Squashed 'lib/lufa/' content from commit 385d40300

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git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b

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diff --git a/Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.h b/Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.h
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+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, 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 disclaims 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, an \c 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
+