2 * UDPLITEv6 An implementation of the UDP-Lite protocol over IPv6.
3 * See also net/ipv4/udplite.c
5 * Authors: Gerrit Renker <gerrit@erg.abdn.ac.uk>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
16 DEFINE_SNMP_STAT(struct udp_mib, udplite_stats_in6) __read_mostly;
18 static int udplitev6_rcv(struct sk_buff *skb)
20 return __udp6_lib_rcv(skb, udplite_hash, IPPROTO_UDPLITE);
23 static void udplitev6_err(struct sk_buff *skb,
24 struct inet6_skb_parm *opt,
25 int type, int code, int offset, __be32 info)
27 __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash);
30 static struct inet6_protocol udplitev6_protocol = {
31 .handler = udplitev6_rcv,
32 .err_handler = udplitev6_err,
33 .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
36 struct proto udplitev6_prot = {
39 .close = udp_lib_close,
40 .connect = ip6_datagram_connect,
41 .disconnect = udp_disconnect,
43 .init = udplite_sk_init,
44 .destroy = udpv6_destroy_sock,
45 .setsockopt = udpv6_setsockopt,
46 .getsockopt = udpv6_getsockopt,
47 .sendmsg = udpv6_sendmsg,
48 .recvmsg = udpv6_recvmsg,
49 .backlog_rcv = udpv6_queue_rcv_skb,
51 .unhash = udp_lib_unhash,
52 .get_port = udp_v6_get_port,
53 .obj_size = sizeof(struct udp6_sock),
54 .h.udp_hash = udplite_hash,
56 .compat_setsockopt = compat_udpv6_setsockopt,
57 .compat_getsockopt = compat_udpv6_getsockopt,
61 static struct inet_protosw udplite6_protosw = {
63 .protocol = IPPROTO_UDPLITE,
64 .prot = &udplitev6_prot,
65 .ops = &inet6_dgram_ops,
68 .flags = INET_PROTOSW_PERMANENT,
71 int __init udplitev6_init(void)
75 ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
79 ret = inet6_register_protosw(&udplite6_protosw);
81 goto out_udplitev6_protocol;
85 out_udplitev6_protocol:
86 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
90 void udplitev6_exit(void)
92 inet6_unregister_protosw(&udplite6_protosw);
93 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
97 static struct udp_seq_afinfo udplite6_seq_afinfo = {
100 .hashtable = udplite_hash,
102 .owner = THIS_MODULE,
105 .show = udp6_seq_show,
109 static int udplite6_proc_init_net(struct net *net)
111 return udp_proc_register(net, &udplite6_seq_afinfo);
114 static void udplite6_proc_exit_net(struct net *net)
116 udp_proc_unregister(net, &udplite6_seq_afinfo);
119 static struct pernet_operations udplite6_net_ops = {
120 .init = udplite6_proc_init_net,
121 .exit = udplite6_proc_exit_net,
124 int __init udplite6_proc_init(void)
126 return register_pernet_subsys(&udplite6_net_ops);
129 void udplite6_proc_exit(void)
131 unregister_pernet_subsys(&udplite6_net_ops);