xref: /freebsd/sys/netpfil/ipfw/nat64/ip_fw_nat64.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2015-2019 Yandex LLC
5  * Copyright (c) 2015-2019 Andrey V. Elsukov <ae@FreeBSD.org>
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef	_IP_FW_NAT64_H_
30 #define	_IP_FW_NAT64_H_
31 
32 #define	DPRINTF(mask, fmt, ...)	\
33     if (V_nat64_debug & (mask))	\
34 	printf("NAT64: %s: " fmt "\n", __func__, ## __VA_ARGS__)
35 #define	DP_GENERIC	0x0001
36 #define	DP_OBJ		0x0002
37 #define	DP_JQUEUE	0x0004
38 #define	DP_STATE	0x0008
39 #define	DP_DROPS	0x0010
40 #define	DP_ALL		0xFFFF
41 
42 VNET_DECLARE(int, nat64_debug);
43 #define	V_nat64_debug		VNET(nat64_debug)
44 
45 #if 0
46 #define	NAT64NOINLINE	__noinline
47 #else
48 #define	NAT64NOINLINE
49 #endif
50 
51 int	nat64stl_init(struct ip_fw_chain *ch, int first);
52 void	nat64stl_uninit(struct ip_fw_chain *ch, int last);
53 int	nat64lsn_init(struct ip_fw_chain *ch, int first);
54 void	nat64lsn_uninit(struct ip_fw_chain *ch, int last);
55 int	nat64clat_init(struct ip_fw_chain *ch, int first);
56 void	nat64clat_uninit(struct ip_fw_chain *ch, int last);
57 
58 #endif /* _IP_FW_NAT64_H_ */
59