usr/src/sys/net/if_types.h

/*
 * Copyright (c) 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)if_types.h  8.1 (Berkeley) %G%
 */


/*
 * Interface types for benefit of parsing media address headers.
 * This list is derived from the SNMP list of ifTypes, currently
 * documented in RFC1123.
 */

#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 (RFC877) */
#define IFT_ETHER       0x6             /* Ethernet CSMACD */
#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            /* E1 - european T1 */
#define IFT_ISDNBASIC   0x14
#define IFT_ISDNPRIMARY 0x15
#define IFT_PTPSERIAL   0x16            /* Proprietary PTP serial */
#define IFT_PPP         0x17            /* RFC 1331 */
#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 */
#define IFT_ULTRA       0x1d            /* Ultra Technologies */
#define IFT_DS3         0x1e            /* Generic T3 */
#define IFT_SIP         0x1f            /* SMDS */
#define IFT_FRELAY      0x20            /* Frame Relay */
#define IFT_RS232       0x21            /* Used elsewhere by SNMP as index */