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/*
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/*
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 * Copyright (c) 2008 Lukas Mejdrech
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 * Copyright (c) 2009 Lukas Mejdrech
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 * All rights reserved.
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 * All rights reserved.
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 *
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 *
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 * Redistribution and use in source and binary forms, with or without
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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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 * modification, are permitted provided that the following conditions
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 * are met:
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 * are met:
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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/** @addtogroup net
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/** @addtogroup ip
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 * @{
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 *  @{
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 */
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 */
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/**
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 * @file
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/** @file
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 * Interent protocol header and options definitions.
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 *  Internet protocol header and options definitions.
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 * Names according to the linux src/include/linux/ip.h header file.
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 *  Names according to the linux src/include/linux/ip.h header file.
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 */
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 */
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#ifndef __NET_IP_HEADER_H__
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#ifndef __NET_IP_HEADER_H__
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#define __NET_IP_HEADER_H__
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#define __NET_IP_HEADER_H__
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#include <byteorder.h>
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#include <byteorder.h>
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#include <types.h>
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#include <types.h>
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/** Type definition of the internet header.
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 *  @see ip_header
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 */
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typedef struct ip_header    ip_header_t;
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typedef struct ip_header    ip_header_t;
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/** Type definition of the internet header pointer.
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 *  @see ip_header
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 */
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typedef ip_header_t *       ip_header_ref;
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typedef ip_header_t *       ip_header_ref;
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- 
 
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/** Internet header.
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/** Internet header.
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 *  The variable options should be included after the header itself and indicated by the increased header length value.
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 *  The variable options should be included after the header itself and indicated by the increased header length value.
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 */
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 */
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struct ip_header{
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struct ip_header{
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#ifdef ARCH_IS_BIG_ENDIAN
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#ifdef ARCH_IS_BIG_ENDIAN
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};
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};
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#define IPTOS_TOS_MASK              0x1E
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#define IPTOS_TOS_MASK              0x1E
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#define IPTOS_PRECEDENCE_SHIFT      5
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#define IPTOS_PRECEDENCE_SHIFT      5
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#define IPTOS_DELAY_SHIFT           4
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#define IPTOS_DELAY_SHIFT           4
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#define IPTOS_TROUGHPUT_SHIFT       3
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#define IPTOS_THROUGHPUT_SHIFT      3
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#define IPTOS_RELIABILITY_SHIFT     2
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#define IPTOS_RELIABILITY_SHIFT     2
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#define IPTOS_COST_SHIFT            1
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#define IPTOS_COST_SHIFT            1
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#define IPTOS_NORMALDELAY           ( 0x0 << IPTOS_DELAY_SHIFT )
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#define IPTOS_NORMALDELAY           ( 0x0 << IPTOS_DELAY_SHIFT )
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#define IPTOS_LOWDELAY              ( 0x1 << IPTOS_DELAY_SHIFT )
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#define IPTOS_LOWDELAY              ( 0x1 << IPTOS_DELAY_SHIFT )