end(msg, nl_band); | |
1527 | ||
86e8cf98 | 1528 | if (state->split) { |
3713b4e3 | 1529 | /* start again here */ |
86e8cf98 | 1530 | if (state->chan_start) |
3713b4e3 JB |
1531 | band--; |
1532 | break; | |
2e161f78 | 1533 | } |
2e161f78 | 1534 | } |
3713b4e3 | 1535 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1536 | |
57fbcce3 | 1537 | if (band < NUM_NL80211_BANDS) |
86e8cf98 | 1538 | state->band_start = band + 1; |
3713b4e3 | 1539 | else |
86e8cf98 | 1540 | state->band_start = 0; |
74b70a4e | 1541 | |
3713b4e3 | 1542 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1543 | if (state->band_start == 0 && state->chan_start == 0) |
1544 | state->split_start++; | |
1545 | if (state->split) | |
3713b4e3 JB |
1546 | break; |
1547 | case 4: | |
1548 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1549 | if (!nl_cmds) | |
2e161f78 JB |
1550 | goto nla_put_failure; |
1551 | ||
3713b4e3 JB |
1552 | i = 0; |
1553 | #define CMD(op, n) \ | |
1554 | do { \ | |
1b8ec87a | 1555 | if (rdev->ops->op) { \ |
3713b4e3 JB |
1556 | i++; \ |
1557 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1558 | goto nla_put_failure; \ | |
1559 | } \ | |
1560 | } while (0) | |
1561 | ||
1562 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1563 | CMD(change_virtual_intf, SET_INTERFACE); | |
1564 | CMD(add_key, NEW_KEY); | |
1565 | CMD(start_ap, START_AP); | |
1566 | CMD(add_station, NEW_STATION); | |
1567 | CMD(add_mpath, NEW_MPATH); | |
1568 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1569 | CMD(change_bss, SET_BSS); | |
1570 | CMD(auth, AUTHENTICATE); | |
1571 | CMD(assoc, ASSOCIATE); | |
1572 | CMD(deauth, DEAUTHENTICATE); | |
1573 | CMD(disassoc, DISASSOCIATE); | |
1574 | CMD(join_ibss, JOIN_IBSS); | |
1575 | CMD(join_mesh, JOIN_MESH); | |
1576 | CMD(set_pmksa, SET_PMKSA); | |
1577 | CMD(del_pmksa, DEL_PMKSA); | |
1578 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1b8ec87a | 1579 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) |
3713b4e3 JB |
1580 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); |
1581 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1582 | CMD(mgmt_tx, FRAME); | |
1583 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1b8ec87a | 1584 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
3713b4e3 JB |
1585 | i++; |
1586 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
2e161f78 | 1587 | goto nla_put_failure; |
2e161f78 | 1588 | } |
1b8ec87a ZG |
1589 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || |
1590 | rdev->ops->join_mesh) { | |
3713b4e3 JB |
1591 | i++; |
1592 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1593 | goto nla_put_failure; | |
1594 | } | |
1595 | CMD(set_wds_peer, SET_WDS_PEER); | |
1b8ec87a | 1596 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { |
3713b4e3 JB |
1597 | CMD(tdls_mgmt, TDLS_MGMT); |
1598 | CMD(tdls_oper, TDLS_OPER); | |
1599 | } | |
1b8ec87a | 1600 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
3713b4e3 JB |
1601 | CMD(sched_scan_start, START_SCHED_SCAN); |
1602 | CMD(probe_client, PROBE_CLIENT); | |
1603 | CMD(set_noack_map, SET_NOACK_MAP); | |
1b8ec87a | 1604 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { |
3713b4e3 JB |
1605 | i++; |
1606 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1607 | goto nla_put_failure; | |
1608 | } | |
1609 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1610 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
02df00eb JB |
1611 | #ifdef CONFIG_NL80211_TESTMODE |
1612 | CMD(testmode_cmd, TESTMODE); | |
1613 | #endif | |
86e8cf98 | 1614 | if (state->split) { |
5de17984 AS |
1615 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1616 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 1617 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 1618 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 1619 | CMD(set_qos_map, SET_QOS_MAP); |
723e73ac JB |
1620 | if (rdev->wiphy.features & |
1621 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
960d01ac | 1622 | CMD(add_tx_ts, ADD_TX_TS); |
5de17984 | 1623 | } |
02df00eb | 1624 | /* add into the if now */ |
3713b4e3 | 1625 | #undef CMD |
ff1b6e69 | 1626 | |
1b8ec87a | 1627 | if (rdev->ops->connect || rdev->ops->auth) { |
3713b4e3 JB |
1628 | i++; |
1629 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
9360ffd1 | 1630 | goto nla_put_failure; |
ff1b6e69 JB |
1631 | } |
1632 | ||
1b8ec87a | 1633 | if (rdev->ops->disconnect || rdev->ops->deauth) { |
3713b4e3 JB |
1634 | i++; |
1635 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1636 | goto nla_put_failure; | |
1637 | } | |
1638 | ||
1639 | nla_nest_end(msg, nl_cmds); | |
86e8cf98 JB |
1640 | state->split_start++; |
1641 | if (state->split) | |
3713b4e3 JB |
1642 | break; |
1643 | case 5: | |
1b8ec87a ZG |
1644 | if (rdev->ops->remain_on_channel && |
1645 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
1646 | nla_put_u32(msg, |
1647 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 1648 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
1649 | goto nla_put_failure; |
1650 | ||
1b8ec87a | 1651 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
1652 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
1653 | goto nla_put_failure; | |
1654 | ||
1655 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1656 | goto nla_put_failure; | |
86e8cf98 JB |
1657 | state->split_start++; |
1658 | if (state->split) | |
3713b4e3 JB |
1659 | break; |
1660 | case 6: | |
1661 | #ifdef CONFIG_PM | |
1b8ec87a | 1662 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 1663 | goto nla_put_failure; |
86e8cf98 JB |
1664 | state->split_start++; |
1665 | if (state->split) | |
3713b4e3 JB |
1666 | break; |
1667 | #else | |
86e8cf98 | 1668 | state->split_start++; |
dfb89c56 | 1669 | #endif |
3713b4e3 JB |
1670 | case 7: |
1671 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 1672 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 1673 | goto nla_put_failure; |
ff1b6e69 | 1674 | |
1b8ec87a | 1675 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 1676 | state->split)) |
3713b4e3 | 1677 | goto nla_put_failure; |
7527a782 | 1678 | |
86e8cf98 JB |
1679 | state->split_start++; |
1680 | if (state->split) | |
3713b4e3 JB |
1681 | break; |
1682 | case 8: | |
1b8ec87a | 1683 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 1684 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 1685 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 1686 | goto nla_put_failure; |
7527a782 | 1687 | |
1b8ec87a | 1688 | features = rdev->wiphy.features; |
fe1abafd JB |
1689 | /* |
1690 | * We can only add the per-channel limit information if the | |
1691 | * dump is split, otherwise it makes it too big. Therefore | |
1692 | * only advertise it in that case. | |
1693 | */ | |
86e8cf98 | 1694 | if (state->split) |
fe1abafd JB |
1695 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1696 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1697 | goto nla_put_failure; |
562a7480 | 1698 | |
1b8ec87a | 1699 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 1700 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
1701 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
1702 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 1703 | goto nla_put_failure; |
1f074bd8 | 1704 | |
1b8ec87a ZG |
1705 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1706 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 1707 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 1708 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 1709 | goto nla_put_failure; |
7e7c8926 | 1710 | |
3713b4e3 JB |
1711 | /* |
1712 | * Any information below this point is only available to | |
1713 | * applications that can deal with it being split. This | |
1714 | * helps ensure that newly added capabilities don't break | |
1715 | * older tools by overrunning their buffers. | |
1716 | * | |
1717 | * We still increment split_start so that in the split | |
1718 | * case we'll continue with more data in the next round, | |
1719 | * but break unconditionally so unsplit data stops here. | |
1720 | */ | |
86e8cf98 | 1721 | state->split_start++; |
3713b4e3 JB |
1722 | break; |
1723 | case 9: | |
1b8ec87a | 1724 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 1725 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
1726 | rdev->wiphy.extended_capabilities_len, |
1727 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 1728 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
1729 | rdev->wiphy.extended_capabilities_len, |
1730 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 1731 | goto nla_put_failure; |
a50df0c4 | 1732 | |
1b8ec87a | 1733 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 1734 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
1735 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
1736 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
1737 | goto nla_put_failure; |
1738 | ||
be29b99a AK |
1739 | state->split_start++; |
1740 | break; | |
1741 | case 10: | |
1b8ec87a | 1742 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
1743 | goto nla_put_failure; |
1744 | ||
1b8ec87a | 1745 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
1746 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
1747 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1748 | goto nla_put_failure; | |
b43504cf | 1749 | |
1b8ec87a | 1750 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 1751 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 1752 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
1753 | goto nla_put_failure; |
1754 | ||
ad7e718c JB |
1755 | state->split_start++; |
1756 | break; | |
1757 | case 11: | |
1b8ec87a | 1758 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
1759 | const struct nl80211_vendor_cmd_info *info; |
1760 | struct nlattr *nested; | |
1761 | ||
1762 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1763 | if (!nested) | |
1764 | goto nla_put_failure; | |
1765 | ||
1b8ec87a ZG |
1766 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
1767 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
1768 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1769 | goto nla_put_failure; | |
1770 | } | |
1771 | nla_nest_end(msg, nested); | |
1772 | } | |
1773 | ||
1b8ec87a | 1774 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
1775 | const struct nl80211_vendor_cmd_info *info; |
1776 | struct nlattr *nested; | |
ad7e718c | 1777 | |
567ffc35 JB |
1778 | nested = nla_nest_start(msg, |
1779 | NL80211_ATTR_VENDOR_EVENTS); | |
1780 | if (!nested) | |
ad7e718c | 1781 | goto nla_put_failure; |
567ffc35 | 1782 | |
1b8ec87a ZG |
1783 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
1784 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
1785 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1786 | goto nla_put_failure; | |
1787 | } | |
1788 | nla_nest_end(msg, nested); | |
1789 | } | |
9a774c78 AO |
1790 | state->split_start++; |
1791 | break; | |
1792 | case 12: | |
1793 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
1794 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
1795 | rdev->wiphy.max_num_csa_counters)) | |
1796 | goto nla_put_failure; | |
01e0daa4 | 1797 | |
1bdd716c AN |
1798 | if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
1799 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
1800 | goto nla_put_failure; | |
1801 | ||
d75bb06b GKS |
1802 | if (nla_put(msg, NL80211_ATTR_EXT_FEATURES, |
1803 | sizeof(rdev->wiphy.ext_features), | |
1804 | rdev->wiphy.ext_features)) | |
1805 | goto nla_put_failure; | |
1806 | ||
38de03d2 AS |
1807 | if (rdev->wiphy.bss_select_support) { |
1808 | struct nlattr *nested; | |
1809 | u32 bss_select_support = rdev->wiphy.bss_select_support; | |
1810 | ||
1811 | nested = nla_nest_start(msg, NL80211_ATTR_BSS_SELECT); | |
1812 | if (!nested) | |
1813 | goto nla_put_failure; | |
1814 | ||
1815 | i = 0; | |
1816 | while (bss_select_support) { | |
1817 | if ((bss_select_support & 1) && | |
1818 | nla_put_flag(msg, i)) | |
1819 | goto nla_put_failure; | |
1820 | i++; | |
1821 | bss_select_support >>= 1; | |
1822 | } | |
1823 | nla_nest_end(msg, nested); | |
1824 | } | |
1825 | ||
019ae3a9 KV |
1826 | state->split_start++; |
1827 | break; | |
1828 | case 13: | |
1829 | if (rdev->wiphy.num_iftype_ext_capab && | |
1830 | rdev->wiphy.iftype_ext_capab) { | |
1831 | struct nlattr *nested_ext_capab, *nested; | |
1832 | ||
1833 | nested = nla_nest_start(msg, | |
1834 | NL80211_ATTR_IFTYPE_EXT_CAPA); | |
1835 | if (!nested) | |
1836 | goto nla_put_failure; | |
1837 | ||
1838 | for (i = state->capa_start; | |
1839 | i < rdev->wiphy.num_iftype_ext_capab; i++) { | |
1840 | const struct wiphy_iftype_ext_capab *capab; | |
1841 | ||
1842 | capab = &rdev->wiphy.iftype_ext_capab[i]; | |
1843 | ||
1844 | nested_ext_capab = nla_nest_start(msg, i); | |
1845 | if (!nested_ext_capab || | |
1846 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, | |
1847 | capab->iftype) || | |
1848 | nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1849 | capab->extended_capabilities_len, | |
1850 | capab->extended_capabilities) || | |
1851 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1852 | capab->extended_capabilities_len, | |
1853 | capab->extended_capabilities_mask)) | |
1854 | goto nla_put_failure; | |
1855 | ||
1856 | nla_nest_end(msg, nested_ext_capab); | |
1857 | if (state->split) | |
1858 | break; | |
1859 | } | |
1860 | nla_nest_end(msg, nested); | |
1861 | if (i < rdev->wiphy.num_iftype_ext_capab) { | |
1862 | state->capa_start = i + 1; | |
1863 | break; | |
1864 | } | |
1865 | } | |
1866 | ||
3713b4e3 | 1867 | /* done */ |
86e8cf98 | 1868 | state->split_start = 0; |
3713b4e3 JB |
1869 | break; |
1870 | } | |
3bb20556 | 1871 | finish: |
053c095a JB |
1872 | genlmsg_end(msg, hdr); |
1873 | return 0; | |
55682965 JB |
1874 | |
1875 | nla_put_failure: | |
bc3ed28c TG |
1876 | genlmsg_cancel(msg, hdr); |
1877 | return -EMSGSIZE; | |
55682965 JB |
1878 | } |
1879 | ||
86e8cf98 JB |
1880 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1881 | struct netlink_callback *cb, | |
1882 | struct nl80211_dump_wiphy_state *state) | |
1883 | { | |
1884 | struct nlattr **tb = nl80211_fam.attrbuf; | |
1885 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1886 | tb, nl80211_fam.maxattr, nl80211_policy); | |
1887 | /* ignore parse errors for backward compatibility */ | |
1888 | if (ret) | |
1889 | return 0; | |
1890 | ||
1891 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1892 | if (tb[NL80211_ATTR_WIPHY]) | |
1893 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1894 | if (tb[NL80211_ATTR_WDEV]) | |
1895 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1896 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1897 | struct net_device *netdev; | |
1898 | struct cfg80211_registered_device *rdev; | |
1899 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1900 | ||
7f2b8562 | 1901 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1902 | if (!netdev) |
1903 | return -ENODEV; | |
1904 | if (netdev->ieee80211_ptr) { | |
f26cbf40 | 1905 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
1906 | netdev->ieee80211_ptr->wiphy); |
1907 | state->filter_wiphy = rdev->wiphy_idx; | |
1908 | } | |
86e8cf98 JB |
1909 | } |
1910 | ||
1911 | return 0; | |
1912 | } | |
1913 | ||
55682965 JB |
1914 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1915 | { | |
645e77de | 1916 | int idx = 0, ret; |
86e8cf98 | 1917 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 1918 | struct cfg80211_registered_device *rdev; |
3a5a423b | 1919 | |
5fe231e8 | 1920 | rtnl_lock(); |
86e8cf98 JB |
1921 | if (!state) { |
1922 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1923 | if (!state) { |
1924 | rtnl_unlock(); | |
86e8cf98 | 1925 | return -ENOMEM; |
3713b4e3 | 1926 | } |
86e8cf98 JB |
1927 | state->filter_wiphy = -1; |
1928 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1929 | if (ret) { | |
1930 | kfree(state); | |
1931 | rtnl_unlock(); | |
1932 | return ret; | |
3713b4e3 | 1933 | } |
86e8cf98 | 1934 | cb->args[0] = (long)state; |
3713b4e3 JB |
1935 | } |
1936 | ||
1b8ec87a ZG |
1937 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1938 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1939 | continue; |
86e8cf98 | 1940 | if (++idx <= state->start) |
55682965 | 1941 | continue; |
86e8cf98 | 1942 | if (state->filter_wiphy != -1 && |
1b8ec87a | 1943 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
1944 | continue; |
1945 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1946 | do { | |
3bb20556 JB |
1947 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
1948 | skb, | |
3713b4e3 JB |
1949 | NETLINK_CB(cb->skb).portid, |
1950 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1951 | NLM_F_MULTI, state); |
3713b4e3 JB |
1952 | if (ret < 0) { |
1953 | /* | |
1954 | * If sending the wiphy data didn't fit (ENOBUFS | |
1955 | * or EMSGSIZE returned), this SKB is still | |
1956 | * empty (so it's not too big because another | |
1957 | * wiphy dataset is already in the skb) and | |
1958 | * we've not tried to adjust the dump allocation | |
1959 | * yet ... then adjust the alloc size to be | |
1960 | * bigger, and return 1 but with the empty skb. | |
1961 | * This results in an empty message being RX'ed | |
1962 | * in userspace, but that is ignored. | |
1963 | * | |
1964 | * We can then retry with the larger buffer. | |
1965 | */ | |
1966 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 1967 | !skb->len && !state->split && |
3713b4e3 JB |
1968 | cb->min_dump_alloc < 4096) { |
1969 | cb->min_dump_alloc = 4096; | |
f12cb289 | 1970 | state->split_start = 0; |
d98cae64 | 1971 | rtnl_unlock(); |
3713b4e3 JB |
1972 | return 1; |
1973 | } | |
1974 | idx--; | |
1975 | break; | |
645e77de | 1976 | } |
86e8cf98 | 1977 | } while (state->split_start > 0); |
3713b4e3 | 1978 | break; |
55682965 | 1979 | } |
5fe231e8 | 1980 | rtnl_unlock(); |
55682965 | 1981 | |
86e8cf98 | 1982 | state->start = idx; |
55682965 JB |
1983 | |
1984 | return skb->len; | |
1985 | } | |
1986 | ||
86e8cf98 JB |
1987 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
1988 | { | |
1989 | kfree((void *)cb->args[0]); | |
1990 | return 0; | |
1991 | } | |
1992 | ||
55682965 JB |
1993 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
1994 | { | |
1995 | struct sk_buff *msg; | |
1b8ec87a | 1996 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 1997 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 1998 | |
645e77de | 1999 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 2000 | if (!msg) |
4c476991 | 2001 | return -ENOMEM; |
55682965 | 2002 | |
3bb20556 JB |
2003 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
2004 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 2005 | &state) < 0) { |
4c476991 JB |
2006 | nlmsg_free(msg); |
2007 | return -ENOBUFS; | |
2008 | } | |
55682965 | 2009 | |
134e6375 | 2010 | return genlmsg_reply(msg, info); |
55682965 JB |
2011 | } |
2012 | ||
31888487 JM |
2013 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
2014 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
2015 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
2016 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
2017 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
2018 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
2019 | }; | |
2020 | ||
2021 | static int parse_txq_params(struct nlattr *tb[], | |
2022 | struct ieee80211_txq_params *txq_params) | |
2023 | { | |
a3304b0a | 2024 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
2025 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
2026 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
2027 | return -EINVAL; | |
2028 | ||
a3304b0a | 2029 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
2030 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
2031 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
2032 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
2033 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
2034 | ||
a3304b0a JB |
2035 | if (txq_params->ac >= NL80211_NUM_ACS) |
2036 | return -EINVAL; | |
2037 | ||
31888487 JM |
2038 | return 0; |
2039 | } | |
2040 | ||
f444de05 JB |
2041 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
2042 | { | |
2043 | /* | |
cc1d2806 JB |
2044 | * You can only set the channel explicitly for WDS interfaces, |
2045 | * all others have their channel managed via their respective | |
2046 | * "establish a connection" command (connect, join, ...) | |
2047 | * | |
2048 | * For AP/GO and mesh mode, the channel can be set with the | |
2049 | * channel userspace API, but is only stored and passed to the | |
2050 | * low-level driver when the AP starts or the mesh is joined. | |
2051 | * This is for backward compatibility, userspace can also give | |
2052 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
2053 | * |
2054 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
2055 | * whatever else is going on, so they have their own special |
2056 | * operation to set the monitor channel if possible. | |
f444de05 JB |
2057 | */ |
2058 | return !wdev || | |
2059 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 2060 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
2061 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
2062 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
2063 | } |
2064 | ||
683b6d3b JB |
2065 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
2066 | struct genl_info *info, | |
2067 | struct cfg80211_chan_def *chandef) | |
2068 | { | |
dbeca2ea | 2069 | u32 control_freq; |
683b6d3b JB |
2070 | |
2071 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
2072 | return -EINVAL; | |
2073 | ||
2074 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
2075 | ||
2076 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
2077 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
2078 | chandef->center_freq1 = control_freq; | |
2079 | chandef->center_freq2 = 0; | |
683b6d3b JB |
2080 | |
2081 | /* Primary channel not allowed */ | |
2082 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
2083 | return -EINVAL; | |
2084 | ||
3d9d1d66 JB |
2085 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
2086 | enum nl80211_channel_type chantype; | |
2087 | ||
2088 | chantype = nla_get_u32( | |
2089 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
2090 | ||
2091 | switch (chantype) { | |
2092 | case NL80211_CHAN_NO_HT: | |
2093 | case NL80211_CHAN_HT20: | |
2094 | case NL80211_CHAN_HT40PLUS: | |
2095 | case NL80211_CHAN_HT40MINUS: | |
2096 | cfg80211_chandef_create(chandef, chandef->chan, | |
2097 | chantype); | |
2098 | break; | |
2099 | default: | |
2100 | return -EINVAL; | |
2101 | } | |
2102 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
2103 | chandef->width = | |
2104 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
2105 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
2106 | chandef->center_freq1 = | |
2107 | nla_get_u32( | |
2108 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
2109 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
2110 | chandef->center_freq2 = | |
2111 | nla_get_u32( | |
2112 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
2113 | } | |
2114 | ||
9f5e8f6e | 2115 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
2116 | return -EINVAL; |
2117 | ||
9f5e8f6e JB |
2118 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
2119 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
2120 | return -EINVAL; |
2121 | ||
2f301ab2 SW |
2122 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
2123 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
2124 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
2125 | return -EINVAL; | |
2126 | ||
683b6d3b JB |
2127 | return 0; |
2128 | } | |
2129 | ||
f444de05 | 2130 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 2131 | struct net_device *dev, |
f444de05 JB |
2132 | struct genl_info *info) |
2133 | { | |
683b6d3b | 2134 | struct cfg80211_chan_def chandef; |
f444de05 | 2135 | int result; |
e8c9bd5b | 2136 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 2137 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 2138 | |
e16821bc JM |
2139 | if (dev) |
2140 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
2141 | if (!nl80211_can_set_dev_channel(wdev)) |
2142 | return -EOPNOTSUPP; | |
e16821bc JM |
2143 | if (wdev) |
2144 | iftype = wdev->iftype; | |
f444de05 | 2145 | |
683b6d3b JB |
2146 | result = nl80211_parse_chandef(rdev, info, &chandef); |
2147 | if (result) | |
2148 | return result; | |
f444de05 | 2149 | |
e8c9bd5b | 2150 | switch (iftype) { |
aa430da4 JB |
2151 | case NL80211_IFTYPE_AP: |
2152 | case NL80211_IFTYPE_P2P_GO: | |
923b352f AN |
2153 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
2154 | iftype)) { | |
aa430da4 JB |
2155 | result = -EINVAL; |
2156 | break; | |
2157 | } | |
e16821bc JM |
2158 | if (wdev->beacon_interval) { |
2159 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
2160 | !(rdev->wiphy.features & | |
2161 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
2162 | result = -EBUSY; | |
2163 | break; | |
2164 | } | |
2165 | ||
2166 | /* Only allow dynamic channel width changes */ | |
2167 | if (chandef.chan != wdev->preset_chandef.chan) { | |
2168 | result = -EBUSY; | |
2169 | break; | |
2170 | } | |
2171 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
2172 | if (result) | |
2173 | break; | |
2174 | } | |
683b6d3b | 2175 | wdev->preset_chandef = chandef; |
aa430da4 JB |
2176 | result = 0; |
2177 | break; | |
cc1d2806 | 2178 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 2179 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 2180 | break; |
e8c9bd5b | 2181 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 2182 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 2183 | break; |
aa430da4 | 2184 | default: |
e8c9bd5b | 2185 | result = -EINVAL; |
f444de05 | 2186 | } |
f444de05 JB |
2187 | |
2188 | return result; | |
2189 | } | |
2190 | ||
2191 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
2192 | { | |
4c476991 JB |
2193 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2194 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 2195 | |
e16821bc | 2196 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
2197 | } |
2198 | ||
e8347eba BJ |
2199 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
2200 | { | |
43b19952 JB |
2201 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2202 | struct net_device *dev = info->user_ptr[1]; | |
2203 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 2204 | const u8 *bssid; |
e8347eba BJ |
2205 | |
2206 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2207 | return -EINVAL; | |
2208 | ||
43b19952 JB |
2209 | if (netif_running(dev)) |
2210 | return -EBUSY; | |
e8347eba | 2211 | |
43b19952 JB |
2212 | if (!rdev->ops->set_wds_peer) |
2213 | return -EOPNOTSUPP; | |
e8347eba | 2214 | |
43b19952 JB |
2215 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
2216 | return -EOPNOTSUPP; | |
e8347eba BJ |
2217 | |
2218 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 2219 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
2220 | } |
2221 | ||
55682965 JB |
2222 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
2223 | { | |
2224 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
2225 | struct net_device *netdev = NULL; |
2226 | struct wireless_dev *wdev; | |
a1e567c8 | 2227 | int result = 0, rem_txq_params = 0; |
31888487 | 2228 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
2229 | u32 changed; |
2230 | u8 retry_short = 0, retry_long = 0; | |
2231 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 2232 | u8 coverage_class = 0; |
55682965 | 2233 | |
5fe231e8 JB |
2234 | ASSERT_RTNL(); |
2235 | ||
f444de05 JB |
2236 | /* |
2237 | * Try to find the wiphy and netdev. Normally this | |
2238 | * function shouldn't need the netdev, but this is | |
2239 | * done for backward compatibility -- previously | |
2240 | * setting the channel was done per wiphy, but now | |
2241 | * it is per netdev. Previous userland like hostapd | |
2242 | * also passed a netdev to set_wiphy, so that it is | |
2243 | * possible to let that go to the right netdev! | |
2244 | */ | |
4bbf4d56 | 2245 | |
f444de05 JB |
2246 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2247 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2248 | ||
7f2b8562 | 2249 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2250 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 2251 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2252 | else |
f444de05 | 2253 | netdev = NULL; |
4bbf4d56 JB |
2254 | } |
2255 | ||
f444de05 | 2256 | if (!netdev) { |
878d9ec7 JB |
2257 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2258 | info->attrs); | |
5fe231e8 | 2259 | if (IS_ERR(rdev)) |
4c476991 | 2260 | return PTR_ERR(rdev); |
f444de05 JB |
2261 | wdev = NULL; |
2262 | netdev = NULL; | |
2263 | result = 0; | |
71fe96bf | 2264 | } else |
f444de05 | 2265 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2266 | |
2267 | /* | |
2268 | * end workaround code, by now the rdev is available | |
2269 | * and locked, and wdev may or may not be NULL. | |
2270 | */ | |
4bbf4d56 JB |
2271 | |
2272 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2273 | result = cfg80211_dev_rename( |
2274 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2275 | |
4bbf4d56 | 2276 | if (result) |
7f2b8562 | 2277 | return result; |
31888487 JM |
2278 | |
2279 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2280 | struct ieee80211_txq_params txq_params; | |
2281 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2282 | ||
7f2b8562 YX |
2283 | if (!rdev->ops->set_txq_params) |
2284 | return -EOPNOTSUPP; | |
31888487 | 2285 | |
7f2b8562 YX |
2286 | if (!netdev) |
2287 | return -EINVAL; | |
f70f01c2 | 2288 | |
133a3ff2 | 2289 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2290 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2291 | return -EINVAL; | |
133a3ff2 | 2292 | |
7f2b8562 YX |
2293 | if (!netif_running(netdev)) |
2294 | return -ENETDOWN; | |
2b5f8b0b | 2295 | |
31888487 JM |
2296 | nla_for_each_nested(nl_txq_params, |
2297 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2298 | rem_txq_params) { | |
ae811e21 JB |
2299 | result = nla_parse(tb, NL80211_TXQ_ATTR_MAX, |
2300 | nla_data(nl_txq_params), | |
2301 | nla_len(nl_txq_params), | |
2302 | txq_params_policy); | |
2303 | if (result) | |
2304 | return result; | |
31888487 JM |
2305 | result = parse_txq_params(tb, &txq_params); |
2306 | if (result) | |
7f2b8562 | 2307 | return result; |
31888487 | 2308 | |
e35e4d28 HG |
2309 | result = rdev_set_txq_params(rdev, netdev, |
2310 | &txq_params); | |
31888487 | 2311 | if (result) |
7f2b8562 | 2312 | return result; |
31888487 JM |
2313 | } |
2314 | } | |
55682965 | 2315 | |
72bdcf34 | 2316 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
2317 | result = __nl80211_set_channel( |
2318 | rdev, | |
2319 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
2320 | info); | |
72bdcf34 | 2321 | if (result) |
7f2b8562 | 2322 | return result; |
72bdcf34 JM |
2323 | } |
2324 | ||
98d2ff8b | 2325 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2326 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2327 | enum nl80211_tx_power_setting type; |
2328 | int idx, mbm = 0; | |
2329 | ||
c8442118 JB |
2330 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2331 | txp_wdev = NULL; | |
2332 | ||
7f2b8562 YX |
2333 | if (!rdev->ops->set_tx_power) |
2334 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2335 | |
2336 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2337 | type = nla_get_u32(info->attrs[idx]); | |
2338 | ||
2339 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2340 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2341 | return -EINVAL; | |
98d2ff8b JO |
2342 | |
2343 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2344 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2345 | mbm = nla_get_u32(info->attrs[idx]); | |
2346 | } | |
2347 | ||
c8442118 | 2348 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2349 | if (result) |
7f2b8562 | 2350 | return result; |
98d2ff8b JO |
2351 | } |
2352 | ||
afe0cbf8 BR |
2353 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2354 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2355 | u32 tx_ant, rx_ant; | |
7a087e74 | 2356 | |
7f531e03 BR |
2357 | if ((!rdev->wiphy.available_antennas_tx && |
2358 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2359 | !rdev->ops->set_antenna) |
2360 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2361 | |
2362 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2363 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2364 | ||
a7ffac95 | 2365 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2366 | * available antenna masks, except for the "all" mask */ |
2367 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2368 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2369 | return -EINVAL; | |
a7ffac95 | 2370 | |
7f531e03 BR |
2371 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2372 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2373 | |
e35e4d28 | 2374 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2375 | if (result) |
7f2b8562 | 2376 | return result; |
afe0cbf8 BR |
2377 | } |
2378 | ||
b9a5f8ca JM |
2379 | changed = 0; |
2380 | ||
2381 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2382 | retry_short = nla_get_u8( | |
2383 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2384 | if (retry_short == 0) |
2385 | return -EINVAL; | |
2386 | ||
b9a5f8ca JM |
2387 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2388 | } | |
2389 | ||
2390 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2391 | retry_long = nla_get_u8( | |
2392 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2393 | if (retry_long == 0) |
2394 | return -EINVAL; | |
2395 | ||
b9a5f8ca JM |
2396 | changed |= WIPHY_PARAM_RETRY_LONG; |
2397 | } | |
2398 | ||
2399 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2400 | frag_threshold = nla_get_u32( | |
2401 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2402 | if (frag_threshold < 256) |
2403 | return -EINVAL; | |
2404 | ||
b9a5f8ca JM |
2405 | if (frag_threshold != (u32) -1) { |
2406 | /* | |
2407 | * Fragments (apart from the last one) are required to | |
2408 | * have even length. Make the fragmentation code | |
2409 | * simpler by stripping LSB should someone try to use | |
2410 | * odd threshold value. | |
2411 | */ | |
2412 | frag_threshold &= ~0x1; | |
2413 | } | |
2414 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2415 | } | |
2416 | ||
2417 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2418 | rts_threshold = nla_get_u32( | |
2419 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2420 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2421 | } | |
2422 | ||
81077e82 | 2423 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
3057dbfd LB |
2424 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) |
2425 | return -EINVAL; | |
2426 | ||
81077e82 LT |
2427 | coverage_class = nla_get_u8( |
2428 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2429 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2430 | } | |
2431 | ||
3057dbfd LB |
2432 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { |
2433 | if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) | |
2434 | return -EOPNOTSUPP; | |
2435 | ||
2436 | changed |= WIPHY_PARAM_DYN_ACK; | |
81077e82 LT |
2437 | } |
2438 | ||
b9a5f8ca JM |
2439 | if (changed) { |
2440 | u8 old_retry_short, old_retry_long; | |
2441 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2442 | u8 old_coverage_class; |
b9a5f8ca | 2443 | |
7f2b8562 YX |
2444 | if (!rdev->ops->set_wiphy_params) |
2445 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2446 | |
2447 | old_retry_short = rdev->wiphy.retry_short; | |
2448 | old_retry_long = rdev->wiphy.retry_long; | |
2449 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2450 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2451 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2452 | |
2453 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2454 | rdev->wiphy.retry_short = retry_short; | |
2455 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2456 | rdev->wiphy.retry_long = retry_long; | |
2457 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2458 | rdev->wiphy.frag_threshold = frag_threshold; | |
2459 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2460 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2461 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2462 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2463 | |
e35e4d28 | 2464 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2465 | if (result) { |
2466 | rdev->wiphy.retry_short = old_retry_short; | |
2467 | rdev->wiphy.retry_long = old_retry_long; | |
2468 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2469 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2470 | rdev->wiphy.coverage_class = old_coverage_class; |
9189ee31 | 2471 | return result; |
b9a5f8ca JM |
2472 | } |
2473 | } | |
7f2b8562 | 2474 | return 0; |
55682965 JB |
2475 | } |
2476 | ||
71bbc994 JB |
2477 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2478 | { | |
2479 | return (u64)wdev->identifier | | |
f26cbf40 | 2480 | ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); |
71bbc994 | 2481 | } |
55682965 | 2482 | |
683b6d3b | 2483 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2484 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2485 | { |
601555cd JB |
2486 | if (WARN_ON(!cfg80211_chandef_valid(chandef))) |
2487 | return -EINVAL; | |
3d9d1d66 | 2488 | |
683b6d3b JB |
2489 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2490 | chandef->chan->center_freq)) | |
2491 | return -ENOBUFS; | |
3d9d1d66 JB |
2492 | switch (chandef->width) { |
2493 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2494 | case NL80211_CHAN_WIDTH_20: | |
2495 | case NL80211_CHAN_WIDTH_40: | |
2496 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2497 | cfg80211_get_chandef_type(chandef))) | |
2498 | return -ENOBUFS; | |
2499 | break; | |
2500 | default: | |
2501 | break; | |
2502 | } | |
2503 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2504 | return -ENOBUFS; | |
2505 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2506 | return -ENOBUFS; | |
2507 | if (chandef->center_freq2 && | |
2508 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2509 | return -ENOBUFS; |
2510 | return 0; | |
2511 | } | |
2512 | ||
15e47304 | 2513 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2514 | struct cfg80211_registered_device *rdev, |
8f894be2 | 2515 | struct wireless_dev *wdev, bool removal) |
55682965 | 2516 | { |
72fb2abc | 2517 | struct net_device *dev = wdev->netdev; |
8f894be2 | 2518 | u8 cmd = NL80211_CMD_NEW_INTERFACE; |
55682965 JB |
2519 | void *hdr; |
2520 | ||
8f894be2 TB |
2521 | if (removal) |
2522 | cmd = NL80211_CMD_DEL_INTERFACE; | |
2523 | ||
2524 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); | |
55682965 JB |
2525 | if (!hdr) |
2526 | return -1; | |
2527 | ||
72fb2abc JB |
2528 | if (dev && |
2529 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2530 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2531 | goto nla_put_failure; |
2532 | ||
2533 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2534 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
2dad624e ND |
2535 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
2536 | NL80211_ATTR_PAD) || | |
98104fde | 2537 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2538 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2539 | rdev->devlist_generation ^ | |
2540 | (cfg80211_rdev_list_generation << 2))) | |
2541 | goto nla_put_failure; | |
f5ea9120 | 2542 | |
5b7ccaf3 | 2543 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2544 | int ret; |
2545 | struct cfg80211_chan_def chandef; | |
2546 | ||
2547 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2548 | if (ret == 0) { | |
2549 | if (nl80211_send_chandef(msg, &chandef)) | |
2550 | goto nla_put_failure; | |
2551 | } | |
d91df0e3 PF |
2552 | } |
2553 | ||
d55d0d59 RM |
2554 | if (rdev->ops->get_tx_power) { |
2555 | int dbm, ret; | |
2556 | ||
2557 | ret = rdev_get_tx_power(rdev, wdev, &dbm); | |
2558 | if (ret == 0 && | |
2559 | nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, | |
2560 | DBM_TO_MBM(dbm))) | |
2561 | goto nla_put_failure; | |
2562 | } | |
2563 | ||
b84e7a05 AQ |
2564 | if (wdev->ssid_len) { |
2565 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2566 | goto nla_put_failure; | |
2567 | } | |
2568 | ||
053c095a JB |
2569 | genlmsg_end(msg, hdr); |
2570 | return 0; | |
55682965 JB |
2571 | |
2572 | nla_put_failure: | |
bc3ed28c TG |
2573 | genlmsg_cancel(msg, hdr); |
2574 | return -EMSGSIZE; | |
55682965 JB |
2575 | } |
2576 | ||
2577 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2578 | { | |
2579 | int wp_idx = 0; | |
2580 | int if_idx = 0; | |
2581 | int wp_start = cb->args[0]; | |
2582 | int if_start = cb->args[1]; | |
b7fb44da | 2583 | int filter_wiphy = -1; |
f5ea9120 | 2584 | struct cfg80211_registered_device *rdev; |
55682965 JB |
2585 | struct wireless_dev *wdev; |
2586 | ||
5fe231e8 | 2587 | rtnl_lock(); |
b7fb44da DK |
2588 | if (!cb->args[2]) { |
2589 | struct nl80211_dump_wiphy_state state = { | |
2590 | .filter_wiphy = -1, | |
2591 | }; | |
2592 | int ret; | |
2593 | ||
2594 | ret = nl80211_dump_wiphy_parse(skb, cb, &state); | |
2595 | if (ret) | |
2596 | return ret; | |
2597 | ||
2598 | filter_wiphy = state.filter_wiphy; | |
2599 | ||
2600 | /* | |
2601 | * if filtering, set cb->args[2] to +1 since 0 is the default | |
2602 | * value needed to determine that parsing is necessary. | |
2603 | */ | |
2604 | if (filter_wiphy >= 0) | |
2605 | cb->args[2] = filter_wiphy + 1; | |
2606 | else | |
2607 | cb->args[2] = -1; | |
2608 | } else if (cb->args[2] > 0) { | |
2609 | filter_wiphy = cb->args[2] - 1; | |
2610 | } | |
2611 | ||
f5ea9120 JB |
2612 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2613 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2614 | continue; |
bba95fef JB |
2615 | if (wp_idx < wp_start) { |
2616 | wp_idx++; | |
55682965 | 2617 | continue; |
bba95fef | 2618 | } |
b7fb44da DK |
2619 | |
2620 | if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx) | |
2621 | continue; | |
2622 | ||
55682965 JB |
2623 | if_idx = 0; |
2624 | ||
53873f13 | 2625 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
bba95fef JB |
2626 | if (if_idx < if_start) { |
2627 | if_idx++; | |
55682965 | 2628 | continue; |
bba95fef | 2629 | } |
15e47304 | 2630 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2631 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8f894be2 | 2632 | rdev, wdev, false) < 0) { |
bba95fef JB |
2633 | goto out; |
2634 | } | |
2635 | if_idx++; | |
55682965 | 2636 | } |
bba95fef JB |
2637 | |
2638 | wp_idx++; | |
55682965 | 2639 | } |
bba95fef | 2640 | out: |
5fe231e8 | 2641 | rtnl_unlock(); |
55682965 JB |
2642 | |
2643 | cb->args[0] = wp_idx; | |
2644 | cb->args[1] = if_idx; | |
2645 | ||
2646 | return skb->len; | |
2647 | } | |
2648 | ||
2649 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2650 | { | |
2651 | struct sk_buff *msg; | |
1b8ec87a | 2652 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2653 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2654 | |
fd2120ca | 2655 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2656 | if (!msg) |
4c476991 | 2657 | return -ENOMEM; |
55682965 | 2658 | |
15e47304 | 2659 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2660 | rdev, wdev, false) < 0) { |
4c476991 JB |
2661 | nlmsg_free(msg); |
2662 | return -ENOBUFS; | |
2663 | } | |
55682965 | 2664 | |
134e6375 | 2665 | return genlmsg_reply(msg, info); |
55682965 JB |
2666 | } |
2667 | ||
66f7ac50 MW |
2668 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2669 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2670 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2671 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2672 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2673 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2674 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2675 | }; |
2676 | ||
2677 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2678 | { | |
2679 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2680 | int flag; | |
2681 | ||
2682 | *mntrflags = 0; | |
2683 | ||
2684 | if (!nla) | |
2685 | return -EINVAL; | |
2686 | ||
2687 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
2688 | nla, mntr_flags_policy)) | |
2689 | return -EINVAL; | |
2690 | ||
2691 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2692 | if (flags[flag]) | |
2693 | *mntrflags |= (1<<flag); | |
2694 | ||
2695 | return 0; | |
2696 | } | |
2697 | ||
9bc383de | 2698 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2699 | struct net_device *netdev, u8 use_4addr, |
2700 | enum nl80211_iftype iftype) | |
9bc383de | 2701 | { |
ad4bb6f8 | 2702 | if (!use_4addr) { |
f350a0a8 | 2703 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2704 | return -EBUSY; |
9bc383de | 2705 | return 0; |
ad4bb6f8 | 2706 | } |
9bc383de JB |
2707 | |
2708 | switch (iftype) { | |
2709 | case NL80211_IFTYPE_AP_VLAN: | |
2710 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2711 | return 0; | |
2712 | break; | |
2713 | case NL80211_IFTYPE_STATION: | |
2714 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2715 | return 0; | |
2716 | break; | |
2717 | default: | |
2718 | break; | |
2719 | } | |
2720 | ||
2721 | return -EOPNOTSUPP; | |
2722 | } | |
2723 | ||
55682965 JB |
2724 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2725 | { | |
4c476991 | 2726 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2727 | struct vif_params params; |
e36d56b6 | 2728 | int err; |
04a773ad | 2729 | enum nl80211_iftype otype, ntype; |
4c476991 | 2730 | struct net_device *dev = info->user_ptr[1]; |
92ffe055 | 2731 | u32 _flags, *flags = NULL; |
ac7f9cfa | 2732 | bool change = false; |
55682965 | 2733 | |
2ec600d6 LCC |
2734 | memset(¶ms, 0, sizeof(params)); |
2735 | ||
04a773ad | 2736 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2737 | |
723b038d | 2738 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2739 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2740 | if (otype != ntype) |
ac7f9cfa | 2741 | change = true; |
4c476991 JB |
2742 | if (ntype > NL80211_IFTYPE_MAX) |
2743 | return -EINVAL; | |
723b038d JB |
2744 | } |
2745 | ||
92ffe055 | 2746 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2747 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2748 | ||
4c476991 JB |
2749 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2750 | return -EINVAL; | |
29cbe68c JB |
2751 | if (netif_running(dev)) |
2752 | return -EBUSY; | |
2753 | ||
2754 | wdev_lock(wdev); | |
2755 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2756 | IEEE80211_MAX_MESH_ID_LEN); | |
2757 | wdev->mesh_id_up_len = | |
2758 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2759 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2760 | wdev->mesh_id_up_len); | |
2761 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2762 | } |
2763 | ||
8b787643 FF |
2764 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2765 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2766 | change = true; | |
ad4bb6f8 | 2767 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2768 | if (err) |
4c476991 | 2769 | return err; |
8b787643 FF |
2770 | } else { |
2771 | params.use_4addr = -1; | |
2772 | } | |
2773 | ||
92ffe055 | 2774 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
4c476991 JB |
2775 | if (ntype != NL80211_IFTYPE_MONITOR) |
2776 | return -EINVAL; | |
92ffe055 JB |
2777 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
2778 | &_flags); | |
ac7f9cfa | 2779 | if (err) |
4c476991 | 2780 | return err; |
ac7f9cfa JB |
2781 | |
2782 | flags = &_flags; | |
2783 | change = true; | |
92ffe055 | 2784 | } |
3b85875a | 2785 | |
c6e6a0c8 AE |
2786 | if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) { |
2787 | const u8 *mumimo_groups; | |
2788 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2789 | ||
2790 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2791 | return -EOPNOTSUPP; | |
2792 | ||
2793 | mumimo_groups = | |
2794 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]); | |
2795 | ||
2796 | /* bits 0 and 63 are reserved and must be zero */ | |
2797 | if ((mumimo_groups[0] & BIT(7)) || | |
2798 | (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(0))) | |
2799 | return -EINVAL; | |
2800 | ||
2801 | memcpy(params.vht_mumimo_groups, mumimo_groups, | |
2802 | VHT_MUMIMO_GROUPS_DATA_LEN); | |
2803 | change = true; | |
2804 | } | |
2805 | ||
2806 | if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) { | |
2807 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2808 | ||
2809 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2810 | return -EOPNOTSUPP; | |
2811 | ||
2812 | nla_memcpy(params.macaddr, | |
2813 | info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR], | |
2814 | ETH_ALEN); | |
2815 | change = true; | |
2816 | } | |
2817 | ||
18003297 | 2818 | if (flags && (*flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2819 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2820 | return -EOPNOTSUPP; | |
2821 | ||
ac7f9cfa | 2822 | if (change) |
3d54d255 | 2823 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
ac7f9cfa JB |
2824 | else |
2825 | err = 0; | |
60719ffd | 2826 | |
9bc383de JB |
2827 | if (!err && params.use_4addr != -1) |
2828 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2829 | ||
55682965 JB |
2830 | return err; |
2831 | } | |
2832 | ||
2833 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2834 | { | |
4c476991 | 2835 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2836 | struct vif_params params; |
84efbb84 | 2837 | struct wireless_dev *wdev; |
896ff063 | 2838 | struct sk_buff *msg; |
55682965 JB |
2839 | int err; |
2840 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 2841 | u32 flags; |
55682965 | 2842 | |
78f22b6a JB |
2843 | /* to avoid failing a new interface creation due to pending removal */ |
2844 | cfg80211_destroy_ifaces(rdev); | |
2845 | ||
2ec600d6 LCC |
2846 | memset(¶ms, 0, sizeof(params)); |
2847 | ||
55682965 JB |
2848 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2849 | return -EINVAL; | |
2850 | ||
2851 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2852 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2853 | if (type > NL80211_IFTYPE_MAX) | |
2854 | return -EINVAL; | |
2855 | } | |
2856 | ||
79c97e97 | 2857 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2858 | !(rdev->wiphy.interface_modes & (1 << type))) |
2859 | return -EOPNOTSUPP; | |
55682965 | 2860 | |
cb3b7d87 | 2861 | if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN || |
e8f479b1 BG |
2862 | rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) && |
2863 | info->attrs[NL80211_ATTR_MAC]) { | |
1c18f145 AS |
2864 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], |
2865 | ETH_ALEN); | |
2866 | if (!is_valid_ether_addr(params.macaddr)) | |
2867 | return -EADDRNOTAVAIL; | |
2868 | } | |
2869 | ||
9bc383de | 2870 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2871 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2872 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2873 | if (err) |
4c476991 | 2874 | return err; |
9bc383de | 2875 | } |
8b787643 | 2876 | |
66f7ac50 MW |
2877 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
2878 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
2879 | &flags); | |
e057d3c3 | 2880 | |
18003297 | 2881 | if (!err && (flags & MONITOR_FLAG_ACTIVE) && |
e057d3c3 FF |
2882 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) |
2883 | return -EOPNOTSUPP; | |
2884 | ||
a18c7192 JB |
2885 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2886 | if (!msg) | |
2887 | return -ENOMEM; | |
2888 | ||
e35e4d28 HG |
2889 | wdev = rdev_add_virtual_intf(rdev, |
2890 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
6bab2e19 TG |
2891 | NET_NAME_USER, type, err ? NULL : &flags, |
2892 | ¶ms); | |
d687cbb7 RM |
2893 | if (WARN_ON(!wdev)) { |
2894 | nlmsg_free(msg); | |
2895 | return -EPROTO; | |
2896 | } else if (IS_ERR(wdev)) { | |
1c90f9d4 | 2897 | nlmsg_free(msg); |
84efbb84 | 2898 | return PTR_ERR(wdev); |
1c90f9d4 | 2899 | } |
2ec600d6 | 2900 | |
18e5ca65 | 2901 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
78f22b6a JB |
2902 | wdev->owner_nlportid = info->snd_portid; |
2903 | ||
98104fde JB |
2904 | switch (type) { |
2905 | case NL80211_IFTYPE_MESH_POINT: | |
2906 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2907 | break; | |
29cbe68c JB |
2908 | wdev_lock(wdev); |
2909 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2910 | IEEE80211_MAX_MESH_ID_LEN); | |
2911 | wdev->mesh_id_up_len = | |
2912 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2913 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2914 | wdev->mesh_id_up_len); | |
2915 | wdev_unlock(wdev); | |
98104fde | 2916 | break; |
cb3b7d87 | 2917 | case NL80211_IFTYPE_NAN: |
98104fde JB |
2918 | case NL80211_IFTYPE_P2P_DEVICE: |
2919 | /* | |
cb3b7d87 | 2920 | * P2P Device and NAN do not have a netdev, so don't go |
98104fde JB |
2921 | * through the netdev notifier and must be added here |
2922 | */ | |
2923 | mutex_init(&wdev->mtx); | |
2924 | INIT_LIST_HEAD(&wdev->event_list); | |
2925 | spin_lock_init(&wdev->event_lock); | |
2926 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2927 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2928 | ||
98104fde | 2929 | wdev->identifier = ++rdev->wdev_id; |
53873f13 | 2930 | list_add_rcu(&wdev->list, &rdev->wiphy.wdev_list); |
98104fde | 2931 | rdev->devlist_generation++; |
98104fde JB |
2932 | break; |
2933 | default: | |
2934 | break; | |
29cbe68c JB |
2935 | } |
2936 | ||
15e47304 | 2937 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2938 | rdev, wdev, false) < 0) { |
1c90f9d4 JB |
2939 | nlmsg_free(msg); |
2940 | return -ENOBUFS; | |
2941 | } | |
2942 | ||
896ff063 DK |
2943 | /* |
2944 | * For wdevs which have no associated netdev object (e.g. of type | |
2945 | * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here. | |
2946 | * For all other types, the event will be generated from the | |
2947 | * netdev notifier | |
2948 | */ | |
2949 | if (!wdev->netdev) | |
2950 | nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE); | |
8f894be2 | 2951 | |
1c90f9d4 | 2952 | return genlmsg_reply(msg, info); |
55682965 JB |
2953 | } |
2954 | ||
2955 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
2956 | { | |
4c476991 | 2957 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 2958 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2959 | |
4c476991 JB |
2960 | if (!rdev->ops->del_virtual_intf) |
2961 | return -EOPNOTSUPP; | |
55682965 | 2962 | |
84efbb84 JB |
2963 | /* |
2964 | * If we remove a wireless device without a netdev then clear | |
2965 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
2966 | * to check if it needs to do dev_put(). Otherwise it crashes | |
2967 | * since the wdev has been freed, unlike with a netdev where | |
2968 | * we need the dev_put() for the netdev to really be freed. | |
2969 | */ | |
2970 | if (!wdev->netdev) | |
2971 | info->user_ptr[1] = NULL; | |
2972 | ||
7f8ed01e | 2973 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
2974 | } |
2975 | ||
1d9d9213 SW |
2976 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
2977 | { | |
2978 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
2979 | struct net_device *dev = info->user_ptr[1]; | |
2980 | u16 noack_map; | |
2981 | ||
2982 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
2983 | return -EINVAL; | |
2984 | ||
2985 | if (!rdev->ops->set_noack_map) | |
2986 | return -EOPNOTSUPP; | |
2987 | ||
2988 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
2989 | ||
e35e4d28 | 2990 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
2991 | } |
2992 | ||
41ade00f JB |
2993 | struct get_key_cookie { |
2994 | struct sk_buff *msg; | |
2995 | int error; | |
b9454e83 | 2996 | int idx; |
41ade00f JB |
2997 | }; |
2998 | ||
2999 | static void get_key_callback(void *c, struct key_params *params) | |
3000 | { | |
b9454e83 | 3001 | struct nlattr *key; |
41ade00f JB |
3002 | struct get_key_cookie *cookie = c; |
3003 | ||
9360ffd1 DM |
3004 | if ((params->key && |
3005 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
3006 | params->key_len, params->key)) || | |
3007 | (params->seq && | |
3008 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
3009 | params->seq_len, params->seq)) || | |
3010 | (params->cipher && | |
3011 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
3012 | params->cipher))) | |
3013 | goto nla_put_failure; | |
41ade00f | 3014 | |
b9454e83 JB |
3015 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
3016 | if (!key) | |
3017 | goto nla_put_failure; | |
3018 | ||
9360ffd1 DM |
3019 | if ((params->key && |
3020 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
3021 | params->key_len, params->key)) || | |
3022 | (params->seq && | |
3023 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
3024 | params->seq_len, params->seq)) || | |
3025 | (params->cipher && | |
3026 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
3027 | params->cipher))) | |
3028 | goto nla_put_failure; | |
b9454e83 | 3029 | |
9360ffd1 DM |
3030 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
3031 | goto nla_put_failure; | |
b9454e83 JB |
3032 | |
3033 | nla_nest_end(cookie->msg, key); | |
3034 | ||
41ade00f JB |
3035 | return; |
3036 | nla_put_failure: | |
3037 | cookie->error = 1; | |
3038 | } | |
3039 | ||
3040 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
3041 | { | |
4c476991 | 3042 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3043 | int err; |
4c476991 | 3044 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3045 | u8 key_idx = 0; |
e31b8213 JB |
3046 | const u8 *mac_addr = NULL; |
3047 | bool pairwise; | |
41ade00f JB |
3048 | struct get_key_cookie cookie = { |
3049 | .error = 0, | |
3050 | }; | |
3051 | void *hdr; | |
3052 | struct sk_buff *msg; | |
3053 | ||
3054 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
3055 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
3056 | ||
3cfcf6ac | 3057 | if (key_idx > 5) |
41ade00f JB |
3058 | return -EINVAL; |
3059 | ||
3060 | if (info->attrs[NL80211_ATTR_MAC]) | |
3061 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3062 | ||
e31b8213 JB |
3063 | pairwise = !!mac_addr; |
3064 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
3065 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
7a087e74 | 3066 | |
e31b8213 JB |
3067 | if (kt >= NUM_NL80211_KEYTYPES) |
3068 | return -EINVAL; | |
3069 | if (kt != NL80211_KEYTYPE_GROUP && | |
3070 | kt != NL80211_KEYTYPE_PAIRWISE) | |
3071 | return -EINVAL; | |
3072 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
3073 | } | |
3074 | ||
4c476991 JB |
3075 | if (!rdev->ops->get_key) |
3076 | return -EOPNOTSUPP; | |
41ade00f | 3077 | |
0fa7b391 JB |
3078 | if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3079 | return -ENOENT; | |
3080 | ||
fd2120ca | 3081 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
3082 | if (!msg) |
3083 | return -ENOMEM; | |
41ade00f | 3084 | |
15e47304 | 3085 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 3086 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 3087 | if (!hdr) |
9fe271af | 3088 | goto nla_put_failure; |
41ade00f JB |
3089 | |
3090 | cookie.msg = msg; | |
b9454e83 | 3091 | cookie.idx = key_idx; |
41ade00f | 3092 | |
9360ffd1 DM |
3093 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3094 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
3095 | goto nla_put_failure; | |
3096 | if (mac_addr && | |
3097 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
3098 | goto nla_put_failure; | |
41ade00f | 3099 | |
e35e4d28 HG |
3100 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
3101 | get_key_callback); | |
41ade00f JB |
3102 | |
3103 | if (err) | |
6c95e2a2 | 3104 | goto free_msg; |
41ade00f JB |
3105 | |
3106 | if (cookie.error) | |
3107 | goto nla_put_failure; | |
3108 | ||
3109 | genlmsg_end(msg, hdr); | |
4c476991 | 3110 | return genlmsg_reply(msg, info); |
41ade00f JB |
3111 | |
3112 | nla_put_failure: | |
3113 | err = -ENOBUFS; | |
6c95e2a2 | 3114 | free_msg: |
41ade00f | 3115 | nlmsg_free(msg); |
41ade00f JB |
3116 | return err; |
3117 | } | |
3118 | ||
3119 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
3120 | { | |
4c476991 | 3121 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 3122 | struct key_parse key; |
41ade00f | 3123 | int err; |
4c476991 | 3124 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3125 | |
b9454e83 JB |
3126 | err = nl80211_parse_key(info, &key); |
3127 | if (err) | |
3128 | return err; | |
41ade00f | 3129 | |
b9454e83 | 3130 | if (key.idx < 0) |
41ade00f JB |
3131 | return -EINVAL; |
3132 | ||
b9454e83 JB |
3133 | /* only support setting default key */ |
3134 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
3135 | return -EINVAL; |
3136 | ||
dbd2fd65 | 3137 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 3138 | |
dbd2fd65 JB |
3139 | if (key.def) { |
3140 | if (!rdev->ops->set_default_key) { | |
3141 | err = -EOPNOTSUPP; | |
3142 | goto out; | |
3143 | } | |
41ade00f | 3144 | |
dbd2fd65 JB |
3145 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
3146 | if (err) | |
3147 | goto out; | |
3148 | ||
e35e4d28 | 3149 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
3150 | key.def_uni, key.def_multi); |
3151 | ||
3152 | if (err) | |
3153 | goto out; | |
fffd0934 | 3154 | |
3d23e349 | 3155 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
3156 | dev->ieee80211_ptr->wext.default_key = key.idx; |
3157 | #endif | |
3158 | } else { | |
3159 | if (key.def_uni || !key.def_multi) { | |
3160 | err = -EINVAL; | |
3161 | goto out; | |
3162 | } | |
3163 | ||
3164 | if (!rdev->ops->set_default_mgmt_key) { | |
3165 | err = -EOPNOTSUPP; | |
3166 | goto out; | |
3167 | } | |
3168 | ||
3169 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3170 | if (err) | |
3171 | goto out; | |
3172 | ||
e35e4d28 | 3173 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
3174 | if (err) |
3175 | goto out; | |
3176 | ||
3177 | #ifdef CONFIG_CFG80211_WEXT | |
3178 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 3179 | #endif |
dbd2fd65 JB |
3180 | } |
3181 | ||
3182 | out: | |
fffd0934 | 3183 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3184 | |
41ade00f JB |
3185 | return err; |
3186 | } | |
3187 | ||
3188 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
3189 | { | |
4c476991 | 3190 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 3191 | int err; |
4c476991 | 3192 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 3193 | struct key_parse key; |
e31b8213 | 3194 | const u8 *mac_addr = NULL; |
41ade00f | 3195 | |
b9454e83 JB |
3196 | err = nl80211_parse_key(info, &key); |
3197 | if (err) | |
3198 | return err; | |
41ade00f | 3199 | |
b9454e83 | 3200 | if (!key.p.key) |
41ade00f JB |
3201 | return -EINVAL; |
3202 | ||
41ade00f JB |
3203 | if (info->attrs[NL80211_ATTR_MAC]) |
3204 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3205 | ||
e31b8213 JB |
3206 | if (key.type == -1) { |
3207 | if (mac_addr) | |
3208 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3209 | else | |
3210 | key.type = NL80211_KEYTYPE_GROUP; | |
3211 | } | |
3212 | ||
3213 | /* for now */ | |
3214 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3215 | key.type != NL80211_KEYTYPE_GROUP) | |
3216 | return -EINVAL; | |
3217 | ||
4c476991 JB |
3218 | if (!rdev->ops->add_key) |
3219 | return -EOPNOTSUPP; | |
25e47c18 | 3220 | |
e31b8213 JB |
3221 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
3222 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3223 | mac_addr)) | |
4c476991 | 3224 | return -EINVAL; |
41ade00f | 3225 | |
fffd0934 JB |
3226 | wdev_lock(dev->ieee80211_ptr); |
3227 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3228 | if (!err) | |
e35e4d28 HG |
3229 | err = rdev_add_key(rdev, dev, key.idx, |
3230 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3231 | mac_addr, &key.p); | |
fffd0934 | 3232 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3233 | |
41ade00f JB |
3234 | return err; |
3235 | } | |
3236 | ||
3237 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
3238 | { | |
4c476991 | 3239 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3240 | int err; |
4c476991 | 3241 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3242 | u8 *mac_addr = NULL; |
b9454e83 | 3243 | struct key_parse key; |
41ade00f | 3244 | |
b9454e83 JB |
3245 | err = nl80211_parse_key(info, &key); |
3246 | if (err) | |
3247 | return err; | |
41ade00f JB |
3248 | |
3249 | if (info->attrs[NL80211_ATTR_MAC]) | |
3250 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3251 | ||
e31b8213 JB |
3252 | if (key.type == -1) { |
3253 | if (mac_addr) | |
3254 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3255 | else | |
3256 | key.type = NL80211_KEYTYPE_GROUP; | |
3257 | } | |
3258 | ||
3259 | /* for now */ | |
3260 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3261 | key.type != NL80211_KEYTYPE_GROUP) | |
3262 | return -EINVAL; | |
3263 | ||
4c476991 JB |
3264 | if (!rdev->ops->del_key) |
3265 | return -EOPNOTSUPP; | |
41ade00f | 3266 | |
fffd0934 JB |
3267 | wdev_lock(dev->ieee80211_ptr); |
3268 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 | 3269 | |
0fa7b391 | 3270 | if (key.type == NL80211_KEYTYPE_GROUP && mac_addr && |
e31b8213 JB |
3271 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3272 | err = -ENOENT; | |
3273 | ||
fffd0934 | 3274 | if (!err) |
e35e4d28 HG |
3275 | err = rdev_del_key(rdev, dev, key.idx, |
3276 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3277 | mac_addr); | |
41ade00f | 3278 | |
3d23e349 | 3279 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 3280 | if (!err) { |
b9454e83 | 3281 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 3282 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 3283 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
3284 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
3285 | } | |
3286 | #endif | |
fffd0934 | 3287 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3288 | |
41ade00f JB |
3289 | return err; |
3290 | } | |
3291 | ||
77765eaf VT |
3292 | /* This function returns an error or the number of nested attributes */ |
3293 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3294 | { | |
3295 | struct nlattr *attr; | |
3296 | int n_entries = 0, tmp; | |
3297 | ||
3298 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3299 | if (nla_len(attr) != ETH_ALEN) | |
3300 | return -EINVAL; | |
3301 | ||
3302 | n_entries++; | |
3303 | } | |
3304 | ||
3305 | return n_entries; | |
3306 | } | |
3307 | ||
3308 | /* | |
3309 | * This function parses ACL information and allocates memory for ACL data. | |
3310 | * On successful return, the calling function is responsible to free the | |
3311 | * ACL buffer returned by this function. | |
3312 | */ | |
3313 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3314 | struct genl_info *info) | |
3315 | { | |
3316 | enum nl80211_acl_policy acl_policy; | |
3317 | struct nlattr *attr; | |
3318 | struct cfg80211_acl_data *acl; | |
3319 | int i = 0, n_entries, tmp; | |
3320 | ||
3321 | if (!wiphy->max_acl_mac_addrs) | |
3322 | return ERR_PTR(-EOPNOTSUPP); | |
3323 | ||
3324 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3325 | return ERR_PTR(-EINVAL); | |
3326 | ||
3327 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3328 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3329 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3330 | return ERR_PTR(-EINVAL); | |
3331 | ||
3332 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3333 | return ERR_PTR(-EINVAL); | |
3334 | ||
3335 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3336 | if (n_entries < 0) | |
3337 | return ERR_PTR(n_entries); | |
3338 | ||
3339 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3340 | return ERR_PTR(-ENOTSUPP); | |
3341 | ||
3342 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3343 | GFP_KERNEL); | |
3344 | if (!acl) | |
3345 | return ERR_PTR(-ENOMEM); | |
3346 | ||
3347 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3348 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3349 | i++; | |
3350 | } | |
3351 | ||
3352 | acl->n_acl_entries = n_entries; | |
3353 | acl->acl_policy = acl_policy; | |
3354 | ||
3355 | return acl; | |
3356 | } | |
3357 | ||
3358 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3359 | { | |
3360 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3361 | struct net_device *dev = info->user_ptr[1]; | |
3362 | struct cfg80211_acl_data *acl; | |
3363 | int err; | |
3364 | ||
3365 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3366 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3367 | return -EOPNOTSUPP; | |
3368 | ||
3369 | if (!dev->ieee80211_ptr->beacon_interval) | |
3370 | return -EINVAL; | |
3371 | ||
3372 | acl = parse_acl_data(&rdev->wiphy, info); | |
3373 | if (IS_ERR(acl)) | |
3374 | return PTR_ERR(acl); | |
3375 | ||
3376 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3377 | ||
3378 | kfree(acl); | |
3379 | ||
3380 | return err; | |
3381 | } | |
3382 | ||
a7c7fbff PK |
3383 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
3384 | u8 *rates, u8 rates_len) | |
3385 | { | |
3386 | u8 i; | |
3387 | u32 mask = 0; | |
3388 | ||
3389 | for (i = 0; i < rates_len; i++) { | |
3390 | int rate = (rates[i] & 0x7f) * 5; | |
3391 | int ridx; | |
3392 | ||
3393 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
3394 | struct ieee80211_rate *srate = | |
3395 | &sband->bitrates[ridx]; | |
3396 | if (rate == srate->bitrate) { | |
3397 | mask |= 1 << ridx; | |
3398 | break; | |
3399 | } | |
3400 | } | |
3401 | if (ridx == sband->n_bitrates) | |
3402 | return 0; /* rate not found */ | |
3403 | } | |
3404 | ||
3405 | return mask; | |
3406 | } | |
3407 | ||
3408 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, | |
3409 | u8 *rates, u8 rates_len, | |
3410 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
3411 | { | |
3412 | u8 i; | |
3413 | ||
3414 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
3415 | ||
3416 | for (i = 0; i < rates_len; i++) { | |
3417 | int ridx, rbit; | |
3418 | ||
3419 | ridx = rates[i] / 8; | |
3420 | rbit = BIT(rates[i] % 8); | |
3421 | ||
3422 | /* check validity */ | |
3423 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) | |
3424 | return false; | |
3425 | ||
3426 | /* check availability */ | |
3427 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
3428 | mcs[ridx] |= rbit; | |
3429 | else | |
3430 | return false; | |
3431 | } | |
3432 | ||
3433 | return true; | |
3434 | } | |
3435 | ||
3436 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) | |
3437 | { | |
3438 | u16 mcs_mask = 0; | |
3439 | ||
3440 | switch (vht_mcs_map) { | |
3441 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
3442 | break; | |
3443 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
3444 | mcs_mask = 0x00FF; | |
3445 | break; | |
3446 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
3447 | mcs_mask = 0x01FF; | |
3448 | break; | |
3449 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
3450 | mcs_mask = 0x03FF; | |
3451 | break; | |
3452 | default: | |
3453 | break; | |
3454 | } | |
3455 | ||
3456 | return mcs_mask; | |
3457 | } | |
3458 | ||
3459 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
3460 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
3461 | { | |
3462 | u8 nss; | |
3463 | ||
3464 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
3465 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
3466 | vht_mcs_map >>= 2; | |
3467 | } | |
3468 | } | |
3469 | ||
3470 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
3471 | struct nl80211_txrate_vht *txrate, | |
3472 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
3473 | { | |
3474 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3475 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
3476 | u8 i; | |
3477 | ||
3478 | if (!sband->vht_cap.vht_supported) | |
3479 | return false; | |
3480 | ||
3481 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
3482 | ||
3483 | /* Build vht_mcs_mask from VHT capabilities */ | |
3484 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
3485 | ||
3486 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
3487 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
3488 | mcs[i] = txrate->mcs[i]; | |
3489 | else | |
3490 | return false; | |
3491 | } | |
3492 | ||
3493 | return true; | |
3494 | } | |
3495 | ||
3496 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { | |
3497 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, | |
3498 | .len = NL80211_MAX_SUPP_RATES }, | |
3499 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, | |
3500 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
3501 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, | |
3502 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, | |
3503 | }; | |
3504 | ||
3505 | static int nl80211_parse_tx_bitrate_mask(struct genl_info *info, | |
3506 | struct cfg80211_bitrate_mask *mask) | |
3507 | { | |
3508 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
3509 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3510 | int rem, i; | |
3511 | struct nlattr *tx_rates; | |
3512 | struct ieee80211_supported_band *sband; | |
3513 | u16 vht_tx_mcs_map; | |
3514 | ||
3515 | memset(mask, 0, sizeof(*mask)); | |
3516 | /* Default to all rates enabled */ | |
3517 | for (i = 0; i < NUM_NL80211_BANDS; i++) { | |
3518 | sband = rdev->wiphy.bands[i]; | |
3519 | ||
3520 | if (!sband) | |
3521 | continue; | |
3522 | ||
3523 | mask->control[i].legacy = (1 << sband->n_bitrates) - 1; | |
3524 | memcpy(mask->control[i].ht_mcs, | |
3525 | sband->ht_cap.mcs.rx_mask, | |
3526 | sizeof(mask->control[i].ht_mcs)); | |
3527 | ||
3528 | if (!sband->vht_cap.vht_supported) | |
3529 | continue; | |
3530 | ||
3531 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3532 | vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs); | |
3533 | } | |
3534 | ||
3535 | /* if no rates are given set it back to the defaults */ | |
3536 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
3537 | goto out; | |
3538 | ||
3539 | /* The nested attribute uses enum nl80211_band as the index. This maps | |
3540 | * directly to the enum nl80211_band values used in cfg80211. | |
3541 | */ | |
3542 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); | |
3543 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { | |
3544 | enum nl80211_band band = nla_type(tx_rates); | |
3545 | int err; | |
3546 | ||
3547 | if (band < 0 || band >= NUM_NL80211_BANDS) | |
3548 | return -EINVAL; | |
3549 | sband = rdev->wiphy.bands[band]; | |
3550 | if (sband == NULL) | |
3551 | return -EINVAL; | |
3552 | err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), | |
3553 | nla_len(tx_rates), nl80211_txattr_policy); | |
3554 | if (err) | |
3555 | return err; | |
3556 | if (tb[NL80211_TXRATE_LEGACY]) { | |
3557 | mask->control[band].legacy = rateset_to_mask( | |
3558 | sband, | |
3559 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
3560 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
3561 | if ((mask->control[band].legacy == 0) && | |
3562 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
3563 | return -EINVAL; | |
3564 | } | |
3565 | if (tb[NL80211_TXRATE_HT]) { | |
3566 | if (!ht_rateset_to_mask( | |
3567 | sband, | |
3568 | nla_data(tb[NL80211_TXRATE_HT]), | |
3569 | nla_len(tb[NL80211_TXRATE_HT]), | |
3570 | mask->control[band].ht_mcs)) | |
3571 | return -EINVAL; | |
3572 | } | |
3573 | if (tb[NL80211_TXRATE_VHT]) { | |
3574 | if (!vht_set_mcs_mask( | |
3575 | sband, | |
3576 | nla_data(tb[NL80211_TXRATE_VHT]), | |
3577 | mask->control[band].vht_mcs)) | |
3578 | return -EINVAL; | |
3579 | } | |
3580 | if (tb[NL80211_TXRATE_GI]) { | |
3581 | mask->control[band].gi = | |
3582 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
3583 | if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
3584 | return -EINVAL; | |
3585 | } | |
3586 | ||
3587 | if (mask->control[band].legacy == 0) { | |
3588 | /* don't allow empty legacy rates if HT or VHT | |
3589 | * are not even supported. | |
3590 | */ | |
3591 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
3592 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
3593 | return -EINVAL; | |
3594 | ||
3595 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
3596 | if (mask->control[band].ht_mcs[i]) | |
3597 | goto out; | |
3598 | ||
3599 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
3600 | if (mask->control[band].vht_mcs[i]) | |
3601 | goto out; | |
3602 | ||
3603 | /* legacy and mcs rates may not be both empty */ | |
3604 | return -EINVAL; | |
3605 | } | |
3606 | } | |
3607 | ||
3608 | out: | |
3609 | return 0; | |
3610 | } | |
3611 | ||
8564e382 JB |
3612 | static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev, |
3613 | enum nl80211_band band, | |
3614 | struct cfg80211_bitrate_mask *beacon_rate) | |
a7c7fbff | 3615 | { |
8564e382 JB |
3616 | u32 count_ht, count_vht, i; |
3617 | u32 rate = beacon_rate->control[band].legacy; | |
a7c7fbff PK |
3618 | |
3619 | /* Allow only one rate */ | |
3620 | if (hweight32(rate) > 1) | |
3621 | return -EINVAL; | |
3622 | ||
3623 | count_ht = 0; | |
3624 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
8564e382 | 3625 | if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) { |
a7c7fbff | 3626 | return -EINVAL; |
8564e382 | 3627 | } else if (beacon_rate->control[band].ht_mcs[i]) { |
a7c7fbff PK |
3628 | count_ht++; |
3629 | if (count_ht > 1) | |
3630 | return -EINVAL; | |
3631 | } | |
3632 | if (count_ht && rate) | |
3633 | return -EINVAL; | |
3634 | } | |
3635 | ||
3636 | count_vht = 0; | |
3637 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
8564e382 | 3638 | if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) { |
a7c7fbff | 3639 | return -EINVAL; |
8564e382 | 3640 | } else if (beacon_rate->control[band].vht_mcs[i]) { |
a7c7fbff PK |
3641 | count_vht++; |
3642 | if (count_vht > 1) | |
3643 | return -EINVAL; | |
3644 | } | |
3645 | if (count_vht && rate) | |
3646 | return -EINVAL; | |
3647 | } | |
3648 | ||
3649 | if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht)) | |
3650 | return -EINVAL; | |
3651 | ||
8564e382 JB |
3652 | if (rate && |
3653 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3654 | NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) | |
3655 | return -EINVAL; | |
3656 | if (count_ht && | |
3657 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3658 | NL80211_EXT_FEATURE_BEACON_RATE_HT)) | |
3659 | return -EINVAL; | |
3660 | if (count_vht && | |
3661 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3662 | NL80211_EXT_FEATURE_BEACON_RATE_VHT)) | |
3663 | return -EINVAL; | |
3664 | ||
a7c7fbff PK |
3665 | return 0; |
3666 | } | |
3667 | ||
a1193be8 | 3668 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3669 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3670 | { |
8860020e | 3671 | bool haveinfo = false; |
ed1b6cc7 | 3672 | |
a1193be8 SW |
3673 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3674 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3675 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3676 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3677 | return -EINVAL; |
3678 | ||
8860020e | 3679 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3680 | |
a1193be8 SW |
3681 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3682 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3683 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3684 | if (!bcn->head_len) |
3685 | return -EINVAL; | |
3686 | haveinfo = true; | |
ed1b6cc7 JB |
3687 | } |
3688 | ||
a1193be8 SW |
3689 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3690 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3691 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3692 | haveinfo = true; |
ed1b6cc7 JB |
3693 | } |
3694 | ||
4c476991 JB |
3695 | if (!haveinfo) |
3696 | return -EINVAL; | |
3b85875a | 3697 | |
a1193be8 SW |
3698 | if (attrs[NL80211_ATTR_IE]) { |
3699 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3700 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3701 | } |
3702 | ||
a1193be8 | 3703 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3704 | bcn->proberesp_ies = |
a1193be8 | 3705 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3706 | bcn->proberesp_ies_len = |
a1193be8 | 3707 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3708 | } |
3709 | ||
a1193be8 | 3710 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3711 | bcn->assocresp_ies = |
a1193be8 | 3712 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3713 | bcn->assocresp_ies_len = |
a1193be8 | 3714 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3715 | } |
3716 | ||
a1193be8 SW |
3717 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3718 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3719 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3720 | } |
3721 | ||
8860020e JB |
3722 | return 0; |
3723 | } | |
3724 | ||
46c1dd0c FF |
3725 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3726 | struct cfg80211_ap_settings *params) | |
3727 | { | |
3728 | struct wireless_dev *wdev; | |
3729 | bool ret = false; | |
3730 | ||
53873f13 | 3731 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
46c1dd0c FF |
3732 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3733 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3734 | continue; | |
3735 | ||
683b6d3b | 3736 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3737 | continue; |
3738 | ||
683b6d3b | 3739 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3740 | ret = true; |
3741 | break; | |
3742 | } | |
3743 | ||
46c1dd0c FF |
3744 | return ret; |
3745 | } | |
3746 | ||
e39e5b5e JM |
3747 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3748 | enum nl80211_auth_type auth_type, | |
3749 | enum nl80211_commands cmd) | |
3750 | { | |
3751 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3752 | return false; | |
3753 | ||
3754 | switch (cmd) { | |
3755 | case NL80211_CMD_AUTHENTICATE: | |
3756 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3757 | auth_type == NL80211_AUTHTYPE_SAE) | |
3758 | return false; | |
3759 | return true; | |
3760 | case NL80211_CMD_CONNECT: | |
3761 | case NL80211_CMD_START_AP: | |
3762 | /* SAE not supported yet */ | |
3763 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3764 | return false; | |
3765 | return true; | |
3766 | default: | |
3767 | return false; | |
3768 | } | |
3769 | } | |
3770 | ||
8860020e JB |
3771 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3772 | { | |
3773 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3774 | struct net_device *dev = info->user_ptr[1]; | |
3775 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3776 | struct cfg80211_ap_settings params; | |
3777 | int err; | |
3778 | ||
3779 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3780 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3781 | return -EOPNOTSUPP; | |
3782 | ||
3783 | if (!rdev->ops->start_ap) | |
3784 | return -EOPNOTSUPP; | |
3785 | ||
3786 | if (wdev->beacon_interval) | |
3787 | return -EALREADY; | |
3788 | ||
3789 | memset(¶ms, 0, sizeof(params)); | |
3790 | ||
3791 | /* these are required for START_AP */ | |
3792 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3793 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3794 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3795 | return -EINVAL; | |
3796 | ||
a1193be8 | 3797 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3798 | if (err) |
3799 | return err; | |
3800 | ||
3801 | params.beacon_interval = | |
3802 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3803 | params.dtim_period = | |
3804 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3805 | ||
3806 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); | |
3807 | if (err) | |
3808 | return err; | |
3809 | ||
3810 | /* | |
3811 | * In theory, some of these attributes should be required here | |
3812 | * but since they were not used when the command was originally | |
3813 | * added, keep them optional for old user space programs to let | |
3814 | * them continue to work with drivers that do not need the | |
3815 | * additional information -- drivers must check! | |
3816 | */ | |
3817 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3818 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3819 | params.ssid_len = | |
3820 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3821 | if (params.ssid_len == 0 || | |
3822 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3823 | return -EINVAL; | |
3824 | } | |
3825 | ||
3826 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3827 | params.hidden_ssid = nla_get_u32( | |
3828 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3829 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3830 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3831 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3832 | return -EINVAL; | |
3833 | } | |
3834 | ||
3835 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3836 | ||
3837 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3838 | params.auth_type = nla_get_u32( | |
3839 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3840 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3841 | NL80211_CMD_START_AP)) | |
8860020e JB |
3842 | return -EINVAL; |
3843 | } else | |
3844 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3845 | ||
3846 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3847 | NL80211_MAX_NR_CIPHER_SUITES); | |
3848 | if (err) | |
3849 | return err; | |
3850 | ||
1b658f11 VT |
3851 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3852 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3853 | return -EOPNOTSUPP; | |
3854 | params.inactivity_timeout = nla_get_u16( | |
3855 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3856 | } | |
3857 | ||
53cabad7 JB |
3858 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3859 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3860 | return -EINVAL; | |
3861 | params.p2p_ctwindow = | |
3862 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3863 | if (params.p2p_ctwindow > 127) | |
3864 | return -EINVAL; | |
3865 | if (params.p2p_ctwindow != 0 && | |
3866 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3867 | return -EINVAL; | |
3868 | } | |
3869 | ||
3870 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3871 | u8 tmp; | |
3872 | ||
3873 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3874 | return -EINVAL; | |
3875 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3876 | if (tmp > 1) | |
3877 | return -EINVAL; | |
3878 | params.p2p_opp_ps = tmp; | |
3879 | if (params.p2p_opp_ps != 0 && | |
3880 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3881 | return -EINVAL; | |
3882 | } | |
3883 | ||
aa430da4 | 3884 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3885 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3886 | if (err) | |
3887 | return err; | |
3888 | } else if (wdev->preset_chandef.chan) { | |
3889 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 3890 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
3891 | return -EINVAL; |
3892 | ||
923b352f AN |
3893 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
3894 | wdev->iftype)) | |
aa430da4 JB |
3895 | return -EINVAL; |
3896 | ||
a7c7fbff PK |
3897 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
3898 | err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate); | |
3899 | if (err) | |
3900 | return err; | |
3901 | ||
8564e382 JB |
3902 | err = validate_beacon_tx_rate(rdev, params.chandef.chan->band, |
3903 | ¶ms.beacon_rate); | |
a7c7fbff PK |
3904 | if (err) |
3905 | return err; | |
3906 | } | |
3907 | ||
18998c38 EP |
3908 | if (info->attrs[NL80211_ATTR_SMPS_MODE]) { |
3909 | params.smps_mode = | |
3910 | nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); | |
3911 | switch (params.smps_mode) { | |
3912 | case NL80211_SMPS_OFF: | |
3913 | break; | |
3914 | case NL80211_SMPS_STATIC: | |
3915 | if (!(rdev->wiphy.features & | |
3916 | NL80211_FEATURE_STATIC_SMPS)) | |
3917 | return -EINVAL; | |
3918 | break; | |
3919 | case NL80211_SMPS_DYNAMIC: | |
3920 | if (!(rdev->wiphy.features & | |
3921 | NL80211_FEATURE_DYNAMIC_SMPS)) | |
3922 | return -EINVAL; | |
3923 | break; | |
3924 | default: | |
3925 | return -EINVAL; | |
3926 | } | |
3927 | } else { | |
3928 | params.smps_mode = NL80211_SMPS_OFF; | |
3929 | } | |
3930 | ||
6e8ef842 PK |
3931 | params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
3932 | if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) | |
3933 | return -EOPNOTSUPP; | |
3934 | ||
4baf6bea OO |
3935 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
3936 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
3937 | if (IS_ERR(params.acl)) | |
3938 | return PTR_ERR(params.acl); | |
3939 | } | |
3940 | ||
c56589ed | 3941 | wdev_lock(wdev); |
e35e4d28 | 3942 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 3943 | if (!err) { |
683b6d3b | 3944 | wdev->preset_chandef = params.chandef; |
8860020e | 3945 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 3946 | wdev->chandef = params.chandef; |
06e191e2 AQ |
3947 | wdev->ssid_len = params.ssid_len; |
3948 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 3949 | } |
c56589ed | 3950 | wdev_unlock(wdev); |
77765eaf VT |
3951 | |
3952 | kfree(params.acl); | |
3953 | ||
56d1893d | 3954 | return err; |
ed1b6cc7 JB |
3955 | } |
3956 | ||
8860020e JB |
3957 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
3958 | { | |
3959 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3960 | struct net_device *dev = info->user_ptr[1]; | |
3961 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3962 | struct cfg80211_beacon_data params; | |
3963 | int err; | |
3964 | ||
3965 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3966 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3967 | return -EOPNOTSUPP; | |
3968 | ||
3969 | if (!rdev->ops->change_beacon) | |
3970 | return -EOPNOTSUPP; | |
3971 | ||
3972 | if (!wdev->beacon_interval) | |
3973 | return -EINVAL; | |
3974 | ||
a1193be8 | 3975 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
3976 | if (err) |
3977 | return err; | |
3978 | ||
c56589ed SW |
3979 | wdev_lock(wdev); |
3980 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
3981 | wdev_unlock(wdev); | |
3982 | ||
3983 | return err; | |
8860020e JB |
3984 | } |
3985 | ||
3986 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 3987 | { |
4c476991 JB |
3988 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3989 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 3990 | |
7c8d5e03 | 3991 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
3992 | } |
3993 | ||
5727ef1b JB |
3994 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
3995 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
3996 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
3997 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 3998 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 3999 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 4000 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
4001 | }; |
4002 | ||
eccb8e8f | 4003 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 4004 | enum nl80211_iftype iftype, |
eccb8e8f | 4005 | struct station_parameters *params) |
5727ef1b JB |
4006 | { |
4007 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 4008 | struct nlattr *nla; |
5727ef1b JB |
4009 | int flag; |
4010 | ||
eccb8e8f JB |
4011 | /* |
4012 | * Try parsing the new attribute first so userspace | |
4013 | * can specify both for older kernels. | |
4014 | */ | |
4015 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
4016 | if (nla) { | |
4017 | struct nl80211_sta_flag_update *sta_flags; | |
4018 | ||
4019 | sta_flags = nla_data(nla); | |
4020 | params->sta_flags_mask = sta_flags->mask; | |
4021 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 4022 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
4023 | if ((params->sta_flags_mask | |
4024 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
4025 | return -EINVAL; | |
4026 | return 0; | |
4027 | } | |
4028 | ||
4029 | /* if present, parse the old attribute */ | |
5727ef1b | 4030 | |
eccb8e8f | 4031 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
4032 | if (!nla) |
4033 | return 0; | |
4034 | ||
4035 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
4036 | nla, sta_flags_policy)) | |
4037 | return -EINVAL; | |
4038 | ||
bdd3ae3d JB |
4039 | /* |
4040 | * Only allow certain flags for interface types so that | |
4041 | * other attributes are silently ignored. Remember that | |
4042 | * this is backward compatibility code with old userspace | |
4043 | * and shouldn't be hit in other cases anyway. | |
4044 | */ | |
4045 | switch (iftype) { | |
4046 | case NL80211_IFTYPE_AP: | |
4047 | case NL80211_IFTYPE_AP_VLAN: | |
4048 | case NL80211_IFTYPE_P2P_GO: | |
4049 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4050 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4051 | BIT(NL80211_STA_FLAG_WME) | | |
4052 | BIT(NL80211_STA_FLAG_MFP); | |
4053 | break; | |
4054 | case NL80211_IFTYPE_P2P_CLIENT: | |
4055 | case NL80211_IFTYPE_STATION: | |
4056 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4057 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4058 | break; | |
4059 | case NL80211_IFTYPE_MESH_POINT: | |
4060 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4061 | BIT(NL80211_STA_FLAG_MFP) | | |
4062 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
4063 | default: | |
4064 | return -EINVAL; | |
4065 | } | |
5727ef1b | 4066 | |
3383b5a6 JB |
4067 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
4068 | if (flags[flag]) { | |
eccb8e8f | 4069 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 4070 | |
3383b5a6 JB |
4071 | /* no longer support new API additions in old API */ |
4072 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
4073 | return -EINVAL; | |
4074 | } | |
4075 | } | |
4076 | ||
5727ef1b JB |
4077 | return 0; |
4078 | } | |
4079 | ||
c8dcfd8a FF |
4080 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
4081 | int attr) | |
4082 | { | |
4083 | struct nlattr *rate; | |
8eb41c8d VK |
4084 | u32 bitrate; |
4085 | u16 bitrate_compat; | |
b51f3bee | 4086 | enum nl80211_attrs rate_flg; |
c8dcfd8a FF |
4087 | |
4088 | rate = nla_nest_start(msg, attr); | |
4089 | if (!rate) | |
db9c64cf | 4090 | return false; |
c8dcfd8a FF |
4091 | |
4092 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
4093 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
4094 | /* report 16-bit bitrate only if we can */ |
4095 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
4096 | if (bitrate > 0 && |
4097 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
4098 | return false; | |
4099 | if (bitrate_compat > 0 && | |
4100 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
4101 | return false; | |
4102 | ||
b51f3bee JB |
4103 | switch (info->bw) { |
4104 | case RATE_INFO_BW_5: | |
4105 | rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH; | |
4106 | break; | |
4107 | case RATE_INFO_BW_10: | |
4108 | rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH; | |
4109 | break; | |
4110 | default: | |
4111 | WARN_ON(1); | |
4112 | /* fall through */ | |
4113 | case RATE_INFO_BW_20: | |
4114 | rate_flg = 0; | |
4115 | break; | |
4116 | case RATE_INFO_BW_40: | |
4117 | rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH; | |
4118 | break; | |
4119 | case RATE_INFO_BW_80: | |
4120 | rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH; | |
4121 | break; | |
4122 | case RATE_INFO_BW_160: | |
4123 | rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH; | |
4124 | break; | |
4125 | } | |
4126 | ||
4127 | if (rate_flg && nla_put_flag(msg, rate_flg)) | |
4128 | return false; | |
4129 | ||
db9c64cf JB |
4130 | if (info->flags & RATE_INFO_FLAGS_MCS) { |
4131 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
4132 | return false; | |
db9c64cf JB |
4133 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4134 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4135 | return false; | |
4136 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
4137 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
4138 | return false; | |
4139 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
4140 | return false; | |
db9c64cf JB |
4141 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4142 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4143 | return false; | |
4144 | } | |
c8dcfd8a FF |
4145 | |
4146 | nla_nest_end(msg, rate); | |
4147 | return true; | |
c8dcfd8a FF |
4148 | } |
4149 | ||
119363c7 FF |
4150 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
4151 | int id) | |
4152 | { | |
4153 | void *attr; | |
4154 | int i = 0; | |
4155 | ||
4156 | if (!mask) | |
4157 | return true; | |
4158 | ||
4159 | attr = nla_nest_start(msg, id); | |
4160 | if (!attr) | |
4161 | return false; | |
4162 | ||
4163 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
4164 | if (!(mask & BIT(i))) | |
4165 | continue; | |
4166 | ||
4167 | if (nla_put_u8(msg, i, signal[i])) | |
4168 | return false; | |
4169 | } | |
4170 | ||
4171 | nla_nest_end(msg, attr); | |
4172 | ||
4173 | return true; | |
4174 | } | |
4175 | ||
cf5ead82 JB |
4176 | static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, |
4177 | u32 seq, int flags, | |
66266b3a JL |
4178 | struct cfg80211_registered_device *rdev, |
4179 | struct net_device *dev, | |
98b62183 | 4180 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
4181 | { |
4182 | void *hdr; | |
f4263c98 | 4183 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 4184 | |
cf5ead82 | 4185 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
fd5b74dc JB |
4186 | if (!hdr) |
4187 | return -1; | |
4188 | ||
9360ffd1 DM |
4189 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4190 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
4191 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
4192 | goto nla_put_failure; | |
f5ea9120 | 4193 | |
2ec600d6 LCC |
4194 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
4195 | if (!sinfoattr) | |
fd5b74dc | 4196 | goto nla_put_failure; |
319090bf JB |
4197 | |
4198 | #define PUT_SINFO(attr, memb, type) do { \ | |
d686b920 | 4199 | BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \ |
739960f1 | 4200 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ |
319090bf JB |
4201 | nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \ |
4202 | sinfo->memb)) \ | |
4203 | goto nla_put_failure; \ | |
4204 | } while (0) | |
d686b920 JB |
4205 | #define PUT_SINFO_U64(attr, memb) do { \ |
4206 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ | |
4207 | nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \ | |
4208 | sinfo->memb, NL80211_STA_INFO_PAD)) \ | |
4209 | goto nla_put_failure; \ | |
4210 | } while (0) | |
319090bf JB |
4211 | |
4212 | PUT_SINFO(CONNECTED_TIME, connected_time, u32); | |
4213 | PUT_SINFO(INACTIVE_TIME, inactive_time, u32); | |
4214 | ||
4215 | if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) | | |
4216 | BIT(NL80211_STA_INFO_RX_BYTES64)) && | |
9360ffd1 | 4217 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 4218 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 4219 | goto nla_put_failure; |
319090bf JB |
4220 | |
4221 | if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) | | |
4222 | BIT(NL80211_STA_INFO_TX_BYTES64)) && | |
9360ffd1 | 4223 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
4224 | (u32)sinfo->tx_bytes)) |
4225 | goto nla_put_failure; | |
319090bf | 4226 | |
d686b920 JB |
4227 | PUT_SINFO_U64(RX_BYTES64, rx_bytes); |
4228 | PUT_SINFO_U64(TX_BYTES64, tx_bytes); | |
319090bf JB |
4229 | PUT_SINFO(LLID, llid, u16); |
4230 | PUT_SINFO(PLID, plid, u16); | |
4231 | PUT_SINFO(PLINK_STATE, plink_state, u8); | |
d686b920 | 4232 | PUT_SINFO_U64(RX_DURATION, rx_duration); |
319090bf | 4233 | |
66266b3a JL |
4234 | switch (rdev->wiphy.signal_type) { |
4235 | case CFG80211_SIGNAL_TYPE_MBM: | |
319090bf JB |
4236 | PUT_SINFO(SIGNAL, signal, u8); |
4237 | PUT_SINFO(SIGNAL_AVG, signal_avg, u8); | |
66266b3a JL |
4238 | break; |
4239 | default: | |
4240 | break; | |
4241 | } | |
319090bf | 4242 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) { |
119363c7 FF |
4243 | if (!nl80211_put_signal(msg, sinfo->chains, |
4244 | sinfo->chain_signal, | |
4245 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
4246 | goto nla_put_failure; | |
4247 | } | |
319090bf | 4248 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) { |
119363c7 FF |
4249 | if (!nl80211_put_signal(msg, sinfo->chains, |
4250 | sinfo->chain_signal_avg, | |
4251 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
4252 | goto nla_put_failure; | |
4253 | } | |
319090bf | 4254 | if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) { |
c8dcfd8a FF |
4255 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
4256 | NL80211_STA_INFO_TX_BITRATE)) | |
4257 | goto nla_put_failure; | |
4258 | } | |
319090bf | 4259 | if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) { |
c8dcfd8a FF |
4260 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, |
4261 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 4262 | goto nla_put_failure; |
420e7fab | 4263 | } |
319090bf JB |
4264 | |
4265 | PUT_SINFO(RX_PACKETS, rx_packets, u32); | |
4266 | PUT_SINFO(TX_PACKETS, tx_packets, u32); | |
4267 | PUT_SINFO(TX_RETRIES, tx_retries, u32); | |
4268 | PUT_SINFO(TX_FAILED, tx_failed, u32); | |
4269 | PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); | |
4270 | PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32); | |
4271 | PUT_SINFO(LOCAL_PM, local_pm, u32); | |
4272 | PUT_SINFO(PEER_PM, peer_pm, u32); | |
4273 | PUT_SINFO(NONPEER_PM, nonpeer_pm, u32); | |
4274 | ||
4275 | if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) { | |
f4263c98 PS |
4276 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); |
4277 | if (!bss_param) | |
4278 | goto nla_put_failure; | |
4279 | ||
9360ffd1 DM |
4280 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
4281 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
4282 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
4283 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
4284 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
4285 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
4286 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
4287 | sinfo->bss_param.dtim_period) || | |
4288 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
4289 | sinfo->bss_param.beacon_interval)) | |
4290 | goto nla_put_failure; | |
f4263c98 PS |
4291 | |
4292 | nla_nest_end(msg, bss_param); | |
4293 | } | |
319090bf | 4294 | if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) && |
9360ffd1 DM |
4295 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, |
4296 | sizeof(struct nl80211_sta_flag_update), | |
4297 | &sinfo->sta_flags)) | |
4298 | goto nla_put_failure; | |
319090bf | 4299 | |
d686b920 JB |
4300 | PUT_SINFO_U64(T_OFFSET, t_offset); |
4301 | PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc); | |
4302 | PUT_SINFO_U64(BEACON_RX, rx_beacon); | |
a76b1942 | 4303 | PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); |
319090bf JB |
4304 | |
4305 | #undef PUT_SINFO | |
d686b920 | 4306 | #undef PUT_SINFO_U64 |
6de39808 JB |
4307 | |
4308 | if (sinfo->filled & BIT(NL80211_STA_INFO_TID_STATS)) { | |
4309 | struct nlattr *tidsattr; | |
4310 | int tid; | |
4311 | ||
4312 | tidsattr = nla_nest_start(msg, NL80211_STA_INFO_TID_STATS); | |
4313 | if (!tidsattr) | |
4314 | goto nla_put_failure; | |
4315 | ||
4316 | for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) { | |
4317 | struct cfg80211_tid_stats *tidstats; | |
4318 | struct nlattr *tidattr; | |
4319 | ||
4320 | tidstats = &sinfo->pertid[tid]; | |
4321 | ||
4322 | if (!tidstats->filled) | |
4323 | continue; | |
4324 | ||
4325 | tidattr = nla_nest_start(msg, tid + 1); | |
4326 | if (!tidattr) | |
4327 | goto nla_put_failure; | |
4328 | ||
d686b920 | 4329 | #define PUT_TIDVAL_U64(attr, memb) do { \ |
6de39808 | 4330 | if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \ |
d686b920 JB |
4331 | nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \ |
4332 | tidstats->memb, NL80211_TID_STATS_PAD)) \ | |
6de39808 JB |
4333 | goto nla_put_failure; \ |
4334 | } while (0) | |
4335 | ||
d686b920 JB |
4336 | PUT_TIDVAL_U64(RX_MSDU, rx_msdu); |
4337 | PUT_TIDVAL_U64(TX_MSDU, tx_msdu); | |
4338 | PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries); | |
4339 | PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed); | |
6de39808 | 4340 | |
d686b920 | 4341 | #undef PUT_TIDVAL_U64 |
6de39808 JB |
4342 | nla_nest_end(msg, tidattr); |
4343 | } | |
4344 | ||
4345 | nla_nest_end(msg, tidsattr); | |
4346 | } | |
4347 | ||
2ec600d6 | 4348 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 4349 | |
319090bf | 4350 | if (sinfo->assoc_req_ies_len && |
9360ffd1 DM |
4351 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
4352 | sinfo->assoc_req_ies)) | |
4353 | goto nla_put_failure; | |
50d3dfb7 | 4354 | |
053c095a JB |
4355 | genlmsg_end(msg, hdr); |
4356 | return 0; | |
fd5b74dc JB |
4357 | |
4358 | nla_put_failure: | |
bc3ed28c TG |
4359 | genlmsg_cancel(msg, hdr); |
4360 | return -EMSGSIZE; | |
fd5b74dc JB |
4361 | } |
4362 | ||
2ec600d6 | 4363 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 4364 | struct netlink_callback *cb) |
2ec600d6 | 4365 | { |
2ec600d6 | 4366 | struct station_info sinfo; |
1b8ec87a | 4367 | struct cfg80211_registered_device *rdev; |
97990a06 | 4368 | struct wireless_dev *wdev; |
2ec600d6 | 4369 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 4370 | int sta_idx = cb->args[2]; |
2ec600d6 | 4371 | int err; |
2ec600d6 | 4372 | |
1b8ec87a | 4373 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
4374 | if (err) |
4375 | return err; | |
bba95fef | 4376 | |
97990a06 JB |
4377 | if (!wdev->netdev) { |
4378 | err = -EINVAL; | |
4379 | goto out_err; | |
4380 | } | |
4381 | ||
1b8ec87a | 4382 | if (!rdev->ops->dump_station) { |
eec60b03 | 4383 | err = -EOPNOTSUPP; |
bba95fef JB |
4384 | goto out_err; |
4385 | } | |
4386 | ||
bba95fef | 4387 | while (1) { |
f612cedf | 4388 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 4389 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
e35e4d28 | 4390 | mac_addr, &sinfo); |
bba95fef JB |
4391 | if (err == -ENOENT) |
4392 | break; | |
4393 | if (err) | |
3b85875a | 4394 | goto out_err; |
bba95fef | 4395 | |
cf5ead82 | 4396 | if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION, |
15e47304 | 4397 | NETLINK_CB(cb->skb).portid, |
bba95fef | 4398 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 4399 | rdev, wdev->netdev, mac_addr, |
bba95fef JB |
4400 | &sinfo) < 0) |
4401 | goto out; | |
4402 | ||
4403 | sta_idx++; | |
4404 | } | |
4405 | ||
bba95fef | 4406 | out: |
97990a06 | 4407 | cb->args[2] = sta_idx; |
bba95fef | 4408 | err = skb->len; |
bba95fef | 4409 | out_err: |
1b8ec87a | 4410 | nl80211_finish_wdev_dump(rdev); |
bba95fef JB |
4411 | |
4412 | return err; | |
2ec600d6 | 4413 | } |
fd5b74dc | 4414 | |
5727ef1b JB |
4415 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
4416 | { | |
4c476991 JB |
4417 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4418 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 4419 | struct station_info sinfo; |
fd5b74dc JB |
4420 | struct sk_buff *msg; |
4421 | u8 *mac_addr = NULL; | |
4c476991 | 4422 | int err; |
fd5b74dc | 4423 | |
2ec600d6 | 4424 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
4425 | |
4426 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4427 | return -EINVAL; | |
4428 | ||
4429 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4430 | ||
4c476991 JB |
4431 | if (!rdev->ops->get_station) |
4432 | return -EOPNOTSUPP; | |
3b85875a | 4433 | |
e35e4d28 | 4434 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 4435 | if (err) |
4c476991 | 4436 | return err; |
2ec600d6 | 4437 | |
fd2120ca | 4438 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 4439 | if (!msg) |
4c476991 | 4440 | return -ENOMEM; |
fd5b74dc | 4441 | |
cf5ead82 JB |
4442 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, |
4443 | info->snd_portid, info->snd_seq, 0, | |
66266b3a | 4444 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
4445 | nlmsg_free(msg); |
4446 | return -ENOBUFS; | |
4447 | } | |
3b85875a | 4448 | |
4c476991 | 4449 | return genlmsg_reply(msg, info); |
5727ef1b JB |
4450 | } |
4451 | ||
77ee7c89 JB |
4452 | int cfg80211_check_station_change(struct wiphy *wiphy, |
4453 | struct station_parameters *params, | |
4454 | enum cfg80211_station_type statype) | |
4455 | { | |
e4208427 AB |
4456 | if (params->listen_interval != -1 && |
4457 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 | 4458 | return -EINVAL; |
e4208427 | 4459 | |
17b94247 AB |
4460 | if (params->support_p2p_ps != -1 && |
4461 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
4462 | return -EINVAL; | |
4463 | ||
c72e1140 | 4464 | if (params->aid && |
e4208427 AB |
4465 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && |
4466 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 JB |
4467 | return -EINVAL; |
4468 | ||
4469 | /* When you run into this, adjust the code below for the new flag */ | |
4470 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4471 | ||
4472 | switch (statype) { | |
eef941e6 TP |
4473 | case CFG80211_STA_MESH_PEER_KERNEL: |
4474 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
4475 | /* |
4476 | * No ignoring the TDLS flag here -- the userspace mesh | |
4477 | * code doesn't have the bug of including TDLS in the | |
4478 | * mask everywhere. | |
4479 | */ | |
4480 | if (params->sta_flags_mask & | |
4481 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4482 | BIT(NL80211_STA_FLAG_MFP) | | |
4483 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4484 | return -EINVAL; | |
4485 | break; | |
4486 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4487 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4488 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4489 | return -EINVAL; | |
4490 | /* ignore since it can't change */ | |
4491 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4492 | break; | |
4493 | default: | |
4494 | /* disallow mesh-specific things */ | |
4495 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
4496 | return -EINVAL; | |
4497 | if (params->local_pm) | |
4498 | return -EINVAL; | |
4499 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
4500 | return -EINVAL; | |
4501 | } | |
4502 | ||
4503 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
4504 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
4505 | /* TDLS can't be set, ... */ | |
4506 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4507 | return -EINVAL; | |
4508 | /* | |
4509 | * ... but don't bother the driver with it. This works around | |
4510 | * a hostapd/wpa_supplicant issue -- it always includes the | |
4511 | * TLDS_PEER flag in the mask even for AP mode. | |
4512 | */ | |
4513 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4514 | } | |
4515 | ||
47edb11b AB |
4516 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && |
4517 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4518 | /* reject other things that can't change */ |
4519 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
4520 | return -EINVAL; | |
4521 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
4522 | return -EINVAL; | |
4523 | if (params->supported_rates) | |
4524 | return -EINVAL; | |
4525 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
4526 | return -EINVAL; | |
4527 | } | |
4528 | ||
47edb11b AB |
4529 | if (statype != CFG80211_STA_AP_CLIENT && |
4530 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4531 | if (params->vlan) |
4532 | return -EINVAL; | |
4533 | } | |
4534 | ||
4535 | switch (statype) { | |
4536 | case CFG80211_STA_AP_MLME_CLIENT: | |
4537 | /* Use this only for authorizing/unauthorizing a station */ | |
4538 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4539 | return -EOPNOTSUPP; | |
4540 | break; | |
4541 | case CFG80211_STA_AP_CLIENT: | |
47edb11b | 4542 | case CFG80211_STA_AP_CLIENT_UNASSOC: |
77ee7c89 JB |
4543 | /* accept only the listed bits */ |
4544 | if (params->sta_flags_mask & | |
4545 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4546 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4547 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4548 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4549 | BIT(NL80211_STA_FLAG_WME) | | |
4550 | BIT(NL80211_STA_FLAG_MFP))) | |
4551 | return -EINVAL; | |
4552 | ||
4553 | /* but authenticated/associated only if driver handles it */ | |
4554 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4555 | params->sta_flags_mask & | |
4556 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4557 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4558 | return -EINVAL; | |
4559 | break; | |
4560 | case CFG80211_STA_IBSS: | |
4561 | case CFG80211_STA_AP_STA: | |
4562 | /* reject any changes other than AUTHORIZED */ | |
4563 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4564 | return -EINVAL; | |
4565 | break; | |
4566 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4567 | /* reject any changes other than AUTHORIZED or WME */ | |
4568 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4569 | BIT(NL80211_STA_FLAG_WME))) | |
4570 | return -EINVAL; | |
4571 | /* force (at least) rates when authorizing */ | |
4572 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
4573 | !params->supported_rates) | |
4574 | return -EINVAL; | |
4575 | break; | |
4576 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4577 | /* reject any changes */ | |
4578 | return -EINVAL; | |
eef941e6 | 4579 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
4580 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
4581 | return -EINVAL; | |
4582 | break; | |
eef941e6 | 4583 | case CFG80211_STA_MESH_PEER_USER: |
42925040 CYY |
4584 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION && |
4585 | params->plink_action != NL80211_PLINK_ACTION_BLOCK) | |
77ee7c89 JB |
4586 | return -EINVAL; |
4587 | break; | |
4588 | } | |
4589 | ||
4590 | return 0; | |
4591 | } | |
4592 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
4593 | ||
5727ef1b | 4594 | /* |
c258d2de | 4595 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 4596 | */ |
80b99899 JB |
4597 | static struct net_device *get_vlan(struct genl_info *info, |
4598 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 4599 | { |
463d0183 | 4600 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
4601 | struct net_device *v; |
4602 | int ret; | |
4603 | ||
4604 | if (!vlanattr) | |
4605 | return NULL; | |
4606 | ||
4607 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
4608 | if (!v) | |
4609 | return ERR_PTR(-ENODEV); | |
4610 | ||
4611 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
4612 | ret = -EINVAL; | |
4613 | goto error; | |
5727ef1b | 4614 | } |
80b99899 | 4615 | |
77ee7c89 JB |
4616 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
4617 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4618 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
4619 | ret = -EINVAL; | |
4620 | goto error; | |
4621 | } | |
4622 | ||
80b99899 JB |
4623 | if (!netif_running(v)) { |
4624 | ret = -ENETDOWN; | |
4625 | goto error; | |
4626 | } | |
4627 | ||
4628 | return v; | |
4629 | error: | |
4630 | dev_put(v); | |
4631 | return ERR_PTR(ret); | |
5727ef1b JB |
4632 | } |
4633 | ||
94e860f1 JB |
4634 | static const struct nla_policy |
4635 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
4636 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
4637 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
4638 | }; | |
4639 | ||
ff276691 JB |
4640 | static int nl80211_parse_sta_wme(struct genl_info *info, |
4641 | struct station_parameters *params) | |
df881293 | 4642 | { |
df881293 JM |
4643 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
4644 | struct nlattr *nla; | |
4645 | int err; | |
4646 | ||
df881293 JM |
4647 | /* parse WME attributes if present */ |
4648 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
4649 | return 0; | |
4650 | ||
4651 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4652 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
4653 | nl80211_sta_wme_policy); | |
4654 | if (err) | |
4655 | return err; | |
4656 | ||
4657 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4658 | params->uapsd_queues = nla_get_u8( | |
4659 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4660 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4661 | return -EINVAL; | |
4662 | ||
4663 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4664 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4665 | ||
4666 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4667 | return -EINVAL; | |
4668 | ||
4669 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4670 | ||
4671 | return 0; | |
4672 | } | |
4673 | ||
c01fc9ad SD |
4674 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4675 | struct station_parameters *params) | |
4676 | { | |
4677 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4678 | params->supported_channels = | |
4679 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4680 | params->supported_channels_len = | |
4681 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4682 | /* | |
4683 | * Need to include at least one (first channel, number of | |
4684 | * channels) tuple for each subband, and must have proper | |
4685 | * tuples for the rest of the data as well. | |
4686 | */ | |
4687 | if (params->supported_channels_len < 2) | |
4688 | return -EINVAL; | |
4689 | if (params->supported_channels_len % 2) | |
4690 | return -EINVAL; | |
4691 | } | |
4692 | ||
4693 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4694 | params->supported_oper_classes = | |
4695 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4696 | params->supported_oper_classes_len = | |
4697 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4698 | /* | |
4699 | * The value of the Length field of the Supported Operating | |
4700 | * Classes element is between 2 and 253. | |
4701 | */ | |
4702 | if (params->supported_oper_classes_len < 2 || | |
4703 | params->supported_oper_classes_len > 253) | |
4704 | return -EINVAL; | |
4705 | } | |
4706 | return 0; | |
4707 | } | |
4708 | ||
ff276691 JB |
4709 | static int nl80211_set_station_tdls(struct genl_info *info, |
4710 | struct station_parameters *params) | |
4711 | { | |
c01fc9ad | 4712 | int err; |
ff276691 | 4713 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4714 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4715 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4716 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4717 | params->ht_capa = | |
4718 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4719 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4720 | params->vht_capa = | |
4721 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4722 | ||
c01fc9ad SD |
4723 | err = nl80211_parse_sta_channel_info(info, params); |
4724 | if (err) | |
4725 | return err; | |
4726 | ||
ff276691 JB |
4727 | return nl80211_parse_sta_wme(info, params); |
4728 | } | |
4729 | ||
5727ef1b JB |
4730 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4731 | { | |
4c476991 | 4732 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4733 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4734 | struct station_parameters params; |
77ee7c89 JB |
4735 | u8 *mac_addr; |
4736 | int err; | |
5727ef1b JB |
4737 | |
4738 | memset(¶ms, 0, sizeof(params)); | |
4739 | ||
77ee7c89 JB |
4740 | if (!rdev->ops->change_station) |
4741 | return -EOPNOTSUPP; | |
4742 | ||
e4208427 AB |
4743 | /* |
4744 | * AID and listen_interval properties can be set only for unassociated | |
4745 | * station. Include these parameters here and will check them in | |
4746 | * cfg80211_check_station_change(). | |
4747 | */ | |
a9bc31e4 AB |
4748 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4749 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
e4208427 AB |
4750 | |
4751 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
4752 | params.listen_interval = | |
4753 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
4754 | else | |
4755 | params.listen_interval = -1; | |
5727ef1b | 4756 | |
17b94247 AB |
4757 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4758 | u8 tmp; | |
4759 | ||
4760 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4761 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
4762 | return -EINVAL; | |
4763 | ||
4764 | params.support_p2p_ps = tmp; | |
4765 | } else { | |
4766 | params.support_p2p_ps = -1; | |
4767 | } | |
4768 | ||
5727ef1b JB |
4769 | if (!info->attrs[NL80211_ATTR_MAC]) |
4770 | return -EINVAL; | |
4771 | ||
4772 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4773 | ||
4774 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4775 | params.supported_rates = | |
4776 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4777 | params.supported_rates_len = | |
4778 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4779 | } | |
4780 | ||
9d62a986 JM |
4781 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4782 | params.capability = | |
4783 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4784 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4785 | } | |
4786 | ||
4787 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4788 | params.ext_capab = | |
4789 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4790 | params.ext_capab_len = | |
4791 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4792 | } | |
4793 | ||
bdd3ae3d | 4794 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4795 | return -EINVAL; |
4796 | ||
f8bacc21 | 4797 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4798 | params.plink_action = |
f8bacc21 JB |
4799 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4800 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4801 | return -EINVAL; | |
4802 | } | |
2ec600d6 | 4803 | |
f8bacc21 | 4804 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4805 | params.plink_state = |
f8bacc21 JB |
4806 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4807 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4808 | return -EINVAL; | |
7d27a0ba MH |
4809 | if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) { |
4810 | params.peer_aid = nla_get_u16( | |
4811 | info->attrs[NL80211_ATTR_MESH_PEER_AID]); | |
4812 | if (params.peer_aid > IEEE80211_MAX_AID) | |
4813 | return -EINVAL; | |
4814 | } | |
f8bacc21 JB |
4815 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; |
4816 | } | |
9c3990aa | 4817 | |
3b1c5a53 MP |
4818 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4819 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4820 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4821 | ||
4822 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4823 | pm > NL80211_MESH_POWER_MAX) | |
4824 | return -EINVAL; | |
4825 | ||
4826 | params.local_pm = pm; | |
4827 | } | |
4828 | ||
77ee7c89 JB |
4829 | /* Include parameters for TDLS peer (will check later) */ |
4830 | err = nl80211_set_station_tdls(info, ¶ms); | |
4831 | if (err) | |
4832 | return err; | |
4833 | ||
4834 | params.vlan = get_vlan(info, rdev); | |
4835 | if (IS_ERR(params.vlan)) | |
4836 | return PTR_ERR(params.vlan); | |
4837 | ||
a97f4424 JB |
4838 | switch (dev->ieee80211_ptr->iftype) { |
4839 | case NL80211_IFTYPE_AP: | |
4840 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4841 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4842 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4843 | case NL80211_IFTYPE_STATION: |
267335d6 | 4844 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4845 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4846 | break; |
4847 | default: | |
77ee7c89 JB |
4848 | err = -EOPNOTSUPP; |
4849 | goto out_put_vlan; | |
034d655e JB |
4850 | } |
4851 | ||
77ee7c89 | 4852 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4853 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4854 | |
77ee7c89 | 4855 | out_put_vlan: |
5727ef1b JB |
4856 | if (params.vlan) |
4857 | dev_put(params.vlan); | |
3b85875a | 4858 | |
5727ef1b JB |
4859 | return err; |
4860 | } | |
4861 | ||
4862 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4863 | { | |
4c476991 | 4864 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4865 | int err; |
4c476991 | 4866 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4867 | struct station_parameters params; |
4868 | u8 *mac_addr = NULL; | |
bda95eb1 JB |
4869 | u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
4870 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
5727ef1b JB |
4871 | |
4872 | memset(¶ms, 0, sizeof(params)); | |
4873 | ||
984c311b JB |
4874 | if (!rdev->ops->add_station) |
4875 | return -EOPNOTSUPP; | |
4876 | ||
5727ef1b JB |
4877 | if (!info->attrs[NL80211_ATTR_MAC]) |
4878 | return -EINVAL; | |
4879 | ||
5727ef1b JB |
4880 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
4881 | return -EINVAL; | |
4882 | ||
4883 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
4884 | return -EINVAL; | |
4885 | ||
5e4b6f56 JM |
4886 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
4887 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
4888 | return -EINVAL; |
4889 | ||
5727ef1b JB |
4890 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
4891 | params.supported_rates = | |
4892 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4893 | params.supported_rates_len = | |
4894 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4895 | params.listen_interval = | |
4896 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 4897 | |
17b94247 AB |
4898 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4899 | u8 tmp; | |
4900 | ||
4901 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4902 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
4903 | return -EINVAL; | |
4904 | ||
4905 | params.support_p2p_ps = tmp; | |
4906 | } else { | |
4907 | /* | |
4908 | * if not specified, assume it's supported for P2P GO interface, | |
4909 | * and is NOT supported for AP interface | |
4910 | */ | |
4911 | params.support_p2p_ps = | |
4912 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO; | |
4913 | } | |
4914 | ||
3d124ea2 | 4915 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 4916 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
4917 | else |
4918 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
4919 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
4920 | return -EINVAL; | |
51b50fbe | 4921 | |
9d62a986 JM |
4922 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4923 | params.capability = | |
4924 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4925 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4926 | } | |
4927 | ||
4928 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4929 | params.ext_capab = | |
4930 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4931 | params.ext_capab_len = | |
4932 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4933 | } | |
4934 | ||
36aedc90 JM |
4935 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4936 | params.ht_capa = | |
4937 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 4938 | |
f461be3e MP |
4939 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
4940 | params.vht_capa = | |
4941 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4942 | ||
60f4a7b1 MK |
4943 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4944 | params.opmode_notif_used = true; | |
4945 | params.opmode_notif = | |
4946 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4947 | } | |
4948 | ||
f8bacc21 | 4949 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 4950 | params.plink_action = |
f8bacc21 JB |
4951 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4952 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4953 | return -EINVAL; | |
4954 | } | |
96b78dff | 4955 | |
c01fc9ad SD |
4956 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
4957 | if (err) | |
4958 | return err; | |
4959 | ||
ff276691 JB |
4960 | err = nl80211_parse_sta_wme(info, ¶ms); |
4961 | if (err) | |
4962 | return err; | |
bdd90d5e | 4963 | |
bdd3ae3d | 4964 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4965 | return -EINVAL; |
4966 | ||
496fcc29 JB |
4967 | /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT |
4968 | * as userspace might just pass through the capabilities from the IEs | |
4969 | * directly, rather than enforcing this restriction and returning an | |
4970 | * error in this case. | |
4971 | */ | |
4972 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) { | |
4973 | params.ht_capa = NULL; | |
4974 | params.vht_capa = NULL; | |
4975 | } | |
4976 | ||
77ee7c89 JB |
4977 | /* When you run into this, adjust the code below for the new flag */ |
4978 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4979 | ||
bdd90d5e JB |
4980 | switch (dev->ieee80211_ptr->iftype) { |
4981 | case NL80211_IFTYPE_AP: | |
4982 | case NL80211_IFTYPE_AP_VLAN: | |
4983 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
4984 | /* ignore WME attributes if iface/sta is not capable */ |
4985 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
4986 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
4987 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 4988 | |
bdd90d5e | 4989 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
4990 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
4991 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 4992 | return -EINVAL; |
bdd90d5e JB |
4993 | /* but don't bother the driver with it */ |
4994 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 4995 | |
d582cffb JB |
4996 | /* allow authenticated/associated only if driver handles it */ |
4997 | if (!(rdev->wiphy.features & | |
4998 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
bda95eb1 | 4999 | params.sta_flags_mask & auth_assoc) |
d582cffb JB |
5000 | return -EINVAL; |
5001 | ||
bda95eb1 JB |
5002 | /* Older userspace, or userspace wanting to be compatible with |
5003 | * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth | |
5004 | * and assoc flags in the mask, but assumes the station will be | |
5005 | * added as associated anyway since this was the required driver | |
5006 | * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was | |
5007 | * introduced. | |
5008 | * In order to not bother drivers with this quirk in the API | |
5009 | * set the flags in both the mask and set for new stations in | |
5010 | * this case. | |
5011 | */ | |
5012 | if (!(params.sta_flags_mask & auth_assoc)) { | |
5013 | params.sta_flags_mask |= auth_assoc; | |
5014 | params.sta_flags_set |= auth_assoc; | |
5015 | } | |
5016 | ||
bdd90d5e JB |
5017 | /* must be last in here for error handling */ |
5018 | params.vlan = get_vlan(info, rdev); | |
5019 | if (IS_ERR(params.vlan)) | |
5020 | return PTR_ERR(params.vlan); | |
5021 | break; | |
5022 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
5023 | /* ignore uAPSD data */ |
5024 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5025 | ||
d582cffb JB |
5026 | /* associated is disallowed */ |
5027 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
5028 | return -EINVAL; | |
bdd90d5e | 5029 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5030 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5031 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
5032 | return -EINVAL; |
5033 | break; | |
5034 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 5035 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
5036 | /* ignore uAPSD data */ |
5037 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5038 | ||
77ee7c89 JB |
5039 | /* these are disallowed */ |
5040 | if (params.sta_flags_mask & | |
5041 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
5042 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 5043 | return -EINVAL; |
bdd90d5e JB |
5044 | /* Only TDLS peers can be added */ |
5045 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
5046 | return -EINVAL; | |
5047 | /* Can only add if TDLS ... */ | |
5048 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
5049 | return -EOPNOTSUPP; | |
5050 | /* ... with external setup is supported */ | |
5051 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
5052 | return -EOPNOTSUPP; | |
77ee7c89 JB |
5053 | /* |
5054 | * Older wpa_supplicant versions always mark the TDLS peer | |
5055 | * as authorized, but it shouldn't yet be. | |
5056 | */ | |
5057 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
5058 | break; |
5059 | default: | |
5060 | return -EOPNOTSUPP; | |
c75786c9 EP |
5061 | } |
5062 | ||
bdd90d5e | 5063 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 5064 | |
e35e4d28 | 5065 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 5066 | |
5727ef1b JB |
5067 | if (params.vlan) |
5068 | dev_put(params.vlan); | |
5727ef1b JB |
5069 | return err; |
5070 | } | |
5071 | ||
5072 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
5073 | { | |
4c476991 JB |
5074 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5075 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
5076 | struct station_del_parameters params; |
5077 | ||
5078 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
5079 | |
5080 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 5081 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 5082 | |
e80cf853 | 5083 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 5084 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 5085 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5086 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5087 | return -EINVAL; | |
5727ef1b | 5088 | |
4c476991 JB |
5089 | if (!rdev->ops->del_station) |
5090 | return -EOPNOTSUPP; | |
3b85875a | 5091 | |
98856866 JM |
5092 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
5093 | params.subtype = | |
5094 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
5095 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
5096 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
5097 | return -EINVAL; | |
5098 | } else { | |
5099 | /* Default to Deauthentication frame */ | |
5100 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
5101 | } | |
5102 | ||
5103 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
5104 | params.reason_code = | |
5105 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
5106 | if (params.reason_code == 0) | |
5107 | return -EINVAL; /* 0 is reserved */ | |
5108 | } else { | |
5109 | /* Default to reason code 2 */ | |
5110 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
5111 | } | |
5112 | ||
89c771e5 | 5113 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
5114 | } |
5115 | ||
15e47304 | 5116 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
5117 | int flags, struct net_device *dev, |
5118 | u8 *dst, u8 *next_hop, | |
5119 | struct mpath_info *pinfo) | |
5120 | { | |
5121 | void *hdr; | |
5122 | struct nlattr *pinfoattr; | |
5123 | ||
1ef4c850 | 5124 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
5125 | if (!hdr) |
5126 | return -1; | |
5127 | ||
9360ffd1 DM |
5128 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5129 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
5130 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
5131 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
5132 | goto nla_put_failure; | |
f5ea9120 | 5133 | |
2ec600d6 LCC |
5134 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
5135 | if (!pinfoattr) | |
5136 | goto nla_put_failure; | |
9360ffd1 DM |
5137 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
5138 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
5139 | pinfo->frame_qlen)) | |
5140 | goto nla_put_failure; | |
5141 | if (((pinfo->filled & MPATH_INFO_SN) && | |
5142 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
5143 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
5144 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
5145 | pinfo->metric)) || | |
5146 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
5147 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
5148 | pinfo->exptime)) || | |
5149 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
5150 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
5151 | pinfo->flags)) || | |
5152 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
5153 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
5154 | pinfo->discovery_timeout)) || | |
5155 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
5156 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
5157 | pinfo->discovery_retries))) | |
5158 | goto nla_put_failure; | |
2ec600d6 LCC |
5159 | |
5160 | nla_nest_end(msg, pinfoattr); | |
5161 | ||
053c095a JB |
5162 | genlmsg_end(msg, hdr); |
5163 | return 0; | |
2ec600d6 LCC |
5164 | |
5165 | nla_put_failure: | |
bc3ed28c TG |
5166 | genlmsg_cancel(msg, hdr); |
5167 | return -EMSGSIZE; | |
2ec600d6 LCC |
5168 | } |
5169 | ||
5170 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 5171 | struct netlink_callback *cb) |
2ec600d6 | 5172 | { |
2ec600d6 | 5173 | struct mpath_info pinfo; |
1b8ec87a | 5174 | struct cfg80211_registered_device *rdev; |
97990a06 | 5175 | struct wireless_dev *wdev; |
2ec600d6 LCC |
5176 | u8 dst[ETH_ALEN]; |
5177 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 5178 | int path_idx = cb->args[2]; |
2ec600d6 | 5179 | int err; |
2ec600d6 | 5180 | |
1b8ec87a | 5181 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
5182 | if (err) |
5183 | return err; | |
bba95fef | 5184 | |
1b8ec87a | 5185 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 5186 | err = -EOPNOTSUPP; |
bba95fef JB |
5187 | goto out_err; |
5188 | } | |
5189 | ||
97990a06 | 5190 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 5191 | err = -EOPNOTSUPP; |
0448b5fc | 5192 | goto out_err; |
eec60b03 JM |
5193 | } |
5194 | ||
bba95fef | 5195 | while (1) { |
1b8ec87a | 5196 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 5197 | next_hop, &pinfo); |
bba95fef | 5198 | if (err == -ENOENT) |
2ec600d6 | 5199 | break; |
bba95fef | 5200 | if (err) |
3b85875a | 5201 | goto out_err; |
2ec600d6 | 5202 | |
15e47304 | 5203 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 5204 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 5205 | wdev->netdev, dst, next_hop, |
bba95fef JB |
5206 | &pinfo) < 0) |
5207 | goto out; | |
2ec600d6 | 5208 | |
bba95fef | 5209 | path_idx++; |
2ec600d6 | 5210 | } |
2ec600d6 | 5211 | |
bba95fef | 5212 | out: |
97990a06 | 5213 | cb->args[2] = path_idx; |
bba95fef | 5214 | err = skb->len; |
bba95fef | 5215 | out_err: |
1b8ec87a | 5216 | nl80211_finish_wdev_dump(rdev); |
bba95fef | 5217 | return err; |
2ec600d6 LCC |
5218 | } |
5219 | ||
5220 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
5221 | { | |
4c476991 | 5222 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 5223 | int err; |
4c476991 | 5224 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
5225 | struct mpath_info pinfo; |
5226 | struct sk_buff *msg; | |
5227 | u8 *dst = NULL; | |
5228 | u8 next_hop[ETH_ALEN]; | |
5229 | ||
5230 | memset(&pinfo, 0, sizeof(pinfo)); | |
5231 | ||
5232 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5233 | return -EINVAL; | |
5234 | ||
5235 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5236 | ||
4c476991 JB |
5237 | if (!rdev->ops->get_mpath) |
5238 | return -EOPNOTSUPP; | |
2ec600d6 | 5239 | |
4c476991 JB |
5240 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5241 | return -EOPNOTSUPP; | |
eec60b03 | 5242 | |
e35e4d28 | 5243 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 5244 | if (err) |
4c476991 | 5245 | return err; |
2ec600d6 | 5246 | |
fd2120ca | 5247 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 5248 | if (!msg) |
4c476991 | 5249 | return -ENOMEM; |
2ec600d6 | 5250 | |
15e47304 | 5251 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
5252 | dev, dst, next_hop, &pinfo) < 0) { |
5253 | nlmsg_free(msg); | |
5254 | return -ENOBUFS; | |
5255 | } | |
3b85875a | 5256 | |
4c476991 | 5257 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
5258 | } |
5259 | ||
5260 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
5261 | { | |
4c476991 JB |
5262 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5263 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5264 | u8 *dst = NULL; |
5265 | u8 *next_hop = NULL; | |
5266 | ||
5267 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5268 | return -EINVAL; | |
5269 | ||
5270 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5271 | return -EINVAL; | |
5272 | ||
5273 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5274 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5275 | ||
4c476991 JB |
5276 | if (!rdev->ops->change_mpath) |
5277 | return -EOPNOTSUPP; | |
35a8efe1 | 5278 | |
4c476991 JB |
5279 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5280 | return -EOPNOTSUPP; | |
2ec600d6 | 5281 | |
e35e4d28 | 5282 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 5283 | } |
4c476991 | 5284 | |
2ec600d6 LCC |
5285 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
5286 | { | |
4c476991 JB |
5287 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5288 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5289 | u8 *dst = NULL; |
5290 | u8 *next_hop = NULL; | |
5291 | ||
5292 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5293 | return -EINVAL; | |
5294 | ||
5295 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5296 | return -EINVAL; | |
5297 | ||
5298 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5299 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5300 | ||
4c476991 JB |
5301 | if (!rdev->ops->add_mpath) |
5302 | return -EOPNOTSUPP; | |
35a8efe1 | 5303 | |
4c476991 JB |
5304 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5305 | return -EOPNOTSUPP; | |
2ec600d6 | 5306 | |
e35e4d28 | 5307 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
5308 | } |
5309 | ||
5310 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
5311 | { | |
4c476991 JB |
5312 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5313 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5314 | u8 *dst = NULL; |
5315 | ||
5316 | if (info->attrs[NL80211_ATTR_MAC]) | |
5317 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5318 | ||
4c476991 JB |
5319 | if (!rdev->ops->del_mpath) |
5320 | return -EOPNOTSUPP; | |
3b85875a | 5321 | |
e35e4d28 | 5322 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
5323 | } |
5324 | ||
66be7d2b HR |
5325 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
5326 | { | |
5327 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5328 | int err; | |
5329 | struct net_device *dev = info->user_ptr[1]; | |
5330 | struct mpath_info pinfo; | |
5331 | struct sk_buff *msg; | |
5332 | u8 *dst = NULL; | |
5333 | u8 mpp[ETH_ALEN]; | |
5334 | ||
5335 | memset(&pinfo, 0, sizeof(pinfo)); | |
5336 | ||
5337 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5338 | return -EINVAL; | |
5339 | ||
5340 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5341 | ||
5342 | if (!rdev->ops->get_mpp) | |
5343 | return -EOPNOTSUPP; | |
5344 | ||
5345 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
5346 | return -EOPNOTSUPP; | |
5347 | ||
5348 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
5349 | if (err) | |
5350 | return err; | |
5351 | ||
5352 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5353 | if (!msg) | |
5354 | return -ENOMEM; | |
5355 | ||
5356 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
5357 | dev, dst, mpp, &pinfo) < 0) { | |
5358 | nlmsg_free(msg); | |
5359 | return -ENOBUFS; | |
5360 | } | |
5361 | ||
5362 | return genlmsg_reply(msg, info); | |
5363 | } | |
5364 | ||
5365 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
5366 | struct netlink_callback *cb) | |
5367 | { | |
5368 | struct mpath_info pinfo; | |
5369 | struct cfg80211_registered_device *rdev; | |
5370 | struct wireless_dev *wdev; | |
5371 | u8 dst[ETH_ALEN]; | |
5372 | u8 mpp[ETH_ALEN]; | |
5373 | int path_idx = cb->args[2]; | |
5374 | int err; | |
5375 | ||
5376 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); | |
5377 | if (err) | |
5378 | return err; | |
5379 | ||
5380 | if (!rdev->ops->dump_mpp) { | |
5381 | err = -EOPNOTSUPP; | |
5382 | goto out_err; | |
5383 | } | |
5384 | ||
5385 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
5386 | err = -EOPNOTSUPP; | |
5387 | goto out_err; | |
5388 | } | |
5389 | ||
5390 | while (1) { | |
5391 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
5392 | mpp, &pinfo); | |
5393 | if (err == -ENOENT) | |
5394 | break; | |
5395 | if (err) | |
5396 | goto out_err; | |
5397 | ||
5398 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
5399 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
5400 | wdev->netdev, dst, mpp, | |
5401 | &pinfo) < 0) | |
5402 | goto out; | |
5403 | ||
5404 | path_idx++; | |
5405 | } | |
5406 | ||
5407 | out: | |
5408 | cb->args[2] = path_idx; | |
5409 | err = skb->len; | |
5410 | out_err: | |
5411 | nl80211_finish_wdev_dump(rdev); | |
5412 | return err; | |
5413 | } | |
5414 | ||
9f1ba906 JM |
5415 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
5416 | { | |
4c476991 JB |
5417 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5418 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 5419 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 5420 | struct bss_parameters params; |
c56589ed | 5421 | int err; |
9f1ba906 JM |
5422 | |
5423 | memset(¶ms, 0, sizeof(params)); | |
5424 | /* default to not changing parameters */ | |
5425 | params.use_cts_prot = -1; | |
5426 | params.use_short_preamble = -1; | |
5427 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 5428 | params.ap_isolate = -1; |
50b12f59 | 5429 | params.ht_opmode = -1; |
53cabad7 JB |
5430 | params.p2p_ctwindow = -1; |
5431 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
5432 | |
5433 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
5434 | params.use_cts_prot = | |
5435 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
5436 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
5437 | params.use_short_preamble = | |
5438 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
5439 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
5440 | params.use_short_slot_time = | |
5441 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
5442 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
5443 | params.basic_rates = | |
5444 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5445 | params.basic_rates_len = | |
5446 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5447 | } | |
fd8aaaf3 FF |
5448 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
5449 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
5450 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
5451 | params.ht_opmode = | |
5452 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 5453 | |
53cabad7 JB |
5454 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
5455 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5456 | return -EINVAL; | |
5457 | params.p2p_ctwindow = | |
5458 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
5459 | if (params.p2p_ctwindow < 0) | |
5460 | return -EINVAL; | |
5461 | if (params.p2p_ctwindow != 0 && | |
5462 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
5463 | return -EINVAL; | |
5464 | } | |
5465 | ||
5466 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
5467 | u8 tmp; | |
5468 | ||
5469 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5470 | return -EINVAL; | |
5471 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
5472 | if (tmp > 1) | |
5473 | return -EINVAL; | |
5474 | params.p2p_opp_ps = tmp; | |
5475 | if (params.p2p_opp_ps && | |
5476 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
5477 | return -EINVAL; | |
5478 | } | |
5479 | ||
4c476991 JB |
5480 | if (!rdev->ops->change_bss) |
5481 | return -EOPNOTSUPP; | |
9f1ba906 | 5482 | |
074ac8df | 5483 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
5484 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5485 | return -EOPNOTSUPP; | |
3b85875a | 5486 | |
c56589ed SW |
5487 | wdev_lock(wdev); |
5488 | err = rdev_change_bss(rdev, dev, ¶ms); | |
5489 | wdev_unlock(wdev); | |
5490 | ||
5491 | return err; | |
9f1ba906 JM |
5492 | } |
5493 | ||
b2e1b302 LR |
5494 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) |
5495 | { | |
b2e1b302 | 5496 | char *data = NULL; |
05050753 | 5497 | bool is_indoor; |
57b5ce07 | 5498 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
05050753 I |
5499 | u32 owner_nlportid; |
5500 | ||
80778f18 LR |
5501 | /* |
5502 | * You should only get this when cfg80211 hasn't yet initialized | |
5503 | * completely when built-in to the kernel right between the time | |
5504 | * window between nl80211_init() and regulatory_init(), if that is | |
5505 | * even possible. | |
5506 | */ | |
458f4f9e | 5507 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 5508 | return -EINPROGRESS; |
80778f18 | 5509 | |
57b5ce07 LR |
5510 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
5511 | user_reg_hint_type = | |
5512 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
5513 | else | |
5514 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
5515 | ||
5516 | switch (user_reg_hint_type) { | |
5517 | case NL80211_USER_REG_HINT_USER: | |
5518 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
5519 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
5520 | return -EINVAL; | |
5521 | ||
5522 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5523 | return regulatory_hint_user(data, user_reg_hint_type); | |
5524 | case NL80211_USER_REG_HINT_INDOOR: | |
05050753 I |
5525 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) { |
5526 | owner_nlportid = info->snd_portid; | |
5527 | is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR]; | |
5528 | } else { | |
5529 | owner_nlportid = 0; | |
5530 | is_indoor = true; | |
5531 | } | |
5532 | ||
5533 | return regulatory_hint_indoor(is_indoor, owner_nlportid); | |
57b5ce07 LR |
5534 | default: |
5535 | return -EINVAL; | |
5536 | } | |
b2e1b302 LR |
5537 | } |
5538 | ||
24bdd9f4 | 5539 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 5540 | struct genl_info *info) |
93da9cc1 | 5541 | { |
4c476991 | 5542 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 5543 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
5544 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5545 | struct mesh_config cur_params; | |
5546 | int err = 0; | |
93da9cc1 | 5547 | void *hdr; |
5548 | struct nlattr *pinfoattr; | |
5549 | struct sk_buff *msg; | |
5550 | ||
29cbe68c JB |
5551 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5552 | return -EOPNOTSUPP; | |
5553 | ||
24bdd9f4 | 5554 | if (!rdev->ops->get_mesh_config) |
4c476991 | 5555 | return -EOPNOTSUPP; |
f3f92586 | 5556 | |
29cbe68c JB |
5557 | wdev_lock(wdev); |
5558 | /* If not connected, get default parameters */ | |
5559 | if (!wdev->mesh_id_len) | |
5560 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
5561 | else | |
e35e4d28 | 5562 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
5563 | wdev_unlock(wdev); |
5564 | ||
93da9cc1 | 5565 | if (err) |
4c476991 | 5566 | return err; |
93da9cc1 | 5567 | |
5568 | /* Draw up a netlink message to send back */ | |
fd2120ca | 5569 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
5570 | if (!msg) |
5571 | return -ENOMEM; | |
15e47304 | 5572 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 5573 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 5574 | if (!hdr) |
efe1cf0c | 5575 | goto out; |
24bdd9f4 | 5576 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 5577 | if (!pinfoattr) |
5578 | goto nla_put_failure; | |
9360ffd1 DM |
5579 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5580 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
5581 | cur_params.dot11MeshRetryTimeout) || | |
5582 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
5583 | cur_params.dot11MeshConfirmTimeout) || | |
5584 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
5585 | cur_params.dot11MeshHoldingTimeout) || | |
5586 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
5587 | cur_params.dot11MeshMaxPeerLinks) || | |
5588 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
5589 | cur_params.dot11MeshMaxRetries) || | |
5590 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
5591 | cur_params.dot11MeshTTL) || | |
5592 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
5593 | cur_params.element_ttl) || | |
5594 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
5595 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
5596 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5597 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
5598 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5599 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
5600 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
5601 | cur_params.path_refresh_time) || | |
5602 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
5603 | cur_params.min_discovery_timeout) || | |
5604 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
5605 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
5606 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
5607 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
5608 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
5609 | cur_params.dot11MeshHWMPperrMinInterval) || | |
5610 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
5611 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
5612 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5613 | cur_params.dot11MeshHWMPRootMode) || | |
5614 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
5615 | cur_params.dot11MeshHWMPRannInterval) || | |
5616 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
5617 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
5618 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
5619 | cur_params.dot11MeshForwarding) || | |
5620 | nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, | |
70c33eaa AN |
5621 | cur_params.rssi_threshold) || |
5622 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
5623 | cur_params.ht_opmode) || |
5624 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
5625 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
5626 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
5627 | cur_params.dot11MeshHWMProotInterval) || |
5628 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
5629 | cur_params.dot11MeshHWMPconfirmationInterval) || |
5630 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
5631 | cur_params.power_mode) || | |
5632 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
5633 | cur_params.dot11MeshAwakeWindowDuration) || |
5634 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5635 | cur_params.plink_timeout)) | |
9360ffd1 | 5636 | goto nla_put_failure; |
93da9cc1 | 5637 | nla_nest_end(msg, pinfoattr); |
5638 | genlmsg_end(msg, hdr); | |
4c476991 | 5639 | return genlmsg_reply(msg, info); |
93da9cc1 | 5640 | |
3b85875a | 5641 | nla_put_failure: |
93da9cc1 | 5642 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 5643 | out: |
d080e275 | 5644 | nlmsg_free(msg); |
4c476991 | 5645 | return -ENOBUFS; |
93da9cc1 | 5646 | } |
5647 | ||
b54452b0 | 5648 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 5649 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
5650 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
5651 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
5652 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
5653 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
5654 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 5655 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 5656 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 5657 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 5658 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
5659 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
5660 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
5661 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
5662 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 5663 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 5664 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 5665 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 5666 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 5667 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 5668 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
5669 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
5670 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
5671 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
5672 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 5673 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
5674 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
5675 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 5676 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 5677 | }; |
5678 | ||
c80d545d JC |
5679 | static const struct nla_policy |
5680 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 5681 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
5682 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
5683 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 5684 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 5685 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 5686 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 5687 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 5688 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 5689 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
5690 | }; |
5691 | ||
f151d9db AB |
5692 | static int nl80211_check_bool(const struct nlattr *nla, u8 min, u8 max, bool *out) |
5693 | { | |
5694 | u8 val = nla_get_u8(nla); | |
5695 | if (val < min || val > max) | |
5696 | return -EINVAL; | |
5697 | *out = val; | |
5698 | return 0; | |
5699 | } | |
5700 | ||
5701 | static int nl80211_check_u8(const struct nlattr *nla, u8 min, u8 max, u8 *out) | |
5702 | { | |
5703 | u8 val = nla_get_u8(nla); | |
5704 | if (val < min || val > max) | |
5705 | return -EINVAL; | |
5706 | *out = val; | |
5707 | return 0; | |
5708 | } | |
5709 | ||
5710 | static int nl80211_check_u16(const struct nlattr *nla, u16 min, u16 max, u16 *out) | |
5711 | { | |
5712 | u16 val = nla_get_u16(nla); | |
5713 | if (val < min || val > max) | |
5714 | return -EINVAL; | |
5715 | *out = val; | |
5716 | return 0; | |
5717 | } | |
5718 | ||
5719 | static int nl80211_check_u32(const struct nlattr *nla, u32 min, u32 max, u32 *out) | |
5720 | { | |
5721 | u32 val = nla_get_u32(nla); | |
5722 | if (val < min || val > max) | |
5723 | return -EINVAL; | |
5724 | *out = val; | |
5725 | return 0; | |
5726 | } | |
5727 | ||
5728 | static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *out) | |
5729 | { | |
5730 | s32 val = nla_get_s32(nla); | |
5731 | if (val < min || val > max) | |
5732 | return -EINVAL; | |
5733 | *out = val; | |
5734 | return 0; | |
5735 | } | |
5736 | ||
ff9a71af JB |
5737 | static int nl80211_check_power_mode(const struct nlattr *nla, |
5738 | enum nl80211_mesh_power_mode min, | |
5739 | enum nl80211_mesh_power_mode max, | |
5740 | enum nl80211_mesh_power_mode *out) | |
5741 | { | |
5742 | u32 val = nla_get_u32(nla); | |
5743 | if (val < min || val > max) | |
5744 | return -EINVAL; | |
5745 | *out = val; | |
5746 | return 0; | |
5747 | } | |
5748 | ||
24bdd9f4 | 5749 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
5750 | struct mesh_config *cfg, |
5751 | u32 *mask_out) | |
93da9cc1 | 5752 | { |
93da9cc1 | 5753 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 5754 | u32 mask = 0; |
9757235f | 5755 | u16 ht_opmode; |
93da9cc1 | 5756 | |
ea54fba2 MP |
5757 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
5758 | do { \ | |
5759 | if (tb[attr]) { \ | |
f151d9db | 5760 | if (fn(tb[attr], min, max, &cfg->param)) \ |
ea54fba2 | 5761 | return -EINVAL; \ |
ea54fba2 MP |
5762 | mask |= (1 << (attr - 1)); \ |
5763 | } \ | |
5764 | } while (0) | |
bd90fdcc | 5765 | |
24bdd9f4 | 5766 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 5767 | return -EINVAL; |
5768 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 5769 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
bd90fdcc | 5770 | nl80211_meshconf_params_policy)) |
93da9cc1 | 5771 | return -EINVAL; |
5772 | ||
93da9cc1 | 5773 | /* This makes sure that there aren't more than 32 mesh config |
5774 | * parameters (otherwise our bitfield scheme would not work.) */ | |
5775 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
5776 | ||
5777 | /* Fill in the params struct */ | |
ea54fba2 | 5778 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea | 5779 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
f151d9db | 5780 | nl80211_check_u16); |
ea54fba2 | 5781 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea | 5782 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
f151d9db | 5783 | nl80211_check_u16); |
ea54fba2 | 5784 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea | 5785 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
f151d9db | 5786 | nl80211_check_u16); |
ea54fba2 | 5787 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea | 5788 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
f151d9db | 5789 | nl80211_check_u16); |
ea54fba2 | 5790 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea | 5791 | mask, NL80211_MESHCONF_MAX_RETRIES, |
f151d9db | 5792 | nl80211_check_u8); |
ea54fba2 | 5793 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
f151d9db | 5794 | mask, NL80211_MESHCONF_TTL, nl80211_check_u8); |
ea54fba2 | 5795 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea | 5796 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
f151d9db | 5797 | nl80211_check_u8); |
ea54fba2 | 5798 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea | 5799 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
f151d9db | 5800 | nl80211_check_bool); |
ea54fba2 MP |
5801 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
5802 | 1, 255, mask, | |
a4f606ea | 5803 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
f151d9db | 5804 | nl80211_check_u32); |
ea54fba2 | 5805 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea | 5806 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
f151d9db | 5807 | nl80211_check_u8); |
ea54fba2 | 5808 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea | 5809 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
f151d9db | 5810 | nl80211_check_u32); |
ea54fba2 | 5811 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea | 5812 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
f151d9db | 5813 | nl80211_check_u16); |
ea54fba2 MP |
5814 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
5815 | 1, 65535, mask, | |
a4f606ea | 5816 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
f151d9db | 5817 | nl80211_check_u32); |
93da9cc1 | 5818 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
5819 | 1, 65535, mask, |
5820 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
f151d9db | 5821 | nl80211_check_u16); |
dca7e943 | 5822 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
5823 | 1, 65535, mask, |
5824 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
f151d9db | 5825 | nl80211_check_u16); |
93da9cc1 | 5826 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5827 | dot11MeshHWMPnetDiameterTraversalTime, |
5828 | 1, 65535, mask, | |
a4f606ea | 5829 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
f151d9db | 5830 | nl80211_check_u16); |
ea54fba2 MP |
5831 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
5832 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
f151d9db | 5833 | nl80211_check_u8); |
ea54fba2 MP |
5834 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, |
5835 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
f151d9db | 5836 | nl80211_check_u16); |
63c5723b | 5837 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5838 | dot11MeshGateAnnouncementProtocol, 0, 1, |
5839 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
f151d9db | 5840 | nl80211_check_bool); |
ea54fba2 | 5841 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea | 5842 | mask, NL80211_MESHCONF_FORWARDING, |
f151d9db | 5843 | nl80211_check_bool); |
83374fe9 | 5844 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5845 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
f151d9db | 5846 | nl80211_check_s32); |
9757235f MH |
5847 | /* |
5848 | * Check HT operation mode based on | |
5849 | * IEEE 802.11 2012 8.4.2.59 HT Operation element. | |
5850 | */ | |
5851 | if (tb[NL80211_MESHCONF_HT_OPMODE]) { | |
5852 | ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]); | |
5853 | ||
5854 | if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION | | |
5855 | IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT | | |
5856 | IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5857 | return -EINVAL; | |
5858 | ||
5859 | if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && | |
5860 | (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5861 | return -EINVAL; | |
5862 | ||
5863 | switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) { | |
5864 | case IEEE80211_HT_OP_MODE_PROTECTION_NONE: | |
5865 | case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: | |
5866 | if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) | |
5867 | return -EINVAL; | |
5868 | break; | |
5869 | case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: | |
5870 | case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: | |
5871 | if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5872 | return -EINVAL; | |
5873 | break; | |
5874 | } | |
5875 | cfg->ht_opmode = ht_opmode; | |
5876 | } | |
ac1073a6 | 5877 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, |
ea54fba2 | 5878 | 1, 65535, mask, |
ac1073a6 | 5879 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
f151d9db | 5880 | nl80211_check_u32); |
ea54fba2 | 5881 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 5882 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
f151d9db | 5883 | nl80211_check_u16); |
728b19e5 | 5884 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5885 | dot11MeshHWMPconfirmationInterval, |
5886 | 1, 65535, mask, | |
728b19e5 | 5887 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
f151d9db | 5888 | nl80211_check_u16); |
3b1c5a53 MP |
5889 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
5890 | NL80211_MESH_POWER_ACTIVE, | |
5891 | NL80211_MESH_POWER_MAX, | |
5892 | mask, NL80211_MESHCONF_POWER_MODE, | |
ff9a71af | 5893 | nl80211_check_power_mode); |
3b1c5a53 MP |
5894 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, |
5895 | 0, 65535, mask, | |
f151d9db | 5896 | NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16); |
31f909a2 | 5897 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff, |
8e7c0538 | 5898 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, |
f151d9db | 5899 | nl80211_check_u32); |
bd90fdcc JB |
5900 | if (mask_out) |
5901 | *mask_out = mask; | |
c80d545d | 5902 | |
bd90fdcc JB |
5903 | return 0; |
5904 | ||
5905 | #undef FILL_IN_MESH_PARAM_IF_SET | |
5906 | } | |
5907 | ||
c80d545d JC |
5908 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
5909 | struct mesh_setup *setup) | |
5910 | { | |
bb2798d4 | 5911 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
5912 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
5913 | ||
5914 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
5915 | return -EINVAL; | |
5916 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
5917 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
5918 | nl80211_mesh_setup_params_policy)) | |
5919 | return -EINVAL; | |
5920 | ||
d299a1f2 JC |
5921 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
5922 | setup->sync_method = | |
5923 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
5924 | IEEE80211_SYNC_METHOD_VENDOR : | |
5925 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
5926 | ||
c80d545d JC |
5927 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
5928 | setup->path_sel_proto = | |
5929 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
5930 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
5931 | IEEE80211_PATH_PROTOCOL_HWMP; | |
5932 | ||
5933 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
5934 | setup->path_metric = | |
5935 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
5936 | IEEE80211_PATH_METRIC_VENDOR : | |
5937 | IEEE80211_PATH_METRIC_AIRTIME; | |
5938 | ||
581a8b0f | 5939 | if (tb[NL80211_MESH_SETUP_IE]) { |
c80d545d | 5940 | struct nlattr *ieattr = |
581a8b0f | 5941 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
5942 | if (!is_valid_ie_attr(ieattr)) |
5943 | return -EINVAL; | |
581a8b0f JC |
5944 | setup->ie = nla_data(ieattr); |
5945 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 5946 | } |
bb2798d4 TP |
5947 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
5948 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
5949 | return -EINVAL; | |
5950 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
5951 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
5952 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
5953 | if (setup->is_secure) |
5954 | setup->user_mpm = true; | |
c80d545d | 5955 | |
6e16d90b CT |
5956 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
5957 | if (!setup->user_mpm) | |
5958 | return -EINVAL; | |
5959 | setup->auth_id = | |
5960 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
5961 | } | |
5962 | ||
c80d545d JC |
5963 | return 0; |
5964 | } | |
5965 | ||
24bdd9f4 | 5966 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 5967 | struct genl_info *info) |
bd90fdcc JB |
5968 | { |
5969 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5970 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 5971 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
5972 | struct mesh_config cfg; |
5973 | u32 mask; | |
5974 | int err; | |
5975 | ||
29cbe68c JB |
5976 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5977 | return -EOPNOTSUPP; | |
5978 | ||
24bdd9f4 | 5979 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
5980 | return -EOPNOTSUPP; |
5981 | ||
24bdd9f4 | 5982 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
5983 | if (err) |
5984 | return err; | |
5985 | ||
29cbe68c JB |
5986 | wdev_lock(wdev); |
5987 | if (!wdev->mesh_id_len) | |
5988 | err = -ENOLINK; | |
5989 | ||
5990 | if (!err) | |
e35e4d28 | 5991 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
5992 | |
5993 | wdev_unlock(wdev); | |
5994 | ||
5995 | return err; | |
93da9cc1 | 5996 | } |
5997 | ||
ad30ca2c AN |
5998 | static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom, |
5999 | struct sk_buff *msg) | |
f130347c | 6000 | { |
f130347c LR |
6001 | struct nlattr *nl_reg_rules; |
6002 | unsigned int i; | |
f130347c | 6003 | |
458f4f9e JB |
6004 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || |
6005 | (regdom->dfs_region && | |
6006 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
ad30ca2c | 6007 | goto nla_put_failure; |
458f4f9e | 6008 | |
f130347c LR |
6009 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
6010 | if (!nl_reg_rules) | |
ad30ca2c | 6011 | goto nla_put_failure; |
f130347c | 6012 | |
458f4f9e | 6013 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
6014 | struct nlattr *nl_reg_rule; |
6015 | const struct ieee80211_reg_rule *reg_rule; | |
6016 | const struct ieee80211_freq_range *freq_range; | |
6017 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 6018 | unsigned int max_bandwidth_khz; |
f130347c | 6019 | |
458f4f9e | 6020 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
6021 | freq_range = ®_rule->freq_range; |
6022 | power_rule = ®_rule->power_rule; | |
6023 | ||
6024 | nl_reg_rule = nla_nest_start(msg, i); | |
6025 | if (!nl_reg_rule) | |
ad30ca2c | 6026 | goto nla_put_failure; |
f130347c | 6027 | |
97524820 JD |
6028 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
6029 | if (!max_bandwidth_khz) | |
6030 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
6031 | reg_rule); | |
6032 | ||
9360ffd1 DM |
6033 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
6034 | reg_rule->flags) || | |
6035 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
6036 | freq_range->start_freq_khz) || | |
6037 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
6038 | freq_range->end_freq_khz) || | |
6039 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 6040 | max_bandwidth_khz) || |
9360ffd1 DM |
6041 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
6042 | power_rule->max_antenna_gain) || | |
6043 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
6044 | power_rule->max_eirp) || |
6045 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
6046 | reg_rule->dfs_cac_ms)) | |
ad30ca2c | 6047 | goto nla_put_failure; |
f130347c LR |
6048 | |
6049 | nla_nest_end(msg, nl_reg_rule); | |
6050 | } | |
6051 | ||
6052 | nla_nest_end(msg, nl_reg_rules); | |
ad30ca2c AN |
6053 | return 0; |
6054 | ||
6055 | nla_put_failure: | |
6056 | return -EMSGSIZE; | |
6057 | } | |
6058 | ||
6059 | static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info) | |
6060 | { | |
6061 | const struct ieee80211_regdomain *regdom = NULL; | |
6062 | struct cfg80211_registered_device *rdev; | |
6063 | struct wiphy *wiphy = NULL; | |
6064 | struct sk_buff *msg; | |
6065 | void *hdr; | |
6066 | ||
6067 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6068 | if (!msg) | |
6069 | return -ENOBUFS; | |
6070 | ||
6071 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
6072 | NL80211_CMD_GET_REG); | |
6073 | if (!hdr) | |
6074 | goto put_failure; | |
6075 | ||
6076 | if (info->attrs[NL80211_ATTR_WIPHY]) { | |
1bdd716c AN |
6077 | bool self_managed; |
6078 | ||
ad30ca2c AN |
6079 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
6080 | if (IS_ERR(rdev)) { | |
6081 | nlmsg_free(msg); | |
6082 | return PTR_ERR(rdev); | |
6083 | } | |
6084 | ||
6085 | wiphy = &rdev->wiphy; | |
1bdd716c AN |
6086 | self_managed = wiphy->regulatory_flags & |
6087 | REGULATORY_WIPHY_SELF_MANAGED; | |
ad30ca2c AN |
6088 | regdom = get_wiphy_regdom(wiphy); |
6089 | ||
1bdd716c AN |
6090 | /* a self-managed-reg device must have a private regdom */ |
6091 | if (WARN_ON(!regdom && self_managed)) { | |
6092 | nlmsg_free(msg); | |
6093 | return -EINVAL; | |
6094 | } | |
6095 | ||
ad30ca2c AN |
6096 | if (regdom && |
6097 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6098 | goto nla_put_failure; | |
6099 | } | |
6100 | ||
6101 | if (!wiphy && reg_last_request_cell_base() && | |
6102 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6103 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6104 | goto nla_put_failure; | |
6105 | ||
6106 | rcu_read_lock(); | |
6107 | ||
6108 | if (!regdom) | |
6109 | regdom = rcu_dereference(cfg80211_regdomain); | |
6110 | ||
6111 | if (nl80211_put_regdom(regdom, msg)) | |
6112 | goto nla_put_failure_rcu; | |
6113 | ||
6114 | rcu_read_unlock(); | |
f130347c LR |
6115 | |
6116 | genlmsg_end(msg, hdr); | |
5fe231e8 | 6117 | return genlmsg_reply(msg, info); |
f130347c | 6118 | |
458f4f9e JB |
6119 | nla_put_failure_rcu: |
6120 | rcu_read_unlock(); | |
f130347c LR |
6121 | nla_put_failure: |
6122 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 6123 | put_failure: |
d080e275 | 6124 | nlmsg_free(msg); |
5fe231e8 | 6125 | return -EMSGSIZE; |
f130347c LR |
6126 | } |
6127 | ||
ad30ca2c AN |
6128 | static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb, |
6129 | u32 seq, int flags, struct wiphy *wiphy, | |
6130 | const struct ieee80211_regdomain *regdom) | |
6131 | { | |
6132 | void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, | |
6133 | NL80211_CMD_GET_REG); | |
6134 | ||
6135 | if (!hdr) | |
6136 | return -1; | |
6137 | ||
6138 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); | |
6139 | ||
6140 | if (nl80211_put_regdom(regdom, msg)) | |
6141 | goto nla_put_failure; | |
6142 | ||
6143 | if (!wiphy && reg_last_request_cell_base() && | |
6144 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6145 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6146 | goto nla_put_failure; | |
6147 | ||
6148 | if (wiphy && | |
6149 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6150 | goto nla_put_failure; | |
6151 | ||
1bdd716c AN |
6152 | if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
6153 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
6154 | goto nla_put_failure; | |
6155 | ||
053c095a JB |
6156 | genlmsg_end(msg, hdr); |
6157 | return 0; | |
ad30ca2c AN |
6158 | |
6159 | nla_put_failure: | |
6160 | genlmsg_cancel(msg, hdr); | |
6161 | return -EMSGSIZE; | |
6162 | } | |
6163 | ||
6164 | static int nl80211_get_reg_dump(struct sk_buff *skb, | |
6165 | struct netlink_callback *cb) | |
6166 | { | |
6167 | const struct ieee80211_regdomain *regdom = NULL; | |
6168 | struct cfg80211_registered_device *rdev; | |
6169 | int err, reg_idx, start = cb->args[2]; | |
6170 | ||
6171 | rtnl_lock(); | |
6172 | ||
6173 | if (cfg80211_regdomain && start == 0) { | |
6174 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6175 | NLM_F_MULTI, NULL, | |
6176 | rtnl_dereference(cfg80211_regdomain)); | |
6177 | if (err < 0) | |
6178 | goto out_err; | |
6179 | } | |
6180 | ||
6181 | /* the global regdom is idx 0 */ | |
6182 | reg_idx = 1; | |
6183 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
6184 | regdom = get_wiphy_regdom(&rdev->wiphy); | |
6185 | if (!regdom) | |
6186 | continue; | |
6187 | ||
6188 | if (++reg_idx <= start) | |
6189 | continue; | |
6190 | ||
6191 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6192 | NLM_F_MULTI, &rdev->wiphy, regdom); | |
6193 | if (err < 0) { | |
6194 | reg_idx--; | |
6195 | break; | |
6196 | } | |
6197 | } | |
6198 | ||
6199 | cb->args[2] = reg_idx; | |
6200 | err = skb->len; | |
6201 | out_err: | |
6202 | rtnl_unlock(); | |
6203 | return err; | |
6204 | } | |
6205 | ||
b6863036 JB |
6206 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
6207 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { | |
6208 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
6209 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
6210 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
6211 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
6212 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
6213 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
6214 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, | |
6215 | }; | |
6216 | ||
6217 | static int parse_reg_rule(struct nlattr *tb[], | |
6218 | struct ieee80211_reg_rule *reg_rule) | |
6219 | { | |
6220 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
6221 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
6222 | ||
6223 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
6224 | return -EINVAL; | |
6225 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
6226 | return -EINVAL; | |
6227 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
6228 | return -EINVAL; | |
6229 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
6230 | return -EINVAL; | |
6231 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
6232 | return -EINVAL; | |
6233 | ||
6234 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
6235 | ||
6236 | freq_range->start_freq_khz = | |
6237 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
6238 | freq_range->end_freq_khz = | |
6239 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
6240 | freq_range->max_bandwidth_khz = | |
6241 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
6242 | ||
6243 | power_rule->max_eirp = | |
6244 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
6245 | ||
6246 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
6247 | power_rule->max_antenna_gain = | |
6248 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
6249 | ||
6250 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) | |
6251 | reg_rule->dfs_cac_ms = | |
6252 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
6253 | ||
6254 | return 0; | |
6255 | } | |
6256 | ||
b2e1b302 LR |
6257 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
6258 | { | |
6259 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
6260 | struct nlattr *nl_reg_rule; | |
ea372c54 JB |
6261 | char *alpha2; |
6262 | int rem_reg_rules, r; | |
b2e1b302 | 6263 | u32 num_rules = 0, rule_idx = 0, size_of_regd; |
4c7d3982 | 6264 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
ea372c54 | 6265 | struct ieee80211_regdomain *rd; |
b2e1b302 LR |
6266 | |
6267 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
6268 | return -EINVAL; | |
6269 | ||
6270 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
6271 | return -EINVAL; | |
6272 | ||
6273 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
6274 | ||
8b60b078 LR |
6275 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
6276 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
6277 | ||
b2e1b302 | 6278 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6279 | rem_reg_rules) { |
b2e1b302 LR |
6280 | num_rules++; |
6281 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 6282 | return -EINVAL; |
b2e1b302 LR |
6283 | } |
6284 | ||
e438768f LR |
6285 | if (!reg_is_valid_request(alpha2)) |
6286 | return -EINVAL; | |
6287 | ||
b2e1b302 | 6288 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 6289 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
6290 | |
6291 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
6292 | if (!rd) |
6293 | return -ENOMEM; | |
b2e1b302 LR |
6294 | |
6295 | rd->n_reg_rules = num_rules; | |
6296 | rd->alpha2[0] = alpha2[0]; | |
6297 | rd->alpha2[1] = alpha2[1]; | |
6298 | ||
8b60b078 LR |
6299 | /* |
6300 | * Disable DFS master mode if the DFS region was | |
6301 | * not supported or known on this kernel. | |
6302 | */ | |
6303 | if (reg_supported_dfs_region(dfs_region)) | |
6304 | rd->dfs_region = dfs_region; | |
6305 | ||
b2e1b302 | 6306 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6307 | rem_reg_rules) { |
ae811e21 JB |
6308 | r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
6309 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
6310 | reg_rule_policy); | |
6311 | if (r) | |
6312 | goto bad_reg; | |
b2e1b302 LR |
6313 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
6314 | if (r) | |
6315 | goto bad_reg; | |
6316 | ||
6317 | rule_idx++; | |
6318 | ||
d0e18f83 LR |
6319 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
6320 | r = -EINVAL; | |
b2e1b302 | 6321 | goto bad_reg; |
d0e18f83 | 6322 | } |
b2e1b302 LR |
6323 | } |
6324 | ||
06627990 JB |
6325 | /* set_regdom takes ownership of rd */ |
6326 | return set_regdom(rd, REGD_SOURCE_CRDA); | |
d2372b31 | 6327 | bad_reg: |
b2e1b302 | 6328 | kfree(rd); |
d0e18f83 | 6329 | return r; |
b2e1b302 | 6330 | } |
b6863036 | 6331 | #endif /* CONFIG_CFG80211_CRDA_SUPPORT */ |
b2e1b302 | 6332 | |
83f5e2cf JB |
6333 | static int validate_scan_freqs(struct nlattr *freqs) |
6334 | { | |
6335 | struct nlattr *attr1, *attr2; | |
6336 | int n_channels = 0, tmp1, tmp2; | |
6337 | ||
6338 | nla_for_each_nested(attr1, freqs, tmp1) { | |
6339 | n_channels++; | |
6340 | /* | |
6341 | * Some hardware has a limited channel list for | |
6342 | * scanning, and it is pretty much nonsensical | |
6343 | * to scan for a channel twice, so disallow that | |
6344 | * and don't require drivers to check that the | |
6345 | * channel list they get isn't longer than what | |
6346 | * they can scan, as long as they can scan all | |
6347 | * the channels they registered at once. | |
6348 | */ | |
6349 | nla_for_each_nested(attr2, freqs, tmp2) | |
6350 | if (attr1 != attr2 && | |
6351 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
6352 | return 0; | |
6353 | } | |
6354 | ||
6355 | return n_channels; | |
6356 | } | |
6357 | ||
57fbcce3 | 6358 | static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b) |
38de03d2 | 6359 | { |
57fbcce3 | 6360 | return b < NUM_NL80211_BANDS && wiphy->bands[b]; |
38de03d2 AS |
6361 | } |
6362 | ||
6363 | static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy, | |
6364 | struct cfg80211_bss_selection *bss_select) | |
6365 | { | |
6366 | struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1]; | |
6367 | struct nlattr *nest; | |
6368 | int err; | |
6369 | bool found = false; | |
6370 | int i; | |
6371 | ||
6372 | /* only process one nested attribute */ | |
6373 | nest = nla_data(nla); | |
6374 | if (!nla_ok(nest, nla_len(nest))) | |
6375 | return -EINVAL; | |
6376 | ||
6377 | err = nla_parse(attr, NL80211_BSS_SELECT_ATTR_MAX, nla_data(nest), | |
6378 | nla_len(nest), nl80211_bss_select_policy); | |
6379 | if (err) | |
6380 | return err; | |
6381 | ||
6382 | /* only one attribute may be given */ | |
6383 | for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) { | |
6384 | if (attr[i]) { | |
6385 | if (found) | |
6386 | return -EINVAL; | |
6387 | found = true; | |
6388 | } | |
6389 | } | |
6390 | ||
6391 | bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID; | |
6392 | ||
6393 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI]) | |
6394 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI; | |
6395 | ||
6396 | if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) { | |
6397 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF; | |
6398 | bss_select->param.band_pref = | |
6399 | nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]); | |
6400 | if (!is_band_valid(wiphy, bss_select->param.band_pref)) | |
6401 | return -EINVAL; | |
6402 | } | |
6403 | ||
6404 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) { | |
6405 | struct nl80211_bss_select_rssi_adjust *adj_param; | |
6406 | ||
6407 | adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]); | |
6408 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST; | |
6409 | bss_select->param.adjust.band = adj_param->band; | |
6410 | bss_select->param.adjust.delta = adj_param->delta; | |
6411 | if (!is_band_valid(wiphy, bss_select->param.adjust.band)) | |
6412 | return -EINVAL; | |
6413 | } | |
6414 | ||
6415 | /* user-space did not provide behaviour attribute */ | |
6416 | if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID) | |
6417 | return -EINVAL; | |
6418 | ||
6419 | if (!(wiphy->bss_select_support & BIT(bss_select->behaviour))) | |
6420 | return -EINVAL; | |
6421 | ||
6422 | return 0; | |
6423 | } | |
6424 | ||
ad2b26ab JB |
6425 | static int nl80211_parse_random_mac(struct nlattr **attrs, |
6426 | u8 *mac_addr, u8 *mac_addr_mask) | |
6427 | { | |
6428 | int i; | |
6429 | ||
6430 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
d2beae10 JP |
6431 | eth_zero_addr(mac_addr); |
6432 | eth_zero_addr(mac_addr_mask); | |
ad2b26ab JB |
6433 | mac_addr[0] = 0x2; |
6434 | mac_addr_mask[0] = 0x3; | |
6435 | ||
6436 | return 0; | |
6437 | } | |
6438 | ||
6439 | /* need both or none */ | |
6440 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
6441 | return -EINVAL; | |
6442 | ||
6443 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
6444 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
6445 | ||
6446 | /* don't allow or configure an mcast address */ | |
6447 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
6448 | is_multicast_ether_addr(mac_addr)) | |
6449 | return -EINVAL; | |
6450 | ||
6451 | /* | |
6452 | * allow users to pass a MAC address that has bits set outside | |
6453 | * of the mask, but don't bother drivers with having to deal | |
6454 | * with such bits | |
6455 | */ | |
6456 | for (i = 0; i < ETH_ALEN; i++) | |
6457 | mac_addr[i] &= mac_addr_mask[i]; | |
6458 | ||
6459 | return 0; | |
6460 | } | |
6461 | ||
2a519311 JB |
6462 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
6463 | { | |
4c476991 | 6464 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 6465 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 6466 | struct cfg80211_scan_request *request; |
2a519311 JB |
6467 | struct nlattr *attr; |
6468 | struct wiphy *wiphy; | |
83f5e2cf | 6469 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 6470 | size_t ie_len; |
2a519311 | 6471 | |
f4a11bb0 JB |
6472 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6473 | return -EINVAL; | |
6474 | ||
79c97e97 | 6475 | wiphy = &rdev->wiphy; |
2a519311 | 6476 | |
cb3b7d87 AB |
6477 | if (wdev->iftype == NL80211_IFTYPE_NAN) |
6478 | return -EOPNOTSUPP; | |
6479 | ||
4c476991 JB |
6480 | if (!rdev->ops->scan) |
6481 | return -EOPNOTSUPP; | |
2a519311 | 6482 | |
f9d15d16 | 6483 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
6484 | err = -EBUSY; |
6485 | goto unlock; | |
6486 | } | |
2a519311 JB |
6487 | |
6488 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
6489 | n_channels = validate_scan_freqs( |
6490 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
6491 | if (!n_channels) { |
6492 | err = -EINVAL; | |
6493 | goto unlock; | |
6494 | } | |
2a519311 | 6495 | } else { |
bdfbec2d | 6496 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
6497 | } |
6498 | ||
6499 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
6500 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
6501 | n_ssids++; | |
6502 | ||
f9f47529 JB |
6503 | if (n_ssids > wiphy->max_scan_ssids) { |
6504 | err = -EINVAL; | |
6505 | goto unlock; | |
6506 | } | |
2a519311 | 6507 | |
70692ad2 JM |
6508 | if (info->attrs[NL80211_ATTR_IE]) |
6509 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6510 | else | |
6511 | ie_len = 0; | |
6512 | ||
f9f47529 JB |
6513 | if (ie_len > wiphy->max_scan_ie_len) { |
6514 | err = -EINVAL; | |
6515 | goto unlock; | |
6516 | } | |
18a83659 | 6517 | |
2a519311 | 6518 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
6519 | + sizeof(*request->ssids) * n_ssids |
6520 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 6521 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
6522 | if (!request) { |
6523 | err = -ENOMEM; | |
6524 | goto unlock; | |
6525 | } | |
2a519311 | 6526 | |
2a519311 | 6527 | if (n_ssids) |
5ba63533 | 6528 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 6529 | request->n_ssids = n_ssids; |
70692ad2 | 6530 | if (ie_len) { |
13874e4b | 6531 | if (n_ssids) |
70692ad2 JM |
6532 | request->ie = (void *)(request->ssids + n_ssids); |
6533 | else | |
6534 | request->ie = (void *)(request->channels + n_channels); | |
6535 | } | |
2a519311 | 6536 | |
584991dc | 6537 | i = 0; |
2a519311 JB |
6538 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
6539 | /* user specified, bail out if channel not found */ | |
2a519311 | 6540 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
6541 | struct ieee80211_channel *chan; |
6542 | ||
6543 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
6544 | ||
6545 | if (!chan) { | |
2a519311 JB |
6546 | err = -EINVAL; |
6547 | goto out_free; | |
6548 | } | |
584991dc JB |
6549 | |
6550 | /* ignore disabled channels */ | |
6551 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6552 | continue; | |
6553 | ||
6554 | request->channels[i] = chan; | |
2a519311 JB |
6555 | i++; |
6556 | } | |
6557 | } else { | |
57fbcce3 | 6558 | enum nl80211_band band; |
34850ab2 | 6559 | |
2a519311 | 6560 | /* all channels */ |
57fbcce3 | 6561 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
2a519311 | 6562 | int j; |
7a087e74 | 6563 | |
2a519311 JB |
6564 | if (!wiphy->bands[band]) |
6565 | continue; | |
6566 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
6567 | struct ieee80211_channel *chan; |
6568 | ||
6569 | chan = &wiphy->bands[band]->channels[j]; | |
6570 | ||
6571 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6572 | continue; | |
6573 | ||
6574 | request->channels[i] = chan; | |
2a519311 JB |
6575 | i++; |
6576 | } | |
6577 | } | |
6578 | } | |
6579 | ||
584991dc JB |
6580 | if (!i) { |
6581 | err = -EINVAL; | |
6582 | goto out_free; | |
6583 | } | |
6584 | ||
6585 | request->n_channels = i; | |
6586 | ||
2a519311 | 6587 | i = 0; |
13874e4b | 6588 | if (n_ssids) { |
2a519311 | 6589 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { |
57a27e1d | 6590 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
6591 | err = -EINVAL; |
6592 | goto out_free; | |
6593 | } | |
57a27e1d | 6594 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 6595 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
6596 | i++; |
6597 | } | |
6598 | } | |
6599 | ||
70692ad2 JM |
6600 | if (info->attrs[NL80211_ATTR_IE]) { |
6601 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
6602 | memcpy((void *)request->ie, |
6603 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
6604 | request->ie_len); |
6605 | } | |
6606 | ||
57fbcce3 | 6607 | for (i = 0; i < NUM_NL80211_BANDS; i++) |
a401d2bb JB |
6608 | if (wiphy->bands[i]) |
6609 | request->rates[i] = | |
6610 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
6611 | |
6612 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
6613 | nla_for_each_nested(attr, | |
6614 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
6615 | tmp) { | |
57fbcce3 | 6616 | enum nl80211_band band = nla_type(attr); |
34850ab2 | 6617 | |
57fbcce3 | 6618 | if (band < 0 || band >= NUM_NL80211_BANDS) { |
34850ab2 JB |
6619 | err = -EINVAL; |
6620 | goto out_free; | |
6621 | } | |
1b09cd82 FF |
6622 | |
6623 | if (!wiphy->bands[band]) | |
6624 | continue; | |
6625 | ||
34850ab2 JB |
6626 | err = ieee80211_get_ratemask(wiphy->bands[band], |
6627 | nla_data(attr), | |
6628 | nla_len(attr), | |
6629 | &request->rates[band]); | |
6630 | if (err) | |
6631 | goto out_free; | |
6632 | } | |
6633 | } | |
6634 | ||
1d76250b AS |
6635 | if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) { |
6636 | if (!wiphy_ext_feature_isset(wiphy, | |
6637 | NL80211_EXT_FEATURE_SET_SCAN_DWELL)) { | |
6638 | err = -EOPNOTSUPP; | |
6639 | goto out_free; | |
6640 | } | |
6641 | ||
6642 | request->duration = | |
6643 | nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]); | |
6644 | request->duration_mandatory = | |
6645 | nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]); | |
6646 | } | |
6647 | ||
46856bbf | 6648 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
6649 | request->flags = nla_get_u32( |
6650 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
6651 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
6652 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
6653 | err = -EOPNOTSUPP; |
6654 | goto out_free; | |
6655 | } | |
ad2b26ab JB |
6656 | |
6657 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6658 | if (!(wiphy->features & | |
6659 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) { | |
6660 | err = -EOPNOTSUPP; | |
6661 | goto out_free; | |
6662 | } | |
6663 | ||
6664 | if (wdev->current_bss) { | |
6665 | err = -EOPNOTSUPP; | |
6666 | goto out_free; | |
6667 | } | |
6668 | ||
6669 | err = nl80211_parse_random_mac(info->attrs, | |
6670 | request->mac_addr, | |
6671 | request->mac_addr_mask); | |
6672 | if (err) | |
6673 | goto out_free; | |
6674 | } | |
46856bbf | 6675 | } |
ed473771 | 6676 | |
e9f935e3 RM |
6677 | request->no_cck = |
6678 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
6679 | ||
818965d3 JM |
6680 | if (info->attrs[NL80211_ATTR_MAC]) |
6681 | memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]), | |
6682 | ETH_ALEN); | |
6683 | else | |
6684 | eth_broadcast_addr(request->bssid); | |
6685 | ||
fd014284 | 6686 | request->wdev = wdev; |
79c97e97 | 6687 | request->wiphy = &rdev->wiphy; |
15d6030b | 6688 | request->scan_start = jiffies; |
2a519311 | 6689 | |
79c97e97 | 6690 | rdev->scan_req = request; |
e35e4d28 | 6691 | err = rdev_scan(rdev, request); |
2a519311 | 6692 | |
463d0183 | 6693 | if (!err) { |
fd014284 JB |
6694 | nl80211_send_scan_start(rdev, wdev); |
6695 | if (wdev->netdev) | |
6696 | dev_hold(wdev->netdev); | |
4c476991 | 6697 | } else { |
2a519311 | 6698 | out_free: |
79c97e97 | 6699 | rdev->scan_req = NULL; |
2a519311 JB |
6700 | kfree(request); |
6701 | } | |
3b85875a | 6702 | |
f9f47529 | 6703 | unlock: |
2a519311 JB |
6704 | return err; |
6705 | } | |
6706 | ||
91d3ab46 VK |
6707 | static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info) |
6708 | { | |
6709 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6710 | struct wireless_dev *wdev = info->user_ptr[1]; | |
6711 | ||
6712 | if (!rdev->ops->abort_scan) | |
6713 | return -EOPNOTSUPP; | |
6714 | ||
6715 | if (rdev->scan_msg) | |
6716 | return 0; | |
6717 | ||
6718 | if (!rdev->scan_req) | |
6719 | return -ENOENT; | |
6720 | ||
6721 | rdev_abort_scan(rdev, wdev); | |
6722 | return 0; | |
6723 | } | |
6724 | ||
3b06d277 AS |
6725 | static int |
6726 | nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, | |
6727 | struct cfg80211_sched_scan_request *request, | |
6728 | struct nlattr **attrs) | |
6729 | { | |
6730 | int tmp, err, i = 0; | |
6731 | struct nlattr *attr; | |
6732 | ||
6733 | if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { | |
6734 | u32 interval; | |
6735 | ||
6736 | /* | |
6737 | * If scan plans are not specified, | |
6738 | * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this | |
6739 | * case one scan plan will be set with the specified scan | |
6740 | * interval and infinite number of iterations. | |
6741 | */ | |
6742 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6743 | return -EINVAL; | |
6744 | ||
6745 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); | |
6746 | if (!interval) | |
6747 | return -EINVAL; | |
6748 | ||
6749 | request->scan_plans[0].interval = | |
6750 | DIV_ROUND_UP(interval, MSEC_PER_SEC); | |
6751 | if (!request->scan_plans[0].interval) | |
6752 | return -EINVAL; | |
6753 | ||
6754 | if (request->scan_plans[0].interval > | |
6755 | wiphy->max_sched_scan_plan_interval) | |
6756 | request->scan_plans[0].interval = | |
6757 | wiphy->max_sched_scan_plan_interval; | |
6758 | ||
6759 | return 0; | |
6760 | } | |
6761 | ||
6762 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) { | |
6763 | struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1]; | |
6764 | ||
6765 | if (WARN_ON(i >= n_plans)) | |
6766 | return -EINVAL; | |
6767 | ||
6768 | err = nla_parse(plan, NL80211_SCHED_SCAN_PLAN_MAX, | |
6769 | nla_data(attr), nla_len(attr), | |
6770 | nl80211_plan_policy); | |
6771 | if (err) | |
6772 | return err; | |
6773 | ||
6774 | if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]) | |
6775 | return -EINVAL; | |
6776 | ||
6777 | request->scan_plans[i].interval = | |
6778 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]); | |
6779 | if (!request->scan_plans[i].interval || | |
6780 | request->scan_plans[i].interval > | |
6781 | wiphy->max_sched_scan_plan_interval) | |
6782 | return -EINVAL; | |
6783 | ||
6784 | if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) { | |
6785 | request->scan_plans[i].iterations = | |
6786 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]); | |
6787 | if (!request->scan_plans[i].iterations || | |
6788 | (request->scan_plans[i].iterations > | |
6789 | wiphy->max_sched_scan_plan_iterations)) | |
6790 | return -EINVAL; | |
6791 | } else if (i < n_plans - 1) { | |
6792 | /* | |
6793 | * All scan plans but the last one must specify | |
6794 | * a finite number of iterations | |
6795 | */ | |
6796 | return -EINVAL; | |
6797 | } | |
6798 | ||
6799 | i++; | |
6800 | } | |
6801 | ||
6802 | /* | |
6803 | * The last scan plan must not specify the number of | |
6804 | * iterations, it is supposed to run infinitely | |
6805 | */ | |
6806 | if (request->scan_plans[n_plans - 1].iterations) | |
6807 | return -EINVAL; | |
6808 | ||
6809 | return 0; | |
6810 | } | |
6811 | ||
256da02d | 6812 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 6813 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
256da02d | 6814 | struct nlattr **attrs) |
807f8a8c LC |
6815 | { |
6816 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 6817 | struct nlattr *attr; |
3b06d277 | 6818 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0; |
57fbcce3 | 6819 | enum nl80211_band band; |
807f8a8c | 6820 | size_t ie_len; |
a1f1c21c | 6821 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 6822 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 6823 | |
256da02d LC |
6824 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE])) |
6825 | return ERR_PTR(-EINVAL); | |
807f8a8c | 6826 | |
256da02d | 6827 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 6828 | n_channels = validate_scan_freqs( |
256da02d | 6829 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 6830 | if (!n_channels) |
256da02d | 6831 | return ERR_PTR(-EINVAL); |
807f8a8c | 6832 | } else { |
bdfbec2d | 6833 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
6834 | } |
6835 | ||
256da02d LC |
6836 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
6837 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
6838 | tmp) |
6839 | n_ssids++; | |
6840 | ||
93b6aa69 | 6841 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 6842 | return ERR_PTR(-EINVAL); |
807f8a8c | 6843 | |
ea73cbce JB |
6844 | /* |
6845 | * First, count the number of 'real' matchsets. Due to an issue with | |
6846 | * the old implementation, matchsets containing only the RSSI attribute | |
6847 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
6848 | * RSSI for all matchsets, rather than their own matchset for reporting | |
6849 | * all APs with a strong RSSI. This is needed to be compatible with | |
6850 | * older userspace that treated a matchset with only the RSSI as the | |
6851 | * global RSSI for all other matchsets - if there are other matchsets. | |
6852 | */ | |
256da02d | 6853 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 6854 | nla_for_each_nested(attr, |
256da02d | 6855 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
6856 | tmp) { |
6857 | struct nlattr *rssi; | |
6858 | ||
6859 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
6860 | nla_data(attr), nla_len(attr), | |
6861 | nl80211_match_policy); | |
6862 | if (err) | |
256da02d | 6863 | return ERR_PTR(err); |
ea73cbce JB |
6864 | /* add other standalone attributes here */ |
6865 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { | |
6866 | n_match_sets++; | |
6867 | continue; | |
6868 | } | |
6869 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
6870 | if (rssi) | |
6871 | default_match_rssi = nla_get_s32(rssi); | |
6872 | } | |
6873 | } | |
6874 | ||
6875 | /* However, if there's no other matchset, add the RSSI one */ | |
6876 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
6877 | n_match_sets = 1; | |
a1f1c21c LC |
6878 | |
6879 | if (n_match_sets > wiphy->max_match_sets) | |
256da02d | 6880 | return ERR_PTR(-EINVAL); |
a1f1c21c | 6881 | |
256da02d LC |
6882 | if (attrs[NL80211_ATTR_IE]) |
6883 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
6884 | else |
6885 | ie_len = 0; | |
6886 | ||
5a865bad | 6887 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 6888 | return ERR_PTR(-EINVAL); |
c10841ca | 6889 | |
3b06d277 AS |
6890 | if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { |
6891 | /* | |
6892 | * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since | |
6893 | * each scan plan already specifies its own interval | |
6894 | */ | |
6895 | if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6896 | return ERR_PTR(-EINVAL); | |
6897 | ||
6898 | nla_for_each_nested(attr, | |
6899 | attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) | |
6900 | n_plans++; | |
6901 | } else { | |
6902 | /* | |
6903 | * The scan interval attribute is kept for backward | |
6904 | * compatibility. If no scan plans are specified and sched scan | |
6905 | * interval is specified, one scan plan will be set with this | |
6906 | * scan interval and infinite number of iterations. | |
6907 | */ | |
6908 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
6909 | return ERR_PTR(-EINVAL); | |
6910 | ||
6911 | n_plans = 1; | |
6912 | } | |
6913 | ||
6914 | if (!n_plans || n_plans > wiphy->max_sched_scan_plans) | |
6915 | return ERR_PTR(-EINVAL); | |
6916 | ||
807f8a8c | 6917 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 6918 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 6919 | + sizeof(*request->match_sets) * n_match_sets |
3b06d277 | 6920 | + sizeof(*request->scan_plans) * n_plans |
a2cd43c5 | 6921 | + sizeof(*request->channels) * n_channels |
807f8a8c | 6922 | + ie_len, GFP_KERNEL); |
256da02d LC |
6923 | if (!request) |
6924 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
6925 | |
6926 | if (n_ssids) | |
6927 | request->ssids = (void *)&request->channels[n_channels]; | |
6928 | request->n_ssids = n_ssids; | |
6929 | if (ie_len) { | |
13874e4b | 6930 | if (n_ssids) |
807f8a8c LC |
6931 | request->ie = (void *)(request->ssids + n_ssids); |
6932 | else | |
6933 | request->ie = (void *)(request->channels + n_channels); | |
6934 | } | |
6935 | ||
a1f1c21c LC |
6936 | if (n_match_sets) { |
6937 | if (request->ie) | |
6938 | request->match_sets = (void *)(request->ie + ie_len); | |
13874e4b | 6939 | else if (n_ssids) |
a1f1c21c LC |
6940 | request->match_sets = |
6941 | (void *)(request->ssids + n_ssids); | |
6942 | else | |
6943 | request->match_sets = | |
6944 | (void *)(request->channels + n_channels); | |
6945 | } | |
6946 | request->n_match_sets = n_match_sets; | |
6947 | ||
3b06d277 AS |
6948 | if (n_match_sets) |
6949 | request->scan_plans = (void *)(request->match_sets + | |
6950 | n_match_sets); | |
6951 | else if (request->ie) | |
6952 | request->scan_plans = (void *)(request->ie + ie_len); | |
6953 | else if (n_ssids) | |
6954 | request->scan_plans = (void *)(request->ssids + n_ssids); | |
6955 | else | |
6956 | request->scan_plans = (void *)(request->channels + n_channels); | |
6957 | ||
6958 | request->n_scan_plans = n_plans; | |
6959 | ||
807f8a8c | 6960 | i = 0; |
256da02d | 6961 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
6962 | /* user specified, bail out if channel not found */ |
6963 | nla_for_each_nested(attr, | |
256da02d | 6964 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
6965 | tmp) { |
6966 | struct ieee80211_channel *chan; | |
6967 | ||
6968 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
6969 | ||
6970 | if (!chan) { | |
6971 | err = -EINVAL; | |
6972 | goto out_free; | |
6973 | } | |
6974 | ||
6975 | /* ignore disabled channels */ | |
6976 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6977 | continue; | |
6978 | ||
6979 | request->channels[i] = chan; | |
6980 | i++; | |
6981 | } | |
6982 | } else { | |
6983 | /* all channels */ | |
57fbcce3 | 6984 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
807f8a8c | 6985 | int j; |
7a087e74 | 6986 | |
807f8a8c LC |
6987 | if (!wiphy->bands[band]) |
6988 | continue; | |
6989 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
6990 | struct ieee80211_channel *chan; | |
6991 | ||
6992 | chan = &wiphy->bands[band]->channels[j]; | |
6993 | ||
6994 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6995 | continue; | |
6996 | ||
6997 | request->channels[i] = chan; | |
6998 | i++; | |
6999 | } | |
7000 | } | |
7001 | } | |
7002 | ||
7003 | if (!i) { | |
7004 | err = -EINVAL; | |
7005 | goto out_free; | |
7006 | } | |
7007 | ||
7008 | request->n_channels = i; | |
7009 | ||
7010 | i = 0; | |
13874e4b | 7011 | if (n_ssids) { |
256da02d | 7012 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], |
807f8a8c | 7013 | tmp) { |
57a27e1d | 7014 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
7015 | err = -EINVAL; |
7016 | goto out_free; | |
7017 | } | |
57a27e1d | 7018 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
7019 | memcpy(request->ssids[i].ssid, nla_data(attr), |
7020 | nla_len(attr)); | |
807f8a8c LC |
7021 | i++; |
7022 | } | |
7023 | } | |
7024 | ||
a1f1c21c | 7025 | i = 0; |
256da02d | 7026 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 7027 | nla_for_each_nested(attr, |
256da02d | 7028 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 7029 | tmp) { |
88e920b4 | 7030 | struct nlattr *ssid, *rssi; |
a1f1c21c | 7031 | |
ae811e21 JB |
7032 | err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, |
7033 | nla_data(attr), nla_len(attr), | |
7034 | nl80211_match_policy); | |
7035 | if (err) | |
7036 | goto out_free; | |
4a4ab0d7 | 7037 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
a1f1c21c | 7038 | if (ssid) { |
ea73cbce JB |
7039 | if (WARN_ON(i >= n_match_sets)) { |
7040 | /* this indicates a programming error, | |
7041 | * the loop above should have verified | |
7042 | * things properly | |
7043 | */ | |
7044 | err = -EINVAL; | |
7045 | goto out_free; | |
7046 | } | |
7047 | ||
a1f1c21c LC |
7048 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
7049 | err = -EINVAL; | |
7050 | goto out_free; | |
7051 | } | |
7052 | memcpy(request->match_sets[i].ssid.ssid, | |
7053 | nla_data(ssid), nla_len(ssid)); | |
7054 | request->match_sets[i].ssid.ssid_len = | |
7055 | nla_len(ssid); | |
56ab364f | 7056 | /* special attribute - old implementation w/a */ |
ea73cbce JB |
7057 | request->match_sets[i].rssi_thold = |
7058 | default_match_rssi; | |
7059 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
7060 | if (rssi) | |
7061 | request->match_sets[i].rssi_thold = | |
7062 | nla_get_s32(rssi); | |
a1f1c21c LC |
7063 | } |
7064 | i++; | |
7065 | } | |
ea73cbce JB |
7066 | |
7067 | /* there was no other matchset, so the RSSI one is alone */ | |
f89f46cf | 7068 | if (i == 0 && n_match_sets) |
ea73cbce JB |
7069 | request->match_sets[0].rssi_thold = default_match_rssi; |
7070 | ||
7071 | request->min_rssi_thold = INT_MAX; | |
7072 | for (i = 0; i < n_match_sets; i++) | |
7073 | request->min_rssi_thold = | |
7074 | min(request->match_sets[i].rssi_thold, | |
7075 | request->min_rssi_thold); | |
7076 | } else { | |
7077 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
7078 | } |
7079 | ||
9900e484 JB |
7080 | if (ie_len) { |
7081 | request->ie_len = ie_len; | |
807f8a8c | 7082 | memcpy((void *)request->ie, |
256da02d | 7083 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
7084 | request->ie_len); |
7085 | } | |
7086 | ||
256da02d | 7087 | if (attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 | 7088 | request->flags = nla_get_u32( |
256da02d | 7089 | attrs[NL80211_ATTR_SCAN_FLAGS]); |
00c3a6ed JB |
7090 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
7091 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
7092 | err = -EOPNOTSUPP; |
7093 | goto out_free; | |
7094 | } | |
ad2b26ab JB |
7095 | |
7096 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
7097 | u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; | |
7098 | ||
7099 | if (!wdev) /* must be net-detect */ | |
7100 | flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
7101 | ||
7102 | if (!(wiphy->features & flg)) { | |
7103 | err = -EOPNOTSUPP; | |
7104 | goto out_free; | |
7105 | } | |
7106 | ||
7107 | if (wdev && wdev->current_bss) { | |
7108 | err = -EOPNOTSUPP; | |
7109 | goto out_free; | |
7110 | } | |
7111 | ||
7112 | err = nl80211_parse_random_mac(attrs, request->mac_addr, | |
7113 | request->mac_addr_mask); | |
7114 | if (err) | |
7115 | goto out_free; | |
7116 | } | |
46856bbf | 7117 | } |
ed473771 | 7118 | |
9c748934 LC |
7119 | if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY]) |
7120 | request->delay = | |
7121 | nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]); | |
7122 | ||
3b06d277 AS |
7123 | err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs); |
7124 | if (err) | |
7125 | goto out_free; | |
7126 | ||
15d6030b | 7127 | request->scan_start = jiffies; |
807f8a8c | 7128 | |
256da02d | 7129 | return request; |
807f8a8c LC |
7130 | |
7131 | out_free: | |
7132 | kfree(request); | |
256da02d LC |
7133 | return ERR_PTR(err); |
7134 | } | |
7135 | ||
7136 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
7137 | struct genl_info *info) | |
7138 | { | |
7139 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7140 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 7141 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
31a60ed1 | 7142 | struct cfg80211_sched_scan_request *sched_scan_req; |
256da02d LC |
7143 | int err; |
7144 | ||
7145 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
7146 | !rdev->ops->sched_scan_start) | |
7147 | return -EOPNOTSUPP; | |
7148 | ||
7149 | if (rdev->sched_scan_req) | |
7150 | return -EINPROGRESS; | |
7151 | ||
31a60ed1 JR |
7152 | sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
7153 | info->attrs); | |
7154 | ||
7155 | err = PTR_ERR_OR_ZERO(sched_scan_req); | |
256da02d LC |
7156 | if (err) |
7157 | goto out_err; | |
7158 | ||
31a60ed1 | 7159 | err = rdev_sched_scan_start(rdev, dev, sched_scan_req); |
256da02d LC |
7160 | if (err) |
7161 | goto out_free; | |
7162 | ||
31a60ed1 JR |
7163 | sched_scan_req->dev = dev; |
7164 | sched_scan_req->wiphy = &rdev->wiphy; | |
7165 | ||
93a1e86c JR |
7166 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
7167 | sched_scan_req->owner_nlportid = info->snd_portid; | |
7168 | ||
31a60ed1 | 7169 | rcu_assign_pointer(rdev->sched_scan_req, sched_scan_req); |
256da02d LC |
7170 | |
7171 | nl80211_send_sched_scan(rdev, dev, | |
7172 | NL80211_CMD_START_SCHED_SCAN); | |
7173 | return 0; | |
7174 | ||
7175 | out_free: | |
31a60ed1 | 7176 | kfree(sched_scan_req); |
256da02d | 7177 | out_err: |
807f8a8c LC |
7178 | return err; |
7179 | } | |
7180 | ||
7181 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
7182 | struct genl_info *info) | |
7183 | { | |
7184 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7185 | ||
7186 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || | |
7187 | !rdev->ops->sched_scan_stop) | |
7188 | return -EOPNOTSUPP; | |
7189 | ||
5fe231e8 | 7190 | return __cfg80211_stop_sched_scan(rdev, false); |
807f8a8c LC |
7191 | } |
7192 | ||
04f39047 SW |
7193 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
7194 | struct genl_info *info) | |
7195 | { | |
7196 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7197 | struct net_device *dev = info->user_ptr[1]; | |
7198 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7199 | struct cfg80211_chan_def chandef; | |
55f7435c | 7200 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 7201 | unsigned int cac_time_ms; |
04f39047 SW |
7202 | int err; |
7203 | ||
55f7435c LR |
7204 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
7205 | if (dfs_region == NL80211_DFS_UNSET) | |
7206 | return -EINVAL; | |
7207 | ||
04f39047 SW |
7208 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7209 | if (err) | |
7210 | return err; | |
7211 | ||
ff311bc1 SW |
7212 | if (netif_carrier_ok(dev)) |
7213 | return -EBUSY; | |
7214 | ||
04f39047 SW |
7215 | if (wdev->cac_started) |
7216 | return -EBUSY; | |
7217 | ||
2beb6dab | 7218 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 7219 | wdev->iftype); |
04f39047 SW |
7220 | if (err < 0) |
7221 | return err; | |
7222 | ||
7223 | if (err == 0) | |
7224 | return -EINVAL; | |
7225 | ||
fe7c3a1f | 7226 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
7227 | return -EINVAL; |
7228 | ||
7229 | if (!rdev->ops->start_radar_detection) | |
7230 | return -EOPNOTSUPP; | |
7231 | ||
31559f35 JD |
7232 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
7233 | if (WARN_ON(!cac_time_ms)) | |
7234 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
7235 | ||
a1056b1b | 7236 | err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms); |
04f39047 | 7237 | if (!err) { |
9e0e2961 | 7238 | wdev->chandef = chandef; |
04f39047 SW |
7239 | wdev->cac_started = true; |
7240 | wdev->cac_start_time = jiffies; | |
31559f35 | 7241 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 7242 | } |
04f39047 SW |
7243 | return err; |
7244 | } | |
7245 | ||
16ef1fe2 SW |
7246 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
7247 | { | |
7248 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7249 | struct net_device *dev = info->user_ptr[1]; | |
7250 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7251 | struct cfg80211_csa_settings params; | |
7252 | /* csa_attrs is defined static to avoid waste of stack size - this | |
7253 | * function is called under RTNL lock, so this should not be a problem. | |
7254 | */ | |
7255 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
16ef1fe2 | 7256 | int err; |
ee4bc9e7 | 7257 | bool need_new_beacon = false; |
9a774c78 | 7258 | int len, i; |
252e07ca | 7259 | u32 cs_count; |
16ef1fe2 SW |
7260 | |
7261 | if (!rdev->ops->channel_switch || | |
7262 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
7263 | return -EOPNOTSUPP; | |
7264 | ||
ee4bc9e7 SW |
7265 | switch (dev->ieee80211_ptr->iftype) { |
7266 | case NL80211_IFTYPE_AP: | |
7267 | case NL80211_IFTYPE_P2P_GO: | |
7268 | need_new_beacon = true; | |
7269 | ||
7270 | /* useless if AP is not running */ | |
7271 | if (!wdev->beacon_interval) | |
1ff79dfa | 7272 | return -ENOTCONN; |
ee4bc9e7 SW |
7273 | break; |
7274 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
7275 | if (!wdev->ssid_len) |
7276 | return -ENOTCONN; | |
7277 | break; | |
c6da674a | 7278 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
7279 | if (!wdev->mesh_id_len) |
7280 | return -ENOTCONN; | |
ee4bc9e7 SW |
7281 | break; |
7282 | default: | |
16ef1fe2 | 7283 | return -EOPNOTSUPP; |
ee4bc9e7 | 7284 | } |
16ef1fe2 SW |
7285 | |
7286 | memset(¶ms, 0, sizeof(params)); | |
7287 | ||
7288 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7289 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
7290 | return -EINVAL; | |
7291 | ||
7292 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 7293 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
7294 | return -EINVAL; |
7295 | ||
252e07ca LC |
7296 | /* Even though the attribute is u32, the specification says |
7297 | * u8, so let's make sure we don't overflow. | |
7298 | */ | |
7299 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
7300 | if (cs_count > 255) | |
7301 | return -EINVAL; | |
7302 | ||
7303 | params.count = cs_count; | |
16ef1fe2 | 7304 | |
ee4bc9e7 SW |
7305 | if (!need_new_beacon) |
7306 | goto skip_beacons; | |
7307 | ||
16ef1fe2 SW |
7308 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
7309 | if (err) | |
7310 | return err; | |
7311 | ||
7312 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
7313 | info->attrs[NL80211_ATTR_CSA_IES], | |
7314 | nl80211_policy); | |
7315 | if (err) | |
7316 | return err; | |
7317 | ||
7318 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
7319 | if (err) | |
7320 | return err; | |
7321 | ||
7322 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
7323 | return -EINVAL; | |
7324 | ||
9a774c78 AO |
7325 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
7326 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7327 | return -EINVAL; |
7328 | ||
9a774c78 AO |
7329 | params.n_counter_offsets_beacon = len / sizeof(u16); |
7330 | if (rdev->wiphy.max_num_csa_counters && | |
7331 | (params.n_counter_offsets_beacon > | |
7332 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
7333 | return -EINVAL; |
7334 | ||
9a774c78 AO |
7335 | params.counter_offsets_beacon = |
7336 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
7337 | ||
7338 | /* sanity checks - counters should fit and be the same */ | |
7339 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
7340 | u16 offset = params.counter_offsets_beacon[i]; | |
7341 | ||
7342 | if (offset >= params.beacon_csa.tail_len) | |
7343 | return -EINVAL; | |
7344 | ||
7345 | if (params.beacon_csa.tail[offset] != params.count) | |
7346 | return -EINVAL; | |
7347 | } | |
7348 | ||
16ef1fe2 | 7349 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
7350 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
7351 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7352 | return -EINVAL; |
7353 | ||
9a774c78 AO |
7354 | params.n_counter_offsets_presp = len / sizeof(u16); |
7355 | if (rdev->wiphy.max_num_csa_counters && | |
ad5987b4 | 7356 | (params.n_counter_offsets_presp > |
9a774c78 | 7357 | rdev->wiphy.max_num_csa_counters)) |
16ef1fe2 | 7358 | return -EINVAL; |
9a774c78 AO |
7359 | |
7360 | params.counter_offsets_presp = | |
7361 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
7362 | ||
7363 | /* sanity checks - counters should fit and be the same */ | |
7364 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
7365 | u16 offset = params.counter_offsets_presp[i]; | |
7366 | ||
7367 | if (offset >= params.beacon_csa.probe_resp_len) | |
7368 | return -EINVAL; | |
7369 | ||
7370 | if (params.beacon_csa.probe_resp[offset] != | |
7371 | params.count) | |
7372 | return -EINVAL; | |
7373 | } | |
16ef1fe2 SW |
7374 | } |
7375 | ||
ee4bc9e7 | 7376 | skip_beacons: |
16ef1fe2 SW |
7377 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
7378 | if (err) | |
7379 | return err; | |
7380 | ||
923b352f AN |
7381 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
7382 | wdev->iftype)) | |
16ef1fe2 SW |
7383 | return -EINVAL; |
7384 | ||
2beb6dab LC |
7385 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
7386 | ¶ms.chandef, | |
7387 | wdev->iftype); | |
7388 | if (err < 0) | |
7389 | return err; | |
7390 | ||
dcc6c2f5 | 7391 | if (err > 0) |
2beb6dab | 7392 | params.radar_required = true; |
16ef1fe2 | 7393 | |
16ef1fe2 SW |
7394 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
7395 | params.block_tx = true; | |
7396 | ||
c56589ed SW |
7397 | wdev_lock(wdev); |
7398 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
7399 | wdev_unlock(wdev); | |
7400 | ||
7401 | return err; | |
16ef1fe2 SW |
7402 | } |
7403 | ||
9720bb3a JB |
7404 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
7405 | u32 seq, int flags, | |
2a519311 | 7406 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
7407 | struct wireless_dev *wdev, |
7408 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 7409 | { |
48ab905d | 7410 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 7411 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
7412 | void *hdr; |
7413 | struct nlattr *bss; | |
48ab905d JB |
7414 | |
7415 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 7416 | |
15e47304 | 7417 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
7418 | NL80211_CMD_NEW_SCAN_RESULTS); |
7419 | if (!hdr) | |
7420 | return -1; | |
7421 | ||
9720bb3a JB |
7422 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
7423 | ||
97990a06 JB |
7424 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
7425 | goto nla_put_failure; | |
7426 | if (wdev->netdev && | |
9360ffd1 DM |
7427 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
7428 | goto nla_put_failure; | |
2dad624e ND |
7429 | if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
7430 | NL80211_ATTR_PAD)) | |
97990a06 | 7431 | goto nla_put_failure; |
2a519311 JB |
7432 | |
7433 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
7434 | if (!bss) | |
7435 | goto nla_put_failure; | |
9360ffd1 | 7436 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 7437 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 7438 | goto nla_put_failure; |
9caf0364 JB |
7439 | |
7440 | rcu_read_lock(); | |
0e227084 JB |
7441 | /* indicate whether we have probe response data or not */ |
7442 | if (rcu_access_pointer(res->proberesp_ies) && | |
7443 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
7444 | goto fail_unlock_rcu; | |
7445 | ||
7446 | /* this pointer prefers to be pointed to probe response data | |
7447 | * but is always valid | |
7448 | */ | |
9caf0364 | 7449 | ies = rcu_dereference(res->ies); |
8cef2c9d | 7450 | if (ies) { |
2dad624e ND |
7451 | if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf, |
7452 | NL80211_BSS_PAD)) | |
8cef2c9d | 7453 | goto fail_unlock_rcu; |
8cef2c9d JB |
7454 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
7455 | ies->len, ies->data)) | |
7456 | goto fail_unlock_rcu; | |
9caf0364 | 7457 | } |
0e227084 JB |
7458 | |
7459 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 7460 | ies = rcu_dereference(res->beacon_ies); |
0e227084 | 7461 | if (ies && ies->from_beacon) { |
2dad624e ND |
7462 | if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf, |
7463 | NL80211_BSS_PAD)) | |
8cef2c9d JB |
7464 | goto fail_unlock_rcu; |
7465 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
7466 | ies->len, ies->data)) | |
7467 | goto fail_unlock_rcu; | |
9caf0364 JB |
7468 | } |
7469 | rcu_read_unlock(); | |
7470 | ||
9360ffd1 DM |
7471 | if (res->beacon_interval && |
7472 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
7473 | goto nla_put_failure; | |
7474 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
7475 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 7476 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
7477 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
7478 | jiffies_to_msecs(jiffies - intbss->ts))) | |
7479 | goto nla_put_failure; | |
2a519311 | 7480 | |
1d76250b AS |
7481 | if (intbss->parent_tsf && |
7482 | (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF, | |
7483 | intbss->parent_tsf, NL80211_BSS_PAD) || | |
7484 | nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN, | |
7485 | intbss->parent_bssid))) | |
7486 | goto nla_put_failure; | |
7487 | ||
6e19bc4b | 7488 | if (intbss->ts_boottime && |
2dad624e ND |
7489 | nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME, |
7490 | intbss->ts_boottime, NL80211_BSS_PAD)) | |
6e19bc4b DS |
7491 | goto nla_put_failure; |
7492 | ||
77965c97 | 7493 | switch (rdev->wiphy.signal_type) { |
2a519311 | 7494 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
7495 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
7496 | goto nla_put_failure; | |
2a519311 JB |
7497 | break; |
7498 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
7499 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
7500 | goto nla_put_failure; | |
2a519311 JB |
7501 | break; |
7502 | default: | |
7503 | break; | |
7504 | } | |
7505 | ||
48ab905d | 7506 | switch (wdev->iftype) { |
074ac8df | 7507 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 7508 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
7509 | if (intbss == wdev->current_bss && |
7510 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7511 | NL80211_BSS_STATUS_ASSOCIATED)) | |
7512 | goto nla_put_failure; | |
48ab905d JB |
7513 | break; |
7514 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
7515 | if (intbss == wdev->current_bss && |
7516 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7517 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
7518 | goto nla_put_failure; | |
48ab905d JB |
7519 | break; |
7520 | default: | |
7521 | break; | |
7522 | } | |
7523 | ||
2a519311 JB |
7524 | nla_nest_end(msg, bss); |
7525 | ||
053c095a JB |
7526 | genlmsg_end(msg, hdr); |
7527 | return 0; | |
2a519311 | 7528 | |
8cef2c9d JB |
7529 | fail_unlock_rcu: |
7530 | rcu_read_unlock(); | |
2a519311 JB |
7531 | nla_put_failure: |
7532 | genlmsg_cancel(msg, hdr); | |
7533 | return -EMSGSIZE; | |
7534 | } | |
7535 | ||
97990a06 | 7536 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 7537 | { |
48ab905d | 7538 | struct cfg80211_registered_device *rdev; |
2a519311 | 7539 | struct cfg80211_internal_bss *scan; |
48ab905d | 7540 | struct wireless_dev *wdev; |
97990a06 | 7541 | int start = cb->args[2], idx = 0; |
2a519311 JB |
7542 | int err; |
7543 | ||
97990a06 | 7544 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
7545 | if (err) |
7546 | return err; | |
2a519311 | 7547 | |
48ab905d JB |
7548 | wdev_lock(wdev); |
7549 | spin_lock_bh(&rdev->bss_lock); | |
7550 | cfg80211_bss_expire(rdev); | |
7551 | ||
9720bb3a JB |
7552 | cb->seq = rdev->bss_generation; |
7553 | ||
48ab905d | 7554 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
7555 | if (++idx <= start) |
7556 | continue; | |
9720bb3a | 7557 | if (nl80211_send_bss(skb, cb, |
2a519311 | 7558 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 7559 | rdev, wdev, scan) < 0) { |
2a519311 | 7560 | idx--; |
67748893 | 7561 | break; |
2a519311 JB |
7562 | } |
7563 | } | |
7564 | ||
48ab905d JB |
7565 | spin_unlock_bh(&rdev->bss_lock); |
7566 | wdev_unlock(wdev); | |
2a519311 | 7567 | |
97990a06 JB |
7568 | cb->args[2] = idx; |
7569 | nl80211_finish_wdev_dump(rdev); | |
2a519311 | 7570 | |
67748893 | 7571 | return skb->len; |
2a519311 JB |
7572 | } |
7573 | ||
15e47304 | 7574 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
11f78ac3 JB |
7575 | int flags, struct net_device *dev, |
7576 | bool allow_radio_stats, | |
7577 | struct survey_info *survey) | |
61fa713c HS |
7578 | { |
7579 | void *hdr; | |
7580 | struct nlattr *infoattr; | |
7581 | ||
11f78ac3 JB |
7582 | /* skip radio stats if userspace didn't request them */ |
7583 | if (!survey->channel && !allow_radio_stats) | |
7584 | return 0; | |
7585 | ||
15e47304 | 7586 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
7587 | NL80211_CMD_NEW_SURVEY_RESULTS); |
7588 | if (!hdr) | |
7589 | return -ENOMEM; | |
7590 | ||
9360ffd1 DM |
7591 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
7592 | goto nla_put_failure; | |
61fa713c HS |
7593 | |
7594 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
7595 | if (!infoattr) | |
7596 | goto nla_put_failure; | |
7597 | ||
11f78ac3 JB |
7598 | if (survey->channel && |
7599 | nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
9360ffd1 DM |
7600 | survey->channel->center_freq)) |
7601 | goto nla_put_failure; | |
7602 | ||
7603 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
7604 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
7605 | goto nla_put_failure; | |
7606 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
7607 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
7608 | goto nla_put_failure; | |
4ed20beb | 7609 | if ((survey->filled & SURVEY_INFO_TIME) && |
2dad624e ND |
7610 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME, |
7611 | survey->time, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7612 | goto nla_put_failure; |
4ed20beb | 7613 | if ((survey->filled & SURVEY_INFO_TIME_BUSY) && |
2dad624e ND |
7614 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY, |
7615 | survey->time_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7616 | goto nla_put_failure; |
4ed20beb | 7617 | if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) && |
2dad624e ND |
7618 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY, |
7619 | survey->time_ext_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7620 | goto nla_put_failure; |
4ed20beb | 7621 | if ((survey->filled & SURVEY_INFO_TIME_RX) && |
2dad624e ND |
7622 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX, |
7623 | survey->time_rx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7624 | goto nla_put_failure; |
4ed20beb | 7625 | if ((survey->filled & SURVEY_INFO_TIME_TX) && |
2dad624e ND |
7626 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX, |
7627 | survey->time_tx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7628 | goto nla_put_failure; |
052536ab | 7629 | if ((survey->filled & SURVEY_INFO_TIME_SCAN) && |
2dad624e ND |
7630 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN, |
7631 | survey->time_scan, NL80211_SURVEY_INFO_PAD)) | |
052536ab | 7632 | goto nla_put_failure; |
61fa713c HS |
7633 | |
7634 | nla_nest_end(msg, infoattr); | |
7635 | ||
053c095a JB |
7636 | genlmsg_end(msg, hdr); |
7637 | return 0; | |
61fa713c HS |
7638 | |
7639 | nla_put_failure: | |
7640 | genlmsg_cancel(msg, hdr); | |
7641 | return -EMSGSIZE; | |
7642 | } | |
7643 | ||
11f78ac3 | 7644 | static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) |
61fa713c HS |
7645 | { |
7646 | struct survey_info survey; | |
1b8ec87a | 7647 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
7648 | struct wireless_dev *wdev; |
7649 | int survey_idx = cb->args[2]; | |
61fa713c | 7650 | int res; |
11f78ac3 | 7651 | bool radio_stats; |
61fa713c | 7652 | |
1b8ec87a | 7653 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 JB |
7654 | if (res) |
7655 | return res; | |
61fa713c | 7656 | |
11f78ac3 JB |
7657 | /* prepare_wdev_dump parsed the attributes */ |
7658 | radio_stats = nl80211_fam.attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; | |
7659 | ||
97990a06 JB |
7660 | if (!wdev->netdev) { |
7661 | res = -EINVAL; | |
7662 | goto out_err; | |
7663 | } | |
7664 | ||
1b8ec87a | 7665 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
7666 | res = -EOPNOTSUPP; |
7667 | goto out_err; | |
7668 | } | |
7669 | ||
7670 | while (1) { | |
1b8ec87a | 7671 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
7672 | if (res == -ENOENT) |
7673 | break; | |
7674 | if (res) | |
7675 | goto out_err; | |
7676 | ||
11f78ac3 JB |
7677 | /* don't send disabled channels, but do send non-channel data */ |
7678 | if (survey.channel && | |
7679 | survey.channel->flags & IEEE80211_CHAN_DISABLED) { | |
180cdc79 LR |
7680 | survey_idx++; |
7681 | continue; | |
7682 | } | |
7683 | ||
61fa713c | 7684 | if (nl80211_send_survey(skb, |
15e47304 | 7685 | NETLINK_CB(cb->skb).portid, |
61fa713c | 7686 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
11f78ac3 | 7687 | wdev->netdev, radio_stats, &survey) < 0) |
61fa713c HS |
7688 | goto out; |
7689 | survey_idx++; | |
7690 | } | |
7691 | ||
7692 | out: | |
97990a06 | 7693 | cb->args[2] = survey_idx; |
61fa713c HS |
7694 | res = skb->len; |
7695 | out_err: | |
1b8ec87a | 7696 | nl80211_finish_wdev_dump(rdev); |
61fa713c HS |
7697 | return res; |
7698 | } | |
7699 | ||
b23aa676 SO |
7700 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
7701 | { | |
7702 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
7703 | NL80211_WPA_VERSION_2)); | |
7704 | } | |
7705 | ||
636a5d36 JM |
7706 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
7707 | { | |
4c476991 JB |
7708 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7709 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7710 | struct ieee80211_channel *chan; |
e39e5b5e JM |
7711 | const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL; |
7712 | int err, ssid_len, ie_len = 0, sae_data_len = 0; | |
19957bb3 | 7713 | enum nl80211_auth_type auth_type; |
fffd0934 | 7714 | struct key_parse key; |
d5cdfacb | 7715 | bool local_state_change; |
636a5d36 | 7716 | |
f4a11bb0 JB |
7717 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7718 | return -EINVAL; | |
7719 | ||
7720 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7721 | return -EINVAL; | |
7722 | ||
1778092e JM |
7723 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
7724 | return -EINVAL; | |
7725 | ||
19957bb3 JB |
7726 | if (!info->attrs[NL80211_ATTR_SSID]) |
7727 | return -EINVAL; | |
7728 | ||
7729 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7730 | return -EINVAL; | |
7731 | ||
fffd0934 JB |
7732 | err = nl80211_parse_key(info, &key); |
7733 | if (err) | |
7734 | return err; | |
7735 | ||
7736 | if (key.idx >= 0) { | |
e31b8213 JB |
7737 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
7738 | return -EINVAL; | |
fffd0934 JB |
7739 | if (!key.p.key || !key.p.key_len) |
7740 | return -EINVAL; | |
7741 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
7742 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
7743 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
7744 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
7745 | return -EINVAL; | |
b6b5555b | 7746 | if (key.idx > 3) |
fffd0934 JB |
7747 | return -EINVAL; |
7748 | } else { | |
7749 | key.p.key_len = 0; | |
7750 | key.p.key = NULL; | |
7751 | } | |
7752 | ||
afea0b7a JB |
7753 | if (key.idx >= 0) { |
7754 | int i; | |
7755 | bool ok = false; | |
7a087e74 | 7756 | |
afea0b7a JB |
7757 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { |
7758 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
7759 | ok = true; | |
7760 | break; | |
7761 | } | |
7762 | } | |
4c476991 JB |
7763 | if (!ok) |
7764 | return -EINVAL; | |
afea0b7a JB |
7765 | } |
7766 | ||
4c476991 JB |
7767 | if (!rdev->ops->auth) |
7768 | return -EOPNOTSUPP; | |
636a5d36 | 7769 | |
074ac8df | 7770 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7771 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7772 | return -EOPNOTSUPP; | |
eec60b03 | 7773 | |
19957bb3 | 7774 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
7775 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
7776 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7777 | if (!chan) | |
4c476991 | 7778 | return -EINVAL; |
636a5d36 | 7779 | |
19957bb3 JB |
7780 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7781 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
7782 | |
7783 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
7784 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7785 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7786 | } |
7787 | ||
19957bb3 | 7788 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 7789 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 7790 | return -EINVAL; |
636a5d36 | 7791 | |
e39e5b5e JM |
7792 | if (auth_type == NL80211_AUTHTYPE_SAE && |
7793 | !info->attrs[NL80211_ATTR_SAE_DATA]) | |
7794 | return -EINVAL; | |
7795 | ||
7796 | if (info->attrs[NL80211_ATTR_SAE_DATA]) { | |
7797 | if (auth_type != NL80211_AUTHTYPE_SAE) | |
7798 | return -EINVAL; | |
7799 | sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]); | |
7800 | sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]); | |
7801 | /* need to include at least Auth Transaction and Status Code */ | |
7802 | if (sae_data_len < 4) | |
7803 | return -EINVAL; | |
7804 | } | |
7805 | ||
d5cdfacb JM |
7806 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
7807 | ||
95de817b JB |
7808 | /* |
7809 | * Since we no longer track auth state, ignore | |
7810 | * requests to only change local state. | |
7811 | */ | |
7812 | if (local_state_change) | |
7813 | return 0; | |
7814 | ||
91bf9b26 JB |
7815 | wdev_lock(dev->ieee80211_ptr); |
7816 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
7817 | ssid, ssid_len, ie, ie_len, | |
7818 | key.p.key, key.p.key_len, key.idx, | |
7819 | sae_data, sae_data_len); | |
7820 | wdev_unlock(dev->ieee80211_ptr); | |
7821 | return err; | |
636a5d36 JM |
7822 | } |
7823 | ||
c0692b8f JB |
7824 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
7825 | struct genl_info *info, | |
3dc27d25 JB |
7826 | struct cfg80211_crypto_settings *settings, |
7827 | int cipher_limit) | |
b23aa676 | 7828 | { |
c0b2bbd8 JB |
7829 | memset(settings, 0, sizeof(*settings)); |
7830 | ||
b23aa676 SO |
7831 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
7832 | ||
c0692b8f JB |
7833 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
7834 | u16 proto; | |
7a087e74 | 7835 | |
c0692b8f JB |
7836 | proto = nla_get_u16( |
7837 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
7838 | settings->control_port_ethertype = cpu_to_be16(proto); | |
7839 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
7840 | proto != ETH_P_PAE) | |
7841 | return -EINVAL; | |
7842 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
7843 | settings->control_port_no_encrypt = true; | |
7844 | } else | |
7845 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
7846 | ||
b23aa676 SO |
7847 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
7848 | void *data; | |
7849 | int len, i; | |
7850 | ||
7851 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
7852 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
7853 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
7854 | ||
7855 | if (len % sizeof(u32)) | |
7856 | return -EINVAL; | |
7857 | ||
3dc27d25 | 7858 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
7859 | return -EINVAL; |
7860 | ||
7861 | memcpy(settings->ciphers_pairwise, data, len); | |
7862 | ||
7863 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
7864 | if (!cfg80211_supported_cipher_suite( |
7865 | &rdev->wiphy, | |
b23aa676 SO |
7866 | settings->ciphers_pairwise[i])) |
7867 | return -EINVAL; | |
7868 | } | |
7869 | ||
7870 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
7871 | settings->cipher_group = | |
7872 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
7873 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
7874 | settings->cipher_group)) | |
b23aa676 SO |
7875 | return -EINVAL; |
7876 | } | |
7877 | ||
7878 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
7879 | settings->wpa_versions = | |
7880 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
7881 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
7882 | return -EINVAL; | |
7883 | } | |
7884 | ||
7885 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
7886 | void *data; | |
6d30240e | 7887 | int len; |
b23aa676 SO |
7888 | |
7889 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
7890 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
7891 | settings->n_akm_suites = len / sizeof(u32); | |
7892 | ||
7893 | if (len % sizeof(u32)) | |
7894 | return -EINVAL; | |
7895 | ||
1b9ca027 JM |
7896 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
7897 | return -EINVAL; | |
7898 | ||
b23aa676 | 7899 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
7900 | } |
7901 | ||
7902 | return 0; | |
7903 | } | |
7904 | ||
636a5d36 JM |
7905 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
7906 | { | |
4c476991 JB |
7907 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7908 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 7909 | struct ieee80211_channel *chan; |
f62fab73 JB |
7910 | struct cfg80211_assoc_request req = {}; |
7911 | const u8 *bssid, *ssid; | |
7912 | int err, ssid_len = 0; | |
636a5d36 | 7913 | |
f4a11bb0 JB |
7914 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7915 | return -EINVAL; | |
7916 | ||
7917 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
7918 | !info->attrs[NL80211_ATTR_SSID] || |
7919 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
7920 | return -EINVAL; |
7921 | ||
4c476991 JB |
7922 | if (!rdev->ops->assoc) |
7923 | return -EOPNOTSUPP; | |
636a5d36 | 7924 | |
074ac8df | 7925 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
7926 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
7927 | return -EOPNOTSUPP; | |
eec60b03 | 7928 | |
19957bb3 | 7929 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 7930 | |
664834de JM |
7931 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
7932 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
7933 | if (!chan) | |
4c476991 | 7934 | return -EINVAL; |
636a5d36 | 7935 | |
19957bb3 JB |
7936 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
7937 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
7938 | |
7939 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
7940 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
7941 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
7942 | } |
7943 | ||
dc6382ce | 7944 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 7945 | enum nl80211_mfp mfp = |
dc6382ce | 7946 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 7947 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 7948 | req.use_mfp = true; |
4c476991 JB |
7949 | else if (mfp != NL80211_MFP_NO) |
7950 | return -EINVAL; | |
dc6382ce JM |
7951 | } |
7952 | ||
3e5d7649 | 7953 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 7954 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 7955 | |
7e7c8926 | 7956 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 7957 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
7958 | |
7959 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
7960 | memcpy(&req.ht_capa_mask, |
7961 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
7962 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
7963 | |
7964 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 7965 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 7966 | return -EINVAL; |
f62fab73 JB |
7967 | memcpy(&req.ht_capa, |
7968 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
7969 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
7970 | } |
7971 | ||
ee2aca34 | 7972 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 7973 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
7974 | |
7975 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
7976 | memcpy(&req.vht_capa_mask, |
7977 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
7978 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
7979 | |
7980 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 7981 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 7982 | return -EINVAL; |
f62fab73 JB |
7983 | memcpy(&req.vht_capa, |
7984 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
7985 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
7986 | } |
7987 | ||
bab5ab7d | 7988 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
7989 | if (!((rdev->wiphy.features & |
7990 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
7991 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
7992 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
7993 | NL80211_EXT_FEATURE_RRM)) | |
bab5ab7d AK |
7994 | return -EINVAL; |
7995 | req.flags |= ASSOC_REQ_USE_RRM; | |
7996 | } | |
7997 | ||
f62fab73 | 7998 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
7999 | if (!err) { |
8000 | wdev_lock(dev->ieee80211_ptr); | |
f62fab73 JB |
8001 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
8002 | ssid, ssid_len, &req); | |
91bf9b26 JB |
8003 | wdev_unlock(dev->ieee80211_ptr); |
8004 | } | |
636a5d36 | 8005 | |
636a5d36 JM |
8006 | return err; |
8007 | } | |
8008 | ||
8009 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
8010 | { | |
4c476991 JB |
8011 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8012 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8013 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8014 | int ie_len = 0, err; |
19957bb3 | 8015 | u16 reason_code; |
d5cdfacb | 8016 | bool local_state_change; |
636a5d36 | 8017 | |
f4a11bb0 JB |
8018 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8019 | return -EINVAL; | |
8020 | ||
8021 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8022 | return -EINVAL; | |
8023 | ||
8024 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8025 | return -EINVAL; | |
8026 | ||
4c476991 JB |
8027 | if (!rdev->ops->deauth) |
8028 | return -EOPNOTSUPP; | |
636a5d36 | 8029 | |
074ac8df | 8030 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8031 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8032 | return -EOPNOTSUPP; | |
eec60b03 | 8033 | |
19957bb3 | 8034 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8035 | |
19957bb3 JB |
8036 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8037 | if (reason_code == 0) { | |
f4a11bb0 | 8038 | /* Reason Code 0 is reserved */ |
4c476991 | 8039 | return -EINVAL; |
255e737e | 8040 | } |
636a5d36 JM |
8041 | |
8042 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8043 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8044 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8045 | } |
8046 | ||
d5cdfacb JM |
8047 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8048 | ||
91bf9b26 JB |
8049 | wdev_lock(dev->ieee80211_ptr); |
8050 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
8051 | local_state_change); | |
8052 | wdev_unlock(dev->ieee80211_ptr); | |
8053 | return err; | |
636a5d36 JM |
8054 | } |
8055 | ||
8056 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
8057 | { | |
4c476991 JB |
8058 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8059 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8060 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8061 | int ie_len = 0, err; |
19957bb3 | 8062 | u16 reason_code; |
d5cdfacb | 8063 | bool local_state_change; |
636a5d36 | 8064 | |
f4a11bb0 JB |
8065 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8066 | return -EINVAL; | |
8067 | ||
8068 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8069 | return -EINVAL; | |
8070 | ||
8071 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8072 | return -EINVAL; | |
8073 | ||
4c476991 JB |
8074 | if (!rdev->ops->disassoc) |
8075 | return -EOPNOTSUPP; | |
636a5d36 | 8076 | |
074ac8df | 8077 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8078 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8079 | return -EOPNOTSUPP; | |
eec60b03 | 8080 | |
19957bb3 | 8081 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8082 | |
19957bb3 JB |
8083 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8084 | if (reason_code == 0) { | |
f4a11bb0 | 8085 | /* Reason Code 0 is reserved */ |
4c476991 | 8086 | return -EINVAL; |
255e737e | 8087 | } |
636a5d36 JM |
8088 | |
8089 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8090 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8091 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8092 | } |
8093 | ||
d5cdfacb JM |
8094 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8095 | ||
91bf9b26 JB |
8096 | wdev_lock(dev->ieee80211_ptr); |
8097 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
8098 | local_state_change); | |
8099 | wdev_unlock(dev->ieee80211_ptr); | |
8100 | return err; | |
636a5d36 JM |
8101 | } |
8102 | ||
dd5b4cc7 FF |
8103 | static bool |
8104 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
57fbcce3 | 8105 | int mcast_rate[NUM_NL80211_BANDS], |
dd5b4cc7 FF |
8106 | int rateval) |
8107 | { | |
8108 | struct wiphy *wiphy = &rdev->wiphy; | |
8109 | bool found = false; | |
8110 | int band, i; | |
8111 | ||
57fbcce3 | 8112 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
dd5b4cc7 FF |
8113 | struct ieee80211_supported_band *sband; |
8114 | ||
8115 | sband = wiphy->bands[band]; | |
8116 | if (!sband) | |
8117 | continue; | |
8118 | ||
8119 | for (i = 0; i < sband->n_bitrates; i++) { | |
8120 | if (sband->bitrates[i].bitrate == rateval) { | |
8121 | mcast_rate[band] = i + 1; | |
8122 | found = true; | |
8123 | break; | |
8124 | } | |
8125 | } | |
8126 | } | |
8127 | ||
8128 | return found; | |
8129 | } | |
8130 | ||
04a773ad JB |
8131 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
8132 | { | |
4c476991 JB |
8133 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8134 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
8135 | struct cfg80211_ibss_params ibss; |
8136 | struct wiphy *wiphy; | |
fffd0934 | 8137 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
8138 | int err; |
8139 | ||
8e30bc55 JB |
8140 | memset(&ibss, 0, sizeof(ibss)); |
8141 | ||
04a773ad JB |
8142 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8143 | return -EINVAL; | |
8144 | ||
683b6d3b | 8145 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
8146 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
8147 | return -EINVAL; | |
8148 | ||
8e30bc55 JB |
8149 | ibss.beacon_interval = 100; |
8150 | ||
12d20fc9 | 8151 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) |
8e30bc55 JB |
8152 | ibss.beacon_interval = |
8153 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 PK |
8154 | |
8155 | err = cfg80211_validate_beacon_int(rdev, ibss.beacon_interval); | |
8156 | if (err) | |
8157 | return err; | |
8e30bc55 | 8158 | |
4c476991 JB |
8159 | if (!rdev->ops->join_ibss) |
8160 | return -EOPNOTSUPP; | |
04a773ad | 8161 | |
4c476991 JB |
8162 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8163 | return -EOPNOTSUPP; | |
04a773ad | 8164 | |
79c97e97 | 8165 | wiphy = &rdev->wiphy; |
04a773ad | 8166 | |
39193498 | 8167 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 8168 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
8169 | |
8170 | if (!is_valid_ether_addr(ibss.bssid)) | |
8171 | return -EINVAL; | |
8172 | } | |
04a773ad JB |
8173 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8174 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8175 | ||
8176 | if (info->attrs[NL80211_ATTR_IE]) { | |
8177 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8178 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8179 | } | |
8180 | ||
683b6d3b JB |
8181 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
8182 | if (err) | |
8183 | return err; | |
04a773ad | 8184 | |
174e0cd2 IP |
8185 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
8186 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
8187 | return -EINVAL; |
8188 | ||
2f301ab2 | 8189 | switch (ibss.chandef.width) { |
bf372645 SW |
8190 | case NL80211_CHAN_WIDTH_5: |
8191 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
8192 | case NL80211_CHAN_WIDTH_20_NOHT: |
8193 | break; | |
8194 | case NL80211_CHAN_WIDTH_20: | |
8195 | case NL80211_CHAN_WIDTH_40: | |
ffc11991 JD |
8196 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) |
8197 | return -EINVAL; | |
8198 | break; | |
8199 | case NL80211_CHAN_WIDTH_80: | |
8200 | case NL80211_CHAN_WIDTH_80P80: | |
8201 | case NL80211_CHAN_WIDTH_160: | |
8202 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
8203 | return -EINVAL; | |
8204 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
8205 | NL80211_EXT_FEATURE_VHT_IBSS)) | |
8206 | return -EINVAL; | |
8207 | break; | |
2f301ab2 | 8208 | default: |
c04d6150 | 8209 | return -EINVAL; |
2f301ab2 | 8210 | } |
db9c64cf | 8211 | |
04a773ad | 8212 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
8213 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
8214 | ||
fbd2c8dc TP |
8215 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8216 | u8 *rates = | |
8217 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8218 | int n_rates = | |
8219 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8220 | struct ieee80211_supported_band *sband = | |
683b6d3b | 8221 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 8222 | |
34850ab2 JB |
8223 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
8224 | &ibss.basic_rates); | |
8225 | if (err) | |
8226 | return err; | |
fbd2c8dc | 8227 | } |
dd5b4cc7 | 8228 | |
803768f5 SW |
8229 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
8230 | memcpy(&ibss.ht_capa_mask, | |
8231 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8232 | sizeof(ibss.ht_capa_mask)); | |
8233 | ||
8234 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
8235 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8236 | return -EINVAL; | |
8237 | memcpy(&ibss.ht_capa, | |
8238 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8239 | sizeof(ibss.ht_capa)); | |
8240 | } | |
8241 | ||
dd5b4cc7 FF |
8242 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8243 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
8244 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8245 | return -EINVAL; | |
fbd2c8dc | 8246 | |
4c476991 | 8247 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
8248 | bool no_ht = false; |
8249 | ||
4c476991 | 8250 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
8251 | info->attrs[NL80211_ATTR_KEYS], |
8252 | &no_ht); | |
4c476991 JB |
8253 | if (IS_ERR(connkeys)) |
8254 | return PTR_ERR(connkeys); | |
de7044ee | 8255 | |
3d9d1d66 JB |
8256 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
8257 | no_ht) { | |
5e950a78 | 8258 | kzfree(connkeys); |
de7044ee SM |
8259 | return -EINVAL; |
8260 | } | |
4c476991 | 8261 | } |
04a773ad | 8262 | |
267335d6 AQ |
8263 | ibss.control_port = |
8264 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
8265 | ||
5336fa88 SW |
8266 | ibss.userspace_handles_dfs = |
8267 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
8268 | ||
4c476991 | 8269 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 | 8270 | if (err) |
b47f610b | 8271 | kzfree(connkeys); |
04a773ad JB |
8272 | return err; |
8273 | } | |
8274 | ||
8275 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
8276 | { | |
4c476991 JB |
8277 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8278 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 8279 | |
4c476991 JB |
8280 | if (!rdev->ops->leave_ibss) |
8281 | return -EOPNOTSUPP; | |
04a773ad | 8282 | |
4c476991 JB |
8283 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8284 | return -EOPNOTSUPP; | |
04a773ad | 8285 | |
4c476991 | 8286 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
8287 | } |
8288 | ||
f4e583c8 AQ |
8289 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
8290 | { | |
8291 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8292 | struct net_device *dev = info->user_ptr[1]; | |
57fbcce3 | 8293 | int mcast_rate[NUM_NL80211_BANDS]; |
f4e583c8 AQ |
8294 | u32 nla_rate; |
8295 | int err; | |
8296 | ||
8297 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
876dc930 BVB |
8298 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
8299 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
f4e583c8 AQ |
8300 | return -EOPNOTSUPP; |
8301 | ||
8302 | if (!rdev->ops->set_mcast_rate) | |
8303 | return -EOPNOTSUPP; | |
8304 | ||
8305 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
8306 | ||
8307 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
8308 | return -EINVAL; | |
8309 | ||
8310 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
8311 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
8312 | return -EINVAL; | |
8313 | ||
a1056b1b | 8314 | err = rdev_set_mcast_rate(rdev, dev, mcast_rate); |
f4e583c8 AQ |
8315 | |
8316 | return err; | |
8317 | } | |
8318 | ||
ad7e718c JB |
8319 | static struct sk_buff * |
8320 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6c09e791 AK |
8321 | struct wireless_dev *wdev, int approxlen, |
8322 | u32 portid, u32 seq, enum nl80211_commands cmd, | |
567ffc35 JB |
8323 | enum nl80211_attrs attr, |
8324 | const struct nl80211_vendor_cmd_info *info, | |
8325 | gfp_t gfp) | |
ad7e718c JB |
8326 | { |
8327 | struct sk_buff *skb; | |
8328 | void *hdr; | |
8329 | struct nlattr *data; | |
8330 | ||
8331 | skb = nlmsg_new(approxlen + 100, gfp); | |
8332 | if (!skb) | |
8333 | return NULL; | |
8334 | ||
8335 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
8336 | if (!hdr) { | |
8337 | kfree_skb(skb); | |
8338 | return NULL; | |
8339 | } | |
8340 | ||
8341 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
8342 | goto nla_put_failure; | |
567ffc35 JB |
8343 | |
8344 | if (info) { | |
8345 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
8346 | info->vendor_id)) | |
8347 | goto nla_put_failure; | |
8348 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
8349 | info->subcmd)) | |
8350 | goto nla_put_failure; | |
8351 | } | |
8352 | ||
6c09e791 | 8353 | if (wdev) { |
2dad624e ND |
8354 | if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
8355 | wdev_id(wdev), NL80211_ATTR_PAD)) | |
6c09e791 AK |
8356 | goto nla_put_failure; |
8357 | if (wdev->netdev && | |
8358 | nla_put_u32(skb, NL80211_ATTR_IFINDEX, | |
8359 | wdev->netdev->ifindex)) | |
8360 | goto nla_put_failure; | |
8361 | } | |
8362 | ||
ad7e718c | 8363 | data = nla_nest_start(skb, attr); |
76e1fb4b JB |
8364 | if (!data) |
8365 | goto nla_put_failure; | |
ad7e718c JB |
8366 | |
8367 | ((void **)skb->cb)[0] = rdev; | |
8368 | ((void **)skb->cb)[1] = hdr; | |
8369 | ((void **)skb->cb)[2] = data; | |
8370 | ||
8371 | return skb; | |
8372 | ||
8373 | nla_put_failure: | |
8374 | kfree_skb(skb); | |
8375 | return NULL; | |
8376 | } | |
f4e583c8 | 8377 | |
e03ad6ea | 8378 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6c09e791 | 8379 | struct wireless_dev *wdev, |
e03ad6ea JB |
8380 | enum nl80211_commands cmd, |
8381 | enum nl80211_attrs attr, | |
8382 | int vendor_event_idx, | |
8383 | int approxlen, gfp_t gfp) | |
8384 | { | |
f26cbf40 | 8385 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
8386 | const struct nl80211_vendor_cmd_info *info; |
8387 | ||
8388 | switch (cmd) { | |
8389 | case NL80211_CMD_TESTMODE: | |
8390 | if (WARN_ON(vendor_event_idx != -1)) | |
8391 | return NULL; | |
8392 | info = NULL; | |
8393 | break; | |
8394 | case NL80211_CMD_VENDOR: | |
8395 | if (WARN_ON(vendor_event_idx < 0 || | |
8396 | vendor_event_idx >= wiphy->n_vendor_events)) | |
8397 | return NULL; | |
8398 | info = &wiphy->vendor_events[vendor_event_idx]; | |
8399 | break; | |
8400 | default: | |
8401 | WARN_ON(1); | |
8402 | return NULL; | |
8403 | } | |
8404 | ||
6c09e791 | 8405 | return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0, |
e03ad6ea JB |
8406 | cmd, attr, info, gfp); |
8407 | } | |
8408 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
8409 | ||
8410 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
8411 | { | |
8412 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
8413 | void *hdr = ((void **)skb->cb)[1]; | |
8414 | struct nlattr *data = ((void **)skb->cb)[2]; | |
8415 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
8416 | ||
bd8c78e7 JB |
8417 | /* clear CB data for netlink core to own from now on */ |
8418 | memset(skb->cb, 0, sizeof(skb->cb)); | |
8419 | ||
e03ad6ea JB |
8420 | nla_nest_end(skb, data); |
8421 | genlmsg_end(skb, hdr); | |
8422 | ||
8423 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
8424 | mcgrp = NL80211_MCGRP_VENDOR; | |
8425 | ||
8426 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
8427 | mcgrp, gfp); | |
8428 | } | |
8429 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
8430 | ||
aff89a9b | 8431 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
8432 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
8433 | { | |
4c476991 | 8434 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
8435 | struct wireless_dev *wdev = |
8436 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
8437 | int err; |
8438 | ||
fc73f11f DS |
8439 | if (!rdev->ops->testmode_cmd) |
8440 | return -EOPNOTSUPP; | |
8441 | ||
8442 | if (IS_ERR(wdev)) { | |
8443 | err = PTR_ERR(wdev); | |
8444 | if (err != -EINVAL) | |
8445 | return err; | |
8446 | wdev = NULL; | |
8447 | } else if (wdev->wiphy != &rdev->wiphy) { | |
8448 | return -EINVAL; | |
8449 | } | |
8450 | ||
aff89a9b JB |
8451 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
8452 | return -EINVAL; | |
8453 | ||
ad7e718c | 8454 | rdev->cur_cmd_info = info; |
fc73f11f | 8455 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
8456 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
8457 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 8458 | rdev->cur_cmd_info = NULL; |
aff89a9b | 8459 | |
aff89a9b JB |
8460 | return err; |
8461 | } | |
8462 | ||
71063f0e WYG |
8463 | static int nl80211_testmode_dump(struct sk_buff *skb, |
8464 | struct netlink_callback *cb) | |
8465 | { | |
00918d33 | 8466 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
8467 | int err; |
8468 | long phy_idx; | |
8469 | void *data = NULL; | |
8470 | int data_len = 0; | |
8471 | ||
5fe231e8 JB |
8472 | rtnl_lock(); |
8473 | ||
71063f0e WYG |
8474 | if (cb->args[0]) { |
8475 | /* | |
8476 | * 0 is a valid index, but not valid for args[0], | |
8477 | * so we need to offset by 1. | |
8478 | */ | |
8479 | phy_idx = cb->args[0] - 1; | |
8480 | } else { | |
8481 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
8482 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
8483 | nl80211_policy); | |
8484 | if (err) | |
5fe231e8 | 8485 | goto out_err; |
00918d33 | 8486 | |
2bd7e35d JB |
8487 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), |
8488 | nl80211_fam.attrbuf); | |
8489 | if (IS_ERR(rdev)) { | |
5fe231e8 JB |
8490 | err = PTR_ERR(rdev); |
8491 | goto out_err; | |
00918d33 | 8492 | } |
2bd7e35d JB |
8493 | phy_idx = rdev->wiphy_idx; |
8494 | rdev = NULL; | |
2bd7e35d | 8495 | |
71063f0e WYG |
8496 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
8497 | cb->args[1] = | |
8498 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; | |
8499 | } | |
8500 | ||
8501 | if (cb->args[1]) { | |
8502 | data = nla_data((void *)cb->args[1]); | |
8503 | data_len = nla_len((void *)cb->args[1]); | |
8504 | } | |
8505 | ||
00918d33 JB |
8506 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
8507 | if (!rdev) { | |
5fe231e8 JB |
8508 | err = -ENOENT; |
8509 | goto out_err; | |
71063f0e | 8510 | } |
71063f0e | 8511 | |
00918d33 | 8512 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
8513 | err = -EOPNOTSUPP; |
8514 | goto out_err; | |
8515 | } | |
8516 | ||
8517 | while (1) { | |
15e47304 | 8518 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
8519 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8520 | NL80211_CMD_TESTMODE); | |
8521 | struct nlattr *tmdata; | |
8522 | ||
cb35fba3 DC |
8523 | if (!hdr) |
8524 | break; | |
8525 | ||
9360ffd1 | 8526 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
8527 | genlmsg_cancel(skb, hdr); |
8528 | break; | |
8529 | } | |
8530 | ||
8531 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
8532 | if (!tmdata) { | |
8533 | genlmsg_cancel(skb, hdr); | |
8534 | break; | |
8535 | } | |
e35e4d28 | 8536 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
8537 | nla_nest_end(skb, tmdata); |
8538 | ||
8539 | if (err == -ENOBUFS || err == -ENOENT) { | |
8540 | genlmsg_cancel(skb, hdr); | |
8541 | break; | |
8542 | } else if (err) { | |
8543 | genlmsg_cancel(skb, hdr); | |
8544 | goto out_err; | |
8545 | } | |
8546 | ||
8547 | genlmsg_end(skb, hdr); | |
8548 | } | |
8549 | ||
8550 | err = skb->len; | |
8551 | /* see above */ | |
8552 | cb->args[0] = phy_idx + 1; | |
8553 | out_err: | |
5fe231e8 | 8554 | rtnl_unlock(); |
71063f0e WYG |
8555 | return err; |
8556 | } | |
aff89a9b JB |
8557 | #endif |
8558 | ||
b23aa676 SO |
8559 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
8560 | { | |
4c476991 JB |
8561 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8562 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
8563 | struct cfg80211_connect_params connect; |
8564 | struct wiphy *wiphy; | |
fffd0934 | 8565 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
8566 | int err; |
8567 | ||
8568 | memset(&connect, 0, sizeof(connect)); | |
8569 | ||
8570 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8571 | return -EINVAL; | |
8572 | ||
8573 | if (!info->attrs[NL80211_ATTR_SSID] || | |
8574 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
8575 | return -EINVAL; | |
8576 | ||
8577 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
8578 | connect.auth_type = | |
8579 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
8580 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
8581 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
8582 | return -EINVAL; |
8583 | } else | |
8584 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
8585 | ||
8586 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
8587 | ||
c0692b8f | 8588 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 8589 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
8590 | if (err) |
8591 | return err; | |
b23aa676 | 8592 | |
074ac8df | 8593 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8594 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8595 | return -EOPNOTSUPP; | |
b23aa676 | 8596 | |
79c97e97 | 8597 | wiphy = &rdev->wiphy; |
b23aa676 | 8598 | |
4486ea98 BS |
8599 | connect.bg_scan_period = -1; |
8600 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
8601 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
8602 | connect.bg_scan_period = | |
8603 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
8604 | } | |
8605 | ||
b23aa676 SO |
8606 | if (info->attrs[NL80211_ATTR_MAC]) |
8607 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
8608 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
8609 | connect.bssid_hint = | |
8610 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
8611 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8612 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8613 | ||
8614 | if (info->attrs[NL80211_ATTR_IE]) { | |
8615 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8616 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8617 | } | |
8618 | ||
cee00a95 JM |
8619 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
8620 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
8621 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
8622 | connect.mfp != NL80211_MFP_NO) | |
8623 | return -EINVAL; | |
8624 | } else { | |
8625 | connect.mfp = NL80211_MFP_NO; | |
8626 | } | |
8627 | ||
ba6fbacf JM |
8628 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
8629 | connect.prev_bssid = | |
8630 | nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
8631 | ||
b23aa676 | 8632 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
8633 | connect.channel = nl80211_get_valid_chan( |
8634 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8635 | if (!connect.channel) | |
1df4a510 JM |
8636 | return -EINVAL; |
8637 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
8638 | connect.channel_hint = nl80211_get_valid_chan( |
8639 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
8640 | if (!connect.channel_hint) | |
4c476991 | 8641 | return -EINVAL; |
b23aa676 SO |
8642 | } |
8643 | ||
fffd0934 JB |
8644 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
8645 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 8646 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
8647 | if (IS_ERR(connkeys)) |
8648 | return PTR_ERR(connkeys); | |
fffd0934 JB |
8649 | } |
8650 | ||
7e7c8926 BG |
8651 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
8652 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
8653 | ||
8654 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8655 | memcpy(&connect.ht_capa_mask, | |
8656 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8657 | sizeof(connect.ht_capa_mask)); | |
8658 | ||
8659 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 8660 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 8661 | kzfree(connkeys); |
7e7c8926 | 8662 | return -EINVAL; |
b4e4f47e | 8663 | } |
7e7c8926 BG |
8664 | memcpy(&connect.ht_capa, |
8665 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8666 | sizeof(connect.ht_capa)); | |
8667 | } | |
8668 | ||
ee2aca34 JB |
8669 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
8670 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
8671 | ||
8672 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
8673 | memcpy(&connect.vht_capa_mask, | |
8674 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8675 | sizeof(connect.vht_capa_mask)); | |
8676 | ||
8677 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
8678 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 8679 | kzfree(connkeys); |
ee2aca34 JB |
8680 | return -EINVAL; |
8681 | } | |
8682 | memcpy(&connect.vht_capa, | |
8683 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8684 | sizeof(connect.vht_capa)); | |
8685 | } | |
8686 | ||
bab5ab7d | 8687 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8688 | if (!((rdev->wiphy.features & |
8689 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8690 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8691 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8692 | NL80211_EXT_FEATURE_RRM)) { | |
707554b4 | 8693 | kzfree(connkeys); |
bab5ab7d | 8694 | return -EINVAL; |
707554b4 | 8695 | } |
bab5ab7d AK |
8696 | connect.flags |= ASSOC_REQ_USE_RRM; |
8697 | } | |
8698 | ||
34d50519 | 8699 | connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
57fbcce3 | 8700 | if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) { |
34d50519 LD |
8701 | kzfree(connkeys); |
8702 | return -EOPNOTSUPP; | |
8703 | } | |
8704 | ||
38de03d2 AS |
8705 | if (info->attrs[NL80211_ATTR_BSS_SELECT]) { |
8706 | /* bss selection makes no sense if bssid is set */ | |
8707 | if (connect.bssid) { | |
8708 | kzfree(connkeys); | |
8709 | return -EINVAL; | |
8710 | } | |
8711 | ||
8712 | err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT], | |
8713 | wiphy, &connect.bss_select); | |
8714 | if (err) { | |
8715 | kzfree(connkeys); | |
8716 | return err; | |
8717 | } | |
8718 | } | |
8719 | ||
83739b03 | 8720 | wdev_lock(dev->ieee80211_ptr); |
4ce2bd9c JM |
8721 | err = cfg80211_connect(rdev, dev, &connect, connkeys, |
8722 | connect.prev_bssid); | |
83739b03 | 8723 | wdev_unlock(dev->ieee80211_ptr); |
fffd0934 | 8724 | if (err) |
b47f610b | 8725 | kzfree(connkeys); |
b23aa676 SO |
8726 | return err; |
8727 | } | |
8728 | ||
8729 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) | |
8730 | { | |
4c476991 JB |
8731 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8732 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 8733 | u16 reason; |
83739b03 | 8734 | int ret; |
b23aa676 SO |
8735 | |
8736 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8737 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
8738 | else | |
8739 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
8740 | ||
8741 | if (reason == 0) | |
8742 | return -EINVAL; | |
8743 | ||
074ac8df | 8744 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8745 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8746 | return -EOPNOTSUPP; | |
b23aa676 | 8747 | |
83739b03 JB |
8748 | wdev_lock(dev->ieee80211_ptr); |
8749 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
8750 | wdev_unlock(dev->ieee80211_ptr); | |
8751 | return ret; | |
b23aa676 SO |
8752 | } |
8753 | ||
463d0183 JB |
8754 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
8755 | { | |
4c476991 | 8756 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
8757 | struct net *net; |
8758 | int err; | |
463d0183 | 8759 | |
4b681c82 VK |
8760 | if (info->attrs[NL80211_ATTR_PID]) { |
8761 | u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
8762 | ||
8763 | net = get_net_ns_by_pid(pid); | |
8764 | } else if (info->attrs[NL80211_ATTR_NETNS_FD]) { | |
8765 | u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]); | |
463d0183 | 8766 | |
4b681c82 VK |
8767 | net = get_net_ns_by_fd(fd); |
8768 | } else { | |
8769 | return -EINVAL; | |
8770 | } | |
463d0183 | 8771 | |
4c476991 JB |
8772 | if (IS_ERR(net)) |
8773 | return PTR_ERR(net); | |
463d0183 JB |
8774 | |
8775 | err = 0; | |
8776 | ||
8777 | /* check if anything to do */ | |
4c476991 JB |
8778 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
8779 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 8780 | |
463d0183 | 8781 | put_net(net); |
463d0183 JB |
8782 | return err; |
8783 | } | |
8784 | ||
67fbb16b SO |
8785 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
8786 | { | |
4c476991 | 8787 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
8788 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
8789 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 8790 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
8791 | struct cfg80211_pmksa pmksa; |
8792 | ||
8793 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
8794 | ||
8795 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8796 | return -EINVAL; | |
8797 | ||
8798 | if (!info->attrs[NL80211_ATTR_PMKID]) | |
8799 | return -EINVAL; | |
8800 | ||
67fbb16b SO |
8801 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
8802 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8803 | ||
074ac8df | 8804 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8805 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8806 | return -EOPNOTSUPP; | |
67fbb16b SO |
8807 | |
8808 | switch (info->genlhdr->cmd) { | |
8809 | case NL80211_CMD_SET_PMKSA: | |
8810 | rdev_ops = rdev->ops->set_pmksa; | |
8811 | break; | |
8812 | case NL80211_CMD_DEL_PMKSA: | |
8813 | rdev_ops = rdev->ops->del_pmksa; | |
8814 | break; | |
8815 | default: | |
8816 | WARN_ON(1); | |
8817 | break; | |
8818 | } | |
8819 | ||
4c476991 JB |
8820 | if (!rdev_ops) |
8821 | return -EOPNOTSUPP; | |
67fbb16b | 8822 | |
4c476991 | 8823 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
8824 | } |
8825 | ||
8826 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
8827 | { | |
4c476991 JB |
8828 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8829 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 8830 | |
074ac8df | 8831 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8832 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8833 | return -EOPNOTSUPP; | |
67fbb16b | 8834 | |
4c476991 JB |
8835 | if (!rdev->ops->flush_pmksa) |
8836 | return -EOPNOTSUPP; | |
67fbb16b | 8837 | |
e35e4d28 | 8838 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
8839 | } |
8840 | ||
109086ce AN |
8841 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
8842 | { | |
8843 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8844 | struct net_device *dev = info->user_ptr[1]; | |
8845 | u8 action_code, dialog_token; | |
df942e7b | 8846 | u32 peer_capability = 0; |
109086ce AN |
8847 | u16 status_code; |
8848 | u8 *peer; | |
31fa97c5 | 8849 | bool initiator; |
109086ce AN |
8850 | |
8851 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
8852 | !rdev->ops->tdls_mgmt) | |
8853 | return -EOPNOTSUPP; | |
8854 | ||
8855 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
8856 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
8857 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
8858 | !info->attrs[NL80211_ATTR_IE] || | |
8859 | !info->attrs[NL80211_ATTR_MAC]) | |
8860 | return -EINVAL; | |
8861 | ||
8862 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8863 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
8864 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
8865 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 8866 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
8867 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
8868 | peer_capability = | |
8869 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 8870 | |
e35e4d28 | 8871 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 8872 | dialog_token, status_code, peer_capability, |
31fa97c5 | 8873 | initiator, |
e35e4d28 HG |
8874 | nla_data(info->attrs[NL80211_ATTR_IE]), |
8875 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
8876 | } |
8877 | ||
8878 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
8879 | { | |
8880 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8881 | struct net_device *dev = info->user_ptr[1]; | |
8882 | enum nl80211_tdls_operation operation; | |
8883 | u8 *peer; | |
8884 | ||
8885 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
8886 | !rdev->ops->tdls_oper) | |
8887 | return -EOPNOTSUPP; | |
8888 | ||
8889 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
8890 | !info->attrs[NL80211_ATTR_MAC]) | |
8891 | return -EINVAL; | |
8892 | ||
8893 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
8894 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
8895 | ||
e35e4d28 | 8896 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
8897 | } |
8898 | ||
9588bbd5 JM |
8899 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
8900 | struct genl_info *info) | |
8901 | { | |
4c476991 | 8902 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8903 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 8904 | struct cfg80211_chan_def chandef; |
9588bbd5 JM |
8905 | struct sk_buff *msg; |
8906 | void *hdr; | |
8907 | u64 cookie; | |
683b6d3b | 8908 | u32 duration; |
9588bbd5 JM |
8909 | int err; |
8910 | ||
8911 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
8912 | !info->attrs[NL80211_ATTR_DURATION]) | |
8913 | return -EINVAL; | |
8914 | ||
8915 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
8916 | ||
ebf348fc JB |
8917 | if (!rdev->ops->remain_on_channel || |
8918 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
8919 | return -EOPNOTSUPP; | |
8920 | ||
9588bbd5 | 8921 | /* |
ebf348fc JB |
8922 | * We should be on that channel for at least a minimum amount of |
8923 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 8924 | */ |
ebf348fc | 8925 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 8926 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
8927 | return -EINVAL; |
8928 | ||
683b6d3b JB |
8929 | err = nl80211_parse_chandef(rdev, info, &chandef); |
8930 | if (err) | |
8931 | return err; | |
9588bbd5 JM |
8932 | |
8933 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
8934 | if (!msg) |
8935 | return -ENOMEM; | |
9588bbd5 | 8936 | |
15e47304 | 8937 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 8938 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
8939 | if (!hdr) { |
8940 | err = -ENOBUFS; | |
9588bbd5 JM |
8941 | goto free_msg; |
8942 | } | |
8943 | ||
683b6d3b JB |
8944 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
8945 | duration, &cookie); | |
9588bbd5 JM |
8946 | |
8947 | if (err) | |
8948 | goto free_msg; | |
8949 | ||
2dad624e ND |
8950 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
8951 | NL80211_ATTR_PAD)) | |
9360ffd1 | 8952 | goto nla_put_failure; |
9588bbd5 JM |
8953 | |
8954 | genlmsg_end(msg, hdr); | |
4c476991 JB |
8955 | |
8956 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
8957 | |
8958 | nla_put_failure: | |
8959 | err = -ENOBUFS; | |
8960 | free_msg: | |
8961 | nlmsg_free(msg); | |
9588bbd5 JM |
8962 | return err; |
8963 | } | |
8964 | ||
8965 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
8966 | struct genl_info *info) | |
8967 | { | |
4c476991 | 8968 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 8969 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 8970 | u64 cookie; |
9588bbd5 JM |
8971 | |
8972 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
8973 | return -EINVAL; | |
8974 | ||
4c476991 JB |
8975 | if (!rdev->ops->cancel_remain_on_channel) |
8976 | return -EOPNOTSUPP; | |
9588bbd5 | 8977 | |
9588bbd5 JM |
8978 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
8979 | ||
e35e4d28 | 8980 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
8981 | } |
8982 | ||
13ae75b1 JM |
8983 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, |
8984 | struct genl_info *info) | |
8985 | { | |
13ae75b1 | 8986 | struct cfg80211_bitrate_mask mask; |
a7c7fbff | 8987 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 8988 | struct net_device *dev = info->user_ptr[1]; |
a7c7fbff | 8989 | int err; |
13ae75b1 | 8990 | |
4c476991 JB |
8991 | if (!rdev->ops->set_bitrate_mask) |
8992 | return -EOPNOTSUPP; | |
13ae75b1 | 8993 | |
a7c7fbff PK |
8994 | err = nl80211_parse_tx_bitrate_mask(info, &mask); |
8995 | if (err) | |
8996 | return err; | |
13ae75b1 | 8997 | |
e35e4d28 | 8998 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
8999 | } |
9000 | ||
2e161f78 | 9001 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9002 | { |
4c476991 | 9003 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9004 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 9005 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
9006 | |
9007 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
9008 | return -EINVAL; | |
9009 | ||
2e161f78 JB |
9010 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
9011 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 9012 | |
71bbc994 JB |
9013 | switch (wdev->iftype) { |
9014 | case NL80211_IFTYPE_STATION: | |
9015 | case NL80211_IFTYPE_ADHOC: | |
9016 | case NL80211_IFTYPE_P2P_CLIENT: | |
9017 | case NL80211_IFTYPE_AP: | |
9018 | case NL80211_IFTYPE_AP_VLAN: | |
9019 | case NL80211_IFTYPE_MESH_POINT: | |
9020 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9021 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9022 | break; |
cb3b7d87 | 9023 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9024 | default: |
4c476991 | 9025 | return -EOPNOTSUPP; |
71bbc994 | 9026 | } |
026331c4 JM |
9027 | |
9028 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
9029 | if (!rdev->ops->mgmt_tx) |
9030 | return -EOPNOTSUPP; | |
026331c4 | 9031 | |
15e47304 | 9032 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
9033 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
9034 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
9035 | } |
9036 | ||
2e161f78 | 9037 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9038 | { |
4c476991 | 9039 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9040 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9041 | struct cfg80211_chan_def chandef; |
026331c4 | 9042 | int err; |
d64d373f | 9043 | void *hdr = NULL; |
026331c4 | 9044 | u64 cookie; |
e247bd90 | 9045 | struct sk_buff *msg = NULL; |
b176e629 AO |
9046 | struct cfg80211_mgmt_tx_params params = { |
9047 | .dont_wait_for_ack = | |
9048 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
9049 | }; | |
026331c4 | 9050 | |
683b6d3b | 9051 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
9052 | return -EINVAL; |
9053 | ||
4c476991 JB |
9054 | if (!rdev->ops->mgmt_tx) |
9055 | return -EOPNOTSUPP; | |
026331c4 | 9056 | |
71bbc994 | 9057 | switch (wdev->iftype) { |
ea141b75 AQ |
9058 | case NL80211_IFTYPE_P2P_DEVICE: |
9059 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
9060 | return -EINVAL; | |
71bbc994 JB |
9061 | case NL80211_IFTYPE_STATION: |
9062 | case NL80211_IFTYPE_ADHOC: | |
9063 | case NL80211_IFTYPE_P2P_CLIENT: | |
9064 | case NL80211_IFTYPE_AP: | |
9065 | case NL80211_IFTYPE_AP_VLAN: | |
9066 | case NL80211_IFTYPE_MESH_POINT: | |
9067 | case NL80211_IFTYPE_P2P_GO: | |
9068 | break; | |
cb3b7d87 | 9069 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9070 | default: |
4c476991 | 9071 | return -EOPNOTSUPP; |
71bbc994 | 9072 | } |
026331c4 | 9073 | |
f7ca38df | 9074 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 9075 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 9076 | return -EINVAL; |
b176e629 | 9077 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
9078 | |
9079 | /* | |
9080 | * We should wait on the channel for at least a minimum amount | |
9081 | * of time (10ms) but no longer than the driver supports. | |
9082 | */ | |
b176e629 AO |
9083 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
9084 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc | 9085 | return -EINVAL; |
f7ca38df JB |
9086 | } |
9087 | ||
b176e629 | 9088 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 9089 | |
b176e629 | 9090 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
9091 | return -EINVAL; |
9092 | ||
b176e629 | 9093 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 9094 | |
ea141b75 AQ |
9095 | /* get the channel if any has been specified, otherwise pass NULL to |
9096 | * the driver. The latter will use the current one | |
9097 | */ | |
9098 | chandef.chan = NULL; | |
9099 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
9100 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
9101 | if (err) | |
9102 | return err; | |
9103 | } | |
9104 | ||
b176e629 | 9105 | if (!chandef.chan && params.offchan) |
ea141b75 | 9106 | return -EINVAL; |
026331c4 | 9107 | |
34d22ce2 AO |
9108 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
9109 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
9110 | ||
9111 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
9112 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9113 | int i; | |
9114 | ||
9115 | if (len % sizeof(u16)) | |
9116 | return -EINVAL; | |
9117 | ||
9118 | params.n_csa_offsets = len / sizeof(u16); | |
9119 | params.csa_offsets = | |
9120 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9121 | ||
9122 | /* check that all the offsets fit the frame */ | |
9123 | for (i = 0; i < params.n_csa_offsets; i++) { | |
9124 | if (params.csa_offsets[i] >= params.len) | |
9125 | return -EINVAL; | |
9126 | } | |
9127 | } | |
9128 | ||
b176e629 | 9129 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
9130 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
9131 | if (!msg) | |
9132 | return -ENOMEM; | |
026331c4 | 9133 | |
15e47304 | 9134 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 9135 | NL80211_CMD_FRAME); |
cb35fba3 DC |
9136 | if (!hdr) { |
9137 | err = -ENOBUFS; | |
e247bd90 JB |
9138 | goto free_msg; |
9139 | } | |
026331c4 | 9140 | } |
e247bd90 | 9141 | |
b176e629 AO |
9142 | params.chan = chandef.chan; |
9143 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
9144 | if (err) |
9145 | goto free_msg; | |
9146 | ||
e247bd90 | 9147 | if (msg) { |
2dad624e ND |
9148 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9149 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9150 | goto nla_put_failure; |
026331c4 | 9151 | |
e247bd90 JB |
9152 | genlmsg_end(msg, hdr); |
9153 | return genlmsg_reply(msg, info); | |
9154 | } | |
9155 | ||
9156 | return 0; | |
026331c4 JM |
9157 | |
9158 | nla_put_failure: | |
9159 | err = -ENOBUFS; | |
9160 | free_msg: | |
9161 | nlmsg_free(msg); | |
026331c4 JM |
9162 | return err; |
9163 | } | |
9164 | ||
f7ca38df JB |
9165 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
9166 | { | |
9167 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 9168 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
9169 | u64 cookie; |
9170 | ||
9171 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9172 | return -EINVAL; | |
9173 | ||
9174 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
9175 | return -EOPNOTSUPP; | |
9176 | ||
71bbc994 JB |
9177 | switch (wdev->iftype) { |
9178 | case NL80211_IFTYPE_STATION: | |
9179 | case NL80211_IFTYPE_ADHOC: | |
9180 | case NL80211_IFTYPE_P2P_CLIENT: | |
9181 | case NL80211_IFTYPE_AP: | |
9182 | case NL80211_IFTYPE_AP_VLAN: | |
9183 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9184 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9185 | break; |
cb3b7d87 | 9186 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9187 | default: |
f7ca38df | 9188 | return -EOPNOTSUPP; |
71bbc994 | 9189 | } |
f7ca38df JB |
9190 | |
9191 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
9192 | ||
e35e4d28 | 9193 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
9194 | } |
9195 | ||
ffb9eb3d KV |
9196 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
9197 | { | |
4c476991 | 9198 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 9199 | struct wireless_dev *wdev; |
4c476991 | 9200 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9201 | u8 ps_state; |
9202 | bool state; | |
9203 | int err; | |
9204 | ||
4c476991 JB |
9205 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
9206 | return -EINVAL; | |
ffb9eb3d KV |
9207 | |
9208 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
9209 | ||
4c476991 JB |
9210 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
9211 | return -EINVAL; | |
ffb9eb3d KV |
9212 | |
9213 | wdev = dev->ieee80211_ptr; | |
9214 | ||
4c476991 JB |
9215 | if (!rdev->ops->set_power_mgmt) |
9216 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9217 | |
9218 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
9219 | ||
9220 | if (state == wdev->ps) | |
4c476991 | 9221 | return 0; |
ffb9eb3d | 9222 | |
e35e4d28 | 9223 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
9224 | if (!err) |
9225 | wdev->ps = state; | |
ffb9eb3d KV |
9226 | return err; |
9227 | } | |
9228 | ||
9229 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
9230 | { | |
4c476991 | 9231 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
9232 | enum nl80211_ps_state ps_state; |
9233 | struct wireless_dev *wdev; | |
4c476991 | 9234 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9235 | struct sk_buff *msg; |
9236 | void *hdr; | |
9237 | int err; | |
9238 | ||
ffb9eb3d KV |
9239 | wdev = dev->ieee80211_ptr; |
9240 | ||
4c476991 JB |
9241 | if (!rdev->ops->set_power_mgmt) |
9242 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9243 | |
9244 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
9245 | if (!msg) |
9246 | return -ENOMEM; | |
ffb9eb3d | 9247 | |
15e47304 | 9248 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
9249 | NL80211_CMD_GET_POWER_SAVE); |
9250 | if (!hdr) { | |
4c476991 | 9251 | err = -ENOBUFS; |
ffb9eb3d KV |
9252 | goto free_msg; |
9253 | } | |
9254 | ||
9255 | if (wdev->ps) | |
9256 | ps_state = NL80211_PS_ENABLED; | |
9257 | else | |
9258 | ps_state = NL80211_PS_DISABLED; | |
9259 | ||
9360ffd1 DM |
9260 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
9261 | goto nla_put_failure; | |
ffb9eb3d KV |
9262 | |
9263 | genlmsg_end(msg, hdr); | |
4c476991 | 9264 | return genlmsg_reply(msg, info); |
ffb9eb3d | 9265 | |
4c476991 | 9266 | nla_put_failure: |
ffb9eb3d | 9267 | err = -ENOBUFS; |
4c476991 | 9268 | free_msg: |
ffb9eb3d | 9269 | nlmsg_free(msg); |
ffb9eb3d KV |
9270 | return err; |
9271 | } | |
9272 | ||
94e860f1 JB |
9273 | static const struct nla_policy |
9274 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
d6dc1a38 JO |
9275 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
9276 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, | |
9277 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
9278 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
9279 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
9280 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
d6dc1a38 JO |
9281 | }; |
9282 | ||
84f10708 | 9283 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 9284 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
9285 | { |
9286 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 9287 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9288 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 9289 | |
d9d8b019 | 9290 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
9291 | return -EINVAL; |
9292 | ||
84f10708 TP |
9293 | if (!rdev->ops->set_cqm_txe_config) |
9294 | return -EOPNOTSUPP; | |
9295 | ||
9296 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
9297 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
9298 | return -EOPNOTSUPP; | |
9299 | ||
e35e4d28 | 9300 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
9301 | } |
9302 | ||
d6dc1a38 JO |
9303 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
9304 | s32 threshold, u32 hysteresis) | |
9305 | { | |
4c476991 | 9306 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9307 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9308 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
d6dc1a38 JO |
9309 | |
9310 | if (threshold > 0) | |
9311 | return -EINVAL; | |
9312 | ||
1da5fcc8 JB |
9313 | /* disabling - hysteresis should also be zero then */ |
9314 | if (threshold == 0) | |
9315 | hysteresis = 0; | |
d6dc1a38 | 9316 | |
4c476991 JB |
9317 | if (!rdev->ops->set_cqm_rssi_config) |
9318 | return -EOPNOTSUPP; | |
d6dc1a38 | 9319 | |
074ac8df | 9320 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9321 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9322 | return -EOPNOTSUPP; | |
d6dc1a38 | 9323 | |
e35e4d28 | 9324 | return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis); |
d6dc1a38 JO |
9325 | } |
9326 | ||
9327 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
9328 | { | |
9329 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
9330 | struct nlattr *cqm; | |
9331 | int err; | |
9332 | ||
9333 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
9334 | if (!cqm) |
9335 | return -EINVAL; | |
d6dc1a38 JO |
9336 | |
9337 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
9338 | nl80211_attr_cqm_policy); | |
9339 | if (err) | |
1da5fcc8 | 9340 | return err; |
d6dc1a38 JO |
9341 | |
9342 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
9343 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
1da5fcc8 JB |
9344 | s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
9345 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); | |
d6dc1a38 | 9346 | |
1da5fcc8 JB |
9347 | return nl80211_set_cqm_rssi(info, threshold, hysteresis); |
9348 | } | |
9349 | ||
9350 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
9351 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
9352 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
9353 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
9354 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
9355 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
9356 | ||
9357 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
9358 | } | |
9359 | ||
9360 | return -EINVAL; | |
d6dc1a38 JO |
9361 | } |
9362 | ||
6e0bd6c3 RL |
9363 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
9364 | { | |
9365 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9366 | struct net_device *dev = info->user_ptr[1]; | |
9367 | struct ocb_setup setup = {}; | |
9368 | int err; | |
9369 | ||
9370 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
9371 | if (err) | |
9372 | return err; | |
9373 | ||
9374 | return cfg80211_join_ocb(rdev, dev, &setup); | |
9375 | } | |
9376 | ||
9377 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
9378 | { | |
9379 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9380 | struct net_device *dev = info->user_ptr[1]; | |
9381 | ||
9382 | return cfg80211_leave_ocb(rdev, dev); | |
9383 | } | |
9384 | ||
29cbe68c JB |
9385 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
9386 | { | |
9387 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9388 | struct net_device *dev = info->user_ptr[1]; | |
9389 | struct mesh_config cfg; | |
c80d545d | 9390 | struct mesh_setup setup; |
29cbe68c JB |
9391 | int err; |
9392 | ||
9393 | /* start with default */ | |
9394 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 9395 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 9396 | |
24bdd9f4 | 9397 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 9398 | /* and parse parameters if given */ |
24bdd9f4 | 9399 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
9400 | if (err) |
9401 | return err; | |
9402 | } | |
9403 | ||
9404 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
9405 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
9406 | return -EINVAL; | |
9407 | ||
c80d545d JC |
9408 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
9409 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
9410 | ||
4bb62344 CYY |
9411 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
9412 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
9413 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
9414 | return -EINVAL; | |
9415 | ||
9bdbf04d MP |
9416 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
9417 | setup.beacon_interval = | |
9418 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 PK |
9419 | |
9420 | err = cfg80211_validate_beacon_int(rdev, setup.beacon_interval); | |
9421 | if (err) | |
9422 | return err; | |
9bdbf04d MP |
9423 | } |
9424 | ||
9425 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
9426 | setup.dtim_period = | |
9427 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
9428 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
9429 | return -EINVAL; | |
9430 | } | |
9431 | ||
c80d545d JC |
9432 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
9433 | /* parse additional setup parameters if given */ | |
9434 | err = nl80211_parse_mesh_setup(info, &setup); | |
9435 | if (err) | |
9436 | return err; | |
9437 | } | |
9438 | ||
d37bb18a TP |
9439 | if (setup.user_mpm) |
9440 | cfg.auto_open_plinks = false; | |
9441 | ||
cc1d2806 | 9442 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
9443 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
9444 | if (err) | |
9445 | return err; | |
cc1d2806 JB |
9446 | } else { |
9447 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 9448 | setup.chandef.chan = NULL; |
cc1d2806 JB |
9449 | } |
9450 | ||
ffb3cf30 AN |
9451 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
9452 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9453 | int n_rates = | |
9454 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9455 | struct ieee80211_supported_band *sband; | |
9456 | ||
9457 | if (!setup.chandef.chan) | |
9458 | return -EINVAL; | |
9459 | ||
9460 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
9461 | ||
9462 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
9463 | &setup.basic_rates); | |
9464 | if (err) | |
9465 | return err; | |
9466 | } | |
9467 | ||
8564e382 JB |
9468 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
9469 | err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate); | |
9470 | if (err) | |
9471 | return err; | |
9472 | ||
9473 | err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band, | |
9474 | &setup.beacon_rate); | |
9475 | if (err) | |
9476 | return err; | |
9477 | } | |
9478 | ||
c80d545d | 9479 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
9480 | } |
9481 | ||
9482 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
9483 | { | |
9484 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9485 | struct net_device *dev = info->user_ptr[1]; | |
9486 | ||
9487 | return cfg80211_leave_mesh(rdev, dev); | |
9488 | } | |
9489 | ||
dfb89c56 | 9490 | #ifdef CONFIG_PM |
bb92d199 AK |
9491 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
9492 | struct cfg80211_registered_device *rdev) | |
9493 | { | |
6abb9cb9 | 9494 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
9495 | struct nlattr *nl_pats, *nl_pat; |
9496 | int i, pat_len; | |
9497 | ||
6abb9cb9 | 9498 | if (!wowlan->n_patterns) |
bb92d199 AK |
9499 | return 0; |
9500 | ||
9501 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
9502 | if (!nl_pats) | |
9503 | return -ENOBUFS; | |
9504 | ||
6abb9cb9 | 9505 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
9506 | nl_pat = nla_nest_start(msg, i + 1); |
9507 | if (!nl_pat) | |
9508 | return -ENOBUFS; | |
6abb9cb9 | 9509 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 9510 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 9511 | wowlan->patterns[i].mask) || |
50ac6607 AK |
9512 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
9513 | wowlan->patterns[i].pattern) || | |
9514 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 9515 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
9516 | return -ENOBUFS; |
9517 | nla_nest_end(msg, nl_pat); | |
9518 | } | |
9519 | nla_nest_end(msg, nl_pats); | |
9520 | ||
9521 | return 0; | |
9522 | } | |
9523 | ||
2a0e047e JB |
9524 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
9525 | struct cfg80211_wowlan_tcp *tcp) | |
9526 | { | |
9527 | struct nlattr *nl_tcp; | |
9528 | ||
9529 | if (!tcp) | |
9530 | return 0; | |
9531 | ||
9532 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
9533 | if (!nl_tcp) | |
9534 | return -ENOBUFS; | |
9535 | ||
930345ea JB |
9536 | if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || |
9537 | nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
2a0e047e JB |
9538 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || |
9539 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
9540 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
9541 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
9542 | tcp->payload_len, tcp->payload) || | |
9543 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
9544 | tcp->data_interval) || | |
9545 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
9546 | tcp->wake_len, tcp->wake_data) || | |
9547 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
9548 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
9549 | return -ENOBUFS; | |
9550 | ||
9551 | if (tcp->payload_seq.len && | |
9552 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
9553 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
9554 | return -ENOBUFS; | |
9555 | ||
9556 | if (tcp->payload_tok.len && | |
9557 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
9558 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
9559 | &tcp->payload_tok)) | |
9560 | return -ENOBUFS; | |
9561 | ||
e248ad30 JB |
9562 | nla_nest_end(msg, nl_tcp); |
9563 | ||
2a0e047e JB |
9564 | return 0; |
9565 | } | |
9566 | ||
75453ccb LC |
9567 | static int nl80211_send_wowlan_nd(struct sk_buff *msg, |
9568 | struct cfg80211_sched_scan_request *req) | |
9569 | { | |
3b06d277 | 9570 | struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan; |
75453ccb LC |
9571 | int i; |
9572 | ||
9573 | if (!req) | |
9574 | return 0; | |
9575 | ||
9576 | nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT); | |
9577 | if (!nd) | |
9578 | return -ENOBUFS; | |
9579 | ||
3b06d277 AS |
9580 | if (req->n_scan_plans == 1 && |
9581 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, | |
9582 | req->scan_plans[0].interval * 1000)) | |
75453ccb LC |
9583 | return -ENOBUFS; |
9584 | ||
21fea567 LC |
9585 | if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay)) |
9586 | return -ENOBUFS; | |
9587 | ||
75453ccb LC |
9588 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); |
9589 | if (!freqs) | |
9590 | return -ENOBUFS; | |
9591 | ||
53b18980 JB |
9592 | for (i = 0; i < req->n_channels; i++) { |
9593 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
9594 | return -ENOBUFS; | |
9595 | } | |
75453ccb LC |
9596 | |
9597 | nla_nest_end(msg, freqs); | |
9598 | ||
9599 | if (req->n_match_sets) { | |
9600 | matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
76e1fb4b JB |
9601 | if (!matches) |
9602 | return -ENOBUFS; | |
9603 | ||
75453ccb LC |
9604 | for (i = 0; i < req->n_match_sets; i++) { |
9605 | match = nla_nest_start(msg, i); | |
76e1fb4b JB |
9606 | if (!match) |
9607 | return -ENOBUFS; | |
9608 | ||
53b18980 JB |
9609 | if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID, |
9610 | req->match_sets[i].ssid.ssid_len, | |
9611 | req->match_sets[i].ssid.ssid)) | |
9612 | return -ENOBUFS; | |
75453ccb LC |
9613 | nla_nest_end(msg, match); |
9614 | } | |
9615 | nla_nest_end(msg, matches); | |
9616 | } | |
9617 | ||
3b06d277 AS |
9618 | scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS); |
9619 | if (!scan_plans) | |
9620 | return -ENOBUFS; | |
9621 | ||
9622 | for (i = 0; i < req->n_scan_plans; i++) { | |
9623 | scan_plan = nla_nest_start(msg, i + 1); | |
76e1fb4b JB |
9624 | if (!scan_plan) |
9625 | return -ENOBUFS; | |
9626 | ||
3b06d277 AS |
9627 | if (!scan_plan || |
9628 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL, | |
9629 | req->scan_plans[i].interval) || | |
9630 | (req->scan_plans[i].iterations && | |
9631 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS, | |
9632 | req->scan_plans[i].iterations))) | |
9633 | return -ENOBUFS; | |
9634 | nla_nest_end(msg, scan_plan); | |
9635 | } | |
9636 | nla_nest_end(msg, scan_plans); | |
9637 | ||
75453ccb LC |
9638 | nla_nest_end(msg, nd); |
9639 | ||
9640 | return 0; | |
9641 | } | |
9642 | ||
ff1b6e69 JB |
9643 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
9644 | { | |
9645 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9646 | struct sk_buff *msg; | |
9647 | void *hdr; | |
2a0e047e | 9648 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 9649 | |
964dc9e2 | 9650 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
9651 | return -EOPNOTSUPP; |
9652 | ||
6abb9cb9 | 9653 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 9654 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
9655 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
9656 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
9657 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
9658 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
9659 | } |
9660 | ||
9661 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
9662 | if (!msg) |
9663 | return -ENOMEM; | |
9664 | ||
15e47304 | 9665 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
9666 | NL80211_CMD_GET_WOWLAN); |
9667 | if (!hdr) | |
9668 | goto nla_put_failure; | |
9669 | ||
6abb9cb9 | 9670 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
9671 | struct nlattr *nl_wowlan; |
9672 | ||
9673 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
9674 | if (!nl_wowlan) | |
9675 | goto nla_put_failure; | |
9676 | ||
6abb9cb9 | 9677 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 9678 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 9679 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 9680 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 9681 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 9682 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 9683 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 9684 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 9685 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 9686 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 9687 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 9688 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 9689 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
9690 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
9691 | goto nla_put_failure; | |
2a0e047e | 9692 | |
bb92d199 AK |
9693 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
9694 | goto nla_put_failure; | |
2a0e047e | 9695 | |
6abb9cb9 JB |
9696 | if (nl80211_send_wowlan_tcp(msg, |
9697 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e | 9698 | goto nla_put_failure; |
75453ccb LC |
9699 | |
9700 | if (nl80211_send_wowlan_nd( | |
9701 | msg, | |
9702 | rdev->wiphy.wowlan_config->nd_config)) | |
9703 | goto nla_put_failure; | |
2a0e047e | 9704 | |
ff1b6e69 JB |
9705 | nla_nest_end(msg, nl_wowlan); |
9706 | } | |
9707 | ||
9708 | genlmsg_end(msg, hdr); | |
9709 | return genlmsg_reply(msg, info); | |
9710 | ||
9711 | nla_put_failure: | |
9712 | nlmsg_free(msg); | |
9713 | return -ENOBUFS; | |
9714 | } | |
9715 | ||
2a0e047e JB |
9716 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
9717 | struct nlattr *attr, | |
9718 | struct cfg80211_wowlan *trig) | |
9719 | { | |
9720 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
9721 | struct cfg80211_wowlan_tcp *cfg; | |
9722 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
9723 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
9724 | u32 size; | |
9725 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
9726 | int err, port; | |
9727 | ||
964dc9e2 | 9728 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
9729 | return -EINVAL; |
9730 | ||
9731 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP, | |
9732 | nla_data(attr), nla_len(attr), | |
9733 | nl80211_wowlan_tcp_policy); | |
9734 | if (err) | |
9735 | return err; | |
9736 | ||
9737 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
9738 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
9739 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
9740 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
9741 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
9742 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
9743 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
9744 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
9745 | return -EINVAL; | |
9746 | ||
9747 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 9748 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
9749 | return -EINVAL; |
9750 | ||
9751 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 9752 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 9753 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
9754 | return -EINVAL; |
9755 | ||
9756 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 9757 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
9758 | return -EINVAL; |
9759 | ||
9760 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
9761 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
9762 | return -EINVAL; | |
9763 | ||
9764 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
9765 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
9766 | ||
9767 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
9768 | tokens_size = tokln - sizeof(*tok); | |
9769 | ||
9770 | if (!tok->len || tokens_size % tok->len) | |
9771 | return -EINVAL; | |
964dc9e2 | 9772 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 9773 | return -EINVAL; |
964dc9e2 | 9774 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 9775 | return -EINVAL; |
964dc9e2 | 9776 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 9777 | return -EINVAL; |
964dc9e2 | 9778 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
9779 | return -EINVAL; |
9780 | if (tok->offset + tok->len > data_size) | |
9781 | return -EINVAL; | |
9782 | } | |
9783 | ||
9784 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
9785 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 9786 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
9787 | return -EINVAL; |
9788 | if (seq->len == 0 || seq->len > 4) | |
9789 | return -EINVAL; | |
9790 | if (seq->len + seq->offset > data_size) | |
9791 | return -EINVAL; | |
9792 | } | |
9793 | ||
9794 | size = sizeof(*cfg); | |
9795 | size += data_size; | |
9796 | size += wake_size + wake_mask_size; | |
9797 | size += tokens_size; | |
9798 | ||
9799 | cfg = kzalloc(size, GFP_KERNEL); | |
9800 | if (!cfg) | |
9801 | return -ENOMEM; | |
67b61f6c JB |
9802 | cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); |
9803 | cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
2a0e047e JB |
9804 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), |
9805 | ETH_ALEN); | |
9806 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
9807 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
9808 | else | |
9809 | port = 0; | |
9810 | #ifdef CONFIG_INET | |
9811 | /* allocate a socket and port for it and use it */ | |
9812 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
9813 | IPPROTO_TCP, &cfg->sock, 1); | |
9814 | if (err) { | |
9815 | kfree(cfg); | |
9816 | return err; | |
9817 | } | |
9818 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
9819 | sock_release(cfg->sock); | |
9820 | kfree(cfg); | |
9821 | return -EADDRINUSE; | |
9822 | } | |
9823 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
9824 | #else | |
9825 | if (!port) { | |
9826 | kfree(cfg); | |
9827 | return -EINVAL; | |
9828 | } | |
9829 | cfg->src_port = port; | |
9830 | #endif | |
9831 | ||
9832 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
9833 | cfg->payload_len = data_size; | |
9834 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
9835 | memcpy((void *)cfg->payload, | |
9836 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
9837 | data_size); | |
9838 | if (seq) | |
9839 | cfg->payload_seq = *seq; | |
9840 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
9841 | cfg->wake_len = wake_size; | |
9842 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
9843 | memcpy((void *)cfg->wake_data, | |
9844 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
9845 | wake_size); | |
9846 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
9847 | data_size + wake_size; | |
9848 | memcpy((void *)cfg->wake_mask, | |
9849 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
9850 | wake_mask_size); | |
9851 | if (tok) { | |
9852 | cfg->tokens_size = tokens_size; | |
9853 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
9854 | } | |
9855 | ||
9856 | trig->tcp = cfg; | |
9857 | ||
9858 | return 0; | |
9859 | } | |
9860 | ||
8cd4d456 LC |
9861 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
9862 | const struct wiphy_wowlan_support *wowlan, | |
9863 | struct nlattr *attr, | |
9864 | struct cfg80211_wowlan *trig) | |
9865 | { | |
9866 | struct nlattr **tb; | |
9867 | int err; | |
9868 | ||
9869 | tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL); | |
9870 | if (!tb) | |
9871 | return -ENOMEM; | |
9872 | ||
9873 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
9874 | err = -EOPNOTSUPP; | |
9875 | goto out; | |
9876 | } | |
9877 | ||
9878 | err = nla_parse(tb, NL80211_ATTR_MAX, | |
9879 | nla_data(attr), nla_len(attr), | |
9880 | nl80211_policy); | |
9881 | if (err) | |
9882 | goto out; | |
9883 | ||
ad2b26ab | 9884 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb); |
8cd4d456 LC |
9885 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
9886 | if (err) | |
9887 | trig->nd_config = NULL; | |
9888 | ||
9889 | out: | |
9890 | kfree(tb); | |
9891 | return err; | |
9892 | } | |
9893 | ||
ff1b6e69 JB |
9894 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
9895 | { | |
9896 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9897 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 9898 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 9899 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 9900 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 9901 | int err, i; |
6abb9cb9 | 9902 | bool prev_enabled = rdev->wiphy.wowlan_config; |
98fc4386 | 9903 | bool regular = false; |
ff1b6e69 | 9904 | |
964dc9e2 | 9905 | if (!wowlan) |
ff1b6e69 JB |
9906 | return -EOPNOTSUPP; |
9907 | ||
ae33bd81 JB |
9908 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
9909 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 9910 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
9911 | goto set_wakeup; |
9912 | } | |
ff1b6e69 JB |
9913 | |
9914 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, | |
9915 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
9916 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), | |
9917 | nl80211_wowlan_policy); | |
9918 | if (err) | |
9919 | return err; | |
9920 | ||
9921 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
9922 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
9923 | return -EINVAL; | |
9924 | new_triggers.any = true; | |
9925 | } | |
9926 | ||
9927 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
9928 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
9929 | return -EINVAL; | |
9930 | new_triggers.disconnect = true; | |
98fc4386 | 9931 | regular = true; |
ff1b6e69 JB |
9932 | } |
9933 | ||
9934 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
9935 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
9936 | return -EINVAL; | |
9937 | new_triggers.magic_pkt = true; | |
98fc4386 | 9938 | regular = true; |
ff1b6e69 JB |
9939 | } |
9940 | ||
77dbbb13 JB |
9941 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
9942 | return -EINVAL; | |
9943 | ||
9944 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
9945 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
9946 | return -EINVAL; | |
9947 | new_triggers.gtk_rekey_failure = true; | |
98fc4386 | 9948 | regular = true; |
77dbbb13 JB |
9949 | } |
9950 | ||
9951 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
9952 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
9953 | return -EINVAL; | |
9954 | new_triggers.eap_identity_req = true; | |
98fc4386 | 9955 | regular = true; |
77dbbb13 JB |
9956 | } |
9957 | ||
9958 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
9959 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
9960 | return -EINVAL; | |
9961 | new_triggers.four_way_handshake = true; | |
98fc4386 | 9962 | regular = true; |
77dbbb13 JB |
9963 | } |
9964 | ||
9965 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
9966 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
9967 | return -EINVAL; | |
9968 | new_triggers.rfkill_release = true; | |
98fc4386 | 9969 | regular = true; |
77dbbb13 JB |
9970 | } |
9971 | ||
ff1b6e69 JB |
9972 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
9973 | struct nlattr *pat; | |
9974 | int n_patterns = 0; | |
bb92d199 | 9975 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 9976 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 | 9977 | |
98fc4386 JB |
9978 | regular = true; |
9979 | ||
ff1b6e69 JB |
9980 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
9981 | rem) | |
9982 | n_patterns++; | |
9983 | if (n_patterns > wowlan->n_patterns) | |
9984 | return -EINVAL; | |
9985 | ||
9986 | new_triggers.patterns = kcalloc(n_patterns, | |
9987 | sizeof(new_triggers.patterns[0]), | |
9988 | GFP_KERNEL); | |
9989 | if (!new_triggers.patterns) | |
9990 | return -ENOMEM; | |
9991 | ||
9992 | new_triggers.n_patterns = n_patterns; | |
9993 | i = 0; | |
9994 | ||
9995 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
9996 | rem) { | |
922bd80f JB |
9997 | u8 *mask_pat; |
9998 | ||
50ac6607 AK |
9999 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
10000 | nla_len(pat), NULL); | |
ff1b6e69 | 10001 | err = -EINVAL; |
50ac6607 AK |
10002 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10003 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 10004 | goto error; |
50ac6607 | 10005 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 10006 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 10007 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
10008 | goto error; |
10009 | if (pat_len > wowlan->pattern_max_len || | |
10010 | pat_len < wowlan->pattern_min_len) | |
10011 | goto error; | |
10012 | ||
50ac6607 | 10013 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
10014 | pkt_offset = 0; |
10015 | else | |
10016 | pkt_offset = nla_get_u32( | |
50ac6607 | 10017 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
10018 | if (pkt_offset > wowlan->max_pkt_offset) |
10019 | goto error; | |
10020 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
10021 | ||
922bd80f JB |
10022 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10023 | if (!mask_pat) { | |
ff1b6e69 JB |
10024 | err = -ENOMEM; |
10025 | goto error; | |
10026 | } | |
922bd80f JB |
10027 | new_triggers.patterns[i].mask = mask_pat; |
10028 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 10029 | mask_len); |
922bd80f JB |
10030 | mask_pat += mask_len; |
10031 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 10032 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 10033 | memcpy(mask_pat, |
50ac6607 | 10034 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
10035 | pat_len); |
10036 | i++; | |
10037 | } | |
10038 | } | |
10039 | ||
2a0e047e | 10040 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
98fc4386 | 10041 | regular = true; |
2a0e047e JB |
10042 | err = nl80211_parse_wowlan_tcp( |
10043 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
10044 | &new_triggers); | |
10045 | if (err) | |
10046 | goto error; | |
10047 | } | |
10048 | ||
8cd4d456 | 10049 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
98fc4386 | 10050 | regular = true; |
8cd4d456 LC |
10051 | err = nl80211_parse_wowlan_nd( |
10052 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
10053 | &new_triggers); | |
10054 | if (err) | |
10055 | goto error; | |
10056 | } | |
10057 | ||
98fc4386 JB |
10058 | /* The 'any' trigger means the device continues operating more or less |
10059 | * as in its normal operation mode and wakes up the host on most of the | |
10060 | * normal interrupts (like packet RX, ...) | |
10061 | * It therefore makes little sense to combine with the more constrained | |
10062 | * wakeup trigger modes. | |
10063 | */ | |
10064 | if (new_triggers.any && regular) { | |
10065 | err = -EINVAL; | |
10066 | goto error; | |
10067 | } | |
10068 | ||
ae33bd81 JB |
10069 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
10070 | if (!ntrig) { | |
10071 | err = -ENOMEM; | |
10072 | goto error; | |
ff1b6e69 | 10073 | } |
ae33bd81 | 10074 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 10075 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 10076 | |
ae33bd81 | 10077 | set_wakeup: |
6abb9cb9 JB |
10078 | if (rdev->ops->set_wakeup && |
10079 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
10080 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 10081 | |
ff1b6e69 JB |
10082 | return 0; |
10083 | error: | |
10084 | for (i = 0; i < new_triggers.n_patterns; i++) | |
10085 | kfree(new_triggers.patterns[i].mask); | |
10086 | kfree(new_triggers.patterns); | |
2a0e047e JB |
10087 | if (new_triggers.tcp && new_triggers.tcp->sock) |
10088 | sock_release(new_triggers.tcp->sock); | |
10089 | kfree(new_triggers.tcp); | |
e5dbe070 | 10090 | kfree(new_triggers.nd_config); |
ff1b6e69 JB |
10091 | return err; |
10092 | } | |
dfb89c56 | 10093 | #endif |
ff1b6e69 | 10094 | |
be29b99a AK |
10095 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
10096 | struct cfg80211_registered_device *rdev) | |
10097 | { | |
10098 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
10099 | int i, j, pat_len; | |
10100 | struct cfg80211_coalesce_rules *rule; | |
10101 | ||
10102 | if (!rdev->coalesce->n_rules) | |
10103 | return 0; | |
10104 | ||
10105 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
10106 | if (!nl_rules) | |
10107 | return -ENOBUFS; | |
10108 | ||
10109 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
10110 | nl_rule = nla_nest_start(msg, i + 1); | |
10111 | if (!nl_rule) | |
10112 | return -ENOBUFS; | |
10113 | ||
10114 | rule = &rdev->coalesce->rules[i]; | |
10115 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
10116 | rule->delay)) | |
10117 | return -ENOBUFS; | |
10118 | ||
10119 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
10120 | rule->condition)) | |
10121 | return -ENOBUFS; | |
10122 | ||
10123 | nl_pats = nla_nest_start(msg, | |
10124 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
10125 | if (!nl_pats) | |
10126 | return -ENOBUFS; | |
10127 | ||
10128 | for (j = 0; j < rule->n_patterns; j++) { | |
10129 | nl_pat = nla_nest_start(msg, j + 1); | |
10130 | if (!nl_pat) | |
10131 | return -ENOBUFS; | |
10132 | pat_len = rule->patterns[j].pattern_len; | |
10133 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
10134 | DIV_ROUND_UP(pat_len, 8), | |
10135 | rule->patterns[j].mask) || | |
10136 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
10137 | rule->patterns[j].pattern) || | |
10138 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
10139 | rule->patterns[j].pkt_offset)) | |
10140 | return -ENOBUFS; | |
10141 | nla_nest_end(msg, nl_pat); | |
10142 | } | |
10143 | nla_nest_end(msg, nl_pats); | |
10144 | nla_nest_end(msg, nl_rule); | |
10145 | } | |
10146 | nla_nest_end(msg, nl_rules); | |
10147 | ||
10148 | return 0; | |
10149 | } | |
10150 | ||
10151 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10152 | { | |
10153 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10154 | struct sk_buff *msg; | |
10155 | void *hdr; | |
10156 | ||
10157 | if (!rdev->wiphy.coalesce) | |
10158 | return -EOPNOTSUPP; | |
10159 | ||
10160 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10161 | if (!msg) | |
10162 | return -ENOMEM; | |
10163 | ||
10164 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
10165 | NL80211_CMD_GET_COALESCE); | |
10166 | if (!hdr) | |
10167 | goto nla_put_failure; | |
10168 | ||
10169 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
10170 | goto nla_put_failure; | |
10171 | ||
10172 | genlmsg_end(msg, hdr); | |
10173 | return genlmsg_reply(msg, info); | |
10174 | ||
10175 | nla_put_failure: | |
10176 | nlmsg_free(msg); | |
10177 | return -ENOBUFS; | |
10178 | } | |
10179 | ||
10180 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
10181 | { | |
10182 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
10183 | int i, j; | |
10184 | struct cfg80211_coalesce_rules *rule; | |
10185 | ||
10186 | if (!coalesce) | |
10187 | return; | |
10188 | ||
10189 | for (i = 0; i < coalesce->n_rules; i++) { | |
10190 | rule = &coalesce->rules[i]; | |
10191 | for (j = 0; j < rule->n_patterns; j++) | |
10192 | kfree(rule->patterns[j].mask); | |
10193 | kfree(rule->patterns); | |
10194 | } | |
10195 | kfree(coalesce->rules); | |
10196 | kfree(coalesce); | |
10197 | rdev->coalesce = NULL; | |
10198 | } | |
10199 | ||
10200 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
10201 | struct nlattr *rule, | |
10202 | struct cfg80211_coalesce_rules *new_rule) | |
10203 | { | |
10204 | int err, i; | |
10205 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10206 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
10207 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
10208 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
10209 | ||
10210 | err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule), | |
10211 | nla_len(rule), nl80211_coalesce_policy); | |
10212 | if (err) | |
10213 | return err; | |
10214 | ||
10215 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
10216 | new_rule->delay = | |
10217 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
10218 | if (new_rule->delay > coalesce->max_delay) | |
10219 | return -EINVAL; | |
10220 | ||
10221 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
10222 | new_rule->condition = | |
10223 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
10224 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
10225 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
10226 | return -EINVAL; | |
10227 | ||
10228 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
10229 | return -EINVAL; | |
10230 | ||
10231 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10232 | rem) | |
10233 | n_patterns++; | |
10234 | if (n_patterns > coalesce->n_patterns) | |
10235 | return -EINVAL; | |
10236 | ||
10237 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
10238 | GFP_KERNEL); | |
10239 | if (!new_rule->patterns) | |
10240 | return -ENOMEM; | |
10241 | ||
10242 | new_rule->n_patterns = n_patterns; | |
10243 | i = 0; | |
10244 | ||
10245 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10246 | rem) { | |
922bd80f JB |
10247 | u8 *mask_pat; |
10248 | ||
be29b99a AK |
10249 | nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), |
10250 | nla_len(pat), NULL); | |
10251 | if (!pat_tb[NL80211_PKTPAT_MASK] || | |
10252 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
10253 | return -EINVAL; | |
10254 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
10255 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
10256 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
10257 | return -EINVAL; | |
10258 | if (pat_len > coalesce->pattern_max_len || | |
10259 | pat_len < coalesce->pattern_min_len) | |
10260 | return -EINVAL; | |
10261 | ||
10262 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
10263 | pkt_offset = 0; | |
10264 | else | |
10265 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
10266 | if (pkt_offset > coalesce->max_pkt_offset) | |
10267 | return -EINVAL; | |
10268 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
10269 | ||
922bd80f JB |
10270 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10271 | if (!mask_pat) | |
be29b99a | 10272 | return -ENOMEM; |
922bd80f JB |
10273 | |
10274 | new_rule->patterns[i].mask = mask_pat; | |
10275 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
10276 | mask_len); | |
10277 | ||
10278 | mask_pat += mask_len; | |
10279 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 10280 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
10281 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
10282 | pat_len); | |
be29b99a AK |
10283 | i++; |
10284 | } | |
10285 | ||
10286 | return 0; | |
10287 | } | |
10288 | ||
10289 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10290 | { | |
10291 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10292 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10293 | struct cfg80211_coalesce new_coalesce = {}; | |
10294 | struct cfg80211_coalesce *n_coalesce; | |
10295 | int err, rem_rule, n_rules = 0, i, j; | |
10296 | struct nlattr *rule; | |
10297 | struct cfg80211_coalesce_rules *tmp_rule; | |
10298 | ||
10299 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
10300 | return -EOPNOTSUPP; | |
10301 | ||
10302 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
10303 | cfg80211_rdev_free_coalesce(rdev); | |
a1056b1b | 10304 | rdev_set_coalesce(rdev, NULL); |
be29b99a AK |
10305 | return 0; |
10306 | } | |
10307 | ||
10308 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10309 | rem_rule) | |
10310 | n_rules++; | |
10311 | if (n_rules > coalesce->n_rules) | |
10312 | return -EINVAL; | |
10313 | ||
10314 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
10315 | GFP_KERNEL); | |
10316 | if (!new_coalesce.rules) | |
10317 | return -ENOMEM; | |
10318 | ||
10319 | new_coalesce.n_rules = n_rules; | |
10320 | i = 0; | |
10321 | ||
10322 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10323 | rem_rule) { | |
10324 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
10325 | &new_coalesce.rules[i]); | |
10326 | if (err) | |
10327 | goto error; | |
10328 | ||
10329 | i++; | |
10330 | } | |
10331 | ||
a1056b1b | 10332 | err = rdev_set_coalesce(rdev, &new_coalesce); |
be29b99a AK |
10333 | if (err) |
10334 | goto error; | |
10335 | ||
10336 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
10337 | if (!n_coalesce) { | |
10338 | err = -ENOMEM; | |
10339 | goto error; | |
10340 | } | |
10341 | cfg80211_rdev_free_coalesce(rdev); | |
10342 | rdev->coalesce = n_coalesce; | |
10343 | ||
10344 | return 0; | |
10345 | error: | |
10346 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
10347 | tmp_rule = &new_coalesce.rules[i]; | |
10348 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
10349 | kfree(tmp_rule->patterns[j].mask); | |
10350 | kfree(tmp_rule->patterns); | |
10351 | } | |
10352 | kfree(new_coalesce.rules); | |
10353 | ||
10354 | return err; | |
10355 | } | |
10356 | ||
e5497d76 JB |
10357 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
10358 | { | |
10359 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10360 | struct net_device *dev = info->user_ptr[1]; | |
10361 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10362 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
10363 | struct cfg80211_gtk_rekey_data rekey_data; | |
10364 | int err; | |
10365 | ||
10366 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
10367 | return -EINVAL; | |
10368 | ||
10369 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, | |
10370 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
10371 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), | |
10372 | nl80211_rekey_policy); | |
10373 | if (err) | |
10374 | return err; | |
10375 | ||
10376 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
10377 | return -ERANGE; | |
10378 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
10379 | return -ERANGE; | |
10380 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
10381 | return -ERANGE; | |
10382 | ||
78f686ca JB |
10383 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
10384 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
10385 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
10386 | |
10387 | wdev_lock(wdev); | |
10388 | if (!wdev->current_bss) { | |
10389 | err = -ENOTCONN; | |
10390 | goto out; | |
10391 | } | |
10392 | ||
10393 | if (!rdev->ops->set_rekey_data) { | |
10394 | err = -EOPNOTSUPP; | |
10395 | goto out; | |
10396 | } | |
10397 | ||
e35e4d28 | 10398 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
10399 | out: |
10400 | wdev_unlock(wdev); | |
10401 | return err; | |
10402 | } | |
10403 | ||
28946da7 JB |
10404 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
10405 | struct genl_info *info) | |
10406 | { | |
10407 | struct net_device *dev = info->user_ptr[1]; | |
10408 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10409 | ||
10410 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10411 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10412 | return -EINVAL; | |
10413 | ||
15e47304 | 10414 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
10415 | return -EBUSY; |
10416 | ||
15e47304 | 10417 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
10418 | return 0; |
10419 | } | |
10420 | ||
7f6cf311 JB |
10421 | static int nl80211_probe_client(struct sk_buff *skb, |
10422 | struct genl_info *info) | |
10423 | { | |
10424 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10425 | struct net_device *dev = info->user_ptr[1]; | |
10426 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10427 | struct sk_buff *msg; | |
10428 | void *hdr; | |
10429 | const u8 *addr; | |
10430 | u64 cookie; | |
10431 | int err; | |
10432 | ||
10433 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10434 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10435 | return -EOPNOTSUPP; | |
10436 | ||
10437 | if (!info->attrs[NL80211_ATTR_MAC]) | |
10438 | return -EINVAL; | |
10439 | ||
10440 | if (!rdev->ops->probe_client) | |
10441 | return -EOPNOTSUPP; | |
10442 | ||
10443 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10444 | if (!msg) | |
10445 | return -ENOMEM; | |
10446 | ||
15e47304 | 10447 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 10448 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
10449 | if (!hdr) { |
10450 | err = -ENOBUFS; | |
7f6cf311 JB |
10451 | goto free_msg; |
10452 | } | |
10453 | ||
10454 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10455 | ||
e35e4d28 | 10456 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
10457 | if (err) |
10458 | goto free_msg; | |
10459 | ||
2dad624e ND |
10460 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
10461 | NL80211_ATTR_PAD)) | |
9360ffd1 | 10462 | goto nla_put_failure; |
7f6cf311 JB |
10463 | |
10464 | genlmsg_end(msg, hdr); | |
10465 | ||
10466 | return genlmsg_reply(msg, info); | |
10467 | ||
10468 | nla_put_failure: | |
10469 | err = -ENOBUFS; | |
10470 | free_msg: | |
10471 | nlmsg_free(msg); | |
10472 | return err; | |
10473 | } | |
10474 | ||
5e760230 JB |
10475 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
10476 | { | |
10477 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
10478 | struct cfg80211_beacon_registration *reg, *nreg; |
10479 | int rv; | |
5e760230 JB |
10480 | |
10481 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
10482 | return -EOPNOTSUPP; | |
10483 | ||
37c73b5f BG |
10484 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
10485 | if (!nreg) | |
10486 | return -ENOMEM; | |
10487 | ||
10488 | /* First, check if already registered. */ | |
10489 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
10490 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
10491 | if (reg->nlportid == info->snd_portid) { | |
10492 | rv = -EALREADY; | |
10493 | goto out_err; | |
10494 | } | |
10495 | } | |
10496 | /* Add it to the list */ | |
10497 | nreg->nlportid = info->snd_portid; | |
10498 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 10499 | |
37c73b5f | 10500 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
10501 | |
10502 | return 0; | |
37c73b5f BG |
10503 | out_err: |
10504 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
10505 | kfree(nreg); | |
10506 | return rv; | |
5e760230 JB |
10507 | } |
10508 | ||
98104fde JB |
10509 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
10510 | { | |
10511 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10512 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10513 | int err; | |
10514 | ||
10515 | if (!rdev->ops->start_p2p_device) | |
10516 | return -EOPNOTSUPP; | |
10517 | ||
10518 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
10519 | return -EOPNOTSUPP; | |
10520 | ||
10521 | if (wdev->p2p_started) | |
10522 | return 0; | |
10523 | ||
b6a55015 LC |
10524 | if (rfkill_blocked(rdev->rfkill)) |
10525 | return -ERFKILL; | |
98104fde | 10526 | |
eeb126e9 | 10527 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
10528 | if (err) |
10529 | return err; | |
10530 | ||
10531 | wdev->p2p_started = true; | |
98104fde | 10532 | rdev->opencount++; |
98104fde JB |
10533 | |
10534 | return 0; | |
10535 | } | |
10536 | ||
10537 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
10538 | { | |
10539 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10540 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10541 | ||
10542 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
10543 | return -EOPNOTSUPP; | |
10544 | ||
10545 | if (!rdev->ops->stop_p2p_device) | |
10546 | return -EOPNOTSUPP; | |
10547 | ||
f9f47529 | 10548 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
10549 | |
10550 | return 0; | |
10551 | } | |
10552 | ||
cb3b7d87 AB |
10553 | static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info) |
10554 | { | |
10555 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10556 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10557 | struct cfg80211_nan_conf conf = {}; | |
10558 | int err; | |
10559 | ||
10560 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10561 | return -EOPNOTSUPP; | |
10562 | ||
10563 | if (wdev->nan_started) | |
10564 | return -EEXIST; | |
10565 | ||
10566 | if (rfkill_blocked(rdev->rfkill)) | |
10567 | return -ERFKILL; | |
10568 | ||
10569 | if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) | |
10570 | return -EINVAL; | |
10571 | ||
10572 | if (!info->attrs[NL80211_ATTR_NAN_DUAL]) | |
10573 | return -EINVAL; | |
10574 | ||
10575 | conf.master_pref = | |
10576 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
10577 | if (!conf.master_pref) | |
10578 | return -EINVAL; | |
10579 | ||
10580 | conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]); | |
10581 | ||
10582 | err = rdev_start_nan(rdev, wdev, &conf); | |
10583 | if (err) | |
10584 | return err; | |
10585 | ||
10586 | wdev->nan_started = true; | |
10587 | rdev->opencount++; | |
10588 | ||
10589 | return 0; | |
10590 | } | |
10591 | ||
10592 | static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info) | |
10593 | { | |
10594 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10595 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10596 | ||
10597 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10598 | return -EOPNOTSUPP; | |
10599 | ||
10600 | cfg80211_stop_nan(rdev, wdev); | |
10601 | ||
10602 | return 0; | |
10603 | } | |
10604 | ||
a442b761 AB |
10605 | static int validate_nan_filter(struct nlattr *filter_attr) |
10606 | { | |
10607 | struct nlattr *attr; | |
10608 | int len = 0, n_entries = 0, rem; | |
10609 | ||
10610 | nla_for_each_nested(attr, filter_attr, rem) { | |
10611 | len += nla_len(attr); | |
10612 | n_entries++; | |
10613 | } | |
10614 | ||
10615 | if (len >= U8_MAX) | |
10616 | return -EINVAL; | |
10617 | ||
10618 | return n_entries; | |
10619 | } | |
10620 | ||
10621 | static int handle_nan_filter(struct nlattr *attr_filter, | |
10622 | struct cfg80211_nan_func *func, | |
10623 | bool tx) | |
10624 | { | |
10625 | struct nlattr *attr; | |
10626 | int n_entries, rem, i; | |
10627 | struct cfg80211_nan_func_filter *filter; | |
10628 | ||
10629 | n_entries = validate_nan_filter(attr_filter); | |
10630 | if (n_entries < 0) | |
10631 | return n_entries; | |
10632 | ||
10633 | BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters)); | |
10634 | ||
10635 | filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL); | |
10636 | if (!filter) | |
10637 | return -ENOMEM; | |
10638 | ||
10639 | i = 0; | |
10640 | nla_for_each_nested(attr, attr_filter, rem) { | |
10641 | filter[i].filter = kmemdup(nla_data(attr), nla_len(attr), | |
10642 | GFP_KERNEL); | |
10643 | filter[i].len = nla_len(attr); | |
10644 | i++; | |
10645 | } | |
10646 | if (tx) { | |
10647 | func->num_tx_filters = n_entries; | |
10648 | func->tx_filters = filter; | |
10649 | } else { | |
10650 | func->num_rx_filters = n_entries; | |
10651 | func->rx_filters = filter; | |
10652 | } | |
10653 | ||
10654 | return 0; | |
10655 | } | |
10656 | ||
10657 | static int nl80211_nan_add_func(struct sk_buff *skb, | |
10658 | struct genl_info *info) | |
10659 | { | |
10660 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10661 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10662 | struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr; | |
10663 | struct cfg80211_nan_func *func; | |
10664 | struct sk_buff *msg = NULL; | |
10665 | void *hdr = NULL; | |
10666 | int err = 0; | |
10667 | ||
10668 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10669 | return -EOPNOTSUPP; | |
10670 | ||
10671 | if (!wdev->nan_started) | |
10672 | return -ENOTCONN; | |
10673 | ||
10674 | if (!info->attrs[NL80211_ATTR_NAN_FUNC]) | |
10675 | return -EINVAL; | |
10676 | ||
10677 | if (wdev->owner_nlportid && | |
10678 | wdev->owner_nlportid != info->snd_portid) | |
10679 | return -ENOTCONN; | |
10680 | ||
10681 | err = nla_parse(tb, NL80211_NAN_FUNC_ATTR_MAX, | |
10682 | nla_data(info->attrs[NL80211_ATTR_NAN_FUNC]), | |
10683 | nla_len(info->attrs[NL80211_ATTR_NAN_FUNC]), | |
10684 | nl80211_nan_func_policy); | |
10685 | if (err) | |
10686 | return err; | |
10687 | ||
10688 | func = kzalloc(sizeof(*func), GFP_KERNEL); | |
10689 | if (!func) | |
10690 | return -ENOMEM; | |
10691 | ||
10692 | func->cookie = wdev->wiphy->cookie_counter++; | |
10693 | ||
10694 | if (!tb[NL80211_NAN_FUNC_TYPE] || | |
10695 | nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) { | |
10696 | err = -EINVAL; | |
10697 | goto out; | |
10698 | } | |
10699 | ||
10700 | ||
10701 | func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]); | |
10702 | ||
10703 | if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) { | |
10704 | err = -EINVAL; | |
10705 | goto out; | |
10706 | } | |
10707 | ||
10708 | memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]), | |
10709 | sizeof(func->service_id)); | |
10710 | ||
10711 | func->close_range = | |
10712 | nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]); | |
10713 | ||
10714 | if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) { | |
10715 | func->serv_spec_info_len = | |
10716 | nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]); | |
10717 | func->serv_spec_info = | |
10718 | kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]), | |
10719 | func->serv_spec_info_len, | |
10720 | GFP_KERNEL); | |
10721 | if (!func->serv_spec_info) { | |
10722 | err = -ENOMEM; | |
10723 | goto out; | |
10724 | } | |
10725 | } | |
10726 | ||
10727 | if (tb[NL80211_NAN_FUNC_TTL]) | |
10728 | func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]); | |
10729 | ||
10730 | switch (func->type) { | |
10731 | case NL80211_NAN_FUNC_PUBLISH: | |
10732 | if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) { | |
10733 | err = -EINVAL; | |
10734 | goto out; | |
10735 | } | |
10736 | ||
10737 | func->publish_type = | |
10738 | nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]); | |
10739 | func->publish_bcast = | |
10740 | nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]); | |
10741 | ||
10742 | if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) && | |
10743 | func->publish_bcast) { | |
10744 | err = -EINVAL; | |
10745 | goto out; | |
10746 | } | |
10747 | break; | |
10748 | case NL80211_NAN_FUNC_SUBSCRIBE: | |
10749 | func->subscribe_active = | |
10750 | nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]); | |
10751 | break; | |
10752 | case NL80211_NAN_FUNC_FOLLOW_UP: | |
10753 | if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] || | |
10754 | !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]) { | |
10755 | err = -EINVAL; | |
10756 | goto out; | |
10757 | } | |
10758 | ||
10759 | func->followup_id = | |
10760 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]); | |
10761 | func->followup_reqid = | |
10762 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]); | |
10763 | memcpy(func->followup_dest.addr, | |
10764 | nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]), | |
10765 | sizeof(func->followup_dest.addr)); | |
10766 | if (func->ttl) { | |
10767 | err = -EINVAL; | |
10768 | goto out; | |
10769 | } | |
10770 | break; | |
10771 | default: | |
10772 | err = -EINVAL; | |
10773 | goto out; | |
10774 | } | |
10775 | ||
10776 | if (tb[NL80211_NAN_FUNC_SRF]) { | |
10777 | struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR]; | |
10778 | ||
10779 | err = nla_parse(srf_tb, NL80211_NAN_SRF_ATTR_MAX, | |
10780 | nla_data(tb[NL80211_NAN_FUNC_SRF]), | |
10781 | nla_len(tb[NL80211_NAN_FUNC_SRF]), NULL); | |
10782 | if (err) | |
10783 | goto out; | |
10784 | ||
10785 | func->srf_include = | |
10786 | nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]); | |
10787 | ||
10788 | if (srf_tb[NL80211_NAN_SRF_BF]) { | |
10789 | if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] || | |
10790 | !srf_tb[NL80211_NAN_SRF_BF_IDX]) { | |
10791 | err = -EINVAL; | |
10792 | goto out; | |
10793 | } | |
10794 | ||
10795 | func->srf_bf_len = | |
10796 | nla_len(srf_tb[NL80211_NAN_SRF_BF]); | |
10797 | func->srf_bf = | |
10798 | kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]), | |
10799 | func->srf_bf_len, GFP_KERNEL); | |
10800 | if (!func->srf_bf) { | |
10801 | err = -ENOMEM; | |
10802 | goto out; | |
10803 | } | |
10804 | ||
10805 | func->srf_bf_idx = | |
10806 | nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]); | |
10807 | } else { | |
10808 | struct nlattr *attr, *mac_attr = | |
10809 | srf_tb[NL80211_NAN_SRF_MAC_ADDRS]; | |
10810 | int n_entries, rem, i = 0; | |
10811 | ||
10812 | if (!mac_attr) { | |
10813 | err = -EINVAL; | |
10814 | goto out; | |
10815 | } | |
10816 | ||
10817 | n_entries = validate_acl_mac_addrs(mac_attr); | |
10818 | if (n_entries <= 0) { | |
10819 | err = -EINVAL; | |
10820 | goto out; | |
10821 | } | |
10822 | ||
10823 | func->srf_num_macs = n_entries; | |
10824 | func->srf_macs = | |
10825 | kzalloc(sizeof(*func->srf_macs) * n_entries, | |
10826 | GFP_KERNEL); | |
10827 | if (!func->srf_macs) { | |
10828 | err = -ENOMEM; | |
10829 | goto out; | |
10830 | } | |
10831 | ||
10832 | nla_for_each_nested(attr, mac_attr, rem) | |
10833 | memcpy(func->srf_macs[i++].addr, nla_data(attr), | |
10834 | sizeof(*func->srf_macs)); | |
10835 | } | |
10836 | } | |
10837 | ||
10838 | if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) { | |
10839 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER], | |
10840 | func, true); | |
10841 | if (err) | |
10842 | goto out; | |
10843 | } | |
10844 | ||
10845 | if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) { | |
10846 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER], | |
10847 | func, false); | |
10848 | if (err) | |
10849 | goto out; | |
10850 | } | |
10851 | ||
10852 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10853 | if (!msg) { | |
10854 | err = -ENOMEM; | |
10855 | goto out; | |
10856 | } | |
10857 | ||
10858 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
10859 | NL80211_CMD_ADD_NAN_FUNCTION); | |
10860 | /* This can't really happen - we just allocated 4KB */ | |
10861 | if (WARN_ON(!hdr)) { | |
10862 | err = -ENOMEM; | |
10863 | goto out; | |
10864 | } | |
10865 | ||
10866 | err = rdev_add_nan_func(rdev, wdev, func); | |
10867 | out: | |
10868 | if (err < 0) { | |
10869 | cfg80211_free_nan_func(func); | |
10870 | nlmsg_free(msg); | |
10871 | return err; | |
10872 | } | |
10873 | ||
10874 | /* propagate the instance id and cookie to userspace */ | |
10875 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie, | |
10876 | NL80211_ATTR_PAD)) | |
10877 | goto nla_put_failure; | |
10878 | ||
10879 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
10880 | if (!func_attr) | |
10881 | goto nla_put_failure; | |
10882 | ||
10883 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, | |
10884 | func->instance_id)) | |
10885 | goto nla_put_failure; | |
10886 | ||
10887 | nla_nest_end(msg, func_attr); | |
10888 | ||
10889 | genlmsg_end(msg, hdr); | |
10890 | return genlmsg_reply(msg, info); | |
10891 | ||
10892 | nla_put_failure: | |
10893 | nlmsg_free(msg); | |
10894 | return -ENOBUFS; | |
10895 | } | |
10896 | ||
10897 | static int nl80211_nan_del_func(struct sk_buff *skb, | |
10898 | struct genl_info *info) | |
10899 | { | |
10900 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10901 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10902 | u64 cookie; | |
10903 | ||
10904 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10905 | return -EOPNOTSUPP; | |
10906 | ||
10907 | if (!wdev->nan_started) | |
10908 | return -ENOTCONN; | |
10909 | ||
10910 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
10911 | return -EINVAL; | |
10912 | ||
10913 | if (wdev->owner_nlportid && | |
10914 | wdev->owner_nlportid != info->snd_portid) | |
10915 | return -ENOTCONN; | |
10916 | ||
10917 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
10918 | ||
10919 | rdev_del_nan_func(rdev, wdev, cookie); | |
10920 | ||
10921 | return 0; | |
10922 | } | |
10923 | ||
a5a9dcf2 AB |
10924 | static int nl80211_nan_change_config(struct sk_buff *skb, |
10925 | struct genl_info *info) | |
10926 | { | |
10927 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10928 | struct wireless_dev *wdev = info->user_ptr[1]; | |
10929 | struct cfg80211_nan_conf conf = {}; | |
10930 | u32 changed = 0; | |
10931 | ||
10932 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
10933 | return -EOPNOTSUPP; | |
10934 | ||
10935 | if (!wdev->nan_started) | |
10936 | return -ENOTCONN; | |
10937 | ||
10938 | if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) { | |
10939 | conf.master_pref = | |
10940 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
10941 | if (conf.master_pref <= 1 || conf.master_pref == 255) | |
10942 | return -EINVAL; | |
10943 | ||
10944 | changed |= CFG80211_NAN_CONF_CHANGED_PREF; | |
10945 | } | |
10946 | ||
10947 | if (info->attrs[NL80211_ATTR_NAN_DUAL]) { | |
10948 | conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]); | |
10949 | changed |= CFG80211_NAN_CONF_CHANGED_DUAL; | |
10950 | } | |
10951 | ||
10952 | if (!changed) | |
10953 | return -EINVAL; | |
10954 | ||
10955 | return rdev_nan_change_conf(rdev, wdev, &conf, changed); | |
10956 | } | |
10957 | ||
50bcd31d AB |
10958 | void cfg80211_nan_match(struct wireless_dev *wdev, |
10959 | struct cfg80211_nan_match_params *match, gfp_t gfp) | |
10960 | { | |
10961 | struct wiphy *wiphy = wdev->wiphy; | |
10962 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
10963 | struct nlattr *match_attr, *local_func_attr, *peer_func_attr; | |
10964 | struct sk_buff *msg; | |
10965 | void *hdr; | |
10966 | ||
10967 | if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr)) | |
10968 | return; | |
10969 | ||
10970 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
10971 | if (!msg) | |
10972 | return; | |
10973 | ||
10974 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH); | |
10975 | if (!hdr) { | |
10976 | nlmsg_free(msg); | |
10977 | return; | |
10978 | } | |
10979 | ||
10980 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
10981 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
10982 | wdev->netdev->ifindex)) || | |
10983 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
10984 | NL80211_ATTR_PAD)) | |
10985 | goto nla_put_failure; | |
10986 | ||
10987 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie, | |
10988 | NL80211_ATTR_PAD) || | |
10989 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr)) | |
10990 | goto nla_put_failure; | |
10991 | ||
10992 | match_attr = nla_nest_start(msg, NL80211_ATTR_NAN_MATCH); | |
10993 | if (!match_attr) | |
10994 | goto nla_put_failure; | |
10995 | ||
10996 | local_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_LOCAL); | |
10997 | if (!local_func_attr) | |
10998 | goto nla_put_failure; | |
10999 | ||
11000 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id)) | |
11001 | goto nla_put_failure; | |
11002 | ||
11003 | nla_nest_end(msg, local_func_attr); | |
11004 | ||
11005 | peer_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_PEER); | |
11006 | if (!peer_func_attr) | |
11007 | goto nla_put_failure; | |
11008 | ||
11009 | if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) || | |
11010 | nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id)) | |
11011 | goto nla_put_failure; | |
11012 | ||
11013 | if (match->info && match->info_len && | |
11014 | nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len, | |
11015 | match->info)) | |
11016 | goto nla_put_failure; | |
11017 | ||
11018 | nla_nest_end(msg, peer_func_attr); | |
11019 | nla_nest_end(msg, match_attr); | |
11020 | genlmsg_end(msg, hdr); | |
11021 | ||
11022 | if (!wdev->owner_nlportid) | |
11023 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11024 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11025 | else | |
11026 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11027 | wdev->owner_nlportid); | |
11028 | ||
11029 | return; | |
11030 | ||
11031 | nla_put_failure: | |
11032 | nlmsg_free(msg); | |
11033 | } | |
11034 | EXPORT_SYMBOL(cfg80211_nan_match); | |
11035 | ||
368e5a7b AB |
11036 | void cfg80211_nan_func_terminated(struct wireless_dev *wdev, |
11037 | u8 inst_id, | |
11038 | enum nl80211_nan_func_term_reason reason, | |
11039 | u64 cookie, gfp_t gfp) | |
11040 | { | |
11041 | struct wiphy *wiphy = wdev->wiphy; | |
11042 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11043 | struct sk_buff *msg; | |
11044 | struct nlattr *func_attr; | |
11045 | void *hdr; | |
11046 | ||
11047 | if (WARN_ON(!inst_id)) | |
11048 | return; | |
11049 | ||
11050 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11051 | if (!msg) | |
11052 | return; | |
11053 | ||
11054 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION); | |
11055 | if (!hdr) { | |
11056 | nlmsg_free(msg); | |
11057 | return; | |
11058 | } | |
11059 | ||
11060 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11061 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11062 | wdev->netdev->ifindex)) || | |
11063 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11064 | NL80211_ATTR_PAD)) | |
11065 | goto nla_put_failure; | |
11066 | ||
11067 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, | |
11068 | NL80211_ATTR_PAD)) | |
11069 | goto nla_put_failure; | |
11070 | ||
11071 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
11072 | if (!func_attr) | |
11073 | goto nla_put_failure; | |
11074 | ||
11075 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) || | |
11076 | nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason)) | |
11077 | goto nla_put_failure; | |
11078 | ||
11079 | nla_nest_end(msg, func_attr); | |
11080 | genlmsg_end(msg, hdr); | |
11081 | ||
11082 | if (!wdev->owner_nlportid) | |
11083 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11084 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11085 | else | |
11086 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11087 | wdev->owner_nlportid); | |
11088 | ||
11089 | return; | |
11090 | ||
11091 | nla_put_failure: | |
11092 | nlmsg_free(msg); | |
11093 | } | |
11094 | EXPORT_SYMBOL(cfg80211_nan_func_terminated); | |
11095 | ||
3713b4e3 JB |
11096 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
11097 | struct genl_info *info) | |
11098 | { | |
11099 | void *hdr; | |
11100 | struct sk_buff *msg; | |
11101 | ||
11102 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11103 | if (!msg) | |
11104 | return -ENOMEM; | |
11105 | ||
11106 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
11107 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
11108 | if (!hdr) | |
11109 | goto nla_put_failure; | |
11110 | ||
11111 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
11112 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
11113 | goto nla_put_failure; | |
11114 | ||
11115 | genlmsg_end(msg, hdr); | |
11116 | return genlmsg_reply(msg, info); | |
11117 | ||
11118 | nla_put_failure: | |
11119 | kfree_skb(msg); | |
11120 | return -ENOBUFS; | |
11121 | } | |
11122 | ||
355199e0 JM |
11123 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
11124 | { | |
11125 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11126 | struct cfg80211_update_ft_ies_params ft_params; | |
11127 | struct net_device *dev = info->user_ptr[1]; | |
11128 | ||
11129 | if (!rdev->ops->update_ft_ies) | |
11130 | return -EOPNOTSUPP; | |
11131 | ||
11132 | if (!info->attrs[NL80211_ATTR_MDID] || | |
11133 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
11134 | return -EINVAL; | |
11135 | ||
11136 | memset(&ft_params, 0, sizeof(ft_params)); | |
11137 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
11138 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
11139 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
11140 | ||
11141 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
11142 | } | |
11143 | ||
5de17984 AS |
11144 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
11145 | struct genl_info *info) | |
11146 | { | |
11147 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11148 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11149 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
11150 | u16 duration; | |
11151 | int ret; | |
11152 | ||
11153 | if (!rdev->ops->crit_proto_start) | |
11154 | return -EOPNOTSUPP; | |
11155 | ||
11156 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
11157 | return -EINVAL; | |
11158 | ||
11159 | if (rdev->crit_proto_nlportid) | |
11160 | return -EBUSY; | |
11161 | ||
11162 | /* determine protocol if provided */ | |
11163 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
11164 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
11165 | ||
11166 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
11167 | return -EINVAL; | |
11168 | ||
11169 | /* timeout must be provided */ | |
11170 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
11171 | return -EINVAL; | |
11172 | ||
11173 | duration = | |
11174 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
11175 | ||
11176 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
11177 | return -ERANGE; | |
11178 | ||
11179 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
11180 | if (!ret) | |
11181 | rdev->crit_proto_nlportid = info->snd_portid; | |
11182 | ||
11183 | return ret; | |
11184 | } | |
11185 | ||
11186 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
11187 | struct genl_info *info) | |
11188 | { | |
11189 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11190 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11191 | ||
11192 | if (!rdev->ops->crit_proto_stop) | |
11193 | return -EOPNOTSUPP; | |
11194 | ||
11195 | if (rdev->crit_proto_nlportid) { | |
11196 | rdev->crit_proto_nlportid = 0; | |
11197 | rdev_crit_proto_stop(rdev, wdev); | |
11198 | } | |
11199 | return 0; | |
11200 | } | |
11201 | ||
ad7e718c JB |
11202 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
11203 | { | |
11204 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11205 | struct wireless_dev *wdev = | |
11206 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
11207 | int i, err; | |
11208 | u32 vid, subcmd; | |
11209 | ||
11210 | if (!rdev->wiphy.vendor_commands) | |
11211 | return -EOPNOTSUPP; | |
11212 | ||
11213 | if (IS_ERR(wdev)) { | |
11214 | err = PTR_ERR(wdev); | |
11215 | if (err != -EINVAL) | |
11216 | return err; | |
11217 | wdev = NULL; | |
11218 | } else if (wdev->wiphy != &rdev->wiphy) { | |
11219 | return -EINVAL; | |
11220 | } | |
11221 | ||
11222 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
11223 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
11224 | return -EINVAL; | |
11225 | ||
11226 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
11227 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
11228 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
11229 | const struct wiphy_vendor_command *vcmd; | |
11230 | void *data = NULL; | |
11231 | int len = 0; | |
11232 | ||
11233 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
11234 | ||
11235 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11236 | continue; | |
11237 | ||
11238 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11239 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
11240 | if (!wdev) | |
11241 | return -EINVAL; | |
11242 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
11243 | !wdev->netdev) | |
11244 | return -EINVAL; | |
11245 | ||
11246 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
11247 | if (wdev->netdev && | |
11248 | !netif_running(wdev->netdev)) | |
11249 | return -ENETDOWN; | |
11250 | if (!wdev->netdev && !wdev->p2p_started) | |
11251 | return -ENETDOWN; | |
11252 | } | |
7bdbe400 JB |
11253 | |
11254 | if (!vcmd->doit) | |
11255 | return -EOPNOTSUPP; | |
ad7e718c JB |
11256 | } else { |
11257 | wdev = NULL; | |
11258 | } | |
11259 | ||
11260 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
11261 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11262 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11263 | } | |
11264 | ||
11265 | rdev->cur_cmd_info = info; | |
11266 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
11267 | data, len); | |
11268 | rdev->cur_cmd_info = NULL; | |
11269 | return err; | |
11270 | } | |
11271 | ||
11272 | return -EOPNOTSUPP; | |
11273 | } | |
11274 | ||
7bdbe400 JB |
11275 | static int nl80211_prepare_vendor_dump(struct sk_buff *skb, |
11276 | struct netlink_callback *cb, | |
11277 | struct cfg80211_registered_device **rdev, | |
11278 | struct wireless_dev **wdev) | |
11279 | { | |
11280 | u32 vid, subcmd; | |
11281 | unsigned int i; | |
11282 | int vcmd_idx = -1; | |
11283 | int err; | |
11284 | void *data = NULL; | |
11285 | unsigned int data_len = 0; | |
11286 | ||
11287 | rtnl_lock(); | |
11288 | ||
11289 | if (cb->args[0]) { | |
11290 | /* subtract the 1 again here */ | |
11291 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
11292 | struct wireless_dev *tmp; | |
11293 | ||
11294 | if (!wiphy) { | |
11295 | err = -ENODEV; | |
11296 | goto out_unlock; | |
11297 | } | |
11298 | *rdev = wiphy_to_rdev(wiphy); | |
11299 | *wdev = NULL; | |
11300 | ||
11301 | if (cb->args[1]) { | |
53873f13 | 11302 | list_for_each_entry(tmp, &wiphy->wdev_list, list) { |
7bdbe400 JB |
11303 | if (tmp->identifier == cb->args[1] - 1) { |
11304 | *wdev = tmp; | |
11305 | break; | |
11306 | } | |
11307 | } | |
11308 | } | |
11309 | ||
11310 | /* keep rtnl locked in successful case */ | |
11311 | return 0; | |
11312 | } | |
11313 | ||
11314 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
11315 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
11316 | nl80211_policy); | |
11317 | if (err) | |
11318 | goto out_unlock; | |
11319 | ||
11320 | if (!nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_ID] || | |
11321 | !nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) { | |
11322 | err = -EINVAL; | |
11323 | goto out_unlock; | |
11324 | } | |
11325 | ||
11326 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), | |
11327 | nl80211_fam.attrbuf); | |
11328 | if (IS_ERR(*wdev)) | |
11329 | *wdev = NULL; | |
11330 | ||
11331 | *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), | |
11332 | nl80211_fam.attrbuf); | |
11333 | if (IS_ERR(*rdev)) { | |
11334 | err = PTR_ERR(*rdev); | |
11335 | goto out_unlock; | |
11336 | } | |
11337 | ||
11338 | vid = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_ID]); | |
11339 | subcmd = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); | |
11340 | ||
11341 | for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) { | |
11342 | const struct wiphy_vendor_command *vcmd; | |
11343 | ||
11344 | vcmd = &(*rdev)->wiphy.vendor_commands[i]; | |
11345 | ||
11346 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11347 | continue; | |
11348 | ||
11349 | if (!vcmd->dumpit) { | |
11350 | err = -EOPNOTSUPP; | |
11351 | goto out_unlock; | |
11352 | } | |
11353 | ||
11354 | vcmd_idx = i; | |
11355 | break; | |
11356 | } | |
11357 | ||
11358 | if (vcmd_idx < 0) { | |
11359 | err = -EOPNOTSUPP; | |
11360 | goto out_unlock; | |
11361 | } | |
11362 | ||
11363 | if (nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]) { | |
11364 | data = nla_data(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
11365 | data_len = nla_len(nl80211_fam.attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
11366 | } | |
11367 | ||
11368 | /* 0 is the first index - add 1 to parse only once */ | |
11369 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
11370 | /* add 1 to know if it was NULL */ | |
11371 | cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0; | |
11372 | cb->args[2] = vcmd_idx; | |
11373 | cb->args[3] = (unsigned long)data; | |
11374 | cb->args[4] = data_len; | |
11375 | ||
11376 | /* keep rtnl locked in successful case */ | |
11377 | return 0; | |
11378 | out_unlock: | |
11379 | rtnl_unlock(); | |
11380 | return err; | |
11381 | } | |
11382 | ||
11383 | static int nl80211_vendor_cmd_dump(struct sk_buff *skb, | |
11384 | struct netlink_callback *cb) | |
11385 | { | |
11386 | struct cfg80211_registered_device *rdev; | |
11387 | struct wireless_dev *wdev; | |
11388 | unsigned int vcmd_idx; | |
11389 | const struct wiphy_vendor_command *vcmd; | |
11390 | void *data; | |
11391 | int data_len; | |
11392 | int err; | |
11393 | struct nlattr *vendor_data; | |
11394 | ||
11395 | err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev); | |
11396 | if (err) | |
11397 | return err; | |
11398 | ||
11399 | vcmd_idx = cb->args[2]; | |
11400 | data = (void *)cb->args[3]; | |
11401 | data_len = cb->args[4]; | |
11402 | vcmd = &rdev->wiphy.vendor_commands[vcmd_idx]; | |
11403 | ||
11404 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11405 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
11406 | if (!wdev) | |
11407 | return -EINVAL; | |
11408 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
11409 | !wdev->netdev) | |
11410 | return -EINVAL; | |
11411 | ||
11412 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
11413 | if (wdev->netdev && | |
11414 | !netif_running(wdev->netdev)) | |
11415 | return -ENETDOWN; | |
11416 | if (!wdev->netdev && !wdev->p2p_started) | |
11417 | return -ENETDOWN; | |
11418 | } | |
11419 | } | |
11420 | ||
11421 | while (1) { | |
11422 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, | |
11423 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
11424 | NL80211_CMD_VENDOR); | |
11425 | if (!hdr) | |
11426 | break; | |
11427 | ||
11428 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
11429 | (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
11430 | wdev_id(wdev), | |
11431 | NL80211_ATTR_PAD))) { | |
7bdbe400 JB |
11432 | genlmsg_cancel(skb, hdr); |
11433 | break; | |
11434 | } | |
11435 | ||
11436 | vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA); | |
11437 | if (!vendor_data) { | |
11438 | genlmsg_cancel(skb, hdr); | |
11439 | break; | |
11440 | } | |
11441 | ||
11442 | err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len, | |
11443 | (unsigned long *)&cb->args[5]); | |
11444 | nla_nest_end(skb, vendor_data); | |
11445 | ||
11446 | if (err == -ENOBUFS || err == -ENOENT) { | |
11447 | genlmsg_cancel(skb, hdr); | |
11448 | break; | |
11449 | } else if (err) { | |
11450 | genlmsg_cancel(skb, hdr); | |
11451 | goto out; | |
11452 | } | |
11453 | ||
11454 | genlmsg_end(skb, hdr); | |
11455 | } | |
11456 | ||
11457 | err = skb->len; | |
11458 | out: | |
11459 | rtnl_unlock(); | |
11460 | return err; | |
11461 | } | |
11462 | ||
ad7e718c JB |
11463 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, |
11464 | enum nl80211_commands cmd, | |
11465 | enum nl80211_attrs attr, | |
11466 | int approxlen) | |
11467 | { | |
f26cbf40 | 11468 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
11469 | |
11470 | if (WARN_ON(!rdev->cur_cmd_info)) | |
11471 | return NULL; | |
11472 | ||
6c09e791 | 11473 | return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen, |
ad7e718c JB |
11474 | rdev->cur_cmd_info->snd_portid, |
11475 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 11476 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
11477 | } |
11478 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
11479 | ||
11480 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
11481 | { | |
11482 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
11483 | void *hdr = ((void **)skb->cb)[1]; | |
11484 | struct nlattr *data = ((void **)skb->cb)[2]; | |
11485 | ||
bd8c78e7 JB |
11486 | /* clear CB data for netlink core to own from now on */ |
11487 | memset(skb->cb, 0, sizeof(skb->cb)); | |
11488 | ||
ad7e718c JB |
11489 | if (WARN_ON(!rdev->cur_cmd_info)) { |
11490 | kfree_skb(skb); | |
11491 | return -EINVAL; | |
11492 | } | |
11493 | ||
11494 | nla_nest_end(skb, data); | |
11495 | genlmsg_end(skb, hdr); | |
11496 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
11497 | } | |
11498 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
11499 | ||
fa9ffc74 KP |
11500 | static int nl80211_set_qos_map(struct sk_buff *skb, |
11501 | struct genl_info *info) | |
11502 | { | |
11503 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11504 | struct cfg80211_qos_map *qos_map = NULL; | |
11505 | struct net_device *dev = info->user_ptr[1]; | |
11506 | u8 *pos, len, num_des, des_len, des; | |
11507 | int ret; | |
11508 | ||
11509 | if (!rdev->ops->set_qos_map) | |
11510 | return -EOPNOTSUPP; | |
11511 | ||
11512 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
11513 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
11514 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
11515 | ||
11516 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
11517 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
11518 | return -EINVAL; | |
11519 | ||
11520 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
11521 | if (!qos_map) | |
11522 | return -ENOMEM; | |
11523 | ||
11524 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
11525 | if (num_des) { | |
11526 | des_len = num_des * | |
11527 | sizeof(struct cfg80211_dscp_exception); | |
11528 | memcpy(qos_map->dscp_exception, pos, des_len); | |
11529 | qos_map->num_des = num_des; | |
11530 | for (des = 0; des < num_des; des++) { | |
11531 | if (qos_map->dscp_exception[des].up > 7) { | |
11532 | kfree(qos_map); | |
11533 | return -EINVAL; | |
11534 | } | |
11535 | } | |
11536 | pos += des_len; | |
11537 | } | |
11538 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
11539 | } | |
11540 | ||
11541 | wdev_lock(dev->ieee80211_ptr); | |
11542 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
11543 | if (!ret) | |
11544 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
11545 | wdev_unlock(dev->ieee80211_ptr); | |
11546 | ||
11547 | kfree(qos_map); | |
11548 | return ret; | |
11549 | } | |
11550 | ||
960d01ac JB |
11551 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
11552 | { | |
11553 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11554 | struct net_device *dev = info->user_ptr[1]; | |
11555 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11556 | const u8 *peer; | |
11557 | u8 tsid, up; | |
11558 | u16 admitted_time = 0; | |
11559 | int err; | |
11560 | ||
723e73ac | 11561 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
11562 | return -EOPNOTSUPP; |
11563 | ||
11564 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
11565 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
11566 | return -EINVAL; | |
11567 | ||
11568 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
11569 | if (tsid >= IEEE80211_NUM_TIDS) | |
11570 | return -EINVAL; | |
11571 | ||
11572 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
11573 | if (up >= IEEE80211_NUM_UPS) | |
11574 | return -EINVAL; | |
11575 | ||
11576 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 11577 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 11578 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
11579 | * need more attributes for that (e.g. BA session requirement); |
11580 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
11581 | */ |
11582 | return -EINVAL; | |
11583 | } | |
11584 | ||
11585 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11586 | ||
11587 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
11588 | admitted_time = | |
11589 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
11590 | if (!admitted_time) | |
11591 | return -EINVAL; | |
11592 | } | |
11593 | ||
11594 | wdev_lock(wdev); | |
11595 | switch (wdev->iftype) { | |
11596 | case NL80211_IFTYPE_STATION: | |
11597 | case NL80211_IFTYPE_P2P_CLIENT: | |
11598 | if (wdev->current_bss) | |
11599 | break; | |
11600 | err = -ENOTCONN; | |
11601 | goto out; | |
11602 | default: | |
11603 | err = -EOPNOTSUPP; | |
11604 | goto out; | |
11605 | } | |
11606 | ||
11607 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
11608 | ||
11609 | out: | |
11610 | wdev_unlock(wdev); | |
11611 | return err; | |
11612 | } | |
11613 | ||
11614 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
11615 | { | |
11616 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11617 | struct net_device *dev = info->user_ptr[1]; | |
11618 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11619 | const u8 *peer; | |
11620 | u8 tsid; | |
11621 | int err; | |
11622 | ||
11623 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
11624 | return -EINVAL; | |
11625 | ||
11626 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
11627 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11628 | ||
11629 | wdev_lock(wdev); | |
11630 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
11631 | wdev_unlock(wdev); | |
11632 | ||
11633 | return err; | |
11634 | } | |
11635 | ||
1057d35e AN |
11636 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
11637 | struct genl_info *info) | |
11638 | { | |
11639 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11640 | struct net_device *dev = info->user_ptr[1]; | |
11641 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11642 | struct cfg80211_chan_def chandef = {}; | |
11643 | const u8 *addr; | |
11644 | u8 oper_class; | |
11645 | int err; | |
11646 | ||
11647 | if (!rdev->ops->tdls_channel_switch || | |
11648 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
11649 | return -EOPNOTSUPP; | |
11650 | ||
11651 | switch (dev->ieee80211_ptr->iftype) { | |
11652 | case NL80211_IFTYPE_STATION: | |
11653 | case NL80211_IFTYPE_P2P_CLIENT: | |
11654 | break; | |
11655 | default: | |
11656 | return -EOPNOTSUPP; | |
11657 | } | |
11658 | ||
11659 | if (!info->attrs[NL80211_ATTR_MAC] || | |
11660 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
11661 | return -EINVAL; | |
11662 | ||
11663 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
11664 | if (err) | |
11665 | return err; | |
11666 | ||
11667 | /* | |
11668 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
11669 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
11670 | * specification is not defined for them. | |
11671 | */ | |
57fbcce3 | 11672 | if (chandef.chan->band == NL80211_BAND_2GHZ && |
1057d35e AN |
11673 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && |
11674 | chandef.width != NL80211_CHAN_WIDTH_20) | |
11675 | return -EINVAL; | |
11676 | ||
11677 | /* we will be active on the TDLS link */ | |
923b352f AN |
11678 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
11679 | wdev->iftype)) | |
1057d35e AN |
11680 | return -EINVAL; |
11681 | ||
11682 | /* don't allow switching to DFS channels */ | |
11683 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
11684 | return -EINVAL; | |
11685 | ||
11686 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11687 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
11688 | ||
11689 | wdev_lock(wdev); | |
11690 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
11691 | wdev_unlock(wdev); | |
11692 | ||
11693 | return err; | |
11694 | } | |
11695 | ||
11696 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
11697 | struct genl_info *info) | |
11698 | { | |
11699 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11700 | struct net_device *dev = info->user_ptr[1]; | |
11701 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11702 | const u8 *addr; | |
11703 | ||
11704 | if (!rdev->ops->tdls_channel_switch || | |
11705 | !rdev->ops->tdls_cancel_channel_switch || | |
11706 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
11707 | return -EOPNOTSUPP; | |
11708 | ||
11709 | switch (dev->ieee80211_ptr->iftype) { | |
11710 | case NL80211_IFTYPE_STATION: | |
11711 | case NL80211_IFTYPE_P2P_CLIENT: | |
11712 | break; | |
11713 | default: | |
11714 | return -EOPNOTSUPP; | |
11715 | } | |
11716 | ||
11717 | if (!info->attrs[NL80211_ATTR_MAC]) | |
11718 | return -EINVAL; | |
11719 | ||
11720 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11721 | ||
11722 | wdev_lock(wdev); | |
11723 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
11724 | wdev_unlock(wdev); | |
11725 | ||
11726 | return 0; | |
11727 | } | |
11728 | ||
4c476991 JB |
11729 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
11730 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
11731 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
11732 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
11733 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
11734 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 11735 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 11736 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
11737 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
11738 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 11739 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 11740 | |
f84f771d | 11741 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
11742 | struct genl_info *info) |
11743 | { | |
11744 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 11745 | struct wireless_dev *wdev; |
4c476991 | 11746 | struct net_device *dev; |
4c476991 JB |
11747 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
11748 | ||
11749 | if (rtnl) | |
11750 | rtnl_lock(); | |
11751 | ||
11752 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 11753 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
11754 | if (IS_ERR(rdev)) { |
11755 | if (rtnl) | |
11756 | rtnl_unlock(); | |
11757 | return PTR_ERR(rdev); | |
11758 | } | |
11759 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
11760 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
11761 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
11762 | ASSERT_RTNL(); |
11763 | ||
89a54e48 JB |
11764 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
11765 | info->attrs); | |
11766 | if (IS_ERR(wdev)) { | |
4c476991 JB |
11767 | if (rtnl) |
11768 | rtnl_unlock(); | |
89a54e48 | 11769 | return PTR_ERR(wdev); |
4c476991 | 11770 | } |
89a54e48 | 11771 | |
89a54e48 | 11772 | dev = wdev->netdev; |
f26cbf40 | 11773 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 11774 | |
1bf614ef JB |
11775 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
11776 | if (!dev) { | |
1bf614ef JB |
11777 | if (rtnl) |
11778 | rtnl_unlock(); | |
11779 | return -EINVAL; | |
11780 | } | |
11781 | ||
11782 | info->user_ptr[1] = dev; | |
11783 | } else { | |
11784 | info->user_ptr[1] = wdev; | |
41265714 | 11785 | } |
1bf614ef JB |
11786 | |
11787 | if (dev) { | |
11788 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && | |
11789 | !netif_running(dev)) { | |
1bf614ef JB |
11790 | if (rtnl) |
11791 | rtnl_unlock(); | |
11792 | return -ENETDOWN; | |
11793 | } | |
11794 | ||
11795 | dev_hold(dev); | |
98104fde | 11796 | } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { |
cb3b7d87 AB |
11797 | if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE && |
11798 | !wdev->p2p_started) { | |
11799 | if (rtnl) | |
11800 | rtnl_unlock(); | |
11801 | return -ENETDOWN; | |
11802 | } | |
11803 | if (wdev->iftype == NL80211_IFTYPE_NAN && | |
11804 | !wdev->nan_started) { | |
98104fde JB |
11805 | if (rtnl) |
11806 | rtnl_unlock(); | |
11807 | return -ENETDOWN; | |
11808 | } | |
41265714 | 11809 | } |
89a54e48 | 11810 | |
4c476991 | 11811 | info->user_ptr[0] = rdev; |
4c476991 JB |
11812 | } |
11813 | ||
11814 | return 0; | |
11815 | } | |
11816 | ||
f84f771d | 11817 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
11818 | struct genl_info *info) |
11819 | { | |
1bf614ef JB |
11820 | if (info->user_ptr[1]) { |
11821 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
11822 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11823 | ||
11824 | if (wdev->netdev) | |
11825 | dev_put(wdev->netdev); | |
11826 | } else { | |
11827 | dev_put(info->user_ptr[1]); | |
11828 | } | |
11829 | } | |
5393b917 | 11830 | |
4c476991 JB |
11831 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
11832 | rtnl_unlock(); | |
5393b917 JB |
11833 | |
11834 | /* If needed, clear the netlink message payload from the SKB | |
11835 | * as it might contain key data that shouldn't stick around on | |
11836 | * the heap after the SKB is freed. The netlink message header | |
11837 | * is still needed for further processing, so leave it intact. | |
11838 | */ | |
11839 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
11840 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
11841 | ||
11842 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
11843 | } | |
4c476991 JB |
11844 | } |
11845 | ||
4534de83 | 11846 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
11847 | { |
11848 | .cmd = NL80211_CMD_GET_WIPHY, | |
11849 | .doit = nl80211_get_wiphy, | |
11850 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 11851 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
11852 | .policy = nl80211_policy, |
11853 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
11854 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11855 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11856 | }, |
11857 | { | |
11858 | .cmd = NL80211_CMD_SET_WIPHY, | |
11859 | .doit = nl80211_set_wiphy, | |
11860 | .policy = nl80211_policy, | |
5617c6cd | 11861 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 | 11862 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
11863 | }, |
11864 | { | |
11865 | .cmd = NL80211_CMD_GET_INTERFACE, | |
11866 | .doit = nl80211_get_interface, | |
11867 | .dumpit = nl80211_dump_interface, | |
11868 | .policy = nl80211_policy, | |
11869 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
11870 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
11871 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11872 | }, |
11873 | { | |
11874 | .cmd = NL80211_CMD_SET_INTERFACE, | |
11875 | .doit = nl80211_set_interface, | |
11876 | .policy = nl80211_policy, | |
5617c6cd | 11877 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11878 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11879 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11880 | }, |
11881 | { | |
11882 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
11883 | .doit = nl80211_new_interface, | |
11884 | .policy = nl80211_policy, | |
5617c6cd | 11885 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
11886 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
11887 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
11888 | }, |
11889 | { | |
11890 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
11891 | .doit = nl80211_del_interface, | |
11892 | .policy = nl80211_policy, | |
5617c6cd | 11893 | .flags = GENL_UNS_ADMIN_PERM, |
84efbb84 | 11894 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 11895 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
11896 | }, |
11897 | { | |
11898 | .cmd = NL80211_CMD_GET_KEY, | |
11899 | .doit = nl80211_get_key, | |
11900 | .policy = nl80211_policy, | |
5617c6cd | 11901 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11902 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11903 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
11904 | }, |
11905 | { | |
11906 | .cmd = NL80211_CMD_SET_KEY, | |
11907 | .doit = nl80211_set_key, | |
11908 | .policy = nl80211_policy, | |
5617c6cd | 11909 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11910 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
11911 | NL80211_FLAG_NEED_RTNL | |
11912 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
11913 | }, |
11914 | { | |
11915 | .cmd = NL80211_CMD_NEW_KEY, | |
11916 | .doit = nl80211_new_key, | |
11917 | .policy = nl80211_policy, | |
5617c6cd | 11918 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11919 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
11920 | NL80211_FLAG_NEED_RTNL | |
11921 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
11922 | }, |
11923 | { | |
11924 | .cmd = NL80211_CMD_DEL_KEY, | |
11925 | .doit = nl80211_del_key, | |
11926 | .policy = nl80211_policy, | |
5617c6cd | 11927 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11928 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11929 | NL80211_FLAG_NEED_RTNL, |
55682965 | 11930 | }, |
ed1b6cc7 JB |
11931 | { |
11932 | .cmd = NL80211_CMD_SET_BEACON, | |
11933 | .policy = nl80211_policy, | |
5617c6cd | 11934 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 11935 | .doit = nl80211_set_beacon, |
2b5f8b0b | 11936 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11937 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
11938 | }, |
11939 | { | |
8860020e | 11940 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 | 11941 | .policy = nl80211_policy, |
5617c6cd | 11942 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 11943 | .doit = nl80211_start_ap, |
2b5f8b0b | 11944 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11945 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
11946 | }, |
11947 | { | |
8860020e | 11948 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 | 11949 | .policy = nl80211_policy, |
5617c6cd | 11950 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 11951 | .doit = nl80211_stop_ap, |
2b5f8b0b | 11952 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11953 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 11954 | }, |
5727ef1b JB |
11955 | { |
11956 | .cmd = NL80211_CMD_GET_STATION, | |
11957 | .doit = nl80211_get_station, | |
2ec600d6 | 11958 | .dumpit = nl80211_dump_station, |
5727ef1b | 11959 | .policy = nl80211_policy, |
4c476991 JB |
11960 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
11961 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
11962 | }, |
11963 | { | |
11964 | .cmd = NL80211_CMD_SET_STATION, | |
11965 | .doit = nl80211_set_station, | |
11966 | .policy = nl80211_policy, | |
5617c6cd | 11967 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11968 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11969 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
11970 | }, |
11971 | { | |
11972 | .cmd = NL80211_CMD_NEW_STATION, | |
11973 | .doit = nl80211_new_station, | |
11974 | .policy = nl80211_policy, | |
5617c6cd | 11975 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11976 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11977 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
11978 | }, |
11979 | { | |
11980 | .cmd = NL80211_CMD_DEL_STATION, | |
11981 | .doit = nl80211_del_station, | |
11982 | .policy = nl80211_policy, | |
5617c6cd | 11983 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 11984 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11985 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
11986 | }, |
11987 | { | |
11988 | .cmd = NL80211_CMD_GET_MPATH, | |
11989 | .doit = nl80211_get_mpath, | |
11990 | .dumpit = nl80211_dump_mpath, | |
11991 | .policy = nl80211_policy, | |
5617c6cd | 11992 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 11993 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 11994 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 | 11995 | }, |
66be7d2b HR |
11996 | { |
11997 | .cmd = NL80211_CMD_GET_MPP, | |
11998 | .doit = nl80211_get_mpp, | |
11999 | .dumpit = nl80211_dump_mpp, | |
12000 | .policy = nl80211_policy, | |
5617c6cd | 12001 | .flags = GENL_UNS_ADMIN_PERM, |
66be7d2b HR |
12002 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12003 | NL80211_FLAG_NEED_RTNL, | |
12004 | }, | |
2ec600d6 LCC |
12005 | { |
12006 | .cmd = NL80211_CMD_SET_MPATH, | |
12007 | .doit = nl80211_set_mpath, | |
12008 | .policy = nl80211_policy, | |
5617c6cd | 12009 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12010 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12011 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12012 | }, |
12013 | { | |
12014 | .cmd = NL80211_CMD_NEW_MPATH, | |
12015 | .doit = nl80211_new_mpath, | |
12016 | .policy = nl80211_policy, | |
5617c6cd | 12017 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12018 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12019 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12020 | }, |
12021 | { | |
12022 | .cmd = NL80211_CMD_DEL_MPATH, | |
12023 | .doit = nl80211_del_mpath, | |
12024 | .policy = nl80211_policy, | |
5617c6cd | 12025 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12026 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12027 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
12028 | }, |
12029 | { | |
12030 | .cmd = NL80211_CMD_SET_BSS, | |
12031 | .doit = nl80211_set_bss, | |
12032 | .policy = nl80211_policy, | |
5617c6cd | 12033 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12034 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12035 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12036 | }, |
f130347c LR |
12037 | { |
12038 | .cmd = NL80211_CMD_GET_REG, | |
ad30ca2c AN |
12039 | .doit = nl80211_get_reg_do, |
12040 | .dumpit = nl80211_get_reg_dump, | |
f130347c | 12041 | .policy = nl80211_policy, |
5fe231e8 | 12042 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
12043 | /* can be retrieved by unprivileged users */ |
12044 | }, | |
b6863036 | 12045 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
b2e1b302 LR |
12046 | { |
12047 | .cmd = NL80211_CMD_SET_REG, | |
12048 | .doit = nl80211_set_reg, | |
12049 | .policy = nl80211_policy, | |
12050 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 12051 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12052 | }, |
b6863036 | 12053 | #endif |
b2e1b302 LR |
12054 | { |
12055 | .cmd = NL80211_CMD_REQ_SET_REG, | |
12056 | .doit = nl80211_req_set_reg, | |
12057 | .policy = nl80211_policy, | |
93da9cc1 | 12058 | .flags = GENL_ADMIN_PERM, |
12059 | }, | |
12060 | { | |
24bdd9f4 JC |
12061 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
12062 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 12063 | .policy = nl80211_policy, |
12064 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 12065 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12066 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 12067 | }, |
12068 | { | |
24bdd9f4 JC |
12069 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
12070 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 12071 | .policy = nl80211_policy, |
5617c6cd | 12072 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c | 12073 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12074 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 12075 | }, |
2a519311 JB |
12076 | { |
12077 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
12078 | .doit = nl80211_trigger_scan, | |
12079 | .policy = nl80211_policy, | |
5617c6cd | 12080 | .flags = GENL_UNS_ADMIN_PERM, |
fd014284 | 12081 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12082 | NL80211_FLAG_NEED_RTNL, |
2a519311 | 12083 | }, |
91d3ab46 VK |
12084 | { |
12085 | .cmd = NL80211_CMD_ABORT_SCAN, | |
12086 | .doit = nl80211_abort_scan, | |
12087 | .policy = nl80211_policy, | |
5617c6cd | 12088 | .flags = GENL_UNS_ADMIN_PERM, |
91d3ab46 VK |
12089 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12090 | NL80211_FLAG_NEED_RTNL, | |
12091 | }, | |
2a519311 JB |
12092 | { |
12093 | .cmd = NL80211_CMD_GET_SCAN, | |
12094 | .policy = nl80211_policy, | |
12095 | .dumpit = nl80211_dump_scan, | |
12096 | }, | |
807f8a8c LC |
12097 | { |
12098 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
12099 | .doit = nl80211_start_sched_scan, | |
12100 | .policy = nl80211_policy, | |
5617c6cd | 12101 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12102 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12103 | NL80211_FLAG_NEED_RTNL, | |
12104 | }, | |
12105 | { | |
12106 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
12107 | .doit = nl80211_stop_sched_scan, | |
12108 | .policy = nl80211_policy, | |
5617c6cd | 12109 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12110 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12111 | NL80211_FLAG_NEED_RTNL, | |
12112 | }, | |
636a5d36 JM |
12113 | { |
12114 | .cmd = NL80211_CMD_AUTHENTICATE, | |
12115 | .doit = nl80211_authenticate, | |
12116 | .policy = nl80211_policy, | |
5617c6cd | 12117 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12118 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12119 | NL80211_FLAG_NEED_RTNL | |
12120 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
12121 | }, |
12122 | { | |
12123 | .cmd = NL80211_CMD_ASSOCIATE, | |
12124 | .doit = nl80211_associate, | |
12125 | .policy = nl80211_policy, | |
5617c6cd | 12126 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12127 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12128 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12129 | }, |
12130 | { | |
12131 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
12132 | .doit = nl80211_deauthenticate, | |
12133 | .policy = nl80211_policy, | |
5617c6cd | 12134 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12135 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12136 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12137 | }, |
12138 | { | |
12139 | .cmd = NL80211_CMD_DISASSOCIATE, | |
12140 | .doit = nl80211_disassociate, | |
12141 | .policy = nl80211_policy, | |
5617c6cd | 12142 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12143 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12144 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 12145 | }, |
04a773ad JB |
12146 | { |
12147 | .cmd = NL80211_CMD_JOIN_IBSS, | |
12148 | .doit = nl80211_join_ibss, | |
12149 | .policy = nl80211_policy, | |
5617c6cd | 12150 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12151 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12152 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
12153 | }, |
12154 | { | |
12155 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
12156 | .doit = nl80211_leave_ibss, | |
12157 | .policy = nl80211_policy, | |
5617c6cd | 12158 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12159 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12160 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 12161 | }, |
aff89a9b JB |
12162 | #ifdef CONFIG_NL80211_TESTMODE |
12163 | { | |
12164 | .cmd = NL80211_CMD_TESTMODE, | |
12165 | .doit = nl80211_testmode_do, | |
71063f0e | 12166 | .dumpit = nl80211_testmode_dump, |
aff89a9b | 12167 | .policy = nl80211_policy, |
5617c6cd | 12168 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12169 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12170 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
12171 | }, |
12172 | #endif | |
b23aa676 SO |
12173 | { |
12174 | .cmd = NL80211_CMD_CONNECT, | |
12175 | .doit = nl80211_connect, | |
12176 | .policy = nl80211_policy, | |
5617c6cd | 12177 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12178 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12179 | NL80211_FLAG_NEED_RTNL, |
b23aa676 SO |
12180 | }, |
12181 | { | |
12182 | .cmd = NL80211_CMD_DISCONNECT, | |
12183 | .doit = nl80211_disconnect, | |
12184 | .policy = nl80211_policy, | |
5617c6cd | 12185 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12186 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12187 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 12188 | }, |
463d0183 JB |
12189 | { |
12190 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
12191 | .doit = nl80211_wiphy_netns, | |
12192 | .policy = nl80211_policy, | |
5617c6cd | 12193 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12194 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12195 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 12196 | }, |
61fa713c HS |
12197 | { |
12198 | .cmd = NL80211_CMD_GET_SURVEY, | |
12199 | .policy = nl80211_policy, | |
12200 | .dumpit = nl80211_dump_survey, | |
12201 | }, | |
67fbb16b SO |
12202 | { |
12203 | .cmd = NL80211_CMD_SET_PMKSA, | |
12204 | .doit = nl80211_setdel_pmksa, | |
12205 | .policy = nl80211_policy, | |
5617c6cd | 12206 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12207 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12208 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12209 | }, |
12210 | { | |
12211 | .cmd = NL80211_CMD_DEL_PMKSA, | |
12212 | .doit = nl80211_setdel_pmksa, | |
12213 | .policy = nl80211_policy, | |
5617c6cd | 12214 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12215 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12216 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12217 | }, |
12218 | { | |
12219 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
12220 | .doit = nl80211_flush_pmksa, | |
12221 | .policy = nl80211_policy, | |
5617c6cd | 12222 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12223 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12224 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 12225 | }, |
9588bbd5 JM |
12226 | { |
12227 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
12228 | .doit = nl80211_remain_on_channel, | |
12229 | .policy = nl80211_policy, | |
5617c6cd | 12230 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12231 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12232 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
12233 | }, |
12234 | { | |
12235 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
12236 | .doit = nl80211_cancel_remain_on_channel, | |
12237 | .policy = nl80211_policy, | |
5617c6cd | 12238 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12239 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12240 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 12241 | }, |
13ae75b1 JM |
12242 | { |
12243 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
12244 | .doit = nl80211_set_tx_bitrate_mask, | |
12245 | .policy = nl80211_policy, | |
5617c6cd | 12246 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12247 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12248 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 12249 | }, |
026331c4 | 12250 | { |
2e161f78 JB |
12251 | .cmd = NL80211_CMD_REGISTER_FRAME, |
12252 | .doit = nl80211_register_mgmt, | |
026331c4 | 12253 | .policy = nl80211_policy, |
5617c6cd | 12254 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12255 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 12256 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
12257 | }, |
12258 | { | |
2e161f78 JB |
12259 | .cmd = NL80211_CMD_FRAME, |
12260 | .doit = nl80211_tx_mgmt, | |
026331c4 | 12261 | .policy = nl80211_policy, |
5617c6cd | 12262 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12263 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
12264 | NL80211_FLAG_NEED_RTNL, |
12265 | }, | |
12266 | { | |
12267 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
12268 | .doit = nl80211_tx_mgmt_cancel_wait, | |
12269 | .policy = nl80211_policy, | |
5617c6cd | 12270 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12271 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12272 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 12273 | }, |
ffb9eb3d KV |
12274 | { |
12275 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
12276 | .doit = nl80211_set_power_save, | |
12277 | .policy = nl80211_policy, | |
5617c6cd | 12278 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12279 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12280 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
12281 | }, |
12282 | { | |
12283 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
12284 | .doit = nl80211_get_power_save, | |
12285 | .policy = nl80211_policy, | |
12286 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
12287 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12288 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 12289 | }, |
d6dc1a38 JO |
12290 | { |
12291 | .cmd = NL80211_CMD_SET_CQM, | |
12292 | .doit = nl80211_set_cqm, | |
12293 | .policy = nl80211_policy, | |
5617c6cd | 12294 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12295 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12296 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 12297 | }, |
f444de05 JB |
12298 | { |
12299 | .cmd = NL80211_CMD_SET_CHANNEL, | |
12300 | .doit = nl80211_set_channel, | |
12301 | .policy = nl80211_policy, | |
5617c6cd | 12302 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12303 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12304 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 12305 | }, |
e8347eba BJ |
12306 | { |
12307 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
12308 | .doit = nl80211_set_wds_peer, | |
12309 | .policy = nl80211_policy, | |
5617c6cd | 12310 | .flags = GENL_UNS_ADMIN_PERM, |
43b19952 JB |
12311 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12312 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 12313 | }, |
29cbe68c JB |
12314 | { |
12315 | .cmd = NL80211_CMD_JOIN_MESH, | |
12316 | .doit = nl80211_join_mesh, | |
12317 | .policy = nl80211_policy, | |
5617c6cd | 12318 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12319 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12320 | NL80211_FLAG_NEED_RTNL, | |
12321 | }, | |
12322 | { | |
12323 | .cmd = NL80211_CMD_LEAVE_MESH, | |
12324 | .doit = nl80211_leave_mesh, | |
12325 | .policy = nl80211_policy, | |
5617c6cd | 12326 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12327 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12328 | NL80211_FLAG_NEED_RTNL, | |
12329 | }, | |
6e0bd6c3 RL |
12330 | { |
12331 | .cmd = NL80211_CMD_JOIN_OCB, | |
12332 | .doit = nl80211_join_ocb, | |
12333 | .policy = nl80211_policy, | |
5617c6cd | 12334 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12335 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12336 | NL80211_FLAG_NEED_RTNL, | |
12337 | }, | |
12338 | { | |
12339 | .cmd = NL80211_CMD_LEAVE_OCB, | |
12340 | .doit = nl80211_leave_ocb, | |
12341 | .policy = nl80211_policy, | |
5617c6cd | 12342 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12343 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12344 | NL80211_FLAG_NEED_RTNL, | |
12345 | }, | |
dfb89c56 | 12346 | #ifdef CONFIG_PM |
ff1b6e69 JB |
12347 | { |
12348 | .cmd = NL80211_CMD_GET_WOWLAN, | |
12349 | .doit = nl80211_get_wowlan, | |
12350 | .policy = nl80211_policy, | |
12351 | /* can be retrieved by unprivileged users */ | |
12352 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
12353 | NL80211_FLAG_NEED_RTNL, | |
12354 | }, | |
12355 | { | |
12356 | .cmd = NL80211_CMD_SET_WOWLAN, | |
12357 | .doit = nl80211_set_wowlan, | |
12358 | .policy = nl80211_policy, | |
5617c6cd | 12359 | .flags = GENL_UNS_ADMIN_PERM, |
ff1b6e69 JB |
12360 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12361 | NL80211_FLAG_NEED_RTNL, | |
12362 | }, | |
dfb89c56 | 12363 | #endif |
e5497d76 JB |
12364 | { |
12365 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
12366 | .doit = nl80211_set_rekey_data, | |
12367 | .policy = nl80211_policy, | |
5617c6cd | 12368 | .flags = GENL_UNS_ADMIN_PERM, |
e5497d76 | 12369 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12370 | NL80211_FLAG_NEED_RTNL | |
12371 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 12372 | }, |
109086ce AN |
12373 | { |
12374 | .cmd = NL80211_CMD_TDLS_MGMT, | |
12375 | .doit = nl80211_tdls_mgmt, | |
12376 | .policy = nl80211_policy, | |
5617c6cd | 12377 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
12378 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12379 | NL80211_FLAG_NEED_RTNL, | |
12380 | }, | |
12381 | { | |
12382 | .cmd = NL80211_CMD_TDLS_OPER, | |
12383 | .doit = nl80211_tdls_oper, | |
12384 | .policy = nl80211_policy, | |
5617c6cd | 12385 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
12386 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12387 | NL80211_FLAG_NEED_RTNL, | |
12388 | }, | |
28946da7 JB |
12389 | { |
12390 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
12391 | .doit = nl80211_register_unexpected_frame, | |
12392 | .policy = nl80211_policy, | |
5617c6cd | 12393 | .flags = GENL_UNS_ADMIN_PERM, |
28946da7 JB |
12394 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12395 | NL80211_FLAG_NEED_RTNL, | |
12396 | }, | |
7f6cf311 JB |
12397 | { |
12398 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
12399 | .doit = nl80211_probe_client, | |
12400 | .policy = nl80211_policy, | |
5617c6cd | 12401 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12402 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
12403 | NL80211_FLAG_NEED_RTNL, |
12404 | }, | |
5e760230 JB |
12405 | { |
12406 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
12407 | .doit = nl80211_register_beacons, | |
12408 | .policy = nl80211_policy, | |
5617c6cd | 12409 | .flags = GENL_UNS_ADMIN_PERM, |
5e760230 JB |
12410 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12411 | NL80211_FLAG_NEED_RTNL, | |
12412 | }, | |
1d9d9213 SW |
12413 | { |
12414 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
12415 | .doit = nl80211_set_noack_map, | |
12416 | .policy = nl80211_policy, | |
5617c6cd | 12417 | .flags = GENL_UNS_ADMIN_PERM, |
1d9d9213 SW |
12418 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12419 | NL80211_FLAG_NEED_RTNL, | |
12420 | }, | |
98104fde JB |
12421 | { |
12422 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
12423 | .doit = nl80211_start_p2p_device, | |
12424 | .policy = nl80211_policy, | |
5617c6cd | 12425 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
12426 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
12427 | NL80211_FLAG_NEED_RTNL, | |
12428 | }, | |
12429 | { | |
12430 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
12431 | .doit = nl80211_stop_p2p_device, | |
12432 | .policy = nl80211_policy, | |
5617c6cd | 12433 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
12434 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12435 | NL80211_FLAG_NEED_RTNL, | |
cb3b7d87 AB |
12436 | }, |
12437 | { | |
12438 | .cmd = NL80211_CMD_START_NAN, | |
12439 | .doit = nl80211_start_nan, | |
12440 | .policy = nl80211_policy, | |
12441 | .flags = GENL_ADMIN_PERM, | |
12442 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
12443 | NL80211_FLAG_NEED_RTNL, | |
12444 | }, | |
12445 | { | |
12446 | .cmd = NL80211_CMD_STOP_NAN, | |
12447 | .doit = nl80211_stop_nan, | |
12448 | .policy = nl80211_policy, | |
12449 | .flags = GENL_ADMIN_PERM, | |
12450 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12451 | NL80211_FLAG_NEED_RTNL, | |
a442b761 AB |
12452 | }, |
12453 | { | |
12454 | .cmd = NL80211_CMD_ADD_NAN_FUNCTION, | |
12455 | .doit = nl80211_nan_add_func, | |
12456 | .policy = nl80211_policy, | |
12457 | .flags = GENL_ADMIN_PERM, | |
12458 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12459 | NL80211_FLAG_NEED_RTNL, | |
12460 | }, | |
12461 | { | |
12462 | .cmd = NL80211_CMD_DEL_NAN_FUNCTION, | |
12463 | .doit = nl80211_nan_del_func, | |
12464 | .policy = nl80211_policy, | |
12465 | .flags = GENL_ADMIN_PERM, | |
12466 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12467 | NL80211_FLAG_NEED_RTNL, | |
a5a9dcf2 AB |
12468 | }, |
12469 | { | |
12470 | .cmd = NL80211_CMD_CHANGE_NAN_CONFIG, | |
12471 | .doit = nl80211_nan_change_config, | |
12472 | .policy = nl80211_policy, | |
12473 | .flags = GENL_ADMIN_PERM, | |
12474 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12475 | NL80211_FLAG_NEED_RTNL, | |
98104fde | 12476 | }, |
f4e583c8 AQ |
12477 | { |
12478 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
12479 | .doit = nl80211_set_mcast_rate, | |
77765eaf | 12480 | .policy = nl80211_policy, |
5617c6cd | 12481 | .flags = GENL_UNS_ADMIN_PERM, |
77765eaf VT |
12482 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12483 | NL80211_FLAG_NEED_RTNL, | |
12484 | }, | |
12485 | { | |
12486 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
12487 | .doit = nl80211_set_mac_acl, | |
f4e583c8 | 12488 | .policy = nl80211_policy, |
5617c6cd | 12489 | .flags = GENL_UNS_ADMIN_PERM, |
f4e583c8 AQ |
12490 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12491 | NL80211_FLAG_NEED_RTNL, | |
12492 | }, | |
04f39047 SW |
12493 | { |
12494 | .cmd = NL80211_CMD_RADAR_DETECT, | |
12495 | .doit = nl80211_start_radar_detection, | |
12496 | .policy = nl80211_policy, | |
5617c6cd | 12497 | .flags = GENL_UNS_ADMIN_PERM, |
04f39047 SW |
12498 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12499 | NL80211_FLAG_NEED_RTNL, | |
12500 | }, | |
3713b4e3 JB |
12501 | { |
12502 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
12503 | .doit = nl80211_get_protocol_features, | |
12504 | .policy = nl80211_policy, | |
12505 | }, | |
355199e0 JM |
12506 | { |
12507 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
12508 | .doit = nl80211_update_ft_ies, | |
12509 | .policy = nl80211_policy, | |
5617c6cd | 12510 | .flags = GENL_UNS_ADMIN_PERM, |
355199e0 JM |
12511 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12512 | NL80211_FLAG_NEED_RTNL, | |
12513 | }, | |
5de17984 AS |
12514 | { |
12515 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
12516 | .doit = nl80211_crit_protocol_start, | |
12517 | .policy = nl80211_policy, | |
5617c6cd | 12518 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
12519 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12520 | NL80211_FLAG_NEED_RTNL, | |
12521 | }, | |
12522 | { | |
12523 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
12524 | .doit = nl80211_crit_protocol_stop, | |
12525 | .policy = nl80211_policy, | |
5617c6cd | 12526 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
12527 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12528 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
12529 | }, |
12530 | { | |
12531 | .cmd = NL80211_CMD_GET_COALESCE, | |
12532 | .doit = nl80211_get_coalesce, | |
12533 | .policy = nl80211_policy, | |
12534 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
12535 | NL80211_FLAG_NEED_RTNL, | |
12536 | }, | |
12537 | { | |
12538 | .cmd = NL80211_CMD_SET_COALESCE, | |
12539 | .doit = nl80211_set_coalesce, | |
12540 | .policy = nl80211_policy, | |
5617c6cd | 12541 | .flags = GENL_UNS_ADMIN_PERM, |
be29b99a AK |
12542 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12543 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
12544 | }, |
12545 | { | |
12546 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
12547 | .doit = nl80211_channel_switch, | |
12548 | .policy = nl80211_policy, | |
5617c6cd | 12549 | .flags = GENL_UNS_ADMIN_PERM, |
16ef1fe2 SW |
12550 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12551 | NL80211_FLAG_NEED_RTNL, | |
12552 | }, | |
ad7e718c JB |
12553 | { |
12554 | .cmd = NL80211_CMD_VENDOR, | |
12555 | .doit = nl80211_vendor_cmd, | |
7bdbe400 | 12556 | .dumpit = nl80211_vendor_cmd_dump, |
ad7e718c | 12557 | .policy = nl80211_policy, |
5617c6cd | 12558 | .flags = GENL_UNS_ADMIN_PERM, |
ad7e718c JB |
12559 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12560 | NL80211_FLAG_NEED_RTNL, | |
12561 | }, | |
fa9ffc74 KP |
12562 | { |
12563 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
12564 | .doit = nl80211_set_qos_map, | |
12565 | .policy = nl80211_policy, | |
5617c6cd | 12566 | .flags = GENL_UNS_ADMIN_PERM, |
fa9ffc74 KP |
12567 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12568 | NL80211_FLAG_NEED_RTNL, | |
12569 | }, | |
960d01ac JB |
12570 | { |
12571 | .cmd = NL80211_CMD_ADD_TX_TS, | |
12572 | .doit = nl80211_add_tx_ts, | |
12573 | .policy = nl80211_policy, | |
5617c6cd | 12574 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
12575 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12576 | NL80211_FLAG_NEED_RTNL, | |
12577 | }, | |
12578 | { | |
12579 | .cmd = NL80211_CMD_DEL_TX_TS, | |
12580 | .doit = nl80211_del_tx_ts, | |
12581 | .policy = nl80211_policy, | |
5617c6cd | 12582 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
12583 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12584 | NL80211_FLAG_NEED_RTNL, | |
12585 | }, | |
1057d35e AN |
12586 | { |
12587 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
12588 | .doit = nl80211_tdls_channel_switch, | |
12589 | .policy = nl80211_policy, | |
5617c6cd | 12590 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
12591 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12592 | NL80211_FLAG_NEED_RTNL, | |
12593 | }, | |
12594 | { | |
12595 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
12596 | .doit = nl80211_tdls_cancel_channel_switch, | |
12597 | .policy = nl80211_policy, | |
5617c6cd | 12598 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
12599 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12600 | NL80211_FLAG_NEED_RTNL, | |
12601 | }, | |
55682965 | 12602 | }; |
9588bbd5 | 12603 | |
55682965 JB |
12604 | /* notification functions */ |
12605 | ||
3bb20556 JB |
12606 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
12607 | enum nl80211_commands cmd) | |
55682965 JB |
12608 | { |
12609 | struct sk_buff *msg; | |
86e8cf98 | 12610 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 12611 | |
3bb20556 JB |
12612 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
12613 | cmd != NL80211_CMD_DEL_WIPHY); | |
12614 | ||
fd2120ca | 12615 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
12616 | if (!msg) |
12617 | return; | |
12618 | ||
3bb20556 | 12619 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
12620 | nlmsg_free(msg); |
12621 | return; | |
12622 | } | |
12623 | ||
68eb5503 | 12624 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12625 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
12626 | } |
12627 | ||
896ff063 DK |
12628 | void nl80211_notify_iface(struct cfg80211_registered_device *rdev, |
12629 | struct wireless_dev *wdev, | |
12630 | enum nl80211_commands cmd) | |
12631 | { | |
12632 | struct sk_buff *msg; | |
12633 | ||
12634 | WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE && | |
12635 | cmd != NL80211_CMD_DEL_INTERFACE); | |
12636 | ||
12637 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12638 | if (!msg) | |
12639 | return; | |
12640 | ||
12641 | if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, | |
12642 | cmd == NL80211_CMD_DEL_INTERFACE) < 0) { | |
12643 | nlmsg_free(msg); | |
12644 | return; | |
12645 | } | |
12646 | ||
12647 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
12648 | NL80211_MCGRP_CONFIG, GFP_KERNEL); | |
12649 | } | |
12650 | ||
362a415d JB |
12651 | static int nl80211_add_scan_req(struct sk_buff *msg, |
12652 | struct cfg80211_registered_device *rdev) | |
12653 | { | |
12654 | struct cfg80211_scan_request *req = rdev->scan_req; | |
12655 | struct nlattr *nest; | |
12656 | int i; | |
12657 | ||
12658 | if (WARN_ON(!req)) | |
12659 | return 0; | |
12660 | ||
12661 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
12662 | if (!nest) | |
12663 | goto nla_put_failure; | |
9360ffd1 DM |
12664 | for (i = 0; i < req->n_ssids; i++) { |
12665 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
12666 | goto nla_put_failure; | |
12667 | } | |
362a415d JB |
12668 | nla_nest_end(msg, nest); |
12669 | ||
12670 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
12671 | if (!nest) | |
12672 | goto nla_put_failure; | |
9360ffd1 DM |
12673 | for (i = 0; i < req->n_channels; i++) { |
12674 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
12675 | goto nla_put_failure; | |
12676 | } | |
362a415d JB |
12677 | nla_nest_end(msg, nest); |
12678 | ||
9360ffd1 DM |
12679 | if (req->ie && |
12680 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
12681 | goto nla_put_failure; | |
362a415d | 12682 | |
ae917c9f JB |
12683 | if (req->flags && |
12684 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
12685 | goto nla_put_failure; | |
ed473771 | 12686 | |
1d76250b AS |
12687 | if (req->info.scan_start_tsf && |
12688 | (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF, | |
12689 | req->info.scan_start_tsf, NL80211_BSS_PAD) || | |
12690 | nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN, | |
12691 | req->info.tsf_bssid))) | |
12692 | goto nla_put_failure; | |
12693 | ||
362a415d JB |
12694 | return 0; |
12695 | nla_put_failure: | |
12696 | return -ENOBUFS; | |
12697 | } | |
12698 | ||
a538e2d5 JB |
12699 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
12700 | struct cfg80211_registered_device *rdev, | |
fd014284 | 12701 | struct wireless_dev *wdev, |
15e47304 | 12702 | u32 portid, u32 seq, int flags, |
a538e2d5 | 12703 | u32 cmd) |
2a519311 JB |
12704 | { |
12705 | void *hdr; | |
12706 | ||
15e47304 | 12707 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
12708 | if (!hdr) |
12709 | return -1; | |
12710 | ||
9360ffd1 | 12711 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
12712 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
12713 | wdev->netdev->ifindex)) || | |
2dad624e ND |
12714 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
12715 | NL80211_ATTR_PAD)) | |
9360ffd1 | 12716 | goto nla_put_failure; |
2a519311 | 12717 | |
362a415d JB |
12718 | /* ignore errors and send incomplete event anyway */ |
12719 | nl80211_add_scan_req(msg, rdev); | |
2a519311 | 12720 | |
053c095a JB |
12721 | genlmsg_end(msg, hdr); |
12722 | return 0; | |
2a519311 JB |
12723 | |
12724 | nla_put_failure: | |
12725 | genlmsg_cancel(msg, hdr); | |
12726 | return -EMSGSIZE; | |
12727 | } | |
12728 | ||
807f8a8c LC |
12729 | static int |
12730 | nl80211_send_sched_scan_msg(struct sk_buff *msg, | |
12731 | struct cfg80211_registered_device *rdev, | |
12732 | struct net_device *netdev, | |
15e47304 | 12733 | u32 portid, u32 seq, int flags, u32 cmd) |
807f8a8c LC |
12734 | { |
12735 | void *hdr; | |
12736 | ||
15e47304 | 12737 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
807f8a8c LC |
12738 | if (!hdr) |
12739 | return -1; | |
12740 | ||
9360ffd1 DM |
12741 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12742 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
12743 | goto nla_put_failure; | |
807f8a8c | 12744 | |
053c095a JB |
12745 | genlmsg_end(msg, hdr); |
12746 | return 0; | |
807f8a8c LC |
12747 | |
12748 | nla_put_failure: | |
12749 | genlmsg_cancel(msg, hdr); | |
12750 | return -EMSGSIZE; | |
12751 | } | |
12752 | ||
a538e2d5 | 12753 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 12754 | struct wireless_dev *wdev) |
a538e2d5 JB |
12755 | { |
12756 | struct sk_buff *msg; | |
12757 | ||
58050fce | 12758 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
12759 | if (!msg) |
12760 | return; | |
12761 | ||
fd014284 | 12762 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
12763 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
12764 | nlmsg_free(msg); | |
12765 | return; | |
12766 | } | |
12767 | ||
68eb5503 | 12768 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12769 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
12770 | } |
12771 | ||
f9d15d16 JB |
12772 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
12773 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
12774 | { |
12775 | struct sk_buff *msg; | |
12776 | ||
fd2120ca | 12777 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 12778 | if (!msg) |
f9d15d16 | 12779 | return NULL; |
2a519311 | 12780 | |
fd014284 | 12781 | if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
12782 | aborted ? NL80211_CMD_SCAN_ABORTED : |
12783 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 12784 | nlmsg_free(msg); |
f9d15d16 | 12785 | return NULL; |
2a519311 JB |
12786 | } |
12787 | ||
f9d15d16 | 12788 | return msg; |
2a519311 JB |
12789 | } |
12790 | ||
f9d15d16 JB |
12791 | void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, |
12792 | struct sk_buff *msg) | |
2a519311 | 12793 | { |
2a519311 JB |
12794 | if (!msg) |
12795 | return; | |
12796 | ||
68eb5503 | 12797 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12798 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
2a519311 JB |
12799 | } |
12800 | ||
807f8a8c LC |
12801 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
12802 | struct net_device *netdev) | |
12803 | { | |
12804 | struct sk_buff *msg; | |
12805 | ||
12806 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12807 | if (!msg) | |
12808 | return; | |
12809 | ||
12810 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, | |
12811 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { | |
12812 | nlmsg_free(msg); | |
12813 | return; | |
12814 | } | |
12815 | ||
68eb5503 | 12816 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12817 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
12818 | } |
12819 | ||
12820 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, | |
12821 | struct net_device *netdev, u32 cmd) | |
12822 | { | |
12823 | struct sk_buff *msg; | |
12824 | ||
58050fce | 12825 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
12826 | if (!msg) |
12827 | return; | |
12828 | ||
12829 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { | |
12830 | nlmsg_free(msg); | |
12831 | return; | |
12832 | } | |
12833 | ||
68eb5503 | 12834 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12835 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
12836 | } |
12837 | ||
b0d7aa59 JD |
12838 | static bool nl80211_reg_change_event_fill(struct sk_buff *msg, |
12839 | struct regulatory_request *request) | |
73d54c9e | 12840 | { |
73d54c9e | 12841 | /* Userspace can always count this one always being set */ |
9360ffd1 DM |
12842 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
12843 | goto nla_put_failure; | |
12844 | ||
12845 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
12846 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12847 | NL80211_REGDOM_TYPE_WORLD)) | |
12848 | goto nla_put_failure; | |
12849 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
12850 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12851 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
12852 | goto nla_put_failure; | |
12853 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
12854 | request->intersect) { | |
12855 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12856 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
12857 | goto nla_put_failure; | |
12858 | } else { | |
12859 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
12860 | NL80211_REGDOM_TYPE_COUNTRY) || | |
12861 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
12862 | request->alpha2)) | |
12863 | goto nla_put_failure; | |
12864 | } | |
12865 | ||
ad30ca2c AN |
12866 | if (request->wiphy_idx != WIPHY_IDX_INVALID) { |
12867 | struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx); | |
12868 | ||
12869 | if (wiphy && | |
12870 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) | |
12871 | goto nla_put_failure; | |
1bdd716c AN |
12872 | |
12873 | if (wiphy && | |
12874 | wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && | |
12875 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
12876 | goto nla_put_failure; | |
ad30ca2c | 12877 | } |
73d54c9e | 12878 | |
b0d7aa59 JD |
12879 | return true; |
12880 | ||
12881 | nla_put_failure: | |
12882 | return false; | |
12883 | } | |
12884 | ||
12885 | /* | |
12886 | * This can happen on global regulatory changes or device specific settings | |
12887 | * based on custom regulatory domains. | |
12888 | */ | |
12889 | void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, | |
12890 | struct regulatory_request *request) | |
12891 | { | |
12892 | struct sk_buff *msg; | |
12893 | void *hdr; | |
12894 | ||
12895 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12896 | if (!msg) | |
12897 | return; | |
12898 | ||
12899 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id); | |
12900 | if (!hdr) { | |
12901 | nlmsg_free(msg); | |
12902 | return; | |
12903 | } | |
12904 | ||
12905 | if (nl80211_reg_change_event_fill(msg, request) == false) | |
12906 | goto nla_put_failure; | |
12907 | ||
3b7b72ee | 12908 | genlmsg_end(msg, hdr); |
73d54c9e | 12909 | |
bc43b28c | 12910 | rcu_read_lock(); |
68eb5503 | 12911 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 12912 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 12913 | rcu_read_unlock(); |
73d54c9e LR |
12914 | |
12915 | return; | |
12916 | ||
12917 | nla_put_failure: | |
12918 | genlmsg_cancel(msg, hdr); | |
12919 | nlmsg_free(msg); | |
12920 | } | |
12921 | ||
6039f6d2 JM |
12922 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
12923 | struct net_device *netdev, | |
12924 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
12925 | enum nl80211_commands cmd, gfp_t gfp, |
12926 | int uapsd_queues) | |
6039f6d2 JM |
12927 | { |
12928 | struct sk_buff *msg; | |
12929 | void *hdr; | |
12930 | ||
e6d6e342 | 12931 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
6039f6d2 JM |
12932 | if (!msg) |
12933 | return; | |
12934 | ||
12935 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
12936 | if (!hdr) { | |
12937 | nlmsg_free(msg); | |
12938 | return; | |
12939 | } | |
12940 | ||
9360ffd1 DM |
12941 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
12942 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
12943 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
12944 | goto nla_put_failure; | |
6039f6d2 | 12945 | |
b0b6aa2c EP |
12946 | if (uapsd_queues >= 0) { |
12947 | struct nlattr *nla_wmm = | |
12948 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
12949 | if (!nla_wmm) | |
12950 | goto nla_put_failure; | |
12951 | ||
12952 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
12953 | uapsd_queues)) | |
12954 | goto nla_put_failure; | |
12955 | ||
12956 | nla_nest_end(msg, nla_wmm); | |
12957 | } | |
12958 | ||
3b7b72ee | 12959 | genlmsg_end(msg, hdr); |
6039f6d2 | 12960 | |
68eb5503 | 12961 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 12962 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
12963 | return; |
12964 | ||
12965 | nla_put_failure: | |
12966 | genlmsg_cancel(msg, hdr); | |
12967 | nlmsg_free(msg); | |
12968 | } | |
12969 | ||
12970 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
12971 | struct net_device *netdev, const u8 *buf, |
12972 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
12973 | { |
12974 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 12975 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
12976 | } |
12977 | ||
12978 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
12979 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 12980 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 12981 | { |
e6d6e342 | 12982 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 12983 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
12984 | } |
12985 | ||
53b46b84 | 12986 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
12987 | struct net_device *netdev, const u8 *buf, |
12988 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
12989 | { |
12990 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 12991 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
12992 | } |
12993 | ||
53b46b84 JM |
12994 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
12995 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 12996 | size_t len, gfp_t gfp) |
6039f6d2 JM |
12997 | { |
12998 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 12999 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
13000 | } |
13001 | ||
6ff57cf8 JB |
13002 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
13003 | size_t len) | |
cf4e594e | 13004 | { |
947add36 JB |
13005 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13006 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13007 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
13008 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
13009 | u32 cmd; | |
947add36 | 13010 | |
6ff57cf8 JB |
13011 | if (WARN_ON(len < 2)) |
13012 | return; | |
cf4e594e | 13013 | |
6ff57cf8 JB |
13014 | if (ieee80211_is_deauth(mgmt->frame_control)) |
13015 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
13016 | else | |
13017 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 13018 | |
6ff57cf8 | 13019 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 13020 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 13021 | } |
6ff57cf8 | 13022 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 13023 | |
1b06bb40 LR |
13024 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
13025 | struct net_device *netdev, int cmd, | |
e6d6e342 | 13026 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
13027 | { |
13028 | struct sk_buff *msg; | |
13029 | void *hdr; | |
13030 | ||
e6d6e342 | 13031 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
13032 | if (!msg) |
13033 | return; | |
13034 | ||
13035 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13036 | if (!hdr) { | |
13037 | nlmsg_free(msg); | |
13038 | return; | |
13039 | } | |
13040 | ||
9360ffd1 DM |
13041 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13042 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13043 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
13044 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
13045 | goto nla_put_failure; | |
1965c853 | 13046 | |
3b7b72ee | 13047 | genlmsg_end(msg, hdr); |
1965c853 | 13048 | |
68eb5503 | 13049 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13050 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
13051 | return; |
13052 | ||
13053 | nla_put_failure: | |
13054 | genlmsg_cancel(msg, hdr); | |
13055 | nlmsg_free(msg); | |
13056 | } | |
13057 | ||
13058 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13059 | struct net_device *netdev, const u8 *addr, |
13060 | gfp_t gfp) | |
1965c853 JM |
13061 | { |
13062 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 13063 | addr, gfp); |
1965c853 JM |
13064 | } |
13065 | ||
13066 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13067 | struct net_device *netdev, const u8 *addr, |
13068 | gfp_t gfp) | |
1965c853 | 13069 | { |
e6d6e342 JB |
13070 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
13071 | addr, gfp); | |
1965c853 JM |
13072 | } |
13073 | ||
b23aa676 SO |
13074 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
13075 | struct net_device *netdev, const u8 *bssid, | |
13076 | const u8 *req_ie, size_t req_ie_len, | |
13077 | const u8 *resp_ie, size_t resp_ie_len, | |
bf1ecd21 | 13078 | int status, gfp_t gfp) |
b23aa676 SO |
13079 | { |
13080 | struct sk_buff *msg; | |
13081 | void *hdr; | |
13082 | ||
58050fce | 13083 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
13084 | if (!msg) |
13085 | return; | |
13086 | ||
13087 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
13088 | if (!hdr) { | |
13089 | nlmsg_free(msg); | |
13090 | return; | |
13091 | } | |
13092 | ||
9360ffd1 DM |
13093 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13094 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13095 | (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) || | |
bf1ecd21 JM |
13096 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, |
13097 | status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE : | |
13098 | status) || | |
13099 | (status < 0 && nla_put_flag(msg, NL80211_ATTR_TIMED_OUT)) || | |
9360ffd1 DM |
13100 | (req_ie && |
13101 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
13102 | (resp_ie && | |
13103 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
13104 | goto nla_put_failure; | |
b23aa676 | 13105 | |
3b7b72ee | 13106 | genlmsg_end(msg, hdr); |
b23aa676 | 13107 | |
68eb5503 | 13108 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13109 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13110 | return; |
13111 | ||
13112 | nla_put_failure: | |
13113 | genlmsg_cancel(msg, hdr); | |
13114 | nlmsg_free(msg); | |
b23aa676 SO |
13115 | } |
13116 | ||
13117 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
13118 | struct net_device *netdev, const u8 *bssid, | |
13119 | const u8 *req_ie, size_t req_ie_len, | |
13120 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
13121 | { | |
13122 | struct sk_buff *msg; | |
13123 | void *hdr; | |
13124 | ||
58050fce | 13125 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
b23aa676 SO |
13126 | if (!msg) |
13127 | return; | |
13128 | ||
13129 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
13130 | if (!hdr) { | |
13131 | nlmsg_free(msg); | |
13132 | return; | |
13133 | } | |
13134 | ||
9360ffd1 DM |
13135 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13136 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13137 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
13138 | (req_ie && | |
13139 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) || | |
13140 | (resp_ie && | |
13141 | nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie))) | |
13142 | goto nla_put_failure; | |
b23aa676 | 13143 | |
3b7b72ee | 13144 | genlmsg_end(msg, hdr); |
b23aa676 | 13145 | |
68eb5503 | 13146 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13147 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13148 | return; |
13149 | ||
13150 | nla_put_failure: | |
13151 | genlmsg_cancel(msg, hdr); | |
13152 | nlmsg_free(msg); | |
b23aa676 SO |
13153 | } |
13154 | ||
13155 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
13156 | struct net_device *netdev, u16 reason, | |
667503dd | 13157 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
13158 | { |
13159 | struct sk_buff *msg; | |
13160 | void *hdr; | |
13161 | ||
58050fce | 13162 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
b23aa676 SO |
13163 | if (!msg) |
13164 | return; | |
13165 | ||
13166 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
13167 | if (!hdr) { | |
13168 | nlmsg_free(msg); | |
13169 | return; | |
13170 | } | |
13171 | ||
9360ffd1 DM |
13172 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13173 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13174 | (from_ap && reason && | |
13175 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
13176 | (from_ap && | |
13177 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
13178 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
13179 | goto nla_put_failure; | |
b23aa676 | 13180 | |
3b7b72ee | 13181 | genlmsg_end(msg, hdr); |
b23aa676 | 13182 | |
68eb5503 | 13183 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13184 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
13185 | return; |
13186 | ||
13187 | nla_put_failure: | |
13188 | genlmsg_cancel(msg, hdr); | |
13189 | nlmsg_free(msg); | |
b23aa676 SO |
13190 | } |
13191 | ||
04a773ad JB |
13192 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
13193 | struct net_device *netdev, const u8 *bssid, | |
13194 | gfp_t gfp) | |
13195 | { | |
13196 | struct sk_buff *msg; | |
13197 | void *hdr; | |
13198 | ||
fd2120ca | 13199 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
13200 | if (!msg) |
13201 | return; | |
13202 | ||
13203 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
13204 | if (!hdr) { | |
13205 | nlmsg_free(msg); | |
13206 | return; | |
13207 | } | |
13208 | ||
9360ffd1 DM |
13209 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13210 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13211 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
13212 | goto nla_put_failure; | |
04a773ad | 13213 | |
3b7b72ee | 13214 | genlmsg_end(msg, hdr); |
04a773ad | 13215 | |
68eb5503 | 13216 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13217 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
13218 | return; |
13219 | ||
13220 | nla_put_failure: | |
13221 | genlmsg_cancel(msg, hdr); | |
13222 | nlmsg_free(msg); | |
13223 | } | |
13224 | ||
947add36 JB |
13225 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
13226 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 13227 | { |
947add36 | 13228 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 13229 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
13230 | struct sk_buff *msg; |
13231 | void *hdr; | |
13232 | ||
947add36 JB |
13233 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
13234 | return; | |
13235 | ||
13236 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
13237 | ||
c93b5e71 JC |
13238 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
13239 | if (!msg) | |
13240 | return; | |
13241 | ||
13242 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
13243 | if (!hdr) { | |
13244 | nlmsg_free(msg); | |
13245 | return; | |
13246 | } | |
13247 | ||
9360ffd1 | 13248 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
13249 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
13250 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
13251 | (ie_len && ie && |
13252 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
13253 | goto nla_put_failure; | |
c93b5e71 | 13254 | |
3b7b72ee | 13255 | genlmsg_end(msg, hdr); |
c93b5e71 | 13256 | |
68eb5503 | 13257 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13258 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
13259 | return; |
13260 | ||
13261 | nla_put_failure: | |
13262 | genlmsg_cancel(msg, hdr); | |
13263 | nlmsg_free(msg); | |
13264 | } | |
947add36 | 13265 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 13266 | |
a3b8b056 JM |
13267 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
13268 | struct net_device *netdev, const u8 *addr, | |
13269 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 13270 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
13271 | { |
13272 | struct sk_buff *msg; | |
13273 | void *hdr; | |
13274 | ||
e6d6e342 | 13275 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
13276 | if (!msg) |
13277 | return; | |
13278 | ||
13279 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
13280 | if (!hdr) { | |
13281 | nlmsg_free(msg); | |
13282 | return; | |
13283 | } | |
13284 | ||
9360ffd1 DM |
13285 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13286 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13287 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
13288 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
13289 | (key_id != -1 && | |
13290 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
13291 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
13292 | goto nla_put_failure; | |
a3b8b056 | 13293 | |
3b7b72ee | 13294 | genlmsg_end(msg, hdr); |
a3b8b056 | 13295 | |
68eb5503 | 13296 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13297 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
13298 | return; |
13299 | ||
13300 | nla_put_failure: | |
13301 | genlmsg_cancel(msg, hdr); | |
13302 | nlmsg_free(msg); | |
13303 | } | |
13304 | ||
6bad8766 LR |
13305 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
13306 | struct ieee80211_channel *channel_before, | |
13307 | struct ieee80211_channel *channel_after) | |
13308 | { | |
13309 | struct sk_buff *msg; | |
13310 | void *hdr; | |
13311 | struct nlattr *nl_freq; | |
13312 | ||
fd2120ca | 13313 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
13314 | if (!msg) |
13315 | return; | |
13316 | ||
13317 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
13318 | if (!hdr) { | |
13319 | nlmsg_free(msg); | |
13320 | return; | |
13321 | } | |
13322 | ||
13323 | /* | |
13324 | * Since we are applying the beacon hint to a wiphy we know its | |
13325 | * wiphy_idx is valid | |
13326 | */ | |
9360ffd1 DM |
13327 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
13328 | goto nla_put_failure; | |
6bad8766 LR |
13329 | |
13330 | /* Before */ | |
13331 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
13332 | if (!nl_freq) | |
13333 | goto nla_put_failure; | |
cdc89b97 | 13334 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
13335 | goto nla_put_failure; |
13336 | nla_nest_end(msg, nl_freq); | |
13337 | ||
13338 | /* After */ | |
13339 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
13340 | if (!nl_freq) | |
13341 | goto nla_put_failure; | |
cdc89b97 | 13342 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
13343 | goto nla_put_failure; |
13344 | nla_nest_end(msg, nl_freq); | |
13345 | ||
3b7b72ee | 13346 | genlmsg_end(msg, hdr); |
6bad8766 | 13347 | |
463d0183 | 13348 | rcu_read_lock(); |
68eb5503 | 13349 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 13350 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 13351 | rcu_read_unlock(); |
6bad8766 LR |
13352 | |
13353 | return; | |
13354 | ||
13355 | nla_put_failure: | |
13356 | genlmsg_cancel(msg, hdr); | |
13357 | nlmsg_free(msg); | |
13358 | } | |
13359 | ||
9588bbd5 JM |
13360 | static void nl80211_send_remain_on_chan_event( |
13361 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 13362 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 13363 | struct ieee80211_channel *chan, |
9588bbd5 JM |
13364 | unsigned int duration, gfp_t gfp) |
13365 | { | |
13366 | struct sk_buff *msg; | |
13367 | void *hdr; | |
13368 | ||
13369 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13370 | if (!msg) | |
13371 | return; | |
13372 | ||
13373 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13374 | if (!hdr) { | |
13375 | nlmsg_free(msg); | |
13376 | return; | |
13377 | } | |
13378 | ||
9360ffd1 | 13379 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13380 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13381 | wdev->netdev->ifindex)) || | |
2dad624e ND |
13382 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13383 | NL80211_ATTR_PAD) || | |
9360ffd1 | 13384 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
13385 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
13386 | NL80211_CHAN_NO_HT) || | |
2dad624e ND |
13387 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
13388 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13389 | goto nla_put_failure; |
9588bbd5 | 13390 | |
9360ffd1 DM |
13391 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
13392 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
13393 | goto nla_put_failure; | |
9588bbd5 | 13394 | |
3b7b72ee | 13395 | genlmsg_end(msg, hdr); |
9588bbd5 | 13396 | |
68eb5503 | 13397 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13398 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
13399 | return; |
13400 | ||
13401 | nla_put_failure: | |
13402 | genlmsg_cancel(msg, hdr); | |
13403 | nlmsg_free(msg); | |
13404 | } | |
13405 | ||
947add36 JB |
13406 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
13407 | struct ieee80211_channel *chan, | |
13408 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 13409 | { |
947add36 | 13410 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13411 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13412 | |
13413 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 13414 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 13415 | rdev, wdev, cookie, chan, |
42d97a59 | 13416 | duration, gfp); |
9588bbd5 | 13417 | } |
947add36 | 13418 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 13419 | |
947add36 JB |
13420 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
13421 | struct ieee80211_channel *chan, | |
13422 | gfp_t gfp) | |
9588bbd5 | 13423 | { |
947add36 | 13424 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13425 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13426 | |
13427 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 13428 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 13429 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 13430 | } |
947add36 | 13431 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 13432 | |
947add36 JB |
13433 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
13434 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 13435 | { |
947add36 | 13436 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13437 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
13438 | struct sk_buff *msg; |
13439 | ||
947add36 JB |
13440 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
13441 | ||
58050fce | 13442 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
13443 | if (!msg) |
13444 | return; | |
13445 | ||
cf5ead82 | 13446 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0, |
66266b3a | 13447 | rdev, dev, mac_addr, sinfo) < 0) { |
98b62183 JB |
13448 | nlmsg_free(msg); |
13449 | return; | |
13450 | } | |
13451 | ||
68eb5503 | 13452 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13453 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 13454 | } |
947add36 | 13455 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 13456 | |
cf5ead82 JB |
13457 | void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr, |
13458 | struct station_info *sinfo, gfp_t gfp) | |
ec15e68b | 13459 | { |
947add36 | 13460 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13461 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b | 13462 | struct sk_buff *msg; |
cf5ead82 JB |
13463 | struct station_info empty_sinfo = {}; |
13464 | ||
13465 | if (!sinfo) | |
13466 | sinfo = &empty_sinfo; | |
ec15e68b | 13467 | |
947add36 JB |
13468 | trace_cfg80211_del_sta(dev, mac_addr); |
13469 | ||
58050fce | 13470 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
13471 | if (!msg) |
13472 | return; | |
13473 | ||
cf5ead82 | 13474 | if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0, |
57007121 | 13475 | rdev, dev, mac_addr, sinfo) < 0) { |
ec15e68b JM |
13476 | nlmsg_free(msg); |
13477 | return; | |
13478 | } | |
13479 | ||
68eb5503 | 13480 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13481 | NL80211_MCGRP_MLME, gfp); |
ec15e68b | 13482 | } |
cf5ead82 | 13483 | EXPORT_SYMBOL(cfg80211_del_sta_sinfo); |
ec15e68b | 13484 | |
947add36 JB |
13485 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
13486 | enum nl80211_connect_failed_reason reason, | |
13487 | gfp_t gfp) | |
ed44a951 | 13488 | { |
947add36 | 13489 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13490 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
13491 | struct sk_buff *msg; |
13492 | void *hdr; | |
13493 | ||
13494 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
13495 | if (!msg) | |
13496 | return; | |
13497 | ||
13498 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
13499 | if (!hdr) { | |
13500 | nlmsg_free(msg); | |
13501 | return; | |
13502 | } | |
13503 | ||
13504 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
13505 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
13506 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
13507 | goto nla_put_failure; | |
13508 | ||
13509 | genlmsg_end(msg, hdr); | |
13510 | ||
68eb5503 | 13511 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13512 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
13513 | return; |
13514 | ||
13515 | nla_put_failure: | |
13516 | genlmsg_cancel(msg, hdr); | |
13517 | nlmsg_free(msg); | |
13518 | } | |
947add36 | 13519 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 13520 | |
b92ab5d8 JB |
13521 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
13522 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
13523 | { |
13524 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 13525 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
13526 | struct sk_buff *msg; |
13527 | void *hdr; | |
15e47304 | 13528 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 13529 | |
15e47304 | 13530 | if (!nlportid) |
28946da7 JB |
13531 | return false; |
13532 | ||
13533 | msg = nlmsg_new(100, gfp); | |
13534 | if (!msg) | |
13535 | return true; | |
13536 | ||
b92ab5d8 | 13537 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
13538 | if (!hdr) { |
13539 | nlmsg_free(msg); | |
13540 | return true; | |
13541 | } | |
13542 | ||
9360ffd1 DM |
13543 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13544 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
13545 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
13546 | goto nla_put_failure; | |
28946da7 | 13547 | |
9c90a9f6 | 13548 | genlmsg_end(msg, hdr); |
15e47304 | 13549 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
13550 | return true; |
13551 | ||
13552 | nla_put_failure: | |
13553 | genlmsg_cancel(msg, hdr); | |
13554 | nlmsg_free(msg); | |
13555 | return true; | |
13556 | } | |
13557 | ||
947add36 JB |
13558 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
13559 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 13560 | { |
947add36 JB |
13561 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13562 | bool ret; | |
13563 | ||
13564 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
13565 | ||
13566 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
13567 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
13568 | trace_cfg80211_return_bool(false); | |
13569 | return false; | |
13570 | } | |
13571 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
13572 | addr, gfp); | |
13573 | trace_cfg80211_return_bool(ret); | |
13574 | return ret; | |
b92ab5d8 | 13575 | } |
947add36 | 13576 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 13577 | |
947add36 JB |
13578 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
13579 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 13580 | { |
947add36 JB |
13581 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13582 | bool ret; | |
13583 | ||
13584 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
13585 | ||
13586 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
13587 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
13588 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
13589 | trace_cfg80211_return_bool(false); | |
13590 | return false; | |
13591 | } | |
13592 | ret = __nl80211_unexpected_frame(dev, | |
13593 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
13594 | addr, gfp); | |
13595 | trace_cfg80211_return_bool(ret); | |
13596 | return ret; | |
b92ab5d8 | 13597 | } |
947add36 | 13598 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 13599 | |
2e161f78 | 13600 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 13601 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 13602 | int freq, int sig_dbm, |
19504cf5 | 13603 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 13604 | { |
71bbc994 | 13605 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
13606 | struct sk_buff *msg; |
13607 | void *hdr; | |
026331c4 JM |
13608 | |
13609 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13610 | if (!msg) | |
13611 | return -ENOMEM; | |
13612 | ||
2e161f78 | 13613 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
13614 | if (!hdr) { |
13615 | nlmsg_free(msg); | |
13616 | return -ENOMEM; | |
13617 | } | |
13618 | ||
9360ffd1 | 13619 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13620 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13621 | netdev->ifindex)) || | |
2dad624e ND |
13622 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13623 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
13624 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
13625 | (sig_dbm && | |
13626 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
13627 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
13628 | (flags && | |
13629 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 13630 | goto nla_put_failure; |
026331c4 | 13631 | |
3b7b72ee | 13632 | genlmsg_end(msg, hdr); |
026331c4 | 13633 | |
15e47304 | 13634 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
13635 | |
13636 | nla_put_failure: | |
13637 | genlmsg_cancel(msg, hdr); | |
13638 | nlmsg_free(msg); | |
13639 | return -ENOBUFS; | |
13640 | } | |
13641 | ||
947add36 JB |
13642 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
13643 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 13644 | { |
947add36 | 13645 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13646 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 13647 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
13648 | struct sk_buff *msg; |
13649 | void *hdr; | |
13650 | ||
947add36 JB |
13651 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
13652 | ||
026331c4 JM |
13653 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
13654 | if (!msg) | |
13655 | return; | |
13656 | ||
2e161f78 | 13657 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
13658 | if (!hdr) { |
13659 | nlmsg_free(msg); | |
13660 | return; | |
13661 | } | |
13662 | ||
9360ffd1 | 13663 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13664 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13665 | netdev->ifindex)) || | |
2dad624e ND |
13666 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13667 | NL80211_ATTR_PAD) || | |
9360ffd1 | 13668 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
2dad624e ND |
13669 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
13670 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
13671 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) |
13672 | goto nla_put_failure; | |
026331c4 | 13673 | |
3b7b72ee | 13674 | genlmsg_end(msg, hdr); |
026331c4 | 13675 | |
68eb5503 | 13676 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13677 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
13678 | return; |
13679 | ||
13680 | nla_put_failure: | |
13681 | genlmsg_cancel(msg, hdr); | |
13682 | nlmsg_free(msg); | |
13683 | } | |
947add36 | 13684 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 13685 | |
5b97f49d JB |
13686 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
13687 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 13688 | { |
947add36 | 13689 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
13690 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
13691 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13692 | void **cb; | |
947add36 | 13693 | |
d6dc1a38 | 13694 | if (!msg) |
5b97f49d | 13695 | return NULL; |
d6dc1a38 | 13696 | |
5b97f49d JB |
13697 | cb = (void **)msg->cb; |
13698 | ||
13699 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
13700 | if (!cb[0]) { | |
d6dc1a38 | 13701 | nlmsg_free(msg); |
5b97f49d | 13702 | return NULL; |
d6dc1a38 JO |
13703 | } |
13704 | ||
9360ffd1 | 13705 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 13706 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 13707 | goto nla_put_failure; |
d6dc1a38 | 13708 | |
5b97f49d | 13709 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
13710 | goto nla_put_failure; |
13711 | ||
5b97f49d JB |
13712 | cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM); |
13713 | if (!cb[1]) | |
9360ffd1 | 13714 | goto nla_put_failure; |
d6dc1a38 | 13715 | |
5b97f49d | 13716 | cb[2] = rdev; |
d6dc1a38 | 13717 | |
5b97f49d JB |
13718 | return msg; |
13719 | nla_put_failure: | |
13720 | nlmsg_free(msg); | |
13721 | return NULL; | |
13722 | } | |
13723 | ||
13724 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
13725 | { | |
13726 | void **cb = (void **)msg->cb; | |
13727 | struct cfg80211_registered_device *rdev = cb[2]; | |
13728 | ||
13729 | nla_nest_end(msg, cb[1]); | |
13730 | genlmsg_end(msg, cb[0]); | |
13731 | ||
13732 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 13733 | |
68eb5503 | 13734 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13735 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
13736 | } |
13737 | ||
13738 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
13739 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
13740 | gfp_t gfp) | |
13741 | { | |
13742 | struct sk_buff *msg; | |
13743 | ||
13744 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); | |
13745 | ||
98f03342 JB |
13746 | if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && |
13747 | rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) | |
13748 | return; | |
13749 | ||
5b97f49d JB |
13750 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); |
13751 | if (!msg) | |
13752 | return; | |
13753 | ||
13754 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
13755 | rssi_event)) | |
13756 | goto nla_put_failure; | |
13757 | ||
13758 | cfg80211_send_cqm(msg, gfp); | |
13759 | ||
d6dc1a38 JO |
13760 | return; |
13761 | ||
13762 | nla_put_failure: | |
d6dc1a38 JO |
13763 | nlmsg_free(msg); |
13764 | } | |
947add36 | 13765 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 13766 | |
5b97f49d JB |
13767 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
13768 | const u8 *peer, u32 num_packets, | |
13769 | u32 rate, u32 intvl, gfp_t gfp) | |
13770 | { | |
13771 | struct sk_buff *msg; | |
13772 | ||
13773 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
13774 | if (!msg) | |
13775 | return; | |
13776 | ||
13777 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
13778 | goto nla_put_failure; | |
13779 | ||
13780 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
13781 | goto nla_put_failure; | |
13782 | ||
13783 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
13784 | goto nla_put_failure; | |
13785 | ||
13786 | cfg80211_send_cqm(msg, gfp); | |
13787 | return; | |
13788 | ||
13789 | nla_put_failure: | |
13790 | nlmsg_free(msg); | |
13791 | } | |
13792 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
13793 | ||
13794 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
13795 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
13796 | { | |
13797 | struct sk_buff *msg; | |
13798 | ||
13799 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
13800 | ||
13801 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
13802 | if (!msg) | |
13803 | return; | |
13804 | ||
13805 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
13806 | goto nla_put_failure; | |
13807 | ||
13808 | cfg80211_send_cqm(msg, gfp); | |
13809 | return; | |
13810 | ||
13811 | nla_put_failure: | |
13812 | nlmsg_free(msg); | |
13813 | } | |
13814 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
13815 | ||
98f03342 JB |
13816 | void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp) |
13817 | { | |
13818 | struct sk_buff *msg; | |
13819 | ||
13820 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
13821 | if (!msg) | |
13822 | return; | |
13823 | ||
13824 | if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT)) | |
13825 | goto nla_put_failure; | |
13826 | ||
13827 | cfg80211_send_cqm(msg, gfp); | |
13828 | return; | |
13829 | ||
13830 | nla_put_failure: | |
13831 | nlmsg_free(msg); | |
13832 | } | |
13833 | EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify); | |
13834 | ||
947add36 JB |
13835 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
13836 | struct net_device *netdev, const u8 *bssid, | |
13837 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
13838 | { |
13839 | struct sk_buff *msg; | |
13840 | struct nlattr *rekey_attr; | |
13841 | void *hdr; | |
13842 | ||
58050fce | 13843 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
13844 | if (!msg) |
13845 | return; | |
13846 | ||
13847 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
13848 | if (!hdr) { | |
13849 | nlmsg_free(msg); | |
13850 | return; | |
13851 | } | |
13852 | ||
9360ffd1 DM |
13853 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13854 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13855 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
13856 | goto nla_put_failure; | |
e5497d76 JB |
13857 | |
13858 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
13859 | if (!rekey_attr) | |
13860 | goto nla_put_failure; | |
13861 | ||
9360ffd1 DM |
13862 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
13863 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
13864 | goto nla_put_failure; | |
e5497d76 JB |
13865 | |
13866 | nla_nest_end(msg, rekey_attr); | |
13867 | ||
3b7b72ee | 13868 | genlmsg_end(msg, hdr); |
e5497d76 | 13869 | |
68eb5503 | 13870 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13871 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
13872 | return; |
13873 | ||
13874 | nla_put_failure: | |
13875 | genlmsg_cancel(msg, hdr); | |
13876 | nlmsg_free(msg); | |
13877 | } | |
13878 | ||
947add36 JB |
13879 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
13880 | const u8 *replay_ctr, gfp_t gfp) | |
13881 | { | |
13882 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
13883 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13884 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13885 | |
13886 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
13887 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
13888 | } | |
13889 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
13890 | ||
13891 | static void | |
13892 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
13893 | struct net_device *netdev, int index, | |
13894 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
13895 | { |
13896 | struct sk_buff *msg; | |
13897 | struct nlattr *attr; | |
13898 | void *hdr; | |
13899 | ||
58050fce | 13900 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
13901 | if (!msg) |
13902 | return; | |
13903 | ||
13904 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
13905 | if (!hdr) { | |
13906 | nlmsg_free(msg); | |
13907 | return; | |
13908 | } | |
13909 | ||
9360ffd1 DM |
13910 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13911 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
13912 | goto nla_put_failure; | |
c9df56b4 JM |
13913 | |
13914 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
13915 | if (!attr) | |
13916 | goto nla_put_failure; | |
13917 | ||
9360ffd1 DM |
13918 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
13919 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
13920 | (preauth && | |
13921 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
13922 | goto nla_put_failure; | |
c9df56b4 JM |
13923 | |
13924 | nla_nest_end(msg, attr); | |
13925 | ||
3b7b72ee | 13926 | genlmsg_end(msg, hdr); |
c9df56b4 | 13927 | |
68eb5503 | 13928 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13929 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
13930 | return; |
13931 | ||
13932 | nla_put_failure: | |
13933 | genlmsg_cancel(msg, hdr); | |
13934 | nlmsg_free(msg); | |
13935 | } | |
13936 | ||
947add36 JB |
13937 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
13938 | const u8 *bssid, bool preauth, gfp_t gfp) | |
13939 | { | |
13940 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
13941 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13942 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13943 | |
13944 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
13945 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
13946 | } | |
13947 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
13948 | ||
13949 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
13950 | struct net_device *netdev, | |
13951 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
13952 | gfp_t gfp, |
13953 | enum nl80211_commands notif, | |
13954 | u8 count) | |
5314526b TP |
13955 | { |
13956 | struct sk_buff *msg; | |
13957 | void *hdr; | |
13958 | ||
58050fce | 13959 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
13960 | if (!msg) |
13961 | return; | |
13962 | ||
f8d7552e | 13963 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
13964 | if (!hdr) { |
13965 | nlmsg_free(msg); | |
13966 | return; | |
13967 | } | |
13968 | ||
683b6d3b JB |
13969 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
13970 | goto nla_put_failure; | |
13971 | ||
13972 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 13973 | goto nla_put_failure; |
5314526b | 13974 | |
f8d7552e LC |
13975 | if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && |
13976 | (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) | |
13977 | goto nla_put_failure; | |
13978 | ||
5314526b TP |
13979 | genlmsg_end(msg, hdr); |
13980 | ||
68eb5503 | 13981 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13982 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
13983 | return; |
13984 | ||
13985 | nla_put_failure: | |
13986 | genlmsg_cancel(msg, hdr); | |
13987 | nlmsg_free(msg); | |
13988 | } | |
13989 | ||
947add36 JB |
13990 | void cfg80211_ch_switch_notify(struct net_device *dev, |
13991 | struct cfg80211_chan_def *chandef) | |
84f10708 | 13992 | { |
947add36 JB |
13993 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13994 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13995 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 13996 | |
e487eaeb | 13997 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 13998 | |
e487eaeb | 13999 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 14000 | |
9e0e2961 | 14001 | wdev->chandef = *chandef; |
96f55f12 | 14002 | wdev->preset_chandef = *chandef; |
f8d7552e LC |
14003 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
14004 | NL80211_CMD_CH_SWITCH_NOTIFY, 0); | |
947add36 JB |
14005 | } |
14006 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
14007 | ||
f8d7552e LC |
14008 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
14009 | struct cfg80211_chan_def *chandef, | |
14010 | u8 count) | |
14011 | { | |
14012 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14013 | struct wiphy *wiphy = wdev->wiphy; | |
14014 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
14015 | ||
14016 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
14017 | ||
14018 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
14019 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); | |
14020 | } | |
14021 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
14022 | ||
04f39047 SW |
14023 | void |
14024 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 14025 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
14026 | enum nl80211_radar_event event, |
14027 | struct net_device *netdev, gfp_t gfp) | |
14028 | { | |
14029 | struct sk_buff *msg; | |
14030 | void *hdr; | |
14031 | ||
14032 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14033 | if (!msg) | |
14034 | return; | |
14035 | ||
14036 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
14037 | if (!hdr) { | |
14038 | nlmsg_free(msg); | |
14039 | return; | |
14040 | } | |
14041 | ||
14042 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
14043 | goto nla_put_failure; | |
14044 | ||
14045 | /* NOP and radar events don't need a netdev parameter */ | |
14046 | if (netdev) { | |
14047 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
14048 | ||
14049 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
2dad624e ND |
14050 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14051 | NL80211_ATTR_PAD)) | |
04f39047 SW |
14052 | goto nla_put_failure; |
14053 | } | |
14054 | ||
14055 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
14056 | goto nla_put_failure; | |
14057 | ||
14058 | if (nl80211_send_chandef(msg, chandef)) | |
14059 | goto nla_put_failure; | |
14060 | ||
9c90a9f6 | 14061 | genlmsg_end(msg, hdr); |
04f39047 | 14062 | |
68eb5503 | 14063 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14064 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
14065 | return; |
14066 | ||
14067 | nla_put_failure: | |
14068 | genlmsg_cancel(msg, hdr); | |
14069 | nlmsg_free(msg); | |
14070 | } | |
14071 | ||
7f6cf311 JB |
14072 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
14073 | u64 cookie, bool acked, gfp_t gfp) | |
14074 | { | |
14075 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14076 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
14077 | struct sk_buff *msg; |
14078 | void *hdr; | |
7f6cf311 | 14079 | |
4ee3e063 BL |
14080 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
14081 | ||
58050fce | 14082 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 14083 | |
7f6cf311 JB |
14084 | if (!msg) |
14085 | return; | |
14086 | ||
14087 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
14088 | if (!hdr) { | |
14089 | nlmsg_free(msg); | |
14090 | return; | |
14091 | } | |
14092 | ||
9360ffd1 DM |
14093 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14094 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14095 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
2dad624e ND |
14096 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14097 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14098 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) |
14099 | goto nla_put_failure; | |
7f6cf311 | 14100 | |
9c90a9f6 | 14101 | genlmsg_end(msg, hdr); |
7f6cf311 | 14102 | |
68eb5503 | 14103 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14104 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
14105 | return; |
14106 | ||
14107 | nla_put_failure: | |
14108 | genlmsg_cancel(msg, hdr); | |
14109 | nlmsg_free(msg); | |
14110 | } | |
14111 | EXPORT_SYMBOL(cfg80211_probe_status); | |
14112 | ||
5e760230 JB |
14113 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
14114 | const u8 *frame, size_t len, | |
37c73b5f | 14115 | int freq, int sig_dbm) |
5e760230 | 14116 | { |
f26cbf40 | 14117 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
14118 | struct sk_buff *msg; |
14119 | void *hdr; | |
37c73b5f | 14120 | struct cfg80211_beacon_registration *reg; |
5e760230 | 14121 | |
4ee3e063 BL |
14122 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
14123 | ||
37c73b5f BG |
14124 | spin_lock_bh(&rdev->beacon_registrations_lock); |
14125 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
14126 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
14127 | if (!msg) { | |
14128 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
14129 | return; | |
14130 | } | |
5e760230 | 14131 | |
37c73b5f BG |
14132 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
14133 | if (!hdr) | |
14134 | goto nla_put_failure; | |
5e760230 | 14135 | |
37c73b5f BG |
14136 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14137 | (freq && | |
14138 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
14139 | (sig_dbm && | |
14140 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
14141 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
14142 | goto nla_put_failure; | |
5e760230 | 14143 | |
37c73b5f | 14144 | genlmsg_end(msg, hdr); |
5e760230 | 14145 | |
37c73b5f BG |
14146 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
14147 | } | |
14148 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
14149 | return; |
14150 | ||
14151 | nla_put_failure: | |
37c73b5f BG |
14152 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
14153 | if (hdr) | |
14154 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
14155 | nlmsg_free(msg); |
14156 | } | |
14157 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
14158 | ||
cd8f7cb4 | 14159 | #ifdef CONFIG_PM |
8cd4d456 LC |
14160 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
14161 | struct cfg80211_wowlan_wakeup *wakeup) | |
14162 | { | |
14163 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
14164 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
14165 | int i, j; | |
14166 | ||
14167 | nl_results = nla_nest_start( | |
14168 | msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
14169 | if (!nl_results) | |
14170 | return -EMSGSIZE; | |
14171 | ||
14172 | for (i = 0; i < nd->n_matches; i++) { | |
14173 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
14174 | ||
14175 | nl_match = nla_nest_start(msg, i); | |
14176 | if (!nl_match) | |
14177 | break; | |
14178 | ||
14179 | /* The SSID attribute is optional in nl80211, but for | |
14180 | * simplicity reasons it's always present in the | |
14181 | * cfg80211 structure. If a driver can't pass the | |
14182 | * SSID, that needs to be changed. A zero length SSID | |
14183 | * is still a valid SSID (wildcard), so it cannot be | |
14184 | * used for this purpose. | |
14185 | */ | |
14186 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
14187 | match->ssid.ssid)) { | |
14188 | nla_nest_cancel(msg, nl_match); | |
14189 | goto out; | |
14190 | } | |
14191 | ||
14192 | if (match->n_channels) { | |
14193 | nl_freqs = nla_nest_start( | |
14194 | msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
14195 | if (!nl_freqs) { | |
14196 | nla_nest_cancel(msg, nl_match); | |
14197 | goto out; | |
14198 | } | |
14199 | ||
14200 | for (j = 0; j < match->n_channels; j++) { | |
5528fae8 | 14201 | if (nla_put_u32(msg, j, match->channels[j])) { |
8cd4d456 LC |
14202 | nla_nest_cancel(msg, nl_freqs); |
14203 | nla_nest_cancel(msg, nl_match); | |
14204 | goto out; | |
14205 | } | |
14206 | } | |
14207 | ||
14208 | nla_nest_end(msg, nl_freqs); | |
14209 | } | |
14210 | ||
14211 | nla_nest_end(msg, nl_match); | |
14212 | } | |
14213 | ||
14214 | out: | |
14215 | nla_nest_end(msg, nl_results); | |
14216 | return 0; | |
14217 | } | |
14218 | ||
cd8f7cb4 JB |
14219 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
14220 | struct cfg80211_wowlan_wakeup *wakeup, | |
14221 | gfp_t gfp) | |
14222 | { | |
f26cbf40 | 14223 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
14224 | struct sk_buff *msg; |
14225 | void *hdr; | |
9c90a9f6 | 14226 | int size = 200; |
cd8f7cb4 JB |
14227 | |
14228 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
14229 | ||
14230 | if (wakeup) | |
14231 | size += wakeup->packet_present_len; | |
14232 | ||
14233 | msg = nlmsg_new(size, gfp); | |
14234 | if (!msg) | |
14235 | return; | |
14236 | ||
14237 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
14238 | if (!hdr) | |
14239 | goto free_msg; | |
14240 | ||
14241 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
14242 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14243 | NL80211_ATTR_PAD)) | |
cd8f7cb4 JB |
14244 | goto free_msg; |
14245 | ||
14246 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
14247 | wdev->netdev->ifindex)) | |
14248 | goto free_msg; | |
14249 | ||
14250 | if (wakeup) { | |
14251 | struct nlattr *reasons; | |
14252 | ||
14253 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
14254 | if (!reasons) |
14255 | goto free_msg; | |
cd8f7cb4 JB |
14256 | |
14257 | if (wakeup->disconnect && | |
14258 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
14259 | goto free_msg; | |
14260 | if (wakeup->magic_pkt && | |
14261 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
14262 | goto free_msg; | |
14263 | if (wakeup->gtk_rekey_failure && | |
14264 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
14265 | goto free_msg; | |
14266 | if (wakeup->eap_identity_req && | |
14267 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
14268 | goto free_msg; | |
14269 | if (wakeup->four_way_handshake && | |
14270 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
14271 | goto free_msg; | |
14272 | if (wakeup->rfkill_release && | |
14273 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
14274 | goto free_msg; | |
14275 | ||
14276 | if (wakeup->pattern_idx >= 0 && | |
14277 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
14278 | wakeup->pattern_idx)) | |
14279 | goto free_msg; | |
14280 | ||
ae917c9f JB |
14281 | if (wakeup->tcp_match && |
14282 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
14283 | goto free_msg; | |
2a0e047e | 14284 | |
ae917c9f JB |
14285 | if (wakeup->tcp_connlost && |
14286 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
14287 | goto free_msg; | |
2a0e047e | 14288 | |
ae917c9f JB |
14289 | if (wakeup->tcp_nomoretokens && |
14290 | nla_put_flag(msg, | |
14291 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
14292 | goto free_msg; | |
2a0e047e | 14293 | |
cd8f7cb4 JB |
14294 | if (wakeup->packet) { |
14295 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
14296 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
14297 | ||
14298 | if (!wakeup->packet_80211) { | |
14299 | pkt_attr = | |
14300 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
14301 | len_attr = | |
14302 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
14303 | } | |
14304 | ||
14305 | if (wakeup->packet_len && | |
14306 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
14307 | goto free_msg; | |
14308 | ||
14309 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
14310 | wakeup->packet)) | |
14311 | goto free_msg; | |
14312 | } | |
14313 | ||
8cd4d456 LC |
14314 | if (wakeup->net_detect && |
14315 | cfg80211_net_detect_results(msg, wakeup)) | |
14316 | goto free_msg; | |
14317 | ||
cd8f7cb4 JB |
14318 | nla_nest_end(msg, reasons); |
14319 | } | |
14320 | ||
9c90a9f6 | 14321 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 14322 | |
68eb5503 | 14323 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14324 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
14325 | return; |
14326 | ||
14327 | free_msg: | |
14328 | nlmsg_free(msg); | |
14329 | } | |
14330 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
14331 | #endif | |
14332 | ||
3475b094 JM |
14333 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
14334 | enum nl80211_tdls_operation oper, | |
14335 | u16 reason_code, gfp_t gfp) | |
14336 | { | |
14337 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14338 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
14339 | struct sk_buff *msg; |
14340 | void *hdr; | |
3475b094 JM |
14341 | |
14342 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
14343 | reason_code); | |
14344 | ||
14345 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14346 | if (!msg) | |
14347 | return; | |
14348 | ||
14349 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
14350 | if (!hdr) { | |
14351 | nlmsg_free(msg); | |
14352 | return; | |
14353 | } | |
14354 | ||
14355 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
14356 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14357 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
14358 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
14359 | (reason_code > 0 && | |
14360 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
14361 | goto nla_put_failure; | |
14362 | ||
9c90a9f6 | 14363 | genlmsg_end(msg, hdr); |
3475b094 | 14364 | |
68eb5503 | 14365 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14366 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
14367 | return; |
14368 | ||
14369 | nla_put_failure: | |
14370 | genlmsg_cancel(msg, hdr); | |
14371 | nlmsg_free(msg); | |
14372 | } | |
14373 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
14374 | ||
026331c4 JM |
14375 | static int nl80211_netlink_notify(struct notifier_block * nb, |
14376 | unsigned long state, | |
14377 | void *_notify) | |
14378 | { | |
14379 | struct netlink_notify *notify = _notify; | |
14380 | struct cfg80211_registered_device *rdev; | |
14381 | struct wireless_dev *wdev; | |
37c73b5f | 14382 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 | 14383 | |
8f815cdd | 14384 | if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC) |
026331c4 JM |
14385 | return NOTIFY_DONE; |
14386 | ||
14387 | rcu_read_lock(); | |
14388 | ||
5e760230 | 14389 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
78f22b6a | 14390 | bool schedule_destroy_work = false; |
93a1e86c JR |
14391 | bool schedule_scan_stop = false; |
14392 | struct cfg80211_sched_scan_request *sched_scan_req = | |
14393 | rcu_dereference(rdev->sched_scan_req); | |
14394 | ||
14395 | if (sched_scan_req && notify->portid && | |
14396 | sched_scan_req->owner_nlportid == notify->portid) | |
14397 | schedule_scan_stop = true; | |
78f22b6a | 14398 | |
53873f13 | 14399 | list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) { |
15e47304 | 14400 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 14401 | |
78f22b6a JB |
14402 | if (wdev->owner_nlportid == notify->portid) |
14403 | schedule_destroy_work = true; | |
14404 | } | |
14405 | ||
37c73b5f BG |
14406 | spin_lock_bh(&rdev->beacon_registrations_lock); |
14407 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
14408 | list) { | |
14409 | if (reg->nlportid == notify->portid) { | |
14410 | list_del(®->list); | |
14411 | kfree(reg); | |
14412 | break; | |
14413 | } | |
14414 | } | |
14415 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
78f22b6a JB |
14416 | |
14417 | if (schedule_destroy_work) { | |
14418 | struct cfg80211_iface_destroy *destroy; | |
14419 | ||
14420 | destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC); | |
14421 | if (destroy) { | |
14422 | destroy->nlportid = notify->portid; | |
14423 | spin_lock(&rdev->destroy_list_lock); | |
14424 | list_add(&destroy->list, &rdev->destroy_list); | |
14425 | spin_unlock(&rdev->destroy_list_lock); | |
14426 | schedule_work(&rdev->destroy_work); | |
14427 | } | |
93a1e86c JR |
14428 | } else if (schedule_scan_stop) { |
14429 | sched_scan_req->owner_nlportid = 0; | |
14430 | ||
14431 | if (rdev->ops->sched_scan_stop && | |
14432 | rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) | |
14433 | schedule_work(&rdev->sched_scan_stop_wk); | |
78f22b6a | 14434 | } |
5e760230 | 14435 | } |
026331c4 JM |
14436 | |
14437 | rcu_read_unlock(); | |
14438 | ||
05050753 I |
14439 | /* |
14440 | * It is possible that the user space process that is controlling the | |
14441 | * indoor setting disappeared, so notify the regulatory core. | |
14442 | */ | |
14443 | regulatory_netlink_notify(notify->portid); | |
6784c7db | 14444 | return NOTIFY_OK; |
026331c4 JM |
14445 | } |
14446 | ||
14447 | static struct notifier_block nl80211_netlink_notifier = { | |
14448 | .notifier_call = nl80211_netlink_notify, | |
14449 | }; | |
14450 | ||
355199e0 JM |
14451 | void cfg80211_ft_event(struct net_device *netdev, |
14452 | struct cfg80211_ft_event_params *ft_event) | |
14453 | { | |
14454 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 14455 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
14456 | struct sk_buff *msg; |
14457 | void *hdr; | |
355199e0 JM |
14458 | |
14459 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
14460 | ||
14461 | if (!ft_event->target_ap) | |
14462 | return; | |
14463 | ||
14464 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
14465 | if (!msg) | |
14466 | return; | |
14467 | ||
14468 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
14469 | if (!hdr) |
14470 | goto out; | |
355199e0 | 14471 | |
ae917c9f JB |
14472 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14473 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14474 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
14475 | goto out; | |
355199e0 | 14476 | |
ae917c9f JB |
14477 | if (ft_event->ies && |
14478 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
14479 | goto out; | |
14480 | if (ft_event->ric_ies && | |
14481 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
14482 | ft_event->ric_ies)) | |
14483 | goto out; | |
355199e0 | 14484 | |
9c90a9f6 | 14485 | genlmsg_end(msg, hdr); |
355199e0 | 14486 | |
68eb5503 | 14487 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14488 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
14489 | return; |
14490 | out: | |
14491 | nlmsg_free(msg); | |
355199e0 JM |
14492 | } |
14493 | EXPORT_SYMBOL(cfg80211_ft_event); | |
14494 | ||
5de17984 AS |
14495 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
14496 | { | |
14497 | struct cfg80211_registered_device *rdev; | |
14498 | struct sk_buff *msg; | |
14499 | void *hdr; | |
14500 | u32 nlportid; | |
14501 | ||
f26cbf40 | 14502 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
14503 | if (!rdev->crit_proto_nlportid) |
14504 | return; | |
14505 | ||
14506 | nlportid = rdev->crit_proto_nlportid; | |
14507 | rdev->crit_proto_nlportid = 0; | |
14508 | ||
14509 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14510 | if (!msg) | |
14511 | return; | |
14512 | ||
14513 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
14514 | if (!hdr) | |
14515 | goto nla_put_failure; | |
14516 | ||
14517 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
14518 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14519 | NL80211_ATTR_PAD)) | |
5de17984 AS |
14520 | goto nla_put_failure; |
14521 | ||
14522 | genlmsg_end(msg, hdr); | |
14523 | ||
14524 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
14525 | return; | |
14526 | ||
14527 | nla_put_failure: | |
14528 | if (hdr) | |
14529 | genlmsg_cancel(msg, hdr); | |
14530 | nlmsg_free(msg); | |
5de17984 AS |
14531 | } |
14532 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
14533 | ||
348baf0e JB |
14534 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
14535 | { | |
14536 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14537 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
14538 | struct sk_buff *msg; |
14539 | void *hdr; | |
14540 | ||
14541 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
14542 | if (!msg) | |
14543 | return; | |
14544 | ||
14545 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
14546 | if (!hdr) | |
14547 | goto out; | |
14548 | ||
14549 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
14550 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
2dad624e ND |
14551 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14552 | NL80211_ATTR_PAD)) | |
348baf0e JB |
14553 | goto out; |
14554 | ||
14555 | genlmsg_end(msg, hdr); | |
14556 | ||
14557 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
14558 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
14559 | return; | |
14560 | out: | |
14561 | nlmsg_free(msg); | |
14562 | } | |
14563 | ||
55682965 JB |
14564 | /* initialisation/exit functions */ |
14565 | ||
14566 | int nl80211_init(void) | |
14567 | { | |
0d63cbb5 | 14568 | int err; |
55682965 | 14569 | |
2a94fe48 JB |
14570 | err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, |
14571 | nl80211_mcgrps); | |
55682965 JB |
14572 | if (err) |
14573 | return err; | |
14574 | ||
026331c4 JM |
14575 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
14576 | if (err) | |
14577 | goto err_out; | |
14578 | ||
55682965 JB |
14579 | return 0; |
14580 | err_out: | |
14581 | genl_unregister_family(&nl80211_fam); | |
14582 | return err; | |
14583 | } | |
14584 | ||
14585 | void nl80211_exit(void) | |
14586 | { | |
026331c4 | 14587 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
14588 | genl_unregister_family(&nl80211_fam); |
14589 | } |