1190207Srpaulo/* @(#) $Header: /tcpdump/master/tcpdump/token.h,v 1.6 2002-12-11 07:14:12 guy Exp $ (LBL) */ 244165Sjulian/* 344165Sjulian * Copyright (c) 1998, Larry Lile 444165Sjulian * All rights reserved. 544165Sjulian * 644165Sjulian * Redistribution and use in source and binary forms, with or without 744165Sjulian * modification, are permitted provided that the following conditions 844165Sjulian * are met: 944165Sjulian * 1. Redistributions of source code must retain the above copyright 1044165Sjulian * notice unmodified, this list of conditions, and the following 1144165Sjulian * disclaimer. 1244165Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1344165Sjulian * notice, this list of conditions and the following disclaimer in the 1444165Sjulian * documentation and/or other materials provided with the distribution. 1544165Sjulian * 1644165Sjulian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1744165Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1844165Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1944165Sjulian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2044165Sjulian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2144165Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2244165Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2344165Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2444165Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2544165Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2644165Sjulian * SUCH DAMAGE. 2744165Sjulian * 2898527Sfenner * $FreeBSD$ 2944165Sjulian */ 3044165Sjulian 3198527Sfenner#define TOKEN_HDRLEN 14 3298527Sfenner#define TOKEN_RING_MAC_LEN 6 3398527Sfenner#define ROUTING_SEGMENT_MAX 16 3498527Sfenner#define IS_SOURCE_ROUTED(trp) ((trp)->token_shost[0] & 0x80) 3598527Sfenner#define FRAME_TYPE(trp) (((trp)->token_fc & 0xC0) >> 6) 3698527Sfenner#define TOKEN_FC_LLC 1 3744165Sjulian 38214478Srpaulo#define BROADCAST(trp) ((EXTRACT_16BITS(&(trp)->token_rcf) & 0xE000) >> 13) 39214478Srpaulo#define RIF_LENGTH(trp) ((EXTRACT_16BITS(&(trp)->token_rcf) & 0x1f00) >> 8) 40214478Srpaulo#define DIRECTION(trp) ((EXTRACT_16BITS(&(trp)->token_rcf) & 0x0080) >> 7) 41214478Srpaulo#define LARGEST_FRAME(trp) ((EXTRACT_16BITS(&(trp)->token_rcf) & 0x0070) >> 4) 42214478Srpaulo#define RING_NUMBER(trp, x) ((EXTRACT_16BITS(&(trp)->token_rseg[x]) & 0xfff0) >> 4) 43214478Srpaulo#define BRIDGE_NUMBER(trp, x) ((EXTRACT_16BITS(&(trp)->token_rseg[x]) & 0x000f)) 44127675Sbms#define SEGMENT_COUNT(trp) ((int)((RIF_LENGTH(trp) - 2) / 2)) 4550514Slile 4644165Sjulianstruct token_header { 4798527Sfenner u_int8_t token_ac; 4898527Sfenner u_int8_t token_fc; 4998527Sfenner u_int8_t token_dhost[TOKEN_RING_MAC_LEN]; 5098527Sfenner u_int8_t token_shost[TOKEN_RING_MAC_LEN]; 5198527Sfenner u_int16_t token_rcf; 5298527Sfenner u_int16_t token_rseg[ROUTING_SEGMENT_MAX]; 5344165Sjulian}; 54