]> bbs.cooldavid.org Git - net-next-2.6.git/blame - net/ipv6/udplite.c
[IPV6]: Define constants for link-local multicast addresses.
[net-next-2.6.git] / net / ipv6 / udplite.c
CommitLineData
ba4e58ec
GR
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 1.9 2006/10/19 08:28:10 gerrit 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
e5bbef20 20static int udplitev6_rcv(struct sk_buff *skb)
ba4e58ec 21{
e5bbef20 22 return __udp6_lib_rcv(skb, udplite_hash, IPPROTO_UDPLITE);
ba4e58ec
GR
23}
24
f5b99bcd
AB
25static void udplitev6_err(struct sk_buff *skb,
26 struct inet6_skb_parm *opt,
27 int type, int code, int offset, __be32 info)
ba4e58ec 28{
77d0d350 29 __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash);
ba4e58ec
GR
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
ba4e58ec
GR
38struct proto udplitev6_prot = {
39 .name = "UDPLITEv6",
40 .owner = THIS_MODULE,
41 .close = udp_lib_close,
42 .connect = ip6_datagram_connect,
43 .disconnect = udp_disconnect,
44 .ioctl = udp_ioctl,
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,
52 .hash = udp_lib_hash,
53 .unhash = udp_lib_unhash,
6ba5a3c5 54 .get_port = udp_v6_get_port,
ba4e58ec 55 .obj_size = sizeof(struct udp6_sock),
6ba5a3c5 56 .h.udp_hash = udplite_hash,
ba4e58ec
GR
57#ifdef CONFIG_COMPAT
58 .compat_setsockopt = compat_udpv6_setsockopt,
59 .compat_getsockopt = compat_udpv6_getsockopt,
60#endif
61};
62
63static struct inet_protosw udplite6_protosw = {
64 .type = SOCK_DGRAM,
65 .protocol = IPPROTO_UDPLITE,
66 .prot = &udplitev6_prot,
67 .ops = &inet6_dgram_ops,
68 .capability = -1,
69 .no_check = 0,
70 .flags = INET_PROTOSW_PERMANENT,
71};
72
7f4e4868 73int __init udplitev6_init(void)
ba4e58ec 74{
7f4e4868 75 int ret;
ba4e58ec 76
7f4e4868
DL
77 ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
78 if (ret)
79 goto out;
80
81 ret = inet6_register_protosw(&udplite6_protosw);
82 if (ret)
83 goto out_udplitev6_protocol;
84out:
85 return ret;
86
87out_udplitev6_protocol:
88 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
89 goto out;
90}
91
09f7709f 92void udplitev6_exit(void)
7f4e4868
DL
93{
94 inet6_unregister_protosw(&udplite6_protosw);
95 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
ba4e58ec
GR
96}
97
98#ifdef CONFIG_PROC_FS
ba4e58ec 99static struct udp_seq_afinfo udplite6_seq_afinfo = {
ba4e58ec
GR
100 .name = "udplite6",
101 .family = AF_INET6,
102 .hashtable = udplite_hash,
4ad96d39
DL
103 .seq_fops = {
104 .owner = THIS_MODULE,
105 },
dda61925
DL
106 .seq_ops = {
107 .show = udp6_seq_show,
108 },
ba4e58ec
GR
109};
110
84c375af
PE
111static int udplite6_proc_init_net(struct net *net)
112{
113 return udp_proc_register(net, &udplite6_seq_afinfo);
114}
115
116static void udplite6_proc_exit_net(struct net *net)
117{
118 udp_proc_unregister(net, &udplite6_seq_afinfo);
119}
120
121static struct pernet_operations udplite6_net_ops = {
122 .init = udplite6_proc_init_net,
123 .exit = udplite6_proc_exit_net,
124};
125
ba4e58ec
GR
126int __init udplite6_proc_init(void)
127{
84c375af 128 return register_pernet_subsys(&udplite6_net_ops);
ba4e58ec
GR
129}
130
131void udplite6_proc_exit(void)
132{
84c375af 133 unregister_pernet_subsys(&udplite6_net_ops);
ba4e58ec
GR
134}
135#endif