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25#include <linux/kernel.h>
26#include <linux/if_arp.h>
27#include <linux/netdevice.h>
28#include <net/netlink.h>
29#include <net/genetlink.h>
30#include <net/sock.h>
31#include <linux/nl802154.h>
32#include <net/af_ieee802154.h>
33#include <net/nl802154.h>
34#include <net/ieee802154.h>
35#include <net/ieee802154_netdev.h>
36
37static unsigned int ieee802154_seq_num;
38static DEFINE_SPINLOCK(ieee802154_seq_lock);
39
40static struct genl_family ieee802154_coordinator_family = {
41 .id = GENL_ID_GENERATE,
42 .hdrsize = 0,
43 .name = IEEE802154_NL_NAME,
44 .version = 1,
45 .maxattr = IEEE802154_ATTR_MAX,
46};
47
48static struct genl_multicast_group ieee802154_coord_mcgrp = {
49 .name = IEEE802154_MCAST_COORD_NAME,
50};
51
52static struct genl_multicast_group ieee802154_beacon_mcgrp = {
53 .name = IEEE802154_MCAST_BEACON_NAME,
54};
55
56
57static struct sk_buff *ieee802154_nl_create(int flags, u8 req)
58{
59 void *hdr;
60 struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
61 unsigned long f;
62
63 if (!msg)
64 return NULL;
65
66 spin_lock_irqsave(&ieee802154_seq_lock, f);
67 hdr = genlmsg_put(msg, 0, ieee802154_seq_num++,
68 &ieee802154_coordinator_family, flags, req);
69 spin_unlock_irqrestore(&ieee802154_seq_lock, f);
70 if (!hdr) {
71 nlmsg_free(msg);
72 return NULL;
73 }
74
75 return msg;
76}
77
78static int ieee802154_nl_finish(struct sk_buff *msg)
79{
80
81 void *hdr = genlmsg_data(NLMSG_DATA(msg->data));
82
83 if (genlmsg_end(msg, hdr) < 0)
84 goto out;
85
86 return genlmsg_multicast(msg, 0, ieee802154_coord_mcgrp.id,
87 GFP_ATOMIC);
88out:
89 nlmsg_free(msg);
90 return -ENOBUFS;
91}
92
93int ieee802154_nl_assoc_indic(struct net_device *dev,
94 struct ieee802154_addr *addr, u8 cap)
95{
96 struct sk_buff *msg;
97
98 pr_debug("%s\n", __func__);
99
100 if (addr->addr_type != IEEE802154_ADDR_LONG) {
101 pr_err("%s: received non-long source address!\n", __func__);
102 return -EINVAL;
103 }
104
105 msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_INDIC);
106 if (!msg)
107 return -ENOBUFS;
108
109 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
110 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
111 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
112 dev->dev_addr);
113
114 NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
115 addr->hwaddr);
116
117 NLA_PUT_U8(msg, IEEE802154_ATTR_CAPABILITY, cap);
118
119 return ieee802154_nl_finish(msg);
120
121nla_put_failure:
122 nlmsg_free(msg);
123 return -ENOBUFS;
124}
125EXPORT_SYMBOL(ieee802154_nl_assoc_indic);
126
127int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr,
128 u8 status)
129{
130 struct sk_buff *msg;
131
132 pr_debug("%s\n", __func__);
133
134 msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_CONF);
135 if (!msg)
136 return -ENOBUFS;
137
138 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
139 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
140 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
141 dev->dev_addr);
142
143 NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr);
144 NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
145
146 return ieee802154_nl_finish(msg);
147
148nla_put_failure:
149 nlmsg_free(msg);
150 return -ENOBUFS;
151}
152EXPORT_SYMBOL(ieee802154_nl_assoc_confirm);
153
154int ieee802154_nl_disassoc_indic(struct net_device *dev,
155 struct ieee802154_addr *addr, u8 reason)
156{
157 struct sk_buff *msg;
158
159 pr_debug("%s\n", __func__);
160
161 msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_INDIC);
162 if (!msg)
163 return -ENOBUFS;
164
165 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
166 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
167 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
168 dev->dev_addr);
169
170 if (addr->addr_type == IEEE802154_ADDR_LONG)
171 NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
172 addr->hwaddr);
173 else
174 NLA_PUT_U16(msg, IEEE802154_ATTR_SRC_SHORT_ADDR,
175 addr->short_addr);
176
177 NLA_PUT_U8(msg, IEEE802154_ATTR_REASON, reason);
178
179 return ieee802154_nl_finish(msg);
180
181nla_put_failure:
182 nlmsg_free(msg);
183 return -ENOBUFS;
184}
185EXPORT_SYMBOL(ieee802154_nl_disassoc_indic);
186
187int ieee802154_nl_disassoc_confirm(struct net_device *dev, u8 status)
188{
189 struct sk_buff *msg;
190
191 pr_debug("%s\n", __func__);
192
193 msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_CONF);
194 if (!msg)
195 return -ENOBUFS;
196
197 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
198 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
199 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
200 dev->dev_addr);
201
202 NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
203
204 return ieee802154_nl_finish(msg);
205
206nla_put_failure:
207 nlmsg_free(msg);
208 return -ENOBUFS;
209}
210EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm);
211
212int ieee802154_nl_beacon_indic(struct net_device *dev,
213 u16 panid, u16 coord_addr)
214{
215 struct sk_buff *msg;
216
217 pr_debug("%s\n", __func__);
218
219 msg = ieee802154_nl_create(0, IEEE802154_BEACON_NOTIFY_INDIC);
220 if (!msg)
221 return -ENOBUFS;
222
223 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
224 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
225 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
226 dev->dev_addr);
227 NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, coord_addr);
228 NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_PAN_ID, panid);
229
230 return ieee802154_nl_finish(msg);
231
232nla_put_failure:
233 nlmsg_free(msg);
234 return -ENOBUFS;
235}
236EXPORT_SYMBOL(ieee802154_nl_beacon_indic);
237
238int ieee802154_nl_scan_confirm(struct net_device *dev,
239 u8 status, u8 scan_type, u32 unscanned, u8 page,
240 u8 *edl)
241{
242 struct sk_buff *msg;
243
244 pr_debug("%s\n", __func__);
245
246 msg = ieee802154_nl_create(0, IEEE802154_SCAN_CONF);
247 if (!msg)
248 return -ENOBUFS;
249
250 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
251 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
252 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
253 dev->dev_addr);
254
255 NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
256 NLA_PUT_U8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type);
257 NLA_PUT_U32(msg, IEEE802154_ATTR_CHANNELS, unscanned);
258 NLA_PUT_U8(msg, IEEE802154_ATTR_PAGE, page);
259
260 if (edl)
261 NLA_PUT(msg, IEEE802154_ATTR_ED_LIST, 27, edl);
262
263 return ieee802154_nl_finish(msg);
264
265nla_put_failure:
266 nlmsg_free(msg);
267 return -ENOBUFS;
268}
269EXPORT_SYMBOL(ieee802154_nl_scan_confirm);
270
271int ieee802154_nl_start_confirm(struct net_device *dev, u8 status)
272{
273 struct sk_buff *msg;
274
275 pr_debug("%s\n", __func__);
276
277 msg = ieee802154_nl_create(0, IEEE802154_START_CONF);
278 if (!msg)
279 return -ENOBUFS;
280
281 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
282 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
283 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
284 dev->dev_addr);
285
286 NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
287
288 return ieee802154_nl_finish(msg);
289
290nla_put_failure:
291 nlmsg_free(msg);
292 return -ENOBUFS;
293}
294EXPORT_SYMBOL(ieee802154_nl_start_confirm);
295
296static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 pid,
297 u32 seq, int flags, struct net_device *dev)
298{
299 void *hdr;
300
301 pr_debug("%s\n", __func__);
302
303 hdr = genlmsg_put(msg, 0, seq, &ieee802154_coordinator_family, flags,
304 IEEE802154_LIST_IFACE);
305 if (!hdr)
306 goto out;
307
308 NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
309 NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
310
311 NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
312 dev->dev_addr);
313 NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR,
314 ieee802154_mlme_ops(dev)->get_short_addr(dev));
315 NLA_PUT_U16(msg, IEEE802154_ATTR_PAN_ID,
316 ieee802154_mlme_ops(dev)->get_pan_id(dev));
317 return genlmsg_end(msg, hdr);
318
319nla_put_failure:
320 genlmsg_cancel(msg, hdr);
321out:
322 return -EMSGSIZE;
323}
324
325
326static struct net_device *ieee802154_nl_get_dev(struct genl_info *info)
327{
328 struct net_device *dev;
329
330 if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
331 char name[IFNAMSIZ + 1];
332 nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
333 sizeof(name));
334 dev = dev_get_by_name(&init_net, name);
335 } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX])
336 dev = dev_get_by_index(&init_net,
337 nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX]));
338 else
339 return NULL;
340
341 if (!dev)
342 return NULL;
343
344 if (dev->type != ARPHRD_IEEE802154) {
345 dev_put(dev);
346 return NULL;
347 }
348
349 return dev;
350}
351
352static int ieee802154_associate_req(struct sk_buff *skb,
353 struct genl_info *info)
354{
355 struct net_device *dev;
356 struct ieee802154_addr addr;
357 u8 page;
358 int ret = -EINVAL;
359
360 if (!info->attrs[IEEE802154_ATTR_CHANNEL] ||
361 !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
362 (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] &&
363 !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) ||
364 !info->attrs[IEEE802154_ATTR_CAPABILITY])
365 return -EINVAL;
366
367 dev = ieee802154_nl_get_dev(info);
368 if (!dev)
369 return -ENODEV;
370
371 if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) {
372 addr.addr_type = IEEE802154_ADDR_LONG;
373 nla_memcpy(addr.hwaddr,
374 info->attrs[IEEE802154_ATTR_COORD_HW_ADDR],
375 IEEE802154_ADDR_LEN);
376 } else {
377 addr.addr_type = IEEE802154_ADDR_SHORT;
378 addr.short_addr = nla_get_u16(
379 info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
380 }
381 addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
382
383 if (info->attrs[IEEE802154_ATTR_PAGE])
384 page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
385 else
386 page = 0;
387
388 ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr,
389 nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]),
390 page,
391 nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY]));
392
393 dev_put(dev);
394 return ret;
395}
396
397static int ieee802154_associate_resp(struct sk_buff *skb,
398 struct genl_info *info)
399{
400 struct net_device *dev;
401 struct ieee802154_addr addr;
402 int ret = -EINVAL;
403
404 if (!info->attrs[IEEE802154_ATTR_STATUS] ||
405 !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] ||
406 !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR])
407 return -EINVAL;
408
409 dev = ieee802154_nl_get_dev(info);
410 if (!dev)
411 return -ENODEV;
412
413 addr.addr_type = IEEE802154_ADDR_LONG;
414 nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
415 IEEE802154_ADDR_LEN);
416 addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
417
418
419 ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr,
420 nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]),
421 nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS]));
422
423 dev_put(dev);
424 return ret;
425}
426
427static int ieee802154_disassociate_req(struct sk_buff *skb,
428 struct genl_info *info)
429{
430 struct net_device *dev;
431 struct ieee802154_addr addr;
432 int ret = -EINVAL;
433
434 if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] &&
435 !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) ||
436 !info->attrs[IEEE802154_ATTR_REASON])
437 return -EINVAL;
438
439 dev = ieee802154_nl_get_dev(info);
440 if (!dev)
441 return -ENODEV;
442
443 if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) {
444 addr.addr_type = IEEE802154_ADDR_LONG;
445 nla_memcpy(addr.hwaddr,
446 info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
447 IEEE802154_ADDR_LEN);
448 } else {
449 addr.addr_type = IEEE802154_ADDR_SHORT;
450 addr.short_addr = nla_get_u16(
451 info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]);
452 }
453 addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
454
455 ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr,
456 nla_get_u8(info->attrs[IEEE802154_ATTR_REASON]));
457
458 dev_put(dev);
459 return ret;
460}
461
462
463
464
465
466
467static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
468{
469 struct net_device *dev;
470 struct ieee802154_addr addr;
471
472 u8 channel, bcn_ord, sf_ord;
473 u8 page;
474 int pan_coord, blx, coord_realign;
475 int ret;
476
477 if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
478 !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] ||
479 !info->attrs[IEEE802154_ATTR_CHANNEL] ||
480 !info->attrs[IEEE802154_ATTR_BCN_ORD] ||
481 !info->attrs[IEEE802154_ATTR_SF_ORD] ||
482 !info->attrs[IEEE802154_ATTR_PAN_COORD] ||
483 !info->attrs[IEEE802154_ATTR_BAT_EXT] ||
484 !info->attrs[IEEE802154_ATTR_COORD_REALIGN]
485 )
486 return -EINVAL;
487
488 dev = ieee802154_nl_get_dev(info);
489 if (!dev)
490 return -ENODEV;
491
492 addr.addr_type = IEEE802154_ADDR_SHORT;
493 addr.short_addr = nla_get_u16(
494 info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
495 addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
496
497 channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]);
498 bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]);
499 sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]);
500 pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]);
501 blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]);
502 coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]);
503
504 if (info->attrs[IEEE802154_ATTR_PAGE])
505 page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
506 else
507 page = 0;
508
509
510 if (addr.short_addr == IEEE802154_ADDR_BROADCAST) {
511 ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS);
512 dev_put(dev);
513 return -EINVAL;
514 }
515
516 ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, page,
517 bcn_ord, sf_ord, pan_coord, blx, coord_realign);
518
519 dev_put(dev);
520 return ret;
521}
522
523static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
524{
525 struct net_device *dev;
526 int ret;
527 u8 type;
528 u32 channels;
529 u8 duration;
530 u8 page;
531
532 if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] ||
533 !info->attrs[IEEE802154_ATTR_CHANNELS] ||
534 !info->attrs[IEEE802154_ATTR_DURATION])
535 return -EINVAL;
536
537 dev = ieee802154_nl_get_dev(info);
538 if (!dev)
539 return -ENODEV;
540
541 type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]);
542 channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]);
543 duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]);
544
545 if (info->attrs[IEEE802154_ATTR_PAGE])
546 page = nla_get_u8(info->attrs[IEEE802154_ATTR_PAGE]);
547 else
548 page = 0;
549
550
551 ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels, page,
552 duration);
553
554 dev_put(dev);
555 return ret;
556}
557
558static int ieee802154_list_iface(struct sk_buff *skb,
559 struct genl_info *info)
560{
561
562
563 struct sk_buff *msg;
564 struct net_device *dev = NULL;
565 int rc = -ENOBUFS;
566
567 pr_debug("%s\n", __func__);
568
569 dev = ieee802154_nl_get_dev(info);
570 if (!dev)
571 return -ENODEV;
572
573 msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
574 if (!msg)
575 goto out_dev;
576
577 rc = ieee802154_nl_fill_iface(msg, info->snd_pid, info->snd_seq,
578 0, dev);
579 if (rc < 0)
580 goto out_free;
581
582 dev_put(dev);
583
584 return genlmsg_unicast(&init_net, msg, info->snd_pid);
585out_free:
586 nlmsg_free(msg);
587out_dev:
588 dev_put(dev);
589 return rc;
590
591}
592
593static int ieee802154_dump_iface(struct sk_buff *skb,
594 struct netlink_callback *cb)
595{
596 struct net *net = sock_net(skb->sk);
597 struct net_device *dev;
598 int idx;
599 int s_idx = cb->args[0];
600
601 pr_debug("%s\n", __func__);
602
603 idx = 0;
604 for_each_netdev(net, dev) {
605 if (idx < s_idx || (dev->type != ARPHRD_IEEE802154))
606 goto cont;
607
608 if (ieee802154_nl_fill_iface(skb, NETLINK_CB(cb->skb).pid,
609 cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0)
610 break;
611cont:
612 idx++;
613 }
614 cb->args[0] = idx;
615
616 return skb->len;
617}
618
619#define IEEE802154_OP(_cmd, _func) \
620 { \
621 .cmd = _cmd, \
622 .policy = ieee802154_policy, \
623 .doit = _func, \
624 .dumpit = NULL, \
625 .flags = GENL_ADMIN_PERM, \
626 }
627
628#define IEEE802154_DUMP(_cmd, _func, _dump) \
629 { \
630 .cmd = _cmd, \
631 .policy = ieee802154_policy, \
632 .doit = _func, \
633 .dumpit = _dump, \
634 }
635
636static struct genl_ops ieee802154_coordinator_ops[] = {
637 IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req),
638 IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp),
639 IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req),
640 IEEE802154_OP(IEEE802154_SCAN_REQ, ieee802154_scan_req),
641 IEEE802154_OP(IEEE802154_START_REQ, ieee802154_start_req),
642 IEEE802154_DUMP(IEEE802154_LIST_IFACE, ieee802154_list_iface,
643 ieee802154_dump_iface),
644};
645
646static int __init ieee802154_nl_init(void)
647{
648 int rc;
649 int i;
650
651 rc = genl_register_family(&ieee802154_coordinator_family);
652 if (rc)
653 goto fail;
654
655 rc = genl_register_mc_group(&ieee802154_coordinator_family,
656 &ieee802154_coord_mcgrp);
657 if (rc)
658 goto fail;
659
660 rc = genl_register_mc_group(&ieee802154_coordinator_family,
661 &ieee802154_beacon_mcgrp);
662 if (rc)
663 goto fail;
664
665
666 for (i = 0; i < ARRAY_SIZE(ieee802154_coordinator_ops); i++) {
667 rc = genl_register_ops(&ieee802154_coordinator_family,
668 &ieee802154_coordinator_ops[i]);
669 if (rc)
670 goto fail;
671 }
672
673 return 0;
674
675fail:
676 genl_unregister_family(&ieee802154_coordinator_family);
677 return rc;
678}
679module_init(ieee802154_nl_init);
680
681static void __exit ieee802154_nl_exit(void)
682{
683 genl_unregister_family(&ieee802154_coordinator_family);
684}
685module_exit(ieee802154_nl_exit);
686
687MODULE_LICENSE("GPL v2");
688MODULE_DESCRIPTION("ieee 802.15.4 configuration interface");
689
690
