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Commit | Line | Data |
---|---|---|
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" | |
b2e1b302 | 21 | #include "reg.h" |
55682965 JB |
22 | |
23 | /* the netlink family */ | |
24 | static struct genl_family nl80211_fam = { | |
25 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ | |
26 | .name = "nl80211", /* have users key off the name instead */ | |
27 | .hdrsize = 0, /* no private header */ | |
28 | .version = 1, /* no particular meaning now */ | |
29 | .maxattr = NL80211_ATTR_MAX, | |
30 | }; | |
31 | ||
32 | /* internal helper: get drv and dev */ | |
bba95fef | 33 | static int get_drv_dev_by_info_ifindex(struct nlattr **attrs, |
55682965 JB |
34 | struct cfg80211_registered_device **drv, |
35 | struct net_device **dev) | |
36 | { | |
37 | int ifindex; | |
38 | ||
bba95fef | 39 | if (!attrs[NL80211_ATTR_IFINDEX]) |
55682965 JB |
40 | return -EINVAL; |
41 | ||
bba95fef | 42 | ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); |
55682965 JB |
43 | *dev = dev_get_by_index(&init_net, ifindex); |
44 | if (!*dev) | |
45 | return -ENODEV; | |
46 | ||
47 | *drv = cfg80211_get_dev_from_ifindex(ifindex); | |
48 | if (IS_ERR(*drv)) { | |
49 | dev_put(*dev); | |
50 | return PTR_ERR(*drv); | |
51 | } | |
52 | ||
53 | return 0; | |
54 | } | |
55 | ||
56 | /* policy for the attributes */ | |
57 | static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = { | |
58 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, | |
59 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
60 | .len = BUS_ID_SIZE-1 }, | |
61 | ||
62 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
63 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
64 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f JB |
65 | |
66 | [NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN }, | |
67 | ||
68 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, | |
69 | .len = WLAN_MAX_KEY_LEN }, | |
70 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
71 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
72 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
ed1b6cc7 JB |
73 | |
74 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
75 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
76 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
77 | .len = IEEE80211_MAX_DATA_LEN }, | |
78 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
79 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
80 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
81 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
82 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
83 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
84 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 85 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 86 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 87 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 LCC |
88 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
89 | .len = IEEE80211_MAX_MESH_ID_LEN }, | |
90 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, | |
9f1ba906 | 91 | |
b2e1b302 LR |
92 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
93 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
94 | ||
9f1ba906 JM |
95 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
96 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
97 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
36aedc90 | 98 | |
93da9cc1 | 99 | [NL80211_ATTR_MESH_PARAMS] = { .type = NLA_NESTED }, |
100 | ||
36aedc90 JM |
101 | [NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY, |
102 | .len = NL80211_HT_CAPABILITY_LEN }, | |
55682965 JB |
103 | }; |
104 | ||
105 | /* message building helper */ | |
106 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, | |
107 | int flags, u8 cmd) | |
108 | { | |
109 | /* since there is no private header just add the generic one */ | |
110 | return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd); | |
111 | } | |
112 | ||
113 | /* netlink command implementations */ | |
114 | ||
115 | static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, | |
116 | struct cfg80211_registered_device *dev) | |
117 | { | |
118 | void *hdr; | |
ee688b00 JB |
119 | struct nlattr *nl_bands, *nl_band; |
120 | struct nlattr *nl_freqs, *nl_freq; | |
121 | struct nlattr *nl_rates, *nl_rate; | |
f59ac048 | 122 | struct nlattr *nl_modes; |
ee688b00 JB |
123 | enum ieee80211_band band; |
124 | struct ieee80211_channel *chan; | |
125 | struct ieee80211_rate *rate; | |
126 | int i; | |
f59ac048 | 127 | u16 ifmodes = dev->wiphy.interface_modes; |
55682965 JB |
128 | |
129 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); | |
130 | if (!hdr) | |
131 | return -1; | |
132 | ||
133 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->idx); | |
134 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); | |
ee688b00 | 135 | |
f59ac048 LR |
136 | nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES); |
137 | if (!nl_modes) | |
138 | goto nla_put_failure; | |
139 | ||
140 | i = 0; | |
141 | while (ifmodes) { | |
142 | if (ifmodes & 1) | |
143 | NLA_PUT_FLAG(msg, i); | |
144 | ifmodes >>= 1; | |
145 | i++; | |
146 | } | |
147 | ||
148 | nla_nest_end(msg, nl_modes); | |
149 | ||
ee688b00 JB |
150 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); |
151 | if (!nl_bands) | |
152 | goto nla_put_failure; | |
153 | ||
154 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
155 | if (!dev->wiphy.bands[band]) | |
156 | continue; | |
157 | ||
158 | nl_band = nla_nest_start(msg, band); | |
159 | if (!nl_band) | |
160 | goto nla_put_failure; | |
161 | ||
d51626df JB |
162 | /* add HT info */ |
163 | if (dev->wiphy.bands[band]->ht_cap.ht_supported) { | |
164 | NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
165 | sizeof(dev->wiphy.bands[band]->ht_cap.mcs), | |
166 | &dev->wiphy.bands[band]->ht_cap.mcs); | |
167 | NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
168 | dev->wiphy.bands[band]->ht_cap.cap); | |
169 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
170 | dev->wiphy.bands[band]->ht_cap.ampdu_factor); | |
171 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
172 | dev->wiphy.bands[band]->ht_cap.ampdu_density); | |
173 | } | |
174 | ||
ee688b00 JB |
175 | /* add frequencies */ |
176 | nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); | |
177 | if (!nl_freqs) | |
178 | goto nla_put_failure; | |
179 | ||
180 | for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { | |
181 | nl_freq = nla_nest_start(msg, i); | |
182 | if (!nl_freq) | |
183 | goto nla_put_failure; | |
184 | ||
185 | chan = &dev->wiphy.bands[band]->channels[i]; | |
186 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, | |
187 | chan->center_freq); | |
188 | ||
189 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
190 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); | |
191 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) | |
192 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); | |
193 | if (chan->flags & IEEE80211_CHAN_NO_IBSS) | |
194 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); | |
195 | if (chan->flags & IEEE80211_CHAN_RADAR) | |
196 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); | |
197 | ||
198 | nla_nest_end(msg, nl_freq); | |
199 | } | |
200 | ||
201 | nla_nest_end(msg, nl_freqs); | |
202 | ||
203 | /* add bitrates */ | |
204 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
205 | if (!nl_rates) | |
206 | goto nla_put_failure; | |
207 | ||
208 | for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { | |
209 | nl_rate = nla_nest_start(msg, i); | |
210 | if (!nl_rate) | |
211 | goto nla_put_failure; | |
212 | ||
213 | rate = &dev->wiphy.bands[band]->bitrates[i]; | |
214 | NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, | |
215 | rate->bitrate); | |
216 | if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) | |
217 | NLA_PUT_FLAG(msg, | |
218 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); | |
219 | ||
220 | nla_nest_end(msg, nl_rate); | |
221 | } | |
222 | ||
223 | nla_nest_end(msg, nl_rates); | |
224 | ||
225 | nla_nest_end(msg, nl_band); | |
226 | } | |
227 | nla_nest_end(msg, nl_bands); | |
228 | ||
55682965 JB |
229 | return genlmsg_end(msg, hdr); |
230 | ||
231 | nla_put_failure: | |
bc3ed28c TG |
232 | genlmsg_cancel(msg, hdr); |
233 | return -EMSGSIZE; | |
55682965 JB |
234 | } |
235 | ||
236 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) | |
237 | { | |
238 | int idx = 0; | |
239 | int start = cb->args[0]; | |
240 | struct cfg80211_registered_device *dev; | |
241 | ||
242 | mutex_lock(&cfg80211_drv_mutex); | |
243 | list_for_each_entry(dev, &cfg80211_drv_list, list) { | |
b4637271 | 244 | if (++idx <= start) |
55682965 JB |
245 | continue; |
246 | if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid, | |
247 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
b4637271 JV |
248 | dev) < 0) { |
249 | idx--; | |
55682965 | 250 | break; |
b4637271 | 251 | } |
55682965 JB |
252 | } |
253 | mutex_unlock(&cfg80211_drv_mutex); | |
254 | ||
255 | cb->args[0] = idx; | |
256 | ||
257 | return skb->len; | |
258 | } | |
259 | ||
260 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) | |
261 | { | |
262 | struct sk_buff *msg; | |
263 | struct cfg80211_registered_device *dev; | |
264 | ||
265 | dev = cfg80211_get_dev_from_info(info); | |
266 | if (IS_ERR(dev)) | |
267 | return PTR_ERR(dev); | |
268 | ||
269 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
270 | if (!msg) | |
271 | goto out_err; | |
272 | ||
273 | if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) | |
274 | goto out_free; | |
275 | ||
276 | cfg80211_put_dev(dev); | |
277 | ||
278 | return genlmsg_unicast(msg, info->snd_pid); | |
279 | ||
280 | out_free: | |
281 | nlmsg_free(msg); | |
282 | out_err: | |
283 | cfg80211_put_dev(dev); | |
284 | return -ENOBUFS; | |
285 | } | |
286 | ||
287 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) | |
288 | { | |
289 | struct cfg80211_registered_device *rdev; | |
290 | int result; | |
291 | ||
292 | if (!info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
293 | return -EINVAL; | |
294 | ||
295 | rdev = cfg80211_get_dev_from_info(info); | |
296 | if (IS_ERR(rdev)) | |
297 | return PTR_ERR(rdev); | |
298 | ||
299 | result = cfg80211_dev_rename(rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
300 | ||
301 | cfg80211_put_dev(rdev); | |
302 | return result; | |
303 | } | |
304 | ||
305 | ||
306 | static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, | |
307 | struct net_device *dev) | |
308 | { | |
309 | void *hdr; | |
310 | ||
311 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); | |
312 | if (!hdr) | |
313 | return -1; | |
314 | ||
315 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
316 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name); | |
60719ffd | 317 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype); |
55682965 JB |
318 | return genlmsg_end(msg, hdr); |
319 | ||
320 | nla_put_failure: | |
bc3ed28c TG |
321 | genlmsg_cancel(msg, hdr); |
322 | return -EMSGSIZE; | |
55682965 JB |
323 | } |
324 | ||
325 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
326 | { | |
327 | int wp_idx = 0; | |
328 | int if_idx = 0; | |
329 | int wp_start = cb->args[0]; | |
330 | int if_start = cb->args[1]; | |
331 | struct cfg80211_registered_device *dev; | |
332 | struct wireless_dev *wdev; | |
333 | ||
334 | mutex_lock(&cfg80211_drv_mutex); | |
335 | list_for_each_entry(dev, &cfg80211_drv_list, list) { | |
bba95fef JB |
336 | if (wp_idx < wp_start) { |
337 | wp_idx++; | |
55682965 | 338 | continue; |
bba95fef | 339 | } |
55682965 JB |
340 | if_idx = 0; |
341 | ||
342 | mutex_lock(&dev->devlist_mtx); | |
343 | list_for_each_entry(wdev, &dev->netdev_list, list) { | |
bba95fef JB |
344 | if (if_idx < if_start) { |
345 | if_idx++; | |
55682965 | 346 | continue; |
bba95fef | 347 | } |
55682965 JB |
348 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, |
349 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
bba95fef JB |
350 | wdev->netdev) < 0) { |
351 | mutex_unlock(&dev->devlist_mtx); | |
352 | goto out; | |
353 | } | |
354 | if_idx++; | |
55682965 JB |
355 | } |
356 | mutex_unlock(&dev->devlist_mtx); | |
bba95fef JB |
357 | |
358 | wp_idx++; | |
55682965 | 359 | } |
bba95fef | 360 | out: |
55682965 JB |
361 | mutex_unlock(&cfg80211_drv_mutex); |
362 | ||
363 | cb->args[0] = wp_idx; | |
364 | cb->args[1] = if_idx; | |
365 | ||
366 | return skb->len; | |
367 | } | |
368 | ||
369 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
370 | { | |
371 | struct sk_buff *msg; | |
372 | struct cfg80211_registered_device *dev; | |
373 | struct net_device *netdev; | |
374 | int err; | |
375 | ||
bba95fef | 376 | err = get_drv_dev_by_info_ifindex(info->attrs, &dev, &netdev); |
55682965 JB |
377 | if (err) |
378 | return err; | |
379 | ||
380 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
381 | if (!msg) | |
382 | goto out_err; | |
383 | ||
384 | if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, netdev) < 0) | |
385 | goto out_free; | |
386 | ||
387 | dev_put(netdev); | |
388 | cfg80211_put_dev(dev); | |
389 | ||
390 | return genlmsg_unicast(msg, info->snd_pid); | |
391 | ||
392 | out_free: | |
393 | nlmsg_free(msg); | |
394 | out_err: | |
395 | dev_put(netdev); | |
396 | cfg80211_put_dev(dev); | |
397 | return -ENOBUFS; | |
398 | } | |
399 | ||
66f7ac50 MW |
400 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
401 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
402 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
403 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
404 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
405 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
406 | }; | |
407 | ||
408 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
409 | { | |
410 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
411 | int flag; | |
412 | ||
413 | *mntrflags = 0; | |
414 | ||
415 | if (!nla) | |
416 | return -EINVAL; | |
417 | ||
418 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, | |
419 | nla, mntr_flags_policy)) | |
420 | return -EINVAL; | |
421 | ||
422 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
423 | if (flags[flag]) | |
424 | *mntrflags |= (1<<flag); | |
425 | ||
426 | return 0; | |
427 | } | |
428 | ||
55682965 JB |
429 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
430 | { | |
431 | struct cfg80211_registered_device *drv; | |
2ec600d6 | 432 | struct vif_params params; |
55682965 JB |
433 | int err, ifindex; |
434 | enum nl80211_iftype type; | |
435 | struct net_device *dev; | |
92ffe055 | 436 | u32 _flags, *flags = NULL; |
55682965 | 437 | |
2ec600d6 LCC |
438 | memset(¶ms, 0, sizeof(params)); |
439 | ||
bba95fef | 440 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
55682965 JB |
441 | if (err) |
442 | return err; | |
443 | ifindex = dev->ifindex; | |
723b038d | 444 | type = dev->ieee80211_ptr->iftype; |
55682965 JB |
445 | dev_put(dev); |
446 | ||
723b038d JB |
447 | err = -EINVAL; |
448 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
449 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
450 | if (type > NL80211_IFTYPE_MAX) | |
451 | goto unlock; | |
452 | } | |
453 | ||
f59ac048 LR |
454 | if (!drv->ops->change_virtual_intf || |
455 | !(drv->wiphy.interface_modes & (1 << type))) { | |
55682965 JB |
456 | err = -EOPNOTSUPP; |
457 | goto unlock; | |
458 | } | |
459 | ||
92ffe055 JB |
460 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
461 | if (type != NL80211_IFTYPE_MESH_POINT) { | |
462 | err = -EINVAL; | |
463 | goto unlock; | |
464 | } | |
2ec600d6 LCC |
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 | ||
92ffe055 JB |
469 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
470 | if (type != NL80211_IFTYPE_MONITOR) { | |
471 | err = -EINVAL; | |
472 | goto unlock; | |
473 | } | |
474 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], | |
475 | &_flags); | |
476 | if (!err) | |
477 | flags = &_flags; | |
478 | } | |
55682965 | 479 | rtnl_lock(); |
66f7ac50 | 480 | err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex, |
92ffe055 | 481 | type, flags, ¶ms); |
60719ffd JB |
482 | |
483 | dev = __dev_get_by_index(&init_net, ifindex); | |
484 | WARN_ON(!dev || (!err && dev->ieee80211_ptr->iftype != type)); | |
485 | ||
55682965 JB |
486 | rtnl_unlock(); |
487 | ||
488 | unlock: | |
489 | cfg80211_put_dev(drv); | |
490 | return err; | |
491 | } | |
492 | ||
493 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
494 | { | |
495 | struct cfg80211_registered_device *drv; | |
2ec600d6 | 496 | struct vif_params params; |
55682965 JB |
497 | int err; |
498 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
66f7ac50 | 499 | u32 flags; |
55682965 | 500 | |
2ec600d6 LCC |
501 | memset(¶ms, 0, sizeof(params)); |
502 | ||
55682965 JB |
503 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
504 | return -EINVAL; | |
505 | ||
506 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
507 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
508 | if (type > NL80211_IFTYPE_MAX) | |
509 | return -EINVAL; | |
510 | } | |
511 | ||
512 | drv = cfg80211_get_dev_from_info(info); | |
513 | if (IS_ERR(drv)) | |
514 | return PTR_ERR(drv); | |
515 | ||
f59ac048 LR |
516 | if (!drv->ops->add_virtual_intf || |
517 | !(drv->wiphy.interface_modes & (1 << type))) { | |
55682965 JB |
518 | err = -EOPNOTSUPP; |
519 | goto unlock; | |
520 | } | |
521 | ||
2ec600d6 LCC |
522 | if (type == NL80211_IFTYPE_MESH_POINT && |
523 | info->attrs[NL80211_ATTR_MESH_ID]) { | |
524 | params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); | |
525 | params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
526 | } | |
527 | ||
55682965 | 528 | rtnl_lock(); |
66f7ac50 MW |
529 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
530 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, | |
531 | &flags); | |
55682965 | 532 | err = drv->ops->add_virtual_intf(&drv->wiphy, |
66f7ac50 | 533 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), |
2ec600d6 | 534 | type, err ? NULL : &flags, ¶ms); |
55682965 JB |
535 | rtnl_unlock(); |
536 | ||
2ec600d6 | 537 | |
55682965 JB |
538 | unlock: |
539 | cfg80211_put_dev(drv); | |
540 | return err; | |
541 | } | |
542 | ||
543 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
544 | { | |
545 | struct cfg80211_registered_device *drv; | |
546 | int ifindex, err; | |
547 | struct net_device *dev; | |
548 | ||
bba95fef | 549 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
55682965 JB |
550 | if (err) |
551 | return err; | |
552 | ifindex = dev->ifindex; | |
553 | dev_put(dev); | |
554 | ||
555 | if (!drv->ops->del_virtual_intf) { | |
556 | err = -EOPNOTSUPP; | |
557 | goto out; | |
558 | } | |
559 | ||
560 | rtnl_lock(); | |
561 | err = drv->ops->del_virtual_intf(&drv->wiphy, ifindex); | |
562 | rtnl_unlock(); | |
563 | ||
564 | out: | |
565 | cfg80211_put_dev(drv); | |
566 | return err; | |
567 | } | |
568 | ||
41ade00f JB |
569 | struct get_key_cookie { |
570 | struct sk_buff *msg; | |
571 | int error; | |
572 | }; | |
573 | ||
574 | static void get_key_callback(void *c, struct key_params *params) | |
575 | { | |
576 | struct get_key_cookie *cookie = c; | |
577 | ||
578 | if (params->key) | |
579 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, | |
580 | params->key_len, params->key); | |
581 | ||
582 | if (params->seq) | |
583 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
584 | params->seq_len, params->seq); | |
585 | ||
586 | if (params->cipher) | |
587 | NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
588 | params->cipher); | |
589 | ||
590 | return; | |
591 | nla_put_failure: | |
592 | cookie->error = 1; | |
593 | } | |
594 | ||
595 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
596 | { | |
597 | struct cfg80211_registered_device *drv; | |
598 | int err; | |
599 | struct net_device *dev; | |
600 | u8 key_idx = 0; | |
601 | u8 *mac_addr = NULL; | |
602 | struct get_key_cookie cookie = { | |
603 | .error = 0, | |
604 | }; | |
605 | void *hdr; | |
606 | struct sk_buff *msg; | |
607 | ||
608 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
609 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
610 | ||
611 | if (key_idx > 3) | |
612 | return -EINVAL; | |
613 | ||
614 | if (info->attrs[NL80211_ATTR_MAC]) | |
615 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
616 | ||
bba95fef | 617 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
41ade00f JB |
618 | if (err) |
619 | return err; | |
620 | ||
621 | if (!drv->ops->get_key) { | |
622 | err = -EOPNOTSUPP; | |
623 | goto out; | |
624 | } | |
625 | ||
626 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
627 | if (!msg) { | |
628 | err = -ENOMEM; | |
629 | goto out; | |
630 | } | |
631 | ||
632 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
633 | NL80211_CMD_NEW_KEY); | |
634 | ||
635 | if (IS_ERR(hdr)) { | |
636 | err = PTR_ERR(hdr); | |
637 | goto out; | |
638 | } | |
639 | ||
640 | cookie.msg = msg; | |
641 | ||
642 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
643 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); | |
644 | if (mac_addr) | |
645 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
646 | ||
647 | rtnl_lock(); | |
648 | err = drv->ops->get_key(&drv->wiphy, dev, key_idx, mac_addr, | |
649 | &cookie, get_key_callback); | |
650 | rtnl_unlock(); | |
651 | ||
652 | if (err) | |
653 | goto out; | |
654 | ||
655 | if (cookie.error) | |
656 | goto nla_put_failure; | |
657 | ||
658 | genlmsg_end(msg, hdr); | |
659 | err = genlmsg_unicast(msg, info->snd_pid); | |
660 | goto out; | |
661 | ||
662 | nla_put_failure: | |
663 | err = -ENOBUFS; | |
664 | nlmsg_free(msg); | |
665 | out: | |
666 | cfg80211_put_dev(drv); | |
667 | dev_put(dev); | |
668 | return err; | |
669 | } | |
670 | ||
671 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
672 | { | |
673 | struct cfg80211_registered_device *drv; | |
674 | int err; | |
675 | struct net_device *dev; | |
676 | u8 key_idx; | |
677 | ||
678 | if (!info->attrs[NL80211_ATTR_KEY_IDX]) | |
679 | return -EINVAL; | |
680 | ||
681 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
682 | ||
683 | if (key_idx > 3) | |
684 | return -EINVAL; | |
685 | ||
686 | /* currently only support setting default key */ | |
687 | if (!info->attrs[NL80211_ATTR_KEY_DEFAULT]) | |
688 | return -EINVAL; | |
689 | ||
bba95fef | 690 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
41ade00f JB |
691 | if (err) |
692 | return err; | |
693 | ||
694 | if (!drv->ops->set_default_key) { | |
695 | err = -EOPNOTSUPP; | |
696 | goto out; | |
697 | } | |
698 | ||
699 | rtnl_lock(); | |
700 | err = drv->ops->set_default_key(&drv->wiphy, dev, key_idx); | |
701 | rtnl_unlock(); | |
702 | ||
703 | out: | |
704 | cfg80211_put_dev(drv); | |
705 | dev_put(dev); | |
706 | return err; | |
707 | } | |
708 | ||
709 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
710 | { | |
711 | struct cfg80211_registered_device *drv; | |
712 | int err; | |
713 | struct net_device *dev; | |
714 | struct key_params params; | |
715 | u8 key_idx = 0; | |
716 | u8 *mac_addr = NULL; | |
717 | ||
718 | memset(¶ms, 0, sizeof(params)); | |
719 | ||
720 | if (!info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
721 | return -EINVAL; | |
722 | ||
723 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
724 | params.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
725 | params.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
726 | } | |
727 | ||
728 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
729 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
730 | ||
731 | params.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
732 | ||
733 | if (info->attrs[NL80211_ATTR_MAC]) | |
734 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
735 | ||
736 | if (key_idx > 3) | |
737 | return -EINVAL; | |
738 | ||
739 | /* | |
740 | * Disallow pairwise keys with non-zero index unless it's WEP | |
741 | * (because current deployments use pairwise WEP keys with | |
742 | * non-zero indizes but 802.11i clearly specifies to use zero) | |
743 | */ | |
744 | if (mac_addr && key_idx && | |
745 | params.cipher != WLAN_CIPHER_SUITE_WEP40 && | |
746 | params.cipher != WLAN_CIPHER_SUITE_WEP104) | |
747 | return -EINVAL; | |
748 | ||
749 | /* TODO: add definitions for the lengths to linux/ieee80211.h */ | |
750 | switch (params.cipher) { | |
751 | case WLAN_CIPHER_SUITE_WEP40: | |
752 | if (params.key_len != 5) | |
753 | return -EINVAL; | |
754 | break; | |
755 | case WLAN_CIPHER_SUITE_TKIP: | |
756 | if (params.key_len != 32) | |
757 | return -EINVAL; | |
758 | break; | |
759 | case WLAN_CIPHER_SUITE_CCMP: | |
760 | if (params.key_len != 16) | |
761 | return -EINVAL; | |
762 | break; | |
763 | case WLAN_CIPHER_SUITE_WEP104: | |
764 | if (params.key_len != 13) | |
765 | return -EINVAL; | |
766 | break; | |
767 | default: | |
768 | return -EINVAL; | |
769 | } | |
770 | ||
bba95fef | 771 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
41ade00f JB |
772 | if (err) |
773 | return err; | |
774 | ||
775 | if (!drv->ops->add_key) { | |
776 | err = -EOPNOTSUPP; | |
777 | goto out; | |
778 | } | |
779 | ||
780 | rtnl_lock(); | |
781 | err = drv->ops->add_key(&drv->wiphy, dev, key_idx, mac_addr, ¶ms); | |
782 | rtnl_unlock(); | |
783 | ||
784 | out: | |
785 | cfg80211_put_dev(drv); | |
786 | dev_put(dev); | |
787 | return err; | |
788 | } | |
789 | ||
790 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
791 | { | |
792 | struct cfg80211_registered_device *drv; | |
793 | int err; | |
794 | struct net_device *dev; | |
795 | u8 key_idx = 0; | |
796 | u8 *mac_addr = NULL; | |
797 | ||
798 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
799 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
800 | ||
801 | if (key_idx > 3) | |
802 | return -EINVAL; | |
803 | ||
804 | if (info->attrs[NL80211_ATTR_MAC]) | |
805 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
806 | ||
bba95fef | 807 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
41ade00f JB |
808 | if (err) |
809 | return err; | |
810 | ||
811 | if (!drv->ops->del_key) { | |
812 | err = -EOPNOTSUPP; | |
813 | goto out; | |
814 | } | |
815 | ||
816 | rtnl_lock(); | |
817 | err = drv->ops->del_key(&drv->wiphy, dev, key_idx, mac_addr); | |
818 | rtnl_unlock(); | |
819 | ||
820 | out: | |
821 | cfg80211_put_dev(drv); | |
822 | dev_put(dev); | |
823 | return err; | |
824 | } | |
825 | ||
ed1b6cc7 JB |
826 | static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) |
827 | { | |
828 | int (*call)(struct wiphy *wiphy, struct net_device *dev, | |
829 | struct beacon_parameters *info); | |
830 | struct cfg80211_registered_device *drv; | |
831 | int err; | |
832 | struct net_device *dev; | |
833 | struct beacon_parameters params; | |
834 | int haveinfo = 0; | |
835 | ||
bba95fef | 836 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
ed1b6cc7 JB |
837 | if (err) |
838 | return err; | |
839 | ||
840 | switch (info->genlhdr->cmd) { | |
841 | case NL80211_CMD_NEW_BEACON: | |
842 | /* these are required for NEW_BEACON */ | |
843 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
844 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
845 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) { | |
846 | err = -EINVAL; | |
847 | goto out; | |
848 | } | |
849 | ||
850 | call = drv->ops->add_beacon; | |
851 | break; | |
852 | case NL80211_CMD_SET_BEACON: | |
853 | call = drv->ops->set_beacon; | |
854 | break; | |
855 | default: | |
856 | WARN_ON(1); | |
857 | err = -EOPNOTSUPP; | |
858 | goto out; | |
859 | } | |
860 | ||
861 | if (!call) { | |
862 | err = -EOPNOTSUPP; | |
863 | goto out; | |
864 | } | |
865 | ||
866 | memset(¶ms, 0, sizeof(params)); | |
867 | ||
868 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { | |
869 | params.interval = | |
870 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
871 | haveinfo = 1; | |
872 | } | |
873 | ||
874 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
875 | params.dtim_period = | |
876 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
877 | haveinfo = 1; | |
878 | } | |
879 | ||
880 | if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { | |
881 | params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
882 | params.head_len = | |
883 | nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); | |
884 | haveinfo = 1; | |
885 | } | |
886 | ||
887 | if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { | |
888 | params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
889 | params.tail_len = | |
890 | nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); | |
891 | haveinfo = 1; | |
892 | } | |
893 | ||
894 | if (!haveinfo) { | |
895 | err = -EINVAL; | |
896 | goto out; | |
897 | } | |
898 | ||
899 | rtnl_lock(); | |
900 | err = call(&drv->wiphy, dev, ¶ms); | |
901 | rtnl_unlock(); | |
902 | ||
903 | out: | |
904 | cfg80211_put_dev(drv); | |
905 | dev_put(dev); | |
906 | return err; | |
907 | } | |
908 | ||
909 | static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) | |
910 | { | |
911 | struct cfg80211_registered_device *drv; | |
912 | int err; | |
913 | struct net_device *dev; | |
914 | ||
bba95fef | 915 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
ed1b6cc7 JB |
916 | if (err) |
917 | return err; | |
918 | ||
919 | if (!drv->ops->del_beacon) { | |
920 | err = -EOPNOTSUPP; | |
921 | goto out; | |
922 | } | |
923 | ||
924 | rtnl_lock(); | |
925 | err = drv->ops->del_beacon(&drv->wiphy, dev); | |
926 | rtnl_unlock(); | |
927 | ||
928 | out: | |
929 | cfg80211_put_dev(drv); | |
930 | dev_put(dev); | |
931 | return err; | |
932 | } | |
933 | ||
5727ef1b JB |
934 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
935 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
936 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
937 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
938 | }; | |
939 | ||
940 | static int parse_station_flags(struct nlattr *nla, u32 *staflags) | |
941 | { | |
942 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
943 | int flag; | |
944 | ||
945 | *staflags = 0; | |
946 | ||
947 | if (!nla) | |
948 | return 0; | |
949 | ||
950 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, | |
951 | nla, sta_flags_policy)) | |
952 | return -EINVAL; | |
953 | ||
954 | *staflags = STATION_FLAG_CHANGED; | |
955 | ||
956 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) | |
957 | if (flags[flag]) | |
958 | *staflags |= (1<<flag); | |
959 | ||
960 | return 0; | |
961 | } | |
962 | ||
fd5b74dc JB |
963 | static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, |
964 | int flags, struct net_device *dev, | |
2ec600d6 | 965 | u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
966 | { |
967 | void *hdr; | |
2ec600d6 | 968 | struct nlattr *sinfoattr; |
fd5b74dc JB |
969 | |
970 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
971 | if (!hdr) | |
972 | return -1; | |
973 | ||
974 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
975 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); | |
976 | ||
2ec600d6 LCC |
977 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
978 | if (!sinfoattr) | |
fd5b74dc | 979 | goto nla_put_failure; |
2ec600d6 LCC |
980 | if (sinfo->filled & STATION_INFO_INACTIVE_TIME) |
981 | NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME, | |
982 | sinfo->inactive_time); | |
983 | if (sinfo->filled & STATION_INFO_RX_BYTES) | |
984 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES, | |
985 | sinfo->rx_bytes); | |
986 | if (sinfo->filled & STATION_INFO_TX_BYTES) | |
987 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES, | |
988 | sinfo->tx_bytes); | |
989 | if (sinfo->filled & STATION_INFO_LLID) | |
990 | NLA_PUT_U16(msg, NL80211_STA_INFO_LLID, | |
991 | sinfo->llid); | |
992 | if (sinfo->filled & STATION_INFO_PLID) | |
993 | NLA_PUT_U16(msg, NL80211_STA_INFO_PLID, | |
994 | sinfo->plid); | |
995 | if (sinfo->filled & STATION_INFO_PLINK_STATE) | |
996 | NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE, | |
997 | sinfo->plink_state); | |
998 | ||
999 | nla_nest_end(msg, sinfoattr); | |
fd5b74dc JB |
1000 | |
1001 | return genlmsg_end(msg, hdr); | |
1002 | ||
1003 | nla_put_failure: | |
bc3ed28c TG |
1004 | genlmsg_cancel(msg, hdr); |
1005 | return -EMSGSIZE; | |
fd5b74dc JB |
1006 | } |
1007 | ||
2ec600d6 | 1008 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 1009 | struct netlink_callback *cb) |
2ec600d6 | 1010 | { |
2ec600d6 LCC |
1011 | struct station_info sinfo; |
1012 | struct cfg80211_registered_device *dev; | |
bba95fef | 1013 | struct net_device *netdev; |
2ec600d6 | 1014 | u8 mac_addr[ETH_ALEN]; |
bba95fef JB |
1015 | int ifidx = cb->args[0]; |
1016 | int sta_idx = cb->args[1]; | |
2ec600d6 | 1017 | int err; |
2ec600d6 | 1018 | |
bba95fef JB |
1019 | if (!ifidx) { |
1020 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1021 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
1022 | nl80211_policy); | |
1023 | if (err) | |
1024 | return err; | |
2ec600d6 | 1025 | |
bba95fef JB |
1026 | if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) |
1027 | return -EINVAL; | |
2ec600d6 | 1028 | |
bba95fef JB |
1029 | ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); |
1030 | if (!ifidx) | |
1031 | return -EINVAL; | |
2ec600d6 | 1032 | } |
2ec600d6 | 1033 | |
bba95fef JB |
1034 | netdev = dev_get_by_index(&init_net, ifidx); |
1035 | if (!netdev) | |
1036 | return -ENODEV; | |
2ec600d6 | 1037 | |
bba95fef JB |
1038 | dev = cfg80211_get_dev_from_ifindex(ifidx); |
1039 | if (IS_ERR(dev)) { | |
1040 | err = PTR_ERR(dev); | |
1041 | goto out_put_netdev; | |
1042 | } | |
1043 | ||
1044 | if (!dev->ops->dump_station) { | |
1045 | err = -ENOSYS; | |
1046 | goto out_err; | |
1047 | } | |
1048 | ||
1049 | rtnl_lock(); | |
1050 | ||
1051 | while (1) { | |
1052 | err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx, | |
1053 | mac_addr, &sinfo); | |
1054 | if (err == -ENOENT) | |
1055 | break; | |
1056 | if (err) | |
1057 | goto out_err_rtnl; | |
1058 | ||
1059 | if (nl80211_send_station(skb, | |
1060 | NETLINK_CB(cb->skb).pid, | |
1061 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
1062 | netdev, mac_addr, | |
1063 | &sinfo) < 0) | |
1064 | goto out; | |
1065 | ||
1066 | sta_idx++; | |
1067 | } | |
1068 | ||
1069 | ||
1070 | out: | |
1071 | cb->args[1] = sta_idx; | |
1072 | err = skb->len; | |
1073 | out_err_rtnl: | |
1074 | rtnl_unlock(); | |
1075 | out_err: | |
1076 | cfg80211_put_dev(dev); | |
1077 | out_put_netdev: | |
1078 | dev_put(netdev); | |
1079 | ||
1080 | return err; | |
2ec600d6 | 1081 | } |
fd5b74dc | 1082 | |
5727ef1b JB |
1083 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
1084 | { | |
fd5b74dc JB |
1085 | struct cfg80211_registered_device *drv; |
1086 | int err; | |
1087 | struct net_device *dev; | |
2ec600d6 | 1088 | struct station_info sinfo; |
fd5b74dc JB |
1089 | struct sk_buff *msg; |
1090 | u8 *mac_addr = NULL; | |
1091 | ||
2ec600d6 | 1092 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
1093 | |
1094 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1095 | return -EINVAL; | |
1096 | ||
1097 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1098 | ||
bba95fef | 1099 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
fd5b74dc JB |
1100 | if (err) |
1101 | return err; | |
1102 | ||
1103 | if (!drv->ops->get_station) { | |
1104 | err = -EOPNOTSUPP; | |
1105 | goto out; | |
1106 | } | |
1107 | ||
1108 | rtnl_lock(); | |
2ec600d6 | 1109 | err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &sinfo); |
fd5b74dc JB |
1110 | rtnl_unlock(); |
1111 | ||
2ec600d6 LCC |
1112 | if (err) |
1113 | goto out; | |
1114 | ||
fd5b74dc JB |
1115 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); |
1116 | if (!msg) | |
1117 | goto out; | |
1118 | ||
1119 | if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, | |
2ec600d6 | 1120 | dev, mac_addr, &sinfo) < 0) |
fd5b74dc JB |
1121 | goto out_free; |
1122 | ||
1123 | err = genlmsg_unicast(msg, info->snd_pid); | |
1124 | goto out; | |
1125 | ||
1126 | out_free: | |
1127 | nlmsg_free(msg); | |
1128 | ||
1129 | out: | |
1130 | cfg80211_put_dev(drv); | |
1131 | dev_put(dev); | |
1132 | return err; | |
5727ef1b JB |
1133 | } |
1134 | ||
1135 | /* | |
1136 | * Get vlan interface making sure it is on the right wiphy. | |
1137 | */ | |
1138 | static int get_vlan(struct nlattr *vlanattr, | |
1139 | struct cfg80211_registered_device *rdev, | |
1140 | struct net_device **vlan) | |
1141 | { | |
1142 | *vlan = NULL; | |
1143 | ||
1144 | if (vlanattr) { | |
1145 | *vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr)); | |
1146 | if (!*vlan) | |
1147 | return -ENODEV; | |
1148 | if (!(*vlan)->ieee80211_ptr) | |
1149 | return -EINVAL; | |
1150 | if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy) | |
1151 | return -EINVAL; | |
1152 | } | |
1153 | return 0; | |
1154 | } | |
1155 | ||
1156 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) | |
1157 | { | |
1158 | struct cfg80211_registered_device *drv; | |
1159 | int err; | |
1160 | struct net_device *dev; | |
1161 | struct station_parameters params; | |
1162 | u8 *mac_addr = NULL; | |
1163 | ||
1164 | memset(¶ms, 0, sizeof(params)); | |
1165 | ||
1166 | params.listen_interval = -1; | |
1167 | ||
1168 | if (info->attrs[NL80211_ATTR_STA_AID]) | |
1169 | return -EINVAL; | |
1170 | ||
1171 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1172 | return -EINVAL; | |
1173 | ||
1174 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1175 | ||
1176 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
1177 | params.supported_rates = | |
1178 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
1179 | params.supported_rates_len = | |
1180 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
1181 | } | |
1182 | ||
1183 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
1184 | params.listen_interval = | |
1185 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
1186 | ||
36aedc90 JM |
1187 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
1188 | params.ht_capa = | |
1189 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
1190 | ||
5727ef1b JB |
1191 | if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS], |
1192 | ¶ms.station_flags)) | |
1193 | return -EINVAL; | |
1194 | ||
2ec600d6 LCC |
1195 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
1196 | params.plink_action = | |
1197 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); | |
1198 | ||
bba95fef | 1199 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
5727ef1b JB |
1200 | if (err) |
1201 | return err; | |
1202 | ||
1203 | err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan); | |
1204 | if (err) | |
1205 | goto out; | |
1206 | ||
1207 | if (!drv->ops->change_station) { | |
1208 | err = -EOPNOTSUPP; | |
1209 | goto out; | |
1210 | } | |
1211 | ||
1212 | rtnl_lock(); | |
1213 | err = drv->ops->change_station(&drv->wiphy, dev, mac_addr, ¶ms); | |
1214 | rtnl_unlock(); | |
1215 | ||
1216 | out: | |
1217 | if (params.vlan) | |
1218 | dev_put(params.vlan); | |
1219 | cfg80211_put_dev(drv); | |
1220 | dev_put(dev); | |
1221 | return err; | |
1222 | } | |
1223 | ||
1224 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
1225 | { | |
1226 | struct cfg80211_registered_device *drv; | |
1227 | int err; | |
1228 | struct net_device *dev; | |
1229 | struct station_parameters params; | |
1230 | u8 *mac_addr = NULL; | |
1231 | ||
1232 | memset(¶ms, 0, sizeof(params)); | |
1233 | ||
1234 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1235 | return -EINVAL; | |
1236 | ||
1237 | if (!info->attrs[NL80211_ATTR_STA_AID]) | |
1238 | return -EINVAL; | |
1239 | ||
1240 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
1241 | return -EINVAL; | |
1242 | ||
1243 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
1244 | return -EINVAL; | |
1245 | ||
1246 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1247 | params.supported_rates = | |
1248 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
1249 | params.supported_rates_len = | |
1250 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
1251 | params.listen_interval = | |
1252 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
16f2e85d | 1253 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); |
36aedc90 JM |
1254 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
1255 | params.ht_capa = | |
1256 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b JB |
1257 | |
1258 | if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS], | |
1259 | ¶ms.station_flags)) | |
1260 | return -EINVAL; | |
1261 | ||
bba95fef | 1262 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
5727ef1b JB |
1263 | if (err) |
1264 | return err; | |
1265 | ||
1266 | err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan); | |
1267 | if (err) | |
1268 | goto out; | |
1269 | ||
1270 | if (!drv->ops->add_station) { | |
1271 | err = -EOPNOTSUPP; | |
1272 | goto out; | |
1273 | } | |
1274 | ||
1275 | rtnl_lock(); | |
1276 | err = drv->ops->add_station(&drv->wiphy, dev, mac_addr, ¶ms); | |
1277 | rtnl_unlock(); | |
1278 | ||
1279 | out: | |
1280 | if (params.vlan) | |
1281 | dev_put(params.vlan); | |
1282 | cfg80211_put_dev(drv); | |
1283 | dev_put(dev); | |
1284 | return err; | |
1285 | } | |
1286 | ||
1287 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
1288 | { | |
1289 | struct cfg80211_registered_device *drv; | |
1290 | int err; | |
1291 | struct net_device *dev; | |
1292 | u8 *mac_addr = NULL; | |
1293 | ||
1294 | if (info->attrs[NL80211_ATTR_MAC]) | |
1295 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1296 | ||
bba95fef | 1297 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
5727ef1b JB |
1298 | if (err) |
1299 | return err; | |
1300 | ||
1301 | if (!drv->ops->del_station) { | |
1302 | err = -EOPNOTSUPP; | |
1303 | goto out; | |
1304 | } | |
1305 | ||
1306 | rtnl_lock(); | |
1307 | err = drv->ops->del_station(&drv->wiphy, dev, mac_addr); | |
1308 | rtnl_unlock(); | |
1309 | ||
1310 | out: | |
1311 | cfg80211_put_dev(drv); | |
1312 | dev_put(dev); | |
1313 | return err; | |
1314 | } | |
1315 | ||
2ec600d6 LCC |
1316 | static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, |
1317 | int flags, struct net_device *dev, | |
1318 | u8 *dst, u8 *next_hop, | |
1319 | struct mpath_info *pinfo) | |
1320 | { | |
1321 | void *hdr; | |
1322 | struct nlattr *pinfoattr; | |
1323 | ||
1324 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); | |
1325 | if (!hdr) | |
1326 | return -1; | |
1327 | ||
1328 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
1329 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); | |
1330 | NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop); | |
1331 | ||
1332 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); | |
1333 | if (!pinfoattr) | |
1334 | goto nla_put_failure; | |
1335 | if (pinfo->filled & MPATH_INFO_FRAME_QLEN) | |
1336 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
1337 | pinfo->frame_qlen); | |
1338 | if (pinfo->filled & MPATH_INFO_DSN) | |
1339 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_DSN, | |
1340 | pinfo->dsn); | |
1341 | if (pinfo->filled & MPATH_INFO_METRIC) | |
1342 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC, | |
1343 | pinfo->metric); | |
1344 | if (pinfo->filled & MPATH_INFO_EXPTIME) | |
1345 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME, | |
1346 | pinfo->exptime); | |
1347 | if (pinfo->filled & MPATH_INFO_FLAGS) | |
1348 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS, | |
1349 | pinfo->flags); | |
1350 | if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) | |
1351 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
1352 | pinfo->discovery_timeout); | |
1353 | if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) | |
1354 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
1355 | pinfo->discovery_retries); | |
1356 | ||
1357 | nla_nest_end(msg, pinfoattr); | |
1358 | ||
1359 | return genlmsg_end(msg, hdr); | |
1360 | ||
1361 | nla_put_failure: | |
bc3ed28c TG |
1362 | genlmsg_cancel(msg, hdr); |
1363 | return -EMSGSIZE; | |
2ec600d6 LCC |
1364 | } |
1365 | ||
1366 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 1367 | struct netlink_callback *cb) |
2ec600d6 | 1368 | { |
2ec600d6 LCC |
1369 | struct mpath_info pinfo; |
1370 | struct cfg80211_registered_device *dev; | |
bba95fef | 1371 | struct net_device *netdev; |
2ec600d6 LCC |
1372 | u8 dst[ETH_ALEN]; |
1373 | u8 next_hop[ETH_ALEN]; | |
bba95fef JB |
1374 | int ifidx = cb->args[0]; |
1375 | int path_idx = cb->args[1]; | |
2ec600d6 | 1376 | int err; |
2ec600d6 | 1377 | |
bba95fef JB |
1378 | if (!ifidx) { |
1379 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
1380 | nl80211_fam.attrbuf, nl80211_fam.maxattr, | |
1381 | nl80211_policy); | |
1382 | if (err) | |
1383 | return err; | |
1384 | ||
1385 | if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) | |
1386 | return -EINVAL; | |
1387 | ||
1388 | ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); | |
1389 | if (!ifidx) | |
1390 | return -EINVAL; | |
1391 | } | |
1392 | ||
1393 | netdev = dev_get_by_index(&init_net, ifidx); | |
1394 | if (!netdev) | |
1395 | return -ENODEV; | |
1396 | ||
1397 | dev = cfg80211_get_dev_from_ifindex(ifidx); | |
1398 | if (IS_ERR(dev)) { | |
1399 | err = PTR_ERR(dev); | |
1400 | goto out_put_netdev; | |
1401 | } | |
1402 | ||
1403 | if (!dev->ops->dump_mpath) { | |
1404 | err = -ENOSYS; | |
1405 | goto out_err; | |
1406 | } | |
1407 | ||
1408 | rtnl_lock(); | |
1409 | ||
1410 | while (1) { | |
1411 | err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx, | |
1412 | dst, next_hop, &pinfo); | |
1413 | if (err == -ENOENT) | |
2ec600d6 | 1414 | break; |
bba95fef JB |
1415 | if (err) |
1416 | goto out_err_rtnl; | |
2ec600d6 | 1417 | |
bba95fef JB |
1418 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, |
1419 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
1420 | netdev, dst, next_hop, | |
1421 | &pinfo) < 0) | |
1422 | goto out; | |
2ec600d6 | 1423 | |
bba95fef | 1424 | path_idx++; |
2ec600d6 | 1425 | } |
2ec600d6 | 1426 | |
2ec600d6 | 1427 | |
bba95fef JB |
1428 | out: |
1429 | cb->args[1] = path_idx; | |
1430 | err = skb->len; | |
1431 | out_err_rtnl: | |
1432 | rtnl_unlock(); | |
1433 | out_err: | |
1434 | cfg80211_put_dev(dev); | |
1435 | out_put_netdev: | |
1436 | dev_put(netdev); | |
1437 | ||
1438 | return err; | |
2ec600d6 LCC |
1439 | } |
1440 | ||
1441 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
1442 | { | |
1443 | struct cfg80211_registered_device *drv; | |
1444 | int err; | |
1445 | struct net_device *dev; | |
1446 | struct mpath_info pinfo; | |
1447 | struct sk_buff *msg; | |
1448 | u8 *dst = NULL; | |
1449 | u8 next_hop[ETH_ALEN]; | |
1450 | ||
1451 | memset(&pinfo, 0, sizeof(pinfo)); | |
1452 | ||
1453 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1454 | return -EINVAL; | |
1455 | ||
1456 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1457 | ||
bba95fef | 1458 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
2ec600d6 LCC |
1459 | if (err) |
1460 | return err; | |
1461 | ||
1462 | if (!drv->ops->get_mpath) { | |
1463 | err = -EOPNOTSUPP; | |
1464 | goto out; | |
1465 | } | |
1466 | ||
1467 | rtnl_lock(); | |
1468 | err = drv->ops->get_mpath(&drv->wiphy, dev, dst, next_hop, &pinfo); | |
1469 | rtnl_unlock(); | |
1470 | ||
1471 | if (err) | |
1472 | goto out; | |
1473 | ||
1474 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
1475 | if (!msg) | |
1476 | goto out; | |
1477 | ||
1478 | if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, | |
1479 | dev, dst, next_hop, &pinfo) < 0) | |
1480 | goto out_free; | |
1481 | ||
1482 | err = genlmsg_unicast(msg, info->snd_pid); | |
1483 | goto out; | |
1484 | ||
1485 | out_free: | |
1486 | nlmsg_free(msg); | |
1487 | ||
1488 | out: | |
1489 | cfg80211_put_dev(drv); | |
1490 | dev_put(dev); | |
1491 | return err; | |
1492 | } | |
1493 | ||
1494 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
1495 | { | |
1496 | struct cfg80211_registered_device *drv; | |
1497 | int err; | |
1498 | struct net_device *dev; | |
1499 | u8 *dst = NULL; | |
1500 | u8 *next_hop = NULL; | |
1501 | ||
1502 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1503 | return -EINVAL; | |
1504 | ||
1505 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
1506 | return -EINVAL; | |
1507 | ||
1508 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1509 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
1510 | ||
bba95fef | 1511 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
2ec600d6 LCC |
1512 | if (err) |
1513 | return err; | |
1514 | ||
1515 | if (!drv->ops->change_mpath) { | |
1516 | err = -EOPNOTSUPP; | |
1517 | goto out; | |
1518 | } | |
1519 | ||
1520 | rtnl_lock(); | |
1521 | err = drv->ops->change_mpath(&drv->wiphy, dev, dst, next_hop); | |
1522 | rtnl_unlock(); | |
1523 | ||
1524 | out: | |
1525 | cfg80211_put_dev(drv); | |
1526 | dev_put(dev); | |
1527 | return err; | |
1528 | } | |
1529 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) | |
1530 | { | |
1531 | struct cfg80211_registered_device *drv; | |
1532 | int err; | |
1533 | struct net_device *dev; | |
1534 | u8 *dst = NULL; | |
1535 | u8 *next_hop = NULL; | |
1536 | ||
1537 | if (!info->attrs[NL80211_ATTR_MAC]) | |
1538 | return -EINVAL; | |
1539 | ||
1540 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
1541 | return -EINVAL; | |
1542 | ||
1543 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1544 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
1545 | ||
bba95fef | 1546 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
2ec600d6 LCC |
1547 | if (err) |
1548 | return err; | |
1549 | ||
1550 | if (!drv->ops->add_mpath) { | |
1551 | err = -EOPNOTSUPP; | |
1552 | goto out; | |
1553 | } | |
1554 | ||
1555 | rtnl_lock(); | |
1556 | err = drv->ops->add_mpath(&drv->wiphy, dev, dst, next_hop); | |
1557 | rtnl_unlock(); | |
1558 | ||
1559 | out: | |
1560 | cfg80211_put_dev(drv); | |
1561 | dev_put(dev); | |
1562 | return err; | |
1563 | } | |
1564 | ||
1565 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
1566 | { | |
1567 | struct cfg80211_registered_device *drv; | |
1568 | int err; | |
1569 | struct net_device *dev; | |
1570 | u8 *dst = NULL; | |
1571 | ||
1572 | if (info->attrs[NL80211_ATTR_MAC]) | |
1573 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1574 | ||
bba95fef | 1575 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); |
2ec600d6 LCC |
1576 | if (err) |
1577 | return err; | |
1578 | ||
1579 | if (!drv->ops->del_mpath) { | |
1580 | err = -EOPNOTSUPP; | |
1581 | goto out; | |
1582 | } | |
1583 | ||
1584 | rtnl_lock(); | |
1585 | err = drv->ops->del_mpath(&drv->wiphy, dev, dst); | |
1586 | rtnl_unlock(); | |
1587 | ||
1588 | out: | |
1589 | cfg80211_put_dev(drv); | |
1590 | dev_put(dev); | |
1591 | return err; | |
1592 | } | |
1593 | ||
9f1ba906 JM |
1594 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
1595 | { | |
1596 | struct cfg80211_registered_device *drv; | |
1597 | int err; | |
1598 | struct net_device *dev; | |
1599 | struct bss_parameters params; | |
1600 | ||
1601 | memset(¶ms, 0, sizeof(params)); | |
1602 | /* default to not changing parameters */ | |
1603 | params.use_cts_prot = -1; | |
1604 | params.use_short_preamble = -1; | |
1605 | params.use_short_slot_time = -1; | |
1606 | ||
1607 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
1608 | params.use_cts_prot = | |
1609 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
1610 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
1611 | params.use_short_preamble = | |
1612 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
1613 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
1614 | params.use_short_slot_time = | |
1615 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
1616 | ||
1617 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); | |
1618 | if (err) | |
1619 | return err; | |
1620 | ||
1621 | if (!drv->ops->change_bss) { | |
1622 | err = -EOPNOTSUPP; | |
1623 | goto out; | |
1624 | } | |
1625 | ||
1626 | rtnl_lock(); | |
1627 | err = drv->ops->change_bss(&drv->wiphy, dev, ¶ms); | |
1628 | rtnl_unlock(); | |
1629 | ||
1630 | out: | |
1631 | cfg80211_put_dev(drv); | |
1632 | dev_put(dev); | |
1633 | return err; | |
1634 | } | |
1635 | ||
b2e1b302 LR |
1636 | static const struct nla_policy |
1637 | reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { | |
1638 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
1639 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
1640 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
1641 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
1642 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
1643 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
1644 | }; | |
1645 | ||
1646 | static int parse_reg_rule(struct nlattr *tb[], | |
1647 | struct ieee80211_reg_rule *reg_rule) | |
1648 | { | |
1649 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
1650 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
1651 | ||
1652 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
1653 | return -EINVAL; | |
1654 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
1655 | return -EINVAL; | |
1656 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
1657 | return -EINVAL; | |
1658 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
1659 | return -EINVAL; | |
1660 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
1661 | return -EINVAL; | |
1662 | ||
1663 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
1664 | ||
1665 | freq_range->start_freq_khz = | |
1666 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
1667 | freq_range->end_freq_khz = | |
1668 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
1669 | freq_range->max_bandwidth_khz = | |
1670 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
1671 | ||
1672 | power_rule->max_eirp = | |
1673 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
1674 | ||
1675 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
1676 | power_rule->max_antenna_gain = | |
1677 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
1678 | ||
1679 | return 0; | |
1680 | } | |
1681 | ||
1682 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) | |
1683 | { | |
1684 | int r; | |
1685 | char *data = NULL; | |
1686 | ||
1687 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
1688 | return -EINVAL; | |
1689 | ||
1690 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
1691 | ||
1692 | #ifdef CONFIG_WIRELESS_OLD_REGULATORY | |
1693 | /* We ignore world regdom requests with the old regdom setup */ | |
1694 | if (is_world_regdom(data)) | |
1695 | return -EINVAL; | |
1696 | #endif | |
1697 | mutex_lock(&cfg80211_drv_mutex); | |
be3d4810 | 1698 | r = __regulatory_hint(NULL, REGDOM_SET_BY_USER, data); |
b2e1b302 LR |
1699 | mutex_unlock(&cfg80211_drv_mutex); |
1700 | return r; | |
1701 | } | |
1702 | ||
93da9cc1 | 1703 | static int nl80211_get_mesh_params(struct sk_buff *skb, |
1704 | struct genl_info *info) | |
1705 | { | |
1706 | struct cfg80211_registered_device *drv; | |
1707 | struct mesh_config cur_params; | |
1708 | int err; | |
1709 | struct net_device *dev; | |
1710 | void *hdr; | |
1711 | struct nlattr *pinfoattr; | |
1712 | struct sk_buff *msg; | |
1713 | ||
1714 | /* Look up our device */ | |
1715 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); | |
1716 | if (err) | |
1717 | return err; | |
1718 | ||
1719 | /* Get the mesh params */ | |
1720 | rtnl_lock(); | |
1721 | err = drv->ops->get_mesh_params(&drv->wiphy, dev, &cur_params); | |
1722 | rtnl_unlock(); | |
1723 | if (err) | |
1724 | goto out; | |
1725 | ||
1726 | /* Draw up a netlink message to send back */ | |
1727 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
1728 | if (!msg) { | |
1729 | err = -ENOBUFS; | |
1730 | goto out; | |
1731 | } | |
1732 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, | |
1733 | NL80211_CMD_GET_MESH_PARAMS); | |
1734 | if (!hdr) | |
1735 | goto nla_put_failure; | |
1736 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_PARAMS); | |
1737 | if (!pinfoattr) | |
1738 | goto nla_put_failure; | |
1739 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); | |
1740 | NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
1741 | cur_params.dot11MeshRetryTimeout); | |
1742 | NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
1743 | cur_params.dot11MeshConfirmTimeout); | |
1744 | NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
1745 | cur_params.dot11MeshHoldingTimeout); | |
1746 | NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
1747 | cur_params.dot11MeshMaxPeerLinks); | |
1748 | NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
1749 | cur_params.dot11MeshMaxRetries); | |
1750 | NLA_PUT_U8(msg, NL80211_MESHCONF_TTL, | |
1751 | cur_params.dot11MeshTTL); | |
1752 | NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
1753 | cur_params.auto_open_plinks); | |
1754 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
1755 | cur_params.dot11MeshHWMPmaxPREQretries); | |
1756 | NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
1757 | cur_params.path_refresh_time); | |
1758 | NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
1759 | cur_params.min_discovery_timeout); | |
1760 | NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
1761 | cur_params.dot11MeshHWMPactivePathTimeout); | |
1762 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
1763 | cur_params.dot11MeshHWMPpreqMinInterval); | |
1764 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1765 | cur_params.dot11MeshHWMPnetDiameterTraversalTime); | |
1766 | nla_nest_end(msg, pinfoattr); | |
1767 | genlmsg_end(msg, hdr); | |
1768 | err = genlmsg_unicast(msg, info->snd_pid); | |
1769 | goto out; | |
1770 | ||
1771 | nla_put_failure: | |
1772 | genlmsg_cancel(msg, hdr); | |
1773 | err = -EMSGSIZE; | |
1774 | out: | |
1775 | /* Cleanup */ | |
1776 | cfg80211_put_dev(drv); | |
1777 | dev_put(dev); | |
1778 | return err; | |
1779 | } | |
1780 | ||
1781 | #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \ | |
1782 | do {\ | |
1783 | if (table[attr_num]) {\ | |
1784 | cfg.param = nla_fn(table[attr_num]); \ | |
1785 | mask |= (1 << (attr_num - 1)); \ | |
1786 | } \ | |
1787 | } while (0);\ | |
1788 | ||
1789 | static struct nla_policy | |
1790 | nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] __read_mostly = { | |
1791 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, | |
1792 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
1793 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
1794 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
1795 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
1796 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
1797 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, | |
1798 | ||
1799 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, | |
1800 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
1801 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
1802 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
1803 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
1804 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, | |
1805 | }; | |
1806 | ||
1807 | static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info) | |
1808 | { | |
1809 | int err; | |
1810 | u32 mask; | |
1811 | struct cfg80211_registered_device *drv; | |
1812 | struct net_device *dev; | |
1813 | struct mesh_config cfg; | |
1814 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; | |
1815 | struct nlattr *parent_attr; | |
1816 | ||
1817 | parent_attr = info->attrs[NL80211_ATTR_MESH_PARAMS]; | |
1818 | if (!parent_attr) | |
1819 | return -EINVAL; | |
1820 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
1821 | parent_attr, nl80211_meshconf_params_policy)) | |
1822 | return -EINVAL; | |
1823 | ||
1824 | err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); | |
1825 | if (err) | |
1826 | return err; | |
1827 | ||
1828 | /* This makes sure that there aren't more than 32 mesh config | |
1829 | * parameters (otherwise our bitfield scheme would not work.) */ | |
1830 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
1831 | ||
1832 | /* Fill in the params struct */ | |
1833 | mask = 0; | |
1834 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, | |
1835 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16); | |
1836 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, | |
1837 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16); | |
1838 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, | |
1839 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16); | |
1840 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, | |
1841 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16); | |
1842 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, | |
1843 | mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8); | |
1844 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, | |
1845 | mask, NL80211_MESHCONF_TTL, nla_get_u8); | |
1846 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, | |
1847 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8); | |
1848 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, | |
1849 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
1850 | nla_get_u8); | |
1851 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, | |
1852 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32); | |
1853 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, | |
1854 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
1855 | nla_get_u16); | |
1856 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, | |
1857 | mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
1858 | nla_get_u32); | |
1859 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, | |
1860 | mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
1861 | nla_get_u16); | |
1862 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, | |
1863 | dot11MeshHWMPnetDiameterTraversalTime, | |
1864 | mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1865 | nla_get_u16); | |
1866 | ||
1867 | /* Apply changes */ | |
1868 | rtnl_lock(); | |
1869 | err = drv->ops->set_mesh_params(&drv->wiphy, dev, &cfg, mask); | |
1870 | rtnl_unlock(); | |
1871 | ||
1872 | /* cleanup */ | |
1873 | cfg80211_put_dev(drv); | |
1874 | dev_put(dev); | |
1875 | return err; | |
1876 | } | |
1877 | ||
1878 | #undef FILL_IN_MESH_PARAM_IF_SET | |
1879 | ||
b2e1b302 LR |
1880 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
1881 | { | |
1882 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
1883 | struct nlattr *nl_reg_rule; | |
1884 | char *alpha2 = NULL; | |
1885 | int rem_reg_rules = 0, r = 0; | |
1886 | u32 num_rules = 0, rule_idx = 0, size_of_regd; | |
1887 | struct ieee80211_regdomain *rd = NULL; | |
1888 | ||
1889 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
1890 | return -EINVAL; | |
1891 | ||
1892 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
1893 | return -EINVAL; | |
1894 | ||
1895 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
1896 | ||
1897 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], | |
1898 | rem_reg_rules) { | |
1899 | num_rules++; | |
1900 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
1901 | goto bad_reg; | |
1902 | } | |
1903 | ||
1904 | if (!reg_is_valid_request(alpha2)) | |
1905 | return -EINVAL; | |
1906 | ||
1907 | size_of_regd = sizeof(struct ieee80211_regdomain) + | |
1908 | (num_rules * sizeof(struct ieee80211_reg_rule)); | |
1909 | ||
1910 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
1911 | if (!rd) | |
1912 | return -ENOMEM; | |
1913 | ||
1914 | rd->n_reg_rules = num_rules; | |
1915 | rd->alpha2[0] = alpha2[0]; | |
1916 | rd->alpha2[1] = alpha2[1]; | |
1917 | ||
1918 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], | |
1919 | rem_reg_rules) { | |
1920 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, | |
1921 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), | |
1922 | reg_rule_policy); | |
1923 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); | |
1924 | if (r) | |
1925 | goto bad_reg; | |
1926 | ||
1927 | rule_idx++; | |
1928 | ||
1929 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) | |
1930 | goto bad_reg; | |
1931 | } | |
1932 | ||
1933 | BUG_ON(rule_idx != num_rules); | |
1934 | ||
1935 | mutex_lock(&cfg80211_drv_mutex); | |
1936 | r = set_regdom(rd); | |
1937 | mutex_unlock(&cfg80211_drv_mutex); | |
b2e1b302 LR |
1938 | return r; |
1939 | ||
d2372b31 | 1940 | bad_reg: |
b2e1b302 LR |
1941 | kfree(rd); |
1942 | return -EINVAL; | |
1943 | } | |
1944 | ||
55682965 JB |
1945 | static struct genl_ops nl80211_ops[] = { |
1946 | { | |
1947 | .cmd = NL80211_CMD_GET_WIPHY, | |
1948 | .doit = nl80211_get_wiphy, | |
1949 | .dumpit = nl80211_dump_wiphy, | |
1950 | .policy = nl80211_policy, | |
1951 | /* can be retrieved by unprivileged users */ | |
1952 | }, | |
1953 | { | |
1954 | .cmd = NL80211_CMD_SET_WIPHY, | |
1955 | .doit = nl80211_set_wiphy, | |
1956 | .policy = nl80211_policy, | |
1957 | .flags = GENL_ADMIN_PERM, | |
1958 | }, | |
1959 | { | |
1960 | .cmd = NL80211_CMD_GET_INTERFACE, | |
1961 | .doit = nl80211_get_interface, | |
1962 | .dumpit = nl80211_dump_interface, | |
1963 | .policy = nl80211_policy, | |
1964 | /* can be retrieved by unprivileged users */ | |
1965 | }, | |
1966 | { | |
1967 | .cmd = NL80211_CMD_SET_INTERFACE, | |
1968 | .doit = nl80211_set_interface, | |
1969 | .policy = nl80211_policy, | |
1970 | .flags = GENL_ADMIN_PERM, | |
1971 | }, | |
1972 | { | |
1973 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
1974 | .doit = nl80211_new_interface, | |
1975 | .policy = nl80211_policy, | |
1976 | .flags = GENL_ADMIN_PERM, | |
1977 | }, | |
1978 | { | |
1979 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
1980 | .doit = nl80211_del_interface, | |
1981 | .policy = nl80211_policy, | |
41ade00f JB |
1982 | .flags = GENL_ADMIN_PERM, |
1983 | }, | |
1984 | { | |
1985 | .cmd = NL80211_CMD_GET_KEY, | |
1986 | .doit = nl80211_get_key, | |
1987 | .policy = nl80211_policy, | |
1988 | .flags = GENL_ADMIN_PERM, | |
1989 | }, | |
1990 | { | |
1991 | .cmd = NL80211_CMD_SET_KEY, | |
1992 | .doit = nl80211_set_key, | |
1993 | .policy = nl80211_policy, | |
1994 | .flags = GENL_ADMIN_PERM, | |
1995 | }, | |
1996 | { | |
1997 | .cmd = NL80211_CMD_NEW_KEY, | |
1998 | .doit = nl80211_new_key, | |
1999 | .policy = nl80211_policy, | |
2000 | .flags = GENL_ADMIN_PERM, | |
2001 | }, | |
2002 | { | |
2003 | .cmd = NL80211_CMD_DEL_KEY, | |
2004 | .doit = nl80211_del_key, | |
2005 | .policy = nl80211_policy, | |
55682965 JB |
2006 | .flags = GENL_ADMIN_PERM, |
2007 | }, | |
ed1b6cc7 JB |
2008 | { |
2009 | .cmd = NL80211_CMD_SET_BEACON, | |
2010 | .policy = nl80211_policy, | |
2011 | .flags = GENL_ADMIN_PERM, | |
2012 | .doit = nl80211_addset_beacon, | |
2013 | }, | |
2014 | { | |
2015 | .cmd = NL80211_CMD_NEW_BEACON, | |
2016 | .policy = nl80211_policy, | |
2017 | .flags = GENL_ADMIN_PERM, | |
2018 | .doit = nl80211_addset_beacon, | |
2019 | }, | |
2020 | { | |
2021 | .cmd = NL80211_CMD_DEL_BEACON, | |
2022 | .policy = nl80211_policy, | |
2023 | .flags = GENL_ADMIN_PERM, | |
2024 | .doit = nl80211_del_beacon, | |
2025 | }, | |
5727ef1b JB |
2026 | { |
2027 | .cmd = NL80211_CMD_GET_STATION, | |
2028 | .doit = nl80211_get_station, | |
2ec600d6 | 2029 | .dumpit = nl80211_dump_station, |
5727ef1b JB |
2030 | .policy = nl80211_policy, |
2031 | .flags = GENL_ADMIN_PERM, | |
2032 | }, | |
2033 | { | |
2034 | .cmd = NL80211_CMD_SET_STATION, | |
2035 | .doit = nl80211_set_station, | |
2036 | .policy = nl80211_policy, | |
2037 | .flags = GENL_ADMIN_PERM, | |
2038 | }, | |
2039 | { | |
2040 | .cmd = NL80211_CMD_NEW_STATION, | |
2041 | .doit = nl80211_new_station, | |
2042 | .policy = nl80211_policy, | |
2043 | .flags = GENL_ADMIN_PERM, | |
2044 | }, | |
2045 | { | |
2046 | .cmd = NL80211_CMD_DEL_STATION, | |
2047 | .doit = nl80211_del_station, | |
2048 | .policy = nl80211_policy, | |
2ec600d6 LCC |
2049 | .flags = GENL_ADMIN_PERM, |
2050 | }, | |
2051 | { | |
2052 | .cmd = NL80211_CMD_GET_MPATH, | |
2053 | .doit = nl80211_get_mpath, | |
2054 | .dumpit = nl80211_dump_mpath, | |
2055 | .policy = nl80211_policy, | |
2056 | .flags = GENL_ADMIN_PERM, | |
2057 | }, | |
2058 | { | |
2059 | .cmd = NL80211_CMD_SET_MPATH, | |
2060 | .doit = nl80211_set_mpath, | |
2061 | .policy = nl80211_policy, | |
2062 | .flags = GENL_ADMIN_PERM, | |
2063 | }, | |
2064 | { | |
2065 | .cmd = NL80211_CMD_NEW_MPATH, | |
2066 | .doit = nl80211_new_mpath, | |
2067 | .policy = nl80211_policy, | |
2068 | .flags = GENL_ADMIN_PERM, | |
2069 | }, | |
2070 | { | |
2071 | .cmd = NL80211_CMD_DEL_MPATH, | |
2072 | .doit = nl80211_del_mpath, | |
2073 | .policy = nl80211_policy, | |
9f1ba906 JM |
2074 | .flags = GENL_ADMIN_PERM, |
2075 | }, | |
2076 | { | |
2077 | .cmd = NL80211_CMD_SET_BSS, | |
2078 | .doit = nl80211_set_bss, | |
2079 | .policy = nl80211_policy, | |
b2e1b302 LR |
2080 | .flags = GENL_ADMIN_PERM, |
2081 | }, | |
2082 | { | |
2083 | .cmd = NL80211_CMD_SET_REG, | |
2084 | .doit = nl80211_set_reg, | |
2085 | .policy = nl80211_policy, | |
2086 | .flags = GENL_ADMIN_PERM, | |
2087 | }, | |
2088 | { | |
2089 | .cmd = NL80211_CMD_REQ_SET_REG, | |
2090 | .doit = nl80211_req_set_reg, | |
2091 | .policy = nl80211_policy, | |
93da9cc1 | 2092 | .flags = GENL_ADMIN_PERM, |
2093 | }, | |
2094 | { | |
2095 | .cmd = NL80211_CMD_GET_MESH_PARAMS, | |
2096 | .doit = nl80211_get_mesh_params, | |
2097 | .policy = nl80211_policy, | |
2098 | /* can be retrieved by unprivileged users */ | |
2099 | }, | |
2100 | { | |
2101 | .cmd = NL80211_CMD_SET_MESH_PARAMS, | |
2102 | .doit = nl80211_set_mesh_params, | |
2103 | .policy = nl80211_policy, | |
5727ef1b JB |
2104 | .flags = GENL_ADMIN_PERM, |
2105 | }, | |
55682965 JB |
2106 | }; |
2107 | ||
2108 | /* multicast groups */ | |
2109 | static struct genl_multicast_group nl80211_config_mcgrp = { | |
2110 | .name = "config", | |
2111 | }; | |
2112 | ||
2113 | /* notification functions */ | |
2114 | ||
2115 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) | |
2116 | { | |
2117 | struct sk_buff *msg; | |
2118 | ||
2119 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
2120 | if (!msg) | |
2121 | return; | |
2122 | ||
2123 | if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) { | |
2124 | nlmsg_free(msg); | |
2125 | return; | |
2126 | } | |
2127 | ||
2128 | genlmsg_multicast(msg, 0, nl80211_config_mcgrp.id, GFP_KERNEL); | |
2129 | } | |
2130 | ||
2131 | /* initialisation/exit functions */ | |
2132 | ||
2133 | int nl80211_init(void) | |
2134 | { | |
2135 | int err, i; | |
2136 | ||
2137 | err = genl_register_family(&nl80211_fam); | |
2138 | if (err) | |
2139 | return err; | |
2140 | ||
2141 | for (i = 0; i < ARRAY_SIZE(nl80211_ops); i++) { | |
2142 | err = genl_register_ops(&nl80211_fam, &nl80211_ops[i]); | |
2143 | if (err) | |
2144 | goto err_out; | |
2145 | } | |
2146 | ||
2147 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); | |
2148 | if (err) | |
2149 | goto err_out; | |
2150 | ||
2151 | return 0; | |
2152 | err_out: | |
2153 | genl_unregister_family(&nl80211_fam); | |
2154 | return err; | |
2155 | } | |
2156 | ||
2157 | void nl80211_exit(void) | |
2158 | { | |
2159 | genl_unregister_family(&nl80211_fam); | |
2160 | } |