ng_eiface.h revision 122481 
1/*
2 * ng_eiface.h
3 *
4 * Copyright (c) 1999-2001, Vitaly V Belekhov
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice unmodified, this list of conditions, and the following
12 *    disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * 	$FreeBSD: head/sys/netgraph/ng_eiface.h 122481 2003-11-11 12:30:37Z ru $
30 */
31
32#ifndef _NETGRAPH_NG_EIFACE_H_
33#define _NETGRAPH_NG_EIFACE_H_
34
35/* Node type name and magic cookie */
36#define NG_EIFACE_NODE_TYPE		"eiface"
37#define NGM_EIFACE_COOKIE		948105892
38
39/* Interface base name */
40#define NG_EIFACE_EIFACE_NAME		"nge"
41#define NG_EIFACE_EIFACE_NAME_MAX	15
42
43/* My hook names */
44#define NG_EIFACE_HOOK_ETHER		"ether"
45
46/* MTU bounds */
47#define NG_EIFACE_MTU_MIN		72
48#define NG_EIFACE_MTU_MAX		2312
49#define NG_EIFACE_MTU_DEFAULT		1500
50
51/* Netgraph commands */
52enum {
53	NGM_EIFACE_GET_IFNAME = 1,	/* returns struct ng_eiface_ifname */
54	NGM_EIFACE_GET_IFADDRS,		/* returns list of addresses */
55	NGM_EIFACE_SET,			/* set ethernet address */
56};
57
58struct ng_eiface_ifname {
59	char    ngif_name[NG_EIFACE_EIFACE_NAME_MAX + 1];
60};
61
62struct ng_eiface_par {
63    u_char oct0;
64    u_char oct1;
65    u_char oct2;
66    u_char oct3;
67    u_char oct4;
68    u_char oct5;
69};
70
71/* Keep this in sync with the above structure definition */
72#define NG_EIFACE_PAR_FIELDS	{				\
73    { "oct0",		&ng_parse_int8_type	},		\
74    { "oct1",		&ng_parse_int8_type	},		\
75    { "oct2",		&ng_parse_int8_type	},		\
76    { "oct3",		&ng_parse_int8_type	},		\
77    { "oct4",		&ng_parse_int8_type	},		\
78    { "oct5",		&ng_parse_int8_type	},		\
79    { NULL }							\
80}
81
82#endif /* _NETGRAPH_NG_EIFACE_H_ */
83