[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / ipv6 / udplite.c

/*
 *  UDPLITEv6   An implementation of the UDP-Lite protocol over IPv6.
 *              See also net/ipv4/udplite.c
 *
 *  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"

static int udplitev6_rcv(struct sk_buff *skb)
{
	return __udp6_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE);
}

static void udplitev6_err(struct sk_buff *skb,
			  struct inet6_skb_parm *opt,
			  int type, int code, int offset, __be32 info)
{
	__udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table);
}

static struct inet6_protocol udplitev6_protocol = {
	.handler	=	udplitev6_rcv,
	.err_handler	=	udplitev6_err,
	.flags		=	INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
};

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	   = udp_v6_get_port,
	.obj_size	   = sizeof(struct udp6_sock),
	.slab_flags	   = SLAB_DESTROY_BY_RCU,
	.h.udp_table	   = &udplite_table,
#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,
};

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

#ifdef CONFIG_PROC_FS
static struct udp_seq_afinfo udplite6_seq_afinfo = {
	.name		= "udplite6",
	.family		= AF_INET6,
	.udp_table	= &udplite_table,
	.seq_fops	= {
		.owner	=	THIS_MODULE,
	},
	.seq_ops	= {
		.show		= udp6_seq_show,
	},
};

static int udplite6_proc_init_net(struct net *net)
{
	return udp_proc_register(net, &udplite6_seq_afinfo);
}

static void udplite6_proc_exit_net(struct net *net)
{
	udp_proc_unregister(net, &udplite6_seq_afinfo);
}

static struct pernet_operations udplite6_net_ops = {
	.init = udplite6_proc_init_net,
	.exit = udplite6_proc_exit_net,
};

int __init udplite6_proc_init(void)
{
	return register_pernet_subsys(&udplite6_net_ops);
}

void udplite6_proc_exit(void)
{
	unregister_pernet_subsys(&udplite6_net_ops);
}
#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	*
ba4e58ec GR	5	* Authors: Gerrit Renker <gerrit@erg.abdn.ac.uk>
	6	*
	7	* Changes:
	8	* Fixes:
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU General Public License
	11	* as published by the Free Software Foundation; either version
	12	* 2 of the License, or (at your option) any later version.
	13	*/
	14	#include "udp_impl.h"
	15
e5bbef20	16	static int udplitev6_rcv(struct sk_buff *skb)
ba4e58ec	17	{
645ca708	18	return __udp6_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE);
ba4e58ec GR	19	}
ba4e58ec GR	20
f5b99bcd AB	21	static void udplitev6_err(struct sk_buff *skb,
	22	struct inet6_skb_parm *opt,
	23	int type, int code, int offset, __be32 info)
ba4e58ec	24	{
645ca708	25	__udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table);
ba4e58ec GR	26	}
	27
	28	static struct inet6_protocol udplitev6_protocol = {
	29	.handler = udplitev6_rcv,
	30	.err_handler = udplitev6_err,
	31	.flags = INET6_PROTO_NOPOLICY\|INET6_PROTO_FINAL,
	32	};
	33
ba4e58ec GR	34	struct proto udplitev6_prot = {
	35	.name = "UDPLITEv6",
	36	.owner = THIS_MODULE,
	37	.close = udp_lib_close,
	38	.connect = ip6_datagram_connect,
	39	.disconnect = udp_disconnect,
	40	.ioctl = udp_ioctl,
	41	.init = udplite_sk_init,
	42	.destroy = udpv6_destroy_sock,
	43	.setsockopt = udpv6_setsockopt,
	44	.getsockopt = udpv6_getsockopt,
	45	.sendmsg = udpv6_sendmsg,
	46	.recvmsg = udpv6_recvmsg,
	47	.backlog_rcv = udpv6_queue_rcv_skb,
	48	.hash = udp_lib_hash,
	49	.unhash = udp_lib_unhash,
6ba5a3c5	50	.get_port = udp_v6_get_port,
ba4e58ec	51	.obj_size = sizeof(struct udp6_sock),
271b72c7	52	.slab_flags = SLAB_DESTROY_BY_RCU,
645ca708	53	.h.udp_table = &udplite_table,
ba4e58ec GR	54	#ifdef CONFIG_COMPAT
	55	.compat_setsockopt = compat_udpv6_setsockopt,
	56	.compat_getsockopt = compat_udpv6_getsockopt,
	57	#endif
	58	};
	59
	60	static struct inet_protosw udplite6_protosw = {
	61	.type = SOCK_DGRAM,
	62	.protocol = IPPROTO_UDPLITE,
	63	.prot = &udplitev6_prot,
	64	.ops = &inet6_dgram_ops,
	65	.capability = -1,
	66	.no_check = 0,
	67	.flags = INET_PROTOSW_PERMANENT,
	68	};
	69
7f4e4868	70	int __init udplitev6_init(void)
ba4e58ec	71	{
7f4e4868	72	int ret;
ba4e58ec	73
7f4e4868 DL	74	ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
	75	if (ret)
	76	goto out;
	77
	78	ret = inet6_register_protosw(&udplite6_protosw);
	79	if (ret)
	80	goto out_udplitev6_protocol;
	81	out:
	82	return ret;
	83
	84	out_udplitev6_protocol:
	85	inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
	86	goto out;
	87	}
	88
09f7709f	89	void udplitev6_exit(void)
7f4e4868 DL	90	{
	91	inet6_unregister_protosw(&udplite6_protosw);
	92	inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
ba4e58ec GR	93	}
	94
	95	#ifdef CONFIG_PROC_FS
ba4e58ec	96	static struct udp_seq_afinfo udplite6_seq_afinfo = {
ba4e58ec GR	97	.name = "udplite6",
ba4e58ec GR	98	.family = AF_INET6,
645ca708	99	.udp_table = &udplite_table,
4ad96d39 DL	100	.seq_fops = {
	101	.owner = THIS_MODULE,
	102	},
dda61925 DL	103	.seq_ops = {
	104	.show = udp6_seq_show,
	105	},
ba4e58ec GR	106	};
ba4e58ec GR	107
84c375af PE	108	static int udplite6_proc_init_net(struct net *net)
	109	{
	110	return udp_proc_register(net, &udplite6_seq_afinfo);
	111	}
	112
	113	static void udplite6_proc_exit_net(struct net *net)
	114	{
	115	udp_proc_unregister(net, &udplite6_seq_afinfo);
	116	}
	117
	118	static struct pernet_operations udplite6_net_ops = {
	119	.init = udplite6_proc_init_net,
	120	.exit = udplite6_proc_exit_net,
	121	};
	122
ba4e58ec GR	123	int __init udplite6_proc_init(void)
ba4e58ec GR	124	{
84c375af	125	return register_pernet_subsys(&udplite6_net_ops);
ba4e58ec GR	126	}
	127
	128	void udplite6_proc_exit(void)
	129	{
84c375af	130	unregister_pernet_subsys(&udplite6_net_ops);
ba4e58ec GR	131	}
ba4e58ec GR	132	#endif