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/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>
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 },
114 /* message building helper */
115 static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq,
118 /* since there is no private header just add the generic one */
119 return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd);
122 /* netlink command implementations */
124 static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
125 struct cfg80211_registered_device *dev)
128 struct nlattr *nl_bands, *nl_band;
129 struct nlattr *nl_freqs, *nl_freq;
130 struct nlattr *nl_rates, *nl_rate;
131 struct nlattr *nl_modes;
132 enum ieee80211_band band;
133 struct ieee80211_channel *chan;
134 struct ieee80211_rate *rate;
136 u16 ifmodes = dev->wiphy.interface_modes;
138 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY);
142 NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->idx);
143 NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy));
145 nl_modes = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_IFTYPES);
147 goto nla_put_failure;
152 NLA_PUT_FLAG(msg, i);
157 nla_nest_end(msg, nl_modes);
159 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
161 goto nla_put_failure;
163 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
164 if (!dev->wiphy.bands[band])
167 nl_band = nla_nest_start(msg, band);
169 goto nla_put_failure;
172 if (dev->wiphy.bands[band]->ht_cap.ht_supported) {
173 NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET,
174 sizeof(dev->wiphy.bands[band]->ht_cap.mcs),
175 &dev->wiphy.bands[band]->ht_cap.mcs);
176 NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA,
177 dev->wiphy.bands[band]->ht_cap.cap);
178 NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
179 dev->wiphy.bands[band]->ht_cap.ampdu_factor);
180 NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
181 dev->wiphy.bands[band]->ht_cap.ampdu_density);
184 /* add frequencies */
185 nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS);
187 goto nla_put_failure;
189 for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) {
190 nl_freq = nla_nest_start(msg, i);
192 goto nla_put_failure;
194 chan = &dev->wiphy.bands[band]->channels[i];
195 NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ,
198 if (chan->flags & IEEE80211_CHAN_DISABLED)
199 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED);
200 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
201 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN);
202 if (chan->flags & IEEE80211_CHAN_NO_IBSS)
203 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS);
204 if (chan->flags & IEEE80211_CHAN_RADAR)
205 NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR);
207 NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
208 DBM_TO_MBM(chan->max_power));
210 nla_nest_end(msg, nl_freq);
213 nla_nest_end(msg, nl_freqs);
216 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
218 goto nla_put_failure;
220 for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) {
221 nl_rate = nla_nest_start(msg, i);
223 goto nla_put_failure;
225 rate = &dev->wiphy.bands[band]->bitrates[i];
226 NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE,
228 if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
230 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE);
232 nla_nest_end(msg, nl_rate);
235 nla_nest_end(msg, nl_rates);
237 nla_nest_end(msg, nl_band);
239 nla_nest_end(msg, nl_bands);
241 return genlmsg_end(msg, hdr);
244 genlmsg_cancel(msg, hdr);
248 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
251 int start = cb->args[0];
252 struct cfg80211_registered_device *dev;
254 mutex_lock(&cfg80211_drv_mutex);
255 list_for_each_entry(dev, &cfg80211_drv_list, list) {
258 if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid,
259 cb->nlh->nlmsg_seq, NLM_F_MULTI,
265 mutex_unlock(&cfg80211_drv_mutex);
272 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
275 struct cfg80211_registered_device *dev;
277 dev = cfg80211_get_dev_from_info(info);
281 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
285 if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0)
288 cfg80211_put_dev(dev);
290 return genlmsg_unicast(msg, info->snd_pid);
295 cfg80211_put_dev(dev);
299 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
300 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
301 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
302 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
303 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
304 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
307 static int parse_txq_params(struct nlattr *tb[],
308 struct ieee80211_txq_params *txq_params)
310 if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] ||
311 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
312 !tb[NL80211_TXQ_ATTR_AIFS])
315 txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]);
316 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
317 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
318 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
319 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
324 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
326 struct cfg80211_registered_device *rdev;
327 int result = 0, rem_txq_params = 0;
328 struct nlattr *nl_txq_params;
330 rdev = cfg80211_get_dev_from_info(info);
332 return PTR_ERR(rdev);
334 if (info->attrs[NL80211_ATTR_WIPHY_NAME]) {
335 result = cfg80211_dev_rename(
336 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
341 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
342 struct ieee80211_txq_params txq_params;
343 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
345 if (!rdev->ops->set_txq_params) {
346 result = -EOPNOTSUPP;
350 nla_for_each_nested(nl_txq_params,
351 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
353 nla_parse(tb, NL80211_TXQ_ATTR_MAX,
354 nla_data(nl_txq_params),
355 nla_len(nl_txq_params),
357 result = parse_txq_params(tb, &txq_params);
361 result = rdev->ops->set_txq_params(&rdev->wiphy,
368 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
369 enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
370 struct ieee80211_channel *chan;
371 struct ieee80211_sta_ht_cap *ht_cap;
374 if (!rdev->ops->set_channel) {
375 result = -EOPNOTSUPP;
381 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
382 channel_type = nla_get_u32(info->attrs[
383 NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
384 if (channel_type != NL80211_CHAN_NO_HT &&
385 channel_type != NL80211_CHAN_HT20 &&
386 channel_type != NL80211_CHAN_HT40PLUS &&
387 channel_type != NL80211_CHAN_HT40MINUS)
391 freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
392 chan = ieee80211_get_channel(&rdev->wiphy, freq);
394 /* Primary channel not allowed */
395 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
398 if (channel_type == NL80211_CHAN_HT40MINUS)
399 sec_freq = freq - 20;
400 else if (channel_type == NL80211_CHAN_HT40PLUS)
401 sec_freq = freq + 20;
405 ht_cap = &rdev->wiphy.bands[chan->band]->ht_cap;
407 /* no HT capabilities */
408 if (channel_type != NL80211_CHAN_NO_HT &&
409 !ht_cap->ht_supported)
413 struct ieee80211_channel *schan;
415 /* no 40 MHz capabilities */
416 if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ||
417 (ht_cap->cap & IEEE80211_HT_CAP_40MHZ_INTOLERANT))
420 schan = ieee80211_get_channel(&rdev->wiphy, sec_freq);
422 /* Secondary channel not allowed */
423 if (!schan || schan->flags & IEEE80211_CHAN_DISABLED)
427 result = rdev->ops->set_channel(&rdev->wiphy, chan,
435 cfg80211_put_dev(rdev);
440 static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
441 struct net_device *dev)
445 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE);
449 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
450 NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name);
451 NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype);
452 return genlmsg_end(msg, hdr);
455 genlmsg_cancel(msg, hdr);
459 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
463 int wp_start = cb->args[0];
464 int if_start = cb->args[1];
465 struct cfg80211_registered_device *dev;
466 struct wireless_dev *wdev;
468 mutex_lock(&cfg80211_drv_mutex);
469 list_for_each_entry(dev, &cfg80211_drv_list, list) {
470 if (wp_idx < wp_start) {
476 mutex_lock(&dev->devlist_mtx);
477 list_for_each_entry(wdev, &dev->netdev_list, list) {
478 if (if_idx < if_start) {
482 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid,
483 cb->nlh->nlmsg_seq, NLM_F_MULTI,
485 mutex_unlock(&dev->devlist_mtx);
490 mutex_unlock(&dev->devlist_mtx);
495 mutex_unlock(&cfg80211_drv_mutex);
497 cb->args[0] = wp_idx;
498 cb->args[1] = if_idx;
503 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
506 struct cfg80211_registered_device *dev;
507 struct net_device *netdev;
510 err = get_drv_dev_by_info_ifindex(info->attrs, &dev, &netdev);
514 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
518 if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, netdev) < 0)
522 cfg80211_put_dev(dev);
524 return genlmsg_unicast(msg, info->snd_pid);
530 cfg80211_put_dev(dev);
534 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
535 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
536 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
537 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
538 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
539 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
542 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
544 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
552 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
553 nla, mntr_flags_policy))
556 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
558 *mntrflags |= (1<<flag);
563 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
565 struct cfg80211_registered_device *drv;
566 struct vif_params params;
568 enum nl80211_iftype type;
569 struct net_device *dev;
570 u32 _flags, *flags = NULL;
572 memset(¶ms, 0, sizeof(params));
574 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
577 ifindex = dev->ifindex;
578 type = dev->ieee80211_ptr->iftype;
582 if (info->attrs[NL80211_ATTR_IFTYPE]) {
583 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
584 if (type > NL80211_IFTYPE_MAX)
588 if (!drv->ops->change_virtual_intf ||
589 !(drv->wiphy.interface_modes & (1 << type))) {
594 if (info->attrs[NL80211_ATTR_MESH_ID]) {
595 if (type != NL80211_IFTYPE_MESH_POINT) {
599 params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
600 params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
603 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
604 if (type != NL80211_IFTYPE_MONITOR) {
608 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
614 err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex,
615 type, flags, ¶ms);
617 dev = __dev_get_by_index(&init_net, ifindex);
618 WARN_ON(!dev || (!err && dev->ieee80211_ptr->iftype != type));
623 cfg80211_put_dev(drv);
627 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
629 struct cfg80211_registered_device *drv;
630 struct vif_params params;
632 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
635 memset(¶ms, 0, sizeof(params));
637 if (!info->attrs[NL80211_ATTR_IFNAME])
640 if (info->attrs[NL80211_ATTR_IFTYPE]) {
641 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
642 if (type > NL80211_IFTYPE_MAX)
646 drv = cfg80211_get_dev_from_info(info);
650 if (!drv->ops->add_virtual_intf ||
651 !(drv->wiphy.interface_modes & (1 << type))) {
656 if (type == NL80211_IFTYPE_MESH_POINT &&
657 info->attrs[NL80211_ATTR_MESH_ID]) {
658 params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
659 params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
663 err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
664 info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
666 err = drv->ops->add_virtual_intf(&drv->wiphy,
667 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
668 type, err ? NULL : &flags, ¶ms);
673 cfg80211_put_dev(drv);
677 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
679 struct cfg80211_registered_device *drv;
681 struct net_device *dev;
683 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
686 ifindex = dev->ifindex;
689 if (!drv->ops->del_virtual_intf) {
695 err = drv->ops->del_virtual_intf(&drv->wiphy, ifindex);
699 cfg80211_put_dev(drv);
703 struct get_key_cookie {
708 static void get_key_callback(void *c, struct key_params *params)
710 struct get_key_cookie *cookie = c;
713 NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA,
714 params->key_len, params->key);
717 NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ,
718 params->seq_len, params->seq);
721 NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
729 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
731 struct cfg80211_registered_device *drv;
733 struct net_device *dev;
736 struct get_key_cookie cookie = {
742 if (info->attrs[NL80211_ATTR_KEY_IDX])
743 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
748 if (info->attrs[NL80211_ATTR_MAC])
749 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
751 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
755 if (!drv->ops->get_key) {
760 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
766 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
767 NL80211_CMD_NEW_KEY);
776 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
777 NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
779 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
782 err = drv->ops->get_key(&drv->wiphy, dev, key_idx, mac_addr,
783 &cookie, get_key_callback);
790 goto nla_put_failure;
792 genlmsg_end(msg, hdr);
793 err = genlmsg_unicast(msg, info->snd_pid);
800 cfg80211_put_dev(drv);
805 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
807 struct cfg80211_registered_device *drv;
809 struct net_device *dev;
811 int (*func)(struct wiphy *wiphy, struct net_device *netdev,
814 if (!info->attrs[NL80211_ATTR_KEY_IDX])
817 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
819 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]) {
820 if (key_idx < 4 || key_idx > 5)
822 } else if (key_idx > 3)
825 /* currently only support setting default key */
826 if (!info->attrs[NL80211_ATTR_KEY_DEFAULT] &&
827 !info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT])
830 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
834 if (info->attrs[NL80211_ATTR_KEY_DEFAULT])
835 func = drv->ops->set_default_key;
837 func = drv->ops->set_default_mgmt_key;
845 err = func(&drv->wiphy, dev, key_idx);
849 cfg80211_put_dev(drv);
854 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
856 struct cfg80211_registered_device *drv;
858 struct net_device *dev;
859 struct key_params params;
863 memset(¶ms, 0, sizeof(params));
865 if (!info->attrs[NL80211_ATTR_KEY_CIPHER])
868 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
869 params.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
870 params.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
873 if (info->attrs[NL80211_ATTR_KEY_IDX])
874 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
876 params.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
878 if (info->attrs[NL80211_ATTR_MAC])
879 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
885 * Disallow pairwise keys with non-zero index unless it's WEP
886 * (because current deployments use pairwise WEP keys with
887 * non-zero indizes but 802.11i clearly specifies to use zero)
889 if (mac_addr && key_idx &&
890 params.cipher != WLAN_CIPHER_SUITE_WEP40 &&
891 params.cipher != WLAN_CIPHER_SUITE_WEP104)
894 /* TODO: add definitions for the lengths to linux/ieee80211.h */
895 switch (params.cipher) {
896 case WLAN_CIPHER_SUITE_WEP40:
897 if (params.key_len != 5)
900 case WLAN_CIPHER_SUITE_TKIP:
901 if (params.key_len != 32)
904 case WLAN_CIPHER_SUITE_CCMP:
905 if (params.key_len != 16)
908 case WLAN_CIPHER_SUITE_WEP104:
909 if (params.key_len != 13)
912 case WLAN_CIPHER_SUITE_AES_CMAC:
913 if (params.key_len != 16)
920 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
924 if (!drv->ops->add_key) {
930 err = drv->ops->add_key(&drv->wiphy, dev, key_idx, mac_addr, ¶ms);
934 cfg80211_put_dev(drv);
939 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
941 struct cfg80211_registered_device *drv;
943 struct net_device *dev;
947 if (info->attrs[NL80211_ATTR_KEY_IDX])
948 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
953 if (info->attrs[NL80211_ATTR_MAC])
954 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
956 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
960 if (!drv->ops->del_key) {
966 err = drv->ops->del_key(&drv->wiphy, dev, key_idx, mac_addr);
970 cfg80211_put_dev(drv);
975 static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
977 int (*call)(struct wiphy *wiphy, struct net_device *dev,
978 struct beacon_parameters *info);
979 struct cfg80211_registered_device *drv;
981 struct net_device *dev;
982 struct beacon_parameters params;
985 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
989 switch (info->genlhdr->cmd) {
990 case NL80211_CMD_NEW_BEACON:
991 /* these are required for NEW_BEACON */
992 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
993 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
994 !info->attrs[NL80211_ATTR_BEACON_HEAD]) {
999 call = drv->ops->add_beacon;
1001 case NL80211_CMD_SET_BEACON:
1002 call = drv->ops->set_beacon;
1015 memset(¶ms, 0, sizeof(params));
1017 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
1019 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
1023 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
1024 params.dtim_period =
1025 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
1029 if (info->attrs[NL80211_ATTR_BEACON_HEAD]) {
1030 params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]);
1032 nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]);
1036 if (info->attrs[NL80211_ATTR_BEACON_TAIL]) {
1037 params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]);
1039 nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]);
1049 err = call(&drv->wiphy, dev, ¶ms);
1053 cfg80211_put_dev(drv);
1058 static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
1060 struct cfg80211_registered_device *drv;
1062 struct net_device *dev;
1064 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1068 if (!drv->ops->del_beacon) {
1074 err = drv->ops->del_beacon(&drv->wiphy, dev);
1078 cfg80211_put_dev(drv);
1083 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
1084 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
1085 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
1086 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
1089 static int parse_station_flags(struct nlattr *nla, u32 *staflags)
1091 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
1099 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
1100 nla, sta_flags_policy))
1103 *staflags = STATION_FLAG_CHANGED;
1105 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++)
1107 *staflags |= (1<<flag);
1112 static u16 nl80211_calculate_bitrate(struct rate_info *rate)
1114 int modulation, streams, bitrate;
1116 if (!(rate->flags & RATE_INFO_FLAGS_MCS))
1117 return rate->legacy;
1119 /* the formula below does only work for MCS values smaller than 32 */
1120 if (rate->mcs >= 32)
1123 modulation = rate->mcs & 7;
1124 streams = (rate->mcs >> 3) + 1;
1126 bitrate = (rate->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) ?
1130 bitrate *= (modulation + 1);
1131 else if (modulation == 4)
1132 bitrate *= (modulation + 2);
1134 bitrate *= (modulation + 3);
1138 if (rate->flags & RATE_INFO_FLAGS_SHORT_GI)
1139 bitrate = (bitrate / 9) * 10;
1141 /* do NOT round down here */
1142 return (bitrate + 50000) / 100000;
1145 static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
1146 int flags, struct net_device *dev,
1147 u8 *mac_addr, struct station_info *sinfo)
1150 struct nlattr *sinfoattr, *txrate;
1153 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
1157 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
1158 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
1160 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
1162 goto nla_put_failure;
1163 if (sinfo->filled & STATION_INFO_INACTIVE_TIME)
1164 NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME,
1165 sinfo->inactive_time);
1166 if (sinfo->filled & STATION_INFO_RX_BYTES)
1167 NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES,
1169 if (sinfo->filled & STATION_INFO_TX_BYTES)
1170 NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES,
1172 if (sinfo->filled & STATION_INFO_LLID)
1173 NLA_PUT_U16(msg, NL80211_STA_INFO_LLID,
1175 if (sinfo->filled & STATION_INFO_PLID)
1176 NLA_PUT_U16(msg, NL80211_STA_INFO_PLID,
1178 if (sinfo->filled & STATION_INFO_PLINK_STATE)
1179 NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE,
1180 sinfo->plink_state);
1181 if (sinfo->filled & STATION_INFO_SIGNAL)
1182 NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL,
1184 if (sinfo->filled & STATION_INFO_TX_BITRATE) {
1185 txrate = nla_nest_start(msg, NL80211_STA_INFO_TX_BITRATE);
1187 goto nla_put_failure;
1189 /* nl80211_calculate_bitrate will return 0 for mcs >= 32 */
1190 bitrate = nl80211_calculate_bitrate(&sinfo->txrate);
1192 NLA_PUT_U16(msg, NL80211_RATE_INFO_BITRATE, bitrate);
1194 if (sinfo->txrate.flags & RATE_INFO_FLAGS_MCS)
1195 NLA_PUT_U8(msg, NL80211_RATE_INFO_MCS,
1197 if (sinfo->txrate.flags & RATE_INFO_FLAGS_40_MHZ_WIDTH)
1198 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_40_MHZ_WIDTH);
1199 if (sinfo->txrate.flags & RATE_INFO_FLAGS_SHORT_GI)
1200 NLA_PUT_FLAG(msg, NL80211_RATE_INFO_SHORT_GI);
1202 nla_nest_end(msg, txrate);
1204 nla_nest_end(msg, sinfoattr);
1206 return genlmsg_end(msg, hdr);
1209 genlmsg_cancel(msg, hdr);
1213 static int nl80211_dump_station(struct sk_buff *skb,
1214 struct netlink_callback *cb)
1216 struct station_info sinfo;
1217 struct cfg80211_registered_device *dev;
1218 struct net_device *netdev;
1219 u8 mac_addr[ETH_ALEN];
1220 int ifidx = cb->args[0];
1221 int sta_idx = cb->args[1];
1225 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
1226 nl80211_fam.attrbuf, nl80211_fam.maxattr,
1231 if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
1234 ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
1239 netdev = dev_get_by_index(&init_net, ifidx);
1243 dev = cfg80211_get_dev_from_ifindex(ifidx);
1246 goto out_put_netdev;
1249 if (!dev->ops->dump_station) {
1257 err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx,
1264 if (nl80211_send_station(skb,
1265 NETLINK_CB(cb->skb).pid,
1266 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1276 cb->args[1] = sta_idx;
1281 cfg80211_put_dev(dev);
1288 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
1290 struct cfg80211_registered_device *drv;
1292 struct net_device *dev;
1293 struct station_info sinfo;
1294 struct sk_buff *msg;
1295 u8 *mac_addr = NULL;
1297 memset(&sinfo, 0, sizeof(sinfo));
1299 if (!info->attrs[NL80211_ATTR_MAC])
1302 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1304 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1308 if (!drv->ops->get_station) {
1314 err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &sinfo);
1320 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
1324 if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0,
1325 dev, mac_addr, &sinfo) < 0)
1328 err = genlmsg_unicast(msg, info->snd_pid);
1335 cfg80211_put_dev(drv);
1341 * Get vlan interface making sure it is on the right wiphy.
1343 static int get_vlan(struct nlattr *vlanattr,
1344 struct cfg80211_registered_device *rdev,
1345 struct net_device **vlan)
1350 *vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr));
1353 if (!(*vlan)->ieee80211_ptr)
1355 if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy)
1361 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
1363 struct cfg80211_registered_device *drv;
1365 struct net_device *dev;
1366 struct station_parameters params;
1367 u8 *mac_addr = NULL;
1369 memset(¶ms, 0, sizeof(params));
1371 params.listen_interval = -1;
1373 if (info->attrs[NL80211_ATTR_STA_AID])
1376 if (!info->attrs[NL80211_ATTR_MAC])
1379 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1381 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
1382 params.supported_rates =
1383 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
1384 params.supported_rates_len =
1385 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
1388 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
1389 params.listen_interval =
1390 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
1392 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
1394 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
1396 if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS],
1397 ¶ms.station_flags))
1400 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
1401 params.plink_action =
1402 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
1404 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1408 err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan);
1412 if (!drv->ops->change_station) {
1418 err = drv->ops->change_station(&drv->wiphy, dev, mac_addr, ¶ms);
1423 dev_put(params.vlan);
1424 cfg80211_put_dev(drv);
1429 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
1431 struct cfg80211_registered_device *drv;
1433 struct net_device *dev;
1434 struct station_parameters params;
1435 u8 *mac_addr = NULL;
1437 memset(¶ms, 0, sizeof(params));
1439 if (!info->attrs[NL80211_ATTR_MAC])
1442 if (!info->attrs[NL80211_ATTR_STA_AID])
1445 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
1448 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
1451 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1452 params.supported_rates =
1453 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
1454 params.supported_rates_len =
1455 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
1456 params.listen_interval =
1457 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
1458 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
1459 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
1461 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
1463 if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS],
1464 ¶ms.station_flags))
1467 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1471 err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, ¶ms.vlan);
1475 if (!drv->ops->add_station) {
1481 err = drv->ops->add_station(&drv->wiphy, dev, mac_addr, ¶ms);
1486 dev_put(params.vlan);
1487 cfg80211_put_dev(drv);
1492 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
1494 struct cfg80211_registered_device *drv;
1496 struct net_device *dev;
1497 u8 *mac_addr = NULL;
1499 if (info->attrs[NL80211_ATTR_MAC])
1500 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
1502 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1506 if (!drv->ops->del_station) {
1512 err = drv->ops->del_station(&drv->wiphy, dev, mac_addr);
1516 cfg80211_put_dev(drv);
1521 static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq,
1522 int flags, struct net_device *dev,
1523 u8 *dst, u8 *next_hop,
1524 struct mpath_info *pinfo)
1527 struct nlattr *pinfoattr;
1529 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
1533 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
1534 NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
1535 NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop);
1537 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
1539 goto nla_put_failure;
1540 if (pinfo->filled & MPATH_INFO_FRAME_QLEN)
1541 NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
1543 if (pinfo->filled & MPATH_INFO_DSN)
1544 NLA_PUT_U32(msg, NL80211_MPATH_INFO_DSN,
1546 if (pinfo->filled & MPATH_INFO_METRIC)
1547 NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC,
1549 if (pinfo->filled & MPATH_INFO_EXPTIME)
1550 NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME,
1552 if (pinfo->filled & MPATH_INFO_FLAGS)
1553 NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS,
1555 if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT)
1556 NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
1557 pinfo->discovery_timeout);
1558 if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES)
1559 NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
1560 pinfo->discovery_retries);
1562 nla_nest_end(msg, pinfoattr);
1564 return genlmsg_end(msg, hdr);
1567 genlmsg_cancel(msg, hdr);
1571 static int nl80211_dump_mpath(struct sk_buff *skb,
1572 struct netlink_callback *cb)
1574 struct mpath_info pinfo;
1575 struct cfg80211_registered_device *dev;
1576 struct net_device *netdev;
1578 u8 next_hop[ETH_ALEN];
1579 int ifidx = cb->args[0];
1580 int path_idx = cb->args[1];
1584 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
1585 nl80211_fam.attrbuf, nl80211_fam.maxattr,
1590 if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX])
1593 ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]);
1598 netdev = dev_get_by_index(&init_net, ifidx);
1602 dev = cfg80211_get_dev_from_ifindex(ifidx);
1605 goto out_put_netdev;
1608 if (!dev->ops->dump_mpath) {
1616 err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx,
1617 dst, next_hop, &pinfo);
1623 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid,
1624 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1625 netdev, dst, next_hop,
1634 cb->args[1] = path_idx;
1639 cfg80211_put_dev(dev);
1646 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
1648 struct cfg80211_registered_device *drv;
1650 struct net_device *dev;
1651 struct mpath_info pinfo;
1652 struct sk_buff *msg;
1654 u8 next_hop[ETH_ALEN];
1656 memset(&pinfo, 0, sizeof(pinfo));
1658 if (!info->attrs[NL80211_ATTR_MAC])
1661 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
1663 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1667 if (!drv->ops->get_mpath) {
1673 err = drv->ops->get_mpath(&drv->wiphy, dev, dst, next_hop, &pinfo);
1679 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
1683 if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0,
1684 dev, dst, next_hop, &pinfo) < 0)
1687 err = genlmsg_unicast(msg, info->snd_pid);
1694 cfg80211_put_dev(drv);
1699 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
1701 struct cfg80211_registered_device *drv;
1703 struct net_device *dev;
1705 u8 *next_hop = NULL;
1707 if (!info->attrs[NL80211_ATTR_MAC])
1710 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
1713 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
1714 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
1716 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1720 if (!drv->ops->change_mpath) {
1726 err = drv->ops->change_mpath(&drv->wiphy, dev, dst, next_hop);
1730 cfg80211_put_dev(drv);
1734 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
1736 struct cfg80211_registered_device *drv;
1738 struct net_device *dev;
1740 u8 *next_hop = NULL;
1742 if (!info->attrs[NL80211_ATTR_MAC])
1745 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
1748 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
1749 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
1751 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1755 if (!drv->ops->add_mpath) {
1761 err = drv->ops->add_mpath(&drv->wiphy, dev, dst, next_hop);
1765 cfg80211_put_dev(drv);
1770 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
1772 struct cfg80211_registered_device *drv;
1774 struct net_device *dev;
1777 if (info->attrs[NL80211_ATTR_MAC])
1778 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
1780 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1784 if (!drv->ops->del_mpath) {
1790 err = drv->ops->del_mpath(&drv->wiphy, dev, dst);
1794 cfg80211_put_dev(drv);
1799 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
1801 struct cfg80211_registered_device *drv;
1803 struct net_device *dev;
1804 struct bss_parameters params;
1806 memset(¶ms, 0, sizeof(params));
1807 /* default to not changing parameters */
1808 params.use_cts_prot = -1;
1809 params.use_short_preamble = -1;
1810 params.use_short_slot_time = -1;
1812 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
1813 params.use_cts_prot =
1814 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
1815 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
1816 params.use_short_preamble =
1817 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
1818 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
1819 params.use_short_slot_time =
1820 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
1821 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
1822 params.basic_rates =
1823 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
1824 params.basic_rates_len =
1825 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
1828 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1832 if (!drv->ops->change_bss) {
1838 err = drv->ops->change_bss(&drv->wiphy, dev, ¶ms);
1842 cfg80211_put_dev(drv);
1847 static const struct nla_policy
1848 reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
1849 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
1850 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
1851 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
1852 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
1853 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
1854 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
1857 static int parse_reg_rule(struct nlattr *tb[],
1858 struct ieee80211_reg_rule *reg_rule)
1860 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
1861 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
1863 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
1865 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
1867 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
1869 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
1871 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1874 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
1876 freq_range->start_freq_khz =
1877 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
1878 freq_range->end_freq_khz =
1879 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
1880 freq_range->max_bandwidth_khz =
1881 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
1883 power_rule->max_eirp =
1884 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
1886 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
1887 power_rule->max_antenna_gain =
1888 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
1893 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
1898 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
1901 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
1903 #ifdef CONFIG_WIRELESS_OLD_REGULATORY
1904 /* We ignore world regdom requests with the old regdom setup */
1905 if (is_world_regdom(data))
1908 mutex_lock(&cfg80211_drv_mutex);
1909 r = __regulatory_hint(NULL, REGDOM_SET_BY_USER, data, 0, ENVIRON_ANY);
1910 mutex_unlock(&cfg80211_drv_mutex);
1911 /* This means the regulatory domain was already set, however
1912 * we don't want to confuse userspace with a "successful error"
1913 * message so lets just treat it as a success */
1919 static int nl80211_get_mesh_params(struct sk_buff *skb,
1920 struct genl_info *info)
1922 struct cfg80211_registered_device *drv;
1923 struct mesh_config cur_params;
1925 struct net_device *dev;
1927 struct nlattr *pinfoattr;
1928 struct sk_buff *msg;
1930 /* Look up our device */
1931 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
1935 /* Get the mesh params */
1937 err = drv->ops->get_mesh_params(&drv->wiphy, dev, &cur_params);
1942 /* Draw up a netlink message to send back */
1943 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
1948 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
1949 NL80211_CMD_GET_MESH_PARAMS);
1951 goto nla_put_failure;
1952 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_PARAMS);
1954 goto nla_put_failure;
1955 NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
1956 NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
1957 cur_params.dot11MeshRetryTimeout);
1958 NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
1959 cur_params.dot11MeshConfirmTimeout);
1960 NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
1961 cur_params.dot11MeshHoldingTimeout);
1962 NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
1963 cur_params.dot11MeshMaxPeerLinks);
1964 NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES,
1965 cur_params.dot11MeshMaxRetries);
1966 NLA_PUT_U8(msg, NL80211_MESHCONF_TTL,
1967 cur_params.dot11MeshTTL);
1968 NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
1969 cur_params.auto_open_plinks);
1970 NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
1971 cur_params.dot11MeshHWMPmaxPREQretries);
1972 NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
1973 cur_params.path_refresh_time);
1974 NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
1975 cur_params.min_discovery_timeout);
1976 NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
1977 cur_params.dot11MeshHWMPactivePathTimeout);
1978 NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
1979 cur_params.dot11MeshHWMPpreqMinInterval);
1980 NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1981 cur_params.dot11MeshHWMPnetDiameterTraversalTime);
1982 nla_nest_end(msg, pinfoattr);
1983 genlmsg_end(msg, hdr);
1984 err = genlmsg_unicast(msg, info->snd_pid);
1988 genlmsg_cancel(msg, hdr);
1992 cfg80211_put_dev(drv);
1997 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
1999 if (table[attr_num]) {\
2000 cfg.param = nla_fn(table[attr_num]); \
2001 mask |= (1 << (attr_num - 1)); \
2005 static struct nla_policy
2006 nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] __read_mostly = {
2007 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
2008 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
2009 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
2010 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
2011 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
2012 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
2013 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
2015 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
2016 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
2017 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
2018 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
2019 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
2020 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
2023 static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
2027 struct cfg80211_registered_device *drv;
2028 struct net_device *dev;
2029 struct mesh_config cfg;
2030 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
2031 struct nlattr *parent_attr;
2033 parent_attr = info->attrs[NL80211_ATTR_MESH_PARAMS];
2036 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
2037 parent_attr, nl80211_meshconf_params_policy))
2040 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
2044 /* This makes sure that there aren't more than 32 mesh config
2045 * parameters (otherwise our bitfield scheme would not work.) */
2046 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
2048 /* Fill in the params struct */
2050 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout,
2051 mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
2052 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout,
2053 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16);
2054 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout,
2055 mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16);
2056 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks,
2057 mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16);
2058 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries,
2059 mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
2060 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL,
2061 mask, NL80211_MESHCONF_TTL, nla_get_u8);
2062 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks,
2063 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8);
2064 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries,
2065 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
2067 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time,
2068 mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32);
2069 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout,
2070 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
2072 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
2073 mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
2075 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
2076 mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
2078 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
2079 dot11MeshHWMPnetDiameterTraversalTime,
2080 mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2085 err = drv->ops->set_mesh_params(&drv->wiphy, dev, &cfg, mask);
2089 cfg80211_put_dev(drv);
2094 #undef FILL_IN_MESH_PARAM_IF_SET
2096 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
2098 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
2099 struct nlattr *nl_reg_rule;
2100 char *alpha2 = NULL;
2101 int rem_reg_rules = 0, r = 0;
2102 u32 num_rules = 0, rule_idx = 0, size_of_regd;
2103 struct ieee80211_regdomain *rd = NULL;
2105 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
2108 if (!info->attrs[NL80211_ATTR_REG_RULES])
2111 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
2113 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
2116 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
2120 if (!reg_is_valid_request(alpha2))
2123 size_of_regd = sizeof(struct ieee80211_regdomain) +
2124 (num_rules * sizeof(struct ieee80211_reg_rule));
2126 rd = kzalloc(size_of_regd, GFP_KERNEL);
2130 rd->n_reg_rules = num_rules;
2131 rd->alpha2[0] = alpha2[0];
2132 rd->alpha2[1] = alpha2[1];
2134 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
2136 nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
2137 nla_data(nl_reg_rule), nla_len(nl_reg_rule),
2139 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
2145 if (rule_idx > NL80211_MAX_SUPP_REG_RULES)
2149 BUG_ON(rule_idx != num_rules);
2151 mutex_lock(&cfg80211_drv_mutex);
2153 mutex_unlock(&cfg80211_drv_mutex);
2161 static int nl80211_set_mgmt_extra_ie(struct sk_buff *skb,
2162 struct genl_info *info)
2164 struct cfg80211_registered_device *drv;
2166 struct net_device *dev;
2167 struct mgmt_extra_ie_params params;
2169 memset(¶ms, 0, sizeof(params));
2171 if (!info->attrs[NL80211_ATTR_MGMT_SUBTYPE])
2173 params.subtype = nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
2174 if (params.subtype > 15)
2175 return -EINVAL; /* FC Subtype field is 4 bits (0..15) */
2177 if (info->attrs[NL80211_ATTR_IE]) {
2178 params.ies = nla_data(info->attrs[NL80211_ATTR_IE]);
2179 params.ies_len = nla_len(info->attrs[NL80211_ATTR_IE]);
2182 err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
2186 if (drv->ops->set_mgmt_extra_ie) {
2188 err = drv->ops->set_mgmt_extra_ie(&drv->wiphy, dev, ¶ms);
2193 cfg80211_put_dev(drv);
2198 static struct genl_ops nl80211_ops[] = {
2200 .cmd = NL80211_CMD_GET_WIPHY,
2201 .doit = nl80211_get_wiphy,
2202 .dumpit = nl80211_dump_wiphy,
2203 .policy = nl80211_policy,
2204 /* can be retrieved by unprivileged users */
2207 .cmd = NL80211_CMD_SET_WIPHY,
2208 .doit = nl80211_set_wiphy,
2209 .policy = nl80211_policy,
2210 .flags = GENL_ADMIN_PERM,
2213 .cmd = NL80211_CMD_GET_INTERFACE,
2214 .doit = nl80211_get_interface,
2215 .dumpit = nl80211_dump_interface,
2216 .policy = nl80211_policy,
2217 /* can be retrieved by unprivileged users */
2220 .cmd = NL80211_CMD_SET_INTERFACE,
2221 .doit = nl80211_set_interface,
2222 .policy = nl80211_policy,
2223 .flags = GENL_ADMIN_PERM,
2226 .cmd = NL80211_CMD_NEW_INTERFACE,
2227 .doit = nl80211_new_interface,
2228 .policy = nl80211_policy,
2229 .flags = GENL_ADMIN_PERM,
2232 .cmd = NL80211_CMD_DEL_INTERFACE,
2233 .doit = nl80211_del_interface,
2234 .policy = nl80211_policy,
2235 .flags = GENL_ADMIN_PERM,
2238 .cmd = NL80211_CMD_GET_KEY,
2239 .doit = nl80211_get_key,
2240 .policy = nl80211_policy,
2241 .flags = GENL_ADMIN_PERM,
2244 .cmd = NL80211_CMD_SET_KEY,
2245 .doit = nl80211_set_key,
2246 .policy = nl80211_policy,
2247 .flags = GENL_ADMIN_PERM,
2250 .cmd = NL80211_CMD_NEW_KEY,
2251 .doit = nl80211_new_key,
2252 .policy = nl80211_policy,
2253 .flags = GENL_ADMIN_PERM,
2256 .cmd = NL80211_CMD_DEL_KEY,
2257 .doit = nl80211_del_key,
2258 .policy = nl80211_policy,
2259 .flags = GENL_ADMIN_PERM,
2262 .cmd = NL80211_CMD_SET_BEACON,
2263 .policy = nl80211_policy,
2264 .flags = GENL_ADMIN_PERM,
2265 .doit = nl80211_addset_beacon,
2268 .cmd = NL80211_CMD_NEW_BEACON,
2269 .policy = nl80211_policy,
2270 .flags = GENL_ADMIN_PERM,
2271 .doit = nl80211_addset_beacon,
2274 .cmd = NL80211_CMD_DEL_BEACON,
2275 .policy = nl80211_policy,
2276 .flags = GENL_ADMIN_PERM,
2277 .doit = nl80211_del_beacon,
2280 .cmd = NL80211_CMD_GET_STATION,
2281 .doit = nl80211_get_station,
2282 .dumpit = nl80211_dump_station,
2283 .policy = nl80211_policy,
2284 .flags = GENL_ADMIN_PERM,
2287 .cmd = NL80211_CMD_SET_STATION,
2288 .doit = nl80211_set_station,
2289 .policy = nl80211_policy,
2290 .flags = GENL_ADMIN_PERM,
2293 .cmd = NL80211_CMD_NEW_STATION,
2294 .doit = nl80211_new_station,
2295 .policy = nl80211_policy,
2296 .flags = GENL_ADMIN_PERM,
2299 .cmd = NL80211_CMD_DEL_STATION,
2300 .doit = nl80211_del_station,
2301 .policy = nl80211_policy,
2302 .flags = GENL_ADMIN_PERM,
2305 .cmd = NL80211_CMD_GET_MPATH,
2306 .doit = nl80211_get_mpath,
2307 .dumpit = nl80211_dump_mpath,
2308 .policy = nl80211_policy,
2309 .flags = GENL_ADMIN_PERM,
2312 .cmd = NL80211_CMD_SET_MPATH,
2313 .doit = nl80211_set_mpath,
2314 .policy = nl80211_policy,
2315 .flags = GENL_ADMIN_PERM,
2318 .cmd = NL80211_CMD_NEW_MPATH,
2319 .doit = nl80211_new_mpath,
2320 .policy = nl80211_policy,
2321 .flags = GENL_ADMIN_PERM,
2324 .cmd = NL80211_CMD_DEL_MPATH,
2325 .doit = nl80211_del_mpath,
2326 .policy = nl80211_policy,
2327 .flags = GENL_ADMIN_PERM,
2330 .cmd = NL80211_CMD_SET_BSS,
2331 .doit = nl80211_set_bss,
2332 .policy = nl80211_policy,
2333 .flags = GENL_ADMIN_PERM,
2336 .cmd = NL80211_CMD_SET_REG,
2337 .doit = nl80211_set_reg,
2338 .policy = nl80211_policy,
2339 .flags = GENL_ADMIN_PERM,
2342 .cmd = NL80211_CMD_REQ_SET_REG,
2343 .doit = nl80211_req_set_reg,
2344 .policy = nl80211_policy,
2345 .flags = GENL_ADMIN_PERM,
2348 .cmd = NL80211_CMD_GET_MESH_PARAMS,
2349 .doit = nl80211_get_mesh_params,
2350 .policy = nl80211_policy,
2351 /* can be retrieved by unprivileged users */
2354 .cmd = NL80211_CMD_SET_MESH_PARAMS,
2355 .doit = nl80211_set_mesh_params,
2356 .policy = nl80211_policy,
2357 .flags = GENL_ADMIN_PERM,
2360 .cmd = NL80211_CMD_SET_MGMT_EXTRA_IE,
2361 .doit = nl80211_set_mgmt_extra_ie,
2362 .policy = nl80211_policy,
2363 .flags = GENL_ADMIN_PERM,
2367 /* multicast groups */
2368 static struct genl_multicast_group nl80211_config_mcgrp = {
2372 /* notification functions */
2374 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
2376 struct sk_buff *msg;
2378 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
2382 if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) {
2387 genlmsg_multicast(msg, 0, nl80211_config_mcgrp.id, GFP_KERNEL);
2390 /* initialisation/exit functions */
2392 int nl80211_init(void)
2396 err = genl_register_family(&nl80211_fam);
2400 for (i = 0; i < ARRAY_SIZE(nl80211_ops); i++) {
2401 err = genl_register_ops(&nl80211_fam, &nl80211_ops[i]);
2406 err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp);
2412 genl_unregister_family(&nl80211_fam);
2416 void nl80211_exit(void)
2418 genl_unregister_family(&nl80211_fam);