ng_nat.h revision 169867 
1/*-
2 * Copyright 2005, Gleb Smirnoff <glebius@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/netgraph/ng_nat.h 169867 2007-05-22 12:23:39Z mav $
27 */
28
29#define NG_NAT_NODE_TYPE    "nat"
30#define NGM_NAT_COOKIE      1107718711
31
32#define	NG_NAT_HOOK_IN	"in"
33#define	NG_NAT_HOOK_OUT	"out"
34
35/* Arguments for NGM_NAT_SET_MODE message */
36struct ng_nat_mode {
37	uint32_t	flags;
38	uint32_t	mask;
39};
40
41/* Keep this in sync with the above structure definition */
42#define NG_NAT_MODE_INFO {				\
43	  { "flags",	&ng_parse_uint32_type	},	\
44	  { "mask",	&ng_parse_uint32_type	},	\
45	  { NULL }					\
46}
47
48#define NG_NAT_LOG			0x01
49#define NG_NAT_DENY_INCOMING		0x02
50#define NG_NAT_SAME_PORTS		0x04
51#define NG_NAT_UNREGISTERED_ONLY	0x10
52#define NG_NAT_RESET_ON_ADDR_CHANGE	0x20
53#define NG_NAT_PROXY_ONLY		0x40
54#define NG_NAT_REVERSE			0x80
55
56enum {
57	NGM_NAT_SET_IPADDR = 1,
58	NGM_NAT_SET_MODE,
59	NGM_NAT_SET_TARGET,
60};
61