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diff --git a/lib/lufa/Demos/Host/LowLevel/RNDISEthernetHost/Lib/RNDISCommands.c b/lib/lufa/Demos/Host/LowLevel/RNDISEthernetHost/Lib/RNDISCommands.c
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+++ b/lib/lufa/Demos/Host/LowLevel/RNDISEthernetHost/Lib/RNDISCommands.c
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+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * RNDIS Device commands, to issue RNDIS commands to the device for
+ * the control and data transfer between the host and RNDIS device.
+ */
+
+#include "RNDISCommands.h"
+
+/** Current RNDIS Request ID, for associating sent commands with received data */
+uint32_t RequestID = 0;
+
+
+/** Function to send the given encapsulated RNDIS command to the device.
+ *
+ * \param[in] Buffer Source command data buffer to send to the device
+ * \param[in] Length Number of bytes to send
+ *
+ * \return A value from the USB_Host_SendControlErrorCodes_t enum
+ */
+uint8_t RNDIS_SendEncapsulatedCommand(void* const Buffer,
+ const uint16_t Length)
+{
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = RNDIS_REQ_SendEncapsulatedCommand,
+ .wValue = 0,
+ .wIndex = 0,
+ .wLength = Length,
+ };
+
+ /* Select the control pipe for the request transfer */
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+ return USB_Host_SendControlRequest(Buffer);
+}
+
+/** Function to receive the given encapsulated RNDIS response from the device.
+ *
+ * \param[out] Buffer Destination command data buffer to write read data from the device to
+ * \param[in] Length Number of bytes to read
+ *
+ * \return A value from the USB_Host_SendControlErrorCodes_t enum
+ */
+uint8_t RNDIS_GetEncapsulatedResponse(void* const Buffer,
+ const uint16_t Length)
+{
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = RNDIS_REQ_GetEncapsulatedResponse,
+ .wValue = 0,
+ .wIndex = 0,
+ .wLength = Length,
+ };
+
+ /* Select the control pipe for the request transfer */
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+ return USB_Host_SendControlRequest(Buffer);
+}
+
+/** Sends a RNDIS KEEPALIVE command to the device, to ensure that it does not enter standby mode after periods
+ * of long inactivity.
+ *
+ * \return A value from the USB_Host_SendControlErrorCodes_t enum or RNDIS_COMMAND_FAILED if the device returned a
+ * logical command failure
+ */
+uint8_t RNDIS_SendKeepAlive(void)
+{
+ uint8_t ErrorCode;
+
+ RNDIS_KeepAlive_Message_t KeepAliveMessage;
+ RNDIS_KeepAlive_Complete_t KeepAliveMessageResponse;
+
+ KeepAliveMessage.MessageType = REMOTE_NDIS_KEEPALIVE_MSG;
+ KeepAliveMessage.MessageLength = sizeof(RNDIS_KeepAlive_Message_t);
+ KeepAliveMessage.RequestId = RequestID++;
+
+ if ((ErrorCode = RNDIS_SendEncapsulatedCommand(&KeepAliveMessage,
+ sizeof(RNDIS_KeepAlive_Message_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = RNDIS_GetEncapsulatedResponse(&KeepAliveMessageResponse,
+ sizeof(RNDIS_KeepAlive_Complete_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+/** Initializes the attached RNDIS device's RNDIS interface.
+ *
+ * \param[in] HostMaxPacketSize Size of the packet buffer on the host
+ * \param[out] DeviceMaxPacketSize Pointer to where the packet buffer size of the device is to be stored
+ *
+ * \return A value from the USB_Host_SendControlErrorCodes_t enum or RNDIS_COMMAND_FAILED if the device returned a
+ * logical command failure
+ */
+uint8_t RNDIS_InitializeDevice(const uint16_t HostMaxPacketSize,
+ uint16_t* const DeviceMaxPacketSize)
+{
+ uint8_t ErrorCode;
+
+ RNDIS_Initialize_Message_t InitMessage;
+ RNDIS_Initialize_Complete_t InitMessageResponse;
+
+ InitMessage.MessageType = REMOTE_NDIS_INITIALIZE_MSG;
+ InitMessage.MessageLength = sizeof(RNDIS_Initialize_Message_t);
+ InitMessage.RequestId = RequestID++;
+
+ InitMessage.MajorVersion = REMOTE_NDIS_VERSION_MAJOR;
+ InitMessage.MinorVersion = REMOTE_NDIS_VERSION_MINOR;
+ InitMessage.MaxTransferSize = HostMaxPacketSize;
+
+ if ((ErrorCode = RNDIS_SendEncapsulatedCommand(&InitMessage,
+ sizeof(RNDIS_Initialize_Message_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = RNDIS_GetEncapsulatedResponse(&InitMessageResponse,
+ sizeof(RNDIS_Initialize_Complete_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if (InitMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
+ return RNDIS_COMMAND_FAILED;
+
+ *DeviceMaxPacketSize = InitMessageResponse.MaxTransferSize;
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+/** Sets a given RNDIS property of an attached RNDIS device.
+ *
+ * \param[in] Oid OID number of the parameter to set
+ * \param[in] Buffer Pointer to where the property data is to be sourced from
+ * \param[in] Length Length in bytes of the property data to sent to the device
+ *
+ * \return A value from the USB_Host_SendControlErrorCodes_t enum or RNDIS_COMMAND_FAILED if the device returned a
+ * logical command failure
+ */
+uint8_t RNDIS_SetRNDISProperty(const uint32_t Oid,
+ void* Buffer,
+ const uint16_t Length)
+{
+ uint8_t ErrorCode;
+
+ struct
+ {
+ RNDIS_Set_Message_t SetMessage;
+ uint8_t ContiguousBuffer[Length];
+ } SetMessageData;
+
+ RNDIS_Set_Complete_t SetMessageResponse;
+
+ SetMessageData.SetMessage.MessageType = REMOTE_NDIS_SET_MSG;
+ SetMessageData.SetMessage.MessageLength = sizeof(RNDIS_Set_Message_t) + Length;
+ SetMessageData.SetMessage.RequestId = RequestID++;
+
+ SetMessageData.SetMessage.Oid = Oid;
+ SetMessageData.SetMessage.InformationBufferLength = Length;
+ SetMessageData.SetMessage.InformationBufferOffset = (sizeof(RNDIS_Set_Message_t) - sizeof(RNDIS_Message_Header_t));
+ SetMessageData.SetMessage.DeviceVcHandle = 0;
+
+ memcpy(SetMessageData.ContiguousBuffer, Buffer, Length);
+
+ if ((ErrorCode = RNDIS_SendEncapsulatedCommand(&SetMessageData,
+ SetMessageData.SetMessage.MessageLength)) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = RNDIS_GetEncapsulatedResponse(&SetMessageResponse,
+ sizeof(RNDIS_Set_Complete_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if (SetMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
+ return RNDIS_COMMAND_FAILED;
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+/** Gets a given RNDIS property of an attached RNDIS device.
+ *
+ * \param[in] Oid OID number of the parameter to get
+ * \param[in] Buffer Pointer to where the property data is to be written to
+ * \param[in] MaxLength Length in bytes of the destination buffer size
+ *
+ * \return A value from the USB_Host_SendControlErrorCodes_t enum or RNDIS_COMMAND_FAILED if the device returned a
+ * logical command failure
+ */
+uint8_t RNDIS_QueryRNDISProperty(const uint32_t Oid,
+ void* Buffer,
+ const uint16_t MaxLength)
+{
+ uint8_t ErrorCode;
+
+ RNDIS_Query_Message_t QueryMessage;
+
+ struct
+ {
+ RNDIS_Query_Complete_t QueryMessageResponse;
+ uint8_t ContiguousBuffer[MaxLength];
+ } QueryMessageResponseData;
+
+ QueryMessage.MessageType = REMOTE_NDIS_QUERY_MSG;
+ QueryMessage.MessageLength = sizeof(RNDIS_Query_Message_t);
+ QueryMessage.RequestId = RequestID++;
+
+ QueryMessage.Oid = Oid;
+ QueryMessage.InformationBufferLength = 0;
+ QueryMessage.InformationBufferOffset = 0;
+ QueryMessage.DeviceVcHandle = 0;
+
+ if ((ErrorCode = RNDIS_SendEncapsulatedCommand(&QueryMessage,
+ sizeof(RNDIS_Query_Message_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = RNDIS_GetEncapsulatedResponse(&QueryMessageResponseData,
+ sizeof(QueryMessageResponseData))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if (QueryMessageResponseData.QueryMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
+ return RNDIS_COMMAND_FAILED;
+
+ memcpy(Buffer, &QueryMessageResponseData.ContiguousBuffer, MaxLength);
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+/** Retrieves the size of a received packet, discarding the remainder of the RNDIS packet header to leave only the
+ * packet contents for processing by the host.
+ *
+ * \param[out] PacketLength Size of the packet currently in the pipe
+ *
+ * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
+ */
+uint8_t RNDIS_GetPacketLength(uint16_t* const PacketLength)
+{
+ uint8_t ErrorCode;
+
+ Pipe_SelectPipe(RNDIS_DATA_IN_PIPE);
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
+ Pipe_Unfreeze();
+
+ if (!(Pipe_IsReadWriteAllowed()))
+ {
+ *PacketLength = 0;
+ Pipe_Freeze();
+ return PIPE_RWSTREAM_NoError;
+ }
+
+ RNDIS_Packet_Message_t DeviceMessage;
+
+ if ((ErrorCode = Pipe_Read_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t), NULL)) != PIPE_RWSTREAM_NoError)
+ {
+ return ErrorCode;
+ }
+
+ *PacketLength = (uint16_t)DeviceMessage.DataLength;
+
+ Pipe_Discard_Stream(DeviceMessage.DataOffset - (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)),
+ NULL);
+
+ Pipe_Freeze();
+
+ return PIPE_RWSTREAM_NoError;
+}
+