The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1992, 1993, 1994, 1995, 1996 |
| 3 | * The Regents of the University of California. All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that: (1) source code distributions |
| 7 | * retain the above copyright notice and this paragraph in its entirety, (2) |
| 8 | * distributions including binary code include the above copyright notice and |
| 9 | * this paragraph in its entirety in the documentation or other materials |
| 10 | * provided with the distribution, and (3) all advertising materials mentioning |
| 11 | * features or use of this software display the following acknowledgement: |
| 12 | * ``This product includes software developed by the University of California, |
| 13 | * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| 14 | * the University nor the names of its contributors may be used to endorse |
| 15 | * or promote products derived from this software without specific prior |
| 16 | * written permission. |
| 17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 20 | * |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 21 | * @(#) $Header: /tcpdump/master/tcpdump/fddi.h,v 1.11 2002-12-11 07:13:51 guy Exp $ (LBL) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * Based on Ultrix if_fddi.h |
| 26 | */ |
| 27 | |
| 28 | /* |
| 29 | * This stuff should come from a system header file, but there's no |
| 30 | * obviously portable way to do that and it's not really going |
| 31 | * to change from system to system (except for the padding business). |
| 32 | */ |
| 33 | |
| 34 | struct fddi_header { |
| 35 | u_char fddi_fc; /* frame control */ |
| 36 | u_char fddi_dhost[6]; |
| 37 | u_char fddi_shost[6]; |
| 38 | }; |
| 39 | |
| 40 | /* |
| 41 | * Length of an FDDI header; note that some compilers may pad |
| 42 | * "struct fddi_header" to a multiple of 4 bytes, for example, so |
| 43 | * "sizeof (struct fddi_header)" may not give the right |
| 44 | * answer. |
| 45 | */ |
| 46 | #define FDDI_HDRLEN 13 |
| 47 | |
| 48 | /* Useful values for fddi_fc (frame control) field */ |
| 49 | |
| 50 | /* |
| 51 | * FDDI Frame Control bits |
| 52 | */ |
| 53 | #define FDDIFC_C 0x80 /* Class bit */ |
| 54 | #define FDDIFC_L 0x40 /* Address length bit */ |
| 55 | #define FDDIFC_F 0x30 /* Frame format bits */ |
| 56 | #define FDDIFC_Z 0x0f /* Control bits */ |
| 57 | |
| 58 | /* |
| 59 | * FDDI Frame Control values. (48-bit addressing only). |
| 60 | */ |
| 61 | #define FDDIFC_VOID 0x40 /* Void frame */ |
| 62 | #define FDDIFC_NRT 0x80 /* Nonrestricted token */ |
| 63 | #define FDDIFC_RT 0xc0 /* Restricted token */ |
| 64 | #define FDDIFC_SMT_INFO 0x41 /* SMT Info */ |
| 65 | #define FDDIFC_SMT_NSA 0x4F /* SMT Next station adrs */ |
| 66 | #define FDDIFC_MAC_BEACON 0xc2 /* MAC Beacon frame */ |
| 67 | #define FDDIFC_MAC_CLAIM 0xc3 /* MAC Claim frame */ |
| 68 | #define FDDIFC_LLC_ASYNC 0x50 /* Async. LLC frame */ |
| 69 | #define FDDIFC_LLC_SYNC 0xd0 /* Sync. LLC frame */ |
| 70 | #define FDDIFC_IMP_ASYNC 0x60 /* Implementor Async. */ |
| 71 | #define FDDIFC_IMP_SYNC 0xe0 /* Implementor Synch. */ |
| 72 | #define FDDIFC_SMT 0x40 /* SMT frame */ |
| 73 | #define FDDIFC_MAC 0xc0 /* MAC frame */ |
| 74 | |
| 75 | #define FDDIFC_CLFF 0xF0 /* Class/Length/Format bits */ |
| 76 | #define FDDIFC_ZZZZ 0x0F /* Control bits */ |