nat64stl.h revision 332768 
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: stable/11/sys/netpfil/ipfw/nat64/nat64stl.h 332768 2018-04-19 10:16:39Z ae $
28 */
29
30#ifndef	_IP_FW_NAT64STL_H_
31#define	_IP_FW_NAT64STL_H_
32
33struct nat64stl_cfg {
34	struct named_object	no;
35
36	uint16_t		map64;	/* table with 6to4 mapping */
37	uint16_t		map46;	/* table with 4to6 mapping */
38
39	struct in6_addr		prefix6;/* IPv6 prefix */
40	uint8_t			plen6;	/* prefix length */
41	uint32_t		flags;	/* flags for internal use */
42#define	NAT64STL_KIDX		0x0100
43#define	NAT64STL_46T		0x0200
44#define	NAT64STL_64T		0x0400
45#define	NAT64STL_FLAGSMASK	(NAT64_LOG) /* flags to pass to userland */
46	char			name[64];
47	nat64_stats_block	stats;
48};
49
50VNET_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
54int ipfw_nat64stl(struct ip_fw_chain *chain, struct ip_fw_args *args,
55    ipfw_insn *cmd, int *done);
56
57#endif
58
59