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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 | * | |
5 | * Version: $Id: udplite.c,v 1.9 2006/10/19 08:28:10 gerrit Exp $ | |
6 | * | |
7 | * Authors: Gerrit Renker <gerrit@erg.abdn.ac.uk> | |
8 | * | |
9 | * Changes: | |
10 | * Fixes: | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License | |
13 | * as published by the Free Software Foundation; either version | |
14 | * 2 of the License, or (at your option) any later version. | |
15 | */ | |
16 | #include "udp_impl.h" | |
17 | ||
18 | DEFINE_SNMP_STAT(struct udp_mib, udplite_stats_in6) __read_mostly; | |
19 | ||
e5bbef20 | 20 | static int udplitev6_rcv(struct sk_buff *skb) |
ba4e58ec | 21 | { |
e5bbef20 | 22 | return __udp6_lib_rcv(skb, udplite_hash, IPPROTO_UDPLITE); |
ba4e58ec GR |
23 | } |
24 | ||
f5b99bcd AB |
25 | static void udplitev6_err(struct sk_buff *skb, |
26 | struct inet6_skb_parm *opt, | |
27 | int type, int code, int offset, __be32 info) | |
ba4e58ec | 28 | { |
77d0d350 | 29 | __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash); |
ba4e58ec GR |
30 | } |
31 | ||
32 | static struct inet6_protocol udplitev6_protocol = { | |
33 | .handler = udplitev6_rcv, | |
34 | .err_handler = udplitev6_err, | |
35 | .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, | |
36 | }; | |
37 | ||
f5b99bcd | 38 | static int udplite_v6_get_port(struct sock *sk, unsigned short snum) |
ba4e58ec | 39 | { |
df2bc459 | 40 | return udplite_get_port(sk, snum, ipv6_rcv_saddr_equal); |
ba4e58ec GR |
41 | } |
42 | ||
c5a432f1 ED |
43 | DEFINE_PROTO_INUSE(udplitev6) |
44 | ||
ba4e58ec GR |
45 | struct proto udplitev6_prot = { |
46 | .name = "UDPLITEv6", | |
47 | .owner = THIS_MODULE, | |
48 | .close = udp_lib_close, | |
49 | .connect = ip6_datagram_connect, | |
50 | .disconnect = udp_disconnect, | |
51 | .ioctl = udp_ioctl, | |
52 | .init = udplite_sk_init, | |
53 | .destroy = udpv6_destroy_sock, | |
54 | .setsockopt = udpv6_setsockopt, | |
55 | .getsockopt = udpv6_getsockopt, | |
56 | .sendmsg = udpv6_sendmsg, | |
57 | .recvmsg = udpv6_recvmsg, | |
58 | .backlog_rcv = udpv6_queue_rcv_skb, | |
59 | .hash = udp_lib_hash, | |
60 | .unhash = udp_lib_unhash, | |
61 | .get_port = udplite_v6_get_port, | |
62 | .obj_size = sizeof(struct udp6_sock), | |
63 | #ifdef CONFIG_COMPAT | |
64 | .compat_setsockopt = compat_udpv6_setsockopt, | |
65 | .compat_getsockopt = compat_udpv6_getsockopt, | |
66 | #endif | |
c5a432f1 | 67 | REF_PROTO_INUSE(udplitev6) |
ba4e58ec GR |
68 | }; |
69 | ||
70 | static struct inet_protosw udplite6_protosw = { | |
71 | .type = SOCK_DGRAM, | |
72 | .protocol = IPPROTO_UDPLITE, | |
73 | .prot = &udplitev6_prot, | |
74 | .ops = &inet6_dgram_ops, | |
75 | .capability = -1, | |
76 | .no_check = 0, | |
77 | .flags = INET_PROTOSW_PERMANENT, | |
78 | }; | |
79 | ||
7f4e4868 | 80 | int __init udplitev6_init(void) |
ba4e58ec | 81 | { |
7f4e4868 | 82 | int ret; |
ba4e58ec | 83 | |
7f4e4868 DL |
84 | ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); |
85 | if (ret) | |
86 | goto out; | |
87 | ||
88 | ret = inet6_register_protosw(&udplite6_protosw); | |
89 | if (ret) | |
90 | goto out_udplitev6_protocol; | |
91 | out: | |
92 | return ret; | |
93 | ||
94 | out_udplitev6_protocol: | |
95 | inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); | |
96 | goto out; | |
97 | } | |
98 | ||
09f7709f | 99 | void udplitev6_exit(void) |
7f4e4868 DL |
100 | { |
101 | inet6_unregister_protosw(&udplite6_protosw); | |
102 | inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); | |
ba4e58ec GR |
103 | } |
104 | ||
105 | #ifdef CONFIG_PROC_FS | |
106 | static struct file_operations udplite6_seq_fops; | |
107 | static struct udp_seq_afinfo udplite6_seq_afinfo = { | |
108 | .owner = THIS_MODULE, | |
109 | .name = "udplite6", | |
110 | .family = AF_INET6, | |
111 | .hashtable = udplite_hash, | |
112 | .seq_show = udp6_seq_show, | |
113 | .seq_fops = &udplite6_seq_fops, | |
114 | }; | |
115 | ||
116 | int __init udplite6_proc_init(void) | |
117 | { | |
0c96d8c5 | 118 | return udp_proc_register(&init_net, &udplite6_seq_afinfo); |
ba4e58ec GR |
119 | } |
120 | ||
121 | void udplite6_proc_exit(void) | |
122 | { | |
0c96d8c5 | 123 | udp_proc_unregister(&init_net, &udplite6_seq_afinfo); |
ba4e58ec GR |
124 | } |
125 | #endif |