NetBSD/sys/net/dlt.h

85 lines
3.6 KiB
C

/* $NetBSD: dlt.h,v 1.3 2001/09/10 23:11:06 bjh21 Exp $ */
/*
* Copyright (c) 1990, 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from the Stanford/CMU enet packet filter,
* (net/enet.c) distributed as part of 4.3BSD, and code contributed
* to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
* Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)bpf.h 8.2 (Berkeley) 1/9/95
* @(#) Header: bpf.h,v 1.36 97/06/12 14:29:53 leres Exp (LBL)
*/
#ifndef _NET_DLT_H_
#define _NET_DLT_H_
/*
* Data-link level type codes.
*/
#define DLT_NULL 0 /* no link-layer encapsulation */
#define DLT_EN10MB 1 /* Ethernet (10Mb) */
#define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */
#define DLT_AX25 3 /* Amateur Radio AX.25 */
#define DLT_PRONET 4 /* Proteon ProNET Token Ring */
#define DLT_CHAOS 5 /* Chaos */
#define DLT_IEEE802 6 /* IEEE 802 Networks */
#define DLT_ARCNET 7 /* ARCNET */
#define DLT_SLIP 8 /* Serial Line IP */
#define DLT_PPP 9 /* Point-to-point Protocol */
#define DLT_FDDI 10 /* FDDI */
#define DLT_ATM_RFC1483 11 /* LLC/SNAP encapsulated atm */
#define DLT_RAW 12 /* raw IP */
#define DLT_SLIP_BSDOS 13 /* BSD/OS Serial Line IP */
#define DLT_PPP_BSDOS 14 /* BSD/OS Point-to-point Protocol */
#define DLT_HIPPI 15 /* HIPPI */
#define DLT_HDLC 16 /* HDLC framing */
/* NetBSD-specific types */
#define DLT_PPP_SERIAL 50 /* PPP over serial (async and sync) */
#define DLT_PPP_ETHER 51 /* XXX - depreceated! PPP over Ethernet; session only, w/o ether header */
#define DLT_ECONET 115 /* Acorn Econet */
/*
* NetBSD-specific generic "raw" link type. The upper 16-bits indicate
* that this is the generic raw type, and the lower 16-bits are the
* address family we're dealing with.
*/
#define DLT_RAWAF_MASK 0x02240000
#define DLT_RAWAF(af) (DLT_RAWAF_MASK | (af))
#define DLT_RAWAF_AF(x) ((x) & 0x0000ffff)
#define DLT_IS_RAWAF(x) (((x) & 0xffff0000) == DLT_RAWAF_MASK)
#endif /* _NET_DLT_H_ */