* network byte order.
* flags are stored in host byte order (of course).
*/
-
#ifndef _ARPTABLES_H
#define _ARPTABLES_H
-#ifdef __KERNEL__
#include <linux/if.h>
#include <linux/in.h>
#include <linux/if_arp.h>
#include <linux/skbuff.h>
-#endif
-#include <linux/types.h>
-#include <linux/compiler.h>
-#include <linux/netfilter_arp.h>
-
-#include <linux/netfilter/x_tables.h>
-
-#ifndef __KERNEL__
-#define ARPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN
-#define ARPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN
-#define arpt_entry_target xt_entry_target
-#define arpt_standard_target xt_standard_target
-#define arpt_error_target xt_error_target
-#define ARPT_CONTINUE XT_CONTINUE
-#define ARPT_RETURN XT_RETURN
-#define arpt_counters_info xt_counters_info
-#define arpt_counters xt_counters
-#define ARPT_STANDARD_TARGET XT_STANDARD_TARGET
-#define ARPT_ERROR_TARGET XT_ERROR_TARGET
-#define ARPT_ENTRY_ITERATE(entries, size, fn, args...) \
- XT_ENTRY_ITERATE(struct arpt_entry, entries, size, fn, ## args)
-#endif
-
-#define ARPT_DEV_ADDR_LEN_MAX 16
-
-struct arpt_devaddr_info {
- char addr[ARPT_DEV_ADDR_LEN_MAX];
- char mask[ARPT_DEV_ADDR_LEN_MAX];
-};
-
-/* Yes, Virginia, you have to zero the padding. */
-struct arpt_arp {
- /* Source and target IP addr */
- struct in_addr src, tgt;
- /* Mask for src and target IP addr */
- struct in_addr smsk, tmsk;
-
- /* Device hw address length, src+target device addresses */
- __u8 arhln, arhln_mask;
- struct arpt_devaddr_info src_devaddr;
- struct arpt_devaddr_info tgt_devaddr;
-
- /* ARP operation code. */
- __be16 arpop, arpop_mask;
-
- /* ARP hardware address and protocol address format. */
- __be16 arhrd, arhrd_mask;
- __be16 arpro, arpro_mask;
-
- /* The protocol address length is only accepted if it is 4
- * so there is no use in offering a way to do filtering on it.
- */
-
- char iniface[IFNAMSIZ], outiface[IFNAMSIZ];
- unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ];
-
- /* Flags word */
- __u8 flags;
- /* Inverse flags */
- __u16 invflags;
-};
-
-/* Values for "flag" field in struct arpt_ip (general arp structure).
- * No flags defined yet.
- */
-#define ARPT_F_MASK 0x00 /* All possible flag bits mask. */
-
-/* Values for "inv" field in struct arpt_arp. */
-#define ARPT_INV_VIA_IN 0x0001 /* Invert the sense of IN IFACE. */
-#define ARPT_INV_VIA_OUT 0x0002 /* Invert the sense of OUT IFACE */
-#define ARPT_INV_SRCIP 0x0004 /* Invert the sense of SRC IP. */
-#define ARPT_INV_TGTIP 0x0008 /* Invert the sense of TGT IP. */
-#define ARPT_INV_SRCDEVADDR 0x0010 /* Invert the sense of SRC DEV ADDR. */
-#define ARPT_INV_TGTDEVADDR 0x0020 /* Invert the sense of TGT DEV ADDR. */
-#define ARPT_INV_ARPOP 0x0040 /* Invert the sense of ARP OP. */
-#define ARPT_INV_ARPHRD 0x0080 /* Invert the sense of ARP HRD. */
-#define ARPT_INV_ARPPRO 0x0100 /* Invert the sense of ARP PRO. */
-#define ARPT_INV_ARPHLN 0x0200 /* Invert the sense of ARP HLN. */
-#define ARPT_INV_MASK 0x03FF /* All possible flag bits mask. */
-
-/* This structure defines each of the firewall rules. Consists of 3
- parts which are 1) general ARP header stuff 2) match specific
- stuff 3) the target to perform if the rule matches */
-struct arpt_entry
-{
- struct arpt_arp arp;
-
- /* Size of arpt_entry + matches */
- __u16 target_offset;
- /* Size of arpt_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 ARPT_BASE_CTL 96
-
-#define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL)
-#define ARPT_SO_SET_ADD_COUNTERS (ARPT_BASE_CTL + 1)
-#define ARPT_SO_SET_MAX ARPT_SO_SET_ADD_COUNTERS
-
-#define ARPT_SO_GET_INFO (ARPT_BASE_CTL)
-#define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1)
-/* #define ARPT_SO_GET_REVISION_MATCH (APRT_BASE_CTL + 2) */
-#define ARPT_SO_GET_REVISION_TARGET (ARPT_BASE_CTL + 3)
-#define ARPT_SO_GET_MAX (ARPT_SO_GET_REVISION_TARGET)
-
-/* The argument to ARPT_SO_GET_INFO */
-struct arpt_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_ARP_NUMHOOKS];
-
- /* Underflow points. */
- unsigned int underflow[NF_ARP_NUMHOOKS];
-
- /* Number of entries */
- unsigned int num_entries;
-
- /* Size of entries. */
- unsigned int size;
-};
-
-/* The argument to ARPT_SO_SET_REPLACE. */
-struct arpt_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_ARP_NUMHOOKS];
-
- /* Underflow points. */
- unsigned int underflow[NF_ARP_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 arpt_entry entries[0];
-};
-
-/* The argument to ARPT_SO_GET_ENTRIES. */
-struct arpt_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 arpt_entry entrytable[0];
-};
-
-/* Helper functions */
-static __inline__ struct xt_entry_target *arpt_get_target(struct arpt_entry *e)
-{
- return (void *)e + e->target_offset;
-}
-
-/*
- * Main firewall chains definitions and global var's definitions.
- */
-#ifdef __KERNEL__
+#include <uapi/linux/netfilter_arp/arp_tables.h>
/* Standard entry. */
struct arpt_standard {
}
#endif /* CONFIG_COMPAT */
-#endif /*__KERNEL__*/
#endif /* _ARPTABLES_H */
git.samba.org / sfrench / cifs-2.6.git / blobdiff