projects / dragonfly.git / blame
| Commit | Line | Data |
|---|---|---|
| c8cf0f94 PA |
1 | /* @(#) $Header: /tcpdump/master/tcpdump/mpls.h,v 1.1 2004/06/14 14:47:58 hannes Exp $ (LBL) |
| 2 | * Copyright (C) 2001 WIDE Project. All rights reserved. | |
| 3 | * | |
| 4 | * Redistribution and use in source and binary forms, with or without | |
| 5 | * modification, are permitted provided that the following conditions | |
| 6 | * are met: | |
| 7 | * 1. Redistributions of source code must retain the above copyright | |
| 8 | * notice, this list of conditions and the following disclaimer. | |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 | * notice, this list of conditions and the following disclaimer in the | |
| 11 | * documentation and/or other materials provided with the distribution. | |
| 12 | * 3. Neither the name of the project nor the names of its contributors | |
| 13 | * may be used to endorse or promote products derived from this software | |
| 14 | * without specific prior written permission. | |
| 15 | * | |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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 | #define LABEL_MASK 0xfffff000 | |
| 30 | #define LABEL_SHIFT 12 | |
| 31 | #define EXP_MASK 0x00000e00 | |
| 32 | #define EXP_SHIFT 9 | |
| 33 | #define STACK_MASK 0x00000100 | |
| 34 | #define STACK_SHIFT 8 | |
| 35 | #define TTL_MASK 0x000000ff | |
| 36 | #define TTL_SHIFT 0 | |
| 37 | ||
| 38 | #define MPLS_LABEL(x) (((x) & LABEL_MASK) >> LABEL_SHIFT) | |
| 39 | #define MPLS_EXP(x) (((x) & EXP_MASK) >> EXP_SHIFT) | |
| 40 | #define MPLS_STACK(x) (((x) & STACK_MASK) >> STACK_SHIFT) | |
| 41 | #define MPLS_TTL(x) (((x) & TTL_MASK) >> TTL_SHIFT) |