1 /* 2 * Copyright (c) 1982, 1989 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 * 17 * @(#)if_types.h 7.1 (Berkeley) 09/04/89 18 */ 19 20 21 /* interface types for benefit of parsing media address headers */ 22 #define IFT_LOOP 0x1 /* loopback */ 23 #define IFT_XETHER 0x2 /* old 3MBaud experimental ethernet */ 24 #define IFT_ETHER 0x3 /* 802.3 */ 25 #define IFT_IMP 0x4 /* Arpanet imp interface */ 26 #define IFT_P8010 0x5 /* Pronet 10/Pronet 80 */ 27 #define IFT_EON 0x6 /* ISO over IP */ 28 #define IFT_HY 0x7 /* Hyperchannel */ 29