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 = tmp->ieee802154_ptr->pan_id;
68 short_addr = tmp->ieee802154_ptr->short_addr;
69 if (pan_id == addr->pan_id &&
70 short_addr == addr->short_addr) {
80 pr_warn("Unsupported ieee802154 address type: %d\n",
88 static int ieee802154_sock_release(struct socket *sock)
90 struct sock *sk = sock->sk;
94 sk->sk_prot->close(sk, 0);
99 static int ieee802154_sock_sendmsg(struct socket *sock, struct msghdr *msg,
102 struct sock *sk = sock->sk;
104 return sk->sk_prot->sendmsg(sk, msg, len);
107 static int ieee802154_sock_bind(struct socket *sock, struct sockaddr *uaddr,
110 struct sock *sk = sock->sk;
112 if (sk->sk_prot->bind)
113 return sk->sk_prot->bind(sk, uaddr, addr_len);
115 return sock_no_bind(sock, uaddr, addr_len);
118 static int ieee802154_sock_connect(struct socket *sock, struct sockaddr *uaddr,
119 int addr_len, int flags)
121 struct sock *sk = sock->sk;
123 if (addr_len < sizeof(uaddr->sa_family))
126 if (uaddr->sa_family == AF_UNSPEC)
127 return sk->sk_prot->disconnect(sk, flags);
129 return sk->sk_prot->connect(sk, uaddr, addr_len);
132 static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg,
136 int ret = -ENOIOCTLCMD;
137 struct net_device *dev;
139 if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
142 ifr.ifr_name[IFNAMSIZ-1] = 0;
144 dev_load(sock_net(sk), ifr.ifr_name);
145 dev = dev_get_by_name(sock_net(sk), ifr.ifr_name);
150 if (dev->type == ARPHRD_IEEE802154 && dev->netdev_ops->ndo_do_ioctl)
151 ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, cmd);
153 if (!ret && copy_to_user(arg, &ifr, sizeof(struct ifreq)))
160 static int ieee802154_sock_ioctl(struct socket *sock, unsigned int cmd,
163 struct sock *sk = sock->sk;
167 return sock_get_timestamp(sk, (struct timeval __user *)arg);
169 return sock_get_timestampns(sk, (struct timespec __user *)arg);
172 return ieee802154_dev_ioctl(sk, (struct ifreq __user *)arg,
175 if (!sk->sk_prot->ioctl)
177 return sk->sk_prot->ioctl(sk, cmd, arg);
181 /* RAW Sockets (802.15.4 created in userspace) */
182 static HLIST_HEAD(raw_head);
183 static DEFINE_RWLOCK(raw_lock);
185 static int raw_hash(struct sock *sk)
187 write_lock_bh(&raw_lock);
188 sk_add_node(sk, &raw_head);
189 sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
190 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 err = ieee802154_sockaddr_check_size(uaddr, len);
219 uaddr = (struct sockaddr_ieee802154 *)_uaddr;
220 if (uaddr->family != AF_IEEE802154)
225 ieee802154_addr_from_sa(&addr, &uaddr->addr);
226 dev = ieee802154_get_dev(sock_net(sk), &addr);
232 sk->sk_bound_dev_if = dev->ifindex;
242 static int raw_connect(struct sock *sk, struct sockaddr *uaddr,
248 static int raw_disconnect(struct sock *sk, int flags)
253 static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
255 struct net_device *dev;
261 if (msg->msg_flags & MSG_OOB) {
262 pr_debug("msg->msg_flags = 0x%x\n", msg->msg_flags);
267 if (!sk->sk_bound_dev_if)
268 dev = dev_getfirstbyhwtype(sock_net(sk), ARPHRD_IEEE802154);
270 dev = dev_get_by_index(sock_net(sk), sk->sk_bound_dev_if);
274 pr_debug("no dev\n");
279 mtu = IEEE802154_MTU;
280 pr_debug("name = %s, mtu = %u\n", dev->name, mtu);
283 pr_debug("size = %zu, mtu = %u\n", size, mtu);
292 hlen = LL_RESERVED_SPACE(dev);
293 tlen = dev->needed_tailroom;
294 skb = sock_alloc_send_skb(sk, hlen + tlen + size,
295 msg->msg_flags & MSG_DONTWAIT, &err);
299 skb_reserve(skb, hlen);
301 skb_reset_mac_header(skb);
302 skb_reset_network_header(skb);
304 err = memcpy_from_msg(skb_put(skb, size), msg, size);
309 skb->protocol = htons(ETH_P_IEEE802154);
311 err = dev_queue_xmit(skb);
313 err = net_xmit_errno(err);
327 static int raw_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
328 int noblock, int flags, int *addr_len)
331 int err = -EOPNOTSUPP;
334 skb = skb_recv_datagram(sk, flags, noblock, &err);
340 msg->msg_flags |= MSG_TRUNC;
344 err = skb_copy_datagram_msg(skb, 0, msg, copied);
348 sock_recv_ts_and_drops(msg, sk, skb);
350 if (flags & MSG_TRUNC)
353 skb_free_datagram(sk, skb);
360 static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb)
362 skb = skb_share_check(skb, GFP_ATOMIC);
366 if (sock_queue_rcv_skb(sk, skb) < 0) {
371 return NET_RX_SUCCESS;
374 static void ieee802154_raw_deliver(struct net_device *dev, struct sk_buff *skb)
378 read_lock(&raw_lock);
379 sk_for_each(sk, &raw_head) {
381 if (!sk->sk_bound_dev_if ||
382 sk->sk_bound_dev_if == dev->ifindex) {
383 struct sk_buff *clone;
385 clone = skb_clone(skb, GFP_ATOMIC);
387 raw_rcv_skb(sk, clone);
391 read_unlock(&raw_lock);
394 static int raw_getsockopt(struct sock *sk, int level, int optname,
395 char __user *optval, int __user *optlen)
400 static int raw_setsockopt(struct sock *sk, int level, int optname,
401 char __user *optval, unsigned int optlen)
406 static struct proto ieee802154_raw_prot = {
407 .name = "IEEE-802.15.4-RAW",
408 .owner = THIS_MODULE,
409 .obj_size = sizeof(struct sock),
412 .sendmsg = raw_sendmsg,
413 .recvmsg = raw_recvmsg,
415 .unhash = raw_unhash,
416 .connect = raw_connect,
417 .disconnect = raw_disconnect,
418 .getsockopt = raw_getsockopt,
419 .setsockopt = raw_setsockopt,
422 static const struct proto_ops ieee802154_raw_ops = {
423 .family = PF_IEEE802154,
424 .owner = THIS_MODULE,
425 .release = ieee802154_sock_release,
426 .bind = ieee802154_sock_bind,
427 .connect = ieee802154_sock_connect,
428 .socketpair = sock_no_socketpair,
429 .accept = sock_no_accept,
430 .getname = sock_no_getname,
431 .poll = datagram_poll,
432 .ioctl = ieee802154_sock_ioctl,
433 .listen = sock_no_listen,
434 .shutdown = sock_no_shutdown,
435 .setsockopt = sock_common_setsockopt,
436 .getsockopt = sock_common_getsockopt,
437 .sendmsg = ieee802154_sock_sendmsg,
438 .recvmsg = sock_common_recvmsg,
439 .mmap = sock_no_mmap,
440 .sendpage = sock_no_sendpage,
442 .compat_setsockopt = compat_sock_common_setsockopt,
443 .compat_getsockopt = compat_sock_common_getsockopt,
447 /* DGRAM Sockets (802.15.4 dataframes) */
448 static HLIST_HEAD(dgram_head);
449 static DEFINE_RWLOCK(dgram_lock);
454 struct ieee802154_addr src_addr;
455 struct ieee802154_addr dst_addr;
457 unsigned int bound:1;
458 unsigned int connected:1;
459 unsigned int want_ack:1;
460 unsigned int secen:1;
461 unsigned int secen_override:1;
462 unsigned int seclevel:3;
463 unsigned int seclevel_override:1;
466 static inline struct dgram_sock *dgram_sk(const struct sock *sk)
468 return container_of(sk, struct dgram_sock, sk);
471 static int dgram_hash(struct sock *sk)
473 write_lock_bh(&dgram_lock);
474 sk_add_node(sk, &dgram_head);
475 sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
476 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 err = ieee802154_sockaddr_check_size(addr, len);
518 if (addr->family != AF_IEEE802154) {
523 ieee802154_addr_from_sa(&haddr, &addr->addr);
524 dev = ieee802154_get_dev(sock_net(sk), &haddr);
530 if (dev->type != ARPHRD_IEEE802154) {
535 ro->src_addr = haddr;
547 static int dgram_ioctl(struct sock *sk, int cmd, unsigned long arg)
552 int amount = sk_wmem_alloc_get(sk);
554 return put_user(amount, (int __user *)arg);
560 unsigned long amount;
563 spin_lock_bh(&sk->sk_receive_queue.lock);
564 skb = skb_peek(&sk->sk_receive_queue);
566 /* We will only return the amount
567 * of this packet since that is all
570 amount = skb->len - ieee802154_hdr_length(skb);
572 spin_unlock_bh(&sk->sk_receive_queue.lock);
573 return put_user(amount, (int __user *)arg);
580 /* FIXME: autobind */
581 static int dgram_connect(struct sock *sk, struct sockaddr *uaddr,
584 struct sockaddr_ieee802154 *addr = (struct sockaddr_ieee802154 *)uaddr;
585 struct dgram_sock *ro = dgram_sk(sk);
588 err = ieee802154_sockaddr_check_size(addr, len);
592 if (addr->family != AF_IEEE802154)
602 ieee802154_addr_from_sa(&ro->dst_addr, &addr->addr);
610 static int dgram_disconnect(struct sock *sk, int flags)
612 struct dgram_sock *ro = dgram_sk(sk);
621 static int dgram_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
623 struct net_device *dev;
626 struct ieee802154_mac_cb *cb;
627 struct dgram_sock *ro = dgram_sk(sk);
628 struct ieee802154_addr dst_addr;
629 DECLARE_SOCKADDR(struct sockaddr_ieee802154*, daddr, msg->msg_name);
633 if (msg->msg_flags & MSG_OOB) {
634 pr_debug("msg->msg_flags = 0x%x\n", msg->msg_flags);
641 if (msg->msg_namelen < IEEE802154_MIN_NAMELEN)
643 err = ieee802154_sockaddr_check_size(daddr, msg->msg_namelen);
646 ieee802154_addr_from_sa(&dst_addr, &daddr->addr);
649 return -EDESTADDRREQ;
650 dst_addr = ro->dst_addr;
654 dev = dev_getfirstbyhwtype(sock_net(sk), ARPHRD_IEEE802154);
656 dev = ieee802154_get_dev(sock_net(sk), &ro->src_addr);
659 pr_debug("no dev\n");
663 mtu = IEEE802154_MTU;
664 pr_debug("name = %s, mtu = %u\n", dev->name, mtu);
667 pr_debug("size = %zu, mtu = %u\n", size, mtu);
672 hlen = LL_RESERVED_SPACE(dev);
673 tlen = dev->needed_tailroom;
674 skb = sock_alloc_send_skb(sk, hlen + tlen + size,
675 msg->msg_flags & MSG_DONTWAIT,
680 skb_reserve(skb, hlen);
682 skb_reset_network_header(skb);
684 cb = mac_cb_init(skb);
685 cb->type = IEEE802154_FC_TYPE_DATA;
686 cb->ackreq = ro->want_ack;
687 cb->secen = ro->secen;
688 cb->secen_override = ro->secen_override;
689 cb->seclevel = ro->seclevel;
690 cb->seclevel_override = ro->seclevel_override;
692 err = wpan_dev_hard_header(skb, dev, &dst_addr,
693 ro->bound ? &ro->src_addr : NULL, size);
697 err = memcpy_from_msg(skb_put(skb, size), msg, size);
702 skb->protocol = htons(ETH_P_IEEE802154);
704 err = dev_queue_xmit(skb);
706 err = net_xmit_errno(err);
720 static int dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
721 int noblock, int flags, int *addr_len)
724 int err = -EOPNOTSUPP;
726 DECLARE_SOCKADDR(struct sockaddr_ieee802154 *, saddr, msg->msg_name);
728 skb = skb_recv_datagram(sk, flags, noblock, &err);
734 msg->msg_flags |= MSG_TRUNC;
738 /* FIXME: skip headers if necessary ?! */
739 err = skb_copy_datagram_msg(skb, 0, msg, copied);
743 sock_recv_ts_and_drops(msg, sk, skb);
746 /* Clear the implicit padding in struct sockaddr_ieee802154
747 * (16 bits between 'family' and 'addr') and in struct
748 * ieee802154_addr_sa (16 bits at the end of the structure).
750 memset(saddr, 0, sizeof(*saddr));
752 saddr->family = AF_IEEE802154;
753 ieee802154_addr_to_sa(&saddr->addr, &mac_cb(skb)->source);
754 *addr_len = sizeof(*saddr);
757 if (flags & MSG_TRUNC)
760 skb_free_datagram(sk, skb);
767 static int dgram_rcv_skb(struct sock *sk, struct sk_buff *skb)
769 skb = skb_share_check(skb, GFP_ATOMIC);
773 if (sock_queue_rcv_skb(sk, skb) < 0) {
778 return NET_RX_SUCCESS;
782 ieee802154_match_sock(__le64 hw_addr, __le16 pan_id, __le16 short_addr,
783 struct dgram_sock *ro)
788 if (ro->src_addr.mode == IEEE802154_ADDR_LONG &&
789 hw_addr == ro->src_addr.extended_addr)
792 if (ro->src_addr.mode == IEEE802154_ADDR_SHORT &&
793 pan_id == ro->src_addr.pan_id &&
794 short_addr == ro->src_addr.short_addr)
800 static int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb)
802 struct sock *sk, *prev = NULL;
803 int ret = NET_RX_SUCCESS;
804 __le16 pan_id, short_addr;
807 /* Data frame processing */
808 BUG_ON(dev->type != ARPHRD_IEEE802154);
810 pan_id = dev->ieee802154_ptr->pan_id;
811 short_addr = dev->ieee802154_ptr->short_addr;
812 hw_addr = dev->ieee802154_ptr->extended_addr;
814 read_lock(&dgram_lock);
815 sk_for_each(sk, &dgram_head) {
816 if (ieee802154_match_sock(hw_addr, pan_id, short_addr,
819 struct sk_buff *clone;
821 clone = skb_clone(skb, GFP_ATOMIC);
823 dgram_rcv_skb(prev, clone);
831 dgram_rcv_skb(prev, skb);
836 read_unlock(&dgram_lock);
841 static int dgram_getsockopt(struct sock *sk, int level, int optname,
842 char __user *optval, int __user *optlen)
844 struct dgram_sock *ro = dgram_sk(sk);
848 if (level != SOL_IEEE802154)
851 if (get_user(len, optlen))
854 len = min_t(unsigned int, len, sizeof(int));
861 if (!ro->secen_override)
862 val = WPAN_SECURITY_DEFAULT;
864 val = WPAN_SECURITY_ON;
866 val = WPAN_SECURITY_OFF;
868 case WPAN_SECURITY_LEVEL:
869 if (!ro->seclevel_override)
870 val = WPAN_SECURITY_LEVEL_DEFAULT;
878 if (put_user(len, optlen))
880 if (copy_to_user(optval, &val, len))
885 static int dgram_setsockopt(struct sock *sk, int level, int optname,
886 char __user *optval, unsigned int optlen)
888 struct dgram_sock *ro = dgram_sk(sk);
889 struct net *net = sock_net(sk);
893 if (optlen < sizeof(int))
896 if (get_user(val, (int __user *)optval))
903 ro->want_ack = !!val;
906 if (!ns_capable(net->user_ns, CAP_NET_ADMIN) &&
907 !ns_capable(net->user_ns, CAP_NET_RAW)) {
913 case WPAN_SECURITY_DEFAULT:
914 ro->secen_override = 0;
916 case WPAN_SECURITY_ON:
917 ro->secen_override = 1;
920 case WPAN_SECURITY_OFF:
921 ro->secen_override = 1;
929 case WPAN_SECURITY_LEVEL:
930 if (!ns_capable(net->user_ns, CAP_NET_ADMIN) &&
931 !ns_capable(net->user_ns, CAP_NET_RAW)) {
936 if (val < WPAN_SECURITY_LEVEL_DEFAULT ||
937 val > IEEE802154_SCF_SECLEVEL_ENC_MIC128) {
939 } else if (val == WPAN_SECURITY_LEVEL_DEFAULT) {
940 ro->seclevel_override = 0;
942 ro->seclevel_override = 1;
955 static struct proto ieee802154_dgram_prot = {
956 .name = "IEEE-802.15.4-MAC",
957 .owner = THIS_MODULE,
958 .obj_size = sizeof(struct dgram_sock),
960 .close = dgram_close,
962 .sendmsg = dgram_sendmsg,
963 .recvmsg = dgram_recvmsg,
965 .unhash = dgram_unhash,
966 .connect = dgram_connect,
967 .disconnect = dgram_disconnect,
968 .ioctl = dgram_ioctl,
969 .getsockopt = dgram_getsockopt,
970 .setsockopt = dgram_setsockopt,
973 static const struct proto_ops ieee802154_dgram_ops = {
974 .family = PF_IEEE802154,
975 .owner = THIS_MODULE,
976 .release = ieee802154_sock_release,
977 .bind = ieee802154_sock_bind,
978 .connect = ieee802154_sock_connect,
979 .socketpair = sock_no_socketpair,
980 .accept = sock_no_accept,
981 .getname = sock_no_getname,
982 .poll = datagram_poll,
983 .ioctl = ieee802154_sock_ioctl,
984 .listen = sock_no_listen,
985 .shutdown = sock_no_shutdown,
986 .setsockopt = sock_common_setsockopt,
987 .getsockopt = sock_common_getsockopt,
988 .sendmsg = ieee802154_sock_sendmsg,
989 .recvmsg = sock_common_recvmsg,
990 .mmap = sock_no_mmap,
991 .sendpage = sock_no_sendpage,
993 .compat_setsockopt = compat_sock_common_setsockopt,
994 .compat_getsockopt = compat_sock_common_getsockopt,
998 static void ieee802154_sock_destruct(struct sock *sk)
1000 skb_queue_purge(&sk->sk_receive_queue);
1003 /* Create a socket. Initialise the socket, blank the addresses
1006 static int ieee802154_create(struct net *net, struct socket *sock,
1007 int protocol, int kern)
1011 struct proto *proto;
1012 const struct proto_ops *ops;
1014 if (!net_eq(net, &init_net))
1015 return -EAFNOSUPPORT;
1017 switch (sock->type) {
1020 if (!capable(CAP_NET_RAW))
1022 proto = &ieee802154_raw_prot;
1023 ops = &ieee802154_raw_ops;
1026 proto = &ieee802154_dgram_prot;
1027 ops = &ieee802154_dgram_ops;
1030 rc = -ESOCKTNOSUPPORT;
1035 sk = sk_alloc(net, PF_IEEE802154, GFP_KERNEL, proto, kern);
1042 sock_init_data(sock, sk);
1043 sk->sk_destruct = ieee802154_sock_destruct;
1044 sk->sk_family = PF_IEEE802154;
1046 /* Checksums on by default */
1047 sock_set_flag(sk, SOCK_ZAPPED);
1049 if (sk->sk_prot->hash) {
1050 rc = sk->sk_prot->hash(sk);
1052 sk_common_release(sk);
1057 if (sk->sk_prot->init) {
1058 rc = sk->sk_prot->init(sk);
1060 sk_common_release(sk);
1066 static const struct net_proto_family ieee802154_family_ops = {
1067 .family = PF_IEEE802154,
1068 .create = ieee802154_create,
1069 .owner = THIS_MODULE,
1072 static int ieee802154_rcv(struct sk_buff *skb, struct net_device *dev,
1073 struct packet_type *pt, struct net_device *orig_dev)
1075 if (!netif_running(dev))
1077 pr_debug("got frame, type %d, dev %p\n", dev->type, dev);
1079 print_hex_dump_bytes("ieee802154_rcv ",
1080 DUMP_PREFIX_NONE, skb->data, skb->len);
1083 if (!net_eq(dev_net(dev), &init_net))
1086 ieee802154_raw_deliver(dev, skb);
1088 if (dev->type != ARPHRD_IEEE802154)
1091 if (skb->pkt_type != PACKET_OTHERHOST)
1092 return ieee802154_dgram_deliver(dev, skb);
1099 static struct packet_type ieee802154_packet_type = {
1100 .type = htons(ETH_P_IEEE802154),
1101 .func = ieee802154_rcv,
1104 static int __init af_ieee802154_init(void)
1108 rc = proto_register(&ieee802154_raw_prot, 1);
1112 rc = proto_register(&ieee802154_dgram_prot, 1);
1116 /* Tell SOCKET that we are alive */
1117 rc = sock_register(&ieee802154_family_ops);
1120 dev_add_pack(&ieee802154_packet_type);
1126 proto_unregister(&ieee802154_dgram_prot);
1128 proto_unregister(&ieee802154_raw_prot);
1133 static void __exit af_ieee802154_remove(void)
1135 dev_remove_pack(&ieee802154_packet_type);
1136 sock_unregister(PF_IEEE802154);
1137 proto_unregister(&ieee802154_dgram_prot);
1138 proto_unregister(&ieee802154_raw_prot);
1141 module_init(af_ieee802154_init);
1142 module_exit(af_ieee802154_remove);
1144 MODULE_LICENSE("GPL");
1145 MODULE_ALIAS_NETPROTO(PF_IEEE802154);