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Commit | Line | Data |
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ba4e58ec GR |
1 | /* |
2 | * UDPLITEv6 An implementation of the UDP-Lite protocol over IPv6. | |
3 | * See also net/ipv4/udplite.c | |
4 | * | |
ba4e58ec GR |
5 | * Authors: Gerrit Renker <gerrit@erg.abdn.ac.uk> |
6 | * | |
7 | * Changes: | |
8 | * Fixes: | |
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. | |
13 | */ | |
14 | #include "udp_impl.h" | |
15 | ||
16 | DEFINE_SNMP_STAT(struct udp_mib, udplite_stats_in6) __read_mostly; | |
17 | ||
e5bbef20 | 18 | static int udplitev6_rcv(struct sk_buff *skb) |
ba4e58ec | 19 | { |
e5bbef20 | 20 | return __udp6_lib_rcv(skb, udplite_hash, IPPROTO_UDPLITE); |
ba4e58ec GR |
21 | } |
22 | ||
f5b99bcd AB |
23 | static void udplitev6_err(struct sk_buff *skb, |
24 | struct inet6_skb_parm *opt, | |
25 | int type, int code, int offset, __be32 info) | |
ba4e58ec | 26 | { |
77d0d350 | 27 | __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash); |
ba4e58ec GR |
28 | } |
29 | ||
30 | static struct inet6_protocol udplitev6_protocol = { | |
31 | .handler = udplitev6_rcv, | |
32 | .err_handler = udplitev6_err, | |
33 | .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, | |
34 | }; | |
35 | ||
ba4e58ec GR |
36 | struct proto udplitev6_prot = { |
37 | .name = "UDPLITEv6", | |
38 | .owner = THIS_MODULE, | |
39 | .close = udp_lib_close, | |
40 | .connect = ip6_datagram_connect, | |
41 | .disconnect = udp_disconnect, | |
42 | .ioctl = udp_ioctl, | |
43 | .init = udplite_sk_init, | |
44 | .destroy = udpv6_destroy_sock, | |
45 | .setsockopt = udpv6_setsockopt, | |
46 | .getsockopt = udpv6_getsockopt, | |
47 | .sendmsg = udpv6_sendmsg, | |
48 | .recvmsg = udpv6_recvmsg, | |
49 | .backlog_rcv = udpv6_queue_rcv_skb, | |
50 | .hash = udp_lib_hash, | |
51 | .unhash = udp_lib_unhash, | |
6ba5a3c5 | 52 | .get_port = udp_v6_get_port, |
ba4e58ec | 53 | .obj_size = sizeof(struct udp6_sock), |
6ba5a3c5 | 54 | .h.udp_hash = udplite_hash, |
ba4e58ec GR |
55 | #ifdef CONFIG_COMPAT |
56 | .compat_setsockopt = compat_udpv6_setsockopt, | |
57 | .compat_getsockopt = compat_udpv6_getsockopt, | |
58 | #endif | |
59 | }; | |
60 | ||
61 | static struct inet_protosw udplite6_protosw = { | |
62 | .type = SOCK_DGRAM, | |
63 | .protocol = IPPROTO_UDPLITE, | |
64 | .prot = &udplitev6_prot, | |
65 | .ops = &inet6_dgram_ops, | |
66 | .capability = -1, | |
67 | .no_check = 0, | |
68 | .flags = INET_PROTOSW_PERMANENT, | |
69 | }; | |
70 | ||
7f4e4868 | 71 | int __init udplitev6_init(void) |
ba4e58ec | 72 | { |
7f4e4868 | 73 | int ret; |
ba4e58ec | 74 | |
7f4e4868 DL |
75 | ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); |
76 | if (ret) | |
77 | goto out; | |
78 | ||
79 | ret = inet6_register_protosw(&udplite6_protosw); | |
80 | if (ret) | |
81 | goto out_udplitev6_protocol; | |
82 | out: | |
83 | return ret; | |
84 | ||
85 | out_udplitev6_protocol: | |
86 | inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); | |
87 | goto out; | |
88 | } | |
89 | ||
09f7709f | 90 | void udplitev6_exit(void) |
7f4e4868 DL |
91 | { |
92 | inet6_unregister_protosw(&udplite6_protosw); | |
93 | inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); | |
ba4e58ec GR |
94 | } |
95 | ||
96 | #ifdef CONFIG_PROC_FS | |
ba4e58ec | 97 | static struct udp_seq_afinfo udplite6_seq_afinfo = { |
ba4e58ec GR |
98 | .name = "udplite6", |
99 | .family = AF_INET6, | |
100 | .hashtable = udplite_hash, | |
4ad96d39 DL |
101 | .seq_fops = { |
102 | .owner = THIS_MODULE, | |
103 | }, | |
dda61925 DL |
104 | .seq_ops = { |
105 | .show = udp6_seq_show, | |
106 | }, | |
ba4e58ec GR |
107 | }; |
108 | ||
84c375af PE |
109 | static int udplite6_proc_init_net(struct net *net) |
110 | { | |
111 | return udp_proc_register(net, &udplite6_seq_afinfo); | |
112 | } | |
113 | ||
114 | static void udplite6_proc_exit_net(struct net *net) | |
115 | { | |
116 | udp_proc_unregister(net, &udplite6_seq_afinfo); | |
117 | } | |
118 | ||
119 | static struct pernet_operations udplite6_net_ops = { | |
120 | .init = udplite6_proc_init_net, | |
121 | .exit = udplite6_proc_exit_net, | |
122 | }; | |
123 | ||
ba4e58ec GR |
124 | int __init udplite6_proc_init(void) |
125 | { | |
84c375af | 126 | return register_pernet_subsys(&udplite6_net_ops); |
ba4e58ec GR |
127 | } |
128 | ||
129 | void udplite6_proc_exit(void) | |
130 | { | |
84c375af | 131 | unregister_pernet_subsys(&udplite6_net_ops); |
ba4e58ec GR |
132 | } |
133 | #endif |