xref: /freebsd/sys/netpfil/ipfw/nat64/nat64stl.h (revision 389e4940069316fe667ffa263fa7d6390d0a960f)
1 /*-
2  * Copyright (c) 2015-2016 Yandex LLC
3  * Copyright (c) 2015-2016 Andrey V. Elsukov <ae@FreeBSD.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef	_IP_FW_NAT64STL_H_
31 #define	_IP_FW_NAT64STL_H_
32 
33 #include "ip_fw_nat64.h"
34 #include "nat64_translate.h"
35 
36 struct nat64stl_cfg {
37 	struct named_object	no;
38 
39 	uint16_t		map64;	/* table with 6to4 mapping */
40 	uint16_t		map46;	/* table with 4to6 mapping */
41 
42 	struct nat64_config	base;
43 #define	NAT64STL_KIDX		0x0100
44 #define	NAT64STL_46T		0x0200
45 #define	NAT64STL_64T		0x0400
46 #define	NAT64STL_FLAGSMASK	(NAT64_LOG) /* flags to pass to userland */
47 	char			name[64];
48 };
49 
50 VNET_DECLARE(uint16_t, nat64stl_eid);
51 #define	V_nat64stl_eid	VNET(nat64stl_eid)
52 #define	IPFW_TLV_NAT64STL_NAME	IPFW_TLV_EACTION_NAME(V_nat64stl_eid)
53 
54 int ipfw_nat64stl(struct ip_fw_chain *chain, struct ip_fw_args *args,
55     ipfw_insn *cmd, int *done);
56 
57 #endif
58 
59