ISC DHCP  4.3.3
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  */
41 struct 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 
53  u_int16_t ether_type;
54 };
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
u_int16_t ether_type
Definition: if_ether.h:53
u_int8_t ether_dhost[ETHER_ADDR_LEN]
Definition: if_ether.h:51
u_int8_t ether_addr_octet[6]
Definition: if_ether.h:42
#define ETHER_ADDR_LEN
Definition: if_ether.h:48
u_int8_t ether_shost[ETHER_ADDR_LEN]
Definition: if_ether.h:52