atm.h

TCPDUMP的C语言源代码,是在数据链路层的应用

/*
 * Copyright (c) 2002 Guy Harris.
 *                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, and (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.
 * The name of Guy Harris may not 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/atm.h,v 1.3 2006-02-08 01:43:00 hannes Exp $
 */

/*
 * Traffic types for ATM.
 */
#define ATM_UNKNOWN	0	/* Unknown */
#define ATM_LANE	1	/* LANE */
#define ATM_LLC		2	/* LLC encapsulation */

/*
 * some OAM cell captures (most notably Juniper's)
 * do not deliver a heading HEC byte
 */
#define ATM_OAM_NOHEC   0
#define ATM_OAM_HEC     1
#define ATM_HDR_LEN_NOHEC 4