[deliverable/linux.git] / include / linux / netfilter_ipv4 / ip_tables.h

/*
 * 25-Jul-1998 Major changes to allow for ip chain table
 *
 * 3-Jan-2000 Named tables to allow packet selection for different uses.
 */

/*
 * 	Format of an IP firewall descriptor
 *
 * 	src, dst, src_mask, dst_mask are always stored in network byte order.
 * 	flags are stored in host byte order (of course).
 * 	Port numbers are stored in HOST byte order.
 */

#ifndef _IPTABLES_H
#define _IPTABLES_H

#ifdef __KERNEL__
#include <linux/if.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/skbuff.h>
#endif
#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/netfilter_ipv4.h>

#include <linux/netfilter/x_tables.h>

#ifndef __KERNEL__
#define IPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN
#define IPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN
#define ipt_match xt_match
#define ipt_target xt_target
#define ipt_table xt_table
#define ipt_get_revision xt_get_revision
#define ipt_entry_match xt_entry_match
#define ipt_entry_target xt_entry_target
#define ipt_standard_target xt_standard_target
#define ipt_error_target xt_error_target
#define ipt_counters xt_counters
#define IPT_CONTINUE XT_CONTINUE
#define IPT_RETURN XT_RETURN

/* This group is older than old (iptables < v1.4.0-rc1~89) */
#include <linux/netfilter/xt_tcpudp.h>
#define ipt_udp xt_udp
#define ipt_tcp xt_tcp
#define IPT_TCP_INV_SRCPT	XT_TCP_INV_SRCPT
#define IPT_TCP_INV_DSTPT	XT_TCP_INV_DSTPT
#define IPT_TCP_INV_FLAGS	XT_TCP_INV_FLAGS
#define IPT_TCP_INV_OPTION	XT_TCP_INV_OPTION
#define IPT_TCP_INV_MASK	XT_TCP_INV_MASK
#define IPT_UDP_INV_SRCPT	XT_UDP_INV_SRCPT
#define IPT_UDP_INV_DSTPT	XT_UDP_INV_DSTPT
#define IPT_UDP_INV_MASK	XT_UDP_INV_MASK

/* The argument to IPT_SO_ADD_COUNTERS. */
#define ipt_counters_info xt_counters_info
/* Standard return verdict, or do jump. */
#define IPT_STANDARD_TARGET XT_STANDARD_TARGET
/* Error verdict. */
#define IPT_ERROR_TARGET XT_ERROR_TARGET

/* fn returns 0 to continue iteration */
#define IPT_MATCH_ITERATE(e, fn, args...) \
	XT_MATCH_ITERATE(struct ipt_entry, e, fn, ## args)

/* fn returns 0 to continue iteration */
#define IPT_ENTRY_ITERATE(entries, size, fn, args...) \
	XT_ENTRY_ITERATE(struct ipt_entry, entries, size, fn, ## args)
#endif

/* Yes, Virginia, you have to zero the padding. */
struct ipt_ip {
	/* Source and destination IP addr */
	struct in_addr src, dst;
	/* Mask for src and dest IP addr */
	struct in_addr smsk, dmsk;
	char iniface[IFNAMSIZ], outiface[IFNAMSIZ];
	unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ];

	/* Protocol, 0 = ANY */
	__u16 proto;

	/* Flags word */
	__u8 flags;
	/* Inverse flags */
	__u8 invflags;
};

/* Values for "flag" field in struct ipt_ip (general ip structure). */
#define IPT_F_FRAG		0x01	/* Set if rule is a fragment rule */
#define IPT_F_GOTO		0x02	/* Set if jump is a goto */
#define IPT_F_MASK		0x03	/* All possible flag bits mask. */

/* Values for "inv" field in struct ipt_ip. */
#define IPT_INV_VIA_IN		0x01	/* Invert the sense of IN IFACE. */
#define IPT_INV_VIA_OUT		0x02	/* Invert the sense of OUT IFACE */
#define IPT_INV_TOS		0x04	/* Invert the sense of TOS. */
#define IPT_INV_SRCIP		0x08	/* Invert the sense of SRC IP. */
#define IPT_INV_DSTIP		0x10	/* Invert the sense of DST OP. */
#define IPT_INV_FRAG		0x20	/* Invert the sense of FRAG. */
#define IPT_INV_PROTO		XT_INV_PROTO
#define IPT_INV_MASK		0x7F	/* All possible flag bits mask. */

/* This structure defines each of the firewall rules.  Consists of 3
   parts which are 1) general IP header stuff 2) match specific
   stuff 3) the target to perform if the rule matches */
struct ipt_entry {
	struct ipt_ip ip;

	/* Mark with fields that we care about. */
	unsigned int nfcache;

	/* Size of ipt_entry + matches */
	__u16 target_offset;
	/* Size of ipt_entry + matches + target */
	__u16 next_offset;

	/* Back pointer */
	unsigned int comefrom;

	/* Packet and byte counters. */
	struct xt_counters counters;

	/* The matches (if any), then the target. */
	unsigned char elems[0];
};

/*
 * New IP firewall options for [gs]etsockopt at the RAW IP level.
 * Unlike BSD Linux inherits IP options so you don't have to use a raw
 * socket for this. Instead we check rights in the calls.
 *
 * ATTENTION: check linux/in.h before adding new number here.
 */
#define IPT_BASE_CTL		64

#define IPT_SO_SET_REPLACE	(IPT_BASE_CTL)
#define IPT_SO_SET_ADD_COUNTERS	(IPT_BASE_CTL + 1)
#define IPT_SO_SET_MAX		IPT_SO_SET_ADD_COUNTERS

#define IPT_SO_GET_INFO			(IPT_BASE_CTL)
#define IPT_SO_GET_ENTRIES		(IPT_BASE_CTL + 1)
#define IPT_SO_GET_REVISION_MATCH	(IPT_BASE_CTL + 2)
#define IPT_SO_GET_REVISION_TARGET	(IPT_BASE_CTL + 3)
#define IPT_SO_GET_MAX			IPT_SO_GET_REVISION_TARGET

/* ICMP matching stuff */
struct ipt_icmp {
	__u8 type;				/* type to match */
	__u8 code[2];				/* range of code */
	__u8 invflags;				/* Inverse flags */
};

/* Values for "inv" field for struct ipt_icmp. */
#define IPT_ICMP_INV	0x01	/* Invert the sense of type/code test */

/* The argument to IPT_SO_GET_INFO */
struct ipt_getinfo {
	/* Which table: caller fills this in. */
	char name[XT_TABLE_MAXNAMELEN];

	/* Kernel fills these in. */
	/* Which hook entry points are valid: bitmask */
	unsigned int valid_hooks;

	/* Hook entry points: one per netfilter hook. */
	unsigned int hook_entry[NF_INET_NUMHOOKS];

	/* Underflow points. */
	unsigned int underflow[NF_INET_NUMHOOKS];

	/* Number of entries */
	unsigned int num_entries;

	/* Size of entries. */
	unsigned int size;
};

/* The argument to IPT_SO_SET_REPLACE. */
struct ipt_replace {
	/* Which table. */
	char name[XT_TABLE_MAXNAMELEN];

	/* Which hook entry points are valid: bitmask.  You can't
           change this. */
	unsigned int valid_hooks;

	/* Number of entries */
	unsigned int num_entries;

	/* Total size of new entries */
	unsigned int size;

	/* Hook entry points. */
	unsigned int hook_entry[NF_INET_NUMHOOKS];

	/* Underflow points. */
	unsigned int underflow[NF_INET_NUMHOOKS];

	/* Information about old entries: */
	/* Number of counters (must be equal to current number of entries). */
	unsigned int num_counters;
	/* The old entries' counters. */
	struct xt_counters __user *counters;

	/* The entries (hang off end: not really an array). */
	struct ipt_entry entries[0];
};

/* The argument to IPT_SO_GET_ENTRIES. */
struct ipt_get_entries {
	/* Which table: user fills this in. */
	char name[XT_TABLE_MAXNAMELEN];

	/* User fills this in: total entry size. */
	unsigned int size;

	/* The entries. */
	struct ipt_entry entrytable[0];
};

/* Helper functions */
static __inline__ struct xt_entry_target *
ipt_get_target(struct ipt_entry *e)
{
	return (void *)e + e->target_offset;
}

/*
 *	Main firewall chains definitions and global var's definitions.
 */
#ifdef __KERNEL__

#include <linux/init.h>
extern void ipt_init(void) __init;

extern struct xt_table *ipt_register_table(struct net *net,
					   const struct xt_table *table,
					   const struct ipt_replace *repl);
extern void ipt_unregister_table(struct net *net, struct xt_table *table);

/* Standard entry. */
struct ipt_standard {
	struct ipt_entry entry;
	struct xt_standard_target target;
};

struct ipt_error {
	struct ipt_entry entry;
	struct xt_error_target target;
};

#define IPT_ENTRY_INIT(__size)						       \
{									       \
	.target_offset	= sizeof(struct ipt_entry),			       \
	.next_offset	= (__size),					       \
}

#define IPT_STANDARD_INIT(__verdict)					       \
{									       \
	.entry		= IPT_ENTRY_INIT(sizeof(struct ipt_standard)),	       \
	.target		= XT_TARGET_INIT(XT_STANDARD_TARGET,		       \
					 sizeof(struct xt_standard_target)),   \
	.target.verdict	= -(__verdict) - 1,				       \
}

#define IPT_ERROR_INIT							       \
{									       \
	.entry		= IPT_ENTRY_INIT(sizeof(struct ipt_error)),	       \
	.target		= XT_TARGET_INIT(XT_ERROR_TARGET,		       \
					 sizeof(struct xt_error_target)),      \
	.target.errorname = "ERROR",					       \
}

extern void *ipt_alloc_initial_table(const struct xt_table *);
extern unsigned int ipt_do_table(struct sk_buff *skb,
				 unsigned int hook,
				 const struct net_device *in,
				 const struct net_device *out,
				 struct xt_table *table);

#ifdef CONFIG_COMPAT
#include <net/compat.h>

struct compat_ipt_entry {
	struct ipt_ip ip;
	compat_uint_t nfcache;
	__u16 target_offset;
	__u16 next_offset;
	compat_uint_t comefrom;
	struct compat_xt_counters counters;
	unsigned char elems[0];
};

/* Helper functions */
static inline struct xt_entry_target *
compat_ipt_get_target(struct compat_ipt_entry *e)
{
	return (void *)e + e->target_offset;
}

#endif /* CONFIG_COMPAT */
#endif /*__KERNEL__*/
#endif /* _IPTABLES_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* 25-Jul-1998 Major changes to allow for ip chain table
	3	*
	4	* 3-Jan-2000 Named tables to allow packet selection for different uses.
	5	*/
	6
	7	/*
	8	* Format of an IP firewall descriptor
	9	*
	10	* src, dst, src_mask, dst_mask are always stored in network byte order.
	11	* flags are stored in host byte order (of course).
	12	* Port numbers are stored in HOST byte order.
	13	*/
	14
	15	#ifndef _IPTABLES_H
	16	#define _IPTABLES_H
	17
	18	#ifdef __KERNEL__
	19	#include <linux/if.h>
1da177e4 LT	20	#include <linux/in.h>
	21	#include <linux/ip.h>
	22	#include <linux/skbuff.h>
	23	#endif
c8942f1f	24	#include <linux/types.h>
1da177e4 LT	25	#include <linux/compiler.h>
	26	#include <linux/netfilter_ipv4.h>
	27
2e4e6a17 HW	28	#include <linux/netfilter/x_tables.h>
2e4e6a17 HW	29
12b00c2c	30	#ifndef __KERNEL__
2e4e6a17	31	#define IPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN
2748e5de	32	#define IPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN
2e4e6a17 HW	33	#define ipt_match xt_match
	34	#define ipt_target xt_target
	35	#define ipt_table xt_table
	36	#define ipt_get_revision xt_get_revision
87a2e70d JE	37	#define ipt_entry_match xt_entry_match
	38	#define ipt_entry_target xt_entry_target
	39	#define ipt_standard_target xt_standard_target
75f0a0fd	40	#define ipt_error_target xt_error_target
87a2e70d	41	#define ipt_counters xt_counters
243bf6e2 JE	42	#define IPT_CONTINUE XT_CONTINUE
	43	#define IPT_RETURN XT_RETURN
	44
	45	/* This group is older than old (iptables < v1.4.0-rc1~89) */
	46	#include <linux/netfilter/xt_tcpudp.h>
	47	#define ipt_udp xt_udp
	48	#define ipt_tcp xt_tcp
	49	#define IPT_TCP_INV_SRCPT XT_TCP_INV_SRCPT
	50	#define IPT_TCP_INV_DSTPT XT_TCP_INV_DSTPT
	51	#define IPT_TCP_INV_FLAGS XT_TCP_INV_FLAGS
	52	#define IPT_TCP_INV_OPTION XT_TCP_INV_OPTION
	53	#define IPT_TCP_INV_MASK XT_TCP_INV_MASK
	54	#define IPT_UDP_INV_SRCPT XT_UDP_INV_SRCPT
	55	#define IPT_UDP_INV_DSTPT XT_UDP_INV_DSTPT
	56	#define IPT_UDP_INV_MASK XT_UDP_INV_MASK
	57
	58	/* The argument to IPT_SO_ADD_COUNTERS. */
	59	#define ipt_counters_info xt_counters_info
	60	/* Standard return verdict, or do jump. */
	61	#define IPT_STANDARD_TARGET XT_STANDARD_TARGET
	62	/* Error verdict. */
	63	#define IPT_ERROR_TARGET XT_ERROR_TARGET
	64
	65	/* fn returns 0 to continue iteration */
	66	#define IPT_MATCH_ITERATE(e, fn, args...) \
	67	XT_MATCH_ITERATE(struct ipt_entry, e, fn, ## args)
	68
	69	/* fn returns 0 to continue iteration */
	70	#define IPT_ENTRY_ITERATE(entries, size, fn, args...) \
	71	XT_ENTRY_ITERATE(struct ipt_entry, entries, size, fn, ## args)
12b00c2c	72	#endif
1da177e4 LT	73
	74	/* Yes, Virginia, you have to zero the padding. */
	75	struct ipt_ip {
	76	/* Source and destination IP addr */
	77	struct in_addr src, dst;
	78	/* Mask for src and dest IP addr */
	79	struct in_addr smsk, dmsk;
	80	char iniface[IFNAMSIZ], outiface[IFNAMSIZ];
	81	unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ];
	82
	83	/* Protocol, 0 = ANY */
7ff30c43	84	__u16 proto;
1da177e4 LT	85
1da177e4 LT	86	/* Flags word */
7ff30c43	87	__u8 flags;
1da177e4	88	/* Inverse flags */
7ff30c43	89	__u8 invflags;
1da177e4 LT	90	};
1da177e4 LT	91
1da177e4 LT	92	/* Values for "flag" field in struct ipt_ip (general ip structure). */
1da177e4 LT	93	#define IPT_F_FRAG 0x01 /* Set if rule is a fragment rule */
05465343 PM	94	#define IPT_F_GOTO 0x02 /* Set if jump is a goto */
05465343 PM	95	#define IPT_F_MASK 0x03 /* All possible flag bits mask. */
1da177e4 LT	96
	97	/* Values for "inv" field in struct ipt_ip. */
	98	#define IPT_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */
	99	#define IPT_INV_VIA_OUT 0x02 /* Invert the sense of OUT IFACE */
	100	#define IPT_INV_TOS 0x04 /* Invert the sense of TOS. */
	101	#define IPT_INV_SRCIP 0x08 /* Invert the sense of SRC IP. */
	102	#define IPT_INV_DSTIP 0x10 /* Invert the sense of DST OP. */
	103	#define IPT_INV_FRAG 0x20 /* Invert the sense of FRAG. */
2e4e6a17	104	#define IPT_INV_PROTO XT_INV_PROTO
1da177e4 LT	105	#define IPT_INV_MASK 0x7F /* All possible flag bits mask. */
	106
	107	/* This structure defines each of the firewall rules. Consists of 3
	108	parts which are 1) general IP header stuff 2) match specific
	109	stuff 3) the target to perform if the rule matches */
d94d9fee	110	struct ipt_entry {
1da177e4 LT	111	struct ipt_ip ip;
	112
	113	/* Mark with fields that we care about. */
	114	unsigned int nfcache;
	115
	116	/* Size of ipt_entry + matches */
7ff30c43	117	__u16 target_offset;
1da177e4	118	/* Size of ipt_entry + matches + target */
7ff30c43	119	__u16 next_offset;
1da177e4 LT	120
	121	/* Back pointer */
	122	unsigned int comefrom;
	123
	124	/* Packet and byte counters. */
2e4e6a17	125	struct xt_counters counters;
1da177e4 LT	126
	127	/* The matches (if any), then the target. */
	128	unsigned char elems[0];
	129	};
	130
	131	/*
	132	* New IP firewall options for [gs]etsockopt at the RAW IP level.
	133	* Unlike BSD Linux inherits IP options so you don't have to use a raw
b96e7ecb YK	134	* socket for this. Instead we check rights in the calls.
	135	*
	136	* ATTENTION: check linux/in.h before adding new number here.
	137	*/
	138	#define IPT_BASE_CTL 64
	139
	140	#define IPT_SO_SET_REPLACE (IPT_BASE_CTL)
	141	#define IPT_SO_SET_ADD_COUNTERS (IPT_BASE_CTL + 1)
	142	#define IPT_SO_SET_MAX IPT_SO_SET_ADD_COUNTERS
	143
	144	#define IPT_SO_GET_INFO (IPT_BASE_CTL)
	145	#define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1)
	146	#define IPT_SO_GET_REVISION_MATCH (IPT_BASE_CTL + 2)
	147	#define IPT_SO_GET_REVISION_TARGET (IPT_BASE_CTL + 3)
	148	#define IPT_SO_GET_MAX IPT_SO_GET_REVISION_TARGET
1da177e4	149
1da177e4	150	/* ICMP matching stuff */
d94d9fee	151	struct ipt_icmp {
7ff30c43 BH	152	__u8 type; /* type to match */
	153	__u8 code[2]; /* range of code */
	154	__u8 invflags; /* Inverse flags */
1da177e4 LT	155	};
	156
	157	/* Values for "inv" field for struct ipt_icmp. */
	158	#define IPT_ICMP_INV 0x01 /* Invert the sense of type/code test */
	159
	160	/* The argument to IPT_SO_GET_INFO */
d94d9fee	161	struct ipt_getinfo {
1da177e4	162	/* Which table: caller fills this in. */
12b00c2c	163	char name[XT_TABLE_MAXNAMELEN];
1da177e4 LT	164
	165	/* Kernel fills these in. */
	166	/* Which hook entry points are valid: bitmask */
	167	unsigned int valid_hooks;
	168
	169	/* Hook entry points: one per netfilter hook. */
6e23ae2a	170	unsigned int hook_entry[NF_INET_NUMHOOKS];
1da177e4 LT	171
1da177e4 LT	172	/* Underflow points. */
6e23ae2a	173	unsigned int underflow[NF_INET_NUMHOOKS];
1da177e4 LT	174
	175	/* Number of entries */
	176	unsigned int num_entries;
	177
	178	/* Size of entries. */
	179	unsigned int size;
	180	};
	181
	182	/* The argument to IPT_SO_SET_REPLACE. */
d94d9fee	183	struct ipt_replace {
1da177e4	184	/* Which table. */
12b00c2c	185	char name[XT_TABLE_MAXNAMELEN];
1da177e4 LT	186
	187	/* Which hook entry points are valid: bitmask. You can't
	188	change this. */
	189	unsigned int valid_hooks;
	190
	191	/* Number of entries */
	192	unsigned int num_entries;
	193
	194	/* Total size of new entries */
	195	unsigned int size;
	196
	197	/* Hook entry points. */
6e23ae2a	198	unsigned int hook_entry[NF_INET_NUMHOOKS];
1da177e4 LT	199
1da177e4 LT	200	/* Underflow points. */
6e23ae2a	201	unsigned int underflow[NF_INET_NUMHOOKS];
1da177e4 LT	202
	203	/* Information about old entries: */
	204	/* Number of counters (must be equal to current number of entries). */
	205	unsigned int num_counters;
	206	/* The old entries' counters. */
2e4e6a17	207	struct xt_counters __user *counters;
1da177e4 LT	208
	209	/* The entries (hang off end: not really an array). */
	210	struct ipt_entry entries[0];
	211	};
	212
1da177e4	213	/* The argument to IPT_SO_GET_ENTRIES. */
d94d9fee	214	struct ipt_get_entries {
1da177e4	215	/* Which table: user fills this in. */
12b00c2c	216	char name[XT_TABLE_MAXNAMELEN];
1da177e4 LT	217
	218	/* User fills this in: total entry size. */
	219	unsigned int size;
	220
	221	/* The entries. */
	222	struct ipt_entry entrytable[0];
	223	};
	224
1da177e4	225	/* Helper functions */
87a2e70d	226	static __inline__ struct xt_entry_target *
1da177e4 LT	227	ipt_get_target(struct ipt_entry *e)
	228	{
	229	return (void *)e + e->target_offset;
	230	}
	231
1da177e4 LT	232	/*
	233	* Main firewall chains definitions and global var's definitions.
	234	*/
	235	#ifdef __KERNEL__
	236
	237	#include <linux/init.h>
	238	extern void ipt_init(void) __init;
	239
44d34e72	240	extern struct xt_table ipt_register_table(struct net net,
35aad0ff	241	const struct xt_table *table,
44d34e72	242	const struct ipt_replace *repl);
f54e9367	243	extern void ipt_unregister_table(struct net net, struct xt_table table);
1da177e4	244
1da177e4	245	/* Standard entry. */
d94d9fee	246	struct ipt_standard {
1da177e4	247	struct ipt_entry entry;
87a2e70d	248	struct xt_standard_target target;
1da177e4 LT	249	};
1da177e4 LT	250
d94d9fee	251	struct ipt_error {
1da177e4	252	struct ipt_entry entry;
75f0a0fd	253	struct xt_error_target target;
1da177e4 LT	254	};
1da177e4 LT	255
3c2ad469 PM	256	#define IPT_ENTRY_INIT(__size) \
	257	{ \
	258	.target_offset = sizeof(struct ipt_entry), \
	259	.next_offset = (__size), \
	260	}
	261
	262	#define IPT_STANDARD_INIT(__verdict) \
	263	{ \
	264	.entry = IPT_ENTRY_INIT(sizeof(struct ipt_standard)), \
243bf6e2	265	.target = XT_TARGET_INIT(XT_STANDARD_TARGET, \
3c2ad469 PM	266	sizeof(struct xt_standard_target)), \
	267	.target.verdict = -(__verdict) - 1, \
	268	}
	269
	270	#define IPT_ERROR_INIT \
	271	{ \
	272	.entry = IPT_ENTRY_INIT(sizeof(struct ipt_error)), \
243bf6e2	273	.target = XT_TARGET_INIT(XT_ERROR_TARGET, \
75f0a0fd	274	sizeof(struct xt_error_target)), \
3c2ad469 PM	275	.target.errorname = "ERROR", \
	276	}
	277
e3eaa991	278	extern void ipt_alloc_initial_table(const struct xt_table );
3db05fea	279	extern unsigned int ipt_do_table(struct sk_buff *skb,
1da177e4 LT	280	unsigned int hook,
	281	const struct net_device *in,
	282	const struct net_device *out,
e60a13e0	283	struct xt_table *table);
1da177e4	284
2722971c DM	285	#ifdef CONFIG_COMPAT
	286	#include <net/compat.h>
	287
d94d9fee	288	struct compat_ipt_entry {
2722971c DM	289	struct ipt_ip ip;
2722971c DM	290	compat_uint_t nfcache;
7ff30c43 BH	291	__u16 target_offset;
7ff30c43 BH	292	__u16 next_offset;
2722971c DM	293	compat_uint_t comefrom;
	294	struct compat_xt_counters counters;
	295	unsigned char elems[0];
	296	};
	297
73cd598d	298	/* Helper functions */
87a2e70d	299	static inline struct xt_entry_target *
73cd598d PM	300	compat_ipt_get_target(struct compat_ipt_entry *e)
	301	{
	302	return (void *)e + e->target_offset;
	303	}
	304
2722971c	305	#endif /* CONFIG_COMPAT */
1da177e4 LT	306	#endif /__KERNEL__/
1da177e4 LT	307	#endif /* _IPTABLES_H */