UAPI: (Scripted) Disintegrate include/linux/netfilter
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
diff --git a/include/linux/netfilter/Kbuild b/include/linux/netfilter/Kbuild
index 874ae8f..b332202 100644
--- a/include/linux/netfilter/Kbuild
+++ b/include/linux/netfilter/Kbuild
@@ -1,78 +1 @@
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
diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h
index d146872..127d0b9 100644
--- a/include/linux/netfilter/nf_conntrack_common.h
+++ b/include/linux/netfilter/nf_conntrack_common.h
@@ -1,119 +1,8 @@
#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 @@
/* call to create an explicit dependency on nf_conntrack. */
extern void need_conntrack(void);
-#endif /* __KERNEL__ */
-
#endif /* _NF_CONNTRACK_COMMON_H */
diff --git a/include/linux/netfilter/nf_conntrack_ftp.h b/include/linux/netfilter/nf_conntrack_ftp.h
index 8faf3f7..5f818b0 100644
--- a/include/linux/netfilter/nf_conntrack_ftp.h
+++ b/include/linux/netfilter/nf_conntrack_ftp.h
@@ -1,20 +1,8 @@
#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 @@
unsigned int matchoff,
unsigned int matchlen,
struct nf_conntrack_expect *exp);
-#endif /* __KERNEL__ */
-
#endif /* _NF_CONNTRACK_FTP_H */
diff --git a/include/linux/netfilter/nf_conntrack_tcp.h b/include/linux/netfilter/nf_conntrack_tcp.h
index e59868a..22db961 100644
--- a/include/linux/netfilter/nf_conntrack_tcp.h
+++ b/include/linux/netfilter/nf_conntrack_tcp.h
@@ -1,53 +1,8 @@
#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 @@
u_int8_t last_flags; /* Last flags set */
};
-#endif /* __KERNEL__ */
-
#endif /* _NF_CONNTRACK_TCP_H */
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 18341cd..4966dde 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -1,63 +1,11 @@
#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 @@
#define MODULE_ALIAS_NFNL_SUBSYS(subsys) \
MODULE_ALIAS("nfnetlink-subsys-" __stringify(subsys))
-#endif /* __KERNEL__ */
#endif /* _NFNETLINK_H */
diff --git a/include/linux/netfilter/nfnetlink_acct.h b/include/linux/netfilter/nfnetlink_acct.h
index 7c4279b..bb4bbc9 100644
--- a/include/linux/netfilter/nfnetlink_acct.h
+++ b/include/linux/netfilter/nfnetlink_acct.h
@@ -1,29 +1,8 @@
#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 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 */
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 8d674a7..dd49566 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -1,191 +1,9 @@
#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 @@
void __user **dstptr, unsigned int *size);
#endif /* CONFIG_COMPAT */
-#endif /* __KERNEL__ */
-
#endif /* _X_TABLES_H */
diff --git a/include/linux/netfilter/xt_hashlimit.h b/include/linux/netfilter/xt_hashlimit.h
index c42e52f..074790c 100644
--- a/include/linux/netfilter/xt_hashlimit.h
+++ b/include/linux/netfilter/xt_hashlimit.h
@@ -1,78 +1,9 @@
#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*/
diff --git a/include/linux/netfilter/xt_physdev.h b/include/linux/netfilter/xt_physdev.h
index 8555e39..5b5e417 100644
--- a/include/linux/netfilter/xt_physdev.h
+++ b/include/linux/netfilter/xt_physdev.h
@@ -1,26 +1,7 @@
#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*/
diff --git a/include/uapi/linux/netfilter/Kbuild b/include/uapi/linux/netfilter/Kbuild
index 4afbace..08f555f 100644
--- a/include/uapi/linux/netfilter/Kbuild
+++ b/include/uapi/linux/netfilter/Kbuild
@@ -1,2 +1,78 @@
# 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
diff --git a/include/uapi/linux/netfilter/nf_conntrack_common.h b/include/uapi/linux/netfilter/nf_conntrack_common.h
new file mode 100644
index 0000000..1644cdd
--- /dev/null
+++ b/include/uapi/linux/netfilter/nf_conntrack_common.h
@@ -0,0 +1,117 @@
+#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 */
diff --git a/include/uapi/linux/netfilter/nf_conntrack_ftp.h b/include/uapi/linux/netfilter/nf_conntrack_ftp.h
new file mode 100644
index 0000000..1030315
--- /dev/null
+++ b/include/uapi/linux/netfilter/nf_conntrack_ftp.h
@@ -0,0 +1,18 @@
+#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 */
diff --git a/include/linux/netfilter/nf_conntrack_sctp.h b/include/uapi/linux/netfilter/nf_conntrack_sctp.h
similarity index 100%
rename from include/linux/netfilter/nf_conntrack_sctp.h
rename to include/uapi/linux/netfilter/nf_conntrack_sctp.h
diff --git a/include/uapi/linux/netfilter/nf_conntrack_tcp.h b/include/uapi/linux/netfilter/nf_conntrack_tcp.h
new file mode 100644
index 0000000..9993a42
--- /dev/null
+++ b/include/uapi/linux/netfilter/nf_conntrack_tcp.h
@@ -0,0 +1,51 @@
+#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 */
diff --git a/include/linux/netfilter/nf_conntrack_tuple_common.h b/include/uapi/linux/netfilter/nf_conntrack_tuple_common.h
similarity index 100%
rename from include/linux/netfilter/nf_conntrack_tuple_common.h
rename to include/uapi/linux/netfilter/nf_conntrack_tuple_common.h
diff --git a/include/linux/netfilter/nf_nat.h b/include/uapi/linux/netfilter/nf_nat.h
similarity index 100%
rename from include/linux/netfilter/nf_nat.h
rename to include/uapi/linux/netfilter/nf_nat.h
diff --git a/include/uapi/linux/netfilter/nfnetlink.h b/include/uapi/linux/netfilter/nfnetlink.h
new file mode 100644
index 0000000..4a4efaf
--- /dev/null
+++ b/include/uapi/linux/netfilter/nfnetlink.h
@@ -0,0 +1,56 @@
+#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 */
diff --git a/include/uapi/linux/netfilter/nfnetlink_acct.h b/include/uapi/linux/netfilter/nfnetlink_acct.h
new file mode 100644
index 0000000..c7b6269
--- /dev/null
+++ b/include/uapi/linux/netfilter/nfnetlink_acct.h
@@ -0,0 +1,27 @@
+#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_ */
diff --git a/include/linux/netfilter/nfnetlink_compat.h b/include/uapi/linux/netfilter/nfnetlink_compat.h
similarity index 100%
rename from include/linux/netfilter/nfnetlink_compat.h
rename to include/uapi/linux/netfilter/nfnetlink_compat.h
diff --git a/include/linux/netfilter/nfnetlink_conntrack.h b/include/uapi/linux/netfilter/nfnetlink_conntrack.h
similarity index 100%
rename from include/linux/netfilter/nfnetlink_conntrack.h
rename to include/uapi/linux/netfilter/nfnetlink_conntrack.h
diff --git a/include/linux/netfilter/nfnetlink_cthelper.h b/include/uapi/linux/netfilter/nfnetlink_cthelper.h
similarity index 100%
rename from include/linux/netfilter/nfnetlink_cthelper.h
rename to include/uapi/linux/netfilter/nfnetlink_cthelper.h
diff --git a/include/linux/netfilter/nfnetlink_cttimeout.h b/include/uapi/linux/netfilter/nfnetlink_cttimeout.h
similarity index 100%
rename from include/linux/netfilter/nfnetlink_cttimeout.h
rename to include/uapi/linux/netfilter/nfnetlink_cttimeout.h
diff --git a/include/linux/netfilter/nfnetlink_log.h b/include/uapi/linux/netfilter/nfnetlink_log.h
similarity index 100%
rename from include/linux/netfilter/nfnetlink_log.h
rename to include/uapi/linux/netfilter/nfnetlink_log.h
diff --git a/include/linux/netfilter/nfnetlink_queue.h b/include/uapi/linux/netfilter/nfnetlink_queue.h
similarity index 100%
rename from include/linux/netfilter/nfnetlink_queue.h
rename to include/uapi/linux/netfilter/nfnetlink_queue.h
diff --git a/include/uapi/linux/netfilter/x_tables.h b/include/uapi/linux/netfilter/x_tables.h
new file mode 100644
index 0000000..c36969b
--- /dev/null
+++ b/include/uapi/linux/netfilter/x_tables.h
@@ -0,0 +1,187 @@
+#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 */
diff --git a/include/linux/netfilter/xt_AUDIT.h b/include/uapi/linux/netfilter/xt_AUDIT.h
similarity index 100%
rename from include/linux/netfilter/xt_AUDIT.h
rename to include/uapi/linux/netfilter/xt_AUDIT.h
diff --git a/include/linux/netfilter/xt_CHECKSUM.h b/include/uapi/linux/netfilter/xt_CHECKSUM.h
similarity index 100%
rename from include/linux/netfilter/xt_CHECKSUM.h
rename to include/uapi/linux/netfilter/xt_CHECKSUM.h
diff --git a/include/linux/netfilter/xt_CLASSIFY.h b/include/uapi/linux/netfilter/xt_CLASSIFY.h
similarity index 100%
rename from include/linux/netfilter/xt_CLASSIFY.h
rename to include/uapi/linux/netfilter/xt_CLASSIFY.h
diff --git a/include/linux/netfilter/xt_CONNMARK.h b/include/uapi/linux/netfilter/xt_CONNMARK.h
similarity index 100%
rename from include/linux/netfilter/xt_CONNMARK.h
rename to include/uapi/linux/netfilter/xt_CONNMARK.h
diff --git a/include/linux/netfilter/xt_CONNSECMARK.h b/include/uapi/linux/netfilter/xt_CONNSECMARK.h
similarity index 100%
rename from include/linux/netfilter/xt_CONNSECMARK.h
rename to include/uapi/linux/netfilter/xt_CONNSECMARK.h
diff --git a/include/linux/netfilter/xt_CT.h b/include/uapi/linux/netfilter/xt_CT.h
similarity index 100%
rename from include/linux/netfilter/xt_CT.h
rename to include/uapi/linux/netfilter/xt_CT.h
diff --git a/include/linux/netfilter/xt_DSCP.h b/include/uapi/linux/netfilter/xt_DSCP.h
similarity index 100%
rename from include/linux/netfilter/xt_DSCP.h
rename to include/uapi/linux/netfilter/xt_DSCP.h
diff --git a/include/linux/netfilter/xt_IDLETIMER.h b/include/uapi/linux/netfilter/xt_IDLETIMER.h
similarity index 100%
rename from include/linux/netfilter/xt_IDLETIMER.h
rename to include/uapi/linux/netfilter/xt_IDLETIMER.h
diff --git a/include/linux/netfilter/xt_LED.h b/include/uapi/linux/netfilter/xt_LED.h
similarity index 100%
rename from include/linux/netfilter/xt_LED.h
rename to include/uapi/linux/netfilter/xt_LED.h
diff --git a/include/linux/netfilter/xt_LOG.h b/include/uapi/linux/netfilter/xt_LOG.h
similarity index 100%
rename from include/linux/netfilter/xt_LOG.h
rename to include/uapi/linux/netfilter/xt_LOG.h
diff --git a/include/linux/netfilter/xt_MARK.h b/include/uapi/linux/netfilter/xt_MARK.h
similarity index 100%
rename from include/linux/netfilter/xt_MARK.h
rename to include/uapi/linux/netfilter/xt_MARK.h
diff --git a/include/linux/netfilter/xt_NFLOG.h b/include/uapi/linux/netfilter/xt_NFLOG.h
similarity index 100%
rename from include/linux/netfilter/xt_NFLOG.h
rename to include/uapi/linux/netfilter/xt_NFLOG.h
diff --git a/include/linux/netfilter/xt_NFQUEUE.h b/include/uapi/linux/netfilter/xt_NFQUEUE.h
similarity index 100%
rename from include/linux/netfilter/xt_NFQUEUE.h
rename to include/uapi/linux/netfilter/xt_NFQUEUE.h
diff --git a/include/linux/netfilter/xt_RATEEST.h b/include/uapi/linux/netfilter/xt_RATEEST.h
similarity index 100%
rename from include/linux/netfilter/xt_RATEEST.h
rename to include/uapi/linux/netfilter/xt_RATEEST.h
diff --git a/include/linux/netfilter/xt_SECMARK.h b/include/uapi/linux/netfilter/xt_SECMARK.h
similarity index 100%
rename from include/linux/netfilter/xt_SECMARK.h
rename to include/uapi/linux/netfilter/xt_SECMARK.h
diff --git a/include/linux/netfilter/xt_TCPMSS.h b/include/uapi/linux/netfilter/xt_TCPMSS.h
similarity index 100%
rename from include/linux/netfilter/xt_TCPMSS.h
rename to include/uapi/linux/netfilter/xt_TCPMSS.h
diff --git a/include/linux/netfilter/xt_TCPOPTSTRIP.h b/include/uapi/linux/netfilter/xt_TCPOPTSTRIP.h
similarity index 100%
rename from include/linux/netfilter/xt_TCPOPTSTRIP.h
rename to include/uapi/linux/netfilter/xt_TCPOPTSTRIP.h
diff --git a/include/linux/netfilter/xt_TEE.h b/include/uapi/linux/netfilter/xt_TEE.h
similarity index 100%
rename from include/linux/netfilter/xt_TEE.h
rename to include/uapi/linux/netfilter/xt_TEE.h
diff --git a/include/linux/netfilter/xt_TPROXY.h b/include/uapi/linux/netfilter/xt_TPROXY.h
similarity index 100%
rename from include/linux/netfilter/xt_TPROXY.h
rename to include/uapi/linux/netfilter/xt_TPROXY.h
diff --git a/include/linux/netfilter/xt_addrtype.h b/include/uapi/linux/netfilter/xt_addrtype.h
similarity index 100%
rename from include/linux/netfilter/xt_addrtype.h
rename to include/uapi/linux/netfilter/xt_addrtype.h
diff --git a/include/linux/netfilter/xt_cluster.h b/include/uapi/linux/netfilter/xt_cluster.h
similarity index 100%
rename from include/linux/netfilter/xt_cluster.h
rename to include/uapi/linux/netfilter/xt_cluster.h
diff --git a/include/linux/netfilter/xt_comment.h b/include/uapi/linux/netfilter/xt_comment.h
similarity index 100%
rename from include/linux/netfilter/xt_comment.h
rename to include/uapi/linux/netfilter/xt_comment.h
diff --git a/include/linux/netfilter/xt_connbytes.h b/include/uapi/linux/netfilter/xt_connbytes.h
similarity index 100%
rename from include/linux/netfilter/xt_connbytes.h
rename to include/uapi/linux/netfilter/xt_connbytes.h
diff --git a/include/linux/netfilter/xt_connlimit.h b/include/uapi/linux/netfilter/xt_connlimit.h
similarity index 100%
rename from include/linux/netfilter/xt_connlimit.h
rename to include/uapi/linux/netfilter/xt_connlimit.h
diff --git a/include/linux/netfilter/xt_connmark.h b/include/uapi/linux/netfilter/xt_connmark.h
similarity index 100%
rename from include/linux/netfilter/xt_connmark.h
rename to include/uapi/linux/netfilter/xt_connmark.h
diff --git a/include/linux/netfilter/xt_conntrack.h b/include/uapi/linux/netfilter/xt_conntrack.h
similarity index 100%
rename from include/linux/netfilter/xt_conntrack.h
rename to include/uapi/linux/netfilter/xt_conntrack.h
diff --git a/include/linux/netfilter/xt_cpu.h b/include/uapi/linux/netfilter/xt_cpu.h
similarity index 100%
rename from include/linux/netfilter/xt_cpu.h
rename to include/uapi/linux/netfilter/xt_cpu.h
diff --git a/include/linux/netfilter/xt_dccp.h b/include/uapi/linux/netfilter/xt_dccp.h
similarity index 100%
rename from include/linux/netfilter/xt_dccp.h
rename to include/uapi/linux/netfilter/xt_dccp.h
diff --git a/include/linux/netfilter/xt_devgroup.h b/include/uapi/linux/netfilter/xt_devgroup.h
similarity index 100%
rename from include/linux/netfilter/xt_devgroup.h
rename to include/uapi/linux/netfilter/xt_devgroup.h
diff --git a/include/linux/netfilter/xt_dscp.h b/include/uapi/linux/netfilter/xt_dscp.h
similarity index 100%
rename from include/linux/netfilter/xt_dscp.h
rename to include/uapi/linux/netfilter/xt_dscp.h
diff --git a/include/linux/netfilter/xt_ecn.h b/include/uapi/linux/netfilter/xt_ecn.h
similarity index 100%
rename from include/linux/netfilter/xt_ecn.h
rename to include/uapi/linux/netfilter/xt_ecn.h
diff --git a/include/linux/netfilter/xt_esp.h b/include/uapi/linux/netfilter/xt_esp.h
similarity index 100%
rename from include/linux/netfilter/xt_esp.h
rename to include/uapi/linux/netfilter/xt_esp.h
diff --git a/include/uapi/linux/netfilter/xt_hashlimit.h b/include/uapi/linux/netfilter/xt_hashlimit.h
new file mode 100644
index 0000000..cbfc43d
--- /dev/null
+++ b/include/uapi/linux/netfilter/xt_hashlimit.h
@@ -0,0 +1,73 @@
+#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 */
diff --git a/include/linux/netfilter/xt_helper.h b/include/uapi/linux/netfilter/xt_helper.h
similarity index 100%
rename from include/linux/netfilter/xt_helper.h
rename to include/uapi/linux/netfilter/xt_helper.h
diff --git a/include/linux/netfilter/xt_iprange.h b/include/uapi/linux/netfilter/xt_iprange.h
similarity index 100%
rename from include/linux/netfilter/xt_iprange.h
rename to include/uapi/linux/netfilter/xt_iprange.h
diff --git a/include/linux/netfilter/xt_ipvs.h b/include/uapi/linux/netfilter/xt_ipvs.h
similarity index 100%
rename from include/linux/netfilter/xt_ipvs.h
rename to include/uapi/linux/netfilter/xt_ipvs.h
diff --git a/include/linux/netfilter/xt_length.h b/include/uapi/linux/netfilter/xt_length.h
similarity index 100%
rename from include/linux/netfilter/xt_length.h
rename to include/uapi/linux/netfilter/xt_length.h
diff --git a/include/linux/netfilter/xt_limit.h b/include/uapi/linux/netfilter/xt_limit.h
similarity index 100%
rename from include/linux/netfilter/xt_limit.h
rename to include/uapi/linux/netfilter/xt_limit.h
diff --git a/include/linux/netfilter/xt_mac.h b/include/uapi/linux/netfilter/xt_mac.h
similarity index 100%
rename from include/linux/netfilter/xt_mac.h
rename to include/uapi/linux/netfilter/xt_mac.h
diff --git a/include/linux/netfilter/xt_mark.h b/include/uapi/linux/netfilter/xt_mark.h
similarity index 100%
rename from include/linux/netfilter/xt_mark.h
rename to include/uapi/linux/netfilter/xt_mark.h
diff --git a/include/linux/netfilter/xt_multiport.h b/include/uapi/linux/netfilter/xt_multiport.h
similarity index 100%
rename from include/linux/netfilter/xt_multiport.h
rename to include/uapi/linux/netfilter/xt_multiport.h
diff --git a/include/linux/netfilter/xt_nfacct.h b/include/uapi/linux/netfilter/xt_nfacct.h
similarity index 100%
rename from include/linux/netfilter/xt_nfacct.h
rename to include/uapi/linux/netfilter/xt_nfacct.h
diff --git a/include/linux/netfilter/xt_osf.h b/include/uapi/linux/netfilter/xt_osf.h
similarity index 100%
rename from include/linux/netfilter/xt_osf.h
rename to include/uapi/linux/netfilter/xt_osf.h
diff --git a/include/linux/netfilter/xt_owner.h b/include/uapi/linux/netfilter/xt_owner.h
similarity index 100%
rename from include/linux/netfilter/xt_owner.h
rename to include/uapi/linux/netfilter/xt_owner.h
diff --git a/include/uapi/linux/netfilter/xt_physdev.h b/include/uapi/linux/netfilter/xt_physdev.h
new file mode 100644
index 0000000..db7a298
--- /dev/null
+++ b/include/uapi/linux/netfilter/xt_physdev.h
@@ -0,0 +1,23 @@
+#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 */
diff --git a/include/linux/netfilter/xt_pkttype.h b/include/uapi/linux/netfilter/xt_pkttype.h
similarity index 100%
rename from include/linux/netfilter/xt_pkttype.h
rename to include/uapi/linux/netfilter/xt_pkttype.h
diff --git a/include/linux/netfilter/xt_policy.h b/include/uapi/linux/netfilter/xt_policy.h
similarity index 100%
rename from include/linux/netfilter/xt_policy.h
rename to include/uapi/linux/netfilter/xt_policy.h
diff --git a/include/linux/netfilter/xt_quota.h b/include/uapi/linux/netfilter/xt_quota.h
similarity index 100%
rename from include/linux/netfilter/xt_quota.h
rename to include/uapi/linux/netfilter/xt_quota.h
diff --git a/include/linux/netfilter/xt_rateest.h b/include/uapi/linux/netfilter/xt_rateest.h
similarity index 100%
rename from include/linux/netfilter/xt_rateest.h
rename to include/uapi/linux/netfilter/xt_rateest.h
diff --git a/include/linux/netfilter/xt_realm.h b/include/uapi/linux/netfilter/xt_realm.h
similarity index 100%
rename from include/linux/netfilter/xt_realm.h
rename to include/uapi/linux/netfilter/xt_realm.h
diff --git a/include/linux/netfilter/xt_recent.h b/include/uapi/linux/netfilter/xt_recent.h
similarity index 100%
rename from include/linux/netfilter/xt_recent.h
rename to include/uapi/linux/netfilter/xt_recent.h
diff --git a/include/linux/netfilter/xt_sctp.h b/include/uapi/linux/netfilter/xt_sctp.h
similarity index 100%
rename from include/linux/netfilter/xt_sctp.h
rename to include/uapi/linux/netfilter/xt_sctp.h
diff --git a/include/linux/netfilter/xt_set.h b/include/uapi/linux/netfilter/xt_set.h
similarity index 100%
rename from include/linux/netfilter/xt_set.h
rename to include/uapi/linux/netfilter/xt_set.h
diff --git a/include/linux/netfilter/xt_socket.h b/include/uapi/linux/netfilter/xt_socket.h
similarity index 100%
rename from include/linux/netfilter/xt_socket.h
rename to include/uapi/linux/netfilter/xt_socket.h
diff --git a/include/linux/netfilter/xt_state.h b/include/uapi/linux/netfilter/xt_state.h
similarity index 100%
rename from include/linux/netfilter/xt_state.h
rename to include/uapi/linux/netfilter/xt_state.h
diff --git a/include/linux/netfilter/xt_statistic.h b/include/uapi/linux/netfilter/xt_statistic.h
similarity index 100%
rename from include/linux/netfilter/xt_statistic.h
rename to include/uapi/linux/netfilter/xt_statistic.h
diff --git a/include/linux/netfilter/xt_string.h b/include/uapi/linux/netfilter/xt_string.h
similarity index 100%
rename from include/linux/netfilter/xt_string.h
rename to include/uapi/linux/netfilter/xt_string.h
diff --git a/include/linux/netfilter/xt_tcpmss.h b/include/uapi/linux/netfilter/xt_tcpmss.h
similarity index 100%
rename from include/linux/netfilter/xt_tcpmss.h
rename to include/uapi/linux/netfilter/xt_tcpmss.h
diff --git a/include/linux/netfilter/xt_tcpudp.h b/include/uapi/linux/netfilter/xt_tcpudp.h
similarity index 100%
rename from include/linux/netfilter/xt_tcpudp.h
rename to include/uapi/linux/netfilter/xt_tcpudp.h
diff --git a/include/linux/netfilter/xt_time.h b/include/uapi/linux/netfilter/xt_time.h
similarity index 100%
rename from include/linux/netfilter/xt_time.h
rename to include/uapi/linux/netfilter/xt_time.h
diff --git a/include/linux/netfilter/xt_u32.h b/include/uapi/linux/netfilter/xt_u32.h
similarity index 100%
rename from include/linux/netfilter/xt_u32.h
rename to include/uapi/linux/netfilter/xt_u32.h