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 static int udplite_v6_get_port(struct sock *sk, unsigned short snum)
40 return udplite_get_port(sk, snum, ipv6_rcv_saddr_equal);
43 DEFINE_PROTO_INUSE(udplitev6)
45 struct proto udplitev6_prot = {
48 .close = udp_lib_close,
49 .connect = ip6_datagram_connect,
50 .disconnect = udp_disconnect,
52 .init = udplite_sk_init,
53 .destroy = udpv6_destroy_sock,
54 .setsockopt = udpv6_setsockopt,
55 .getsockopt = udpv6_getsockopt,
56 .sendmsg = udpv6_sendmsg,
57 .recvmsg = udpv6_recvmsg,
58 .backlog_rcv = udpv6_queue_rcv_skb,
60 .unhash = udp_lib_unhash,
61 .get_port = udplite_v6_get_port,
62 .obj_size = sizeof(struct udp6_sock),
64 .compat_setsockopt = compat_udpv6_setsockopt,
65 .compat_getsockopt = compat_udpv6_getsockopt,
67 REF_PROTO_INUSE(udplitev6)
70 static struct inet_protosw udplite6_protosw = {
72 .protocol = IPPROTO_UDPLITE,
73 .prot = &udplitev6_prot,
74 .ops = &inet6_dgram_ops,
77 .flags = INET_PROTOSW_PERMANENT,
80 int __init udplitev6_init(void)
84 ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
88 ret = inet6_register_protosw(&udplite6_protosw);
90 goto out_udplitev6_protocol;
94 out_udplitev6_protocol:
95 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
99 void udplitev6_exit(void)
101 inet6_unregister_protosw(&udplite6_protosw);
102 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
105 #ifdef CONFIG_PROC_FS
106 static struct file_operations udplite6_seq_fops;
107 static struct udp_seq_afinfo udplite6_seq_afinfo = {
108 .owner = THIS_MODULE,
111 .hashtable = udplite_hash,
112 .seq_show = udp6_seq_show,
113 .seq_fops = &udplite6_seq_fops,
116 int __init udplite6_proc_init(void)
118 return udp_proc_register(&udplite6_seq_afinfo);
121 void udplite6_proc_exit(void)
123 udp_proc_unregister(&udplite6_seq_afinfo);