2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/list.h>
11 #include <linux/if_ether.h>
12 #include <linux/ieee80211.h>
13 #include <linux/nl80211.h>
14 #include <linux/rtnetlink.h>
15 #include <linux/netlink.h>
16 #include <linux/etherdevice.h>
17 #include <net/genetlink.h>
18 #include <net/cfg80211.h>
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,
32 /* internal helper: get drv and dev */
33 static int get_drv_dev_by_info_ifindex(struct nlattr **attrs,
34 struct cfg80211_registered_device **drv,
35 struct net_device **dev)
39 if (!attrs[NL80211_ATTR_IFINDEX])
42 ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
43 *dev = dev_get_by_index(&init_net, ifindex);
47 *drv = cfg80211_get_dev_from_ifindex(ifindex);
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 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
62 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
63 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
65 [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
66 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
67 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
69 [NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN },
71 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
72 .len = WLAN_MAX_KEY_LEN },
73 [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
74 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
75 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
77 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
78 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
79 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
80 .len = IEEE80211_MAX_DATA_LEN },
81 [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
82 .len = IEEE80211_MAX_DATA_LEN },
83 [NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
84 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
85 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
86 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
87 .len = NL80211_MAX_SUPP_RATES },
88 [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
89 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
90 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
91 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
92 .len = IEEE80211_MAX_MESH_ID_LEN },
93 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
95 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
96 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
98 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
99 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
100 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
101 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
102 .len = NL80211_MAX_SUPP_RATES },
104 [NL80211_ATTR_MESH_PARAMS] = { .type = NLA_NESTED },
106 [NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY,
107 .len = NL80211_HT_CAPABILITY_LEN },
109 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
110 [NL80211_ATTR_IE] = { .type = NLA_BINARY,
111 .len = IEEE80211_MAX_DATA_LEN },
112 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
113 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
115 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
116 .len = IEEE80211_MAX_SSID_LEN },
117 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
118 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
121 /* message building helper */
122 static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq,
125 /* since there is no private header just add the generic one */
126 return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd);
129 /* netlink command implementations */
131 static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
132 struct cfg80211_registered_device *dev)
135 struct nlattr *nl_bands, *nl_band;
136 struct nlattr *nl_freqs, *nl_freq;
137 struct nlattr *nl_rates, *nl_rate;
138 struct nlattr *nl_modes;
139 struct nlattr *nl_cmds;
140 enum ieee80211_band band;
141 struct ieee80211_channel *chan;
142 struct ieee80211_rate *rate;
144 u16 ifmodes = dev->wiphy.interface_modes;
146 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY);
150 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx);
151 NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy));
152 NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
153 dev->wiphy.max_scan_ssids);
155 nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES);
157 goto nla_put_failure;
162 NLA_PUT_FLAG(msg, i);
167 nla_nest_end(msg, nl_modes);
169 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
171 goto nla_put_failure;
173 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
174 if (!dev->wiphy.bands[band])
177 nl_band = nla_nest_start(msg, band);
179 goto nla_put_failure;
182 if (dev->wiphy.bands[band]->ht_cap.ht_supported) {
183 NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET,
184 sizeof(dev->wiphy.bands[band]->ht_cap.mcs),
185 &dev->wiphy.bands[band]->ht_cap.mcs);
186 NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA,
187 dev->wiphy.bands[band]->ht_cap.cap);
188 NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
189 dev->wiphy.bands[band]->ht_cap.ampdu_factor);
190 NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
191 dev->wiphy.bands[band]->ht_cap.ampdu_density);
194 /* add frequencies */
195 nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS);
197 goto nla_put_failure;
199 for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) {
200 nl_freq = nla_nest_start(msg, i);
202 goto nla_put_failure;
204 chan = &dev->wiphy.bands[band]->channels[i];
205 NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ,
208 if (chan->flags & IEEE80211_CHAN_DISABLED)
209 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED);
210 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
211 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN);
212 if (chan->flags & IEEE80211_CHAN_NO_IBSS)
213 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS);
214 if (chan->flags & IEEE80211_CHAN_RADAR)
215 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR);
217 NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
218 DBM_TO_MBM(chan->max_power));
220 nla_nest_end(msg, nl_freq);
223 nla_nest_end(msg, nl_freqs);
226 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
228 goto nla_put_failure;
230 for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) {
231 nl_rate = nla_nest_start(msg, i);
233 goto nla_put_failure;
235 rate = &dev->wiphy.bands[band]->bitrates[i];
236 NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE,
238 if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
240 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE);
242 nla_nest_end(msg, nl_rate);
245 nla_nest_end(msg, nl_rates);
247 nla_nest_end(msg, nl_band);
249 nla_nest_end(msg, nl_bands);
251 nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
253 goto nla_put_failure;
258 if (dev->ops->op) { \
260 NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \
264 CMD(add_virtual_intf, NEW_INTERFACE);
265 CMD(change_virtual_intf, SET_INTERFACE);
266 CMD(add_key, NEW_KEY);
267 CMD(add_beacon, NEW_BEACON);
268 CMD(add_station, NEW_STATION);
269 CMD(add_mpath, NEW_MPATH);
270 CMD(set_mesh_params, SET_MESH_PARAMS);
271 CMD(change_bss, SET_BSS);
272 CMD(auth, AUTHENTICATE);
273 CMD(assoc, ASSOCIATE);
274 CMD(deauth, DEAUTHENTICATE);
275 CMD(disassoc, DISASSOCIATE);
278 nla_nest_end(msg, nl_cmds);
280 return genlmsg_end(msg, hdr);
283 genlmsg_cancel(msg, hdr);
287 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
290 int start = cb->args[0];
291 struct cfg80211_registered_device *dev;
293 mutex_lock(&cfg80211_mutex);
294 list_for_each_entry(dev, &cfg80211_drv_list, list) {
297 if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid,
298 cb->nlh->nlmsg_seq, NLM_F_MULTI,
304 mutex_unlock(&cfg80211_mutex);
311 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
314 struct cfg80211_registered_device *dev;
316 dev = cfg80211_get_dev_from_info(info);
320 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
324 if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0)
327 cfg80211_put_dev(dev);
329 return genlmsg_unicast(msg, info->snd_pid);
334 cfg80211_put_dev(dev);
338 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
339 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
340 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
341 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
342 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
343 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
346 static int parse_txq_params(struct nlattr *tb[],
347 struct ieee80211_txq_params *txq_params)
349 if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] ||
350 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
351 !tb[NL80211_TXQ_ATTR_AIFS])
354 txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]);
355 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
356 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
357 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
358 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
363 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
365 struct cfg80211_registered_device *rdev;
366 int result = 0, rem_txq_params = 0;
367 struct nlattr *nl_txq_params;
369 rdev = cfg80211_get_dev_from_info(info);
371 return PTR_ERR(rdev);
373 if (info->attrs[NL80211_ATTR_WIPHY_NAME]) {
374 result = cfg80211_dev_rename(
375 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
380 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
381 struct ieee80211_txq_params txq_params;
382 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
384 if (!rdev->ops->set_txq_params) {
385 result = -EOPNOTSUPP;
389 nla_for_each_nested(nl_txq_params,
390 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
392 nla_parse(tb, NL80211_TXQ_ATTR_MAX,
393 nla_data(nl_txq_params),
394 nla_len(nl_txq_params),
396 result = parse_txq_params(tb, &txq_params);
400 result = rdev->ops->set_txq_params(&rdev->wiphy,
407 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
408 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
409 struct ieee80211_channel *chan;
410 struct ieee80211_sta_ht_cap *ht_cap;
413 if (!rdev->ops->set_channel) {
414 result = -EOPNOTSUPP;
420 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
421 channel_type = nla_get_u32(info->attrs[
422 NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
423 if (channel_type != NL80211_CHAN_NO_HT &&
424 channel_type != NL80211_CHAN_HT20 &&
425 channel_type != NL80211_CHAN_HT40PLUS &&
426 channel_type != NL80211_CHAN_HT40MINUS)
430 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
431 chan = ieee80211_get_channel(&rdev->wiphy, freq);
433 /* Primary channel not allowed */
434 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
437 if (channel_type == NL80211_CHAN_HT40MINUS)
438 sec_freq = freq - 20;
439 else if (channel_type == NL80211_CHAN_HT40PLUS)
440 sec_freq = freq + 20;
444 ht_cap = &rdev->wiphy.bands[chan->band]->ht_cap;
446 /* no HT capabilities */
447 if (channel_type != NL80211_CHAN_NO_HT &&
448 !ht_cap->ht_supported)
452 struct ieee80211_channel *schan;
454 /* no 40 MHz capabilities */
455 if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ||
456 (ht_cap->cap & IEEE80211_HT_CAP_40MHZ_INTOLERANT))
459 schan = ieee80211_get_channel(&rdev->wiphy, sec_freq);
461 /* Secondary channel not allowed */
462 if (!schan || schan->flags & IEEE80211_CHAN_DISABLED)
466 result = rdev->ops->set_channel(&rdev->wiphy, chan,
474 cfg80211_put_dev(rdev);
479 static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
480 struct net_device *dev)
484 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE);
488 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
489 NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name);
490 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype);
491 return genlmsg_end(msg, hdr);
494 genlmsg_cancel(msg, hdr);
498 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
502 int wp_start = cb->args[0];
503 int if_start = cb->args[1];
504 struct cfg80211_registered_device *dev;
505 struct wireless_dev *wdev;
507 mutex_lock(&cfg80211_mutex);
508 list_for_each_entry(dev, &cfg80211_drv_list, list) {
509 if (wp_idx < wp_start) {
515 mutex_lock(&dev->devlist_mtx);
516 list_for_each_entry(wdev, &dev->netdev_list, list) {
517 if (if_idx < if_start) {
521 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid,
522 cb->nlh->nlmsg_seq, NLM_F_MULTI,
524 mutex_unlock(&dev->devlist_mtx);
529 mutex_unlock(&dev->devlist_mtx);
534 mutex_unlock(&cfg80211_mutex);
536 cb->args[0] = wp_idx;
537 cb->args[1] = if_idx;
542 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
545 struct cfg80211_registered_device *dev;
546 struct net_device *netdev;
549 err = get_drv_dev_by_info_ifindex(info->attrs, &dev, &netdev);
553 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
557 if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, netdev) < 0)
561 cfg80211_put_dev(dev);
563 return genlmsg_unicast(msg, info->snd_pid);
569 cfg80211_put_dev(dev);
573 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
574 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
575 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
576 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
577 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
578 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
581 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
583 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
591 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
592 nla, mntr_flags_policy))
595 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
597 *mntrflags |= (1<<flag);
602 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
604 struct cfg80211_registered_device *drv;
605 struct vif_params params;
607 enum nl80211_iftype type;
608 struct net_device *dev;
609 u32 _flags, *flags = NULL;
611 memset(¶ms, 0, sizeof(params));
615 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
619 ifindex = dev->ifindex;
620 type = dev->ieee80211_ptr->iftype;
624 if (info->attrs[NL80211_ATTR_IFTYPE]) {
625 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
626 if (type > NL80211_IFTYPE_MAX)
630 if (!drv->ops->change_virtual_intf ||
631 !(drv->wiphy.interface_modes & (1 << type))) {
636 if (info->attrs[NL80211_ATTR_MESH_ID]) {
637 if (type != NL80211_IFTYPE_MESH_POINT) {
641 params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
642 params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
645 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
646 if (type != NL80211_IFTYPE_MONITOR) {
650 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
656 err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex,
657 type, flags, ¶ms);
659 dev = __dev_get_by_index(&init_net, ifindex);
660 WARN_ON(!dev || (!err && dev->ieee80211_ptr->iftype != type));
663 cfg80211_put_dev(drv);
669 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
671 struct cfg80211_registered_device *drv;
672 struct vif_params params;
674 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
677 memset(¶ms, 0, sizeof(params));
679 if (!info->attrs[NL80211_ATTR_IFNAME])
682 if (info->attrs[NL80211_ATTR_IFTYPE]) {
683 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
684 if (type > NL80211_IFTYPE_MAX)
690 drv = cfg80211_get_dev_from_info(info);
696 if (!drv->ops->add_virtual_intf ||
697 !(drv->wiphy.interface_modes & (1 << type))) {
702 if (type == NL80211_IFTYPE_MESH_POINT &&
703 info->attrs[NL80211_ATTR_MESH_ID]) {
704 params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
705 params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
708 err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
709 info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
711 err = drv->ops->add_virtual_intf(&drv->wiphy,
712 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
713 type, err ? NULL : &flags, ¶ms);
716 cfg80211_put_dev(drv);
722 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
724 struct cfg80211_registered_device *drv;
726 struct net_device *dev;
730 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
733 ifindex = dev->ifindex;
736 if (!drv->ops->del_virtual_intf) {
741 err = drv->ops->del_virtual_intf(&drv->wiphy, ifindex);
744 cfg80211_put_dev(drv);
750 struct get_key_cookie {
755 static void get_key_callback(void *c, struct key_params *params)
757 struct get_key_cookie *cookie = c;
760 NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA,
761 params->key_len, params->key);
764 NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ,
765 params->seq_len, params->seq);
768 NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
776 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
778 struct cfg80211_registered_device *drv;
780 struct net_device *dev;
783 struct get_key_cookie cookie = {
789 if (info->attrs[NL80211_ATTR_KEY_IDX])
790 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
795 if (info->attrs[NL80211_ATTR_MAC])
796 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
800 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
804 if (!drv->ops->get_key) {
809 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
815 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
816 NL80211_CMD_NEW_KEY);
825 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
826 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
828 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
830 err = drv->ops->get_key(&drv->wiphy, dev, key_idx, mac_addr,
831 &cookie, get_key_callback);
837 goto nla_put_failure;
839 genlmsg_end(msg, hdr);
840 err = genlmsg_unicast(msg, info->snd_pid);
847 cfg80211_put_dev(drv);
855 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
857 struct cfg80211_registered_device *drv;
859 struct net_device *dev;
861 int (*func)(struct wiphy *wiphy, struct net_device *netdev,
864 if (!info->attrs[NL80211_ATTR_KEY_IDX])
867 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
869 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]) {
870 if (key_idx < 4 || key_idx > 5)
872 } else if (key_idx > 3)
875 /* currently only support setting default key */
876 if (!info->attrs[NL80211_ATTR_KEY_DEFAULT] &&
877 !info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT])
882 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
886 if (info->attrs[NL80211_ATTR_KEY_DEFAULT])
887 func = drv->ops->set_default_key;
889 func = drv->ops->set_default_mgmt_key;
896 err = func(&drv->wiphy, dev, key_idx);
899 cfg80211_put_dev(drv);
908 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
910 struct cfg80211_registered_device *drv;
912 struct net_device *dev;
913 struct key_params params;
917 memset(¶ms, 0, sizeof(params));
919 if (!info->attrs[NL80211_ATTR_KEY_CIPHER])
922 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
923 params.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
924 params.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
927 if (info->attrs[NL80211_ATTR_KEY_IDX])
928 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
930 params.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
932 if (info->attrs[NL80211_ATTR_MAC])
933 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
939 * Disallow pairwise keys with non-zero index unless it's WEP
940 * (because current deployments use pairwise WEP keys with
941 * non-zero indizes but 802.11i clearly specifies to use zero)
943 if (mac_addr && key_idx &&
944 params.cipher != WLAN_CIPHER_SUITE_WEP40 &&
945 params.cipher != WLAN_CIPHER_SUITE_WEP104)
948 /* TODO: add definitions for the lengths to linux/ieee80211.h */
949 switch (params.cipher) {
950 case WLAN_CIPHER_SUITE_WEP40:
951 if (params.key_len != 5)
954 case WLAN_CIPHER_SUITE_TKIP:
955 if (params.key_len != 32)
958 case WLAN_CIPHER_SUITE_CCMP:
959 if (params.key_len != 16)
962 case WLAN_CIPHER_SUITE_WEP104:
963 if (params.key_len != 13)
966 case WLAN_CIPHER_SUITE_AES_CMAC:
967 if (params.key_len != 16)
976 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
980 if (!drv->ops->add_key) {
985 err = drv->ops->add_key(&drv->wiphy, dev, key_idx, mac_addr, ¶ms);
988 cfg80211_put_dev(drv);
996 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
998 struct cfg80211_registered_device *drv;
1000 struct net_device *dev;
1002 u8 *mac_addr = NULL;
1004 if (info->attrs[NL80211_ATTR_KEY_IDX])
1005 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
1010 if (info->attrs[NL80211_ATTR_MAC])
1011 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1015 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1019 if (!drv->ops->del_key) {
1024 err = drv->ops->del_key(&drv->wiphy, dev, key_idx, mac_addr);
1027 cfg80211_put_dev(drv);
1036 static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
1038 int (*call)(struct wiphy *wiphy, struct net_device *dev,
1039 struct beacon_parameters *info);
1040 struct cfg80211_registered_device *drv;
1042 struct net_device *dev;
1043 struct beacon_parameters params;
1048 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1052 switch (info->genlhdr->cmd) {
1053 case NL80211_CMD_NEW_BEACON:
1054 /* these are required for NEW_BEACON */
1055 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
1056 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
1057 !info->attrs[NL80211_ATTR_BEACON_HEAD]) {
1062 call = drv->ops->add_beacon;
1064 case NL80211_CMD_SET_BEACON:
1065 call = drv->ops->set_beacon;
1078 memset(¶ms, 0, sizeof(params));
1080 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
1082 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
1086 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
1087 params.dtim_period =
1088 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
1092 if (info->attrs[NL80211_ATTR_BEACON_HEAD]) {
1093 params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]);
1095 nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]);
1099 if (info->attrs[NL80211_ATTR_BEACON_TAIL]) {
1100 params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]);
1102 nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]);
1111 err = call(&drv->wiphy, dev, ¶ms);
1114 cfg80211_put_dev(drv);
1122 static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
1124 struct cfg80211_registered_device *drv;
1126 struct net_device *dev;
1130 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1134 if (!drv->ops->del_beacon) {
1139 err = drv->ops->del_beacon(&drv->wiphy, dev);
1142 cfg80211_put_dev(drv);
1150 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
1151 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
1152 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
1153 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
1156 static int parse_station_flags(struct nlattr *nla, u32 *staflags)
1158 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
1166 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
1167 nla, sta_flags_policy))
1170 *staflags = STATION_FLAG_CHANGED;
1172 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++)
1174 *staflags |= (1<<flag);
1179 static u16 nl80211_calculate_bitrate(struct rate_info *rate)
1181 int modulation, streams, bitrate;
1183 if (!(rate->flags & RATE_INFO_FLAGS_MCS))
1184 return rate->legacy;
1186 /* the formula below does only work for MCS values smaller than 32 */
1187 if (rate->mcs >= 32)
1190 modulation = rate->mcs & 7;
1191 streams = (rate->mcs >> 3) + 1;
1193 bitrate = (rate->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) ?
1197 bitrate *= (modulation + 1);
1198 else if (modulation == 4)
1199 bitrate *= (modulation + 2);
1201 bitrate *= (modulation + 3);
1205 if (rate->flags & RATE_INFO_FLAGS_SHORT_GI)
1206 bitrate = (bitrate / 9) * 10;
1208 /* do NOT round down here */
1209 return (bitrate + 50000) / 100000;
1212 static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
1213 int flags, struct net_device *dev,
1214 u8 *mac_addr, struct station_info *sinfo)
1217 struct nlattr *sinfoattr, *txrate;
1220 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
1224 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
1225 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
1227 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
1229 goto nla_put_failure;
1230 if (sinfo->filled & STATION_INFO_INACTIVE_TIME)
1231 NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME,
1232 sinfo->inactive_time);
1233 if (sinfo->filled & STATION_INFO_RX_BYTES)
1234 NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES,
1236 if (sinfo->filled & STATION_INFO_TX_BYTES)
1237 NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES,
1239 if (sinfo->filled & STATION_INFO_LLID)
1240 NLA_PUT_U16(msg, NL80211_STA_INFO_LLID,
1242 if (sinfo->filled & STATION_INFO_PLID)
1243 NLA_PUT_U16(msg, NL80211_STA_INFO_PLID,
1245 if (sinfo->filled & STATION_INFO_PLINK_STATE)
1246 NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE,
1247 sinfo->plink_state);
1248 if (sinfo->filled & STATION_INFO_SIGNAL)
1249 NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL,
1251 if (sinfo->filled & STATION_INFO_TX_BITRATE) {
1252 txrate = nla_nest_start(msg, NL80211_STA_INFO_TX_BITRATE);
1254 goto nla_put_failure;
1256 /* nl80211_calculate_bitrate will return 0 for mcs >= 32 */
1257 bitrate = nl80211_calculate_bitrate(&sinfo->txrate);
1259 NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate);
1261 if (sinfo->txrate.flags & RATE_INFO_FLAGS_MCS)
1262 NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS,
1264 if (sinfo->txrate.flags & RATE_INFO_FLAGS_40_MHZ_WIDTH)
1265 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH);
1266 if (sinfo->txrate.flags & RATE_INFO_FLAGS_SHORT_GI)
1267 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI);
1269 nla_nest_end(msg, txrate);
1271 if (sinfo->filled & STATION_INFO_RX_PACKETS)
1272 NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS,
1274 if (sinfo->filled & STATION_INFO_TX_PACKETS)
1275 NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS,
1277 nla_nest_end(msg, sinfoattr);
1279 return genlmsg_end(msg, hdr);
1282 genlmsg_cancel(msg, hdr);
1286 static int nl80211_dump_station(struct sk_buff *skb,
1287 struct netlink_callback *cb)
1289 struct station_info sinfo;
1290 struct cfg80211_registered_device *dev;
1291 struct net_device *netdev;
1292 u8 mac_addr[ETH_ALEN];
1293 int ifidx = cb->args[0];
1294 int sta_idx = cb->args[1];
1298 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
1299 nl80211_fam.attrbuf, nl80211_fam.maxattr,
1304 if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
1307 ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
1314 netdev = __dev_get_by_index(&init_net, ifidx);
1320 dev = cfg80211_get_dev_from_ifindex(ifidx);
1326 if (!dev->ops->dump_station) {
1332 err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx,
1339 if (nl80211_send_station(skb,
1340 NETLINK_CB(cb->skb).pid,
1341 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1351 cb->args[1] = sta_idx;
1354 cfg80211_put_dev(dev);
1361 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
1363 struct cfg80211_registered_device *drv;
1365 struct net_device *dev;
1366 struct station_info sinfo;
1367 struct sk_buff *msg;
1368 u8 *mac_addr = NULL;
1370 memset(&sinfo, 0, sizeof(sinfo));
1372 if (!info->attrs[NL80211_ATTR_MAC])
1375 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1379 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1383 if (!drv->ops->get_station) {
1388 err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &sinfo);
1392 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
1396 if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0,
1397 dev, mac_addr, &sinfo) < 0)
1400 err = genlmsg_unicast(msg, info->snd_pid);
1406 cfg80211_put_dev(drv);
1415 * Get vlan interface making sure it is on the right wiphy.
1417 static int get_vlan(struct nlattr *vlanattr,
1418 struct cfg80211_registered_device *rdev,
1419 struct net_device **vlan)
1424 *vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr));
1427 if (!(*vlan)->ieee80211_ptr)
1429 if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy)
1435 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
1437 struct cfg80211_registered_device *drv;
1439 struct net_device *dev;
1440 struct station_parameters params;
1441 u8 *mac_addr = NULL;
1443 memset(¶ms, 0, sizeof(params));
1445 params.listen_interval = -1;
1447 if (info->attrs[NL80211_ATTR_STA_AID])
1450 if (!info->attrs[NL80211_ATTR_MAC])
1453 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1455 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
1456 params.supported_rates =
1457 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
1458 params.supported_rates_len =
1459 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
1462 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
1463 params.listen_interval =
1464 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
1466 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
1468 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
1470 if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS],
1471 ¶ms.station_flags))
1474 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
1475 params.plink_action =
1476 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
1480 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1484 err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan);
1488 if (!drv->ops->change_station) {
1493 err = drv->ops->change_station(&drv->wiphy, dev, mac_addr, ¶ms);
1497 dev_put(params.vlan);
1498 cfg80211_put_dev(drv);
1506 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
1508 struct cfg80211_registered_device *drv;
1510 struct net_device *dev;
1511 struct station_parameters params;
1512 u8 *mac_addr = NULL;
1514 memset(¶ms, 0, sizeof(params));
1516 if (!info->attrs[NL80211_ATTR_MAC])
1519 if (!info->attrs[NL80211_ATTR_STA_AID])
1522 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
1525 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
1528 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1529 params.supported_rates =
1530 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
1531 params.supported_rates_len =
1532 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
1533 params.listen_interval =
1534 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
1535 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
1536 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
1538 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
1540 if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS],
1541 ¶ms.station_flags))
1546 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1550 err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan);
1554 if (!drv->ops->add_station) {
1559 if (!netif_running(dev)) {
1564 err = drv->ops->add_station(&drv->wiphy, dev, mac_addr, ¶ms);
1568 dev_put(params.vlan);
1569 cfg80211_put_dev(drv);
1577 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
1579 struct cfg80211_registered_device *drv;
1581 struct net_device *dev;
1582 u8 *mac_addr = NULL;
1584 if (info->attrs[NL80211_ATTR_MAC])
1585 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1589 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1593 if (!drv->ops->del_station) {
1598 err = drv->ops->del_station(&drv->wiphy, dev, mac_addr);
1601 cfg80211_put_dev(drv);
1609 static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq,
1610 int flags, struct net_device *dev,
1611 u8 *dst, u8 *next_hop,
1612 struct mpath_info *pinfo)
1615 struct nlattr *pinfoattr;
1617 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
1621 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
1622 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
1623 NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop);
1625 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
1627 goto nla_put_failure;
1628 if (pinfo->filled & MPATH_INFO_FRAME_QLEN)
1629 NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
1631 if (pinfo->filled & MPATH_INFO_DSN)
1632 NLA_PUT_U32(msg, NL80211_MPATH_INFO_DSN,
1634 if (pinfo->filled & MPATH_INFO_METRIC)
1635 NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC,
1637 if (pinfo->filled & MPATH_INFO_EXPTIME)
1638 NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME,
1640 if (pinfo->filled & MPATH_INFO_FLAGS)
1641 NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS,
1643 if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT)
1644 NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
1645 pinfo->discovery_timeout);
1646 if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES)
1647 NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
1648 pinfo->discovery_retries);
1650 nla_nest_end(msg, pinfoattr);
1652 return genlmsg_end(msg, hdr);
1655 genlmsg_cancel(msg, hdr);
1659 static int nl80211_dump_mpath(struct sk_buff *skb,
1660 struct netlink_callback *cb)
1662 struct mpath_info pinfo;
1663 struct cfg80211_registered_device *dev;
1664 struct net_device *netdev;
1666 u8 next_hop[ETH_ALEN];
1667 int ifidx = cb->args[0];
1668 int path_idx = cb->args[1];
1672 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
1673 nl80211_fam.attrbuf, nl80211_fam.maxattr,
1678 if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
1681 ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
1688 netdev = __dev_get_by_index(&init_net, ifidx);
1694 dev = cfg80211_get_dev_from_ifindex(ifidx);
1700 if (!dev->ops->dump_mpath) {
1706 err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx,
1707 dst, next_hop, &pinfo);
1713 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid,
1714 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1715 netdev, dst, next_hop,
1724 cb->args[1] = path_idx;
1727 cfg80211_put_dev(dev);
1734 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
1736 struct cfg80211_registered_device *drv;
1738 struct net_device *dev;
1739 struct mpath_info pinfo;
1740 struct sk_buff *msg;
1742 u8 next_hop[ETH_ALEN];
1744 memset(&pinfo, 0, sizeof(pinfo));
1746 if (!info->attrs[NL80211_ATTR_MAC])
1749 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
1753 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1757 if (!drv->ops->get_mpath) {
1762 err = drv->ops->get_mpath(&drv->wiphy, dev, dst, next_hop, &pinfo);
1766 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
1770 if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0,
1771 dev, dst, next_hop, &pinfo) < 0)
1774 err = genlmsg_unicast(msg, info->snd_pid);
1780 cfg80211_put_dev(drv);
1788 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
1790 struct cfg80211_registered_device *drv;
1792 struct net_device *dev;
1794 u8 *next_hop = NULL;
1796 if (!info->attrs[NL80211_ATTR_MAC])
1799 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
1802 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
1803 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
1807 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1811 if (!drv->ops->change_mpath) {
1816 if (!netif_running(dev)) {
1821 err = drv->ops->change_mpath(&drv->wiphy, dev, dst, next_hop);
1824 cfg80211_put_dev(drv);
1831 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
1833 struct cfg80211_registered_device *drv;
1835 struct net_device *dev;
1837 u8 *next_hop = NULL;
1839 if (!info->attrs[NL80211_ATTR_MAC])
1842 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
1845 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
1846 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
1850 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1854 if (!drv->ops->add_mpath) {
1859 if (!netif_running(dev)) {
1864 err = drv->ops->add_mpath(&drv->wiphy, dev, dst, next_hop);
1867 cfg80211_put_dev(drv);
1875 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
1877 struct cfg80211_registered_device *drv;
1879 struct net_device *dev;
1882 if (info->attrs[NL80211_ATTR_MAC])
1883 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
1887 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1891 if (!drv->ops->del_mpath) {
1896 err = drv->ops->del_mpath(&drv->wiphy, dev, dst);
1899 cfg80211_put_dev(drv);
1907 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
1909 struct cfg80211_registered_device *drv;
1911 struct net_device *dev;
1912 struct bss_parameters params;
1914 memset(¶ms, 0, sizeof(params));
1915 /* default to not changing parameters */
1916 params.use_cts_prot = -1;
1917 params.use_short_preamble = -1;
1918 params.use_short_slot_time = -1;
1920 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
1921 params.use_cts_prot =
1922 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
1923 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
1924 params.use_short_preamble =
1925 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
1926 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
1927 params.use_short_slot_time =
1928 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
1929 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
1930 params.basic_rates =
1931 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
1932 params.basic_rates_len =
1933 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
1938 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1942 if (!drv->ops->change_bss) {
1947 err = drv->ops->change_bss(&drv->wiphy, dev, ¶ms);
1950 cfg80211_put_dev(drv);
1958 static const struct nla_policy
1959 reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
1960 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
1961 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
1962 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
1963 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
1964 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
1965 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
1968 static int parse_reg_rule(struct nlattr *tb[],
1969 struct ieee80211_reg_rule *reg_rule)
1971 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
1972 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
1974 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
1976 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
1978 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
1980 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
1982 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1985 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
1987 freq_range->start_freq_khz =
1988 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
1989 freq_range->end_freq_khz =
1990 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
1991 freq_range->max_bandwidth_khz =
1992 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
1994 power_rule->max_eirp =
1995 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
1997 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
1998 power_rule->max_antenna_gain =
1999 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
2004 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
2010 * You should only get this when cfg80211 hasn't yet initialized
2011 * completely when built-in to the kernel right between the time
2012 * window between nl80211_init() and regulatory_init(), if that is
2015 mutex_lock(&cfg80211_mutex);
2016 if (unlikely(!cfg80211_regdomain)) {
2017 mutex_unlock(&cfg80211_mutex);
2018 return -EINPROGRESS;
2020 mutex_unlock(&cfg80211_mutex);
2022 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
2025 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
2027 #ifdef CONFIG_WIRELESS_OLD_REGULATORY
2028 /* We ignore world regdom requests with the old regdom setup */
2029 if (is_world_regdom(data))
2033 r = regulatory_hint_user(data);
2038 static int nl80211_get_mesh_params(struct sk_buff *skb,
2039 struct genl_info *info)
2041 struct cfg80211_registered_device *drv;
2042 struct mesh_config cur_params;
2044 struct net_device *dev;
2046 struct nlattr *pinfoattr;
2047 struct sk_buff *msg;
2051 /* Look up our device */
2052 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
2056 if (!drv->ops->get_mesh_params) {
2061 /* Get the mesh params */
2062 err = drv->ops->get_mesh_params(&drv->wiphy, dev, &cur_params);
2066 /* Draw up a netlink message to send back */
2067 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
2072 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
2073 NL80211_CMD_GET_MESH_PARAMS);
2075 goto nla_put_failure;
2076 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_PARAMS);
2078 goto nla_put_failure;
2079 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
2080 NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
2081 cur_params.dot11MeshRetryTimeout);
2082 NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
2083 cur_params.dot11MeshConfirmTimeout);
2084 NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
2085 cur_params.dot11MeshHoldingTimeout);
2086 NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
2087 cur_params.dot11MeshMaxPeerLinks);
2088 NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES,
2089 cur_params.dot11MeshMaxRetries);
2090 NLA_PUT_U8(msg, NL80211_MESHCONF_TTL,
2091 cur_params.dot11MeshTTL);
2092 NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
2093 cur_params.auto_open_plinks);
2094 NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
2095 cur_params.dot11MeshHWMPmaxPREQretries);
2096 NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
2097 cur_params.path_refresh_time);
2098 NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
2099 cur_params.min_discovery_timeout);
2100 NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
2101 cur_params.dot11MeshHWMPactivePathTimeout);
2102 NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
2103 cur_params.dot11MeshHWMPpreqMinInterval);
2104 NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2105 cur_params.dot11MeshHWMPnetDiameterTraversalTime);
2106 nla_nest_end(msg, pinfoattr);
2107 genlmsg_end(msg, hdr);
2108 err = genlmsg_unicast(msg, info->snd_pid);
2112 genlmsg_cancel(msg, hdr);
2116 cfg80211_put_dev(drv);
2124 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
2126 if (table[attr_num]) {\
2127 cfg.param = nla_fn(table[attr_num]); \
2128 mask |= (1 << (attr_num - 1)); \
2132 static struct nla_policy
2133 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] __read_mostly = {
2134 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
2135 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
2136 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
2137 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
2138 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
2139 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
2140 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
2142 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
2143 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
2144 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
2145 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
2146 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
2147 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
2150 static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
2154 struct cfg80211_registered_device *drv;
2155 struct net_device *dev;
2156 struct mesh_config cfg;
2157 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
2158 struct nlattr *parent_attr;
2160 parent_attr = info->attrs[NL80211_ATTR_MESH_PARAMS];
2163 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
2164 parent_attr, nl80211_meshconf_params_policy))
2169 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
2173 if (!drv->ops->set_mesh_params) {
2178 /* This makes sure that there aren't more than 32 mesh config
2179 * parameters (otherwise our bitfield scheme would not work.) */
2180 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
2182 /* Fill in the params struct */
2184 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout,
2185 mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
2186 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout,
2187 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16);
2188 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout,
2189 mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16);
2190 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks,
2191 mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16);
2192 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries,
2193 mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
2194 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL,
2195 mask, NL80211_MESHCONF_TTL, nla_get_u8);
2196 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks,
2197 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8);
2198 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries,
2199 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
2201 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time,
2202 mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32);
2203 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout,
2204 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
2206 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
2207 mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
2209 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
2210 mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
2212 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
2213 dot11MeshHWMPnetDiameterTraversalTime,
2214 mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2218 err = drv->ops->set_mesh_params(&drv->wiphy, dev, &cfg, mask);
2222 cfg80211_put_dev(drv);
2230 #undef FILL_IN_MESH_PARAM_IF_SET
2232 static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
2234 struct sk_buff *msg;
2236 struct nlattr *nl_reg_rules;
2240 mutex_lock(&cfg80211_mutex);
2242 if (!cfg80211_regdomain)
2245 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
2251 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
2252 NL80211_CMD_GET_REG);
2254 goto nla_put_failure;
2256 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2,
2257 cfg80211_regdomain->alpha2);
2259 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
2261 goto nla_put_failure;
2263 for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) {
2264 struct nlattr *nl_reg_rule;
2265 const struct ieee80211_reg_rule *reg_rule;
2266 const struct ieee80211_freq_range *freq_range;
2267 const struct ieee80211_power_rule *power_rule;
2269 reg_rule = &cfg80211_regdomain->reg_rules[i];
2270 freq_range = ®_rule->freq_range;
2271 power_rule = ®_rule->power_rule;
2273 nl_reg_rule = nla_nest_start(msg, i);
2275 goto nla_put_failure;
2277 NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS,
2279 NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START,
2280 freq_range->start_freq_khz);
2281 NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END,
2282 freq_range->end_freq_khz);
2283 NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
2284 freq_range->max_bandwidth_khz);
2285 NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
2286 power_rule->max_antenna_gain);
2287 NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
2288 power_rule->max_eirp);
2290 nla_nest_end(msg, nl_reg_rule);
2293 nla_nest_end(msg, nl_reg_rules);
2295 genlmsg_end(msg, hdr);
2296 err = genlmsg_unicast(msg, info->snd_pid);
2300 genlmsg_cancel(msg, hdr);
2303 mutex_unlock(&cfg80211_mutex);
2307 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
2309 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
2310 struct nlattr *nl_reg_rule;
2311 char *alpha2 = NULL;
2312 int rem_reg_rules = 0, r = 0;
2313 u32 num_rules = 0, rule_idx = 0, size_of_regd;
2314 struct ieee80211_regdomain *rd = NULL;
2316 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
2319 if (!info->attrs[NL80211_ATTR_REG_RULES])
2322 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
2324 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
2327 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
2331 if (!reg_is_valid_request(alpha2))
2334 size_of_regd = sizeof(struct ieee80211_regdomain) +
2335 (num_rules * sizeof(struct ieee80211_reg_rule));
2337 rd = kzalloc(size_of_regd, GFP_KERNEL);
2341 rd->n_reg_rules = num_rules;
2342 rd->alpha2[0] = alpha2[0];
2343 rd->alpha2[1] = alpha2[1];
2345 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
2347 nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
2348 nla_data(nl_reg_rule), nla_len(nl_reg_rule),
2350 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
2356 if (rule_idx > NL80211_MAX_SUPP_REG_RULES)
2360 BUG_ON(rule_idx != num_rules);
2362 mutex_lock(&cfg80211_mutex);
2364 mutex_unlock(&cfg80211_mutex);
2372 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
2374 struct cfg80211_registered_device *drv;
2375 struct net_device *dev;
2376 struct cfg80211_scan_request *request;
2377 struct cfg80211_ssid *ssid;
2378 struct ieee80211_channel *channel;
2379 struct nlattr *attr;
2380 struct wiphy *wiphy;
2381 int err, tmp, n_ssids = 0, n_channels = 0, i;
2382 enum ieee80211_band band;
2387 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
2391 wiphy = &drv->wiphy;
2393 if (!drv->ops->scan) {
2398 if (!netif_running(dev)) {
2403 if (drv->scan_req) {
2408 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
2409 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp)
2416 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
2417 if (wiphy->bands[band])
2418 n_channels += wiphy->bands[band]->n_channels;
2421 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
2422 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
2425 if (n_ssids > wiphy->max_scan_ssids) {
2430 if (info->attrs[NL80211_ATTR_IE])
2431 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
2435 request = kzalloc(sizeof(*request)
2436 + sizeof(*ssid) * n_ssids
2437 + sizeof(channel) * n_channels
2438 + ie_len, GFP_KERNEL);
2444 request->channels = (void *)((char *)request + sizeof(*request));
2445 request->n_channels = n_channels;
2447 request->ssids = (void *)(request->channels + n_channels);
2448 request->n_ssids = n_ssids;
2451 request->ie = (void *)(request->ssids + n_ssids);
2453 request->ie = (void *)(request->channels + n_channels);
2456 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
2457 /* user specified, bail out if channel not found */
2458 request->n_channels = n_channels;
2460 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
2461 request->channels[i] = ieee80211_get_channel(wiphy, nla_get_u32(attr));
2462 if (!request->channels[i]) {
2471 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2473 if (!wiphy->bands[band])
2475 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
2476 request->channels[i] = &wiphy->bands[band]->channels[j];
2483 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
2484 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
2485 if (request->ssids[i].ssid_len > IEEE80211_MAX_SSID_LEN) {
2489 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
2490 request->ssids[i].ssid_len = nla_len(attr);
2495 if (info->attrs[NL80211_ATTR_IE]) {
2496 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
2497 memcpy(request->ie, nla_data(info->attrs[NL80211_ATTR_IE]),
2501 request->ifidx = dev->ifindex;
2502 request->wiphy = &drv->wiphy;
2504 drv->scan_req = request;
2505 err = drv->ops->scan(&drv->wiphy, dev, request);
2509 drv->scan_req = NULL;
2513 cfg80211_put_dev(drv);
2521 static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
2522 struct cfg80211_registered_device *rdev,
2523 struct net_device *dev,
2524 struct cfg80211_bss *res)
2529 hdr = nl80211hdr_put(msg, pid, seq, flags,
2530 NL80211_CMD_NEW_SCAN_RESULTS);
2534 NLA_PUT_U32(msg, NL80211_ATTR_SCAN_GENERATION,
2535 rdev->bss_generation);
2536 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
2538 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
2540 goto nla_put_failure;
2541 if (!is_zero_ether_addr(res->bssid))
2542 NLA_PUT(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid);
2543 if (res->information_elements && res->len_information_elements)
2544 NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS,
2545 res->len_information_elements,
2546 res->information_elements);
2548 NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf);
2549 if (res->beacon_interval)
2550 NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval);
2551 NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability);
2552 NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq);
2554 switch (rdev->wiphy.signal_type) {
2555 case CFG80211_SIGNAL_TYPE_MBM:
2556 NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal);
2558 case CFG80211_SIGNAL_TYPE_UNSPEC:
2559 NLA_PUT_U8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal);
2565 nla_nest_end(msg, bss);
2567 return genlmsg_end(msg, hdr);
2570 genlmsg_cancel(msg, hdr);
2574 static int nl80211_dump_scan(struct sk_buff *skb,
2575 struct netlink_callback *cb)
2577 struct cfg80211_registered_device *dev;
2578 struct net_device *netdev;
2579 struct cfg80211_internal_bss *scan;
2580 int ifidx = cb->args[0];
2581 int start = cb->args[1], idx = 0;
2585 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
2586 nl80211_fam.attrbuf, nl80211_fam.maxattr,
2591 if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
2594 ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
2597 cb->args[0] = ifidx;
2600 netdev = dev_get_by_index(&init_net, ifidx);
2604 dev = cfg80211_get_dev_from_ifindex(ifidx);
2607 goto out_put_netdev;
2610 spin_lock_bh(&dev->bss_lock);
2611 cfg80211_bss_expire(dev);
2613 list_for_each_entry(scan, &dev->bss_list, list) {
2616 if (nl80211_send_bss(skb,
2617 NETLINK_CB(cb->skb).pid,
2618 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2619 dev, netdev, &scan->pub) < 0) {
2626 spin_unlock_bh(&dev->bss_lock);
2630 cfg80211_put_dev(dev);
2637 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type)
2639 return auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM ||
2640 auth_type == NL80211_AUTHTYPE_SHARED_KEY ||
2641 auth_type == NL80211_AUTHTYPE_FT ||
2642 auth_type == NL80211_AUTHTYPE_NETWORK_EAP;
2645 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
2647 struct cfg80211_registered_device *drv;
2648 struct net_device *dev;
2649 struct cfg80211_auth_request req;
2650 struct wiphy *wiphy;
2655 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
2659 if (!drv->ops->auth) {
2664 if (!netif_running(dev)) {
2669 if (!info->attrs[NL80211_ATTR_MAC]) {
2674 wiphy = &drv->wiphy;
2675 memset(&req, 0, sizeof(req));
2677 req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2679 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2680 req.chan = ieee80211_get_channel(
2682 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
2689 if (info->attrs[NL80211_ATTR_SSID]) {
2690 req.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
2691 req.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
2694 if (info->attrs[NL80211_ATTR_IE]) {
2695 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
2696 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
2699 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
2701 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
2702 if (!nl80211_valid_auth_type(req.auth_type)) {
2708 err = drv->ops->auth(&drv->wiphy, dev, &req);
2711 cfg80211_put_dev(drv);
2718 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
2720 struct cfg80211_registered_device *drv;
2721 struct net_device *dev;
2722 struct cfg80211_assoc_request req;
2723 struct wiphy *wiphy;
2728 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
2732 if (!drv->ops->assoc) {
2737 if (!netif_running(dev)) {
2742 if (!info->attrs[NL80211_ATTR_MAC] ||
2743 !info->attrs[NL80211_ATTR_SSID]) {
2748 wiphy = &drv->wiphy;
2749 memset(&req, 0, sizeof(req));
2751 req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2753 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2754 req.chan = ieee80211_get_channel(
2756 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
2763 req.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
2764 req.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
2766 if (info->attrs[NL80211_ATTR_IE]) {
2767 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
2768 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
2771 err = drv->ops->assoc(&drv->wiphy, dev, &req);
2774 cfg80211_put_dev(drv);
2781 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
2783 struct cfg80211_registered_device *drv;
2784 struct net_device *dev;
2785 struct cfg80211_deauth_request req;
2786 struct wiphy *wiphy;
2791 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
2795 if (!drv->ops->deauth) {
2800 if (!netif_running(dev)) {
2805 if (!info->attrs[NL80211_ATTR_MAC]) {
2810 wiphy = &drv->wiphy;
2811 memset(&req, 0, sizeof(req));
2813 req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2815 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
2817 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
2818 if (req.reason_code == 0) {
2819 /* Reason Code 0 is reserved */
2825 if (info->attrs[NL80211_ATTR_IE]) {
2826 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
2827 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
2830 err = drv->ops->deauth(&drv->wiphy, dev, &req);
2833 cfg80211_put_dev(drv);
2840 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
2842 struct cfg80211_registered_device *drv;
2843 struct net_device *dev;
2844 struct cfg80211_disassoc_request req;
2845 struct wiphy *wiphy;
2850 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
2854 if (!drv->ops->disassoc) {
2859 if (!netif_running(dev)) {
2864 if (!info->attrs[NL80211_ATTR_MAC]) {
2869 wiphy = &drv->wiphy;
2870 memset(&req, 0, sizeof(req));
2872 req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2874 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
2876 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
2877 if (req.reason_code == 0) {
2878 /* Reason Code 0 is reserved */
2884 if (info->attrs[NL80211_ATTR_IE]) {
2885 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
2886 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
2889 err = drv->ops->disassoc(&drv->wiphy, dev, &req);
2892 cfg80211_put_dev(drv);
2899 static struct genl_ops nl80211_ops[] = {
2901 .cmd = NL80211_CMD_GET_WIPHY,
2902 .doit = nl80211_get_wiphy,
2903 .dumpit = nl80211_dump_wiphy,
2904 .policy = nl80211_policy,
2905 /* can be retrieved by unprivileged users */
2908 .cmd = NL80211_CMD_SET_WIPHY,
2909 .doit = nl80211_set_wiphy,
2910 .policy = nl80211_policy,
2911 .flags = GENL_ADMIN_PERM,
2914 .cmd = NL80211_CMD_GET_INTERFACE,
2915 .doit = nl80211_get_interface,
2916 .dumpit = nl80211_dump_interface,
2917 .policy = nl80211_policy,
2918 /* can be retrieved by unprivileged users */
2921 .cmd = NL80211_CMD_SET_INTERFACE,
2922 .doit = nl80211_set_interface,
2923 .policy = nl80211_policy,
2924 .flags = GENL_ADMIN_PERM,
2927 .cmd = NL80211_CMD_NEW_INTERFACE,
2928 .doit = nl80211_new_interface,
2929 .policy = nl80211_policy,
2930 .flags = GENL_ADMIN_PERM,
2933 .cmd = NL80211_CMD_DEL_INTERFACE,
2934 .doit = nl80211_del_interface,
2935 .policy = nl80211_policy,
2936 .flags = GENL_ADMIN_PERM,
2939 .cmd = NL80211_CMD_GET_KEY,
2940 .doit = nl80211_get_key,
2941 .policy = nl80211_policy,
2942 .flags = GENL_ADMIN_PERM,
2945 .cmd = NL80211_CMD_SET_KEY,
2946 .doit = nl80211_set_key,
2947 .policy = nl80211_policy,
2948 .flags = GENL_ADMIN_PERM,
2951 .cmd = NL80211_CMD_NEW_KEY,
2952 .doit = nl80211_new_key,
2953 .policy = nl80211_policy,
2954 .flags = GENL_ADMIN_PERM,
2957 .cmd = NL80211_CMD_DEL_KEY,
2958 .doit = nl80211_del_key,
2959 .policy = nl80211_policy,
2960 .flags = GENL_ADMIN_PERM,
2963 .cmd = NL80211_CMD_SET_BEACON,
2964 .policy = nl80211_policy,
2965 .flags = GENL_ADMIN_PERM,
2966 .doit = nl80211_addset_beacon,
2969 .cmd = NL80211_CMD_NEW_BEACON,
2970 .policy = nl80211_policy,
2971 .flags = GENL_ADMIN_PERM,
2972 .doit = nl80211_addset_beacon,
2975 .cmd = NL80211_CMD_DEL_BEACON,
2976 .policy = nl80211_policy,
2977 .flags = GENL_ADMIN_PERM,
2978 .doit = nl80211_del_beacon,
2981 .cmd = NL80211_CMD_GET_STATION,
2982 .doit = nl80211_get_station,
2983 .dumpit = nl80211_dump_station,
2984 .policy = nl80211_policy,
2987 .cmd = NL80211_CMD_SET_STATION,
2988 .doit = nl80211_set_station,
2989 .policy = nl80211_policy,
2990 .flags = GENL_ADMIN_PERM,
2993 .cmd = NL80211_CMD_NEW_STATION,
2994 .doit = nl80211_new_station,
2995 .policy = nl80211_policy,
2996 .flags = GENL_ADMIN_PERM,
2999 .cmd = NL80211_CMD_DEL_STATION,
3000 .doit = nl80211_del_station,
3001 .policy = nl80211_policy,
3002 .flags = GENL_ADMIN_PERM,
3005 .cmd = NL80211_CMD_GET_MPATH,
3006 .doit = nl80211_get_mpath,
3007 .dumpit = nl80211_dump_mpath,
3008 .policy = nl80211_policy,
3009 .flags = GENL_ADMIN_PERM,
3012 .cmd = NL80211_CMD_SET_MPATH,
3013 .doit = nl80211_set_mpath,
3014 .policy = nl80211_policy,
3015 .flags = GENL_ADMIN_PERM,
3018 .cmd = NL80211_CMD_NEW_MPATH,
3019 .doit = nl80211_new_mpath,
3020 .policy = nl80211_policy,
3021 .flags = GENL_ADMIN_PERM,
3024 .cmd = NL80211_CMD_DEL_MPATH,
3025 .doit = nl80211_del_mpath,
3026 .policy = nl80211_policy,
3027 .flags = GENL_ADMIN_PERM,
3030 .cmd = NL80211_CMD_SET_BSS,
3031 .doit = nl80211_set_bss,
3032 .policy = nl80211_policy,
3033 .flags = GENL_ADMIN_PERM,
3036 .cmd = NL80211_CMD_GET_REG,
3037 .doit = nl80211_get_reg,
3038 .policy = nl80211_policy,
3039 /* can be retrieved by unprivileged users */
3042 .cmd = NL80211_CMD_SET_REG,
3043 .doit = nl80211_set_reg,
3044 .policy = nl80211_policy,
3045 .flags = GENL_ADMIN_PERM,
3048 .cmd = NL80211_CMD_REQ_SET_REG,
3049 .doit = nl80211_req_set_reg,
3050 .policy = nl80211_policy,
3051 .flags = GENL_ADMIN_PERM,
3054 .cmd = NL80211_CMD_GET_MESH_PARAMS,
3055 .doit = nl80211_get_mesh_params,
3056 .policy = nl80211_policy,
3057 /* can be retrieved by unprivileged users */
3060 .cmd = NL80211_CMD_SET_MESH_PARAMS,
3061 .doit = nl80211_set_mesh_params,
3062 .policy = nl80211_policy,
3063 .flags = GENL_ADMIN_PERM,
3066 .cmd = NL80211_CMD_TRIGGER_SCAN,
3067 .doit = nl80211_trigger_scan,
3068 .policy = nl80211_policy,
3069 .flags = GENL_ADMIN_PERM,
3072 .cmd = NL80211_CMD_GET_SCAN,
3073 .policy = nl80211_policy,
3074 .dumpit = nl80211_dump_scan,
3077 .cmd = NL80211_CMD_AUTHENTICATE,
3078 .doit = nl80211_authenticate,
3079 .policy = nl80211_policy,
3080 .flags = GENL_ADMIN_PERM,
3083 .cmd = NL80211_CMD_ASSOCIATE,
3084 .doit = nl80211_associate,
3085 .policy = nl80211_policy,
3086 .flags = GENL_ADMIN_PERM,
3089 .cmd = NL80211_CMD_DEAUTHENTICATE,
3090 .doit = nl80211_deauthenticate,
3091 .policy = nl80211_policy,
3092 .flags = GENL_ADMIN_PERM,
3095 .cmd = NL80211_CMD_DISASSOCIATE,
3096 .doit = nl80211_disassociate,
3097 .policy = nl80211_policy,
3098 .flags = GENL_ADMIN_PERM,
3101 static struct genl_multicast_group nl80211_mlme_mcgrp = {
3105 /* multicast groups */
3106 static struct genl_multicast_group nl80211_config_mcgrp = {
3109 static struct genl_multicast_group nl80211_scan_mcgrp = {
3112 static struct genl_multicast_group nl80211_regulatory_mcgrp = {
3113 .name = "regulatory",
3116 /* notification functions */
3118 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
3120 struct sk_buff *msg;
3122 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
3126 if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) {
3131 genlmsg_multicast(msg, 0, nl80211_config_mcgrp.id, GFP_KERNEL);
3134 static int nl80211_send_scan_donemsg(struct sk_buff *msg,
3135 struct cfg80211_registered_device *rdev,
3136 struct net_device *netdev,
3137 u32 pid, u32 seq, int flags,
3142 hdr = nl80211hdr_put(msg, pid, seq, flags, cmd);
3146 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
3147 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
3149 /* XXX: we should probably bounce back the request? */
3151 return genlmsg_end(msg, hdr);
3154 genlmsg_cancel(msg, hdr);
3158 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
3159 struct net_device *netdev)
3161 struct sk_buff *msg;
3163 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
3167 if (nl80211_send_scan_donemsg(msg, rdev, netdev, 0, 0, 0,
3168 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
3173 genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
3176 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
3177 struct net_device *netdev)
3179 struct sk_buff *msg;
3181 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
3185 if (nl80211_send_scan_donemsg(msg, rdev, netdev, 0, 0, 0,
3186 NL80211_CMD_SCAN_ABORTED) < 0) {
3191 genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
3195 * This can happen on global regulatory changes or device specific settings
3196 * based on custom world regulatory domains.
3198 void nl80211_send_reg_change_event(struct regulatory_request *request)
3200 struct sk_buff *msg;
3203 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
3207 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE);
3213 /* Userspace can always count this one always being set */
3214 NLA_PUT_U8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator);
3216 if (request->alpha2[0] == '0' && request->alpha2[1] == '0')
3217 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
3218 NL80211_REGDOM_TYPE_WORLD);
3219 else if (request->alpha2[0] == '9' && request->alpha2[1] == '9')
3220 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
3221 NL80211_REGDOM_TYPE_CUSTOM_WORLD);
3222 else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
3224 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
3225 NL80211_REGDOM_TYPE_INTERSECTION);
3227 NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE,
3228 NL80211_REGDOM_TYPE_COUNTRY);
3229 NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, request->alpha2);
3232 if (wiphy_idx_valid(request->wiphy_idx))
3233 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx);
3235 if (genlmsg_end(msg, hdr) < 0) {
3240 genlmsg_multicast(msg, 0, nl80211_regulatory_mcgrp.id, GFP_KERNEL);
3245 genlmsg_cancel(msg, hdr);
3249 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
3250 struct net_device *netdev,
3251 const u8 *buf, size_t len,
3252 enum nl80211_commands cmd)
3254 struct sk_buff *msg;
3257 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
3261 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
3267 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
3268 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
3269 NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf);
3271 if (genlmsg_end(msg, hdr) < 0) {
3276 genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL);
3280 genlmsg_cancel(msg, hdr);
3284 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
3285 struct net_device *netdev, const u8 *buf, size_t len)
3287 nl80211_send_mlme_event(rdev, netdev, buf, len,
3288 NL80211_CMD_AUTHENTICATE);
3291 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
3292 struct net_device *netdev, const u8 *buf,
3295 nl80211_send_mlme_event(rdev, netdev, buf, len, NL80211_CMD_ASSOCIATE);
3298 void nl80211_send_rx_deauth(struct cfg80211_registered_device *rdev,
3299 struct net_device *netdev, const u8 *buf,
3302 nl80211_send_mlme_event(rdev, netdev, buf, len,
3303 NL80211_CMD_DEAUTHENTICATE);
3306 void nl80211_send_rx_disassoc(struct cfg80211_registered_device *rdev,
3307 struct net_device *netdev, const u8 *buf,
3310 nl80211_send_mlme_event(rdev, netdev, buf, len,
3311 NL80211_CMD_DISASSOCIATE);
3314 /* initialisation/exit functions */
3316 int nl80211_init(void)
3320 err = genl_register_family(&nl80211_fam);
3324 for (i = 0; i < ARRAY_SIZE(nl80211_ops); i++) {
3325 err = genl_register_ops(&nl80211_fam, &nl80211_ops[i]);
3330 err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp);
3334 err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp);
3338 err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp);
3342 err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp);
3348 genl_unregister_family(&nl80211_fam);
3352 void nl80211_exit(void)
3354 genl_unregister_family(&nl80211_fam);