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 | ||
e5bbef20 | 16 | static int udplitev6_rcv(struct sk_buff *skb) |
ba4e58ec | 17 | { |
645ca708 | 18 | return __udp6_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE); |
ba4e58ec GR |
19 | } |
20 | ||
f5b99bcd AB |
21 | static void udplitev6_err(struct sk_buff *skb, |
22 | struct inet6_skb_parm *opt, | |
d5fdd6ba | 23 | u8 type, u8 code, int offset, __be32 info) |
ba4e58ec | 24 | { |
645ca708 | 25 | __udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table); |
ba4e58ec GR |
26 | } |
27 | ||
28 | static struct inet6_protocol udplitev6_protocol = { | |
29 | .handler = udplitev6_rcv, | |
30 | .err_handler = udplitev6_err, | |
31 | .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, | |
32 | }; | |
33 | ||
ba4e58ec GR |
34 | struct proto udplitev6_prot = { |
35 | .name = "UDPLITEv6", | |
36 | .owner = THIS_MODULE, | |
37 | .close = udp_lib_close, | |
38 | .connect = ip6_datagram_connect, | |
39 | .disconnect = udp_disconnect, | |
40 | .ioctl = udp_ioctl, | |
41 | .init = udplite_sk_init, | |
42 | .destroy = udpv6_destroy_sock, | |
43 | .setsockopt = udpv6_setsockopt, | |
44 | .getsockopt = udpv6_getsockopt, | |
45 | .sendmsg = udpv6_sendmsg, | |
46 | .recvmsg = udpv6_recvmsg, | |
47 | .backlog_rcv = udpv6_queue_rcv_skb, | |
48 | .hash = udp_lib_hash, | |
49 | .unhash = udp_lib_unhash, | |
6ba5a3c5 | 50 | .get_port = udp_v6_get_port, |
ba4e58ec | 51 | .obj_size = sizeof(struct udp6_sock), |
271b72c7 | 52 | .slab_flags = SLAB_DESTROY_BY_RCU, |
645ca708 | 53 | .h.udp_table = &udplite_table, |
ba4e58ec GR |
54 | #ifdef CONFIG_COMPAT |
55 | .compat_setsockopt = compat_udpv6_setsockopt, | |
56 | .compat_getsockopt = compat_udpv6_getsockopt, | |
57 | #endif | |
58 | }; | |
59 | ||
60 | static struct inet_protosw udplite6_protosw = { | |
61 | .type = SOCK_DGRAM, | |
62 | .protocol = IPPROTO_UDPLITE, | |
63 | .prot = &udplitev6_prot, | |
64 | .ops = &inet6_dgram_ops, | |
65 | .capability = -1, | |
66 | .no_check = 0, | |
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 GR |
97 | .name = "udplite6", |
98 | .family = AF_INET6, | |
645ca708 | 99 | .udp_table = &udplite_table, |
4ad96d39 DL |
100 | .seq_fops = { |
101 | .owner = THIS_MODULE, | |
102 | }, | |
dda61925 DL |
103 | .seq_ops = { |
104 | .show = udp6_seq_show, | |
105 | }, | |
ba4e58ec GR |
106 | }; |
107 | ||
84c375af PE |
108 | static int udplite6_proc_init_net(struct net *net) |
109 | { | |
110 | return udp_proc_register(net, &udplite6_seq_afinfo); | |
111 | } | |
112 | ||
113 | static void udplite6_proc_exit_net(struct net *net) | |
114 | { | |
115 | udp_proc_unregister(net, &udplite6_seq_afinfo); | |
116 | } | |
117 | ||
118 | static struct pernet_operations udplite6_net_ops = { | |
119 | .init = udplite6_proc_init_net, | |
120 | .exit = udplite6_proc_exit_net, | |
121 | }; | |
122 | ||
ba4e58ec GR |
123 | int __init udplite6_proc_init(void) |
124 | { | |
84c375af | 125 | return register_pernet_subsys(&udplite6_net_ops); |
ba4e58ec GR |
126 | } |
127 | ||
128 | void udplite6_proc_exit(void) | |
129 | { | |
84c375af | 130 | unregister_pernet_subsys(&udplite6_net_ops); |
ba4e58ec GR |
131 | } |
132 | #endif |