ISC DHCP 4.4.3-P1
A reference DHCPv4 and DHCPv6 implementation
 
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if_ether.h
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1/* $NetBSD: if_ether.h,v 1.20 1995/06/12 00:47:27 mycroft Exp $ */
2
3/*
4 * Copyright (c) 1982, 1986, 1993
5 * The Regents of the University of California. 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, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)if_ether.h 8.1 (Berkeley) 6/10/93
32 */
33
34#ifndef netinet_if_ether_h
35#define netinet_if_ether_h
36
37/*
38 * Ethernet address - 6 octets
39 * this is only used by the ethers(3) functions.
40 */
41struct ether_addr {
42 u_int8_t ether_addr_octet[6];
43};
44
45/*
46 * Structure of a 10Mb/s Ethernet header.
47 */
48#define ETHER_ADDR_LEN 6
49
55
56#define ETHERTYPE_PUP 0x0200 /* PUP protocol */
57#define ETHERTYPE_IP 0x0800 /* IP protocol */
58#define ETHERTYPE_ARP 0x0806 /* address resolution protocol */
59
60#define ETHER_HEADER_SIZE (ETHER_ADDR_LEN * 2 + sizeof (u_int16_t))
61
62#endif
#define ETHER_ADDR_LEN
Definition if_ether.h:48
u_int8_t ether_addr_octet[6]
Definition if_ether.h:42
u_int8_t ether_shost[ETHER_ADDR_LEN]
Definition if_ether.h:52
u_int8_t ether_dhost[ETHER_ADDR_LEN]
Definition if_ether.h:51
u_int16_t ether_type
Definition if_ether.h:53