2 * IEEE802154.4 socket interface
4 * Copyright 2007, 2008 Siemens AG
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 * Sergey Lapin <slapin@ossfans.org>
17 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
20 #include <linux/net.h>
21 #include <linux/capability.h>
22 #include <linux/module.h>
23 #include <linux/if_arp.h>
25 #include <linux/termios.h> /* For TIOCOUTQ/INQ */
26 #include <linux/list.h>
27 #include <linux/slab.h>
28 #include <net/datalink.h>
29 #include <net/psnap.h>
31 #include <net/tcp_states.h>
32 #include <net/route.h>
34 #include <net/af_ieee802154.h>
35 #include <net/ieee802154_netdev.h>
37 /* Utility function for families */
38 static struct net_device*
39 ieee802154_get_dev(struct net *net, const struct ieee802154_addr *addr)
41 struct net_device *dev = NULL;
42 struct net_device *tmp;
43 __le16 pan_id, short_addr;
44 u8 hwaddr[IEEE802154_ADDR_LEN];
47 case IEEE802154_ADDR_LONG:
48 ieee802154_devaddr_to_raw(hwaddr, addr->extended_addr);
50 dev = dev_getbyhwaddr_rcu(net, ARPHRD_IEEE802154, hwaddr);
55 case IEEE802154_ADDR_SHORT:
56 if (addr->pan_id == cpu_to_le16(IEEE802154_PANID_BROADCAST) ||
57 addr->short_addr == cpu_to_le16(IEEE802154_ADDR_UNDEF) ||
58 addr->short_addr == cpu_to_le16(IEEE802154_ADDR_BROADCAST))
63 for_each_netdev(net, tmp) {
64 if (tmp->type != ARPHRD_IEEE802154)
67 pan_id = ieee802154_mlme_ops(tmp)->get_pan_id(tmp);
69 ieee802154_mlme_ops(tmp)->get_short_addr(tmp);
71 if (pan_id == addr->pan_id &&
72 short_addr == addr->short_addr) {
82 pr_warn("Unsupported ieee802154 address type: %d\n",
90 static int ieee802154_sock_release(struct socket *sock)
92 struct sock *sk = sock->sk;
96 sk->sk_prot->close(sk, 0);
101 static int ieee802154_sock_sendmsg(struct socket *sock, struct msghdr *msg,
104 struct sock *sk = sock->sk;
106 return sk->sk_prot->sendmsg(sk, msg, len);
109 static int ieee802154_sock_bind(struct socket *sock, struct sockaddr *uaddr,
112 struct sock *sk = sock->sk;
114 if (sk->sk_prot->bind)
115 return sk->sk_prot->bind(sk, uaddr, addr_len);
117 return sock_no_bind(sock, uaddr, addr_len);
120 static int ieee802154_sock_connect(struct socket *sock, struct sockaddr *uaddr,
121 int addr_len, int flags)
123 struct sock *sk = sock->sk;
125 if (addr_len < sizeof(uaddr->sa_family))
128 if (uaddr->sa_family == AF_UNSPEC)
129 return sk->sk_prot->disconnect(sk, flags);
131 return sk->sk_prot->connect(sk, uaddr, addr_len);
134 static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg,
138 int ret = -ENOIOCTLCMD;
139 struct net_device *dev;
141 if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
144 ifr.ifr_name[IFNAMSIZ-1] = 0;
146 dev_load(sock_net(sk), ifr.ifr_name);
147 dev = dev_get_by_name(sock_net(sk), ifr.ifr_name);
152 if (dev->type == ARPHRD_IEEE802154 && dev->netdev_ops->ndo_do_ioctl)
153 ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, cmd);
155 if (!ret && copy_to_user(arg, &ifr, sizeof(struct ifreq)))
162 static int ieee802154_sock_ioctl(struct socket *sock, unsigned int cmd,
165 struct sock *sk = sock->sk;
169 return sock_get_timestamp(sk, (struct timeval __user *)arg);
171 return sock_get_timestampns(sk, (struct timespec __user *)arg);
174 return ieee802154_dev_ioctl(sk, (struct ifreq __user *)arg,
177 if (!sk->sk_prot->ioctl)
179 return sk->sk_prot->ioctl(sk, cmd, arg);
183 /* RAW Sockets (802.15.4 created in userspace) */
184 static HLIST_HEAD(raw_head);
185 static DEFINE_RWLOCK(raw_lock);
187 static void raw_hash(struct sock *sk)
189 write_lock_bh(&raw_lock);
190 sk_add_node(sk, &raw_head);
191 sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
192 write_unlock_bh(&raw_lock);
195 static void raw_unhash(struct sock *sk)
197 write_lock_bh(&raw_lock);
198 if (sk_del_node_init(sk))
199 sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
200 write_unlock_bh(&raw_lock);
203 static void raw_close(struct sock *sk, long timeout)
205 sk_common_release(sk);
208 static int raw_bind(struct sock *sk, struct sockaddr *_uaddr, int len)
210 struct ieee802154_addr addr;
211 struct sockaddr_ieee802154 *uaddr = (struct sockaddr_ieee802154 *)_uaddr;
213 struct net_device *dev = NULL;
215 if (len < sizeof(*uaddr))
218 uaddr = (struct sockaddr_ieee802154 *)_uaddr;
219 if (uaddr->family != AF_IEEE802154)
224 ieee802154_addr_from_sa(&addr, &uaddr->addr);
225 dev = ieee802154_get_dev(sock_net(sk), &addr);
231 if (dev->type != ARPHRD_IEEE802154) {
236 sk->sk_bound_dev_if = dev->ifindex;
247 static int raw_connect(struct sock *sk, struct sockaddr *uaddr,
253 static int raw_disconnect(struct sock *sk, int flags)
258 static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
260 struct net_device *dev;
266 if (msg->msg_flags & MSG_OOB) {
267 pr_debug("msg->msg_flags = 0x%x\n", msg->msg_flags);
272 if (!sk->sk_bound_dev_if)
273 dev = dev_getfirstbyhwtype(sock_net(sk), ARPHRD_IEEE802154);
275 dev = dev_get_by_index(sock_net(sk), sk->sk_bound_dev_if);
279 pr_debug("no dev\n");
285 pr_debug("name = %s, mtu = %u\n", dev->name, mtu);
288 pr_debug("size = %Zu, mtu = %u\n", size, mtu);
293 hlen = LL_RESERVED_SPACE(dev);
294 tlen = dev->needed_tailroom;
295 skb = sock_alloc_send_skb(sk, hlen + tlen + size,
296 msg->msg_flags & MSG_DONTWAIT, &err);
300 skb_reserve(skb, hlen);
302 skb_reset_mac_header(skb);
303 skb_reset_network_header(skb);
305 err = memcpy_from_msg(skb_put(skb, size), msg, size);
311 skb->protocol = htons(ETH_P_IEEE802154);
315 err = dev_queue_xmit(skb);
317 err = net_xmit_errno(err);
329 static int raw_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
330 int noblock, int flags, int *addr_len)
333 int err = -EOPNOTSUPP;
336 skb = skb_recv_datagram(sk, flags, noblock, &err);
342 msg->msg_flags |= MSG_TRUNC;
346 err = skb_copy_datagram_msg(skb, 0, msg, copied);
350 sock_recv_ts_and_drops(msg, sk, skb);
352 if (flags & MSG_TRUNC)
355 skb_free_datagram(sk, skb);
362 static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb)
364 skb = skb_share_check(skb, GFP_ATOMIC);
368 if (sock_queue_rcv_skb(sk, skb) < 0) {
373 return NET_RX_SUCCESS;
376 static void ieee802154_raw_deliver(struct net_device *dev, struct sk_buff *skb)
380 read_lock(&raw_lock);
381 sk_for_each(sk, &raw_head) {
383 if (!sk->sk_bound_dev_if ||
384 sk->sk_bound_dev_if == dev->ifindex) {
385 struct sk_buff *clone;
387 clone = skb_clone(skb, GFP_ATOMIC);
389 raw_rcv_skb(sk, clone);
393 read_unlock(&raw_lock);
396 static int raw_getsockopt(struct sock *sk, int level, int optname,
397 char __user *optval, int __user *optlen)
402 static int raw_setsockopt(struct sock *sk, int level, int optname,
403 char __user *optval, unsigned int optlen)
408 static struct proto ieee802154_raw_prot = {
409 .name = "IEEE-802.15.4-RAW",
410 .owner = THIS_MODULE,
411 .obj_size = sizeof(struct sock),
414 .sendmsg = raw_sendmsg,
415 .recvmsg = raw_recvmsg,
417 .unhash = raw_unhash,
418 .connect = raw_connect,
419 .disconnect = raw_disconnect,
420 .getsockopt = raw_getsockopt,
421 .setsockopt = raw_setsockopt,
424 static const struct proto_ops ieee802154_raw_ops = {
425 .family = PF_IEEE802154,
426 .owner = THIS_MODULE,
427 .release = ieee802154_sock_release,
428 .bind = ieee802154_sock_bind,
429 .connect = ieee802154_sock_connect,
430 .socketpair = sock_no_socketpair,
431 .accept = sock_no_accept,
432 .getname = sock_no_getname,
433 .poll = datagram_poll,
434 .ioctl = ieee802154_sock_ioctl,
435 .listen = sock_no_listen,
436 .shutdown = sock_no_shutdown,
437 .setsockopt = sock_common_setsockopt,
438 .getsockopt = sock_common_getsockopt,
439 .sendmsg = ieee802154_sock_sendmsg,
440 .recvmsg = sock_common_recvmsg,
441 .mmap = sock_no_mmap,
442 .sendpage = sock_no_sendpage,
444 .compat_setsockopt = compat_sock_common_setsockopt,
445 .compat_getsockopt = compat_sock_common_getsockopt,
449 /* DGRAM Sockets (802.15.4 dataframes) */
450 static HLIST_HEAD(dgram_head);
451 static DEFINE_RWLOCK(dgram_lock);
456 struct ieee802154_addr src_addr;
457 struct ieee802154_addr dst_addr;
459 unsigned int bound:1;
460 unsigned int connected:1;
461 unsigned int want_ack:1;
462 unsigned int secen:1;
463 unsigned int secen_override:1;
464 unsigned int seclevel:3;
465 unsigned int seclevel_override:1;
468 static inline struct dgram_sock *dgram_sk(const struct sock *sk)
470 return container_of(sk, struct dgram_sock, sk);
473 static void dgram_hash(struct sock *sk)
475 write_lock_bh(&dgram_lock);
476 sk_add_node(sk, &dgram_head);
477 sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
478 write_unlock_bh(&dgram_lock);
481 static void dgram_unhash(struct sock *sk)
483 write_lock_bh(&dgram_lock);
484 if (sk_del_node_init(sk))
485 sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
486 write_unlock_bh(&dgram_lock);
489 static int dgram_init(struct sock *sk)
491 struct dgram_sock *ro = dgram_sk(sk);
497 static void dgram_close(struct sock *sk, long timeout)
499 sk_common_release(sk);
502 static int dgram_bind(struct sock *sk, struct sockaddr *uaddr, int len)
504 struct sockaddr_ieee802154 *addr = (struct sockaddr_ieee802154 *)uaddr;
505 struct ieee802154_addr haddr;
506 struct dgram_sock *ro = dgram_sk(sk);
508 struct net_device *dev;
514 if (len < sizeof(*addr))
517 if (addr->family != AF_IEEE802154)
520 ieee802154_addr_from_sa(&haddr, &addr->addr);
521 dev = ieee802154_get_dev(sock_net(sk), &haddr);
527 if (dev->type != ARPHRD_IEEE802154) {
532 ro->src_addr = haddr;
544 static int dgram_ioctl(struct sock *sk, int cmd, unsigned long arg)
549 int amount = sk_wmem_alloc_get(sk);
551 return put_user(amount, (int __user *)arg);
557 unsigned long amount;
560 spin_lock_bh(&sk->sk_receive_queue.lock);
561 skb = skb_peek(&sk->sk_receive_queue);
563 /* We will only return the amount
564 * of this packet since that is all
567 amount = skb->len - ieee802154_hdr_length(skb);
569 spin_unlock_bh(&sk->sk_receive_queue.lock);
570 return put_user(amount, (int __user *)arg);
577 /* FIXME: autobind */
578 static int dgram_connect(struct sock *sk, struct sockaddr *uaddr,
581 struct sockaddr_ieee802154 *addr = (struct sockaddr_ieee802154 *)uaddr;
582 struct dgram_sock *ro = dgram_sk(sk);
585 if (len < sizeof(*addr))
588 if (addr->family != AF_IEEE802154)
598 ieee802154_addr_from_sa(&ro->dst_addr, &addr->addr);
606 static int dgram_disconnect(struct sock *sk, int flags)
608 struct dgram_sock *ro = dgram_sk(sk);
617 static int dgram_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
619 struct net_device *dev;
622 struct ieee802154_mac_cb *cb;
623 struct dgram_sock *ro = dgram_sk(sk);
624 struct ieee802154_addr dst_addr;
628 if (msg->msg_flags & MSG_OOB) {
629 pr_debug("msg->msg_flags = 0x%x\n", msg->msg_flags);
633 if (!ro->connected && !msg->msg_name)
634 return -EDESTADDRREQ;
635 else if (ro->connected && msg->msg_name)
639 dev = dev_getfirstbyhwtype(sock_net(sk), ARPHRD_IEEE802154);
641 dev = ieee802154_get_dev(sock_net(sk), &ro->src_addr);
644 pr_debug("no dev\n");
649 pr_debug("name = %s, mtu = %u\n", dev->name, mtu);
652 pr_debug("size = %Zu, mtu = %u\n", size, mtu);
657 hlen = LL_RESERVED_SPACE(dev);
658 tlen = dev->needed_tailroom;
659 skb = sock_alloc_send_skb(sk, hlen + tlen + size,
660 msg->msg_flags & MSG_DONTWAIT,
665 skb_reserve(skb, hlen);
667 skb_reset_network_header(skb);
669 cb = mac_cb_init(skb);
670 cb->type = IEEE802154_FC_TYPE_DATA;
671 cb->ackreq = ro->want_ack;
674 DECLARE_SOCKADDR(struct sockaddr_ieee802154*,
675 daddr, msg->msg_name);
677 ieee802154_addr_from_sa(&dst_addr, &daddr->addr);
679 dst_addr = ro->dst_addr;
682 cb->secen = ro->secen;
683 cb->secen_override = ro->secen_override;
684 cb->seclevel = ro->seclevel;
685 cb->seclevel_override = ro->seclevel_override;
687 err = dev_hard_header(skb, dev, ETH_P_IEEE802154, &dst_addr,
688 ro->bound ? &ro->src_addr : NULL, size);
692 err = memcpy_from_msg(skb_put(skb, size), msg, size);
698 skb->protocol = htons(ETH_P_IEEE802154);
702 err = dev_queue_xmit(skb);
704 err = net_xmit_errno(err);
716 static int dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
717 int noblock, int flags, int *addr_len)
720 int err = -EOPNOTSUPP;
722 DECLARE_SOCKADDR(struct sockaddr_ieee802154 *, saddr, msg->msg_name);
724 skb = skb_recv_datagram(sk, flags, noblock, &err);
730 msg->msg_flags |= MSG_TRUNC;
734 /* FIXME: skip headers if necessary ?! */
735 err = skb_copy_datagram_msg(skb, 0, msg, copied);
739 sock_recv_ts_and_drops(msg, sk, skb);
742 saddr->family = AF_IEEE802154;
743 ieee802154_addr_to_sa(&saddr->addr, &mac_cb(skb)->source);
744 *addr_len = sizeof(*saddr);
747 if (flags & MSG_TRUNC)
750 skb_free_datagram(sk, skb);
757 static int dgram_rcv_skb(struct sock *sk, struct sk_buff *skb)
759 skb = skb_share_check(skb, GFP_ATOMIC);
763 if (sock_queue_rcv_skb(sk, skb) < 0) {
768 return NET_RX_SUCCESS;
772 ieee802154_match_sock(__le64 hw_addr, __le16 pan_id, __le16 short_addr,
773 struct dgram_sock *ro)
778 if (ro->src_addr.mode == IEEE802154_ADDR_LONG &&
779 hw_addr == ro->src_addr.extended_addr)
782 if (ro->src_addr.mode == IEEE802154_ADDR_SHORT &&
783 pan_id == ro->src_addr.pan_id &&
784 short_addr == ro->src_addr.short_addr)
790 static int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb)
792 struct sock *sk, *prev = NULL;
793 int ret = NET_RX_SUCCESS;
794 __le16 pan_id, short_addr;
797 /* Data frame processing */
798 BUG_ON(dev->type != ARPHRD_IEEE802154);
800 pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
801 short_addr = ieee802154_mlme_ops(dev)->get_short_addr(dev);
802 hw_addr = ieee802154_devaddr_from_raw(dev->dev_addr);
804 read_lock(&dgram_lock);
805 sk_for_each(sk, &dgram_head) {
806 if (ieee802154_match_sock(hw_addr, pan_id, short_addr,
809 struct sk_buff *clone;
811 clone = skb_clone(skb, GFP_ATOMIC);
813 dgram_rcv_skb(prev, clone);
821 dgram_rcv_skb(prev, skb);
826 read_unlock(&dgram_lock);
831 static int dgram_getsockopt(struct sock *sk, int level, int optname,
832 char __user *optval, int __user *optlen)
834 struct dgram_sock *ro = dgram_sk(sk);
838 if (level != SOL_IEEE802154)
841 if (get_user(len, optlen))
844 len = min_t(unsigned int, len, sizeof(int));
851 if (!ro->secen_override)
852 val = WPAN_SECURITY_DEFAULT;
854 val = WPAN_SECURITY_ON;
856 val = WPAN_SECURITY_OFF;
858 case WPAN_SECURITY_LEVEL:
859 if (!ro->seclevel_override)
860 val = WPAN_SECURITY_LEVEL_DEFAULT;
868 if (put_user(len, optlen))
870 if (copy_to_user(optval, &val, len))
875 static int dgram_setsockopt(struct sock *sk, int level, int optname,
876 char __user *optval, unsigned int optlen)
878 struct dgram_sock *ro = dgram_sk(sk);
879 struct net *net = sock_net(sk);
883 if (optlen < sizeof(int))
886 if (get_user(val, (int __user *)optval))
893 ro->want_ack = !!val;
896 if (!ns_capable(net->user_ns, CAP_NET_ADMIN) &&
897 !ns_capable(net->user_ns, CAP_NET_RAW)) {
903 case WPAN_SECURITY_DEFAULT:
904 ro->secen_override = 0;
906 case WPAN_SECURITY_ON:
907 ro->secen_override = 1;
910 case WPAN_SECURITY_OFF:
911 ro->secen_override = 1;
919 case WPAN_SECURITY_LEVEL:
920 if (!ns_capable(net->user_ns, CAP_NET_ADMIN) &&
921 !ns_capable(net->user_ns, CAP_NET_RAW)) {
926 if (val < WPAN_SECURITY_LEVEL_DEFAULT ||
927 val > IEEE802154_SCF_SECLEVEL_ENC_MIC128) {
929 } else if (val == WPAN_SECURITY_LEVEL_DEFAULT) {
930 ro->seclevel_override = 0;
932 ro->seclevel_override = 1;
945 static struct proto ieee802154_dgram_prot = {
946 .name = "IEEE-802.15.4-MAC",
947 .owner = THIS_MODULE,
948 .obj_size = sizeof(struct dgram_sock),
950 .close = dgram_close,
952 .sendmsg = dgram_sendmsg,
953 .recvmsg = dgram_recvmsg,
955 .unhash = dgram_unhash,
956 .connect = dgram_connect,
957 .disconnect = dgram_disconnect,
958 .ioctl = dgram_ioctl,
959 .getsockopt = dgram_getsockopt,
960 .setsockopt = dgram_setsockopt,
963 static const struct proto_ops ieee802154_dgram_ops = {
964 .family = PF_IEEE802154,
965 .owner = THIS_MODULE,
966 .release = ieee802154_sock_release,
967 .bind = ieee802154_sock_bind,
968 .connect = ieee802154_sock_connect,
969 .socketpair = sock_no_socketpair,
970 .accept = sock_no_accept,
971 .getname = sock_no_getname,
972 .poll = datagram_poll,
973 .ioctl = ieee802154_sock_ioctl,
974 .listen = sock_no_listen,
975 .shutdown = sock_no_shutdown,
976 .setsockopt = sock_common_setsockopt,
977 .getsockopt = sock_common_getsockopt,
978 .sendmsg = ieee802154_sock_sendmsg,
979 .recvmsg = sock_common_recvmsg,
980 .mmap = sock_no_mmap,
981 .sendpage = sock_no_sendpage,
983 .compat_setsockopt = compat_sock_common_setsockopt,
984 .compat_getsockopt = compat_sock_common_getsockopt,
988 /* Create a socket. Initialise the socket, blank the addresses
991 static int ieee802154_create(struct net *net, struct socket *sock,
992 int protocol, int kern)
997 const struct proto_ops *ops;
999 if (!net_eq(net, &init_net))
1000 return -EAFNOSUPPORT;
1002 switch (sock->type) {
1004 proto = &ieee802154_raw_prot;
1005 ops = &ieee802154_raw_ops;
1008 proto = &ieee802154_dgram_prot;
1009 ops = &ieee802154_dgram_ops;
1012 rc = -ESOCKTNOSUPPORT;
1017 sk = sk_alloc(net, PF_IEEE802154, GFP_KERNEL, proto);
1024 sock_init_data(sock, sk);
1025 /* FIXME: sk->sk_destruct */
1026 sk->sk_family = PF_IEEE802154;
1028 /* Checksums on by default */
1029 sock_set_flag(sk, SOCK_ZAPPED);
1031 if (sk->sk_prot->hash)
1032 sk->sk_prot->hash(sk);
1034 if (sk->sk_prot->init) {
1035 rc = sk->sk_prot->init(sk);
1037 sk_common_release(sk);
1043 static const struct net_proto_family ieee802154_family_ops = {
1044 .family = PF_IEEE802154,
1045 .create = ieee802154_create,
1046 .owner = THIS_MODULE,
1049 static int ieee802154_rcv(struct sk_buff *skb, struct net_device *dev,
1050 struct packet_type *pt, struct net_device *orig_dev)
1052 if (!netif_running(dev))
1054 pr_debug("got frame, type %d, dev %p\n", dev->type, dev);
1056 print_hex_dump_bytes("ieee802154_rcv ",
1057 DUMP_PREFIX_NONE, skb->data, skb->len);
1060 if (!net_eq(dev_net(dev), &init_net))
1063 ieee802154_raw_deliver(dev, skb);
1065 if (dev->type != ARPHRD_IEEE802154)
1068 if (skb->pkt_type != PACKET_OTHERHOST)
1069 return ieee802154_dgram_deliver(dev, skb);
1076 static struct packet_type ieee802154_packet_type = {
1077 .type = htons(ETH_P_IEEE802154),
1078 .func = ieee802154_rcv,
1081 static int __init af_ieee802154_init(void)
1085 rc = proto_register(&ieee802154_raw_prot, 1);
1089 rc = proto_register(&ieee802154_dgram_prot, 1);
1093 /* Tell SOCKET that we are alive */
1094 rc = sock_register(&ieee802154_family_ops);
1097 dev_add_pack(&ieee802154_packet_type);
1103 proto_unregister(&ieee802154_dgram_prot);
1105 proto_unregister(&ieee802154_raw_prot);
1110 static void __exit af_ieee802154_remove(void)
1112 dev_remove_pack(&ieee802154_packet_type);
1113 sock_unregister(PF_IEEE802154);
1114 proto_unregister(&ieee802154_dgram_prot);
1115 proto_unregister(&ieee802154_raw_prot);
1118 module_init(af_ieee802154_init);
1119 module_exit(af_ieee802154_remove);
1121 MODULE_LICENSE("GPL");
1122 MODULE_ALIAS_NETPROTO(PF_IEEE802154);