Gerrit Renker | ba4e58e | 2006-11-27 11:10:57 -0800 | [diff] [blame] | 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 | |
Herbert Xu | e5bbef2 | 2007-10-15 12:50:28 -0700 | [diff] [blame] | 20 | static int udplitev6_rcv(struct sk_buff *skb) |
Gerrit Renker | ba4e58e | 2006-11-27 11:10:57 -0800 | [diff] [blame] | 21 | { |
Herbert Xu | e5bbef2 | 2007-10-15 12:50:28 -0700 | [diff] [blame] | 22 | return __udp6_lib_rcv(skb, udplite_hash, IPPROTO_UDPLITE); |
Gerrit Renker | ba4e58e | 2006-11-27 11:10:57 -0800 | [diff] [blame] | 23 | } |
| 24 | |
Adrian Bunk | f5b99bc | 2006-11-30 17:22:29 -0800 | [diff] [blame] | 25 | static void udplitev6_err(struct sk_buff *skb, |
| 26 | struct inet6_skb_parm *opt, |
| 27 | int type, int code, int offset, __be32 info) |
Gerrit Renker | ba4e58e | 2006-11-27 11:10:57 -0800 | [diff] [blame] | 28 | { |
| 29 | return __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 | |
Adrian Bunk | f5b99bc | 2006-11-30 17:22:29 -0800 | [diff] [blame] | 38 | static int udplite_v6_get_port(struct sock *sk, unsigned short snum) |
Gerrit Renker | ba4e58e | 2006-11-27 11:10:57 -0800 | [diff] [blame] | 39 | { |
David S. Miller | df2bc45 | 2007-06-05 15:18:43 -0700 | [diff] [blame] | 40 | return udplite_get_port(sk, snum, ipv6_rcv_saddr_equal); |
Gerrit Renker | ba4e58e | 2006-11-27 11:10:57 -0800 | [diff] [blame] | 41 | } |
| 42 | |
Eric Dumazet | c5a432f | 2007-11-05 23:39:51 -0800 | [diff] [blame] | 43 | DEFINE_PROTO_INUSE(udplitev6) |
| 44 | |
Gerrit Renker | ba4e58e | 2006-11-27 11:10:57 -0800 | [diff] [blame] | 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 |
Eric Dumazet | c5a432f | 2007-11-05 23:39:51 -0800 | [diff] [blame] | 67 | REF_PROTO_INUSE(udplitev6) |
Gerrit Renker | ba4e58e | 2006-11-27 11:10:57 -0800 | [diff] [blame] | 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 | void __init udplitev6_init(void) |
| 81 | { |
| 82 | if (inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE) < 0) |
| 83 | printk(KERN_ERR "%s: Could not register.\n", __FUNCTION__); |
| 84 | |
| 85 | inet6_register_protosw(&udplite6_protosw); |
| 86 | } |
| 87 | |
| 88 | #ifdef CONFIG_PROC_FS |
| 89 | static struct file_operations udplite6_seq_fops; |
| 90 | static struct udp_seq_afinfo udplite6_seq_afinfo = { |
| 91 | .owner = THIS_MODULE, |
| 92 | .name = "udplite6", |
| 93 | .family = AF_INET6, |
| 94 | .hashtable = udplite_hash, |
| 95 | .seq_show = udp6_seq_show, |
| 96 | .seq_fops = &udplite6_seq_fops, |
| 97 | }; |
| 98 | |
| 99 | int __init udplite6_proc_init(void) |
| 100 | { |
| 101 | return udp_proc_register(&udplite6_seq_afinfo); |
| 102 | } |
| 103 | |
| 104 | void udplite6_proc_exit(void) |
| 105 | { |
| 106 | udp_proc_unregister(&udplite6_seq_afinfo); |
| 107 | } |
| 108 | #endif |