diff options
Diffstat (limited to 'net/ipv6/udplite.c')
-rw-r--r-- | net/ipv6/udplite.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c new file mode 100644 index 000000000000..87d4202522ee --- /dev/null +++ b/net/ipv6/udplite.c | |||
@@ -0,0 +1,125 @@ | |||
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 | |||
20 | static int udplitev6_rcv(struct sk_buff *skb) | ||
21 | { | ||
22 | return __udp6_lib_rcv(skb, udplite_hash, IPPROTO_UDPLITE); | ||
23 | } | ||
24 | |||
25 | static void udplitev6_err(struct sk_buff *skb, | ||
26 | struct inet6_skb_parm *opt, | ||
27 | int type, int code, int offset, __be32 info) | ||
28 | { | ||
29 | __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash); | ||
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 | |||
38 | static int udplite_v6_get_port(struct sock *sk, unsigned short snum) | ||
39 | { | ||
40 | return udplite_get_port(sk, snum, ipv6_rcv_saddr_equal); | ||
41 | } | ||
42 | |||
43 | DEFINE_PROTO_INUSE(udplitev6) | ||
44 | |||
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 | ||
67 | REF_PROTO_INUSE(udplitev6) | ||
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 | |||
80 | int __init udplitev6_init(void) | ||
81 | { | ||
82 | int ret; | ||
83 | |||
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 | |||
99 | void udplitev6_exit(void) | ||
100 | { | ||
101 | inet6_unregister_protosw(&udplite6_protosw); | ||
102 | inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE); | ||
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 | { | ||
118 | return udp_proc_register(&udplite6_seq_afinfo); | ||
119 | } | ||
120 | |||
121 | void udplite6_proc_exit(void) | ||
122 | { | ||
123 | udp_proc_unregister(&udplite6_seq_afinfo); | ||
124 | } | ||
125 | #endif | ||