1/*
2 *  UDPLITEv6   An implementation of the UDP-Lite protocol over IPv6.
3 *              See also net/ipv4/udplite.c
4 *
5 *  Version:    $Id: udplite.c,v 1.1.1.1 2007/08/03 18:53:52 Exp $
6 *
7 *  Authors:    Gerrit Renker       <gerrit@erg.abdn.ac.uk>
8 *
9 *  Changes:
10 *  Fixes:
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.
15 */
16#include "udp_impl.h"
17
18DEFINE_SNMP_STAT(struct udp_mib, udplite_stats_in6) __read_mostly;
19
20static int udplitev6_rcv(struct sk_buff **pskb)
21{
22	return __udp6_lib_rcv(pskb, udplite_hash, IPPROTO_UDPLITE);
23}
24
25static void udplitev6_err(struct sk_buff *skb,
26			  struct inet6_skb_parm *opt,
27			  int type, int code, int offset, __be32 info)
28{
29	return __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash);
30}
31
32static struct inet6_protocol udplitev6_protocol = {
33	.handler	=	udplitev6_rcv,
34	.err_handler	=	udplitev6_err,
35	.flags		=	INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
36};
37
38static int udplite_v6_get_port(struct sock *sk, unsigned short snum)
39{
40	return udplite_get_port(sk, snum, ipv6_rcv_saddr_equal);
41}
42
43struct proto udplitev6_prot = {
44	.name		   = "UDPLITEv6",
45	.owner		   = THIS_MODULE,
46	.close		   = udp_lib_close,
47	.connect	   = ip6_datagram_connect,
48	.disconnect	   = udp_disconnect,
49	.ioctl		   = udp_ioctl,
50	.init		   = udplite_sk_init,
51	.destroy	   = udpv6_destroy_sock,
52	.setsockopt	   = udpv6_setsockopt,
53	.getsockopt	   = udpv6_getsockopt,
54	.sendmsg	   = udpv6_sendmsg,
55	.recvmsg	   = udpv6_recvmsg,
56	.backlog_rcv	   = udpv6_queue_rcv_skb,
57	.hash		   = udp_lib_hash,
58	.unhash		   = udp_lib_unhash,
59	.get_port	   = udplite_v6_get_port,
60	.obj_size	   = sizeof(struct udp6_sock),
61#ifdef CONFIG_COMPAT
62	.compat_setsockopt = compat_udpv6_setsockopt,
63	.compat_getsockopt = compat_udpv6_getsockopt,
64#endif
65};
66
67static struct inet_protosw udplite6_protosw = {
68	.type		= SOCK_DGRAM,
69	.protocol	= IPPROTO_UDPLITE,
70	.prot		= &udplitev6_prot,
71	.ops		= &inet6_dgram_ops,
72	.capability	= -1,
73	.no_check	= 0,
74	.flags		= INET_PROTOSW_PERMANENT,
75};
76
77void __init udplitev6_init(void)
78{
79	if (inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE) < 0)
80		printk(KERN_ERR "%s: Could not register.\n", __FUNCTION__);
81
82	inet6_register_protosw(&udplite6_protosw);
83}
84
85#ifdef CONFIG_PROC_FS
86static struct file_operations udplite6_seq_fops;
87static struct udp_seq_afinfo udplite6_seq_afinfo = {
88	.owner		= THIS_MODULE,
89	.name		= "udplite6",
90	.family		= AF_INET6,
91	.hashtable	= udplite_hash,
92	.seq_show	= udp6_seq_show,
93	.seq_fops	= &udplite6_seq_fops,
94};
95
96int __init udplite6_proc_init(void)
97{
98	return udp_proc_register(&udplite6_seq_afinfo);
99}
100
101void udplite6_proc_exit(void)
102{
103	udp_proc_unregister(&udplite6_seq_afinfo);
104}
105#endif
106