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.
14 #include <linux/export.h>
15 #include <linux/proc_fs.h>
18 static int udplitev6_rcv(struct sk_buff *skb)
20 return __udp6_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE);
23 static int udplitev6_err(struct sk_buff *skb,
24 struct inet6_skb_parm *opt,
25 u8 type, u8 code, int offset, __be32 info)
27 return __udp6_lib_err(skb, opt, type, code, offset, info,
31 static const struct inet6_protocol udplitev6_protocol = {
32 .handler = udplitev6_rcv,
33 .err_handler = udplitev6_err,
34 .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
37 struct proto udplitev6_prot = {
40 .close = udp_lib_close,
41 .connect = ip6_datagram_connect,
42 .disconnect = udp_disconnect,
44 .init = udplite_sk_init,
45 .destroy = udpv6_destroy_sock,
46 .setsockopt = udpv6_setsockopt,
47 .getsockopt = udpv6_getsockopt,
48 .sendmsg = udpv6_sendmsg,
49 .recvmsg = udpv6_recvmsg,
51 .unhash = udp_lib_unhash,
52 .get_port = udp_v6_get_port,
53 .memory_allocated = &udp_memory_allocated,
54 .sysctl_mem = sysctl_udp_mem,
55 .obj_size = sizeof(struct udp6_sock),
56 .h.udp_table = &udplite_table,
58 .compat_setsockopt = compat_udpv6_setsockopt,
59 .compat_getsockopt = compat_udpv6_getsockopt,
63 static struct inet_protosw udplite6_protosw = {
65 .protocol = IPPROTO_UDPLITE,
66 .prot = &udplitev6_prot,
67 .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 = {
99 .udp_table = &udplite_table,
102 static int __net_init udplite6_proc_init_net(struct net *net)
104 if (!proc_create_net_data("udplite6", 0444, net->proc_net,
105 &udp6_seq_ops, sizeof(struct udp_iter_state),
106 &udplite6_seq_afinfo))
111 static void __net_exit udplite6_proc_exit_net(struct net *net)
113 remove_proc_entry("udplite6", net->proc_net);
116 static struct pernet_operations udplite6_net_ops = {
117 .init = udplite6_proc_init_net,
118 .exit = udplite6_proc_exit_net,
121 int __init udplite6_proc_init(void)
123 return register_pernet_subsys(&udplite6_net_ops);
126 void udplite6_proc_exit(void)
128 unregister_pernet_subsys(&udplite6_net_ops);