[mirror_ubuntu-bionic-kernel.git] / include / uapi / linux / netfilter_ipv6.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* IPv6-specific defines for netfilter. 
 * (C)1998 Rusty Russell -- This code is GPL.
 * (C)1999 David Jeffery
 *   this header was blatantly ripped from netfilter_ipv4.h 
 *   it's amazing what adding a bunch of 6s can do =8^)
 */
#ifndef _UAPI__LINUX_IP6_NETFILTER_H
#define _UAPI__LINUX_IP6_NETFILTER_H


#include <linux/netfilter.h>

/* only for userspace compatibility */
#ifndef __KERNEL__

#include <limits.h> /* for INT_MIN, INT_MAX */

/* IP Cache bits. */
/* Src IP address. */
#define NFC_IP6_SRC              0x0001
/* Dest IP address. */
#define NFC_IP6_DST              0x0002
/* Input device. */
#define NFC_IP6_IF_IN            0x0004
/* Output device. */
#define NFC_IP6_IF_OUT           0x0008
/* TOS. */
#define NFC_IP6_TOS              0x0010
/* Protocol. */
#define NFC_IP6_PROTO            0x0020
/* IP options. */
#define NFC_IP6_OPTIONS          0x0040
/* Frag & flags. */
#define NFC_IP6_FRAG             0x0080


/* Per-protocol information: only matters if proto match. */
/* TCP flags. */
#define NFC_IP6_TCPFLAGS         0x0100
/* Source port. */
#define NFC_IP6_SRC_PT           0x0200
/* Dest port. */
#define NFC_IP6_DST_PT           0x0400
/* Something else about the proto */
#define NFC_IP6_PROTO_UNKNOWN    0x2000

/* IP6 Hooks */
/* After promisc drops, checksum checks. */
#define NF_IP6_PRE_ROUTING	0
/* If the packet is destined for this box. */
#define NF_IP6_LOCAL_IN		1
/* If the packet is destined for another interface. */
#define NF_IP6_FORWARD		2
/* Packets coming from a local process. */
#define NF_IP6_LOCAL_OUT		3
/* Packets about to hit the wire. */
#define NF_IP6_POST_ROUTING	4
#define NF_IP6_NUMHOOKS		5
#endif /* ! __KERNEL__ */


enum nf_ip6_hook_priorities {
	NF_IP6_PRI_FIRST = INT_MIN,
	NF_IP6_PRI_CONNTRACK_DEFRAG = -400,
	NF_IP6_PRI_RAW = -300,
	NF_IP6_PRI_SELINUX_FIRST = -225,
	NF_IP6_PRI_CONNTRACK = -200,
	NF_IP6_PRI_MANGLE = -150,
	NF_IP6_PRI_NAT_DST = -100,
	NF_IP6_PRI_FILTER = 0,
	NF_IP6_PRI_SECURITY = 50,
	NF_IP6_PRI_NAT_SRC = 100,
	NF_IP6_PRI_SELINUX_LAST = 225,
	NF_IP6_PRI_CONNTRACK_HELPER = 300,
	NF_IP6_PRI_LAST = INT_MAX,
};


#endif /* _UAPI__LINUX_IP6_NETFILTER_H */
Commit	Line	Data
e2be04c7	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
607ca46e DH	2	/* IPv6-specific defines for netfilter.
	3	* (C)1998 Rusty Russell -- This code is GPL.
	4	* (C)1999 David Jeffery
	5	* this header was blatantly ripped from netfilter_ipv4.h
	6	* it's amazing what adding a bunch of 6s can do =8^)
	7	*/
	8	#ifndef _UAPI__LINUX_IP6_NETFILTER_H
	9	#define _UAPI__LINUX_IP6_NETFILTER_H
	10
	11
	12	#include <linux/netfilter.h>
	13
	14	/* only for userspace compatibility */
	15	#ifndef __KERNEL__
	16
	17	#include <limits.h> /* for INT_MIN, INT_MAX */
	18
	19	/* IP Cache bits. */
	20	/* Src IP address. */
	21	#define NFC_IP6_SRC 0x0001
	22	/* Dest IP address. */
	23	#define NFC_IP6_DST 0x0002
	24	/* Input device. */
	25	#define NFC_IP6_IF_IN 0x0004
	26	/* Output device. */
	27	#define NFC_IP6_IF_OUT 0x0008
	28	/* TOS. */
	29	#define NFC_IP6_TOS 0x0010
	30	/* Protocol. */
	31	#define NFC_IP6_PROTO 0x0020
	32	/* IP options. */
	33	#define NFC_IP6_OPTIONS 0x0040
	34	/* Frag & flags. */
	35	#define NFC_IP6_FRAG 0x0080
	36
	37
	38	/* Per-protocol information: only matters if proto match. */
	39	/* TCP flags. */
	40	#define NFC_IP6_TCPFLAGS 0x0100
	41	/* Source port. */
	42	#define NFC_IP6_SRC_PT 0x0200
	43	/* Dest port. */
	44	#define NFC_IP6_DST_PT 0x0400
	45	/* Something else about the proto */
	46	#define NFC_IP6_PROTO_UNKNOWN 0x2000
	47
	48	/* IP6 Hooks */
	49	/* After promisc drops, checksum checks. */
	50	#define NF_IP6_PRE_ROUTING 0
	51	/* If the packet is destined for this box. */
	52	#define NF_IP6_LOCAL_IN 1
	53	/* If the packet is destined for another interface. */
	54	#define NF_IP6_FORWARD 2
	55	/* Packets coming from a local process. */
	56	#define NF_IP6_LOCAL_OUT 3
	57	/* Packets about to hit the wire. */
	58	#define NF_IP6_POST_ROUTING 4
	59	#define NF_IP6_NUMHOOKS 5
	60	#endif /* ! __KERNEL__ */
	61
	62
	63	enum nf_ip6_hook_priorities {
	64	NF_IP6_PRI_FIRST = INT_MIN,
	65	NF_IP6_PRI_CONNTRACK_DEFRAG = -400,
66	NF_IP6_PRI_RAW = -300,
67	NF_IP6_PRI_SELINUX_FIRST = -225,
68	NF_IP6_PRI_CONNTRACK = -200,
69	NF_IP6_PRI_MANGLE = -150,
70	NF_IP6_PRI_NAT_DST = -100,
71	NF_IP6_PRI_FILTER = 0,
72	NF_IP6_PRI_SECURITY = 50,
73	NF_IP6_PRI_NAT_SRC = 100,
74	NF_IP6_PRI_SELINUX_LAST = 225,
75	NF_IP6_PRI_CONNTRACK_HELPER = 300,
76	NF_IP6_PRI_LAST = INT_MAX,
77	};
78
79
80	#endif /* _UAPI__LINUX_IP6_NETFILTER_H */