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51369649b0
Mainly focus on files that use BSD 3-Clause license. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Special thanks to Wind River for providing access to "The Duke of Highlander" tool: an older (2014) run over FreeBSD tree was useful as a starting point.
72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (C) 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $KAME: pim6.h,v 1.3 2000/03/25 07:23:58 sumikawa Exp $
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* $FreeBSD$
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*/
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/*
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* Protocol Independent Multicast (PIM) definitions
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*
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* Written by Ahmed Helmy, SGI, July 1996
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*
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* MULTICAST
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*/
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/*
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* PIM packet header
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*/
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#define PIM_VERSION 2
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struct pim {
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#if defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
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u_char pim_type:4, /* the PIM message type, currently they are:
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* Hello, Register, Register-Stop, Join/Prune,
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* Bootstrap, Assert, Graft (PIM-DM only),
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* Graft-Ack (PIM-DM only), C-RP-Adv
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*/
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pim_ver:4; /* PIM version number; 2 for PIMv2 */
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#else
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u_char pim_ver:4, /* PIM version */
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pim_type:4; /* PIM type */
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#endif
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u_char pim_rsv; /* Reserved */
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u_short pim_cksum; /* IP style check sum */
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};
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#define PIM_MINLEN 8 /* The header min. length is 8 */
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#define PIM6_REG_MINLEN (PIM_MINLEN+40) /* Register message + inner IP6 header */
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/*
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* Message types
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*/
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#define PIM_REGISTER 1 /* PIM Register type is 1 */
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/* second bit in reg_head is the null bit */
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#define PIM_NULL_REGISTER 0x40000000
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