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#ifndef __LINUX_IP_NETFILTER_H
#define __LINUX_IP_NETFILTER_H
/* IPv4-specific defines for netfilter.
* (C)1998 Rusty Russell -- This code is GPL.
*/
#include <linux/netfilter.h>
#ifndef __KERNEL__
#include <limits.h>
#define NFC_IP_SRC 0x0001
#define NFC_IP_DST 0x0002
#define NFC_IP_IF_IN 0x0004
#define NFC_IP_IF_OUT 0x0008
#define NFC_IP_TOS 0x0010
#define NFC_IP_PROTO 0x0020
#define NFC_IP_OPTIONS 0x0040
#define NFC_IP_FRAG 0x0080
#define NFC_IP_TCPFLAGS 0x0100
#define NFC_IP_SRC_PT 0x0200
#define NFC_IP_DST_PT 0x0400
#define NFC_IP_PROTO_UNKNOWN 0x2000
#define NF_IP_PRE_ROUTING 0
#define NF_IP_LOCAL_IN 1
#define NF_IP_FORWARD 2
#define NF_IP_LOCAL_OUT 3
#define NF_IP_POST_ROUTING 4
#define NF_IP_NUMHOOKS 5
#endif
enum nf_ip_hook_priorities {
NF_IP_PRI_FIRST = INT_MIN,
NF_IP_PRI_CONNTRACK_DEFRAG = -400,
NF_IP_PRI_RAW = -300,
NF_IP_PRI_SELINUX_FIRST = -225,
NF_IP_PRI_CONNTRACK = -200,
NF_IP_PRI_MANGLE = -150,
NF_IP_PRI_NAT_DST = -100,
NF_IP_PRI_FILTER = 0,
NF_IP_PRI_SECURITY = 50,
NF_IP_PRI_NAT_SRC = 100,
NF_IP_PRI_SELINUX_LAST = 225,
NF_IP_PRI_CONNTRACK_CONFIRM = INT_MAX,
NF_IP_PRI_LAST = INT_MAX,
};
#define SO_ORIGINAL_DST 80
#ifdef __KERNEL__
extern int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type);
extern int ip_xfrm_me_harder(struct sk_buff *skb);
extern __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook,
unsigned int dataoff, u_int8_t protocol);
#endif
#endif
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