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Commit | Line | Data |
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55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
4 | * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net> | |
5 | */ | |
6 | ||
7 | #include <linux/if.h> | |
8 | #include <linux/module.h> | |
9 | #include <linux/err.h> | |
10 | #include <linux/mutex.h> | |
11 | #include <linux/list.h> | |
12 | #include <linux/if_ether.h> | |
13 | #include <linux/ieee80211.h> | |
14 | #include <linux/nl80211.h> | |
15 | #include <linux/rtnetlink.h> | |
16 | #include <linux/netlink.h> | |
17 | #include <net/genetlink.h> | |
18 | #include <net/cfg80211.h> | |
19 | #include "core.h" | |
20 | #include "nl80211.h" | |
21 | ||
22 | /* the netlink family */ | |
23 | static struct genl_family nl80211_fam = { | |
24 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ | |
25 | .name = "nl80211", /* have users key off the name instead */ | |
26 | .hdrsize = 0, /* no private header */ | |
27 | .version = 1, /* no particular meaning now */ | |
28 | .maxattr = NL80211_ATTR_MAX, | |
29 | }; | |
30 | ||
31 | /* internal helper: get drv and dev */ | |
bba95fef | 32 | static int get_drv_dev_by_info_ifindex(struct nlattr **attrs, |
55682965 JB |
33 | struct cfg80211_registered_device **drv, |
34 | struct net_device **dev) | |
35 | { | |
36 | int ifindex; | |
37 | ||
bba95fef | 38 | if (!attrs[NL80211_ATTR_IFINDEX]) |
55682965 JB |
39 | return -EINVAL; |
40 | ||
bba95fef | 41 | ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); |
55682965 JB |
42 | *dev = dev_get_by_index(&init_net, ifindex); |
43 | if (!*dev) | |
44 | return -ENODEV; | |
45 | ||
46 | *drv = cfg80211_get_dev_from_ifindex(ifindex); | |
47 | if (IS_ERR(*drv)) { | |
48 | dev_put(*dev); | |
49 | return PTR_ERR(*drv); | |
50 | } | |
51 | ||
52 | return 0; | |
53 | } | |
54 | ||
55 | /* policy for the attributes */ | |
56 | static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = { | |
57 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, | |
58 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
59 | .len = BUS_ID_SIZE-1 }, | |
60 | ||
61 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
62 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
63 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f JB |
64 | |
65 | [NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN }, | |
66 | ||
67 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, | |
68 | .len = WLAN_MAX_KEY_LEN }, | |
69 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
70 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
71 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
ed1b6cc7 JB |
72 | |
73 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
74 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
75 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
76 | .len = IEEE80211_MAX_DATA_LEN }, | |
77 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
78 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
79 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
80 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
81 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
82 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
83 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 84 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 85 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
66f7ac50 | 86 | [NL80211_ATTR_MNTR_FLAGS] = { .type = NLA_NESTED }, |
2ec600d6 LCC |
87 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
88 | .len = IEEE80211_MAX_MESH_ID_LEN }, | |
89 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, | |
55682965 JB |
90 | }; |
91 | ||
92 | /* message building helper */ | |
93 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, | |
94 | int flags, u8 cmd) | |
95 | { | |
96 | /* since there is no private header just add the generic one */ | |
97 | return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd); | |
98 | } | |
99 | ||
100 | /* netlink command implementations */ | |
101 | ||
102 | static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, | |
103 | struct cfg80211_registered_device *dev) | |
104 | { | |
105 | void *hdr; | |
ee688b00 JB |
106 | struct nlattr *nl_bands, *nl_band; |
107 | struct nlattr *nl_freqs, *nl_freq; | |
108 | struct nlattr *nl_rates, *nl_rate; | |
109 | enum ieee80211_band band; | |
110 | struct ieee80211_channel *chan; | |
111 | struct ieee80211_rate *rate; | |
112 | int i; | |
55682965 JB |
113 | |
114 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); | |
115 | if (!hdr) | |
116 | return -1; | |
117 | ||
118 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->idx); | |
119 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); | |
ee688b00 JB |
120 | |
121 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
122 | if (!nl_bands) | |
123 | goto nla_put_failure; | |
124 | ||
125 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
126 | if (!dev->wiphy.bands[band]) | |
127 | continue; | |
128 | ||
129 | nl_band = nla_nest_start(msg, band); | |
130 | if (!nl_band) | |
131 | goto nla_put_failure; | |
132 | ||
133 | /* add frequencies */ | |
134 | nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); | |
135 | if (!nl_freqs) | |
136 | goto nla_put_failure; | |
137 | ||
138 | for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { | |
139 | nl_freq = nla_nest_start(msg, i); | |
140 | if (!nl_freq) | |
141 | goto nla_put_failure; | |
142 | ||
143 | chan = &dev->wiphy.bands[band]->channels[i]; | |
144 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, | |
145 | chan->center_freq); | |
146 | ||
147 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
148 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); | |
149 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
150 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); | |
151 | if (chan->flags & IEEE80211_CHAN_NO_IBSS) | |
152 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); | |
153 | if (chan->flags & IEEE80211_CHAN_RADAR) | |
154 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); | |
155 | ||
156 | nla_nest_end(msg, nl_freq); | |
157 | } | |
158 | ||
159 | nla_nest_end(msg, nl_freqs); | |
160 | ||
161 | /* add bitrates */ | |
162 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
163 | if (!nl_rates) | |
164 | goto nla_put_failure; | |
165 | ||
166 | for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { | |
167 | nl_rate = nla_nest_start(msg, i); | |
168 | if (!nl_rate) | |
169 | goto nla_put_failure; | |
170 | ||
171 | rate = &dev->wiphy.bands[band]->bitrates[i]; | |
172 | NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, | |
173 | rate->bitrate); | |
174 | if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) | |
175 | NLA_PUT_FLAG(msg, | |
176 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); | |
177 | ||
178 | nla_nest_end(msg, nl_rate); | |
179 | } | |
180 | ||
181 | nla_nest_end(msg, nl_rates); | |
182 | ||
183 | nla_nest_end(msg, nl_band); | |
184 | } | |
185 | nla_nest_end(msg, nl_bands); | |
186 | ||
55682965 JB |
187 | return genlmsg_end(msg, hdr); |
188 | ||
189 | nla_put_failure: | |
bc3ed28c TG |
190 | genlmsg_cancel(msg, hdr); |
191 | return -EMSGSIZE; | |
55682965 JB |
192 | } |
193 | ||
194 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) | |
195 | { | |
196 | int idx = 0; | |
197 | int start = cb->args[0]; | |
198 | struct cfg80211_registered_device *dev; | |
199 | ||
200 | mutex_lock(&cfg80211_drv_mutex); | |
201 | list_for_each_entry(dev, &cfg80211_drv_list, list) { | |
b4637271 | 202 | if (++idx <= start) |
55682965 JB |
203 | continue; |
204 | if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid, | |
205 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
b4637271 JV |
206 | dev) < 0) { |
207 | idx--; | |
55682965 | 208 | break; |
b4637271 | 209 | } |
55682965 JB |
210 | } |
211 | mutex_unlock(&cfg80211_drv_mutex); | |
212 | ||
213 | cb->args[0] = idx; | |
214 | ||
215 | return skb->len; | |
216 | } | |
217 | ||
218 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) | |
219 | { | |
220 | struct sk_buff *msg; | |
221 | struct cfg80211_registered_device *dev; | |
222 | ||
223 | dev = cfg80211_get_dev_from_info(info); | |
224 | if (IS_ERR(dev)) | |
225 | return PTR_ERR(dev); | |
226 | ||
227 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
228 | if (!msg) | |
229 | goto out_err; | |
230 | ||
231 | if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) | |
232 | goto out_free; | |
233 | ||
234 | cfg80211_put_dev(dev); | |
235 | ||
236 | return genlmsg_unicast(msg, info->snd_pid); | |
237 | ||
238 | out_free: | |
239 | nlmsg_free(msg); | |
240 | out_err: | |
241 | cfg80211_put_dev(dev); | |
242 | return -ENOBUFS; | |
243 | } | |
244 | ||
245 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) | |
246 | { | |
247 | struct cfg80211_registered_device *rdev; | |
248 | int result; | |
249 | ||
250 | if (!info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
251 | return -EINVAL; | |
252 | ||
253 | rdev = cfg80211_get_dev_from_info(info); | |
254 | if (IS_ERR(rdev)) | |
255 | return PTR_ERR(rdev); | |
256 | ||
257 | result = cfg80211_dev_rename(rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
258 | ||
259 | cfg80211_put_dev(rdev); | |
260 | return result; | |
261 | } | |
262 | ||
263 | ||
264 | static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, | |
265 | struct net_device *dev) | |
266 | { | |
267 | void *hdr; | |
268 | ||
269 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); | |
270 | if (!hdr) | |
271 | return -1; | |
272 | ||
273 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
274 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name); | |
275 | /* TODO: interface type */ | |
276 | return genlmsg_end(msg, hdr); | |
277 | ||
278 | nla_put_failure: | |
bc3ed28c TG |
279 | genlmsg_cancel(msg, hdr); |
280 | return -EMSGSIZE; | |
55682965 JB |
281 | } |
282 | ||
283 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
284 | { | |
285 | int wp_idx = 0; | |
286 | int if_idx = 0; | |
287 | int wp_start = cb->args[0]; | |
288 | int if_start = cb->args[1]; | |
289 | struct cfg80211_registered_device *dev; | |
290 | struct wireless_dev *wdev; | |
291 | ||
292 | mutex_lock(&cfg80211_drv_mutex); | |
293 | list_for_each_entry(dev, &cfg80211_drv_list, list) { | |
bba95fef JB |
294 | if (wp_idx < wp_start) { |
295 | wp_idx++; | |
55682965 | 296 | continue; |
bba95fef | 297 | } |
55682965 JB |
298 | if_idx = 0; |
299 | ||
300 | mutex_lock(&dev->devlist_mtx); | |
301 | list_for_each_entry(wdev, &dev->netdev_list, list) { | |
bba95fef JB |
302 | if (if_idx < if_start) { |
303 | if_idx++; | |
55682965 | 304 | continue; |
bba95fef | 305 | } |
55682965 JB |
306 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, |
307 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
bba95fef JB |
308 | wdev->netdev) < 0) { |
309 | mutex_unlock(&dev->devlist_mtx); | |
310 | goto out; | |
311 | } | |
312 | if_idx++; | |
55682965 JB |
313 | } |
314 | mutex_unlock(&dev->devlist_mtx); | |
bba95fef JB |
315 | |
316 | wp_idx++; | |
55682965 | 317 | } |
bba95fef | 318 | out: |
55682965 JB |
319 | mutex_unlock(&cfg80211_drv_mutex); |
320 | ||
321 | cb->args[0] = wp_idx; | |
322 | cb->args[1] = if_idx; | |
323 | ||
324 | return skb->len; | |
325 | } | |
326 | ||
327 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
328 | { | |
329 | struct sk_buff *msg; | |
330 | struct cfg80211_registered_device *dev; | |
331 | struct net_device *netdev; | |
332 | int err; | |
333 | ||
bba95fef | 334 | err = get_drv_dev_by_info_ifindex(info->attrs, &dev, &netdev); |
55682965 JB |
335 | if (err) |
336 | return err; | |
337 | ||
338 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
339 | if (!msg) | |
340 | goto out_err; | |
341 | ||
342 | if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, netdev) < 0) | |
343 | goto out_free; | |
344 | ||
345 | dev_put(netdev); | |
346 | cfg80211_put_dev(dev); | |
347 | ||
348 | return genlmsg_unicast(msg, info->snd_pid); | |
349 | ||
350 | out_free: | |
351 | nlmsg_free(msg); | |
352 | out_err: | |
353 | dev_put(netdev); | |
354 | cfg80211_put_dev(dev); | |
355 | return -ENOBUFS; | |
356 | } | |
357 | ||
66f7ac50 MW |
358 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
359 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
360 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
361 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
362 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
363 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
364 | }; | |
365 | ||
366 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
367 | { | |
368 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
369 | int flag; | |
370 | ||
371 | *mntrflags = 0; | |
372 | ||
373 | if (!nla) | |
374 | return -EINVAL; | |
375 | ||
376 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
377 | nla, mntr_flags_policy)) | |
378 | return -EINVAL; | |
379 | ||
380 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
381 | if (flags[flag]) | |
382 | *mntrflags |= (1<<flag); | |
383 | ||
384 | return 0; | |
385 | } | |
386 | ||
55682965 JB |
387 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
388 | { | |
389 | struct cfg80211_registered_device *drv; | |
2ec600d6 | 390 | struct vif_params params; |
55682965 JB |
391 | int err, ifindex; |
392 | enum nl80211_iftype type; | |
393 | struct net_device *dev; | |
66f7ac50 | 394 | u32 flags; |
55682965 | 395 | |
2ec600d6 LCC |
396 | memset(¶ms, 0, sizeof(params)); |
397 | ||
55682965 JB |
398 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
399 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
400 | if (type > NL80211_IFTYPE_MAX) | |
401 | return -EINVAL; | |
402 | } else | |
403 | return -EINVAL; | |
404 | ||
bba95fef | 405 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
55682965 JB |
406 | if (err) |
407 | return err; | |
408 | ifindex = dev->ifindex; | |
409 | dev_put(dev); | |
410 | ||
411 | if (!drv->ops->change_virtual_intf) { | |
412 | err = -EOPNOTSUPP; | |
413 | goto unlock; | |
414 | } | |
415 | ||
2ec600d6 LCC |
416 | if (type == NL80211_IFTYPE_MESH_POINT && |
417 | info->attrs[NL80211_ATTR_MESH_ID]) { | |
418 | params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); | |
419 | params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
420 | } | |
421 | ||
55682965 | 422 | rtnl_lock(); |
66f7ac50 MW |
423 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
424 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
425 | &flags); | |
426 | err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex, | |
2ec600d6 | 427 | type, err ? NULL : &flags, ¶ms); |
55682965 JB |
428 | rtnl_unlock(); |
429 | ||
430 | unlock: | |
431 | cfg80211_put_dev(drv); | |
432 | return err; | |
433 | } | |
434 | ||
435 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
436 | { | |
437 | struct cfg80211_registered_device *drv; | |
2ec600d6 | 438 | struct vif_params params; |
55682965 JB |
439 | int err; |
440 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 441 | u32 flags; |
55682965 | 442 | |
2ec600d6 LCC |
443 | memset(¶ms, 0, sizeof(params)); |
444 | ||
55682965 JB |
445 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
446 | return -EINVAL; | |
447 | ||
448 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
449 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
450 | if (type > NL80211_IFTYPE_MAX) | |
451 | return -EINVAL; | |
452 | } | |
453 | ||
454 | drv = cfg80211_get_dev_from_info(info); | |
455 | if (IS_ERR(drv)) | |
456 | return PTR_ERR(drv); | |
457 | ||
458 | if (!drv->ops->add_virtual_intf) { | |
459 | err = -EOPNOTSUPP; | |
460 | goto unlock; | |
461 | } | |
462 | ||
2ec600d6 LCC |
463 | if (type == NL80211_IFTYPE_MESH_POINT && |
464 | info->attrs[NL80211_ATTR_MESH_ID]) { | |
465 | params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); | |
466 | params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
467 | } | |
468 | ||
55682965 | 469 | rtnl_lock(); |
66f7ac50 MW |
470 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
471 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
472 | &flags); | |
55682965 | 473 | err = drv->ops->add_virtual_intf(&drv->wiphy, |
66f7ac50 | 474 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), |
2ec600d6 | 475 | type, err ? NULL : &flags, ¶ms); |
55682965 JB |
476 | rtnl_unlock(); |
477 | ||
2ec600d6 | 478 | |
55682965 JB |
479 | unlock: |
480 | cfg80211_put_dev(drv); | |
481 | return err; | |
482 | } | |
483 | ||
484 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
485 | { | |
486 | struct cfg80211_registered_device *drv; | |
487 | int ifindex, err; | |
488 | struct net_device *dev; | |
489 | ||
bba95fef | 490 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
55682965 JB |
491 | if (err) |
492 | return err; | |
493 | ifindex = dev->ifindex; | |
494 | dev_put(dev); | |
495 | ||
496 | if (!drv->ops->del_virtual_intf) { | |
497 | err = -EOPNOTSUPP; | |
498 | goto out; | |
499 | } | |
500 | ||
501 | rtnl_lock(); | |
502 | err = drv->ops->del_virtual_intf(&drv->wiphy, ifindex); | |
503 | rtnl_unlock(); | |
504 | ||
505 | out: | |
506 | cfg80211_put_dev(drv); | |
507 | return err; | |
508 | } | |
509 | ||
41ade00f JB |
510 | struct get_key_cookie { |
511 | struct sk_buff *msg; | |
512 | int error; | |
513 | }; | |
514 | ||
515 | static void get_key_callback(void *c, struct key_params *params) | |
516 | { | |
517 | struct get_key_cookie *cookie = c; | |
518 | ||
519 | if (params->key) | |
520 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, | |
521 | params->key_len, params->key); | |
522 | ||
523 | if (params->seq) | |
524 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
525 | params->seq_len, params->seq); | |
526 | ||
527 | if (params->cipher) | |
528 | NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
529 | params->cipher); | |
530 | ||
531 | return; | |
532 | nla_put_failure: | |
533 | cookie->error = 1; | |
534 | } | |
535 | ||
536 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
537 | { | |
538 | struct cfg80211_registered_device *drv; | |
539 | int err; | |
540 | struct net_device *dev; | |
541 | u8 key_idx = 0; | |
542 | u8 *mac_addr = NULL; | |
543 | struct get_key_cookie cookie = { | |
544 | .error = 0, | |
545 | }; | |
546 | void *hdr; | |
547 | struct sk_buff *msg; | |
548 | ||
549 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
550 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
551 | ||
552 | if (key_idx > 3) | |
553 | return -EINVAL; | |
554 | ||
555 | if (info->attrs[NL80211_ATTR_MAC]) | |
556 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
557 | ||
bba95fef | 558 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
41ade00f JB |
559 | if (err) |
560 | return err; | |
561 | ||
562 | if (!drv->ops->get_key) { | |
563 | err = -EOPNOTSUPP; | |
564 | goto out; | |
565 | } | |
566 | ||
567 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
568 | if (!msg) { | |
569 | err = -ENOMEM; | |
570 | goto out; | |
571 | } | |
572 | ||
573 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
574 | NL80211_CMD_NEW_KEY); | |
575 | ||
576 | if (IS_ERR(hdr)) { | |
577 | err = PTR_ERR(hdr); | |
578 | goto out; | |
579 | } | |
580 | ||
581 | cookie.msg = msg; | |
582 | ||
583 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
584 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); | |
585 | if (mac_addr) | |
586 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
587 | ||
588 | rtnl_lock(); | |
589 | err = drv->ops->get_key(&drv->wiphy, dev, key_idx, mac_addr, | |
590 | &cookie, get_key_callback); | |
591 | rtnl_unlock(); | |
592 | ||
593 | if (err) | |
594 | goto out; | |
595 | ||
596 | if (cookie.error) | |
597 | goto nla_put_failure; | |
598 | ||
599 | genlmsg_end(msg, hdr); | |
600 | err = genlmsg_unicast(msg, info->snd_pid); | |
601 | goto out; | |
602 | ||
603 | nla_put_failure: | |
604 | err = -ENOBUFS; | |
605 | nlmsg_free(msg); | |
606 | out: | |
607 | cfg80211_put_dev(drv); | |
608 | dev_put(dev); | |
609 | return err; | |
610 | } | |
611 | ||
612 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
613 | { | |
614 | struct cfg80211_registered_device *drv; | |
615 | int err; | |
616 | struct net_device *dev; | |
617 | u8 key_idx; | |
618 | ||
619 | if (!info->attrs[NL80211_ATTR_KEY_IDX]) | |
620 | return -EINVAL; | |
621 | ||
622 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
623 | ||
624 | if (key_idx > 3) | |
625 | return -EINVAL; | |
626 | ||
627 | /* currently only support setting default key */ | |
628 | if (!info->attrs[NL80211_ATTR_KEY_DEFAULT]) | |
629 | return -EINVAL; | |
630 | ||
bba95fef | 631 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
41ade00f JB |
632 | if (err) |
633 | return err; | |
634 | ||
635 | if (!drv->ops->set_default_key) { | |
636 | err = -EOPNOTSUPP; | |
637 | goto out; | |
638 | } | |
639 | ||
640 | rtnl_lock(); | |
641 | err = drv->ops->set_default_key(&drv->wiphy, dev, key_idx); | |
642 | rtnl_unlock(); | |
643 | ||
644 | out: | |
645 | cfg80211_put_dev(drv); | |
646 | dev_put(dev); | |
647 | return err; | |
648 | } | |
649 | ||
650 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
651 | { | |
652 | struct cfg80211_registered_device *drv; | |
653 | int err; | |
654 | struct net_device *dev; | |
655 | struct key_params params; | |
656 | u8 key_idx = 0; | |
657 | u8 *mac_addr = NULL; | |
658 | ||
659 | memset(¶ms, 0, sizeof(params)); | |
660 | ||
661 | if (!info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
662 | return -EINVAL; | |
663 | ||
664 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
665 | params.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
666 | params.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
667 | } | |
668 | ||
669 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
670 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
671 | ||
672 | params.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
673 | ||
674 | if (info->attrs[NL80211_ATTR_MAC]) | |
675 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
676 | ||
677 | if (key_idx > 3) | |
678 | return -EINVAL; | |
679 | ||
680 | /* | |
681 | * Disallow pairwise keys with non-zero index unless it's WEP | |
682 | * (because current deployments use pairwise WEP keys with | |
683 | * non-zero indizes but 802.11i clearly specifies to use zero) | |
684 | */ | |
685 | if (mac_addr && key_idx && | |
686 | params.cipher != WLAN_CIPHER_SUITE_WEP40 && | |
687 | params.cipher != WLAN_CIPHER_SUITE_WEP104) | |
688 | return -EINVAL; | |
689 | ||
690 | /* TODO: add definitions for the lengths to linux/ieee80211.h */ | |
691 | switch (params.cipher) { | |
692 | case WLAN_CIPHER_SUITE_WEP40: | |
693 | if (params.key_len != 5) | |
694 | return -EINVAL; | |
695 | break; | |
696 | case WLAN_CIPHER_SUITE_TKIP: | |
697 | if (params.key_len != 32) | |
698 | return -EINVAL; | |
699 | break; | |
700 | case WLAN_CIPHER_SUITE_CCMP: | |
701 | if (params.key_len != 16) | |
702 | return -EINVAL; | |
703 | break; | |
704 | case WLAN_CIPHER_SUITE_WEP104: | |
705 | if (params.key_len != 13) | |
706 | return -EINVAL; | |
707 | break; | |
708 | default: | |
709 | return -EINVAL; | |
710 | } | |
711 | ||
bba95fef | 712 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
41ade00f JB |
713 | if (err) |
714 | return err; | |
715 | ||
716 | if (!drv->ops->add_key) { | |
717 | err = -EOPNOTSUPP; | |
718 | goto out; | |
719 | } | |
720 | ||
721 | rtnl_lock(); | |
722 | err = drv->ops->add_key(&drv->wiphy, dev, key_idx, mac_addr, ¶ms); | |
723 | rtnl_unlock(); | |
724 | ||
725 | out: | |
726 | cfg80211_put_dev(drv); | |
727 | dev_put(dev); | |
728 | return err; | |
729 | } | |
730 | ||
731 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
732 | { | |
733 | struct cfg80211_registered_device *drv; | |
734 | int err; | |
735 | struct net_device *dev; | |
736 | u8 key_idx = 0; | |
737 | u8 *mac_addr = NULL; | |
738 | ||
739 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
740 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
741 | ||
742 | if (key_idx > 3) | |
743 | return -EINVAL; | |
744 | ||
745 | if (info->attrs[NL80211_ATTR_MAC]) | |
746 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
747 | ||
bba95fef | 748 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
41ade00f JB |
749 | if (err) |
750 | return err; | |
751 | ||
752 | if (!drv->ops->del_key) { | |
753 | err = -EOPNOTSUPP; | |
754 | goto out; | |
755 | } | |
756 | ||
757 | rtnl_lock(); | |
758 | err = drv->ops->del_key(&drv->wiphy, dev, key_idx, mac_addr); | |
759 | rtnl_unlock(); | |
760 | ||
761 | out: | |
762 | cfg80211_put_dev(drv); | |
763 | dev_put(dev); | |
764 | return err; | |
765 | } | |
766 | ||
ed1b6cc7 JB |
767 | static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) |
768 | { | |
769 | int (*call)(struct wiphy *wiphy, struct net_device *dev, | |
770 | struct beacon_parameters *info); | |
771 | struct cfg80211_registered_device *drv; | |
772 | int err; | |
773 | struct net_device *dev; | |
774 | struct beacon_parameters params; | |
775 | int haveinfo = 0; | |
776 | ||
bba95fef | 777 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
ed1b6cc7 JB |
778 | if (err) |
779 | return err; | |
780 | ||
781 | switch (info->genlhdr->cmd) { | |
782 | case NL80211_CMD_NEW_BEACON: | |
783 | /* these are required for NEW_BEACON */ | |
784 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
785 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
786 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) { | |
787 | err = -EINVAL; | |
788 | goto out; | |
789 | } | |
790 | ||
791 | call = drv->ops->add_beacon; | |
792 | break; | |
793 | case NL80211_CMD_SET_BEACON: | |
794 | call = drv->ops->set_beacon; | |
795 | break; | |
796 | default: | |
797 | WARN_ON(1); | |
798 | err = -EOPNOTSUPP; | |
799 | goto out; | |
800 | } | |
801 | ||
802 | if (!call) { | |
803 | err = -EOPNOTSUPP; | |
804 | goto out; | |
805 | } | |
806 | ||
807 | memset(¶ms, 0, sizeof(params)); | |
808 | ||
809 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
810 | params.interval = | |
811 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
812 | haveinfo = 1; | |
813 | } | |
814 | ||
815 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
816 | params.dtim_period = | |
817 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
818 | haveinfo = 1; | |
819 | } | |
820 | ||
821 | if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { | |
822 | params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
823 | params.head_len = | |
824 | nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
825 | haveinfo = 1; | |
826 | } | |
827 | ||
828 | if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { | |
829 | params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
830 | params.tail_len = | |
831 | nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
832 | haveinfo = 1; | |
833 | } | |
834 | ||
835 | if (!haveinfo) { | |
836 | err = -EINVAL; | |
837 | goto out; | |
838 | } | |
839 | ||
840 | rtnl_lock(); | |
841 | err = call(&drv->wiphy, dev, ¶ms); | |
842 | rtnl_unlock(); | |
843 | ||
844 | out: | |
845 | cfg80211_put_dev(drv); | |
846 | dev_put(dev); | |
847 | return err; | |
848 | } | |
849 | ||
850 | static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) | |
851 | { | |
852 | struct cfg80211_registered_device *drv; | |
853 | int err; | |
854 | struct net_device *dev; | |
855 | ||
bba95fef | 856 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
ed1b6cc7 JB |
857 | if (err) |
858 | return err; | |
859 | ||
860 | if (!drv->ops->del_beacon) { | |
861 | err = -EOPNOTSUPP; | |
862 | goto out; | |
863 | } | |
864 | ||
865 | rtnl_lock(); | |
866 | err = drv->ops->del_beacon(&drv->wiphy, dev); | |
867 | rtnl_unlock(); | |
868 | ||
869 | out: | |
870 | cfg80211_put_dev(drv); | |
871 | dev_put(dev); | |
872 | return err; | |
873 | } | |
874 | ||
5727ef1b JB |
875 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
876 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
877 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
878 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
879 | }; | |
880 | ||
881 | static int parse_station_flags(struct nlattr *nla, u32 *staflags) | |
882 | { | |
883 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
884 | int flag; | |
885 | ||
886 | *staflags = 0; | |
887 | ||
888 | if (!nla) | |
889 | return 0; | |
890 | ||
891 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
892 | nla, sta_flags_policy)) | |
893 | return -EINVAL; | |
894 | ||
895 | *staflags = STATION_FLAG_CHANGED; | |
896 | ||
897 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) | |
898 | if (flags[flag]) | |
899 | *staflags |= (1<<flag); | |
900 | ||
901 | return 0; | |
902 | } | |
903 | ||
fd5b74dc JB |
904 | static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, |
905 | int flags, struct net_device *dev, | |
2ec600d6 | 906 | u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
907 | { |
908 | void *hdr; | |
2ec600d6 | 909 | struct nlattr *sinfoattr; |
fd5b74dc JB |
910 | |
911 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
912 | if (!hdr) | |
913 | return -1; | |
914 | ||
915 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
916 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
917 | ||
2ec600d6 LCC |
918 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
919 | if (!sinfoattr) | |
fd5b74dc | 920 | goto nla_put_failure; |
2ec600d6 LCC |
921 | if (sinfo->filled & STATION_INFO_INACTIVE_TIME) |
922 | NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
923 | sinfo->inactive_time); | |
924 | if (sinfo->filled & STATION_INFO_RX_BYTES) | |
925 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES, | |
926 | sinfo->rx_bytes); | |
927 | if (sinfo->filled & STATION_INFO_TX_BYTES) | |
928 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES, | |
929 | sinfo->tx_bytes); | |
930 | if (sinfo->filled & STATION_INFO_LLID) | |
931 | NLA_PUT_U16(msg, NL80211_STA_INFO_LLID, | |
932 | sinfo->llid); | |
933 | if (sinfo->filled & STATION_INFO_PLID) | |
934 | NLA_PUT_U16(msg, NL80211_STA_INFO_PLID, | |
935 | sinfo->plid); | |
936 | if (sinfo->filled & STATION_INFO_PLINK_STATE) | |
937 | NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE, | |
938 | sinfo->plink_state); | |
939 | ||
940 | nla_nest_end(msg, sinfoattr); | |
fd5b74dc JB |
941 | |
942 | return genlmsg_end(msg, hdr); | |
943 | ||
944 | nla_put_failure: | |
bc3ed28c TG |
945 | genlmsg_cancel(msg, hdr); |
946 | return -EMSGSIZE; | |
fd5b74dc JB |
947 | } |
948 | ||
2ec600d6 | 949 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 950 | struct netlink_callback *cb) |
2ec600d6 | 951 | { |
2ec600d6 LCC |
952 | struct station_info sinfo; |
953 | struct cfg80211_registered_device *dev; | |
bba95fef | 954 | struct net_device *netdev; |
2ec600d6 | 955 | u8 mac_addr[ETH_ALEN]; |
bba95fef JB |
956 | int ifidx = cb->args[0]; |
957 | int sta_idx = cb->args[1]; | |
2ec600d6 | 958 | int err; |
2ec600d6 | 959 | |
bba95fef JB |
960 | if (!ifidx) { |
961 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
962 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
963 | nl80211_policy); | |
964 | if (err) | |
965 | return err; | |
2ec600d6 | 966 | |
bba95fef JB |
967 | if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) |
968 | return -EINVAL; | |
2ec600d6 | 969 | |
bba95fef JB |
970 | ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); |
971 | if (!ifidx) | |
972 | return -EINVAL; | |
2ec600d6 | 973 | } |
2ec600d6 | 974 | |
bba95fef JB |
975 | netdev = dev_get_by_index(&init_net, ifidx); |
976 | if (!netdev) | |
977 | return -ENODEV; | |
2ec600d6 | 978 | |
bba95fef JB |
979 | dev = cfg80211_get_dev_from_ifindex(ifidx); |
980 | if (IS_ERR(dev)) { | |
981 | err = PTR_ERR(dev); | |
982 | goto out_put_netdev; | |
983 | } | |
984 | ||
985 | if (!dev->ops->dump_station) { | |
986 | err = -ENOSYS; | |
987 | goto out_err; | |
988 | } | |
989 | ||
990 | rtnl_lock(); | |
991 | ||
992 | while (1) { | |
993 | err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx, | |
994 | mac_addr, &sinfo); | |
995 | if (err == -ENOENT) | |
996 | break; | |
997 | if (err) | |
998 | goto out_err_rtnl; | |
999 | ||
1000 | if (nl80211_send_station(skb, | |
1001 | NETLINK_CB(cb->skb).pid, | |
1002 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
1003 | netdev, mac_addr, | |
1004 | &sinfo) < 0) | |
1005 | goto out; | |
1006 | ||
1007 | sta_idx++; | |
1008 | } | |
1009 | ||
1010 | ||
1011 | out: | |
1012 | cb->args[1] = sta_idx; | |
1013 | err = skb->len; | |
1014 | out_err_rtnl: | |
1015 | rtnl_unlock(); | |
1016 | out_err: | |
1017 | cfg80211_put_dev(dev); | |
1018 | out_put_netdev: | |
1019 | dev_put(netdev); | |
1020 | ||
1021 | return err; | |
2ec600d6 | 1022 | } |
fd5b74dc | 1023 | |
5727ef1b JB |
1024 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
1025 | { | |
fd5b74dc JB |
1026 | struct cfg80211_registered_device *drv; |
1027 | int err; | |
1028 | struct net_device *dev; | |
2ec600d6 | 1029 | struct station_info sinfo; |
fd5b74dc JB |
1030 | struct sk_buff *msg; |
1031 | u8 *mac_addr = NULL; | |
1032 | ||
2ec600d6 | 1033 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
1034 | |
1035 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1036 | return -EINVAL; | |
1037 | ||
1038 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1039 | ||
bba95fef | 1040 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
fd5b74dc JB |
1041 | if (err) |
1042 | return err; | |
1043 | ||
1044 | if (!drv->ops->get_station) { | |
1045 | err = -EOPNOTSUPP; | |
1046 | goto out; | |
1047 | } | |
1048 | ||
1049 | rtnl_lock(); | |
2ec600d6 | 1050 | err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &sinfo); |
fd5b74dc JB |
1051 | rtnl_unlock(); |
1052 | ||
2ec600d6 LCC |
1053 | if (err) |
1054 | goto out; | |
1055 | ||
fd5b74dc JB |
1056 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); |
1057 | if (!msg) | |
1058 | goto out; | |
1059 | ||
1060 | if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, | |
2ec600d6 | 1061 | dev, mac_addr, &sinfo) < 0) |
fd5b74dc JB |
1062 | goto out_free; |
1063 | ||
1064 | err = genlmsg_unicast(msg, info->snd_pid); | |
1065 | goto out; | |
1066 | ||
1067 | out_free: | |
1068 | nlmsg_free(msg); | |
1069 | ||
1070 | out: | |
1071 | cfg80211_put_dev(drv); | |
1072 | dev_put(dev); | |
1073 | return err; | |
5727ef1b JB |
1074 | } |
1075 | ||
1076 | /* | |
1077 | * Get vlan interface making sure it is on the right wiphy. | |
1078 | */ | |
1079 | static int get_vlan(struct nlattr *vlanattr, | |
1080 | struct cfg80211_registered_device *rdev, | |
1081 | struct net_device **vlan) | |
1082 | { | |
1083 | *vlan = NULL; | |
1084 | ||
1085 | if (vlanattr) { | |
1086 | *vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr)); | |
1087 | if (!*vlan) | |
1088 | return -ENODEV; | |
1089 | if (!(*vlan)->ieee80211_ptr) | |
1090 | return -EINVAL; | |
1091 | if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy) | |
1092 | return -EINVAL; | |
1093 | } | |
1094 | return 0; | |
1095 | } | |
1096 | ||
1097 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) | |
1098 | { | |
1099 | struct cfg80211_registered_device *drv; | |
1100 | int err; | |
1101 | struct net_device *dev; | |
1102 | struct station_parameters params; | |
1103 | u8 *mac_addr = NULL; | |
1104 | ||
1105 | memset(¶ms, 0, sizeof(params)); | |
1106 | ||
1107 | params.listen_interval = -1; | |
1108 | ||
1109 | if (info->attrs[NL80211_ATTR_STA_AID]) | |
1110 | return -EINVAL; | |
1111 | ||
1112 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1113 | return -EINVAL; | |
1114 | ||
1115 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1116 | ||
1117 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
1118 | params.supported_rates = | |
1119 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
1120 | params.supported_rates_len = | |
1121 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
1122 | } | |
1123 | ||
1124 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
1125 | params.listen_interval = | |
1126 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
1127 | ||
1128 | if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS], | |
1129 | ¶ms.station_flags)) | |
1130 | return -EINVAL; | |
1131 | ||
2ec600d6 LCC |
1132 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
1133 | params.plink_action = | |
1134 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
1135 | ||
bba95fef | 1136 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
5727ef1b JB |
1137 | if (err) |
1138 | return err; | |
1139 | ||
1140 | err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan); | |
1141 | if (err) | |
1142 | goto out; | |
1143 | ||
1144 | if (!drv->ops->change_station) { | |
1145 | err = -EOPNOTSUPP; | |
1146 | goto out; | |
1147 | } | |
1148 | ||
1149 | rtnl_lock(); | |
1150 | err = drv->ops->change_station(&drv->wiphy, dev, mac_addr, ¶ms); | |
1151 | rtnl_unlock(); | |
1152 | ||
1153 | out: | |
1154 | if (params.vlan) | |
1155 | dev_put(params.vlan); | |
1156 | cfg80211_put_dev(drv); | |
1157 | dev_put(dev); | |
1158 | return err; | |
1159 | } | |
1160 | ||
1161 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
1162 | { | |
1163 | struct cfg80211_registered_device *drv; | |
1164 | int err; | |
1165 | struct net_device *dev; | |
1166 | struct station_parameters params; | |
1167 | u8 *mac_addr = NULL; | |
1168 | ||
1169 | memset(¶ms, 0, sizeof(params)); | |
1170 | ||
1171 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1172 | return -EINVAL; | |
1173 | ||
1174 | if (!info->attrs[NL80211_ATTR_STA_AID]) | |
1175 | return -EINVAL; | |
1176 | ||
1177 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
1178 | return -EINVAL; | |
1179 | ||
1180 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
1181 | return -EINVAL; | |
1182 | ||
1183 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1184 | params.supported_rates = | |
1185 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
1186 | params.supported_rates_len = | |
1187 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
1188 | params.listen_interval = | |
1189 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
16f2e85d | 1190 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); |
5727ef1b JB |
1191 | |
1192 | if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS], | |
1193 | ¶ms.station_flags)) | |
1194 | return -EINVAL; | |
1195 | ||
bba95fef | 1196 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
5727ef1b JB |
1197 | if (err) |
1198 | return err; | |
1199 | ||
1200 | err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan); | |
1201 | if (err) | |
1202 | goto out; | |
1203 | ||
1204 | if (!drv->ops->add_station) { | |
1205 | err = -EOPNOTSUPP; | |
1206 | goto out; | |
1207 | } | |
1208 | ||
1209 | rtnl_lock(); | |
1210 | err = drv->ops->add_station(&drv->wiphy, dev, mac_addr, ¶ms); | |
1211 | rtnl_unlock(); | |
1212 | ||
1213 | out: | |
1214 | if (params.vlan) | |
1215 | dev_put(params.vlan); | |
1216 | cfg80211_put_dev(drv); | |
1217 | dev_put(dev); | |
1218 | return err; | |
1219 | } | |
1220 | ||
1221 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
1222 | { | |
1223 | struct cfg80211_registered_device *drv; | |
1224 | int err; | |
1225 | struct net_device *dev; | |
1226 | u8 *mac_addr = NULL; | |
1227 | ||
1228 | if (info->attrs[NL80211_ATTR_MAC]) | |
1229 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1230 | ||
bba95fef | 1231 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
5727ef1b JB |
1232 | if (err) |
1233 | return err; | |
1234 | ||
1235 | if (!drv->ops->del_station) { | |
1236 | err = -EOPNOTSUPP; | |
1237 | goto out; | |
1238 | } | |
1239 | ||
1240 | rtnl_lock(); | |
1241 | err = drv->ops->del_station(&drv->wiphy, dev, mac_addr); | |
1242 | rtnl_unlock(); | |
1243 | ||
1244 | out: | |
1245 | cfg80211_put_dev(drv); | |
1246 | dev_put(dev); | |
1247 | return err; | |
1248 | } | |
1249 | ||
2ec600d6 LCC |
1250 | static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, |
1251 | int flags, struct net_device *dev, | |
1252 | u8 *dst, u8 *next_hop, | |
1253 | struct mpath_info *pinfo) | |
1254 | { | |
1255 | void *hdr; | |
1256 | struct nlattr *pinfoattr; | |
1257 | ||
1258 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
1259 | if (!hdr) | |
1260 | return -1; | |
1261 | ||
1262 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
1263 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); | |
1264 | NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop); | |
1265 | ||
1266 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); | |
1267 | if (!pinfoattr) | |
1268 | goto nla_put_failure; | |
1269 | if (pinfo->filled & MPATH_INFO_FRAME_QLEN) | |
1270 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
1271 | pinfo->frame_qlen); | |
1272 | if (pinfo->filled & MPATH_INFO_DSN) | |
1273 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_DSN, | |
1274 | pinfo->dsn); | |
1275 | if (pinfo->filled & MPATH_INFO_METRIC) | |
1276 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC, | |
1277 | pinfo->metric); | |
1278 | if (pinfo->filled & MPATH_INFO_EXPTIME) | |
1279 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME, | |
1280 | pinfo->exptime); | |
1281 | if (pinfo->filled & MPATH_INFO_FLAGS) | |
1282 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS, | |
1283 | pinfo->flags); | |
1284 | if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) | |
1285 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
1286 | pinfo->discovery_timeout); | |
1287 | if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) | |
1288 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
1289 | pinfo->discovery_retries); | |
1290 | ||
1291 | nla_nest_end(msg, pinfoattr); | |
1292 | ||
1293 | return genlmsg_end(msg, hdr); | |
1294 | ||
1295 | nla_put_failure: | |
bc3ed28c TG |
1296 | genlmsg_cancel(msg, hdr); |
1297 | return -EMSGSIZE; | |
2ec600d6 LCC |
1298 | } |
1299 | ||
1300 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 1301 | struct netlink_callback *cb) |
2ec600d6 | 1302 | { |
2ec600d6 LCC |
1303 | struct mpath_info pinfo; |
1304 | struct cfg80211_registered_device *dev; | |
bba95fef | 1305 | struct net_device *netdev; |
2ec600d6 LCC |
1306 | u8 dst[ETH_ALEN]; |
1307 | u8 next_hop[ETH_ALEN]; | |
bba95fef JB |
1308 | int ifidx = cb->args[0]; |
1309 | int path_idx = cb->args[1]; | |
2ec600d6 | 1310 | int err; |
2ec600d6 | 1311 | |
bba95fef JB |
1312 | if (!ifidx) { |
1313 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1314 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
1315 | nl80211_policy); | |
1316 | if (err) | |
1317 | return err; | |
1318 | ||
1319 | if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) | |
1320 | return -EINVAL; | |
1321 | ||
1322 | ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); | |
1323 | if (!ifidx) | |
1324 | return -EINVAL; | |
1325 | } | |
1326 | ||
1327 | netdev = dev_get_by_index(&init_net, ifidx); | |
1328 | if (!netdev) | |
1329 | return -ENODEV; | |
1330 | ||
1331 | dev = cfg80211_get_dev_from_ifindex(ifidx); | |
1332 | if (IS_ERR(dev)) { | |
1333 | err = PTR_ERR(dev); | |
1334 | goto out_put_netdev; | |
1335 | } | |
1336 | ||
1337 | if (!dev->ops->dump_mpath) { | |
1338 | err = -ENOSYS; | |
1339 | goto out_err; | |
1340 | } | |
1341 | ||
1342 | rtnl_lock(); | |
1343 | ||
1344 | while (1) { | |
1345 | err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx, | |
1346 | dst, next_hop, &pinfo); | |
1347 | if (err == -ENOENT) | |
2ec600d6 | 1348 | break; |
bba95fef JB |
1349 | if (err) |
1350 | goto out_err_rtnl; | |
2ec600d6 | 1351 | |
bba95fef JB |
1352 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, |
1353 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
1354 | netdev, dst, next_hop, | |
1355 | &pinfo) < 0) | |
1356 | goto out; | |
2ec600d6 | 1357 | |
bba95fef | 1358 | path_idx++; |
2ec600d6 | 1359 | } |
2ec600d6 | 1360 | |
2ec600d6 | 1361 | |
bba95fef JB |
1362 | out: |
1363 | cb->args[1] = path_idx; | |
1364 | err = skb->len; | |
1365 | out_err_rtnl: | |
1366 | rtnl_unlock(); | |
1367 | out_err: | |
1368 | cfg80211_put_dev(dev); | |
1369 | out_put_netdev: | |
1370 | dev_put(netdev); | |
1371 | ||
1372 | return err; | |
2ec600d6 LCC |
1373 | } |
1374 | ||
1375 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
1376 | { | |
1377 | struct cfg80211_registered_device *drv; | |
1378 | int err; | |
1379 | struct net_device *dev; | |
1380 | struct mpath_info pinfo; | |
1381 | struct sk_buff *msg; | |
1382 | u8 *dst = NULL; | |
1383 | u8 next_hop[ETH_ALEN]; | |
1384 | ||
1385 | memset(&pinfo, 0, sizeof(pinfo)); | |
1386 | ||
1387 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1388 | return -EINVAL; | |
1389 | ||
1390 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1391 | ||
bba95fef | 1392 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
2ec600d6 LCC |
1393 | if (err) |
1394 | return err; | |
1395 | ||
1396 | if (!drv->ops->get_mpath) { | |
1397 | err = -EOPNOTSUPP; | |
1398 | goto out; | |
1399 | } | |
1400 | ||
1401 | rtnl_lock(); | |
1402 | err = drv->ops->get_mpath(&drv->wiphy, dev, dst, next_hop, &pinfo); | |
1403 | rtnl_unlock(); | |
1404 | ||
1405 | if (err) | |
1406 | goto out; | |
1407 | ||
1408 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
1409 | if (!msg) | |
1410 | goto out; | |
1411 | ||
1412 | if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, | |
1413 | dev, dst, next_hop, &pinfo) < 0) | |
1414 | goto out_free; | |
1415 | ||
1416 | err = genlmsg_unicast(msg, info->snd_pid); | |
1417 | goto out; | |
1418 | ||
1419 | out_free: | |
1420 | nlmsg_free(msg); | |
1421 | ||
1422 | out: | |
1423 | cfg80211_put_dev(drv); | |
1424 | dev_put(dev); | |
1425 | return err; | |
1426 | } | |
1427 | ||
1428 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
1429 | { | |
1430 | struct cfg80211_registered_device *drv; | |
1431 | int err; | |
1432 | struct net_device *dev; | |
1433 | u8 *dst = NULL; | |
1434 | u8 *next_hop = NULL; | |
1435 | ||
1436 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1437 | return -EINVAL; | |
1438 | ||
1439 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
1440 | return -EINVAL; | |
1441 | ||
1442 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1443 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
1444 | ||
bba95fef | 1445 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
2ec600d6 LCC |
1446 | if (err) |
1447 | return err; | |
1448 | ||
1449 | if (!drv->ops->change_mpath) { | |
1450 | err = -EOPNOTSUPP; | |
1451 | goto out; | |
1452 | } | |
1453 | ||
1454 | rtnl_lock(); | |
1455 | err = drv->ops->change_mpath(&drv->wiphy, dev, dst, next_hop); | |
1456 | rtnl_unlock(); | |
1457 | ||
1458 | out: | |
1459 | cfg80211_put_dev(drv); | |
1460 | dev_put(dev); | |
1461 | return err; | |
1462 | } | |
1463 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) | |
1464 | { | |
1465 | struct cfg80211_registered_device *drv; | |
1466 | int err; | |
1467 | struct net_device *dev; | |
1468 | u8 *dst = NULL; | |
1469 | u8 *next_hop = NULL; | |
1470 | ||
1471 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1472 | return -EINVAL; | |
1473 | ||
1474 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
1475 | return -EINVAL; | |
1476 | ||
1477 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1478 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
1479 | ||
bba95fef | 1480 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
2ec600d6 LCC |
1481 | if (err) |
1482 | return err; | |
1483 | ||
1484 | if (!drv->ops->add_mpath) { | |
1485 | err = -EOPNOTSUPP; | |
1486 | goto out; | |
1487 | } | |
1488 | ||
1489 | rtnl_lock(); | |
1490 | err = drv->ops->add_mpath(&drv->wiphy, dev, dst, next_hop); | |
1491 | rtnl_unlock(); | |
1492 | ||
1493 | out: | |
1494 | cfg80211_put_dev(drv); | |
1495 | dev_put(dev); | |
1496 | return err; | |
1497 | } | |
1498 | ||
1499 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
1500 | { | |
1501 | struct cfg80211_registered_device *drv; | |
1502 | int err; | |
1503 | struct net_device *dev; | |
1504 | u8 *dst = NULL; | |
1505 | ||
1506 | if (info->attrs[NL80211_ATTR_MAC]) | |
1507 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1508 | ||
bba95fef | 1509 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
2ec600d6 LCC |
1510 | if (err) |
1511 | return err; | |
1512 | ||
1513 | if (!drv->ops->del_mpath) { | |
1514 | err = -EOPNOTSUPP; | |
1515 | goto out; | |
1516 | } | |
1517 | ||
1518 | rtnl_lock(); | |
1519 | err = drv->ops->del_mpath(&drv->wiphy, dev, dst); | |
1520 | rtnl_unlock(); | |
1521 | ||
1522 | out: | |
1523 | cfg80211_put_dev(drv); | |
1524 | dev_put(dev); | |
1525 | return err; | |
1526 | } | |
1527 | ||
55682965 JB |
1528 | static struct genl_ops nl80211_ops[] = { |
1529 | { | |
1530 | .cmd = NL80211_CMD_GET_WIPHY, | |
1531 | .doit = nl80211_get_wiphy, | |
1532 | .dumpit = nl80211_dump_wiphy, | |
1533 | .policy = nl80211_policy, | |
1534 | /* can be retrieved by unprivileged users */ | |
1535 | }, | |
1536 | { | |
1537 | .cmd = NL80211_CMD_SET_WIPHY, | |
1538 | .doit = nl80211_set_wiphy, | |
1539 | .policy = nl80211_policy, | |
1540 | .flags = GENL_ADMIN_PERM, | |
1541 | }, | |
1542 | { | |
1543 | .cmd = NL80211_CMD_GET_INTERFACE, | |
1544 | .doit = nl80211_get_interface, | |
1545 | .dumpit = nl80211_dump_interface, | |
1546 | .policy = nl80211_policy, | |
1547 | /* can be retrieved by unprivileged users */ | |
1548 | }, | |
1549 | { | |
1550 | .cmd = NL80211_CMD_SET_INTERFACE, | |
1551 | .doit = nl80211_set_interface, | |
1552 | .policy = nl80211_policy, | |
1553 | .flags = GENL_ADMIN_PERM, | |
1554 | }, | |
1555 | { | |
1556 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
1557 | .doit = nl80211_new_interface, | |
1558 | .policy = nl80211_policy, | |
1559 | .flags = GENL_ADMIN_PERM, | |
1560 | }, | |
1561 | { | |
1562 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
1563 | .doit = nl80211_del_interface, | |
1564 | .policy = nl80211_policy, | |
41ade00f JB |
1565 | .flags = GENL_ADMIN_PERM, |
1566 | }, | |
1567 | { | |
1568 | .cmd = NL80211_CMD_GET_KEY, | |
1569 | .doit = nl80211_get_key, | |
1570 | .policy = nl80211_policy, | |
1571 | .flags = GENL_ADMIN_PERM, | |
1572 | }, | |
1573 | { | |
1574 | .cmd = NL80211_CMD_SET_KEY, | |
1575 | .doit = nl80211_set_key, | |
1576 | .policy = nl80211_policy, | |
1577 | .flags = GENL_ADMIN_PERM, | |
1578 | }, | |
1579 | { | |
1580 | .cmd = NL80211_CMD_NEW_KEY, | |
1581 | .doit = nl80211_new_key, | |
1582 | .policy = nl80211_policy, | |
1583 | .flags = GENL_ADMIN_PERM, | |
1584 | }, | |
1585 | { | |
1586 | .cmd = NL80211_CMD_DEL_KEY, | |
1587 | .doit = nl80211_del_key, | |
1588 | .policy = nl80211_policy, | |
55682965 JB |
1589 | .flags = GENL_ADMIN_PERM, |
1590 | }, | |
ed1b6cc7 JB |
1591 | { |
1592 | .cmd = NL80211_CMD_SET_BEACON, | |
1593 | .policy = nl80211_policy, | |
1594 | .flags = GENL_ADMIN_PERM, | |
1595 | .doit = nl80211_addset_beacon, | |
1596 | }, | |
1597 | { | |
1598 | .cmd = NL80211_CMD_NEW_BEACON, | |
1599 | .policy = nl80211_policy, | |
1600 | .flags = GENL_ADMIN_PERM, | |
1601 | .doit = nl80211_addset_beacon, | |
1602 | }, | |
1603 | { | |
1604 | .cmd = NL80211_CMD_DEL_BEACON, | |
1605 | .policy = nl80211_policy, | |
1606 | .flags = GENL_ADMIN_PERM, | |
1607 | .doit = nl80211_del_beacon, | |
1608 | }, | |
5727ef1b JB |
1609 | { |
1610 | .cmd = NL80211_CMD_GET_STATION, | |
1611 | .doit = nl80211_get_station, | |
2ec600d6 | 1612 | .dumpit = nl80211_dump_station, |
5727ef1b JB |
1613 | .policy = nl80211_policy, |
1614 | .flags = GENL_ADMIN_PERM, | |
1615 | }, | |
1616 | { | |
1617 | .cmd = NL80211_CMD_SET_STATION, | |
1618 | .doit = nl80211_set_station, | |
1619 | .policy = nl80211_policy, | |
1620 | .flags = GENL_ADMIN_PERM, | |
1621 | }, | |
1622 | { | |
1623 | .cmd = NL80211_CMD_NEW_STATION, | |
1624 | .doit = nl80211_new_station, | |
1625 | .policy = nl80211_policy, | |
1626 | .flags = GENL_ADMIN_PERM, | |
1627 | }, | |
1628 | { | |
1629 | .cmd = NL80211_CMD_DEL_STATION, | |
1630 | .doit = nl80211_del_station, | |
1631 | .policy = nl80211_policy, | |
2ec600d6 LCC |
1632 | .flags = GENL_ADMIN_PERM, |
1633 | }, | |
1634 | { | |
1635 | .cmd = NL80211_CMD_GET_MPATH, | |
1636 | .doit = nl80211_get_mpath, | |
1637 | .dumpit = nl80211_dump_mpath, | |
1638 | .policy = nl80211_policy, | |
1639 | .flags = GENL_ADMIN_PERM, | |
1640 | }, | |
1641 | { | |
1642 | .cmd = NL80211_CMD_SET_MPATH, | |
1643 | .doit = nl80211_set_mpath, | |
1644 | .policy = nl80211_policy, | |
1645 | .flags = GENL_ADMIN_PERM, | |
1646 | }, | |
1647 | { | |
1648 | .cmd = NL80211_CMD_NEW_MPATH, | |
1649 | .doit = nl80211_new_mpath, | |
1650 | .policy = nl80211_policy, | |
1651 | .flags = GENL_ADMIN_PERM, | |
1652 | }, | |
1653 | { | |
1654 | .cmd = NL80211_CMD_DEL_MPATH, | |
1655 | .doit = nl80211_del_mpath, | |
1656 | .policy = nl80211_policy, | |
5727ef1b JB |
1657 | .flags = GENL_ADMIN_PERM, |
1658 | }, | |
55682965 JB |
1659 | }; |
1660 | ||
1661 | /* multicast groups */ | |
1662 | static struct genl_multicast_group nl80211_config_mcgrp = { | |
1663 | .name = "config", | |
1664 | }; | |
1665 | ||
1666 | /* notification functions */ | |
1667 | ||
1668 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
1669 | { | |
1670 | struct sk_buff *msg; | |
1671 | ||
1672 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
1673 | if (!msg) | |
1674 | return; | |
1675 | ||
1676 | if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) { | |
1677 | nlmsg_free(msg); | |
1678 | return; | |
1679 | } | |
1680 | ||
1681 | genlmsg_multicast(msg, 0, nl80211_config_mcgrp.id, GFP_KERNEL); | |
1682 | } | |
1683 | ||
1684 | /* initialisation/exit functions */ | |
1685 | ||
1686 | int nl80211_init(void) | |
1687 | { | |
1688 | int err, i; | |
1689 | ||
1690 | err = genl_register_family(&nl80211_fam); | |
1691 | if (err) | |
1692 | return err; | |
1693 | ||
1694 | for (i = 0; i < ARRAY_SIZE(nl80211_ops); i++) { | |
1695 | err = genl_register_ops(&nl80211_fam, &nl80211_ops[i]); | |
1696 | if (err) | |
1697 | goto err_out; | |
1698 | } | |
1699 | ||
1700 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); | |
1701 | if (err) | |
1702 | goto err_out; | |
1703 | ||
1704 | return 0; | |
1705 | err_out: | |
1706 | genl_unregister_family(&nl80211_fam); | |
1707 | return err; | |
1708 | } | |
1709 | ||
1710 | void nl80211_exit(void) | |
1711 | { | |
1712 | genl_unregister_family(&nl80211_fam); | |
1713 | } |