mirror of https://github.com/apache/cloudstack.git
84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
/*
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* Copyright (C) 2004, 2005 Mike Wray <mike.wray@hp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free software Foundation, Inc.,
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* 59 Temple Place, suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef _VNET_IF_ETHERIP_H_
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#define _VNET_IF_ETHERIP_H_
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#ifdef __KERNEL__
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#include <asm/byteorder.h>
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#else
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#define __KERNEL__
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/* This include may cause a compile warning, which can be ignored.
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* Can't use <endian.h> because it doesn't define
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*__LITTLE_ENDIAN_BITFIELD or __BIG_ENDIAN_BITFIELD.
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*/
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#include <asm/byteorder.h>
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#undef __KERNEL__
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#endif
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#include <if_varp.h>
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#define CONFIG_ETHERIP_EXT
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#ifdef CONFIG_ETHERIP_EXT
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/* Extended header with room for a longer vnet id. */
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#define ETHERIP_VERSION 4
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struct etheriphdr {
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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__u16 reserved:12,
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version:4;
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#elif defined (__BIG_ENDIAN_BITFIELD)
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__u16 version:4,
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reserved:12;
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#else
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#error "Adjust your <asm/byteorder.h> defines"
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#endif
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__u8 vnet[VNETID_SIZE8];
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} __attribute__ ((packed));
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#else
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/* Original header as in Etherip RFC. */
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#define ETHERIP_VERSION 3
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struct etheriphdr
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{
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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__u16 reserved:12,
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version:4;
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#elif defined (__BIG_ENDIAN_BITFIELD)
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__u16 version:4,
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reserved:12;
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#else
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#error "Adjust your <asm/byteorder.h> defines"
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#endif
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};
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#endif
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#ifndef IPPROTO_ETHERIP
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#define IPPROTO_ETHERIP 97
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#endif
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#endif /* ! _VNET_IF_ETHERIP_H_ */
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