[linux-block.git] / net / ipv6 / udplite.c

/*
 *  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 int udplitev6_rcv(struct sk_buff *skb)
{
	return __udp6_lib_rcv(skb, udplite_hash, IPPROTO_UDPLITE);
}

static void udplitev6_err(struct sk_buff *skb,
			  struct inet6_skb_parm *opt,
			  int type, int code, int offset, __be32 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 int udplite_v6_get_port(struct sock *sk, unsigned short snum)
{
	return udplite_get_port(sk, snum, ipv6_rcv_saddr_equal);
}

DEFINE_PROTO_INUSE(udplitev6)

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
	REF_PROTO_INUSE(udplitev6)
};

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,
};

int __init udplitev6_init(void)
{
	int ret;

	ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
	if (ret)
		goto out;

	ret = inet6_register_protosw(&udplite6_protosw);
	if (ret)
		goto out_udplitev6_protocol;
out:
	return ret;

out_udplitev6_protocol:
	inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
	goto out;
}

void __exit udplitev6_exit(void)
{
	inet6_unregister_protosw(&udplite6_protosw);
	inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
}

#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
Commit	Line	Data
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	}
ba4e58ec GR	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 GR	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
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	}
ba4e58ec GR	42
c5a432f1 ED	43	DEFINE_PROTO_INUSE(udplitev6)
c5a432f1 ED	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
	99	void __exit udplitev6_exit(void)
	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	{
	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