xref: /freebsd/sys/netgraph/ng_vlan.h (revision 1669d8afc64812c8d2d1d147ae1fd42ff441e1b1)
1 /*-
2  * Copyright (c) 2003 IPNET Internet Communication Company
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  * Author: Ruslan Ermilov <ru@FreeBSD.org>
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _NETGRAPH_NG_VLAN_H_
32 #define	_NETGRAPH_NG_VLAN_H_
33 
34 /* Node type name and magic cookie. */
35 #define	NG_VLAN_NODE_TYPE	"vlan"
36 #define	NGM_VLAN_COOKIE		1068486472
37 
38 /* Hook names. */
39 #define	NG_VLAN_HOOK_DOWNSTREAM	"downstream"
40 #define	NG_VLAN_HOOK_NOMATCH	"nomatch"
41 
42 /* Netgraph commands. */
43 enum {
44 	NGM_VLAN_ADD_FILTER = 1,
45 	NGM_VLAN_DEL_FILTER,
46 	NGM_VLAN_GET_TABLE
47 };
48 
49 /* For NGM_VLAN_ADD_FILTER control message. */
50 struct ng_vlan_filter {
51 	char		hook[NG_HOOKSIZ];
52 	u_int16_t	vlan;
53 };
54 
55 /* Keep this in sync with the above structure definition.  */
56 #define	NG_VLAN_FILTER_FIELDS	{				\
57 	{ "hook",	&ng_parse_hookbuf_type  },		\
58 	{ "vlan",	&ng_parse_uint16_type   },		\
59 	{ NULL }						\
60 }
61 
62 /* Structure returned by NGM_VLAN_GET_TABLE. */
63 struct ng_vlan_table {
64 	u_int32_t	n;
65 	struct ng_vlan_filter filter[];
66 };
67 
68 /* Keep this in sync with the above structure definition. */
69 #define	NG_VLAN_TABLE_FIELDS	{				\
70 	{ "n",		&ng_parse_uint32_type },		\
71 	{ "filter",	&ng_vlan_table_array_type },		\
72 	{ NULL }						\
73 }
74 
75 #endif /* _NETGRAPH_NG_VLAN_H_ */
76