UAPI: (Scripted) Disintegrate include/linux/netfilter

Signed-off-by: NDavid Howells <dhowells@redhat.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Acked-by: NThomas Gleixner <tglx@linutronix.de>
Acked-by: NMichael Kerrisk <mtk.manpages@gmail.com>
Acked-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: NDave Jones <davej@redhat.com>

include/linux/netfilter/Kbuild

 header-y += ipset/
-
-header-y += nf_conntrack_common.h
-header-y += nf_conntrack_ftp.h
-header-y += nf_conntrack_sctp.h
-header-y += nf_conntrack_tcp.h
-header-y += nf_conntrack_tuple_common.h
-header-y += nf_nat.h
-header-y += nfnetlink.h
-header-y += nfnetlink_acct.h
-header-y += nfnetlink_compat.h
-header-y += nfnetlink_conntrack.h
-header-y += nfnetlink_cthelper.h
-header-y += nfnetlink_cttimeout.h
-header-y += nfnetlink_log.h
-header-y += nfnetlink_queue.h
-header-y += x_tables.h
-header-y += xt_AUDIT.h
-header-y += xt_CHECKSUM.h
-header-y += xt_CLASSIFY.h
-header-y += xt_CONNMARK.h
-header-y += xt_CONNSECMARK.h
-header-y += xt_CT.h
-header-y += xt_DSCP.h
-header-y += xt_IDLETIMER.h
-header-y += xt_LED.h
-header-y += xt_LOG.h
-header-y += xt_MARK.h
-header-y += xt_nfacct.h
-header-y += xt_NFLOG.h
-header-y += xt_NFQUEUE.h
-header-y += xt_RATEEST.h
-header-y += xt_SECMARK.h
-header-y += xt_TCPMSS.h
-header-y += xt_TCPOPTSTRIP.h
-header-y += xt_TEE.h
-header-y += xt_TPROXY.h
-header-y += xt_addrtype.h
-header-y += xt_cluster.h
-header-y += xt_comment.h
-header-y += xt_connbytes.h
-header-y += xt_connlimit.h
-header-y += xt_connmark.h
-header-y += xt_conntrack.h
-header-y += xt_cpu.h
-header-y += xt_dccp.h
-header-y += xt_devgroup.h
-header-y += xt_dscp.h
-header-y += xt_ecn.h
-header-y += xt_esp.h
-header-y += xt_hashlimit.h
-header-y += xt_helper.h
-header-y += xt_iprange.h
-header-y += xt_ipvs.h
-header-y += xt_length.h
-header-y += xt_limit.h
-header-y += xt_mac.h
-header-y += xt_mark.h
-header-y += xt_multiport.h
-header-y += xt_osf.h
-header-y += xt_owner.h
-header-y += xt_physdev.h
-header-y += xt_pkttype.h
-header-y += xt_policy.h
-header-y += xt_quota.h
-header-y += xt_rateest.h
-header-y += xt_realm.h
-header-y += xt_recent.h
-header-y += xt_set.h
-header-y += xt_sctp.h
-header-y += xt_socket.h
-header-y += xt_state.h
-header-y += xt_statistic.h
-header-y += xt_string.h
-header-y += xt_tcpmss.h
-header-y += xt_tcpudp.h
-header-y += xt_time.h
-header-y += xt_u32.h

include/linux/netfilter/nf_conntrack_common.h

 #ifndef _NF_CONNTRACK_COMMON_H
 #define _NF_CONNTRACK_COMMON_H
-/* Connection state tracking for netfilter.  This is separated from,
-   but required by, the NAT layer; it can also be used by an iptables
-   extension. */
-enum ip_conntrack_info {
-	/* Part of an established connection (either direction). */
-	IP_CT_ESTABLISHED,
 
-	/* Like NEW, but related to an existing connection, or ICMP error
-	   (in either direction). */
-	IP_CT_RELATED,
+#include <uapi/linux/netfilter/nf_conntrack_common.h>
 
-	/* Started a new connection to track (only
-           IP_CT_DIR_ORIGINAL); may be a retransmission. */
-	IP_CT_NEW,
-
-	/* >= this indicates reply direction */
-	IP_CT_IS_REPLY,
-
-	IP_CT_ESTABLISHED_REPLY = IP_CT_ESTABLISHED + IP_CT_IS_REPLY,
-	IP_CT_RELATED_REPLY = IP_CT_RELATED + IP_CT_IS_REPLY,
-	IP_CT_NEW_REPLY = IP_CT_NEW + IP_CT_IS_REPLY,	
-	/* Number of distinct IP_CT types (no NEW in reply dirn). */
-	IP_CT_NUMBER = IP_CT_IS_REPLY * 2 - 1
-};
-
-/* Bitset representing status of connection. */
-enum ip_conntrack_status {
-	/* It's an expected connection: bit 0 set.  This bit never changed */
-	IPS_EXPECTED_BIT = 0,
-	IPS_EXPECTED = (1 << IPS_EXPECTED_BIT),
-
-	/* We've seen packets both ways: bit 1 set.  Can be set, not unset. */
-	IPS_SEEN_REPLY_BIT = 1,
-	IPS_SEEN_REPLY = (1 << IPS_SEEN_REPLY_BIT),
-
-	/* Conntrack should never be early-expired. */
-	IPS_ASSURED_BIT = 2,
-	IPS_ASSURED = (1 << IPS_ASSURED_BIT),
-
-	/* Connection is confirmed: originating packet has left box */
-	IPS_CONFIRMED_BIT = 3,
-	IPS_CONFIRMED = (1 << IPS_CONFIRMED_BIT),
-
-	/* Connection needs src nat in orig dir.  This bit never changed. */
-	IPS_SRC_NAT_BIT = 4,
-	IPS_SRC_NAT = (1 << IPS_SRC_NAT_BIT),
-
-	/* Connection needs dst nat in orig dir.  This bit never changed. */
-	IPS_DST_NAT_BIT = 5,
-	IPS_DST_NAT = (1 << IPS_DST_NAT_BIT),
-
-	/* Both together. */
-	IPS_NAT_MASK = (IPS_DST_NAT | IPS_SRC_NAT),
-
-	/* Connection needs TCP sequence adjusted. */
-	IPS_SEQ_ADJUST_BIT = 6,
-	IPS_SEQ_ADJUST = (1 << IPS_SEQ_ADJUST_BIT),
-
-	/* NAT initialization bits. */
-	IPS_SRC_NAT_DONE_BIT = 7,
-	IPS_SRC_NAT_DONE = (1 << IPS_SRC_NAT_DONE_BIT),
-
-	IPS_DST_NAT_DONE_BIT = 8,
-	IPS_DST_NAT_DONE = (1 << IPS_DST_NAT_DONE_BIT),
-
-	/* Both together */
-	IPS_NAT_DONE_MASK = (IPS_DST_NAT_DONE | IPS_SRC_NAT_DONE),
-
-	/* Connection is dying (removed from lists), can not be unset. */
-	IPS_DYING_BIT = 9,
-	IPS_DYING = (1 << IPS_DYING_BIT),
-
-	/* Connection has fixed timeout. */
-	IPS_FIXED_TIMEOUT_BIT = 10,
-	IPS_FIXED_TIMEOUT = (1 << IPS_FIXED_TIMEOUT_BIT),
-
-	/* Conntrack is a template */
-	IPS_TEMPLATE_BIT = 11,
-	IPS_TEMPLATE = (1 << IPS_TEMPLATE_BIT),
-
-	/* Conntrack is a fake untracked entry */
-	IPS_UNTRACKED_BIT = 12,
-	IPS_UNTRACKED = (1 << IPS_UNTRACKED_BIT),
-
-	/* Conntrack got a helper explicitly attached via CT target. */
-	IPS_HELPER_BIT = 13,
-	IPS_HELPER = (1 << IPS_HELPER_BIT),
-};
-
-/* Connection tracking event types */
-enum ip_conntrack_events {
-	IPCT_NEW,		/* new conntrack */
-	IPCT_RELATED,		/* related conntrack */
-	IPCT_DESTROY,		/* destroyed conntrack */
-	IPCT_REPLY,		/* connection has seen two-way traffic */
-	IPCT_ASSURED,		/* connection status has changed to assured */
-	IPCT_PROTOINFO,		/* protocol information has changed */
-	IPCT_HELPER,		/* new helper has been set */
-	IPCT_MARK,		/* new mark has been set */
-	IPCT_NATSEQADJ,		/* NAT is doing sequence adjustment */
-	IPCT_SECMARK,		/* new security mark has been set */
-};
-
-enum ip_conntrack_expect_events {
-	IPEXP_NEW,		/* new expectation */
-	IPEXP_DESTROY,		/* destroyed expectation */
-};
-
-/* expectation flags */
-#define NF_CT_EXPECT_PERMANENT		0x1
-#define NF_CT_EXPECT_INACTIVE		0x2
-#define NF_CT_EXPECT_USERSPACE		0x4
-
-#ifdef __KERNEL__
 struct ip_conntrack_stat {
 	unsigned int searched;
 	unsigned int found;
@@ -136,6 +25,4 @@ struct ip_conntrack_stat {
 /* call to create an explicit dependency on nf_conntrack. */
 extern void need_conntrack(void);
 
-#endif /* __KERNEL__ */
-
 #endif /* _NF_CONNTRACK_COMMON_H */

include/linux/netfilter/nf_conntrack_ftp.h

 #ifndef _NF_CONNTRACK_FTP_H
 #define _NF_CONNTRACK_FTP_H
-/* FTP tracking. */
 
-/* This enum is exposed to userspace */
-enum nf_ct_ftp_type {
-	/* PORT command from client */
-	NF_CT_FTP_PORT,
-	/* PASV response from server */
-	NF_CT_FTP_PASV,
-	/* EPRT command from client */
-	NF_CT_FTP_EPRT,
-	/* EPSV response from server */
-	NF_CT_FTP_EPSV,
-};
+#include <uapi/linux/netfilter/nf_conntrack_ftp.h>
 
-#ifdef __KERNEL__
 
 #define FTP_PORT	21
 
@@ -42,6 +30,4 @@ extern unsigned int (*nf_nat_ftp_hook)(struct sk_buff *skb,
 				       unsigned int matchoff,
 				       unsigned int matchlen,
 				       struct nf_conntrack_expect *exp);
-#endif /* __KERNEL__ */
-
 #endif /* _NF_CONNTRACK_FTP_H */

include/linux/netfilter/nf_conntrack_tcp.h

 #ifndef _NF_CONNTRACK_TCP_H
 #define _NF_CONNTRACK_TCP_H
-/* TCP tracking. */
 
-#include <linux/types.h>
+#include <uapi/linux/netfilter/nf_conntrack_tcp.h>
 
-/* This is exposed to userspace (ctnetlink) */
-enum tcp_conntrack {
-	TCP_CONNTRACK_NONE,
-	TCP_CONNTRACK_SYN_SENT,
-	TCP_CONNTRACK_SYN_RECV,
-	TCP_CONNTRACK_ESTABLISHED,
-	TCP_CONNTRACK_FIN_WAIT,
-	TCP_CONNTRACK_CLOSE_WAIT,
-	TCP_CONNTRACK_LAST_ACK,
-	TCP_CONNTRACK_TIME_WAIT,
-	TCP_CONNTRACK_CLOSE,
-	TCP_CONNTRACK_LISTEN,	/* obsolete */
-#define TCP_CONNTRACK_SYN_SENT2	TCP_CONNTRACK_LISTEN
-	TCP_CONNTRACK_MAX,
-	TCP_CONNTRACK_IGNORE,
-	TCP_CONNTRACK_RETRANS,
-	TCP_CONNTRACK_UNACK,
-	TCP_CONNTRACK_TIMEOUT_MAX
-};
-
-/* Window scaling is advertised by the sender */
-#define IP_CT_TCP_FLAG_WINDOW_SCALE		0x01
-
-/* SACK is permitted by the sender */
-#define IP_CT_TCP_FLAG_SACK_PERM		0x02
-
-/* This sender sent FIN first */
-#define IP_CT_TCP_FLAG_CLOSE_INIT		0x04
-
-/* Be liberal in window checking */
-#define IP_CT_TCP_FLAG_BE_LIBERAL		0x08
-
-/* Has unacknowledged data */
-#define IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED	0x10
-
-/* The field td_maxack has been set */
-#define IP_CT_TCP_FLAG_MAXACK_SET		0x20
-
-struct nf_ct_tcp_flags {
-	__u8 flags;
-	__u8 mask;
-};
-
-#ifdef __KERNEL__
 
 struct ip_ct_tcp_state {
 	u_int32_t	td_end;		/* max of seq + len */
@@ -74,6 +29,4 @@ struct ip_ct_tcp {
 	u_int8_t	last_flags;	/* Last flags set */
 };
 
-#endif /* __KERNEL__ */
-
 #endif /* _NF_CONNTRACK_TCP_H */

include/linux/netfilter/nfnetlink.h

 #ifndef _NFNETLINK_H
 #define _NFNETLINK_H
-#include <linux/types.h>
-#include <linux/netfilter/nfnetlink_compat.h>
 
-enum nfnetlink_groups {
-	NFNLGRP_NONE,
-#define NFNLGRP_NONE			NFNLGRP_NONE
-	NFNLGRP_CONNTRACK_NEW,
-#define NFNLGRP_CONNTRACK_NEW		NFNLGRP_CONNTRACK_NEW
-	NFNLGRP_CONNTRACK_UPDATE,
-#define NFNLGRP_CONNTRACK_UPDATE	NFNLGRP_CONNTRACK_UPDATE
-	NFNLGRP_CONNTRACK_DESTROY,
-#define NFNLGRP_CONNTRACK_DESTROY	NFNLGRP_CONNTRACK_DESTROY
-	NFNLGRP_CONNTRACK_EXP_NEW,
-#define	NFNLGRP_CONNTRACK_EXP_NEW	NFNLGRP_CONNTRACK_EXP_NEW
-	NFNLGRP_CONNTRACK_EXP_UPDATE,
-#define NFNLGRP_CONNTRACK_EXP_UPDATE	NFNLGRP_CONNTRACK_EXP_UPDATE
-	NFNLGRP_CONNTRACK_EXP_DESTROY,
-#define NFNLGRP_CONNTRACK_EXP_DESTROY	NFNLGRP_CONNTRACK_EXP_DESTROY
-	__NFNLGRP_MAX,
-};
-#define NFNLGRP_MAX	(__NFNLGRP_MAX - 1)
-
-/* General form of address family dependent message.
- */
-struct nfgenmsg {
-	__u8  nfgen_family;		/* AF_xxx */
-	__u8  version;		/* nfnetlink version */
-	__be16    res_id;		/* resource id */
-};
-
-#define NFNETLINK_V0	0
-
-/* netfilter netlink message types are split in two pieces:
- * 8 bit subsystem, 8bit operation.
- */
-
-#define NFNL_SUBSYS_ID(x)	((x & 0xff00) >> 8)
-#define NFNL_MSG_TYPE(x)	(x & 0x00ff)
-
-/* No enum here, otherwise __stringify() trick of MODULE_ALIAS_NFNL_SUBSYS()
- * won't work anymore */
-#define NFNL_SUBSYS_NONE 		0
-#define NFNL_SUBSYS_CTNETLINK		1
-#define NFNL_SUBSYS_CTNETLINK_EXP	2
-#define NFNL_SUBSYS_QUEUE		3
-#define NFNL_SUBSYS_ULOG		4
-#define NFNL_SUBSYS_OSF			5
-#define NFNL_SUBSYS_IPSET		6
-#define NFNL_SUBSYS_ACCT		7
-#define NFNL_SUBSYS_CTNETLINK_TIMEOUT	8
-#define NFNL_SUBSYS_CTHELPER		9
-#define NFNL_SUBSYS_COUNT		10
-
-#ifdef __KERNEL__
 
 #include <linux/netlink.h>
 #include <linux/capability.h>
 #include <net/netlink.h>
+#include <uapi/linux/netfilter/nfnetlink.h>
 
 struct nfnl_callback {
 	int (*call)(struct sock *nl, struct sk_buff *skb, 
@@ -92,5 +40,4 @@ extern void nfnl_unlock(void);
 #define MODULE_ALIAS_NFNL_SUBSYS(subsys) \
 	MODULE_ALIAS("nfnetlink-subsys-" __stringify(subsys))
 
-#endif	/* __KERNEL__ */
 #endif	/* _NFNETLINK_H */

include/linux/netfilter/nfnetlink_acct.h

 #ifndef _NFNL_ACCT_H_
 #define _NFNL_ACCT_H_
 
-#ifndef NFACCT_NAME_MAX
-#define NFACCT_NAME_MAX		32
-#endif
+#include <uapi/linux/netfilter/nfnetlink_acct.h>
 
-enum nfnl_acct_msg_types {
-	NFNL_MSG_ACCT_NEW,
-	NFNL_MSG_ACCT_GET,
-	NFNL_MSG_ACCT_GET_CTRZERO,
-	NFNL_MSG_ACCT_DEL,
-	NFNL_MSG_ACCT_MAX
-};
-
-enum nfnl_acct_type {
-	NFACCT_UNSPEC,
-	NFACCT_NAME,
-	NFACCT_PKTS,
-	NFACCT_BYTES,
-	NFACCT_USE,
-	__NFACCT_MAX
-};
-#define NFACCT_MAX (__NFACCT_MAX - 1)
-
-#ifdef __KERNEL__
 
 struct nf_acct;
 
@@ -31,6 +10,4 @@ extern struct nf_acct *nfnl_acct_find_get(const char *filter_name);
 extern void nfnl_acct_put(struct nf_acct *acct);
 extern void nfnl_acct_update(const struct sk_buff *skb, struct nf_acct *nfacct);
 
-#endif /* __KERNEL__ */
-
 #endif /* _NFNL_ACCT_H */

include/linux/netfilter/x_tables.h

 #ifndef _X_TABLES_H
 #define _X_TABLES_H
-#include <linux/kernel.h>
-#include <linux/types.h>
 
-#define XT_FUNCTION_MAXNAMELEN 30
-#define XT_EXTENSION_MAXNAMELEN 29
-#define XT_TABLE_MAXNAMELEN 32
-
-struct xt_entry_match {
-	union {
-		struct {
-			__u16 match_size;
-
-			/* Used by userspace */
-			char name[XT_EXTENSION_MAXNAMELEN];
-			__u8 revision;
-		} user;
-		struct {
-			__u16 match_size;
-
-			/* Used inside the kernel */
-			struct xt_match *match;
-		} kernel;
-
-		/* Total length */
-		__u16 match_size;
-	} u;
-
-	unsigned char data[0];
-};
-
-struct xt_entry_target {
-	union {
-		struct {
-			__u16 target_size;
-
-			/* Used by userspace */
-			char name[XT_EXTENSION_MAXNAMELEN];
-			__u8 revision;
-		} user;
-		struct {
-			__u16 target_size;
-
-			/* Used inside the kernel */
-			struct xt_target *target;
-		} kernel;
-
-		/* Total length */
-		__u16 target_size;
-	} u;
-
-	unsigned char data[0];
-};
-
-#define XT_TARGET_INIT(__name, __size)					       \
-{									       \
-	.target.u.user = {						       \
-		.target_size	= XT_ALIGN(__size),			       \
-		.name		= __name,				       \
-	},								       \
-}
-
-struct xt_standard_target {
-	struct xt_entry_target target;
-	int verdict;
-};
-
-struct xt_error_target {
-	struct xt_entry_target target;
-	char errorname[XT_FUNCTION_MAXNAMELEN];
-};
-
-/* The argument to IPT_SO_GET_REVISION_*.  Returns highest revision
- * kernel supports, if >= revision. */
-struct xt_get_revision {
-	char name[XT_EXTENSION_MAXNAMELEN];
-	__u8 revision;
-};
-
-/* CONTINUE verdict for targets */
-#define XT_CONTINUE 0xFFFFFFFF
-
-/* For standard target */
-#define XT_RETURN (-NF_REPEAT - 1)
-
-/* this is a dummy structure to find out the alignment requirement for a struct
- * containing all the fundamental data types that are used in ipt_entry,
- * ip6t_entry and arpt_entry.  This sucks, and it is a hack.  It will be my
- * personal pleasure to remove it -HW
- */
-struct _xt_align {
-	__u8 u8;
-	__u16 u16;
-	__u32 u32;
-	__u64 u64;
-};
-
-#define XT_ALIGN(s) __ALIGN_KERNEL((s), __alignof__(struct _xt_align))
-
-/* Standard return verdict, or do jump. */
-#define XT_STANDARD_TARGET ""
-/* Error verdict. */
-#define XT_ERROR_TARGET "ERROR"
-
-#define SET_COUNTER(c,b,p) do { (c).bcnt = (b); (c).pcnt = (p); } while(0)
-#define ADD_COUNTER(c,b,p) do { (c).bcnt += (b); (c).pcnt += (p); } while(0)
-
-struct xt_counters {
-	__u64 pcnt, bcnt;			/* Packet and byte counters */
-};
-
-/* The argument to IPT_SO_ADD_COUNTERS. */
-struct xt_counters_info {
-	/* Which table. */
-	char name[XT_TABLE_MAXNAMELEN];
-
-	unsigned int num_counters;
-
-	/* The counters (actually `number' of these). */
-	struct xt_counters counters[0];
-};
-
-#define XT_INV_PROTO		0x40	/* Invert the sense of PROTO. */
-
-#ifndef __KERNEL__
-/* fn returns 0 to continue iteration */
-#define XT_MATCH_ITERATE(type, e, fn, args...)			\
-({								\
-	unsigned int __i;					\
-	int __ret = 0;						\
-	struct xt_entry_match *__m;				\
-								\
-	for (__i = sizeof(type);				\
-	     __i < (e)->target_offset;				\
-	     __i += __m->u.match_size) {			\
-		__m = (void *)e + __i;				\
-								\
-		__ret = fn(__m , ## args);			\
-		if (__ret != 0)					\
-			break;					\
-	}							\
-	__ret;							\
-})
-
-/* fn returns 0 to continue iteration */
-#define XT_ENTRY_ITERATE_CONTINUE(type, entries, size, n, fn, args...) \
-({								\
-	unsigned int __i, __n;					\
-	int __ret = 0;						\
-	type *__entry;						\
-								\
-	for (__i = 0, __n = 0; __i < (size);			\
-	     __i += __entry->next_offset, __n++) { 		\
-		__entry = (void *)(entries) + __i;		\
-		if (__n < n)					\
-			continue;				\
-								\
-		__ret = fn(__entry , ## args);			\
-		if (__ret != 0)					\
-			break;					\
-	}							\
-	__ret;							\
-})
-
-/* fn returns 0 to continue iteration */
-#define XT_ENTRY_ITERATE(type, entries, size, fn, args...) \
-	XT_ENTRY_ITERATE_CONTINUE(type, entries, size, 0, fn, args)
-
-#endif /* !__KERNEL__ */
-
-/* pos is normally a struct ipt_entry/ip6t_entry/etc. */
-#define xt_entry_foreach(pos, ehead, esize) \
-	for ((pos) = (typeof(pos))(ehead); \
-	     (pos) < (typeof(pos))((char *)(ehead) + (esize)); \
-	     (pos) = (typeof(pos))((char *)(pos) + (pos)->next_offset))
-
-/* can only be xt_entry_match, so no use of typeof here */
-#define xt_ematch_foreach(pos, entry) \
-	for ((pos) = (struct xt_entry_match *)entry->elems; \
-	     (pos) < (struct xt_entry_match *)((char *)(entry) + \
-	             (entry)->target_offset); \
-	     (pos) = (struct xt_entry_match *)((char *)(pos) + \
-	             (pos)->u.match_size))
-
-#ifdef __KERNEL__
 
 #include <linux/netdevice.h>
+#include <uapi/linux/netfilter/x_tables.h>
 
 /**
  * struct xt_action_param - parameters for matches/targets
@@ -617,6 +435,4 @@ extern int xt_compat_target_to_user(const struct xt_entry_target *t,
 				    void __user **dstptr, unsigned int *size);
 
 #endif /* CONFIG_COMPAT */
-#endif /* __KERNEL__ */
-
 #endif /* _X_TABLES_H */

include/linux/netfilter/xt_hashlimit.h

 #ifndef _XT_HASHLIMIT_H
 #define _XT_HASHLIMIT_H
 
-#include <linux/types.h>
+#include <uapi/linux/netfilter/xt_hashlimit.h>
 
-/* timings are in milliseconds. */
-#define XT_HASHLIMIT_SCALE 10000
-/* 1/10,000 sec period => max of 10,000/sec.  Min rate is then 429490
- * seconds, or one packet every 59 hours.
- */
-
-/* packet length accounting is done in 16-byte steps */
-#define XT_HASHLIMIT_BYTE_SHIFT 4
-
-/* details of this structure hidden by the implementation */
-struct xt_hashlimit_htable;
-
-enum {
-	XT_HASHLIMIT_HASH_DIP = 1 << 0,
-	XT_HASHLIMIT_HASH_DPT = 1 << 1,
-	XT_HASHLIMIT_HASH_SIP = 1 << 2,
-	XT_HASHLIMIT_HASH_SPT = 1 << 3,
-	XT_HASHLIMIT_INVERT   = 1 << 4,
-	XT_HASHLIMIT_BYTES    = 1 << 5,
-};
-#ifdef __KERNEL__
 #define XT_HASHLIMIT_ALL (XT_HASHLIMIT_HASH_DIP | XT_HASHLIMIT_HASH_DPT | \
 			  XT_HASHLIMIT_HASH_SIP | XT_HASHLIMIT_HASH_SPT | \
 			  XT_HASHLIMIT_INVERT | XT_HASHLIMIT_BYTES)
-#endif
-
-struct hashlimit_cfg {
-	__u32 mode;	  /* bitmask of XT_HASHLIMIT_HASH_* */
-	__u32 avg;    /* Average secs between packets * scale */
-	__u32 burst;  /* Period multiplier for upper limit. */
-
-	/* user specified */
-	__u32 size;		/* how many buckets */
-	__u32 max;		/* max number of entries */
-	__u32 gc_interval;	/* gc interval */
-	__u32 expire;	/* when do entries expire? */
-};
-
-struct xt_hashlimit_info {
-	char name [IFNAMSIZ];		/* name */
-	struct hashlimit_cfg cfg;
-
-	/* Used internally by the kernel */
-	struct xt_hashlimit_htable *hinfo;
-	union {
-		void *ptr;
-		struct xt_hashlimit_info *master;
-	} u;
-};
-
-struct hashlimit_cfg1 {
-	__u32 mode;	  /* bitmask of XT_HASHLIMIT_HASH_* */
-	__u32 avg;    /* Average secs between packets * scale */
-	__u32 burst;  /* Period multiplier for upper limit. */
-
-	/* user specified */
-	__u32 size;		/* how many buckets */
-	__u32 max;		/* max number of entries */
-	__u32 gc_interval;	/* gc interval */
-	__u32 expire;	/* when do entries expire? */
-
-	__u8 srcmask, dstmask;
-};
-
-struct xt_hashlimit_mtinfo1 {
-	char name[IFNAMSIZ];
-	struct hashlimit_cfg1 cfg;
-
-	/* Used internally by the kernel */
-	struct xt_hashlimit_htable *hinfo __attribute__((aligned(8)));
-};
-
 #endif /*_XT_HASHLIMIT_H*/

include/linux/netfilter/xt_physdev.h

 #ifndef _XT_PHYSDEV_H
 #define _XT_PHYSDEV_H
 
-#include <linux/types.h>
-
-#ifdef __KERNEL__
 #include <linux/if.h>
-#endif
-
-#define XT_PHYSDEV_OP_IN		0x01
-#define XT_PHYSDEV_OP_OUT		0x02
-#define XT_PHYSDEV_OP_BRIDGED		0x04
-#define XT_PHYSDEV_OP_ISIN		0x08
-#define XT_PHYSDEV_OP_ISOUT		0x10
-#define XT_PHYSDEV_OP_MASK		(0x20 - 1)
-
-struct xt_physdev_info {
-	char physindev[IFNAMSIZ];
-	char in_mask[IFNAMSIZ];
-	char physoutdev[IFNAMSIZ];
-	char out_mask[IFNAMSIZ];
-	__u8 invert;
-	__u8 bitmask;
-};
+#include <uapi/linux/netfilter/xt_physdev.h>
 
 #endif /*_XT_PHYSDEV_H*/

include/uapi/linux/netfilter/Kbuild

 # UAPI Header export list
 header-y += ipset/
+header-y += nf_conntrack_common.h
+header-y += nf_conntrack_ftp.h
+header-y += nf_conntrack_sctp.h
+header-y += nf_conntrack_tcp.h
+header-y += nf_conntrack_tuple_common.h
+header-y += nf_nat.h
+header-y += nfnetlink.h
+header-y += nfnetlink_acct.h
+header-y += nfnetlink_compat.h
+header-y += nfnetlink_conntrack.h
+header-y += nfnetlink_cthelper.h
+header-y += nfnetlink_cttimeout.h
+header-y += nfnetlink_log.h
+header-y += nfnetlink_queue.h
+header-y += x_tables.h
+header-y += xt_AUDIT.h
+header-y += xt_CHECKSUM.h
+header-y += xt_CLASSIFY.h
+header-y += xt_CONNMARK.h
+header-y += xt_CONNSECMARK.h
+header-y += xt_CT.h
+header-y += xt_DSCP.h
+header-y += xt_IDLETIMER.h
+header-y += xt_LED.h
+header-y += xt_LOG.h
+header-y += xt_MARK.h
+header-y += xt_NFLOG.h
+header-y += xt_NFQUEUE.h
+header-y += xt_RATEEST.h
+header-y += xt_SECMARK.h
+header-y += xt_TCPMSS.h
+header-y += xt_TCPOPTSTRIP.h
+header-y += xt_TEE.h
+header-y += xt_TPROXY.h
+header-y += xt_addrtype.h
+header-y += xt_cluster.h
+header-y += xt_comment.h
+header-y += xt_connbytes.h
+header-y += xt_connlimit.h
+header-y += xt_connmark.h
+header-y += xt_conntrack.h
+header-y += xt_cpu.h
+header-y += xt_dccp.h
+header-y += xt_devgroup.h
+header-y += xt_dscp.h
+header-y += xt_ecn.h
+header-y += xt_esp.h
+header-y += xt_hashlimit.h
+header-y += xt_helper.h
+header-y += xt_iprange.h
+header-y += xt_ipvs.h
+header-y += xt_length.h
+header-y += xt_limit.h
+header-y += xt_mac.h
+header-y += xt_mark.h
+header-y += xt_multiport.h
+header-y += xt_nfacct.h
+header-y += xt_osf.h
+header-y += xt_owner.h
+header-y += xt_physdev.h
+header-y += xt_pkttype.h
+header-y += xt_policy.h
+header-y += xt_quota.h
+header-y += xt_rateest.h
+header-y += xt_realm.h
+header-y += xt_recent.h
+header-y += xt_sctp.h
+header-y += xt_set.h
+header-y += xt_socket.h
+header-y += xt_state.h
+header-y += xt_statistic.h
+header-y += xt_string.h
+header-y += xt_tcpmss.h
+header-y += xt_tcpudp.h
+header-y += xt_time.h
+header-y += xt_u32.h

include/uapi/linux/netfilter/nf_conntrack_common.h

+#ifndef _UAPI_NF_CONNTRACK_COMMON_H
+#define _UAPI_NF_CONNTRACK_COMMON_H
+/* Connection state tracking for netfilter.  This is separated from,
+   but required by, the NAT layer; it can also be used by an iptables
+   extension. */
+enum ip_conntrack_info {
+	/* Part of an established connection (either direction). */
+	IP_CT_ESTABLISHED,
+
+	/* Like NEW, but related to an existing connection, or ICMP error
+	   (in either direction). */
+	IP_CT_RELATED,
+
+	/* Started a new connection to track (only
+           IP_CT_DIR_ORIGINAL); may be a retransmission. */
+	IP_CT_NEW,
+
+	/* >= this indicates reply direction */
+	IP_CT_IS_REPLY,
+
+	IP_CT_ESTABLISHED_REPLY = IP_CT_ESTABLISHED + IP_CT_IS_REPLY,
+	IP_CT_RELATED_REPLY = IP_CT_RELATED + IP_CT_IS_REPLY,
+	IP_CT_NEW_REPLY = IP_CT_NEW + IP_CT_IS_REPLY,	
+	/* Number of distinct IP_CT types (no NEW in reply dirn). */
+	IP_CT_NUMBER = IP_CT_IS_REPLY * 2 - 1
+};
+
+/* Bitset representing status of connection. */
+enum ip_conntrack_status {
+	/* It's an expected connection: bit 0 set.  This bit never changed */
+	IPS_EXPECTED_BIT = 0,
+	IPS_EXPECTED = (1 << IPS_EXPECTED_BIT),
+
+	/* We've seen packets both ways: bit 1 set.  Can be set, not unset. */
+	IPS_SEEN_REPLY_BIT = 1,
+	IPS_SEEN_REPLY = (1 << IPS_SEEN_REPLY_BIT),
+
+	/* Conntrack should never be early-expired. */
+	IPS_ASSURED_BIT = 2,
+	IPS_ASSURED = (1 << IPS_ASSURED_BIT),
+
+	/* Connection is confirmed: originating packet has left box */
+	IPS_CONFIRMED_BIT = 3,
+	IPS_CONFIRMED = (1 << IPS_CONFIRMED_BIT),
+
+	/* Connection needs src nat in orig dir.  This bit never changed. */
+	IPS_SRC_NAT_BIT = 4,
+	IPS_SRC_NAT = (1 << IPS_SRC_NAT_BIT),
+
+	/* Connection needs dst nat in orig dir.  This bit never changed. */
+	IPS_DST_NAT_BIT = 5,
+	IPS_DST_NAT = (1 << IPS_DST_NAT_BIT),
+
+	/* Both together. */
+	IPS_NAT_MASK = (IPS_DST_NAT | IPS_SRC_NAT),
+
+	/* Connection needs TCP sequence adjusted. */
+	IPS_SEQ_ADJUST_BIT = 6,
+	IPS_SEQ_ADJUST = (1 << IPS_SEQ_ADJUST_BIT),
+
+	/* NAT initialization bits. */
+	IPS_SRC_NAT_DONE_BIT = 7,
+	IPS_SRC_NAT_DONE = (1 << IPS_SRC_NAT_DONE_BIT),
+
+	IPS_DST_NAT_DONE_BIT = 8,
+	IPS_DST_NAT_DONE = (1 << IPS_DST_NAT_DONE_BIT),
+
+	/* Both together */
+	IPS_NAT_DONE_MASK = (IPS_DST_NAT_DONE | IPS_SRC_NAT_DONE),
+
+	/* Connection is dying (removed from lists), can not be unset. */
+	IPS_DYING_BIT = 9,
+	IPS_DYING = (1 << IPS_DYING_BIT),
+
+	/* Connection has fixed timeout. */
+	IPS_FIXED_TIMEOUT_BIT = 10,
+	IPS_FIXED_TIMEOUT = (1 << IPS_FIXED_TIMEOUT_BIT),
+
+	/* Conntrack is a template */
+	IPS_TEMPLATE_BIT = 11,
+	IPS_TEMPLATE = (1 << IPS_TEMPLATE_BIT),
+
+	/* Conntrack is a fake untracked entry */
+	IPS_UNTRACKED_BIT = 12,
+	IPS_UNTRACKED = (1 << IPS_UNTRACKED_BIT),
+
+	/* Conntrack got a helper explicitly attached via CT target. */
+	IPS_HELPER_BIT = 13,
+	IPS_HELPER = (1 << IPS_HELPER_BIT),
+};
+
+/* Connection tracking event types */
+enum ip_conntrack_events {
+	IPCT_NEW,		/* new conntrack */
+	IPCT_RELATED,		/* related conntrack */
+	IPCT_DESTROY,		/* destroyed conntrack */
+	IPCT_REPLY,		/* connection has seen two-way traffic */
+	IPCT_ASSURED,		/* connection status has changed to assured */
+	IPCT_PROTOINFO,		/* protocol information has changed */
+	IPCT_HELPER,		/* new helper has been set */
+	IPCT_MARK,		/* new mark has been set */
+	IPCT_NATSEQADJ,		/* NAT is doing sequence adjustment */
+	IPCT_SECMARK,		/* new security mark has been set */
+};
+
+enum ip_conntrack_expect_events {
+	IPEXP_NEW,		/* new expectation */
+	IPEXP_DESTROY,		/* destroyed expectation */
+};
+
+/* expectation flags */
+#define NF_CT_EXPECT_PERMANENT		0x1
+#define NF_CT_EXPECT_INACTIVE		0x2
+#define NF_CT_EXPECT_USERSPACE		0x4
+
+
+#endif /* _UAPI_NF_CONNTRACK_COMMON_H */

include/uapi/linux/netfilter/nf_conntrack_ftp.h

+#ifndef _UAPI_NF_CONNTRACK_FTP_H
+#define _UAPI_NF_CONNTRACK_FTP_H
+/* FTP tracking. */
+
+/* This enum is exposed to userspace */
+enum nf_ct_ftp_type {
+	/* PORT command from client */
+	NF_CT_FTP_PORT,
+	/* PASV response from server */
+	NF_CT_FTP_PASV,
+	/* EPRT command from client */
+	NF_CT_FTP_EPRT,
+	/* EPSV response from server */
+	NF_CT_FTP_EPSV,
+};
+
+
+#endif /* _UAPI_NF_CONNTRACK_FTP_H */

include/uapi/linux/netfilter/nf_conntrack_tcp.h

+#ifndef _UAPI_NF_CONNTRACK_TCP_H
+#define _UAPI_NF_CONNTRACK_TCP_H
+/* TCP tracking. */
+
+#include <linux/types.h>
+
+/* This is exposed to userspace (ctnetlink) */
+enum tcp_conntrack {
+	TCP_CONNTRACK_NONE,
+	TCP_CONNTRACK_SYN_SENT,
+	TCP_CONNTRACK_SYN_RECV,
+	TCP_CONNTRACK_ESTABLISHED,
+	TCP_CONNTRACK_FIN_WAIT,
+	TCP_CONNTRACK_CLOSE_WAIT,
+	TCP_CONNTRACK_LAST_ACK,
+	TCP_CONNTRACK_TIME_WAIT,
+	TCP_CONNTRACK_CLOSE,
+	TCP_CONNTRACK_LISTEN,	/* obsolete */
+#define TCP_CONNTRACK_SYN_SENT2	TCP_CONNTRACK_LISTEN
+	TCP_CONNTRACK_MAX,
+	TCP_CONNTRACK_IGNORE,
+	TCP_CONNTRACK_RETRANS,
+	TCP_CONNTRACK_UNACK,
+	TCP_CONNTRACK_TIMEOUT_MAX
+};
+
+/* Window scaling is advertised by the sender */
+#define IP_CT_TCP_FLAG_WINDOW_SCALE		0x01
+
+/* SACK is permitted by the sender */
+#define IP_CT_TCP_FLAG_SACK_PERM		0x02
+
+/* This sender sent FIN first */
+#define IP_CT_TCP_FLAG_CLOSE_INIT		0x04
+
+/* Be liberal in window checking */
+#define IP_CT_TCP_FLAG_BE_LIBERAL		0x08
+
+/* Has unacknowledged data */
+#define IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED	0x10
+
+/* The field td_maxack has been set */
+#define IP_CT_TCP_FLAG_MAXACK_SET		0x20
+
+struct nf_ct_tcp_flags {
+	__u8 flags;
+	__u8 mask;
+};
+
+
+#endif /* _UAPI_NF_CONNTRACK_TCP_H */

include/uapi/linux/netfilter/nfnetlink.h

+#ifndef _UAPI_NFNETLINK_H
+#define _UAPI_NFNETLINK_H
+#include <linux/types.h>
+#include <linux/netfilter/nfnetlink_compat.h>
+
+enum nfnetlink_groups {
+	NFNLGRP_NONE,
+#define NFNLGRP_NONE			NFNLGRP_NONE
+	NFNLGRP_CONNTRACK_NEW,
+#define NFNLGRP_CONNTRACK_NEW		NFNLGRP_CONNTRACK_NEW
+	NFNLGRP_CONNTRACK_UPDATE,
+#define NFNLGRP_CONNTRACK_UPDATE	NFNLGRP_CONNTRACK_UPDATE
+	NFNLGRP_CONNTRACK_DESTROY,
+#define NFNLGRP_CONNTRACK_DESTROY	NFNLGRP_CONNTRACK_DESTROY
+	NFNLGRP_CONNTRACK_EXP_NEW,
+#define	NFNLGRP_CONNTRACK_EXP_NEW	NFNLGRP_CONNTRACK_EXP_NEW
+	NFNLGRP_CONNTRACK_EXP_UPDATE,
+#define NFNLGRP_CONNTRACK_EXP_UPDATE	NFNLGRP_CONNTRACK_EXP_UPDATE
+	NFNLGRP_CONNTRACK_EXP_DESTROY,
+#define NFNLGRP_CONNTRACK_EXP_DESTROY	NFNLGRP_CONNTRACK_EXP_DESTROY
+	__NFNLGRP_MAX,
+};
+#define NFNLGRP_MAX	(__NFNLGRP_MAX - 1)
+
+/* General form of address family dependent message.
+ */
+struct nfgenmsg {
+	__u8  nfgen_family;		/* AF_xxx */
+	__u8  version;		/* nfnetlink version */
+	__be16    res_id;		/* resource id */
+};
+
+#define NFNETLINK_V0	0
+
+/* netfilter netlink message types are split in two pieces:
+ * 8 bit subsystem, 8bit operation.
+ */
+
+#define NFNL_SUBSYS_ID(x)	((x & 0xff00) >> 8)
+#define NFNL_MSG_TYPE(x)	(x & 0x00ff)
+
+/* No enum here, otherwise __stringify() trick of MODULE_ALIAS_NFNL_SUBSYS()
+ * won't work anymore */
+#define NFNL_SUBSYS_NONE 		0
+#define NFNL_SUBSYS_CTNETLINK		1
+#define NFNL_SUBSYS_CTNETLINK_EXP	2
+#define NFNL_SUBSYS_QUEUE		3
+#define NFNL_SUBSYS_ULOG		4
+#define NFNL_SUBSYS_OSF			5
+#define NFNL_SUBSYS_IPSET		6
+#define NFNL_SUBSYS_ACCT		7
+#define NFNL_SUBSYS_CTNETLINK_TIMEOUT	8
+#define NFNL_SUBSYS_CTHELPER		9
+#define NFNL_SUBSYS_COUNT		10
+
+#endif /* _UAPI_NFNETLINK_H */

include/uapi/linux/netfilter/nfnetlink_acct.h

+#ifndef _UAPI_NFNL_ACCT_H_
+#define _UAPI_NFNL_ACCT_H_
+
+#ifndef NFACCT_NAME_MAX
+#define NFACCT_NAME_MAX		32
+#endif
+
+enum nfnl_acct_msg_types {
+	NFNL_MSG_ACCT_NEW,
+	NFNL_MSG_ACCT_GET,
+	NFNL_MSG_ACCT_GET_CTRZERO,
+	NFNL_MSG_ACCT_DEL,
+	NFNL_MSG_ACCT_MAX
+};
+
+enum nfnl_acct_type {
+	NFACCT_UNSPEC,
+	NFACCT_NAME,
+	NFACCT_PKTS,
+	NFACCT_BYTES,
+	NFACCT_USE,
+	__NFACCT_MAX
+};
+#define NFACCT_MAX (__NFACCT_MAX - 1)
+
+
+#endif /* _UAPI_NFNL_ACCT_H_ */

include/uapi/linux/netfilter/x_tables.h

+#ifndef _UAPI_X_TABLES_H
+#define _UAPI_X_TABLES_H
+#include <linux/kernel.h>
+#include <linux/types.h>
+
+#define XT_FUNCTION_MAXNAMELEN 30
+#define XT_EXTENSION_MAXNAMELEN 29
+#define XT_TABLE_MAXNAMELEN 32
+
+struct xt_entry_match {
+	union {
+		struct {
+			__u16 match_size;
+
+			/* Used by userspace */
+			char name[XT_EXTENSION_MAXNAMELEN];
+			__u8 revision;
+		} user;
+		struct {
+			__u16 match_size;
+
+			/* Used inside the kernel */
+			struct xt_match *match;
+		} kernel;
+
+		/* Total length */
+		__u16 match_size;
+	} u;
+
+	unsigned char data[0];
+};
+
+struct xt_entry_target {
+	union {
+		struct {
+			__u16 target_size;
+
+			/* Used by userspace */
+			char name[XT_EXTENSION_MAXNAMELEN];
+			__u8 revision;
+		} user;
+		struct {
+			__u16 target_size;
+
+			/* Used inside the kernel */
+			struct xt_target *target;
+		} kernel;
+
+		/* Total length */
+		__u16 target_size;
+	} u;
+
+	unsigned char data[0];
+};
+
+#define XT_TARGET_INIT(__name, __size)					       \
+{									       \
+	.target.u.user = {						       \
+		.target_size	= XT_ALIGN(__size),			       \
+		.name		= __name,				       \
+	},								       \
+}
+
+struct xt_standard_target {
+	struct xt_entry_target target;
+	int verdict;
+};
+
+struct xt_error_target {
+	struct xt_entry_target target;
+	char errorname[XT_FUNCTION_MAXNAMELEN];
+};
+
+/* The argument to IPT_SO_GET_REVISION_*.  Returns highest revision
+ * kernel supports, if >= revision. */
+struct xt_get_revision {
+	char name[XT_EXTENSION_MAXNAMELEN];
+	__u8 revision;
+};
+
+/* CONTINUE verdict for targets */
+#define XT_CONTINUE 0xFFFFFFFF
+
+/* For standard target */
+#define XT_RETURN (-NF_REPEAT - 1)
+
+/* this is a dummy structure to find out the alignment requirement for a struct
+ * containing all the fundamental data types that are used in ipt_entry,
+ * ip6t_entry and arpt_entry.  This sucks, and it is a hack.  It will be my
+ * personal pleasure to remove it -HW
+ */
+struct _xt_align {
+	__u8 u8;
+	__u16 u16;
+	__u32 u32;
+	__u64 u64;
+};
+
+#define XT_ALIGN(s) __ALIGN_KERNEL((s), __alignof__(struct _xt_align))
+
+/* Standard return verdict, or do jump. */
+#define XT_STANDARD_TARGET ""
+/* Error verdict. */
+#define XT_ERROR_TARGET "ERROR"
+
+#define SET_COUNTER(c,b,p) do { (c).bcnt = (b); (c).pcnt = (p); } while(0)
+#define ADD_COUNTER(c,b,p) do { (c).bcnt += (b); (c).pcnt += (p); } while(0)
+
+struct xt_counters {
+	__u64 pcnt, bcnt;			/* Packet and byte counters */
+};
+
+/* The argument to IPT_SO_ADD_COUNTERS. */
+struct xt_counters_info {
+	/* Which table. */
+	char name[XT_TABLE_MAXNAMELEN];
+
+	unsigned int num_counters;
+
+	/* The counters (actually `number' of these). */
+	struct xt_counters counters[0];
+};
+
+#define XT_INV_PROTO		0x40	/* Invert the sense of PROTO. */
+
+#ifndef __KERNEL__
+/* fn returns 0 to continue iteration */
+#define XT_MATCH_ITERATE(type, e, fn, args...)			\
+({								\
+	unsigned int __i;					\
+	int __ret = 0;						\
+	struct xt_entry_match *__m;				\
+								\
+	for (__i = sizeof(type);				\
+	     __i < (e)->target_offset;				\
+	     __i += __m->u.match_size) {			\
+		__m = (void *)e + __i;				\
+								\
+		__ret = fn(__m , ## args);			\
+		if (__ret != 0)					\
+			break;					\
+	}							\
+	__ret;							\
+})
+
+/* fn returns 0 to continue iteration */
+#define XT_ENTRY_ITERATE_CONTINUE(type, entries, size, n, fn, args...) \
+({								\
+	unsigned int __i, __n;					\
+	int __ret = 0;						\
+	type *__entry;						\
+								\
+	for (__i = 0, __n = 0; __i < (size);			\
+	     __i += __entry->next_offset, __n++) { 		\
+		__entry = (void *)(entries) + __i;		\
+		if (__n < n)					\
+			continue;				\
+								\
+		__ret = fn(__entry , ## args);			\
+		if (__ret != 0)					\
+			break;					\
+	}							\
+	__ret;							\
+})
+
+/* fn returns 0 to continue iteration */
+#define XT_ENTRY_ITERATE(type, entries, size, fn, args...) \
+	XT_ENTRY_ITERATE_CONTINUE(type, entries, size, 0, fn, args)
+
+#endif /* !__KERNEL__ */
+
+/* pos is normally a struct ipt_entry/ip6t_entry/etc. */
+#define xt_entry_foreach(pos, ehead, esize) \
+	for ((pos) = (typeof(pos))(ehead); \
+	     (pos) < (typeof(pos))((char *)(ehead) + (esize)); \
+	     (pos) = (typeof(pos))((char *)(pos) + (pos)->next_offset))
+
+/* can only be xt_entry_match, so no use of typeof here */
+#define xt_ematch_foreach(pos, entry) \
+	for ((pos) = (struct xt_entry_match *)entry->elems; \
+	     (pos) < (struct xt_entry_match *)((char *)(entry) + \
+	             (entry)->target_offset); \
+	     (pos) = (struct xt_entry_match *)((char *)(pos) + \
+	             (pos)->u.match_size))
+
+
+#endif /* _UAPI_X_TABLES_H */

include/uapi/linux/netfilter/xt_hashlimit.h

+#ifndef _UAPI_XT_HASHLIMIT_H
+#define _UAPI_XT_HASHLIMIT_H
+
+#include <linux/types.h>
+
+/* timings are in milliseconds. */
+#define XT_HASHLIMIT_SCALE 10000
+/* 1/10,000 sec period => max of 10,000/sec.  Min rate is then 429490
+ * seconds, or one packet every 59 hours.
+ */
+
+/* packet length accounting is done in 16-byte steps */
+#define XT_HASHLIMIT_BYTE_SHIFT 4
+
+/* details of this structure hidden by the implementation */
+struct xt_hashlimit_htable;
+
+enum {
+	XT_HASHLIMIT_HASH_DIP = 1 << 0,
+	XT_HASHLIMIT_HASH_DPT = 1 << 1,
+	XT_HASHLIMIT_HASH_SIP = 1 << 2,
+	XT_HASHLIMIT_HASH_SPT = 1 << 3,
+	XT_HASHLIMIT_INVERT   = 1 << 4,
+	XT_HASHLIMIT_BYTES    = 1 << 5,
+};
+
+struct hashlimit_cfg {
+	__u32 mode;	  /* bitmask of XT_HASHLIMIT_HASH_* */
+	__u32 avg;    /* Average secs between packets * scale */
+	__u32 burst;  /* Period multiplier for upper limit. */
+
+	/* user specified */
+	__u32 size;		/* how many buckets */
+	__u32 max;		/* max number of entries */
+	__u32 gc_interval;	/* gc interval */
+	__u32 expire;	/* when do entries expire? */
+};
+
+struct xt_hashlimit_info {
+	char name [IFNAMSIZ];		/* name */
+	struct hashlimit_cfg cfg;
+
+	/* Used internally by the kernel */
+	struct xt_hashlimit_htable *hinfo;
+	union {
+		void *ptr;
+		struct xt_hashlimit_info *master;
+	} u;
+};
+
+struct hashlimit_cfg1 {
+	__u32 mode;	  /* bitmask of XT_HASHLIMIT_HASH_* */
+	__u32 avg;    /* Average secs between packets * scale */
+	__u32 burst;  /* Period multiplier for upper limit. */
+
+	/* user specified */
+	__u32 size;		/* how many buckets */
+	__u32 max;		/* max number of entries */
+	__u32 gc_interval;	/* gc interval */
+	__u32 expire;	/* when do entries expire? */
+
+	__u8 srcmask, dstmask;
+};
+
+struct xt_hashlimit_mtinfo1 {
+	char name[IFNAMSIZ];
+	struct hashlimit_cfg1 cfg;
+
+	/* Used internally by the kernel */
+	struct xt_hashlimit_htable *hinfo __attribute__((aligned(8)));
+};
+
+#endif /* _UAPI_XT_HASHLIMIT_H */

include/uapi/linux/netfilter/xt_physdev.h

+#ifndef _UAPI_XT_PHYSDEV_H
+#define _UAPI_XT_PHYSDEV_H
+
+#include <linux/types.h>
+
+
+#define XT_PHYSDEV_OP_IN		0x01
+#define XT_PHYSDEV_OP_OUT		0x02
+#define XT_PHYSDEV_OP_BRIDGED		0x04
+#define XT_PHYSDEV_OP_ISIN		0x08
+#define XT_PHYSDEV_OP_ISOUT		0x10
+#define XT_PHYSDEV_OP_MASK		(0x20 - 1)
+
+struct xt_physdev_info {
+	char physindev[IFNAMSIZ];
+	char in_mask[IFNAMSIZ];
+	char physoutdev[IFNAMSIZ];
+	char out_mask[IFNAMSIZ];
+	__u8 invert;
+	__u8 bitmask;
+};
+
+#endif /* _UAPI_XT_PHYSDEV_H */