xref: /netbsd-src/sys/net/dlt.h (revision d710132b4b8ce7f7cccaaf660cb16aa16b4077a0)
1 /*	$NetBSD: dlt.h,v 1.5 2003/04/17 22:55:29 salo Exp $	*/
2 
3 /*
4  * Copyright (c) 1990, 1991, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from the Stanford/CMU enet packet filter,
8  * (net/enet.c) distributed as part of 4.3BSD, and code contributed
9  * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
10  * Berkeley Laboratory.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *	This product includes software developed by the University of
23  *	California, Berkeley and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  *
40  *	@(#)bpf.h	8.2 (Berkeley) 1/9/95
41  * @(#) Header: bpf.h,v 1.36 97/06/12 14:29:53 leres Exp  (LBL)
42  */
43 
44 #ifndef _NET_DLT_H_
45 #define _NET_DLT_H_
46 
47 /*
48  * Data-link level type codes.
49  */
50 #define DLT_NULL	0	/* no link-layer encapsulation */
51 #define DLT_EN10MB	1	/* Ethernet (10Mb) */
52 #define DLT_EN3MB	2	/* Experimental Ethernet (3Mb) */
53 #define DLT_AX25	3	/* Amateur Radio AX.25 */
54 #define DLT_PRONET	4	/* Proteon ProNET Token Ring */
55 #define DLT_CHAOS	5	/* Chaos */
56 #define DLT_IEEE802	6	/* IEEE 802 Networks */
57 #define DLT_ARCNET	7	/* ARCNET */
58 #define DLT_SLIP	8	/* Serial Line IP */
59 #define DLT_PPP		9	/* Point-to-point Protocol */
60 #define DLT_FDDI	10	/* FDDI */
61 #define DLT_ATM_RFC1483	11	/* LLC/SNAP encapsulated atm */
62 #define DLT_RAW		12	/* raw IP */
63 #define DLT_SLIP_BSDOS	13	/* BSD/OS Serial Line IP */
64 #define DLT_PPP_BSDOS	14	/* BSD/OS Point-to-point Protocol */
65 #define DLT_HIPPI	15	/* HIPPI */
66 #define DLT_HDLC	16	/* HDLC framing */
67 
68 /* NetBSD-specific types */
69 #define	DLT_PPP_SERIAL	50	/* PPP over serial (async and sync) */
70 #define	DLT_PPP_ETHER	51	/* XXX - deprecated! PPP over Ethernet; session only, w/o ether header */
71 
72 #define DLT_IEEE802_11		105	/* IEEE 802.11 wireless */
73 #define DLT_ECONET		115	/* Acorn Econet */
74 #define DLT_PRISM_HEADER	119	/* 802.11 header plus Prism II info. */
75 #define DLT_AIRONET_HEADER 	120	/* 802.11 header plus Aironet info. */
76 
77 /*
78  * NetBSD-specific generic "raw" link type.  The upper 16-bits indicate
79  * that this is the generic raw type, and the lower 16-bits are the
80  * address family we're dealing with.
81  */
82 #define	DLT_RAWAF_MASK		0x02240000
83 #define	DLT_RAWAF(af)		(DLT_RAWAF_MASK | (af))
84 #define	DLT_RAWAF_AF(x)		((x) & 0x0000ffff)
85 #define	DLT_IS_RAWAF(x)		(((x) & 0xffff0000) == DLT_RAWAF_MASK)
86 
87 #endif /* _NET_DLT_H_ */
88