| /* |
| * UDPLITEv6 An implementation of the UDP-Lite protocol over IPv6. |
| * See also net/ipv4/udplite.c |
| * |
| * Version: $Id: udplite.c,v 1.9 2006/10/19 08:28:10 gerrit Exp $ |
| * |
| * Authors: Gerrit Renker <gerrit@erg.abdn.ac.uk> |
| * |
| * Changes: |
| * Fixes: |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| #include "udp_impl.h" |
| |
| DEFINE_SNMP_STAT(struct udp_mib, udplite_stats_in6) __read_mostly; |
| |
| static __inline__ int udplitev6_rcv(struct sk_buff **pskb) |
| { |
| return __udp6_lib_rcv(pskb, udplite_hash, 1); |
| } |
| |
| static __inline__ void udplitev6_err(struct sk_buff *skb, |
| struct inet6_skb_parm *opt, |
| int type, int code, int offset, __u32 info) |
| { |
| return __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash); |
| } |
| |
| static struct inet6_protocol udplitev6_protocol = { |
| .handler = udplitev6_rcv, |
| .err_handler = udplitev6_err, |
| .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, |
| }; |
| |
| static __inline__ int udplite_v6_get_port(struct sock *sk, unsigned short snum) |
| { |
| return udplite_get_port(sk, snum, ipv6_rcv_saddr_equal); |
| } |
| |
| struct proto udplitev6_prot = { |
| .name = "UDPLITEv6", |
| .owner = THIS_MODULE, |
| .close = udp_lib_close, |
| .connect = ip6_datagram_connect, |
| .disconnect = udp_disconnect, |
| .ioctl = udp_ioctl, |
| .init = udplite_sk_init, |
| .destroy = udpv6_destroy_sock, |
| .setsockopt = udpv6_setsockopt, |
| .getsockopt = udpv6_getsockopt, |
| .sendmsg = udpv6_sendmsg, |
| .recvmsg = udpv6_recvmsg, |
| .backlog_rcv = udpv6_queue_rcv_skb, |
| .hash = udp_lib_hash, |
| .unhash = udp_lib_unhash, |
| .get_port = udplite_v6_get_port, |
| .obj_size = sizeof(struct udp6_sock), |
| #ifdef CONFIG_COMPAT |
| .compat_setsockopt = compat_udpv6_setsockopt, |
| .compat_getsockopt = compat_udpv6_getsockopt, |
| #endif |
| }; |
| |
| static struct inet_protosw udplite6_protosw = { |
| .type = SOCK_DGRAM, |
| .protocol = IPPROTO_UDPLITE, |
| .prot = &udplitev6_prot, |
| .ops = &inet6_dgram_ops, |
| .capability = -1, |
| .no_check = 0, |
| .flags = INET_PROTOSW_PERMANENT, |
| }; |
| |
| void __init udplitev6_init(void) |
| { |
| if (inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE) < 0) |
| printk(KERN_ERR "%s: Could not register.\n", __FUNCTION__); |
| |
| inet6_register_protosw(&udplite6_protosw); |
| } |
| |
| #ifdef CONFIG_PROC_FS |
| static struct file_operations udplite6_seq_fops; |
| static struct udp_seq_afinfo udplite6_seq_afinfo = { |
| .owner = THIS_MODULE, |
| .name = "udplite6", |
| .family = AF_INET6, |
| .hashtable = udplite_hash, |
| .seq_show = udp6_seq_show, |
| .seq_fops = &udplite6_seq_fops, |
| }; |
| |
| int __init udplite6_proc_init(void) |
| { |
| return udp_proc_register(&udplite6_seq_afinfo); |
| } |
| |
| void udplite6_proc_exit(void) |
| { |
| udp_proc_unregister(&udplite6_seq_afinfo); |
| } |
| #endif |