xref: /freebsd/sys/netpfil/ipfw/nat64/nat64clat.h (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2019 Yandex LLC
5  * Copyright (c) 2019 Andrey V. Elsukov <ae@FreeBSD.org>
6  * Copyright (c) 2019 Boris N. Lytochkin <lytboris@gmail.com>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #ifndef	_IP_FW_NAT64CLAT_H_
31 #define	_IP_FW_NAT64CLAT_H_
32 
33 #include "ip_fw_nat64.h"
34 #include "nat64_translate.h"
35 
36 struct nat64clat_cfg {
37 	struct named_object	no;
38 
39 	struct nat64_config	base;
40 #define	NAT64CLAT_FLAGSMASK	\
41 	(NAT64_LOG | NAT64_ALLOW_PRIVATE) /* flags to pass to userland */
42 	char			name[64];
43 };
44 
45 VNET_DECLARE(uint16_t, nat64clat_eid);
46 #define	V_nat64clat_eid	VNET(nat64clat_eid)
47 #define	IPFW_TLV_NAT64CLAT_NAME	IPFW_TLV_EACTION_NAME(V_nat64clat_eid)
48 
49 int ipfw_nat64clat(struct ip_fw_chain *chain, struct ip_fw_args *args,
50     ipfw_insn *cmd, int *done);
51 
52 #endif
53