1 /*!\file net/ethertyp.h
2 * Ethernet protocol types.
5 /* $NetBSD: ethertypes.h,v 1.2 1997/03/15 18:12:19 is Exp $ */
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39 * @(#)if_ether.h 8.1 (Berkeley) 6/10/93
43 * Ethernet protocol types.
45 * According to "assigned numbers", the Ethernet protocol numbers are also
46 * used as ARP protocol type numbers.
48 * I factor them out here to avoid pulling all the Ethernet header file
49 * into the hardware independent ARP code. -is
52 #ifndef __NET_ETHERTYPE_H
53 #define __NET_ETHERTYPE_H
55 #define ETHERTYPE_PUP 0x0200 /* PUP protocol */
56 #define ETHERTYPE_IP 0x0800 /* IP protocol */
57 #define ETHERTYPE_ARP 0x0806 /* address resolution protocol */
58 #define ETHERTYPE_REVARP 0x8035 /* reverse addr resolution protocol */
61 * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have
62 * (type-ETHERTYPE_TRAIL)*512 bytes of data followed
63 * by an ETHER type (as given above) and then the (variable-length) header.
65 #define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */
66 #define ETHERTYPE_NTRAILER 16