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