2 * UDPLITEv6 An implementation of the UDP-Lite protocol over IPv6.
3 * See also net/ipv4/udplite.c
5 * Version: $Id: udplite.c,v 1.9 2006/10/19 08:28:10 gerrit Exp $
7 * Authors: Gerrit Renker <gerrit@erg.abdn.ac.uk>
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version
14 * 2 of the License, or (at your option) any later version.
18 DEFINE_SNMP_STAT(struct udp_mib, udplite_stats_in6) __read_mostly;
20 static int udplitev6_rcv(struct sk_buff *skb)
22 return __udp6_lib_rcv(skb, udplite_hash, IPPROTO_UDPLITE);
25 static void udplitev6_err(struct sk_buff *skb,
26 struct inet6_skb_parm *opt,
27 int type, int code, int offset, __be32 info)
29 __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash);
32 static struct inet6_protocol udplitev6_protocol = {
33 .handler = udplitev6_rcv,
34 .err_handler = udplitev6_err,
35 .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
38 struct proto udplitev6_prot = {
41 .close = udp_lib_close,
42 .connect = ip6_datagram_connect,
43 .disconnect = udp_disconnect,
45 .init = udplite_sk_init,
46 .destroy = udpv6_destroy_sock,
47 .setsockopt = udpv6_setsockopt,
48 .getsockopt = udpv6_getsockopt,
49 .sendmsg = udpv6_sendmsg,
50 .recvmsg = udpv6_recvmsg,
51 .backlog_rcv = udpv6_queue_rcv_skb,
53 .unhash = udp_lib_unhash,
54 .get_port = udp_v6_get_port,
55 .obj_size = sizeof(struct udp6_sock),
56 .h.udp_hash = udplite_hash,
58 .compat_setsockopt = compat_udpv6_setsockopt,
59 .compat_getsockopt = compat_udpv6_getsockopt,
63 static struct inet_protosw udplite6_protosw = {
65 .protocol = IPPROTO_UDPLITE,
66 .prot = &udplitev6_prot,
67 .ops = &inet6_dgram_ops,
70 .flags = INET_PROTOSW_PERMANENT,
73 int __init udplitev6_init(void)
77 ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
81 ret = inet6_register_protosw(&udplite6_protosw);
83 goto out_udplitev6_protocol;
87 out_udplitev6_protocol:
88 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
92 void udplitev6_exit(void)
94 inet6_unregister_protosw(&udplite6_protosw);
95 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
99 static struct udp_seq_afinfo udplite6_seq_afinfo = {
102 .hashtable = udplite_hash,
104 .owner = THIS_MODULE,
107 .show = udp6_seq_show,
111 static int udplite6_proc_init_net(struct net *net)
113 return udp_proc_register(net, &udplite6_seq_afinfo);
116 static void udplite6_proc_exit_net(struct net *net)
118 udp_proc_unregister(net, &udplite6_seq_afinfo);
121 static struct pernet_operations udplite6_net_ops = {
122 .init = udplite6_proc_init_net,
123 .exit = udplite6_proc_exit_net,
126 int __init udplite6_proc_init(void)
128 return register_pernet_subsys(&udplite6_net_ops);
131 void udplite6_proc_exit(void)
133 unregister_pernet_subsys(&udplite6_net_ops);