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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 | */ | |
bc3b2d7f | 14 | #include <linux/export.h> |
a3d2599b | 15 | #include <linux/proc_fs.h> |
ba4e58ec GR |
16 | #include "udp_impl.h" |
17 | ||
e5bbef20 | 18 | static int udplitev6_rcv(struct sk_buff *skb) |
ba4e58ec | 19 | { |
645ca708 | 20 | return __udp6_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE); |
ba4e58ec GR |
21 | } |
22 | ||
f5b99bcd AB |
23 | static void udplitev6_err(struct sk_buff *skb, |
24 | struct inet6_skb_parm *opt, | |
d5fdd6ba | 25 | u8 type, u8 code, int offset, __be32 info) |
ba4e58ec | 26 | { |
645ca708 | 27 | __udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table); |
ba4e58ec GR |
28 | } |
29 | ||
41135cc8 | 30 | static const struct inet6_protocol udplitev6_protocol = { |
ba4e58ec GR |
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, | |
ba4e58ec GR |
49 | .hash = udp_lib_hash, |
50 | .unhash = udp_lib_unhash, | |
6ba5a3c5 | 51 | .get_port = udp_v6_get_port, |
c915fe13 PA |
52 | .memory_allocated = &udp_memory_allocated, |
53 | .sysctl_mem = sysctl_udp_mem, | |
ba4e58ec | 54 | .obj_size = sizeof(struct udp6_sock), |
645ca708 | 55 | .h.udp_table = &udplite_table, |
ba4e58ec GR |
56 | #ifdef CONFIG_COMPAT |
57 | .compat_setsockopt = compat_udpv6_setsockopt, | |
58 | .compat_getsockopt = compat_udpv6_getsockopt, | |
59 | #endif | |
60 | }; | |
61 | ||
62 | static struct inet_protosw udplite6_protosw = { | |
63 | .type = SOCK_DGRAM, | |
64 | .protocol = IPPROTO_UDPLITE, | |
65 | .prot = &udplitev6_prot, | |
66 | .ops = &inet6_dgram_ops, | |
ba4e58ec GR |
67 | .flags = INET_PROTOSW_PERMANENT, |
68 | }; | |
69 | ||
7f4e4868 | 70 | int __init udplitev6_init(void) |
ba4e58ec | 71 | { |
7f4e4868 | 72 | int ret; |
ba4e58ec | 73 | |
7f4e4868 DL |
74 | ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); |
75 | if (ret) | |
76 | goto out; | |
77 | ||
78 | ret = inet6_register_protosw(&udplite6_protosw); | |
79 | if (ret) | |
80 | goto out_udplitev6_protocol; | |
81 | out: | |
82 | return ret; | |
83 | ||
84 | out_udplitev6_protocol: | |
85 | inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); | |
86 | goto out; | |
87 | } | |
88 | ||
09f7709f | 89 | void udplitev6_exit(void) |
7f4e4868 DL |
90 | { |
91 | inet6_unregister_protosw(&udplite6_protosw); | |
92 | inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); | |
ba4e58ec GR |
93 | } |
94 | ||
95 | #ifdef CONFIG_PROC_FS | |
ba4e58ec | 96 | static struct udp_seq_afinfo udplite6_seq_afinfo = { |
ba4e58ec | 97 | .family = AF_INET6, |
645ca708 | 98 | .udp_table = &udplite_table, |
ba4e58ec GR |
99 | }; |
100 | ||
2c8c1e72 | 101 | static int __net_init udplite6_proc_init_net(struct net *net) |
84c375af | 102 | { |
c3506372 CH |
103 | if (!proc_create_net_data("udplite6", 0444, net->proc_net, |
104 | &udp6_seq_ops, sizeof(struct udp_iter_state), | |
105 | &udplite6_seq_afinfo)) | |
a3d2599b CH |
106 | return -ENOMEM; |
107 | return 0; | |
84c375af PE |
108 | } |
109 | ||
2c8c1e72 | 110 | static void __net_exit udplite6_proc_exit_net(struct net *net) |
84c375af | 111 | { |
a3d2599b | 112 | remove_proc_entry("udplite6", net->proc_net); |
84c375af PE |
113 | } |
114 | ||
115 | static struct pernet_operations udplite6_net_ops = { | |
116 | .init = udplite6_proc_init_net, | |
117 | .exit = udplite6_proc_exit_net, | |
118 | }; | |
119 | ||
ba4e58ec GR |
120 | int __init udplite6_proc_init(void) |
121 | { | |
84c375af | 122 | return register_pernet_subsys(&udplite6_net_ops); |
ba4e58ec GR |
123 | } |
124 | ||
125 | void udplite6_proc_exit(void) | |
126 | { | |
84c375af | 127 | unregister_pernet_subsys(&udplite6_net_ops); |
ba4e58ec GR |
128 | } |
129 | #endif |