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14#include <linux/export.h>
15#include "udp_impl.h"
16
17static int udplitev6_rcv(struct sk_buff *skb)
18{
19 return __udp6_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE);
20}
21
22static void udplitev6_err(struct sk_buff *skb,
23 struct inet6_skb_parm *opt,
24 u8 type, u8 code, int offset, __be32 info)
25{
26 __udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table);
27}
28
29static const struct inet6_protocol udplitev6_protocol = {
30 .handler = udplitev6_rcv,
31 .err_handler = udplitev6_err,
32 .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
33};
34
35struct proto udplitev6_prot = {
36 .name = "UDPLITEv6",
37 .owner = THIS_MODULE,
38 .close = udp_lib_close,
39 .connect = ip6_datagram_connect,
40 .disconnect = udp_disconnect,
41 .ioctl = udp_ioctl,
42 .init = udplite_sk_init,
43 .destroy = udpv6_destroy_sock,
44 .setsockopt = udpv6_setsockopt,
45 .getsockopt = udpv6_getsockopt,
46 .sendmsg = udpv6_sendmsg,
47 .recvmsg = udpv6_recvmsg,
48 .hash = udp_lib_hash,
49 .unhash = udp_lib_unhash,
50 .get_port = udp_v6_get_port,
51 .memory_allocated = &udp_memory_allocated,
52 .sysctl_mem = sysctl_udp_mem,
53 .obj_size = sizeof(struct udp6_sock),
54 .h.udp_table = &udplite_table,
55#ifdef CONFIG_COMPAT
56 .compat_setsockopt = compat_udpv6_setsockopt,
57 .compat_getsockopt = compat_udpv6_getsockopt,
58#endif
59};
60
61static struct inet_protosw udplite6_protosw = {
62 .type = SOCK_DGRAM,
63 .protocol = IPPROTO_UDPLITE,
64 .prot = &udplitev6_prot,
65 .ops = &inet6_dgram_ops,
66 .flags = INET_PROTOSW_PERMANENT,
67};
68
69int __init udplitev6_init(void)
70{
71 int ret;
72
73 ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
74 if (ret)
75 goto out;
76
77 ret = inet6_register_protosw(&udplite6_protosw);
78 if (ret)
79 goto out_udplitev6_protocol;
80out:
81 return ret;
82
83out_udplitev6_protocol:
84 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
85 goto out;
86}
87
88void udplitev6_exit(void)
89{
90 inet6_unregister_protosw(&udplite6_protosw);
91 inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
92}
93
94#ifdef CONFIG_PROC_FS
95
96static const struct file_operations udplite6_afinfo_seq_fops = {
97 .owner = THIS_MODULE,
98 .open = udp_seq_open,
99 .read = seq_read,
100 .llseek = seq_lseek,
101 .release = seq_release_net
102};
103
104static struct udp_seq_afinfo udplite6_seq_afinfo = {
105 .name = "udplite6",
106 .family = AF_INET6,
107 .udp_table = &udplite_table,
108 .seq_fops = &udplite6_afinfo_seq_fops,
109 .seq_ops = {
110 .show = udp6_seq_show,
111 },
112};
113
114static int __net_init udplite6_proc_init_net(struct net *net)
115{
116 return udp_proc_register(net, &udplite6_seq_afinfo);
117}
118
119static void __net_exit udplite6_proc_exit_net(struct net *net)
120{
121 udp_proc_unregister(net, &udplite6_seq_afinfo);
122}
123
124static struct pernet_operations udplite6_net_ops = {
125 .init = udplite6_proc_init_net,
126 .exit = udplite6_proc_exit_net,
127};
128
129int __init udplite6_proc_init(void)
130{
131 return register_pernet_subsys(&udplite6_net_ops);
132}
133
134void udplite6_proc_exit(void)
135{
136 unregister_pernet_subsys(&udplite6_net_ops);
137}
138#endif
139