| | 1 | /* @(#) $Header: /tcpdump/master/tcpdump/token.h,v 1.6 2002/12/11 07:14:12 guy Exp $ (LBL) */ |
| | 2 | /* |
| | 3 | * Copyright (c) 1998, Larry Lile |
| | 4 | * All rights reserved. |
| | 5 | * |
| | 6 | * Redistribution and use in source and binary forms, with or without |
| | 7 | * modification, are permitted provided that the following conditions |
| | 8 | * are met: |
| | 9 | * 1. Redistributions of source code must retain the above copyright |
| | 10 | * notice unmodified, this list of conditions, and the following |
| | 11 | * disclaimer. |
| | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 13 | * notice, this list of conditions and the following disclaimer in the |
| | 14 | * documentation and/or other materials provided with the distribution. |
| | 15 | * |
| | 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| | 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| | 20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 26 | * SUCH DAMAGE. |
| | 27 | * |
| | 28 | */ |
| | 29 | |
| | 30 | #define TOKEN_HDRLEN 14 |
| | 31 | #define TOKEN_RING_MAC_LEN 6 |
| | 32 | #define ROUTING_SEGMENT_MAX 16 |
| | 33 | #define IS_SOURCE_ROUTED(trp) ((trp)->token_shost[0] & 0x80) |
| | 34 | #define FRAME_TYPE(trp) (((trp)->token_fc & 0xC0) >> 6) |
| | 35 | #define TOKEN_FC_LLC 1 |
| | 36 | |
| | 37 | #define BROADCAST(trp) ((ntohs((trp)->token_rcf) & 0xE000) >> 13) |
| | 38 | #define RIF_LENGTH(trp) ((ntohs((trp)->token_rcf) & 0x1f00) >> 8) |
| | 39 | #define DIRECTION(trp) ((ntohs((trp)->token_rcf) & 0x0080) >> 7) |
| | 40 | #define LARGEST_FRAME(trp) ((ntohs((trp)->token_rcf) & 0x0070) >> 4) |
| | 41 | #define RING_NUMBER(trp, x) ((ntohs((trp)->token_rseg[x]) & 0xfff0) >> 4) |
| | 42 | #define BRIDGE_NUMBER(trp, x) ((ntohs((trp)->token_rseg[x]) & 0x000f)) |
| | 43 | #define SEGMENT_COUNT(trp) ((int)((RIF_LENGTH(trp) - 2) / 2)) |
| | 44 | |
| | 45 | struct token_header { |
| | 46 | u_int8_t token_ac; |
| | 47 | u_int8_t token_fc; |
| | 48 | u_int8_t token_dhost[TOKEN_RING_MAC_LEN]; |
| | 49 | u_int8_t token_shost[TOKEN_RING_MAC_LEN]; |
| | 50 | u_int16_t token_rcf; |
| | 51 | u_int16_t token_rseg[ROUTING_SEGMENT_MAX]; |
| | 52 | }; |
projects / dragonfly.git / blame_incremental