Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'

21 files changed, 3233 insertions, 0 deletions

diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ARP.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ARP.c
new file mode 100644
index 0000000000..24008705c1
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ARP.c
@@ -0,0 +1,87 @@
+/*
+             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
+ *
+ *  Address Resolution Protocol (ARP) packet handling routines. This protocol handles the
+ *  conversion of physical MAC addresses to protocol IP addresses between the host and the
+ *  device.
+ */
+
+#include "ARP.h"
+
+/** Processes an ARP packet inside an Ethernet frame, and writes the appropriate response
+ *  to the output Ethernet frame if the host is requesting the IP or MAC address of the
+ *  virtual server device on the network.
+ *
+ *  \param[in] InDataStart    Pointer to the start of the incoming packet's ARP header
+ *  \param[out] OutDataStart  Pointer to the start of the outgoing packet's ARP header
+ *
+ *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
+ */
+int16_t ARP_ProcessARPPacket(void* InDataStart,
+                             void* OutDataStart)
+{
+	DecodeARPHeader(InDataStart);
+
+	ARP_Header_t* ARPHeaderIN  = (ARP_Header_t*)InDataStart;
+	ARP_Header_t* ARPHeaderOUT = (ARP_Header_t*)OutDataStart;
+
+	/* Ensure that the ARP request is a IPv4 request packet */
+	if ((SwapEndian_16(ARPHeaderIN->ProtocolType) == ETHERTYPE_IPV4) &&
+	    (SwapEndian_16(ARPHeaderIN->Operation) == ARP_OPERATION_REQUEST))
+	{
+		/* If the ARP packet is requesting the MAC or IP of the virtual webserver, return the response */
+		if (IP_COMPARE(&ARPHeaderIN->TPA, &ServerIPAddress) ||
+		    MAC_COMPARE(&ARPHeaderIN->THA, &ServerMACAddress))
+		{
+			/* Fill out the ARP response header */
+			ARPHeaderOUT->HardwareType = ARPHeaderIN->HardwareType;
+			ARPHeaderOUT->ProtocolType = ARPHeaderIN->ProtocolType;
+			ARPHeaderOUT->HLEN         = ARPHeaderIN->HLEN;
+			ARPHeaderOUT->PLEN         = ARPHeaderIN->PLEN;
+			ARPHeaderOUT->Operation    = SwapEndian_16(ARP_OPERATION_REPLY);
+
+			/* Copy over the sender MAC/IP to the target fields for the response */
+			ARPHeaderOUT->THA = ARPHeaderIN->SHA;
+			ARPHeaderOUT->TPA = ARPHeaderIN->SPA;
+
+			/* Copy over the new sender MAC/IP - MAC and IP addresses of the virtual webserver */
+			ARPHeaderOUT->SHA = ServerMACAddress;
+			ARPHeaderOUT->SPA = ServerIPAddress;
+
+			/* Return the size of the response so far */
+			return sizeof(ARP_Header_t);
+		}
+	}
+
+	return NO_RESPONSE;
+}
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ARP.h b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ARP.h
new file mode 100644
index 0000000000..c809cbf44a
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ARP.h
@@ -0,0 +1,78 @@
+/*
+             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 ARP.c.
+ */
+
+#ifndef _ARP_H_
+#define _ARP_H_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <string.h>
+
+		#include <LUFA/Drivers/USB/USB.h>
+
+		#include "EthernetProtocols.h"
+		#include "Ethernet.h"
+		#include "ProtocolDecoders.h"
+
+	/* Macros: */
+		/** ARP header operation constant, indicating a request from a host for an address translation. */
+		#define ARP_OPERATION_REQUEST            1
+
+		/** ARP header operation constant, indicating a reply from a host giving an address translation. */
+		#define ARP_OPERATION_REPLY              2
+
+	/* Type Defines: */
+		/** Type define for an ARP packet inside an Ethernet frame. */
+		typedef struct
+		{
+			uint16_t      HardwareType; /**< Hardware type constant, indicating the hardware used */
+			uint16_t      ProtocolType; /**< Protocol being resolved, usually ETHERTYPE_IPV4 */
+
+			uint8_t       HLEN; /**< Length in bytes of the source/destination hardware addresses */
+			uint8_t       PLEN; /**< Length in bytes of the source/destination protocol addresses */
+			uint16_t      Operation; /**< Type of operation, either ARP_OPERATION_REQUEST or ARP_OPERATION_REPLY */
+
+			MAC_Address_t SHA; /**< Sender's hardware address */
+			IP_Address_t  SPA; /**< Sender's protocol address */
+			MAC_Address_t THA; /**< Target's hardware address */
+			IP_Address_t  TPA; /**< Target's protocol address */
+		} ARP_Header_t;
+
+	/* Function Prototypes: */
+		int16_t ARP_ProcessARPPacket(void* InDataStart,
+		                             void* OutDataStart);
+
+#endif
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c
new file mode 100644
index 0000000000..6f7b40af69
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.c
@@ -0,0 +1,129 @@
+/*
+             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
+ *
+ *  Dynamic Host Configuration Protocol (DHCP) packet handling routines. This protocol
+ *  handles the automatic IP negotiation to the host, so that the host will use the provided
+ *  IP address given to it by the device.
+ */
+
+#include "DHCP.h"
+
+/** Processes a DHCP packet inside an Ethernet frame, and writes the appropriate response
+ *  to the output Ethernet frame if the host is requesting or accepting an IP address.
+ *
+ *  \param[in] IPHeaderInStart      Pointer to the start of the incoming packet's IP header
+ *  \param[in] DHCPHeaderInStart    Pointer to the start of the incoming packet's DHCP header
+ *  \param[out] DHCPHeaderOutStart  Pointer to the start of the outgoing packet's DHCP header
+ *
+ *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
+ */
+int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart,
+                               void* DHCPHeaderInStart,
+                               void* DHCPHeaderOutStart)
+{
+	IP_Header_t*   IPHeaderIN    = (IP_Header_t*)IPHeaderInStart;
+	DHCP_Header_t* DHCPHeaderIN  = (DHCP_Header_t*)DHCPHeaderInStart;
+	DHCP_Header_t* DHCPHeaderOUT = (DHCP_Header_t*)DHCPHeaderOutStart;
+
+	uint8_t* DHCPOptionsINStart  = (uint8_t*)(DHCPHeaderInStart  + sizeof(DHCP_Header_t));
+	uint8_t* DHCPOptionsOUTStart = (uint8_t*)(DHCPHeaderOutStart + sizeof(DHCP_Header_t));
+
+	DecodeDHCPHeader(DHCPHeaderInStart);
+
+	/* Zero out the response DHCP packet, as much of it is legacy and left at 0 */
+	memset(DHCPHeaderOUT, 0, sizeof(DHCP_Header_t));
+
+	/* Fill out the response DHCP packet */
+	DHCPHeaderOUT->HardwareType          = DHCPHeaderIN->HardwareType;
+	DHCPHeaderOUT->Operation             = DHCP_OP_BOOTREPLY;
+	DHCPHeaderOUT->HardwareAddressLength = DHCPHeaderIN->HardwareAddressLength;
+	DHCPHeaderOUT->Hops                  = 0;
+	DHCPHeaderOUT->TransactionID         = DHCPHeaderIN->TransactionID;
+	DHCPHeaderOUT->ElapsedSeconds        = 0;
+	DHCPHeaderOUT->Flags                 = DHCPHeaderIN->Flags;
+	DHCPHeaderOUT->YourIP                = ClientIPAddress;
+	memmove(&DHCPHeaderOUT->ClientHardwareAddress, &DHCPHeaderIN->ClientHardwareAddress, sizeof(MAC_Address_t));
+	DHCPHeaderOUT->Cookie                = SwapEndian_32(DHCP_MAGIC_COOKIE);
+
+	/* Alter the incoming IP packet header so that the corrected IP source and destinations are used - this means that
+	   when the response IP header is generated, it will use the corrected addresses and not the null/broatcast addresses */
+	IPHeaderIN->SourceAddress      = ClientIPAddress;
+	IPHeaderIN->DestinationAddress = ServerIPAddress;
+
+	/* Process the incoming DHCP packet options */
+	while (DHCPOptionsINStart[0] != DHCP_OPTION_END)
+	{
+		/* Find the Message Type DHCP option, to determine the type of DHCP packet */
+		if (DHCPOptionsINStart[0] == DHCP_OPTION_MESSAGETYPE)
+		{
+			if ((DHCPOptionsINStart[2] == DHCP_MESSAGETYPE_DISCOVER) || (DHCPOptionsINStart[2] == DHCP_MESSAGETYPE_REQUEST))
+			{
+				/* Fill out the response DHCP packet options for a DHCP OFFER or ACK response */
+
+				*(DHCPOptionsOUTStart++) = DHCP_OPTION_MESSAGETYPE;
+				*(DHCPOptionsOUTStart++) = 1;
+				*(DHCPOptionsOUTStart++) = (DHCPOptionsINStart[2] == DHCP_MESSAGETYPE_DISCOVER) ? DHCP_MESSAGETYPE_OFFER
+																								: DHCP_MESSAGETYPE_ACK;
+
+				*(DHCPOptionsOUTStart++) = DHCP_OPTION_SUBNETMASK;
+				*(DHCPOptionsOUTStart++) = sizeof(IP_Address_t);
+				*(DHCPOptionsOUTStart++) = 0xFF;
+				*(DHCPOptionsOUTStart++) = 0xFF;
+				*(DHCPOptionsOUTStart++) = 0xFF;
+				*(DHCPOptionsOUTStart++) = 0x00;
+
+				*(DHCPOptionsOUTStart++) = DHCP_OPTION_LEASETIME;
+				*(DHCPOptionsOUTStart++) = sizeof(uint32_t);
+				/* Lease Time 86400s (ONE_DAY) */
+				*(DHCPOptionsOUTStart++) = 0x00;
+				*(DHCPOptionsOUTStart++) = 0x01;
+				*(DHCPOptionsOUTStart++) = 0x51;
+				*(DHCPOptionsOUTStart++) = 0x80;
+
+				*(DHCPOptionsOUTStart++) = DHCP_OPTION_DHCPSERVER;
+				*(DHCPOptionsOUTStart++) = sizeof(IP_Address_t);
+				memcpy(DHCPOptionsOUTStart, &ServerIPAddress, sizeof(IP_Address_t));
+				DHCPOptionsOUTStart     += sizeof(IP_Address_t);
+
+				*(DHCPOptionsOUTStart++) = DHCP_OPTION_END;
+
+				return (sizeof(DHCP_Header_t) + 18 + sizeof(IP_Address_t));
+			}
+		}
+
+		/* Go to the next DHCP option - skip one byte if option is a padding byte, else skip the complete option's size */
+		DHCPOptionsINStart += ((DHCPOptionsINStart[0] == DHCP_OPTION_PAD) ? 1 : (DHCPOptionsINStart[1] + 2));
+	}
+
+	return NO_RESPONSE;
+}
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.h b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.h
new file mode 100644
index 0000000000..5ef78469ec
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/DHCP.h
@@ -0,0 +1,131 @@
+/*
+             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 DHCP.c.
+ */
+
+#ifndef _DHCP_H_
+#define _DHCP_H_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <string.h>
+
+		#include "EthernetProtocols.h"
+		#include "Ethernet.h"
+		#include "ProtocolDecoders.h"
+
+	/* Macros: */
+		/** DHCP operation constant, indicating a request from a host to a DHCP server. */
+		#define DHCP_OP_BOOTREQUEST       0x01
+
+		/** DHCP operation constant, indicating a reply from a DHCP server to a host. */
+		#define DHCP_OP_BOOTREPLY         0x02
+
+		/** Hardware type constant, indicating Ethernet as a carrier. */
+		#define DHCP_HTYPE_ETHERNET       0x01
+
+		/** Magic boot protocol "cookie", inserted into all BOOTP packets (BOOTP is the carrier of DHCP). */
+		#define DHCP_MAGIC_COOKIE         0x63825363
+
+		/** DHCP option list entry header, indicating that a subnet mask will follow. */
+		#define DHCP_OPTION_SUBNETMASK    1
+
+		/** DHCP option list entry header, indicating that the Lease Time will follow. */
+		#define DHCP_OPTION_LEASETIME     51
+
+		/** DHCP option list entry header, indicating that the DHCP message type constant will follow. */
+		#define DHCP_OPTION_MESSAGETYPE   53
+
+		/** DHCP option list entry header, indicating that the IP address of the DHCP server will follow. */
+		#define DHCP_OPTION_DHCPSERVER    54
+
+		/** DHCP option list entry header, used to pad out option data. */
+		#define DHCP_OPTION_PAD           0
+
+		/** DHCP option list entry header, indicating the end of option data. */
+		#define DHCP_OPTION_END           255
+
+		/** Message type constant, used in the DHCP option data field, requesting that a DHCP server offer an IP address. */
+		#define DHCP_MESSAGETYPE_DISCOVER 1
+
+		/** Message type constant, used in the DHCP option data field, indicating that a DHCP server is offering an IP address. */
+		#define DHCP_MESSAGETYPE_OFFER    2
+
+		/** Message type constant, used in the DHCP option data field, requesting that a DHCP server lease a given IP address. */
+		#define DHCP_MESSAGETYPE_REQUEST  3
+
+		/** Message type constant, used in the DHCP option data field, declining an offered DHCP server IP address lease. */
+		#define DHCP_MESSAGETYPE_DECLINE  4
+
+		/** Message type constant, used in the DHCP option data field, ACKing a host IP lease request. */
+		#define DHCP_MESSAGETYPE_ACK      5
+
+		/** Message type constant, used in the DHCP option data field, NACKing a host IP lease request. */
+		#define DHCP_MESSAGETYPE_NACK     6
+
+		/** Message type constant, used in the DHCP option data field, indicating that a host is releasing a leased IP address. */
+		#define DHCP_MESSAGETYPE_RELEASE  7
+
+	/* Type Defines: */
+		/** Type define for a DHCP packet inside an Ethernet frame. */
+		typedef struct
+		{
+			uint8_t  Operation; /**< DHCP operation, either DHCP_OP_BOOTREQUEST or DHCP_OP_BOOTREPLY */
+			uint8_t  HardwareType; /**< Hardware carrier type constant */
+			uint8_t  HardwareAddressLength;  /**< Length in bytes of a hardware (MAC) address on the network */
+			uint8_t  Hops; /**< Number of hops required to reach the server, unused */
+
+			uint32_t TransactionID; /**< Unique ID of the DHCP packet, for positive matching between sent and received packets */
+
+			uint16_t ElapsedSeconds; /**< Elapsed seconds since the request was made */
+			uint16_t Flags; /**< BOOTP packet flags */
+
+			IP_Address_t ClientIP; /**< Client IP address, if already leased an IP */
+			IP_Address_t YourIP; /**< Client IP address */
+			IP_Address_t NextServerIP; /**< Legacy BOOTP protocol field, unused for DHCP */
+			IP_Address_t RelayAgentIP; /**< Legacy BOOTP protocol field, unused for DHCP */
+
+			uint8_t ClientHardwareAddress[16]; /**< Hardware (MAC) address of the client making a request to the DHCP server */
+			uint8_t ServerHostnameString[64]; /**< Legacy BOOTP protocol field, unused for DHCP */
+			uint8_t BootFileName[128]; /**< Legacy BOOTP protocol field, unused for DHCP */
+
+			uint32_t Cookie; /**< Magic BOOTP protocol cookie to indicate a valid packet */
+		} DHCP_Header_t;
+
+	/* Function Prototypes: */
+		int16_t DHCP_ProcessDHCPPacket(void* IPHeaderInStart,
+		                               void* DHCPHeaderInStart,
+		                               void* DHCPHeaderOutStart);
+
+#endif
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Ethernet.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Ethernet.c
new file mode 100644
index 0000000000..a48de2c717
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Ethernet.c
@@ -0,0 +1,136 @@
+/*
+             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
+ *
+ *  Ethernet frame packet handling routines. This protocol handles the processing of raw Ethernet
+ *  frames sent and received, deferring the processing of sub-packet protocols to the appropriate
+ *  protocol handlers, such as DHCP or ARP.
+ */
+
+#include "Ethernet.h"
+
+/** Ethernet Frame buffer structure, to hold the incoming Ethernet frame from the host. */
+Ethernet_Frame_Info_t FrameIN;
+
+/** Ethernet Frame buffer structure, to hold the outgoing Ethernet frame to the host. */
+Ethernet_Frame_Info_t FrameOUT;
+
+/** Constant for convenience when checking against or setting a MAC address to the virtual server MAC address. */
+const MAC_Address_t ServerMACAddress    = {SERVER_MAC_ADDRESS};
+
+/** Constant for convenience when checking against or setting an IP address to the virtual server IP address. */
+const IP_Address_t  ServerIPAddress     = {SERVER_IP_ADDRESS};
+
+/** Constant for convenience when checking against or setting a MAC address to the broadcast MAC address. */
+const MAC_Address_t BroadcastMACAddress = {BROADCAST_MAC_ADDRESS};
+
+/** Constant for convenience when checking against or setting a IP address to the broadcast IP address. */
+const IP_Address_t  BroadcastIPAddress  = {BROADCAST_IP_ADDRESS};
+
+/** Constant for convenience when checking against or setting an IP address to the client (host) IP address. */
+const IP_Address_t  ClientIPAddress     = {CLIENT_IP_ADDRESS};
+
+
+/** Processes an incoming Ethernet frame, and writes the appropriate response to the output Ethernet
+ *  frame buffer if the sub protocol handlers create a valid response.
+ */
+void Ethernet_ProcessPacket(void)
+{
+	DecodeEthernetFrameHeader(FrameIN.FrameData);
+
+	/* Cast the incoming Ethernet frame to the Ethernet header type */
+	Ethernet_Frame_Header_t* FrameINHeader  = (Ethernet_Frame_Header_t*)&FrameIN.FrameData;
+	Ethernet_Frame_Header_t* FrameOUTHeader = (Ethernet_Frame_Header_t*)&FrameOUT.FrameData;
+
+	int16_t                  RetSize        = NO_RESPONSE;
+
+	/* Ensure frame is addressed to either all (broadcast) or the virtual webserver, and is a type II frame */
+	if ((MAC_COMPARE(&FrameINHeader->Destination, &ServerMACAddress) ||
+	     MAC_COMPARE(&FrameINHeader->Destination, &BroadcastMACAddress)) &&
+		(SwapEndian_16(FrameIN.FrameLength) > ETHERNET_VER2_MINSIZE))
+	{
+		/* Process the packet depending on its protocol */
+		switch (SwapEndian_16(FrameINHeader->EtherType))
+		{
+			case ETHERTYPE_ARP:
+				RetSize = ARP_ProcessARPPacket(&FrameIN.FrameData[sizeof(Ethernet_Frame_Header_t)],
+				                               &FrameOUT.FrameData[sizeof(Ethernet_Frame_Header_t)]);
+				break;
+			case ETHERTYPE_IPV4:
+				RetSize = IP_ProcessIPPacket(&FrameIN.FrameData[sizeof(Ethernet_Frame_Header_t)],
+				                             &FrameOUT.FrameData[sizeof(Ethernet_Frame_Header_t)]);
+				break;
+		}
+
+		/* Protocol processing routine has filled a response, complete the ethernet frame header */
+		if (RetSize > 0)
+		{
+			/* Fill out the response Ethernet frame header */
+			FrameOUTHeader->Source          = ServerMACAddress;
+			FrameOUTHeader->Destination     = FrameINHeader->Source;
+			FrameOUTHeader->EtherType       = FrameINHeader->EtherType;
+
+			/* Set the response length in the buffer and indicate that a response is ready to be sent */
+			FrameOUT.FrameLength            = (sizeof(Ethernet_Frame_Header_t) + RetSize);
+		}
+	}
+
+	/* Check if the packet was processed */
+	if (RetSize != NO_PROCESS)
+	{
+		/* Clear the frame buffer */
+		FrameIN.FrameLength = 0;
+	}
+}
+
+/** Calculates the appropriate ethernet checksum, consisting of the addition of the one's
+ *  compliment of each word, complimented.
+ *
+ *  \param[in] Data   Pointer to the packet buffer data whose checksum must be calculated
+ *  \param[in] Bytes  Number of bytes in the data buffer to process
+ *
+ *  \return A 16-bit Ethernet checksum value
+ */
+uint16_t Ethernet_Checksum16(void* Data,
+                             uint16_t Bytes)
+{
+	uint16_t* Words    = (uint16_t*)Data;
+	uint32_t  Checksum = 0;
+
+	for (uint16_t CurrWord = 0; CurrWord < (Bytes >> 1); CurrWord++)
+	  Checksum += Words[CurrWord];
+
+	while (Checksum & 0xFFFF0000)
+	  Checksum = ((Checksum & 0xFFFF) + (Checksum >> 16));
+
+	return ~Checksum;
+}
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Ethernet.h b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Ethernet.h
new file mode 100644
index 0000000000..8eaf64080b
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Ethernet.h
@@ -0,0 +1,111 @@
+/*
+             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 Ethernet.c.
+ */
+
+#ifndef _ETHERNET_H_
+#define _ETHERNET_H_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <string.h>
+
+		#include "Config/AppConfig.h"
+
+		#include "EthernetProtocols.h"
+		#include "ProtocolDecoders.h"
+		#include "ICMP.h"
+		#include "TCP.h"
+		#include "UDP.h"
+		#include "DHCP.h"
+		#include "ARP.h"
+		#include "IP.h"
+
+	/* Macros: */
+		/** Physical MAC address of the network broadcast address. */
+		#define BROADCAST_MAC_ADDRESS            {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}
+
+		/** Performs a comparison between two MAC addresses, indicating if they are identical.
+		 *
+		 *  \param[in] MAC1  First MAC address
+		 *  \param[in] MAC2  Second MAC address
+		 *
+		 *  \return True if the addresses match, \c false otherwise
+		 */
+		#define MAC_COMPARE(MAC1, MAC2)          (memcmp(MAC1, MAC2, sizeof(MAC_Address_t)) == 0)
+
+		/** Maximum size of an incoming or outgoing Ethernet frame in bytes. */
+		#define ETHERNET_FRAME_SIZE_MAX          1500
+
+		/** Minimum size of an Ethernet packet in bytes, to conform to the Ethernet V2 packet standard. */
+		#define ETHERNET_VER2_MINSIZE            0x0600
+
+		/** Return value for all sub protocol handling routines, indicating that no response packet has been generated. */
+		#define NO_RESPONSE                      0
+
+		/** Return value for all sub protocol handling routines, indicating that the packet has not yet been handled. */
+		#define NO_PROCESS                       -1
+
+	/* Type Defines: */
+		/** Type define for an Ethernet frame buffer data and information structure. */
+		typedef struct
+		{
+			uint8_t  FrameData[ETHERNET_FRAME_SIZE_MAX]; /**< Ethernet frame contents. */
+			uint16_t FrameLength; /**< Length in bytes of the Ethernet frame stored in the buffer. */
+		} Ethernet_Frame_Info_t;
+
+		/** Type define for an Ethernet frame header. */
+		typedef struct
+		{
+			MAC_Address_t Destination; /**< Physical MAC address of the packet recipient */
+			MAC_Address_t Source; /**< Physics MAC address of the packet source */
+			uint16_t      EtherType; /**< Ethernet packet sub-protocol type, for Ethernet V2 packets */
+		} Ethernet_Frame_Header_t;
+
+	/* External Variables: */
+		extern Ethernet_Frame_Info_t FrameIN;
+		extern Ethernet_Frame_Info_t FrameOUT;
+
+		extern const MAC_Address_t ServerMACAddress;
+		extern const IP_Address_t  ServerIPAddress;
+		extern const MAC_Address_t BroadcastMACAddress;
+		extern const IP_Address_t  BroadcastIPAddress;
+		extern const IP_Address_t  ClientIPAddress;
+
+	/* Function Prototypes: */
+		void     Ethernet_ProcessPacket(void);
+		uint16_t Ethernet_Checksum16(void* Data,
+		                             uint16_t Bytes);
+
+#endif
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/EthernetProtocols.h b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/EthernetProtocols.h
new file mode 100644
index 0000000000..ca738cd0db
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/EthernetProtocols.h
@@ -0,0 +1,88 @@
+/*
+             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
+ *
+ *  General Ethernet protocol constants and type defines, for use by
+ *  all network protocol portions of the TCP/IP stack.
+ */
+
+#ifndef _ETHERNET_PROTOCOLS_H_
+#define _ETHERNET_PROTOCOLS_H_
+
+	/* Macros: */
+		#define ETHERTYPE_IPV4                   0x0800
+		#define ETHERTYPE_ARP                    0x0806
+		#define ETHERTYPE_RARP                   0x8035
+		#define ETHERTYPE_APPLETALK              0x809b
+		#define ETHERTYPE_APPLETALKARP           0x80f3
+		#define ETHERTYPE_IEEE8021Q              0x8100
+		#define ETHERTYPE_NOVELLIPX              0x8137
+		#define ETHERTYPE_NOVELL                 0x8138
+		#define ETHERTYPE_IPV6                   0x86DD
+		#define ETHERTYPE_COBRANET               0x8819
+		#define ETHERTYPE_PROVIDERBRIDGING       0x88a8
+		#define ETHERTYPE_MPLSUNICAST            0x8847
+		#define ETHERTYPE_MPLSMULTICAST          0x8848
+		#define ETHERTYPE_PPPoEDISCOVERY         0x8863
+		#define ETHERTYPE_PPPoESESSION           0x8864
+		#define ETHERTYPE_EAPOVERLAN             0x888E
+		#define ETHERTYPE_HYPERSCSI              0x889A
+		#define ETHERTYPE_ATAOVERETHERNET        0x88A2
+		#define ETHERTYPE_ETHERCAT               0x88A4
+		#define ETHERTYPE_SERCOSIII              0x88CD
+		#define ETHERTYPE_CESoE                  0x88D8
+		#define ETHERTYPE_MACSECURITY            0x88E5
+		#define ETHERTYPE_FIBRECHANNEL           0x8906
+		#define ETHERTYPE_QINQ                   0x9100
+		#define ETHERTYPE_VLLT                   0xCAFE
+
+		#define PROTOCOL_ICMP                    1
+		#define PROTOCOL_IGMP                    2
+		#define PROTOCOL_TCP                     6
+		#define PROTOCOL_UDP                     17
+		#define PROTOCOL_OSPF                    89
+		#define PROTOCOL_SCTP                    132
+
+	/* Type Defines: */
+		/** Type define for a physical MAC address of a device on a network. */
+		typedef struct
+		{
+			uint8_t       Octets[6]; /**< Individual bytes of a MAC address */
+		} RNDIS_MAC_Address_t;
+
+		/** Type define for a protocol IP address of a device on a network. */
+		typedef struct
+		{
+			uint8_t       Octets[4]; /**< Individual bytes of an IP address */
+		} IP_Address_t;
+
+#endif
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.c
new file mode 100644
index 0000000000..b144c4c517
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.c
@@ -0,0 +1,81 @@
+/*
+             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
+ *
+ *  Internet Control Message Protocol (ICMP) packet handling routines. This protocol handles
+ *  Echo requests from the host, to indicate a successful network connection between the host
+ *  and the virtual server.
+ */
+
+#include "ICMP.h"
+
+/** Processes an ICMP packet inside an Ethernet frame, and writes the appropriate response
+ *  to the output Ethernet frame if the host is issuing a ICMP ECHO request.
+ *
+ *  \param[in] InDataStart    Pointer to the start of the incoming packet's ICMP header
+ *  \param[out] OutDataStart  Pointer to the start of the outgoing packet's ICMP header
+ *
+ *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
+ */
+int16_t ICMP_ProcessICMPPacket(void* InDataStart,
+                               void* OutDataStart)
+{
+	ICMP_Header_t* ICMPHeaderIN  = (ICMP_Header_t*)InDataStart;
+	ICMP_Header_t* ICMPHeaderOUT = (ICMP_Header_t*)OutDataStart;
+
+	DecodeICMPHeader(InDataStart);
+
+	/* Determine if the ICMP packet is an echo request (ping) */
+	if (ICMPHeaderIN->Type == ICMP_TYPE_ECHOREQUEST)
+	{
+		/* Fill out the ICMP response packet */
+		ICMPHeaderOUT->Type     = ICMP_TYPE_ECHOREPLY;
+		ICMPHeaderOUT->Code     = 0;
+		ICMPHeaderOUT->Checksum = 0;
+		ICMPHeaderOUT->Id       = ICMPHeaderIN->Id;
+		ICMPHeaderOUT->Sequence = ICMPHeaderIN->Sequence;
+
+		intptr_t DataSize = FrameIN.FrameLength - ((((intptr_t)InDataStart + sizeof(ICMP_Header_t)) - (intptr_t)FrameIN.FrameData));
+
+		/* Copy the remaining payload to the response - echo requests should echo back any sent data */
+		memmove(&((uint8_t*)OutDataStart)[sizeof(ICMP_Header_t)],
+		        &((uint8_t*)InDataStart)[sizeof(ICMP_Header_t)],
+			    DataSize);
+
+		ICMPHeaderOUT->Checksum = Ethernet_Checksum16(ICMPHeaderOUT, (DataSize + sizeof(ICMP_Header_t)));
+
+		/* Return the size of the response so far */
+		return (DataSize + sizeof(ICMP_Header_t));
+	}
+
+	return NO_RESPONSE;
+}
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.h b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.h
new file mode 100644
index 0000000000..e8039da3e0
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.h
@@ -0,0 +1,82 @@
+/*
+             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
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/IP.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/IP.c
new file mode 100644
index 0000000000..dfa583b853
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/IP.c
@@ -0,0 +1,113 @@
+/*
+             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
+ *
+ *  Internet Protocol (IP) packet handling routines. This protocol handles IP packets from the
+ *  host which typically encapsulate other protocols such as ICMP, UDP and TCP.
+ */
+
+#include "IP.h"
+
+/** Processes an IP packet inside an Ethernet frame, and writes the appropriate response
+ *  to the output Ethernet frame if one is created by a sub-protocol handler.
+ *
+ *  \param[in] InDataStart    Pointer to the start of the incoming packet's IP header
+ *  \param[out] OutDataStart  Pointer to the start of the outgoing packet's IP header
+ *
+ *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE if no
+ *           response was generated, NO_PROCESS if the packet processing was deferred until the
+ *           next Ethernet packet handler iteration
+ */
+int16_t IP_ProcessIPPacket(void* InDataStart,
+                           void* OutDataStart)
+{
+	DecodeIPHeader(InDataStart);
+
+	IP_Header_t* IPHeaderIN  = (IP_Header_t*)InDataStart;
+	IP_Header_t* IPHeaderOUT = (IP_Header_t*)OutDataStart;
+
+	/* Header length is specified in number of longs in the packet header, convert to bytes */
+	uint16_t HeaderLengthBytes = (IPHeaderIN->HeaderLength * sizeof(uint32_t));
+
+	int16_t  RetSize = NO_RESPONSE;
+
+	/* Check to ensure the IP packet is addressed to the virtual webserver's IP or the broadcast IP address */
+	if (!(IP_COMPARE(&IPHeaderIN->DestinationAddress, &ServerIPAddress)) &&
+	    !(IP_COMPARE(&IPHeaderIN->DestinationAddress, &BroadcastIPAddress)))
+	{
+		return NO_RESPONSE;
+	}
+
+	/* Pass off the IP payload to the appropriate protocol processing routine */
+	switch (IPHeaderIN->Protocol)
+	{
+		case PROTOCOL_ICMP:
+			RetSize = ICMP_ProcessICMPPacket(&((uint8_t*)InDataStart)[HeaderLengthBytes],
+			                                 &((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);
+			break;
+		case PROTOCOL_TCP:
+			RetSize = TCP_ProcessTCPPacket(InDataStart,
+			                               &((uint8_t*)InDataStart)[HeaderLengthBytes],
+			                               &((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);
+			break;
+		case PROTOCOL_UDP:
+			RetSize = UDP_ProcessUDPPacket(InDataStart,
+			                               &((uint8_t*)InDataStart)[HeaderLengthBytes],
+			                               &((uint8_t*)OutDataStart)[sizeof(IP_Header_t)]);
+			break;
+	}
+
+	/* Check to see if the protocol processing routine has filled out a response */
+	if (RetSize > 0)
+	{
+		/* Fill out the response IP packet header */
+		IPHeaderOUT->TotalLength        = SwapEndian_16(sizeof(IP_Header_t) + RetSize);
+		IPHeaderOUT->TypeOfService      = 0;
+		IPHeaderOUT->HeaderLength       = (sizeof(IP_Header_t) / sizeof(uint32_t));
+		IPHeaderOUT->Version            = 4;
+		IPHeaderOUT->Flags              = 0;
+		IPHeaderOUT->FragmentOffset     = 0;
+		IPHeaderOUT->Identification     = 0;
+		IPHeaderOUT->HeaderChecksum     = 0;
+		IPHeaderOUT->Protocol           = IPHeaderIN->Protocol;
+		IPHeaderOUT->TTL                = DEFAULT_TTL;
+		IPHeaderOUT->SourceAddress      = IPHeaderIN->DestinationAddress;
+		IPHeaderOUT->DestinationAddress = IPHeaderIN->SourceAddress;
+
+		IPHeaderOUT->HeaderChecksum     = Ethernet_Checksum16(IPHeaderOUT, sizeof(IP_Header_t));
+
+		/* Return the size of the response so far */
+		return (sizeof(IP_Header_t) + RetSize);
+	}
+
+	return RetSize;
+}
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/IP.h b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/IP.h
new file mode 100644
index 0000000000..48f2c9086f
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/IP.h
@@ -0,0 +1,92 @@
+/*
+             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 IP.c.
+ */
+
+#ifndef _IP_H_
+#define _IP_H_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <string.h>
+
+		#include "EthernetProtocols.h"
+		#include "Ethernet.h"
+		#include "ProtocolDecoders.h"
+		#include "Config/AppConfig.h"
+
+	/* Macros: */
+		/** Protocol IP address of the broadcast address. */
+		#define BROADCAST_IP_ADDRESS             {0xFF, 0xFF, 0xFF, 0xFF}
+
+		/** Default Time To Live (TTL) value for sent packets, indicating the maximum allowable hops until their destination
+		 *  is reached.
+		 */
+		#define DEFAULT_TTL                      128
+
+		/** Performs a comparison between two IP addresses, indicating if they are identical.
+		 *
+		 *  \param[in] IP1  First IP address
+		 *  \param[in] IP2  Second IP address
+		 *
+		 *  \return True if the addresses match, \c false otherwise
+		 */
+		#define IP_COMPARE(IP1, IP2)             (memcmp(IP1, IP2, sizeof(IP_Address_t)) == 0)
+
+	/* Type Defines: */
+		/** Type define of an IP packet header. */
+		typedef struct
+		{
+			unsigned     HeaderLength   : 4; /**< Total length of the packet header, in 4-byte blocks */
+			unsigned     Version        : 4; /**< IP protocol version */
+			uint8_t      TypeOfService; /**< Special service type identifier, indicating delay/throughput/reliability levels */
+			uint16_t     TotalLength; /**< Total length of the IP packet, in bytes */
+
+			uint16_t     Identification; /**< Identification value for identifying fragmented packets */
+			unsigned     FragmentOffset : 13; /**< Offset of this IP fragment */
+			unsigned     Flags          : 3; /**< Fragment flags, to indicate if a packet is fragmented */
+
+			uint8_t      TTL; /**< Maximum allowable number of hops to reach the packet destination */
+			uint8_t      Protocol; /**< Encapsulated protocol type */
+			uint16_t     HeaderChecksum; /**< Ethernet checksum of the IP header */
+
+			IP_Address_t SourceAddress; /**< Source protocol IP address of the packet */
+			IP_Address_t DestinationAddress; /**< Destination protocol IP address of the packet */
+		} IP_Header_t;
+
+	/* Function Prototypes: */
+		int16_t IP_ProcessIPPacket(void* InDataStart,
+		                           void* OutDataStart);
+
+#endif
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ProtocolDecoders.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ProtocolDecoders.c
new file mode 100644
index 0000000000..90d678bf4b
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ProtocolDecoders.c
@@ -0,0 +1,276 @@
+/*
+             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.
+*/
+
+/* Protocol decoders for Ethernet, TCP, IP, ICMP and ARP. Each of these routines
+   accepts a header to the appropriate protocol and prints out pertinent information
+   on the packet through the serial port.
+
+   To disable printing of a specific protocol, define the token NO_DECODE_{Protocol}
+   in the project makefile, and pass it to the compiler using the -D switch.
+*/
+
+/** \file
+ *
+ *  Protocol decoding routines, for the plain-text decoding of Ethernet frames for debugging purposes.
+ *  Enabled protocol decoders will print incoming Ethernet frame contents through the USART in a human
+ *  readable format.
+ *
+ *  Note that the USART is a slow transmission medium, and will slow down packet processing considerably.
+ *  Packet decoding routines can be disabled by defining NO_DECODE_{Protocol Name} in the project makefile
+ *  and passing it to the compiler via the -D switch.
+ */
+
+#include "ProtocolDecoders.h"
+
+/** Decodes an Ethernet frame header and prints its contents to through the USART in a human readable format.
+ *
+ *  \param[in] InDataStart  Pointer to the start of an Ethernet frame header
+ */
+void DecodeEthernetFrameHeader(void* InDataStart)
+{
+	#if !defined(NO_DECODE_ETHERNET)
+	Ethernet_Frame_Header_t* FrameHeader = (Ethernet_Frame_Header_t*)InDataStart;
+
+	printf_P(PSTR("\r\n"));
+
+	printf_P(PSTR("  ETHERNET\r\n"));
+
+	if (!(MAC_COMPARE(&FrameHeader->Destination, &ServerMACAddress)) &&
+	    !(MAC_COMPARE(&FrameHeader->Destination, &BroadcastMACAddress)))
+	{
+		printf_P(PSTR("  + NOT ADDRESSED TO DEVICE\r\n"));
+		return;
+	}
+
+	printf_P(PSTR("  + MAC Source : %02X:%02X:%02X:%02X:%02X:%02X\r\n"), FrameHeader->Source.Octets[0],
+	                                                                     FrameHeader->Source.Octets[1],
+	                                                                     FrameHeader->Source.Octets[2],
+	                                                                     FrameHeader->Source.Octets[3],
+	                                                                     FrameHeader->Source.Octets[4],
+	                                                                     FrameHeader->Source.Octets[5]);
+
+	printf_P(PSTR("  + MAC Dest: %02X:%02X:%02X:%02X:%02X:%02X\r\n"),    FrameHeader->Destination.Octets[0],
+	                                                                     FrameHeader->Destination.Octets[1],
+	                                                                     FrameHeader->Destination.Octets[2],
+	                                                                     FrameHeader->Destination.Octets[3],
+	                                                                     FrameHeader->Destination.Octets[4],
+	                                                                     FrameHeader->Destination.Octets[5]);
+
+	printf_P(PSTR("  + Protocol: 0x%04x\r\n"), SwapEndian_16(FrameHeader->EtherType));
+	#endif
+}
+
+/** Decodes an ARP header and prints its contents to through the USART in a human readable format.
+ *
+ *  \param[in] InDataStart  Pointer to the start of an ARP packet header
+ */
+void DecodeARPHeader(void* InDataStart)
+{
+	#if !defined(NO_DECODE_ARP)
+	ARP_Header_t* ARPHeader = (ARP_Header_t*)InDataStart;
+
+	printf_P(PSTR("   \\\r\n    ARP\r\n"));
+
+	if (!(IP_COMPARE(&ARPHeader->TPA, &ServerIPAddress)) &&
+	    !(MAC_COMPARE(&ARPHeader->THA, &ServerMACAddress)))
+	{
+		printf_P(PSTR("    + NOT ADDRESSED TO DEVICE\r\n"));
+		return;
+	}
+
+	printf_P(PSTR("    + Protocol: %x\r\n"), SwapEndian_16(ARPHeader->ProtocolType));
+	printf_P(PSTR("    + Operation: %u\r\n"), SwapEndian_16(ARPHeader->Operation));
+
+	if (SwapEndian_16(ARPHeader->ProtocolType) == ETHERTYPE_IPV4)
+	{
+		printf_P(PSTR("    + SHA MAC: %02X:%02X:%02X:%02X:%02X:%02X\r\n"), ARPHeader->SHA.Octets[0],
+		                                                                   ARPHeader->SHA.Octets[1],
+		                                                                   ARPHeader->SHA.Octets[2],
+		                                                                   ARPHeader->SHA.Octets[3],
+		                                                                   ARPHeader->SHA.Octets[4],
+		                                                                   ARPHeader->SHA.Octets[5]);
+
+		printf_P(PSTR("    + SPA IP: %u.%u.%u.%u\r\n"), ARPHeader->SPA.Octets[0],
+		                                                ARPHeader->SPA.Octets[1],
+		                                                ARPHeader->SPA.Octets[2],
+		                                                ARPHeader->SPA.Octets[3]);
+
+		printf_P(PSTR("    + THA MAC: %02X:%02X:%02X:%02X:%02X:%02X\r\n"), ARPHeader->THA.Octets[0],
+		                                                                   ARPHeader->THA.Octets[1],
+		                                                                   ARPHeader->THA.Octets[2],
+		                                                                   ARPHeader->THA.Octets[3],
+		                                                                   ARPHeader->THA.Octets[4],
+		                                                                   ARPHeader->THA.Octets[5]);
+
+		printf_P(PSTR("    + TPA IP: %u.%u.%u.%u\r\n"), ARPHeader->TPA.Octets[0],
+		                                                ARPHeader->TPA.Octets[1],
+		                                                ARPHeader->TPA.Octets[2],
+		                                                ARPHeader->TPA.Octets[3]);
+	}
+	#endif
+}
+
+/** Decodes an IP header and prints its contents to through the USART in a human readable format.
+ *
+ *  \param[in] InDataStart  Pointer to the start of an IP packet header
+ */
+void DecodeIPHeader(void* InDataStart)
+{
+	#if !defined(NO_DECODE_IP)
+	IP_Header_t* IPHeader  = (IP_Header_t*)InDataStart;
+
+	uint16_t HeaderLengthBytes = (IPHeader->HeaderLength * sizeof(uint32_t));
+
+	printf_P(PSTR("   \\\r\n    IP\r\n"));
+
+	if (!(IP_COMPARE(&IPHeader->DestinationAddress, &ServerIPAddress)))
+	{
+		printf_P(PSTR("    + NOT ADDRESSED TO DEVICE\r\n"));
+		return;
+	}
+
+	printf_P(PSTR("    + Header Length: %u Bytes\r\n"), HeaderLengthBytes);
+	printf_P(PSTR("    + Packet Version: %u\r\n"), IPHeader->Version);
+	printf_P(PSTR("    + Total Length: %u\r\n"), SwapEndian_16(IPHeader->TotalLength));
+
+	printf_P(PSTR("    + Protocol: %u\r\n"), IPHeader->Protocol);
+	printf_P(PSTR("    + TTL: %u\r\n"), IPHeader->TTL);
+
+	printf_P(PSTR("    + IP Src: %u.%u.%u.%u\r\n"), IPHeader->SourceAddress.Octets[0],
+	                                                IPHeader->SourceAddress.Octets[1],
+	                                                IPHeader->SourceAddress.Octets[2],
+	                                                IPHeader->SourceAddress.Octets[3]);
+
+	printf_P(PSTR("    + IP Dst: %u.%u.%u.%u\r\n"), IPHeader->DestinationAddress.Octets[0],
+	                                                IPHeader->DestinationAddress.Octets[1],
+	                                                IPHeader->DestinationAddress.Octets[2],
+	                                                IPHeader->DestinationAddress.Octets[3]);
+	#endif
+}
+
+/** Decodes an ICMP header and prints its contents to through the USART in a human readable format.
+ *
+ *  \param[in] InDataStart  Pointer to the start of an ICMP packet header
+ */
+void DecodeICMPHeader(void* InDataStart)
+{
+	#if !defined(NO_DECODE_ICMP)
+	ICMP_Header_t* ICMPHeader  = (ICMP_Header_t*)InDataStart;
+
+	printf_P(PSTR("    \\\r\n     ICMP\r\n"));
+
+	printf_P(PSTR("     + Type: %u\r\n"), ICMPHeader->Type);
+	printf_P(PSTR("     + Code: %u\r\n"), ICMPHeader->Code);
+	#endif
+}
+
+/** Decodes a TCP header and prints its contents to through the USART in a human readable format.
+ *
+ *  \param[in] InDataStart  Pointer to the start of a TCP packet header
+ */
+void DecodeTCPHeader(void* InDataStart)
+{
+	#if !defined(NO_DECODE_TCP)
+	TCP_Header_t* TCPHeader  = (TCP_Header_t*)InDataStart;
+
+	uint16_t               HeaderLengthBytes = (TCPHeader->DataOffset * sizeof(uint32_t));
+
+	printf_P(PSTR("    \\\r\n     TCP\r\n"));
+
+	printf_P(PSTR("     + Header Length: %u Bytes\r\n"), HeaderLengthBytes);
+
+	printf_P(PSTR("     + Source Port: %u\r\n"), SwapEndian_16(TCPHeader->SourcePort));
+	printf_P(PSTR("     + Destination Port: %u\r\n"), SwapEndian_16(TCPHeader->DestinationPort));
+
+	printf_P(PSTR("     + Sequence Number: %lu\r\n"), SwapEndian_32(TCPHeader->SequenceNumber));
+	printf_P(PSTR("     + Acknowledgment Number: %lu\r\n"), SwapEndian_32(TCPHeader->AcknowledgmentNumber));
+
+	printf_P(PSTR("     + Flags: 0x%02X\r\n"), TCPHeader->Flags);
+
+	if (TCP_GetPortState(TCPHeader->DestinationPort) == TCP_Port_Closed)
+	  printf_P(PSTR("     + NOT LISTENING ON DESTINATION PORT\r\n"));
+	#endif
+}
+
+/** Decodes an UDP header and prints its contents to through the USART in a human readable format.
+ *
+ *  \param[in] InDataStart  Pointer to the start of a UDP packet header
+ */
+void DecodeUDPHeader(void* InDataStart)
+{
+	#if !defined(NO_DECODE_UDP)
+	UDP_Header_t* UDPHeader = (UDP_Header_t*)InDataStart;
+
+	printf_P(PSTR("    \\\r\n     UDP\r\n"));
+
+	printf_P(PSTR("     + Source Port: %u\r\n"), SwapEndian_16(UDPHeader->SourcePort));
+	printf_P(PSTR("     + Destination Port: %u\r\n"), SwapEndian_16(UDPHeader->DestinationPort));
+
+	printf_P(PSTR("     + Data Length: %d\r\n"), SwapEndian_16(UDPHeader->Length));
+	#endif
+}
+
+/** Decodes an DHCP header and prints its contents to through the USART in a human readable format.
+ *
+ *  \param[in] InDataStart  Pointer to the start of a DHCP packet header
+ */
+void DecodeDHCPHeader(void* InDataStart)
+{
+	#if !defined(NO_DECODE_DHCP)
+	uint8_t* DHCPOptions = ((uint8_t*)InDataStart + sizeof(DHCP_Header_t));
+
+	printf_P(PSTR("     \\\r\n      DHCP\r\n"));
+
+	while (DHCPOptions[0] != DHCP_OPTION_END)
+	{
+		if (DHCPOptions[0] == DHCP_OPTION_MESSAGETYPE)
+		{
+			switch (DHCPOptions[2])
+			{
+				case DHCP_MESSAGETYPE_DISCOVER:
+					printf_P(PSTR("      + DISCOVER\r\n"));
+					break;
+				case DHCP_MESSAGETYPE_REQUEST:
+					printf_P(PSTR("      + REQUEST\r\n"));
+					break;
+				case DHCP_MESSAGETYPE_RELEASE:
+					printf_P(PSTR("      + RELEASE\r\n"));
+					break;
+				case DHCP_MESSAGETYPE_DECLINE:
+					printf_P(PSTR("      + DECLINE\r\n"));
+					break;
+			}
+		}
+
+		DHCPOptions += ((DHCPOptions[0] == DHCP_OPTION_PAD) ? 1 : (DHCPOptions[1] + 2));
+	}
+	#endif
+}
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ProtocolDecoders.h b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ProtocolDecoders.h
new file mode 100644
index 0000000000..77a50f02f4
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/ProtocolDecoders.h
@@ -0,0 +1,60 @@
+/*
+             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 ProtocolDecoders.c.
+ */
+
+#ifndef _PROTOCOL_DECODERS_H_
+#define _PROTOCOL_DECODERS_H_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <avr/pgmspace.h>
+		#include <stdio.h>
+
+		#include <LUFA/Drivers/Peripheral/Serial.h>
+
+		#include "EthernetProtocols.h"
+		#include "Ethernet.h"
+		#include "Config/AppConfig.h"
+
+	/* Function Prototypes: */
+		void DecodeEthernetFrameHeader(void* InDataStart);
+		void DecodeARPHeader(void* InDataStart);
+		void DecodeIPHeader(void* InDataStart);
+		void DecodeICMPHeader(void* InDataStart);
+		void DecodeTCPHeader(void* InDataStart);
+		void DecodeUDPHeader(void* InDataStart);
+		void DecodeDHCPHeader(void* InDataStart);
+
+#endif
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/RNDIS.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/RNDIS.c
new file mode 100644
index 0000000000..00052ed39d
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/RNDIS.c
@@ -0,0 +1,394 @@
+/*
+             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
+ *
+ *  RNDIS command handler functions. This handles RNDIS commands according to
+ *  the Microsoft RNDIS specification, creating a USB Ethernet network adapter.
+ */
+
+#define  INCLUDE_FROM_RNDIS_C
+#include "RNDIS.h"
+
+/** Physical MAC address of the network adapter, which becomes the MAC address of the host for packets sent to the adapter. */
+static const MAC_Address_t PROGMEM AdapterMACAddress     = {ADAPTER_MAC_ADDRESS};
+
+/** Vendor description of the adapter. This is overridden by the INF file required to install the appropriate RNDIS drivers for
+ *  the device, but may still be used by the OS in some circumstances.
+ */
+static const char PROGMEM AdapterVendorDescription[]     = "LUFA RNDIS Adapter";
+
+/** List of RNDIS OID commands supported by this adapter. */
+static const uint32_t PROGMEM AdapterSupportedOIDList[]  =
+							{
+								OID_GEN_SUPPORTED_LIST,
+								OID_GEN_PHYSICAL_MEDIUM,
+								OID_GEN_HARDWARE_STATUS,
+								OID_GEN_MEDIA_SUPPORTED,
+								OID_GEN_MEDIA_IN_USE,
+								OID_GEN_MAXIMUM_FRAME_SIZE,
+								OID_GEN_MAXIMUM_TOTAL_SIZE,
+								OID_GEN_LINK_SPEED,
+								OID_GEN_TRANSMIT_BLOCK_SIZE,
+								OID_GEN_RECEIVE_BLOCK_SIZE,
+								OID_GEN_VENDOR_ID,
+								OID_GEN_VENDOR_DESCRIPTION,
+								OID_GEN_CURRENT_PACKET_FILTER,
+								OID_GEN_MAXIMUM_TOTAL_SIZE,
+								OID_GEN_MEDIA_CONNECT_STATUS,
+								OID_GEN_XMIT_OK,
+								OID_GEN_RCV_OK,
+								OID_GEN_XMIT_ERROR,
+								OID_GEN_RCV_ERROR,
+								OID_GEN_RCV_NO_BUFFER,
+								OID_802_3_PERMANENT_ADDRESS,
+								OID_802_3_CURRENT_ADDRESS,
+								OID_802_3_MULTICAST_LIST,
+								OID_802_3_MAXIMUM_LIST_SIZE,
+								OID_802_3_RCV_ERROR_ALIGNMENT,
+								OID_802_3_XMIT_ONE_COLLISION,
+								OID_802_3_XMIT_MORE_COLLISIONS,
+							};
+
+/** Buffer for RNDIS messages (as distinct from Ethernet frames sent through the adapter. This must be big enough to hold the entire
+ *  Supported OID list, plus the response header. The buffer is half-duplex, and is written to as it is read to save on SRAM - for this
+ *  reason, care must be taken when constructing RNDIS responses that unread data is not overwritten when writing in responses.
+ */
+uint8_t                 RNDISMessageBuffer[sizeof(AdapterSupportedOIDList) + sizeof(RNDIS_Query_Complete_t)];
+
+/** Pointer to the RNDIS message header at the top of the RNDIS message buffer, for convenience. */
+RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISMessageBuffer;
+
+/** Indicates if a RNDIS message response is ready to be sent back to the host. */
+bool                    ResponseReady               = false;
+
+/** Current RNDIS adapter state, a value from the \c RNDIS_States_t enum. */
+uint8_t                 CurrRNDISState              = RNDIS_Uninitialized;
+
+/** Current Ethernet packet filter mask. This is non-zero when the adapter is initialized, or zero when disabled. */
+uint32_t                CurrPacketFilter            = 0;
+
+
+/** Processes the RNDIS message received by the host and stored in the RNDISMessageBuffer global buffer. If a response is
+ *  created, the ResponseReady global is updated so that the response is written back to the host upon request.
+ */
+void ProcessRNDISControlMessage(void)
+{
+	/* Note: Only a single buffer is used for both the received message and its response to save SRAM. Because of
+	         this, response bytes should be filled in order so that they do not clobber unread data in the buffer. */
+
+	switch (MessageHeader->MessageType)
+	{
+		case REMOTE_NDIS_INITIALIZE_MSG:
+			/* Initialize the adapter - return information about the supported RNDIS version and buffer sizes */
+
+			ResponseReady = true;
+
+			RNDIS_Initialize_Message_t*  INITIALIZE_Message  = (RNDIS_Initialize_Message_t*)&RNDISMessageBuffer;
+			RNDIS_Initialize_Complete_t* INITIALIZE_Response = (RNDIS_Initialize_Complete_t*)&RNDISMessageBuffer;
+
+			INITIALIZE_Response->MessageType           = REMOTE_NDIS_INITIALIZE_CMPLT;
+			INITIALIZE_Response->MessageLength         = sizeof(RNDIS_Initialize_Complete_t);
+			INITIALIZE_Response->RequestId             = INITIALIZE_Message->RequestId;
+			INITIALIZE_Response->Status                = REMOTE_NDIS_STATUS_SUCCESS;
+
+			INITIALIZE_Response->MajorVersion          = REMOTE_NDIS_VERSION_MAJOR;
+			INITIALIZE_Response->MinorVersion          = REMOTE_NDIS_VERSION_MINOR;
+			INITIALIZE_Response->DeviceFlags           = REMOTE_NDIS_DF_CONNECTIONLESS;
+			INITIALIZE_Response->Medium                = REMOTE_NDIS_MEDIUM_802_3;
+			INITIALIZE_Response->MaxPacketsPerTransfer = 1;
+			INITIALIZE_Response->MaxTransferSize       = (sizeof(RNDIS_Packet_Message_t) + ETHERNET_FRAME_SIZE_MAX);
+			INITIALIZE_Response->PacketAlignmentFactor = 0;
+			INITIALIZE_Response->AFListOffset          = 0;
+			INITIALIZE_Response->AFListSize            = 0;
+
+			CurrRNDISState = RNDIS_Initialized;
+
+			break;
+		case REMOTE_NDIS_HALT_MSG:
+			/* Halt the adapter, reset the adapter state - note that no response should be returned when completed */
+
+			ResponseReady = false;
+			MessageHeader->MessageLength = 0;
+
+			CurrRNDISState = RNDIS_Uninitialized;
+
+			break;
+		case REMOTE_NDIS_QUERY_MSG:
+			/* Request for information about a parameter about the adapter, specified as an OID token */
+
+			ResponseReady = true;
+
+			RNDIS_Query_Message_t*  QUERY_Message  = (RNDIS_Query_Message_t*)&RNDISMessageBuffer;
+			RNDIS_Query_Complete_t* QUERY_Response = (RNDIS_Query_Complete_t*)&RNDISMessageBuffer;
+			uint32_t                Query_Oid      = QUERY_Message->Oid;
+
+			void*     QueryData                 = &RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
+			                                                          QUERY_Message->InformationBufferOffset];
+			void*     ResponseData              = &RNDISMessageBuffer[sizeof(RNDIS_Query_Complete_t)];
+			uint16_t  ResponseSize;
+
+			QUERY_Response->MessageType         = REMOTE_NDIS_QUERY_CMPLT;
+			QUERY_Response->MessageLength       = sizeof(RNDIS_Query_Complete_t);
+
+			if (ProcessNDISQuery(Query_Oid, QueryData, QUERY_Message->InformationBufferLength,
+			                     ResponseData, &ResponseSize))
+			{
+				QUERY_Response->Status                  = REMOTE_NDIS_STATUS_SUCCESS;
+				QUERY_Response->MessageLength          += ResponseSize;
+
+				QUERY_Response->InformationBufferLength = ResponseSize;
+				QUERY_Response->InformationBufferOffset = (sizeof(RNDIS_Query_Complete_t) - sizeof(RNDIS_Message_Header_t));
+			}
+			else
+			{
+				QUERY_Response->Status                  = REMOTE_NDIS_STATUS_NOT_SUPPORTED;
+
+				QUERY_Response->InformationBufferLength = 0;
+				QUERY_Response->InformationBufferOffset = 0;
+			}
+
+			break;
+		case REMOTE_NDIS_SET_MSG:
+			/* Request to set a parameter of the adapter, specified as an OID token */
+
+			ResponseReady = true;
+
+			RNDIS_Set_Message_t*  SET_Message  = (RNDIS_Set_Message_t*)&RNDISMessageBuffer;
+			RNDIS_Set_Complete_t* SET_Response = (RNDIS_Set_Complete_t*)&RNDISMessageBuffer;
+			uint32_t              SET_Oid      = SET_Message->Oid;
+
+			SET_Response->MessageType       = REMOTE_NDIS_SET_CMPLT;
+			SET_Response->MessageLength     = sizeof(RNDIS_Set_Complete_t);
+			SET_Response->RequestId         = SET_Message->RequestId;
+
+			void* SetData                   = &RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
+			                                                      SET_Message->InformationBufferOffset];
+
+			if (ProcessNDISSet(SET_Oid, SetData, SET_Message->InformationBufferLength))
+			  SET_Response->Status        = REMOTE_NDIS_STATUS_SUCCESS;
+			else
+			  SET_Response->Status        = REMOTE_NDIS_STATUS_NOT_SUPPORTED;
+
+			break;
+		case REMOTE_NDIS_RESET_MSG:
+			/* Soft reset the adapter */
+
+			ResponseReady = true;
+
+			RNDIS_Reset_Complete_t* RESET_Response = (RNDIS_Reset_Complete_t*)&RNDISMessageBuffer;
+
+			RESET_Response->MessageType         = REMOTE_NDIS_RESET_CMPLT;
+			RESET_Response->MessageLength       = sizeof(RNDIS_Reset_Complete_t);
+			RESET_Response->Status              = REMOTE_NDIS_STATUS_SUCCESS;
+			RESET_Response->AddressingReset     = 0;
+
+			break;
+		case REMOTE_NDIS_KEEPALIVE_MSG:
+			/* Keep alive message sent to the adapter every 5 seconds when idle to ensure it is still responding */
+
+			ResponseReady = true;
+
+			RNDIS_KeepAlive_Message_t*  KEEPALIVE_Message  = (RNDIS_KeepAlive_Message_t*)&RNDISMessageBuffer;
+			RNDIS_KeepAlive_Complete_t* KEEPALIVE_Response = (RNDIS_KeepAlive_Complete_t*)&RNDISMessageBuffer;
+
+			KEEPALIVE_Response->MessageType     = REMOTE_NDIS_KEEPALIVE_CMPLT;
+			KEEPALIVE_Response->MessageLength   = sizeof(RNDIS_KeepAlive_Complete_t);
+			KEEPALIVE_Response->RequestId       = KEEPALIVE_Message->RequestId;
+			KEEPALIVE_Response->Status          = REMOTE_NDIS_STATUS_SUCCESS;
+
+			break;
+	}
+}
+
+/** Processes RNDIS query commands, retrieving information from the adapter and reporting it back to the host. The requested
+ *  parameter is given as an OID value.
+ *
+ *  \param[in] OId            OId value of the parameter being queried
+ *  \param[in] QueryData      Pointer to any extra query data being sent by the host to the device inside the RNDIS message buffer
+ *  \param[in] QuerySize      Size in bytes of the extra query data being sent by the host
+ *  \param[out] ResponseData  Pointer to the start of the query response inside the RNDIS message buffer
+ *  \param[out] ResponseSize  Pointer to the size in bytes of the response data being sent to the host
+ *
+ *  \return Boolean \c true if the query was handled, \c false otherwise
+ */
+static bool ProcessNDISQuery(const uint32_t OId, void* QueryData, uint16_t QuerySize,
+                             void* ResponseData, uint16_t* ResponseSize)
+{
+	/* Handler for REMOTE_NDIS_QUERY_MSG messages */
+
+	switch (OId)
+	{
+		case OID_GEN_SUPPORTED_LIST:
+			*ResponseSize = sizeof(AdapterSupportedOIDList);
+
+			/* Copy the list of supported NDIS OID tokens to the response buffer */
+			memcpy_P(ResponseData, AdapterSupportedOIDList, sizeof(AdapterSupportedOIDList));
+
+			return true;
+		case OID_GEN_PHYSICAL_MEDIUM:
+			*ResponseSize = sizeof(uint32_t);
+
+			/* Indicate that the device is a true ethernet link */
+			*((uint32_t*)ResponseData) = 0;
+
+			return true;
+		case OID_GEN_HARDWARE_STATUS:
+			*ResponseSize = sizeof(uint32_t);
+
+			/* Always indicate hardware ready */
+			*((uint32_t*)ResponseData) = NDIS_HardwareStatus_Ready;
+
+			return true;
+		case OID_GEN_MEDIA_SUPPORTED:
+		case OID_GEN_MEDIA_IN_USE:
+			*ResponseSize = sizeof(uint32_t);
+
+			/* Indicate 802.3 (Ethernet) supported by the adapter */
+			*((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIUM_802_3;
+
+			return true;
+		case OID_GEN_VENDOR_ID:
+			*ResponseSize = sizeof(uint32_t);
+
+			/* Vendor ID 0x0xFFFFFF is reserved for vendors who have not purchased a NDIS VID */
+			*((uint32_t*)ResponseData) = 0x00FFFFFF;
+
+			return true;
+		case OID_GEN_MAXIMUM_FRAME_SIZE:
+		case OID_GEN_TRANSMIT_BLOCK_SIZE:
+		case OID_GEN_RECEIVE_BLOCK_SIZE:
+			*ResponseSize = sizeof(uint32_t);
+
+			/* Indicate that the maximum frame size is the size of the ethernet frame buffer */
+			*((uint32_t*)ResponseData) = ETHERNET_FRAME_SIZE_MAX;
+
+			return true;
+		case OID_GEN_VENDOR_DESCRIPTION:
+			*ResponseSize = sizeof(AdapterVendorDescription);
+
+			/* Copy vendor description string to the response buffer */
+			memcpy_P(ResponseData, AdapterVendorDescription, sizeof(AdapterVendorDescription));
+
+			return true;
+		case OID_GEN_MEDIA_CONNECT_STATUS:
+			*ResponseSize = sizeof(uint32_t);
+
+			/* Always indicate that the adapter is connected to a network */
+			*((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIA_STATE_CONNECTED;
+
+			return true;
+		case OID_GEN_LINK_SPEED:
+			*ResponseSize = sizeof(uint32_t);
+
+			/* Indicate 10Mb/s link speed */
+			*((uint32_t*)ResponseData) = 100000;
+
+			return true;
+		case OID_802_3_PERMANENT_ADDRESS:
+		case OID_802_3_CURRENT_ADDRESS:
+			*ResponseSize = sizeof(MAC_Address_t);
+
+			/* Copy over the fixed adapter MAC to the response buffer */
+			memcpy_P(ResponseData, &AdapterMACAddress, sizeof(MAC_Address_t));
+
+			return true;
+		case OID_802_3_MAXIMUM_LIST_SIZE:
+			*ResponseSize = sizeof(uint32_t);
+
+			/* Indicate only one multicast address supported */
+			*((uint32_t*)ResponseData) = 1;
+
+			return true;
+		case OID_GEN_CURRENT_PACKET_FILTER:
+			*ResponseSize = sizeof(uint32_t);
+
+			/* Indicate the current packet filter mask */
+			*((uint32_t*)ResponseData) = CurrPacketFilter;
+
+			return true;
+		case OID_GEN_XMIT_OK:
+		case OID_GEN_RCV_OK:
+		case OID_GEN_XMIT_ERROR:
+		case OID_GEN_RCV_ERROR:
+		case OID_GEN_RCV_NO_BUFFER:
+		case OID_802_3_RCV_ERROR_ALIGNMENT:
+		case OID_802_3_XMIT_ONE_COLLISION:
+		case OID_802_3_XMIT_MORE_COLLISIONS:
+			*ResponseSize = sizeof(uint32_t);
+
+			/* Unused statistic OIDs - always return 0 for each */
+			*((uint32_t*)ResponseData) = 0;
+
+			return true;
+		case OID_GEN_MAXIMUM_TOTAL_SIZE:
+			*ResponseSize = sizeof(uint32_t);
+
+			/* Indicate maximum overall buffer (Ethernet frame and RNDIS header) the adapter can handle */
+			*((uint32_t*)ResponseData) = (sizeof(RNDISMessageBuffer) + ETHERNET_FRAME_SIZE_MAX);
+
+			return true;
+		default:
+			return false;
+	}
+}
+
+/** Processes RNDIS set commands, setting adapter parameters to values given by the host. The requested parameter is given
+ *  as an OID value.
+ *
+ *  \param[in] OId      OId value of the parameter being set
+ *  \param[in] SetData  Pointer to the parameter value in the RNDIS message buffer
+ *  \param[in] SetSize  Size in bytes of the parameter value being sent by the host
+ *
+ *  \return Boolean \c true if the set was handled, \c false otherwise
+ */
+static bool ProcessNDISSet(uint32_t OId, void* SetData, uint16_t SetSize)
+{
+	/* Handler for REMOTE_NDIS_SET_MSG messages */
+
+	switch (OId)
+	{
+		case OID_GEN_CURRENT_PACKET_FILTER:
+			/* Save the packet filter mask in case the host queries it again later */
+			CurrPacketFilter = *((uint32_t*)SetData);
+
+			/* Set the RNDIS state to initialized if the packet filter is non-zero */
+			CurrRNDISState = ((CurrPacketFilter) ? RNDIS_Data_Initialized : RNDIS_Initialized);
+
+			return true;
+		case OID_802_3_MULTICAST_LIST:
+			/* Do nothing - throw away the value from the host as it is unused */
+
+			return true;
+		default:
+			return false;
+	}
+}
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/RNDIS.h b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/RNDIS.h
new file mode 100644
index 0000000000..bea97f79df
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/RNDIS.h
@@ -0,0 +1,67 @@
+/*
+             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 RNDIS.c.
+ */
+
+#ifndef _RNDIS_H_
+#define _RNDIS_H_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <stdbool.h>
+
+		#include "../RNDISEthernet.h"
+		#include "Ethernet.h"
+
+	/* External Variables: */
+		extern uint8_t                 RNDISMessageBuffer[];
+		extern RNDIS_Message_Header_t* MessageHeader;
+		extern bool                    ResponseReady;
+		extern uint8_t                 CurrRNDISState;
+
+	/* Function Prototypes: */
+		void ProcessRNDISControlMessage(void);
+
+		#if defined(INCLUDE_FROM_RNDIS_C)
+			static bool ProcessNDISQuery(const uint32_t OId,
+			                             void* QueryData,
+			                             uint16_t QuerySize,
+			                             void* ResponseData,
+			                             uint16_t* ResponseSize);
+			static bool ProcessNDISSet(const uint32_t OId,
+			                           void* SetData,
+			                           uint16_t SetSize);
+		#endif
+
+#endif
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.c
new file mode 100644
index 0000000000..a6f1f6adfc
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.c
@@ -0,0 +1,631 @@
+/*
+             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
+ *
+ *  Transmission Control Protocol (TCP) packet handling routines. This protocol handles the reliable in-order transmission
+ *  and reception of packets to and from devices on a network, to "ports" on the device. It is used in situations where data
+ *  delivery must be reliable and correct, e.g. HTTP, TELNET and most other non-streaming protocols.
+ */
+
+#define  INCLUDE_FROM_TCP_C
+#include "TCP.h"
+
+/** Port state table array. This contains the current status of TCP ports in the device. To save on space, only open ports are
+ *  stored - closed ports may be overwritten at any time, and the system will assume any ports not present in the array are closed. This
+ *  allows for MAX_OPEN_TCP_PORTS to be less than the number of ports used by the application if desired.
+ */
+TCP_PortState_t        PortStateTable[MAX_OPEN_TCP_PORTS];
+
+/** Connection state table array. This contains the current status of TCP connections in the device. To save on space, only active
+ *  (non-closed) connections are stored - closed connections may be overwritten at any time, and the system will assume any connections
+ *  not present in the array are closed.
+ */
+TCP_ConnectionState_t  ConnectionStateTable[MAX_TCP_CONNECTIONS];
+
+
+/** Task to handle the calling of each registered application's callback function, to process and generate TCP packets at the application
+ *  level. If an application produces a response, this task constructs the appropriate Ethernet frame and places it into the Ethernet OUT
+ *  buffer for later transmission.
+ */
+void TCP_Task(void)
+{
+	/* Run each application in sequence, to process incoming and generate outgoing packets */
+	for (uint8_t CSTableEntry = 0; CSTableEntry < MAX_TCP_CONNECTIONS; CSTableEntry++)
+	{
+		/* Find the corresponding port entry in the port table */
+		for (uint8_t PTableEntry = 0; PTableEntry < MAX_OPEN_TCP_PORTS; PTableEntry++)
+		{
+			/* Run the application handler for the port */
+			if ((PortStateTable[PTableEntry].Port  == ConnectionStateTable[CSTableEntry].Port) &&
+			    (PortStateTable[PTableEntry].State == TCP_Port_Open))
+			{
+				PortStateTable[PTableEntry].ApplicationHandler(&ConnectionStateTable[CSTableEntry],
+				                                               &ConnectionStateTable[CSTableEntry].Info.Buffer);
+			}
+		}
+	}
+
+	/* Bail out early if there is already a frame waiting to be sent in the Ethernet OUT buffer */
+	if (FrameOUT.FrameLength)
+	  return;
+
+	/* Send response packets from each application as the TCP packet buffers are filled by the applications */
+	for (uint8_t CSTableEntry = 0; CSTableEntry < MAX_TCP_CONNECTIONS; CSTableEntry++)
+	{
+		/* For each completely received packet, pass it along to the listening application */
+		if ((ConnectionStateTable[CSTableEntry].Info.Buffer.Direction == TCP_PACKETDIR_OUT) &&
+		    (ConnectionStateTable[CSTableEntry].Info.Buffer.Ready))
+		{
+			Ethernet_Frame_Header_t* FrameOUTHeader = (Ethernet_Frame_Header_t*)&FrameOUT.FrameData;
+			IP_Header_t*             IPHeaderOUT    = (IP_Header_t*)&FrameOUT.FrameData[sizeof(Ethernet_Frame_Header_t)];
+			TCP_Header_t*            TCPHeaderOUT   = (TCP_Header_t*)&FrameOUT.FrameData[sizeof(Ethernet_Frame_Header_t) +
+			                                                                             sizeof(IP_Header_t)];
+			void*                    TCPDataOUT     = &FrameOUT.FrameData[sizeof(Ethernet_Frame_Header_t) +
+			                                                              sizeof(IP_Header_t) +
+			                                                              sizeof(TCP_Header_t)];
+
+			uint16_t PacketSize = ConnectionStateTable[CSTableEntry].Info.Buffer.Length;
+
+			/* Fill out the TCP data */
+			TCPHeaderOUT->SourcePort           = ConnectionStateTable[CSTableEntry].Port;
+			TCPHeaderOUT->DestinationPort      = ConnectionStateTable[CSTableEntry].RemotePort;
+			TCPHeaderOUT->SequenceNumber       = SwapEndian_32(ConnectionStateTable[CSTableEntry].Info.SequenceNumberOut);
+			TCPHeaderOUT->AcknowledgmentNumber = SwapEndian_32(ConnectionStateTable[CSTableEntry].Info.SequenceNumberIn);
+			TCPHeaderOUT->DataOffset           = (sizeof(TCP_Header_t) / sizeof(uint32_t));
+			TCPHeaderOUT->WindowSize           = SwapEndian_16(TCP_WINDOW_SIZE);
+
+			TCPHeaderOUT->Flags                = TCP_FLAG_ACK;
+			TCPHeaderOUT->UrgentPointer        = 0;
+			TCPHeaderOUT->Checksum             = 0;
+			TCPHeaderOUT->Reserved             = 0;
+
+			memcpy(TCPDataOUT, ConnectionStateTable[CSTableEntry].Info.Buffer.Data, PacketSize);
+
+			ConnectionStateTable[CSTableEntry].Info.SequenceNumberOut += PacketSize;
+
+			TCPHeaderOUT->Checksum             = TCP_Checksum16(TCPHeaderOUT, &ServerIPAddress,
+			                                                    &ConnectionStateTable[CSTableEntry].RemoteAddress,
+			                                                    (sizeof(TCP_Header_t) + PacketSize));
+
+			PacketSize += sizeof(TCP_Header_t);
+
+			/* Fill out the response IP header */
+			IPHeaderOUT->TotalLength        = SwapEndian_16(sizeof(IP_Header_t) + PacketSize);
+			IPHeaderOUT->TypeOfService      = 0;
+			IPHeaderOUT->HeaderLength       = (sizeof(IP_Header_t) / sizeof(uint32_t));
+			IPHeaderOUT->Version            = 4;
+			IPHeaderOUT->Flags              = 0;
+			IPHeaderOUT->FragmentOffset     = 0;
+			IPHeaderOUT->Identification     = 0;
+			IPHeaderOUT->HeaderChecksum     = 0;
+			IPHeaderOUT->Protocol           = PROTOCOL_TCP;
+			IPHeaderOUT->TTL                = DEFAULT_TTL;
+			IPHeaderOUT->SourceAddress      = ServerIPAddress;
+			IPHeaderOUT->DestinationAddress = ConnectionStateTable[CSTableEntry].RemoteAddress;
+
+			IPHeaderOUT->HeaderChecksum     = Ethernet_Checksum16(IPHeaderOUT, sizeof(IP_Header_t));
+
+			PacketSize += sizeof(IP_Header_t);
+
+			/* Fill out the response Ethernet frame header */
+			FrameOUTHeader->Source          = ServerMACAddress;
+			FrameOUTHeader->Destination     = (MAC_Address_t){{0x02, 0x00, 0x02, 0x00, 0x02, 0x00}};
+			FrameOUTHeader->EtherType       = SwapEndian_16(ETHERTYPE_IPV4);
+
+			PacketSize += sizeof(Ethernet_Frame_Header_t);
+
+			/* Set the response length in the buffer and indicate that a response is ready to be sent */
+			FrameOUT.FrameLength            = PacketSize;
+
+			ConnectionStateTable[CSTableEntry].Info.Buffer.Ready = false;
+
+			break;
+		}
+	}
+}
+
+/** Initializes the TCP protocol handler, clearing the port and connection state tables. This must be called before TCP packets are
+ *  processed.
+ */
+void TCP_Init(void)
+{
+	/* Initialize the port state table with all CLOSED entries */
+	for (uint8_t PTableEntry = 0; PTableEntry < MAX_OPEN_TCP_PORTS; PTableEntry++)
+	  PortStateTable[PTableEntry].State = TCP_Port_Closed;
+
+	/* Initialize the connection table with all CLOSED entries */
+	for (uint8_t CSTableEntry = 0; CSTableEntry < MAX_TCP_CONNECTIONS; CSTableEntry++)
+	  ConnectionStateTable[CSTableEntry].State = TCP_Connection_Closed;
+}
+
+/** Sets the state and callback handler of the given port, specified in big endian to the given state.
+ *
+ *  \param[in] Port     Port whose state and callback function to set, specified in big endian
+ *  \param[in] State    New state of the port, a value from the \ref TCP_PortStates_t enum
+ *  \param[in] Handler  Application callback handler for the port
+ *
+ *  \return Boolean \c true if the port state was set, \c false otherwise (no more space in the port state table)
+ */
+bool TCP_SetPortState(const uint16_t Port,
+                      const uint8_t State,
+                      void (*Handler)(TCP_ConnectionState_t*, TCP_ConnectionBuffer_t*))
+{
+	/* Note, Port number should be specified in BIG endian to simplify network code */
+
+	/* Check to see if the port entry is already in the port state table */
+	for (uint8_t PTableEntry = 0; PTableEntry < MAX_OPEN_TCP_PORTS; PTableEntry++)
+	{
+		/* Find existing entry for the port in the table, update it if found */
+		if (PortStateTable[PTableEntry].Port == Port)
+		{
+			PortStateTable[PTableEntry].State = State;
+			PortStateTable[PTableEntry].ApplicationHandler = Handler;
+			return true;
+		}
+	}
+
+	/* Check if trying to open the port -- if so we need to find an unused (closed) entry and replace it */
+	if (State == TCP_Port_Open)
+	{
+		for (uint8_t PTableEntry = 0; PTableEntry < MAX_OPEN_TCP_PORTS; PTableEntry++)
+		{
+			/* Find a closed port entry in the table, change it to the given port and state */
+			if (PortStateTable[PTableEntry].State == TCP_Port_Closed)
+			{
+				PortStateTable[PTableEntry].Port  = Port;
+				PortStateTable[PTableEntry].State = State;
+				PortStateTable[PTableEntry].ApplicationHandler = Handler;
+				return true;
+			}
+		}
+
+		/* Port not in table and no room to add it, return failure */
+		return false;
+	}
+	else
+	{
+		/* Port not in table but trying to close it, so operation successful */
+		return true;
+	}
+}
+
+/** Retrieves the current state of a given TCP port, specified in big endian.
+ *
+ *  \param[in] Port  TCP port whose state is to be retrieved, given in big-endian
+ *
+ *  \return A value from the \ref TCP_PortStates_t enum
+ */
+uint8_t TCP_GetPortState(const uint16_t Port)
+{
+	/* Note, Port number should be specified in BIG endian to simplify network code */
+
+	for (uint8_t PTableEntry = 0; PTableEntry < MAX_OPEN_TCP_PORTS; PTableEntry++)
+	{
+		/* Find existing entry for the port in the table, return the port status if found */
+		if (PortStateTable[PTableEntry].Port == Port)
+		  return PortStateTable[PTableEntry].State;
+	}
+
+	/* Port not in table, assume closed */
+	return TCP_Port_Closed;
+}
+
+/** Sets the connection state of the given port, remote address and remote port to the given TCP connection state. If the
+ *  connection exists in the connection state table it is updated, otherwise it is created if possible.
+ *
+ *  \param[in] Port           TCP port of the connection on the device, specified in big endian
+ *  \param[in] RemoteAddress  Remote protocol IP address of the connected device
+ *  \param[in] RemotePort     TCP port of the remote device in the connection, specified in big endian
+ *  \param[in] State          TCP connection state, a value from the \ref TCP_ConnectionStates_t enum
+ *
+ *  \return Boolean \c true if the connection was updated or created, \c false otherwise (no more space in the connection state table)
+ */
+bool TCP_SetConnectionState(const uint16_t Port,
+                            const IP_Address_t* RemoteAddress,
+                            const uint16_t RemotePort,
+                            const uint8_t State)
+{
+	/* Note, Port number should be specified in BIG endian to simplify network code */
+
+	for (uint8_t CSTableEntry = 0; CSTableEntry < MAX_TCP_CONNECTIONS; CSTableEntry++)
+	{
+		/* Find port entry in the table */
+		if ((ConnectionStateTable[CSTableEntry].Port == Port) &&
+		     IP_COMPARE(&ConnectionStateTable[CSTableEntry].RemoteAddress, RemoteAddress) &&
+			 ConnectionStateTable[CSTableEntry].RemotePort == RemotePort)
+		{
+			ConnectionStateTable[CSTableEntry].State = State;
+			return true;
+		}
+	}
+
+	for (uint8_t CSTableEntry = 0; CSTableEntry < MAX_TCP_CONNECTIONS; CSTableEntry++)
+	{
+		/* Find empty entry in the table */
+		if (ConnectionStateTable[CSTableEntry].State == TCP_Connection_Closed)
+		{
+			ConnectionStateTable[CSTableEntry].Port          = Port;
+			ConnectionStateTable[CSTableEntry].RemoteAddress = *RemoteAddress;
+			ConnectionStateTable[CSTableEntry].RemotePort    = RemotePort;
+			ConnectionStateTable[CSTableEntry].State         = State;
+			return true;
+		}
+	}
+
+	return false;
+}
+
+/** Retrieves the current state of a given TCP connection to a host.
+ *
+ *  \param[in] Port           TCP port on the device in the connection, specified in big endian
+ *  \param[in] RemoteAddress  Remote protocol IP address of the connected host
+ *  \param[in] RemotePort     Remote TCP port of the connected host, specified in big endian
+ *
+ *  \return A value from the \ref TCP_ConnectionStates_t enum
+ */
+uint8_t TCP_GetConnectionState(const uint16_t Port,
+                               const IP_Address_t* RemoteAddress,
+                               const uint16_t RemotePort)
+{
+	/* Note, Port number should be specified in BIG endian to simplify network code */
+
+	for (uint8_t CSTableEntry = 0; CSTableEntry < MAX_TCP_CONNECTIONS; CSTableEntry++)
+	{
+		/* Find port entry in the table */
+		if ((ConnectionStateTable[CSTableEntry].Port == Port) &&
+		     IP_COMPARE(&ConnectionStateTable[CSTableEntry].RemoteAddress, RemoteAddress) &&
+			 ConnectionStateTable[CSTableEntry].RemotePort == RemotePort)
+
+		{
+			return ConnectionStateTable[CSTableEntry].State;
+		}
+	}
+
+	return TCP_Connection_Closed;
+}
+
+/** Retrieves the connection info structure of a given connection to a host.
+ *
+ *  \param[in] Port           TCP port on the device in the connection, specified in big endian
+ *  \param[in] RemoteAddress  Remote protocol IP address of the connected host
+ *  \param[in] RemotePort     Remote TCP port of the connected host, specified in big endian
+ *
+ *  \return ConnectionInfo structure of the connection if found, NULL otherwise
+ */
+TCP_ConnectionInfo_t* TCP_GetConnectionInfo(const uint16_t Port,
+                                            const IP_Address_t* RemoteAddress,
+                                            const uint16_t RemotePort)
+{
+	/* Note, Port number should be specified in BIG endian to simplify network code */
+
+	for (uint8_t CSTableEntry = 0; CSTableEntry < MAX_TCP_CONNECTIONS; CSTableEntry++)
+	{
+		/* Find port entry in the table */
+		if ((ConnectionStateTable[CSTableEntry].Port == Port) &&
+		     IP_COMPARE(&ConnectionStateTable[CSTableEntry].RemoteAddress, RemoteAddress) &&
+			 ConnectionStateTable[CSTableEntry].RemotePort == RemotePort)
+		{
+			return &ConnectionStateTable[CSTableEntry].Info;
+		}
+	}
+
+	return NULL;
+}
+
+/** Processes a TCP packet inside an Ethernet frame, and writes the appropriate response
+ *  to the output Ethernet frame if one is created by a application handler.
+ *
+ *  \param[in] IPHeaderInStart     Pointer to the start of the incoming packet's IP header
+ *  \param[in] TCPHeaderInStart    Pointer to the start of the incoming packet's TCP header
+ *  \param[out] TCPHeaderOutStart  Pointer to the start of the outgoing packet's TCP header
+ *
+ *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE if no
+ *           response was generated, NO_PROCESS if the packet processing was deferred until the
+ *           next Ethernet packet handler iteration
+ */
+int16_t TCP_ProcessTCPPacket(void* IPHeaderInStart,
+                             void* TCPHeaderInStart,
+                             void* TCPHeaderOutStart)
+{
+	IP_Header_t*  IPHeaderIN   = (IP_Header_t*)IPHeaderInStart;
+	TCP_Header_t* TCPHeaderIN  = (TCP_Header_t*)TCPHeaderInStart;
+	TCP_Header_t* TCPHeaderOUT = (TCP_Header_t*)TCPHeaderOutStart;
+
+	TCP_ConnectionInfo_t* ConnectionInfo;
+
+	DecodeTCPHeader(TCPHeaderInStart);
+
+	bool PacketResponse = false;
+
+	/* Check if the destination port is open and allows incoming connections */
+	if (TCP_GetPortState(TCPHeaderIN->DestinationPort) == TCP_Port_Open)
+	{
+		/* Detect SYN from host to start a connection */
+		if (TCPHeaderIN->Flags & TCP_FLAG_SYN)
+		  TCP_SetConnectionState(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress, TCPHeaderIN->SourcePort, TCP_Connection_Listen);
+
+		/* Detect RST from host to abort existing connection */
+		if (TCPHeaderIN->Flags & TCP_FLAG_RST)
+		{
+			if (TCP_SetConnectionState(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+			                           TCPHeaderIN->SourcePort, TCP_Connection_Closed))
+			{
+				TCPHeaderOUT->Flags = (TCP_FLAG_RST | TCP_FLAG_ACK);
+				PacketResponse = true;
+			}
+		}
+		else
+		{
+			/* Process the incoming TCP packet based on the current connection state for the sender and port */
+			switch (TCP_GetConnectionState(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress, TCPHeaderIN->SourcePort))
+			{
+				case TCP_Connection_Listen:
+					if (TCPHeaderIN->Flags == TCP_FLAG_SYN)
+					{
+						/* SYN connection starts a connection with a peer */
+						if (TCP_SetConnectionState(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+						                           TCPHeaderIN->SourcePort, TCP_Connection_SYNReceived))
+						{
+							TCPHeaderOUT->Flags = (TCP_FLAG_SYN | TCP_FLAG_ACK);
+
+							ConnectionInfo = TCP_GetConnectionInfo(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress, TCPHeaderIN->SourcePort);
+
+							ConnectionInfo->SequenceNumberIn  = (SwapEndian_32(TCPHeaderIN->SequenceNumber) + 1);
+							ConnectionInfo->SequenceNumberOut = 0;
+							ConnectionInfo->Buffer.InUse      = false;
+						}
+						else
+						{
+							TCPHeaderOUT->Flags = TCP_FLAG_RST;
+						}
+
+						PacketResponse      = true;
+					}
+
+					break;
+				case TCP_Connection_SYNReceived:
+					if (TCPHeaderIN->Flags == TCP_FLAG_ACK)
+					{
+						/* ACK during the connection process completes the connection to a peer */
+
+						TCP_SetConnectionState(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+											   TCPHeaderIN->SourcePort, TCP_Connection_Established);
+
+						ConnectionInfo = TCP_GetConnectionInfo(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+															   TCPHeaderIN->SourcePort);
+
+						ConnectionInfo->SequenceNumberOut++;
+					}
+
+					break;
+				case TCP_Connection_Established:
+					if (TCPHeaderIN->Flags == (TCP_FLAG_FIN | TCP_FLAG_ACK))
+					{
+						/* FIN ACK when connected to a peer starts the finalization process */
+
+						TCPHeaderOUT->Flags = (TCP_FLAG_FIN | TCP_FLAG_ACK);
+						PacketResponse      = true;
+
+						TCP_SetConnectionState(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+											   TCPHeaderIN->SourcePort, TCP_Connection_CloseWait);
+
+						ConnectionInfo = TCP_GetConnectionInfo(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+															   TCPHeaderIN->SourcePort);
+
+						ConnectionInfo->SequenceNumberIn++;
+						ConnectionInfo->SequenceNumberOut++;
+					}
+					else if ((TCPHeaderIN->Flags == TCP_FLAG_ACK) || (TCPHeaderIN->Flags == (TCP_FLAG_ACK | TCP_FLAG_PSH)))
+					{
+						ConnectionInfo = TCP_GetConnectionInfo(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+															   TCPHeaderIN->SourcePort);
+
+						/* Check if the buffer is currently in use either by a buffered data to send, or receive */
+						if ((ConnectionInfo->Buffer.InUse == false) && (ConnectionInfo->Buffer.Ready == false))
+						{
+							ConnectionInfo->Buffer.Direction = TCP_PACKETDIR_IN;
+							ConnectionInfo->Buffer.InUse     = true;
+							ConnectionInfo->Buffer.Length    = 0;
+						}
+
+						/* Check if the buffer has been claimed by us to read in data from the peer */
+						if ((ConnectionInfo->Buffer.Direction == TCP_PACKETDIR_IN) &&
+							(ConnectionInfo->Buffer.Length != TCP_WINDOW_SIZE))
+						{
+							uint16_t IPOffset   = (IPHeaderIN->HeaderLength * sizeof(uint32_t));
+							uint16_t TCPOffset  = (TCPHeaderIN->DataOffset * sizeof(uint32_t));
+							uint16_t DataLength = (SwapEndian_16(IPHeaderIN->TotalLength) - IPOffset - TCPOffset);
+
+							/* Copy the packet data into the buffer */
+							memcpy(&ConnectionInfo->Buffer.Data[ConnectionInfo->Buffer.Length],
+								   &((uint8_t*)TCPHeaderInStart)[TCPOffset],
+								   DataLength);
+
+							ConnectionInfo->SequenceNumberIn += DataLength;
+							ConnectionInfo->Buffer.Length    += DataLength;
+
+							/* Check if the buffer is full or if the PSH flag is set, if so indicate buffer ready */
+							if ((!(TCP_WINDOW_SIZE - ConnectionInfo->Buffer.Length)) || (TCPHeaderIN->Flags & TCP_FLAG_PSH))
+							{
+								ConnectionInfo->Buffer.InUse = false;
+								ConnectionInfo->Buffer.Ready = true;
+
+								TCPHeaderOUT->Flags = TCP_FLAG_ACK;
+								PacketResponse      = true;
+							}
+						}
+						else
+						{
+							/* Buffer is currently in use by the application, defer processing of the incoming packet */
+							return NO_PROCESS;
+						}
+					}
+
+					break;
+				case TCP_Connection_Closing:
+						ConnectionInfo = TCP_GetConnectionInfo(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+															   TCPHeaderIN->SourcePort);
+
+						TCPHeaderOUT->Flags = (TCP_FLAG_ACK | TCP_FLAG_FIN);
+						PacketResponse      = true;
+
+						ConnectionInfo->Buffer.InUse = false;
+
+						TCP_SetConnectionState(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+											   TCPHeaderIN->SourcePort, TCP_Connection_FINWait1);
+
+					break;
+				case TCP_Connection_FINWait1:
+					if (TCPHeaderIN->Flags == (TCP_FLAG_FIN | TCP_FLAG_ACK))
+					{
+						ConnectionInfo = TCP_GetConnectionInfo(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+															   TCPHeaderIN->SourcePort);
+
+						TCPHeaderOUT->Flags = TCP_FLAG_ACK;
+						PacketResponse      = true;
+
+						ConnectionInfo->SequenceNumberIn++;
+						ConnectionInfo->SequenceNumberOut++;
+
+						TCP_SetConnectionState(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+											   TCPHeaderIN->SourcePort, TCP_Connection_Closed);
+					}
+					else if (TCPHeaderIN->Flags == TCP_FLAG_ACK)
+					{
+						TCP_SetConnectionState(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+											   TCPHeaderIN->SourcePort, TCP_Connection_FINWait2);
+					}
+
+					break;
+				case TCP_Connection_FINWait2:
+					if (TCPHeaderIN->Flags == (TCP_FLAG_FIN | TCP_FLAG_ACK))
+					{
+						ConnectionInfo = TCP_GetConnectionInfo(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+															   TCPHeaderIN->SourcePort);
+
+						TCPHeaderOUT->Flags = TCP_FLAG_ACK;
+						PacketResponse      = true;
+
+						ConnectionInfo->SequenceNumberIn++;
+						ConnectionInfo->SequenceNumberOut++;
+
+						TCP_SetConnectionState(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+											   TCPHeaderIN->SourcePort, TCP_Connection_Closed);
+					}
+
+					break;
+				case TCP_Connection_CloseWait:
+					if (TCPHeaderIN->Flags == TCP_FLAG_ACK)
+					{
+						TCP_SetConnectionState(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+											   TCPHeaderIN->SourcePort, TCP_Connection_Closed);
+					}
+
+					break;
+			}
+		}
+	}
+	else
+	{
+		/* Port is not open, indicate via a RST/ACK response to the sender */
+		TCPHeaderOUT->Flags = (TCP_FLAG_RST | TCP_FLAG_ACK);
+		PacketResponse      = true;
+	}
+
+	/* Check if we need to respond to the sent packet */
+	if (PacketResponse)
+	{
+		ConnectionInfo = TCP_GetConnectionInfo(TCPHeaderIN->DestinationPort, &IPHeaderIN->SourceAddress,
+		                                       TCPHeaderIN->SourcePort);
+
+		TCPHeaderOUT->SourcePort           = TCPHeaderIN->DestinationPort;
+		TCPHeaderOUT->DestinationPort      = TCPHeaderIN->SourcePort;
+		TCPHeaderOUT->SequenceNumber       = SwapEndian_32(ConnectionInfo->SequenceNumberOut);
+		TCPHeaderOUT->AcknowledgmentNumber = SwapEndian_32(ConnectionInfo->SequenceNumberIn);
+		TCPHeaderOUT->DataOffset           = (sizeof(TCP_Header_t) / sizeof(uint32_t));
+
+		if (!(ConnectionInfo->Buffer.InUse))
+		  TCPHeaderOUT->WindowSize         = SwapEndian_16(TCP_WINDOW_SIZE);
+		else
+		  TCPHeaderOUT->WindowSize         = SwapEndian_16(TCP_WINDOW_SIZE - ConnectionInfo->Buffer.Length);
+
+		TCPHeaderOUT->UrgentPointer        = 0;
+		TCPHeaderOUT->Checksum             = 0;
+		TCPHeaderOUT->Reserved             = 0;
+
+		TCPHeaderOUT->Checksum             = TCP_Checksum16(TCPHeaderOUT, &IPHeaderIN->DestinationAddress,
+		                                                    &IPHeaderIN->SourceAddress, sizeof(TCP_Header_t));
+
+		return sizeof(TCP_Header_t);
+	}
+
+	return NO_RESPONSE;
+}
+
+/** Calculates the appropriate TCP checksum, consisting of the addition of the one's compliment of each word,
+ *  complimented.
+ *
+ *  \param[in] TCPHeaderOutStart   Pointer to the start of the packet's outgoing TCP header
+ *  \param[in] SourceAddress       Source protocol IP address of the outgoing IP header
+ *  \param[in] DestinationAddress  Destination protocol IP address of the outgoing IP header
+ *  \param[in] TCPOutSize          Size in bytes of the TCP data header and payload
+ *
+ *  \return A 16-bit TCP checksum value
+ */
+static uint16_t TCP_Checksum16(void* TCPHeaderOutStart,
+                               const IP_Address_t* SourceAddress,
+                               const IP_Address_t* DestinationAddress,
+                               uint16_t TCPOutSize)
+{
+	uint32_t Checksum = 0;
+
+	/* TCP/IP checksums are the addition of the one's compliment of each word including the IP pseudo-header,
+	   complimented */
+
+	Checksum += ((uint16_t*)SourceAddress)[0];
+	Checksum += ((uint16_t*)SourceAddress)[1];
+	Checksum += ((uint16_t*)DestinationAddress)[0];
+	Checksum += ((uint16_t*)DestinationAddress)[1];
+	Checksum += SwapEndian_16(PROTOCOL_TCP);
+	Checksum += SwapEndian_16(TCPOutSize);
+
+	for (uint16_t CurrWord = 0; CurrWord < (TCPOutSize >> 1); CurrWord++)
+	  Checksum += ((uint16_t*)TCPHeaderOutStart)[CurrWord];
+
+	if (TCPOutSize & 0x01)
+	  Checksum += (((uint16_t*)TCPHeaderOutStart)[TCPOutSize >> 1] & 0x00FF);
+
+	while (Checksum & 0xFFFF0000)
+	  Checksum = ((Checksum & 0xFFFF) + (Checksum >> 16));
+
+	return ~Checksum;
+}
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.h b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.h
new file mode 100644
index 0000000000..ce8a9a2d0f
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.h
@@ -0,0 +1,260 @@
+/*
+             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 TCP.c.
+ */
+
+#ifndef _TCP_H_
+#define _TCP_H_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <stdbool.h>
+
+		#include "EthernetProtocols.h"
+		#include "Ethernet.h"
+		#include "ProtocolDecoders.h"
+
+	/* Macros: */
+		/** Maximum number of TCP ports which can be open at the one time. */
+		#define MAX_OPEN_TCP_PORTS              1
+
+		/** Maximum number of TCP connections which can be sustained at the one time. */
+		#define MAX_TCP_CONNECTIONS             3
+
+		/** TCP window size, giving the maximum number of bytes which can be buffered at the one time. */
+		#define TCP_WINDOW_SIZE                 512
+
+		/** Port number for HTTP transmissions. */
+		#define TCP_PORT_HTTP                   SwapEndian_16(80)
+
+		/** Data direction indicator for a TCP application buffer, indicating data from host-to-device. */
+		#define TCP_PACKETDIR_IN                false
+
+		/** Data direction indicator for a TCP application buffer, indicating data from device-to-host. */
+		#define TCP_PACKETDIR_OUT               true
+
+		/** Congestion Window Reduced TCP flag mask. */
+		#define TCP_FLAG_CWR                    (1 << 7)
+
+		/** Explicit Congestion Notification TCP flag mask. */
+		#define TCP_FLAG_ECE                    (1 << 6)
+
+		/** Urgent TCP flag mask. */
+		#define TCP_FLAG_URG                    (1 << 5)
+
+		/** Data Acknowledge TCP flag mask. */
+		#define TCP_FLAG_ACK                    (1 << 4)
+
+		/** Data Push TCP flag mask. */
+		#define TCP_FLAG_PSH                    (1 << 3)
+
+		/** Reset TCP flag mask. */
+		#define TCP_FLAG_RST                    (1 << 2)
+
+		/** Synchronize TCP flag mask. */
+		#define TCP_FLAG_SYN                    (1 << 1)
+
+		/** Connection Finalize TCP flag mask. */
+		#define TCP_FLAG_FIN                    (1 << 0)
+
+		/** Application macro: Determines if the given application buffer contains a packet received from the host
+		 *
+		 *  \param[in] Buffer  Application buffer to check
+		 *
+		 *  \return Boolean \c true if the buffer contains a packet from the host, \c false otherwise
+		 */
+		#define TCP_APP_HAS_RECEIVED_PACKET(Buffer)  (Buffer->Ready && (Buffer->Direction == TCP_PACKETDIR_IN))
+
+		/** Application macro: Indicates if the application buffer is currently locked by the application for device-to-host transfers.
+		 *
+		 *  \param[in] Buffer  Application buffer to check
+		 *
+		 *  \return Boolean \c true if the buffer has been captured by the application for device-to-host transmissions, \c false otherwise
+		 */
+		#define TCP_APP_HAVE_CAPTURED_BUFFER(Buffer) (!(Buffer->Ready) && Buffer->InUse && \
+		                                              (Buffer->Direction == TCP_PACKETDIR_OUT))
+
+		/** Application macro: Indicates if the application can lock the buffer for multiple continued device-to-host transmissions.
+		 *
+		 *  \param[in] Buffer  Application buffer to check
+		 *
+		 *  \return Boolean \c true if the buffer may be captured by the application for device-to-host transmissions, \c false otherwise
+		 */
+		#define TCP_APP_CAN_CAPTURE_BUFFER(Buffer)   Buffer->InUse
+
+		/** Application macro: Captures the application buffer, locking it for device-to-host transmissions only. This should be
+		 *  performed when the application needs to transmit several packets worth of data in succession with no interruptions from the host.
+		 *
+		 *  \pre The application must check that the buffer can be locked first using TCP_APP_CAN_CAPTURE_BUFFER().
+		 *
+		 *  \param[in] Buffer  Application buffer to lock
+		 */
+		#define TCP_APP_CAPTURE_BUFFER(Buffer)       do { Buffer->Direction = TCP_PACKETDIR_OUT; Buffer->InUse = true; } while (0)
+
+		/** Application macro: Releases a captured application buffer, allowing for host-to-device packets to be received.
+		 *
+		 *  \param[in] Buffer  Application buffer to release
+		 */
+		#define TCP_APP_RELEASE_BUFFER(Buffer)       do { Buffer->InUse = false; } while (0)
+
+		/** Application macro: Sends the contents of the given application buffer to the host.
+		 *
+		 *  \param[in] Buffer  Application buffer to send
+		 *  \param[in] Len     Length of data contained in the buffer
+		 */
+		#define TCP_APP_SEND_BUFFER(Buffer, Len)     do { Buffer->Direction = TCP_PACKETDIR_OUT; Buffer->Length = Len; Buffer->Ready = true; } while (0)
+
+		/** Application macro: Clears the application buffer, ready for a packet to be written to it.
+		 *
+		 *  \param[in] Buffer  Application buffer to clear
+		 */
+		#define TCP_APP_CLEAR_BUFFER(Buffer)         do { Buffer->Ready = false; Buffer->Length = 0; } while (0)
+
+		/** Application macro: Closes an open connection to a host.
+		 *
+		 *  \param[in] Connection  Open TCP connection to close
+		 */
+		#define TCP_APP_CLOSECONNECTION(Connection)  do { Connection->State = TCP_Connection_Closing;  } while (0)
+
+	/* Enums: */
+		/** Enum for possible TCP port states. */
+		enum TCP_PortStates_t
+		{
+			TCP_Port_Closed            = 0, /**< TCP port closed, no connections to a host may be made on this port. */
+			TCP_Port_Open              = 1, /**< TCP port open, connections to a host may be made on this port. */
+		};
+
+		/** Enum for possible TCP connection states. */
+		enum TCP_ConnectionStates_t
+		{
+			TCP_Connection_Listen      = 0, /**< Listening for a connection from a host */
+			TCP_Connection_SYNSent     = 1, /**< Unused */
+			TCP_Connection_SYNReceived = 2, /**< SYN received, waiting for ACK */
+			TCP_Connection_Established = 3, /**< Connection established in both directions */
+			TCP_Connection_FINWait1    = 4, /**< Closing, waiting for ACK */
+			TCP_Connection_FINWait2    = 5, /**< Closing, waiting for FIN ACK */
+			TCP_Connection_CloseWait   = 6, /**< Closing, waiting for ACK */
+			TCP_Connection_Closing     = 7, /**< Unused */
+			TCP_Connection_LastACK     = 8, /**< Unused */
+			TCP_Connection_TimeWait    = 9, /**< Unused */
+			TCP_Connection_Closed      = 10, /**< Connection closed in both directions */
+		};
+
+	/* Type Defines: */
+		/** Type define for a TCP connection buffer structure, including size, data and direction. */
+		typedef struct
+		{
+			uint16_t               Length; /**< Length of data in the TCP application buffer */
+			uint8_t                Data[TCP_WINDOW_SIZE]; /**< TCP application data buffer */
+			bool                   Direction; /**< Buffer transmission direction, either TCP_PACKETDIR_IN  or TCP_PACKETDIR_OUT */
+			bool                   Ready; /**< If data from host, indicates buffer ready to be read, otherwise indicates
+			                               *   buffer ready to be sent to the host
+			                               */
+			bool                   InUse; /**< Indicates if the buffer is locked to to the current direction, and cannot be changed */
+		} TCP_ConnectionBuffer_t;
+
+		/** Type define for a TCP connection information structure. */
+		typedef struct
+		{
+			uint32_t               SequenceNumberIn; /**< Current TCP sequence number for host-to-device */
+			uint32_t               SequenceNumberOut; /**< Current TCP sequence number for device-to-host */
+			TCP_ConnectionBuffer_t Buffer; /**< Connection application data buffer */
+		} TCP_ConnectionInfo_t;
+
+		/** Type define for a complete TCP connection state. */
+		typedef struct
+		{
+			uint16_t               Port; /**< Connection port number on the device */
+			uint16_t               RemotePort; /**< Connection port number on the host */
+			IP_Address_t           RemoteAddress; /**< Connection protocol IP address of the host */
+			TCP_ConnectionInfo_t   Info; /**< Connection information, including application buffer */
+			uint8_t                State; /**< Current connection state, a value from the \ref TCP_ConnectionStates_t enum */
+		} TCP_ConnectionState_t;
+
+		/** Type define for a TCP port state. */
+		typedef struct
+		{
+			uint16_t               Port; /**< TCP port number on the device */
+			uint8_t                State; /**< Current port state, a value from the \ref TCP_PortStates_t enum */
+			void                   (*ApplicationHandler) (TCP_ConnectionState_t* ConnectionState,
+			                                              TCP_ConnectionBuffer_t* Buffer); /**< Port application handler */
+		} TCP_PortState_t;
+
+		/** Type define for a TCP packet header. */
+		typedef struct
+		{
+			uint16_t               SourcePort; /**< Source port of the TCP packet */
+			uint16_t               DestinationPort; /**< Destination port of the TCP packet */
+
+			uint32_t               SequenceNumber; /**< Data sequence number of the packet */
+			uint32_t               AcknowledgmentNumber; /**< Data acknowledgment number of the packet */
+
+			unsigned               Reserved   : 4; /**< Reserved, must be all 0 */
+			unsigned               DataOffset : 4; /**< Offset of the data from the start of the header, in 4 byte chunks */
+			uint8_t                Flags; /**< TCP packet flags */
+			uint16_t               WindowSize; /**< Current data window size (bytes remaining in reception buffer) */
+
+			uint16_t               Checksum; /**< TCP checksum */
+			uint16_t               UrgentPointer; /**< Urgent data pointer */
+		} TCP_Header_t;
+
+	/* Function Prototypes: */
+		void                  TCP_Init(void);
+		void                  TCP_Task(void);
+		bool                  TCP_SetPortState(const uint16_t Port,
+		                                       const uint8_t State,
+		                                       void (*Handler)(TCP_ConnectionState_t*, TCP_ConnectionBuffer_t*));
+		uint8_t               TCP_GetPortState(const uint16_t Port);
+		bool                  TCP_SetConnectionState(const uint16_t Port,
+		                                             const IP_Address_t* RemoteAddress,
+		                                             const uint16_t RemotePort,
+		                                             const uint8_t State);
+		uint8_t               TCP_GetConnectionState(const uint16_t Port,
+		                                             const IP_Address_t* RemoteAddress,
+		                                             const uint16_t RemotePort);
+		TCP_ConnectionInfo_t* TCP_GetConnectionInfo(const uint16_t Port,
+		                                            const IP_Address_t* RemoteAddress,
+		                                            const uint16_t RemotePort);
+		int16_t               TCP_ProcessTCPPacket(void* IPHeaderInStart,
+		                                           void* TCPHeaderInStart,
+		                                           void* TCPHeaderOutStart);
+
+		#if defined(INCLUDE_FROM_TCP_C)
+			static uint16_t TCP_Checksum16(void* TCPHeaderOutStart,
+			                               const IP_Address_t* SourceAddress,
+			                               const IP_Address_t* DestinationAddress,
+			                               uint16_t TCPOutSize);
+		#endif
+
+#endif
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/UDP.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/UDP.c
new file mode 100644
index 0000000000..03c19e00ed
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/UDP.c
@@ -0,0 +1,84 @@
+/*
+             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
+ *
+ *  User Datagram Protocol (UDP) packet handling routines. This protocol handles high throughput, low
+ *  reliability packets which are typically used to encapsulate streaming data.
+ */
+
+#define  INCLUDE_FROM_UDP_C
+#include "UDP.h"
+
+/** Processes a UDP packet inside an Ethernet frame, and writes the appropriate response
+ *  to the output Ethernet frame if a sub-protocol handler has created a response packet.
+ *
+ *  \param[in] IPHeaderInStart     Pointer to the start of the incoming packet's IP header
+ *  \param[in] UDPHeaderInStart    Pointer to the start of the incoming packet's UDP header
+ *  \param[out] UDPHeaderOutStart  Pointer to the start of the outgoing packet's UDP header
+ *
+ *  \return The number of bytes written to the out Ethernet frame if any, NO_RESPONSE otherwise
+ */
+int16_t UDP_ProcessUDPPacket(void* IPHeaderInStart,
+                             void* UDPHeaderInStart,
+                             void* UDPHeaderOutStart)
+{
+	UDP_Header_t* UDPHeaderIN  = (UDP_Header_t*)UDPHeaderInStart;
+	UDP_Header_t* UDPHeaderOUT = (UDP_Header_t*)UDPHeaderOutStart;
+
+	int16_t RetSize = NO_RESPONSE;
+
+	DecodeUDPHeader(UDPHeaderInStart);
+
+	switch (SwapEndian_16(UDPHeaderIN->DestinationPort))
+	{
+		case UDP_PORT_DHCP_REQUEST:
+			RetSize = DHCP_ProcessDHCPPacket(IPHeaderInStart,
+			                                 &((uint8_t*)UDPHeaderInStart)[sizeof(UDP_Header_t)],
+		                                     &((uint8_t*)UDPHeaderOutStart)[sizeof(UDP_Header_t)]);
+			break;
+	}
+
+	/* Check to see if the protocol processing routine has filled out a response */
+	if (RetSize > 0)
+	{
+		/* Fill out the response UDP packet header */
+		UDPHeaderOUT->SourcePort      = UDPHeaderIN->DestinationPort;
+		UDPHeaderOUT->DestinationPort = UDPHeaderIN->SourcePort;
+		UDPHeaderOUT->Checksum        = 0;
+		UDPHeaderOUT->Length          = SwapEndian_16(sizeof(UDP_Header_t) + RetSize);
+
+		/* Return the size of the response so far */
+		return (sizeof(UDP_Header_t) + RetSize);
+	}
+
+	return NO_RESPONSE;
+}
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/UDP.h b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/UDP.h
new file mode 100644
index 0000000000..d008cb8ed8
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/UDP.h
@@ -0,0 +1,73 @@
+/*
+             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 UDP.c.
+ */
+
+#ifndef _UDP_H_
+#define _UDP_H_
+
+	/* Includes: */
+		#include <avr/io.h>
+
+		#include "EthernetProtocols.h"
+		#include "Ethernet.h"
+		#include "ProtocolDecoders.h"
+		#include "DHCP.h"
+
+	/* Macros: */
+		/** Source UDP port for a DHCP request. */
+		#define UDP_PORT_DHCP_REQUEST 67
+
+		/** Destination UDP port for a DHCP reply. */
+		#define UDP_PORT_DHCP_REPLY   68
+
+		/** Source UDP port for a DNS request/response. */
+		#define UDP_PORT_DNS          53
+
+	/* Type Defines: */
+		/** Type define for a UDP packet header. */
+		typedef struct
+		{
+			uint16_t SourcePort; /**< Packet source port */
+			uint16_t DestinationPort; /**< Packet destination port */
+			uint16_t Length; /**< Total packet length, in bytes */
+			uint16_t Checksum; /**< Optional UDP packet checksum */
+		} UDP_Header_t;
+
+	/* Function Prototypes: */
+		int16_t UDP_ProcessUDPPacket(void* IPHeaderInStart,
+		                             void* UDPHeaderInStart,
+		                             void* UDPHeaderOutStart);
+
+#endif
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.c
new file mode 100644
index 0000000000..e0d9e36473
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.c
@@ -0,0 +1,203 @@
+/*
+             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
+ *
+ *  Simple webserver application for demonstrating the RNDIS demo and TCP/IP stack. This
+ *  application will serve up a static HTTP webpage when requested by the host.
+ */
+
+#include "Webserver.h"
+
+/** HTTP server response header, for transmission before the page contents. This indicates to the host that a page exists at the
+ *  given location, and gives extra connection information.
+ */
+const char PROGMEM HTTP200Header[] = "HTTP/1.1 200 OK\r\n"
+                                     "Server: LUFA RNDIS\r\n"
+                                     "Content-type: text/html\r\n"
+                                     "Connection: close\r\n\r\n";
+
+/** HTTP server response header, for transmission before a resource not found error. This indicates to the host that the given
+ *  given URL is invalid, and gives extra error information.
+ */
+const char PROGMEM HTTP404Header[] = "HTTP/1.1 404 Not Found\r\n"
+                                     "Server: LUFA RNDIS\r\n"
+                                     "Connection: close\r\n\r\n";
+
+/** HTTP page to serve to the host when a HTTP request is made. This page is too long for a single response, thus it is automatically
+ *  broken up into smaller blocks and sent as a series of packets each time the webserver application callback is run.
+ */
+const char PROGMEM HTTPPage[]   =
+		"<html>"
+		"	<head>"
+		"		<title>"
+		"			LUFA Webserver Demo"
+		"		</title>"
+		"	</head>"
+		"	<body>"
+		"		<h1>Hello from your USB AVR!</h1>"
+		"		<p>"
+		"			Hello! Welcome to the LUFA RNDIS Demo Webserver test page, running on your USB AVR via the LUFA library. This demonstrates the HTTP webserver, TCP/IP stack and RNDIS demo all running atop the LUFA USB stack."
+		"			<br /><br />"
+		"			<small>Project Information: <a href=\"http://www.lufa-lib.org\">http://www.lufa-lib.org</a>.</small>"
+		"			<hr />"
+		"			<i>LUFA Version: </i>" LUFA_VERSION_STRING
+		"		</p>"
+		"	</body>"
+		"</html>";
+
+
+/** Initializes the Webserver application, opening the appropriate HTTP port in the TCP handler and registering the application
+ *  callback routine for packets sent to the HTTP protocol port.
+ */
+void Webserver_Init(void)
+{
+	/* Open the HTTP port in the TCP protocol so that HTTP connections to the device can be established */
+	TCP_SetPortState(TCP_PORT_HTTP, TCP_Port_Open, Webserver_ApplicationCallback);
+}
+
+/** Indicates if a given request equals the given HTTP command.
+ *
+ *  \param[in] RequestHeader  HTTP request made by the host
+ *  \param[in] Command        HTTP command to compare the request to
+ *
+ *  \return Boolean \c true if the command matches the request, \c false otherwise
+ */
+static bool IsHTTPCommand(uint8_t* RequestHeader,
+                          char* Command)
+{
+	/* Returns true if the non null terminated string in RequestHeader matches the null terminated string Command */
+	return (strncmp((char*)RequestHeader, Command, strlen(Command)) == 0);
+}
+
+/** Application callback routine, executed each time the TCP processing task runs. This callback determines what request
+ *  has been made (if any), and serves up appropriate responses.
+ *
+ *  \param[in] ConnectionState  Pointer to a TCP Connection State structure giving connection information
+ *  \param[in,out] Buffer       Pointer to the application's send/receive packet buffer
+ */
+void Webserver_ApplicationCallback(TCP_ConnectionState_t* const ConnectionState,
+                                   TCP_ConnectionBuffer_t* const Buffer)
+{
+	char*          BufferDataStr = (char*)Buffer->Data;
+	static uint8_t PageBlock     = 0;
+
+	/* Check to see if a packet has been received on the HTTP port from a remote host */
+	if (TCP_APP_HAS_RECEIVED_PACKET(Buffer))
+	{
+		if (IsHTTPCommand(Buffer->Data, "GET"))
+		{
+			if (IsHTTPCommand(Buffer->Data, "GET / "))
+			{
+				PageBlock = 0;
+
+				/* Copy the HTTP 200 response header into the packet buffer */
+				strcpy_P(BufferDataStr, HTTP200Header);
+
+				/* Send the buffer contents to the host */
+				TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
+
+				/* Lock the buffer to Device->Host transmissions only while we send the page contents */
+				TCP_APP_CAPTURE_BUFFER(Buffer);
+			}
+			else
+			{
+				/* Copy the HTTP 404 response header into the packet buffer */
+				strcpy_P(BufferDataStr, HTTP404Header);
+
+				/* Send the buffer contents to the host */
+				TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
+
+				/* All data sent, close the connection */
+				TCP_APP_CLOSECONNECTION(ConnectionState);
+			}
+		}
+		else if (IsHTTPCommand(Buffer->Data, "HEAD"))
+		{
+			if (IsHTTPCommand(Buffer->Data, "HEAD / "))
+			{
+				/* Copy the HTTP response header into the packet buffer */
+				strcpy_P(BufferDataStr, HTTP200Header);
+
+				/* Send the buffer contents to the host */
+				TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
+			}
+			else
+			{
+				/* Copy the HTTP response header into the packet buffer */
+				strcpy_P(BufferDataStr, HTTP404Header);
+
+				/* Send the buffer contents to the host */
+				TCP_APP_SEND_BUFFER(Buffer, strlen(BufferDataStr));
+			}
+
+			/* All data sent, close the connection */
+			TCP_APP_CLOSECONNECTION(ConnectionState);
+		}
+		else if (IsHTTPCommand(Buffer->Data, "TRACE"))
+		{
+			/* Echo the host's query back to the host */
+			TCP_APP_SEND_BUFFER(Buffer, Buffer->Length);
+
+			/* All data sent, close the connection */
+			TCP_APP_CLOSECONNECTION(ConnectionState);
+		}
+		else
+		{
+			/* Unknown request, just clear the buffer (drop the packet) */
+			TCP_APP_CLEAR_BUFFER(Buffer);
+		}
+	}
+	else if (TCP_APP_HAVE_CAPTURED_BUFFER(Buffer))
+	{
+		uint16_t RemLength = strlen_P(&HTTPPage[PageBlock * HTTP_REPLY_BLOCK_SIZE]);
+		uint16_t Length;
+
+		/* Determine the length of the loaded block */
+		Length = MIN(RemLength, HTTP_REPLY_BLOCK_SIZE);
+
+		/* Copy the next buffer sized block of the page to the packet buffer */
+		strncpy_P(BufferDataStr, &HTTPPage[PageBlock * HTTP_REPLY_BLOCK_SIZE], Length);
+
+		/* Send the buffer contents to the host */
+		TCP_APP_SEND_BUFFER(Buffer, Length);
+
+		/* Check to see if the entire page has been sent */
+		if (PageBlock++ == (sizeof(HTTPPage) / HTTP_REPLY_BLOCK_SIZE))
+		{
+			/* Unlock the buffer so that the host can fill it with future packets */
+			TCP_APP_RELEASE_BUFFER(Buffer);
+
+			/* Close the connection to the host */
+			TCP_APP_CLOSECONNECTION(ConnectionState);
+		}
+	}
+}
+
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.h b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.h
new file mode 100644
index 0000000000..a73bd33384
--- /dev/null
+++ b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/Lib/Webserver.h
@@ -0,0 +1,57 @@
+/*
+             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 Webserver.c.
+ */
+
+#ifndef _WEBSERVER_H_
+#define _WEBSERVER_H_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <avr/pgmspace.h>
+
+		#include <LUFA/Version.h>
+
+		#include "TCP.h"
+
+	/* Macros: */
+		/** Maximum size of a HTTP response per transmission */
+		#define  HTTP_REPLY_BLOCK_SIZE     128
+
+	/* Function Prototypes: */
+		void Webserver_Init(void);
+		void Webserver_ApplicationCallback(TCP_ConnectionState_t* const ConnectionState,
+		                                   TCP_ConnectionBuffer_t* const Buffer);
+
+#endif
+