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Diffstat (limited to 'freebsd/contrib/tcpdump/fddi.h')
| -rw-r--r-- | freebsd/contrib/tcpdump/fddi.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/fddi.h b/freebsd/contrib/tcpdump/fddi.h new file mode 100644 index 00000000..df38c8e9 --- /dev/null +++ b/freebsd/contrib/tcpdump/fddi.h @@ -0,0 +1,76 @@ +/* + * Copyright (c) 1992, 1993, 1994, 1995, 1996 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that: (1) source code distributions + * retain the above copyright notice and this paragraph in its entirety, (2) + * distributions including binary code include the above copyright notice and + * this paragraph in its entirety in the documentation or other materials + * provided with the distribution, and (3) all advertising materials mentioning + * features or use of this software display the following acknowledgement: + * ``This product includes software developed by the University of California, + * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of + * the University nor the names of its contributors may be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * + * @(#) $Header: /tcpdump/master/tcpdump/fddi.h,v 1.11 2002-12-11 07:13:51 guy Exp $ (LBL) + */ + +/* + * Based on Ultrix if_fddi.h + */ + +/* + * This stuff should come from a system header file, but there's no + * obviously portable way to do that and it's not really going + * to change from system to system (except for the padding business). + */ + +struct fddi_header { + u_char fddi_fc; /* frame control */ + u_char fddi_dhost[6]; + u_char fddi_shost[6]; +}; + +/* + * Length of an FDDI header; note that some compilers may pad + * "struct fddi_header" to a multiple of 4 bytes, for example, so + * "sizeof (struct fddi_header)" may not give the right + * answer. + */ +#define FDDI_HDRLEN 13 + +/* Useful values for fddi_fc (frame control) field */ + +/* + * FDDI Frame Control bits + */ +#define FDDIFC_C 0x80 /* Class bit */ +#define FDDIFC_L 0x40 /* Address length bit */ +#define FDDIFC_F 0x30 /* Frame format bits */ +#define FDDIFC_Z 0x0f /* Control bits */ + +/* + * FDDI Frame Control values. (48-bit addressing only). + */ +#define FDDIFC_VOID 0x40 /* Void frame */ +#define FDDIFC_NRT 0x80 /* Nonrestricted token */ +#define FDDIFC_RT 0xc0 /* Restricted token */ +#define FDDIFC_SMT_INFO 0x41 /* SMT Info */ +#define FDDIFC_SMT_NSA 0x4F /* SMT Next station adrs */ +#define FDDIFC_MAC_BEACON 0xc2 /* MAC Beacon frame */ +#define FDDIFC_MAC_CLAIM 0xc3 /* MAC Claim frame */ +#define FDDIFC_LLC_ASYNC 0x50 /* Async. LLC frame */ +#define FDDIFC_LLC_SYNC 0xd0 /* Sync. LLC frame */ +#define FDDIFC_IMP_ASYNC 0x60 /* Implementor Async. */ +#define FDDIFC_IMP_SYNC 0xe0 /* Implementor Synch. */ +#define FDDIFC_SMT 0x40 /* SMT frame */ +#define FDDIFC_MAC 0xc0 /* MAC frame */ + +#define FDDIFC_CLFF 0xF0 /* Class/Length/Format bits */ +#define FDDIFC_ZZZZ 0x0F /* Control bits */ |