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+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, provided that the above copyright notice appear in all
+ copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Header file for ICMP.c.
+ */
+
+#ifndef _ICMP_H_
+#define _ICMP_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <string.h>
+
+ #include "EthernetProtocols.h"
+ #include "Ethernet.h"
+ #include "ProtocolDecoders.h"
+
+ /* Macros: */
+ /** ICMP message type constant, indicating an ICMP ECHO Reply message */
+ #define ICMP_TYPE_ECHOREPLY 0
+
+ /** ICMP message type constant, indicating a packet destination is unreachable */
+ #define ICMP_TYPE_DESTINATIONUNREACHABLE 3
+
+ /** ICMP message type constant, indicating an ICMP Source Quench message */
+ #define ICMP_TYPE_SOURCEQUENCH 4
+
+ /** ICMP message type constant, indicating an ICMP Redirect message */
+ #define ICMP_TYPE_REDIRECTMESSAGE 5
+
+ /** ICMP message type constant, indicating an ICMP ECHO Request message */
+ #define ICMP_TYPE_ECHOREQUEST 8
+
+ /** ICMP message type constant, indicating an ICMP Time Exceeded message */
+ #define ICMP_TYPE_TIMEEXCEEDED 11
+
+ /* Type Defines: */
+ /** Type define for an ICMP message header. */
+ typedef struct
+ {
+ uint8_t Type; /**< ICMP message type, a ICMP_TYPE_* constant */
+ uint8_t Code; /**< ICMP message code, indicating the message value */
+ uint16_t Checksum; /**< Ethernet checksum of the ICMP message */
+ uint16_t Id; /**< Id of the ICMP message */
+ uint16_t Sequence; /**< Sequence number of the ICMP message, to link together message responses */
+ } ICMP_Header_t;
+
+ /* Function Prototypes: */
+ int16_t ICMP_ProcessICMPPacket(void* InDataStart, void* OutDataStart);
+
+#endif