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 DEFINE_PROTO_INUSE(udplitev6)
40 struct proto udplitev6_prot = {
43 .close = udp_lib_close,
44 .connect = ip6_datagram_connect,
45 .disconnect = udp_disconnect,
47 .init = udplite_sk_init,
48 .destroy = udpv6_destroy_sock,
49 .setsockopt = udpv6_setsockopt,
50 .getsockopt = udpv6_getsockopt,
51 .sendmsg = udpv6_sendmsg,
52 .recvmsg = udpv6_recvmsg,
53 .backlog_rcv = udpv6_queue_rcv_skb,
55 .unhash = udp_lib_unhash,
56 .get_port = udp_v6_get_port,
57 .obj_size = sizeof(struct udp6_sock),
58 .h.udp_hash = udplite_hash,
60 .compat_setsockopt = compat_udpv6_setsockopt,
61 .compat_getsockopt = compat_udpv6_getsockopt,
63 REF_PROTO_INUSE(udplitev6)
66 static struct inet_protosw udplite6_protosw = {
68 .protocol = IPPROTO_UDPLITE,
69 .prot = &udplitev6_prot,
70 .ops = &inet6_dgram_ops,
73 .flags = INET_PROTOSW_PERMANENT,
76 int __init udplitev6_init(void)
80 ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
84 ret = inet6_register_protosw(&udplite6_protosw);
86 goto out_udplitev6_protocol;
90 out_udplitev6_protocol:
91 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
95 void udplitev6_exit(void)
97 inet6_unregister_protosw(&udplite6_protosw);
98 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
101 #ifdef CONFIG_PROC_FS
102 static struct file_operations udplite6_seq_fops;
103 static struct udp_seq_afinfo udplite6_seq_afinfo = {
104 .owner = THIS_MODULE,
107 .hashtable = udplite_hash,
108 .seq_show = udp6_seq_show,
109 .seq_fops = &udplite6_seq_fops,
112 int __init udplite6_proc_init(void)
114 return udp_proc_register(&init_net, &udplite6_seq_afinfo);
117 void udplite6_proc_exit(void)
119 udp_proc_unregister(&init_net, &udplite6_seq_afinfo);