nexmon – Blame information for rev 1
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| 1 | office | 1 | /* |
| 2 | * Copyright (C) 2001 WIDE Project. All rights reserved. |
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| 3 | * |
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| 4 | * Redistribution and use in source and binary forms, with or without |
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| 5 | * modification, are permitted provided that the following conditions |
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| 6 | * are met: |
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| 7 | * 1. Redistributions of source code must retain the above copyright |
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| 8 | * notice, this list of conditions and the following disclaimer. |
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| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer in the |
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| 11 | * documentation and/or other materials provided with the distribution. |
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| 12 | * 3. Neither the name of the project nor the names of its contributors |
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| 13 | * may be used to endorse or promote products derived from this software |
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| 14 | * without specific prior written permission. |
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| 15 | * |
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
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| 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
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| 20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 26 | * SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #define LABEL_MASK 0xfffff000 |
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| 30 | #define LABEL_SHIFT 12 |
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| 31 | #define EXP_MASK 0x00000e00 |
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| 32 | #define EXP_SHIFT 9 |
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| 33 | #define STACK_MASK 0x00000100 |
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| 34 | #define STACK_SHIFT 8 |
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| 35 | #define TTL_MASK 0x000000ff |
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| 36 | #define TTL_SHIFT 0 |
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| 37 | |||
| 38 | #define MPLS_LABEL(x) (((x) & LABEL_MASK) >> LABEL_SHIFT) |
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| 39 | #define MPLS_EXP(x) (((x) & EXP_MASK) >> EXP_SHIFT) |
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| 40 | #define MPLS_STACK(x) (((x) & STACK_MASK) >> STACK_SHIFT) |
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| 41 | #define MPLS_TTL(x) (((x) & TTL_MASK) >> TTL_SHIFT) |