usr/src/sys/net/if_types.h

/*
 * Copyright (c) 1989 Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)if_types.h  7.3 (Berkeley) %G%
 */


/* interface types for benefit of parsing media address headers */
#define IFT_OTHER       0x1             /* none of the following */
#define IFT_1822        0x2             /* old-style arpanet imp */
#define IFT_HDH1822     0x3             /* HDH arpanet imp */
#define IFT_X25DDN      0x4             /* x25 to imp */
#define IFT_X25         0x5             /* PDN X25 interface */
#define IFT_ETHER       0x6             /* Ethernet I or II */
#define IFT_ISO88023    0x7             /* CMSA CD */
#define IFT_ISO88024    0x8             /* Token Bus */
#define IFT_ISO88025    0x9             /* Token Ring */
#define IFT_ISO88026    0xa             /* MAN */
#define IFT_STARLAN     0xb
#define IFT_P10         0xc             /* Proteon 10MBit ring */
#define IFT_P80         0xd             /* Proteon 10MBit ring */
#define IFT_HY          0xe             /* Hyperchannel */
#define IFT_FDDI        0xf
#define IFT_LAPB        0x10
#define IFT_SDLC        0x11
#define IFT_T1          0x12
#define IFT_CEPT        0x13
#define IFT_ISDNBASIC   0x14
#define IFT_ISDNPRIMARY 0x15
#define IFT_PTPSERIAL   0x16
#define IFT_LOOP        0x18            /* loopback */
#define IFT_EON         0x19            /* ISO over IP */
#define IFT_XETHER      0x1a            /* obsolete 3MB experimental ethernet */
#define IFT_NSIP        0x1b            /* XNS over IP */
#define IFT_SLIP        0x1c            /* IP over generic TTY */