x_tables.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/socket.h>
#include <linux/net.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/string.h>
#include <linux/vmalloc.h>
#include <linux/mutex.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/audit.h>
#include <net/net_namespace.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter_arp.h>
#include <linux/netfilter_ipv4/ip_tables.h>
#include <linux/netfilter_ipv6/ip6_tables.h>
#include <linux/netfilter_arp/arp_tables.h>

Go to the source code of this file.

Data Structures
struct	compat_delta
struct	xt_af

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	SMP_ALIGN(x)   (((x) + SMP_CACHE_BYTES-1) & ~(SMP_CACHE_BYTES-1))

Functions
	MODULE_LICENSE ("GPL")
	MODULE_AUTHOR ("Harald Welte <[email protected]>")
	MODULE_DESCRIPTION ("{ip,ip6,arp,eb}_tables backend module")
int	xt_register_target (struct xt_target *target)
	EXPORT_SYMBOL (xt_register_target)
void	xt_unregister_target (struct xt_target *target)
	EXPORT_SYMBOL (xt_unregister_target)
int	xt_register_targets (struct xt_target *target, unsigned int n)
	EXPORT_SYMBOL (xt_register_targets)
void	xt_unregister_targets (struct xt_target *target, unsigned int n)
	EXPORT_SYMBOL (xt_unregister_targets)
int	xt_register_match (struct xt_match *match)
	EXPORT_SYMBOL (xt_register_match)
void	xt_unregister_match (struct xt_match *match)
	EXPORT_SYMBOL (xt_unregister_match)
int	xt_register_matches (struct xt_match *match, unsigned int n)
	EXPORT_SYMBOL (xt_register_matches)
void	xt_unregister_matches (struct xt_match *match, unsigned int n)
	EXPORT_SYMBOL (xt_unregister_matches)
struct xt_match *	xt_find_match (u8 af, const char *name, u8 revision)
	EXPORT_SYMBOL (xt_find_match)
struct xt_match *	xt_request_find_match (uint8_t nfproto, const char *name, uint8_t revision)
	EXPORT_SYMBOL_GPL (xt_request_find_match)
struct xt_target *	xt_find_target (u8 af, const char *name, u8 revision)
	EXPORT_SYMBOL (xt_find_target)
struct xt_target *	xt_request_find_target (u8 af, const char *name, u8 revision)
	EXPORT_SYMBOL_GPL (xt_request_find_target)
int	xt_find_revision (u8 af, const char *name, u8 revision, int target, int *err)
	EXPORT_SYMBOL_GPL (xt_find_revision)
int	xt_check_match (struct xt_mtchk_param *par, unsigned int size, u_int8_t proto, bool inv_proto)
	EXPORT_SYMBOL_GPL (xt_check_match)
int	xt_check_target (struct xt_tgchk_param *par, unsigned int size, u_int8_t proto, bool inv_proto)
	EXPORT_SYMBOL_GPL (xt_check_target)
struct xt_table_info *	xt_alloc_table_info (unsigned int size)
	EXPORT_SYMBOL (xt_alloc_table_info)
void	xt_free_table_info (struct xt_table_info *info)
	EXPORT_SYMBOL (xt_free_table_info)
struct xt_table *	xt_find_table_lock (struct net *net, u_int8_t af, const char *name)
	EXPORT_SYMBOL_GPL (xt_find_table_lock)
void	xt_table_unlock (struct xt_table *table)
	EXPORT_SYMBOL_GPL (xt_table_unlock)
	DEFINE_PER_CPU (seqcount_t, xt_recseq)
	EXPORT_PER_CPU_SYMBOL_GPL (xt_recseq)
struct xt_table_info *	xt_replace_table (struct xt_table *table, unsigned int num_counters, struct xt_table_info *newinfo, int *error)
	EXPORT_SYMBOL_GPL (xt_replace_table)
struct xt_table *	xt_register_table (struct net *net, const struct xt_table *input_table, struct xt_table_info *bootstrap, struct xt_table_info *newinfo)
	EXPORT_SYMBOL_GPL (xt_register_table)
void *	xt_unregister_table (struct xt_table *table)
	EXPORT_SYMBOL_GPL (xt_unregister_table)
struct nf_hook_ops *	xt_hook_link (const struct xt_table *table, nf_hookfn *fn)
	EXPORT_SYMBOL_GPL (xt_hook_link)
void	xt_hook_unlink (const struct xt_table *table, struct nf_hook_ops *ops)
	EXPORT_SYMBOL_GPL (xt_hook_unlink)
int	xt_proto_init (struct net *net, u_int8_t af)
	EXPORT_SYMBOL_GPL (xt_proto_init)
void	xt_proto_fini (struct net *net, u_int8_t af)
	EXPORT_SYMBOL_GPL (xt_proto_fini)
	module_init (xt_init)
	module_exit (xt_fini)

Macro Definition Documentation

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 15 of file x_tables.c.

#define SMP_ALIGN

(

x

)

(((x) + SMP_CACHE_BYTES-1) & ~(SMP_CACHE_BYTES-1))

Definition at line 40 of file x_tables.c.

Function Documentation

DEFINE_PER_CPU	(	seqcount_t	,
		xt_recseq
	)

EXPORT_PER_CPU_SYMBOL_GPL

(

xt_recseq

)

EXPORT_SYMBOL

(

xt_register_target

)

EXPORT_SYMBOL

(

xt_unregister_target

)

EXPORT_SYMBOL

(

xt_register_targets

)

EXPORT_SYMBOL

(

xt_unregister_targets

)

EXPORT_SYMBOL

(

xt_register_match

)

EXPORT_SYMBOL

(

xt_unregister_match

)

EXPORT_SYMBOL

(

xt_register_matches

)

EXPORT_SYMBOL

(

xt_unregister_matches

)

EXPORT_SYMBOL

(

xt_find_match

)

EXPORT_SYMBOL

(

xt_find_target

)

EXPORT_SYMBOL

(

xt_alloc_table_info

)

EXPORT_SYMBOL

(

xt_free_table_info

)

EXPORT_SYMBOL_GPL

(

xt_request_find_match

)

EXPORT_SYMBOL_GPL

(

xt_request_find_target

)

EXPORT_SYMBOL_GPL

(

xt_find_revision

)

EXPORT_SYMBOL_GPL

(

xt_check_match

)

EXPORT_SYMBOL_GPL

(

xt_check_target

)

EXPORT_SYMBOL_GPL

(

xt_find_table_lock

)

EXPORT_SYMBOL_GPL

(

xt_table_unlock

)

EXPORT_SYMBOL_GPL

(

xt_replace_table

)

EXPORT_SYMBOL_GPL

(

xt_register_table

)

EXPORT_SYMBOL_GPL

(

xt_unregister_table

)

EXPORT_SYMBOL_GPL

(

xt_hook_link

)

EXPORT_SYMBOL_GPL

(

xt_hook_unlink

)

EXPORT_SYMBOL_GPL

(

xt_proto_init

)

EXPORT_SYMBOL_GPL

(

xt_proto_fini

)

MODULE_AUTHOR

(

"Harald Welte <[email protected]>"

)

MODULE_DESCRIPTION

(

"{ip,ip6,arp,eb}_tables backend module"

)

module_exit

(

xt_fini

)

module_init

(

xt_init

)

MODULE_LICENSE

(

"GPL"

)

struct xt_table_info* xt_alloc_table_info ( unsigned int  size )

read

Definition at line 663 of file x_tables.c.

int xt_check_match	(	struct xt_mtchk_param *	par,
		unsigned int	size,
		u_int8_t	proto,
		bool	inv_proto
	)

Definition at line 374 of file x_tables.c.

int xt_check_target	(	struct xt_tgchk_param *	par,
		unsigned int	size,
		u_int8_t	proto,
		bool	inv_proto
	)

Definition at line 552 of file x_tables.c.

struct xt_match* xt_find_match ( u8  af, const char *  name, u8  revision  )

read

Definition at line 191 of file x_tables.c.

int xt_find_revision	(	u8	af,
		const char *	name,
		u8	revision,
		int	target,
		int *	err
	)

Definition at line 320 of file x_tables.c.

struct xt_table* xt_find_table_lock ( struct net *  net, u_int8_t  af, const char *  name  )

read

Definition at line 730 of file x_tables.c.

struct xt_target* xt_find_target ( u8  af, const char *  name, u8  revision  )

read

Definition at line 236 of file x_tables.c.

void xt_free_table_info

(

struct xt_table_info *

info

)

Definition at line 697 of file x_tables.c.

struct nf_hook_ops* xt_hook_link ( const struct xt_table *  table, nf_hookfn *  fn  )

read

Definition at line 1228 of file x_tables.c.

void xt_hook_unlink	(	const struct xt_table *	table,
		struct nf_hook_ops *	ops
	)

xt_hook_unlink - remove hooks for a table : nf_hook_ops array as returned by nf_hook_link : the very same mask that was passed to nf_hook_link

Definition at line 1267 of file x_tables.c.

void xt_proto_fini	(	struct net *	net,
		u_int8_t	af
	)

Definition at line 1326 of file x_tables.c.

int xt_proto_init	(	struct net *	net,
		u_int8_t	af
	)

Definition at line 1274 of file x_tables.c.

int xt_register_match

(

struct xt_match *

match

)

Definition at line 128 of file x_tables.c.

int xt_register_matches	(	struct xt_match *	match,
		unsigned int	n
	)

Definition at line 156 of file x_tables.c.

struct xt_table* xt_register_table ( struct net *  net, const struct xt_table *  input_table, struct xt_table_info *  bootstrap, struct xt_table_info *  newinfo  )

read

Definition at line 865 of file x_tables.c.

int xt_register_target

(

struct xt_target *

target

)

Definition at line 74 of file x_tables.c.

int xt_register_targets	(	struct xt_target *	target,
		unsigned int	n
	)

Definition at line 100 of file x_tables.c.

struct xt_table_info* xt_replace_table ( struct xt_table *  table, unsigned int  num_counters, struct xt_table_info *  newinfo, int *  error  )

read

Definition at line 808 of file x_tables.c.

struct xt_match* xt_request_find_match ( uint8_t  nfproto, const char *  name, uint8_t  revision  )

read

Definition at line 221 of file x_tables.c.

struct xt_target* xt_request_find_target ( u8  af, const char *  name, u8  revision  )

read

Definition at line 265 of file x_tables.c.

void xt_table_unlock

(

struct xt_table *

table

)

Definition at line 746 of file x_tables.c.

void xt_unregister_match

(

struct xt_match *

match

)

Definition at line 145 of file x_tables.c.

void xt_unregister_matches	(	struct xt_match *	match,
		unsigned int	n
	)

Definition at line 176 of file x_tables.c.

void* xt_unregister_table

(

struct xt_table *

table

)

Definition at line 918 of file x_tables.c.

void xt_unregister_target

(

struct xt_target *

target

)

Definition at line 89 of file x_tables.c.

void xt_unregister_targets	(	struct xt_target *	target,
		unsigned int	n
	)

Definition at line 120 of file x_tables.c.