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> |
ba4e58ec GR |
15 | #include "udp_impl.h" |
16 | ||
e5bbef20 | 17 | static int udplitev6_rcv(struct sk_buff *skb) |
ba4e58ec | 18 | { |
645ca708 | 19 | return __udp6_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE); |
ba4e58ec GR |
20 | } |
21 | ||
f5b99bcd AB |
22 | static void udplitev6_err(struct sk_buff *skb, |
23 | struct inet6_skb_parm *opt, | |
d5fdd6ba | 24 | u8 type, u8 code, int offset, __be32 info) |
ba4e58ec | 25 | { |
645ca708 | 26 | __udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table); |
ba4e58ec GR |
27 | } |
28 | ||
41135cc8 | 29 | static const struct inet6_protocol udplitev6_protocol = { |
ba4e58ec GR |
30 | .handler = udplitev6_rcv, |
31 | .err_handler = udplitev6_err, | |
32 | .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, | |
33 | }; | |
34 | ||
ba4e58ec GR |
35 | struct 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 | .backlog_rcv = udpv6_queue_rcv_skb, | |
49 | .hash = udp_lib_hash, | |
50 | .unhash = udp_lib_unhash, | |
6ba5a3c5 | 51 | .get_port = udp_v6_get_port, |
ba4e58ec | 52 | .obj_size = sizeof(struct udp6_sock), |
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, | |
ba4e58ec GR |
65 | .flags = INET_PROTOSW_PERMANENT, |
66 | }; | |
67 | ||
7f4e4868 | 68 | int __init udplitev6_init(void) |
ba4e58ec | 69 | { |
7f4e4868 | 70 | int ret; |
ba4e58ec | 71 | |
7f4e4868 DL |
72 | ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); |
73 | if (ret) | |
74 | goto out; | |
75 | ||
76 | ret = inet6_register_protosw(&udplite6_protosw); | |
77 | if (ret) | |
78 | goto out_udplitev6_protocol; | |
79 | out: | |
80 | return ret; | |
81 | ||
82 | out_udplitev6_protocol: | |
83 | inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); | |
84 | goto out; | |
85 | } | |
86 | ||
09f7709f | 87 | void udplitev6_exit(void) |
7f4e4868 DL |
88 | { |
89 | inet6_unregister_protosw(&udplite6_protosw); | |
90 | inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); | |
ba4e58ec GR |
91 | } |
92 | ||
93 | #ifdef CONFIG_PROC_FS | |
73cb88ec AV |
94 | |
95 | static const struct file_operations udplite6_afinfo_seq_fops = { | |
96 | .owner = THIS_MODULE, | |
97 | .open = udp_seq_open, | |
98 | .read = seq_read, | |
99 | .llseek = seq_lseek, | |
100 | .release = seq_release_net | |
101 | }; | |
102 | ||
ba4e58ec | 103 | static struct udp_seq_afinfo udplite6_seq_afinfo = { |
ba4e58ec GR |
104 | .name = "udplite6", |
105 | .family = AF_INET6, | |
645ca708 | 106 | .udp_table = &udplite_table, |
73cb88ec | 107 | .seq_fops = &udplite6_afinfo_seq_fops, |
dda61925 DL |
108 | .seq_ops = { |
109 | .show = udp6_seq_show, | |
110 | }, | |
ba4e58ec GR |
111 | }; |
112 | ||
2c8c1e72 | 113 | static int __net_init udplite6_proc_init_net(struct net *net) |
84c375af PE |
114 | { |
115 | return udp_proc_register(net, &udplite6_seq_afinfo); | |
116 | } | |
117 | ||
2c8c1e72 | 118 | static void __net_exit udplite6_proc_exit_net(struct net *net) |
84c375af PE |
119 | { |
120 | udp_proc_unregister(net, &udplite6_seq_afinfo); | |
121 | } | |
122 | ||
123 | static struct pernet_operations udplite6_net_ops = { | |
124 | .init = udplite6_proc_init_net, | |
125 | .exit = udplite6_proc_exit_net, | |
126 | }; | |
127 | ||
ba4e58ec GR |
128 | int __init udplite6_proc_init(void) |
129 | { | |
84c375af | 130 | return register_pernet_subsys(&udplite6_net_ops); |
ba4e58ec GR |
131 | } |
132 | ||
133 | void udplite6_proc_exit(void) | |
134 | { | |
84c375af | 135 | unregister_pernet_subsys(&udplite6_net_ops); |
ba4e58ec GR |
136 | } |
137 | #endif |