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83 lines
2.8 KiB
83 lines
2.8 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2017.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaims all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Header file for ICMP.c.
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*/
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#ifndef _ICMP_H_
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#define _ICMP_H_
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/* Includes: */
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#include <avr/io.h>
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#include <string.h>
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#include "EthernetProtocols.h"
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#include "Ethernet.h"
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#include "ProtocolDecoders.h"
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/* Macros: */
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/** ICMP message type constant, indicating an ICMP ECHO Reply message. */
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#define ICMP_TYPE_ECHOREPLY 0
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/** ICMP message type constant, indicating a packet destination is unreachable. */
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#define ICMP_TYPE_DESTINATIONUNREACHABLE 3
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/** ICMP message type constant, indicating an ICMP Source Quench message. */
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#define ICMP_TYPE_SOURCEQUENCH 4
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/** ICMP message type constant, indicating an ICMP Redirect message. */
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#define ICMP_TYPE_REDIRECTMESSAGE 5
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/** ICMP message type constant, indicating an ICMP ECHO Request message. */
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#define ICMP_TYPE_ECHOREQUEST 8
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/** ICMP message type constant, indicating an ICMP Time Exceeded message. */
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#define ICMP_TYPE_TIMEEXCEEDED 11
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/* Type Defines: */
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/** Type define for an ICMP message header. */
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typedef struct
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{
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uint8_t Type; /**< ICMP message type, an \c ICMP_TYPE_* constant */
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uint8_t Code; /**< ICMP message code, indicating the message value */
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uint16_t Checksum; /**< Ethernet checksum of the ICMP message */
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uint16_t Id; /**< Id of the ICMP message */
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uint16_t Sequence; /**< Sequence number of the ICMP message, to link together message responses */
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} ICMP_Header_t;
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/* Function Prototypes: */
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int16_t ICMP_ProcessICMPPacket(void* InDataStart,
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void* OutDataStart);
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#endif
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