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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
+ * \brief Device mode driver for the library USB RNDIS Class driver.
+ *
+ * Device mode driver for the library USB RNDIS Class driver.
+ *
+ * \note This file should not be included directly. It is automatically included as needed by the USB module driver
+ * dispatch header located in LUFA/Drivers/USB.h.
+ */
+
+/** \ingroup Group_USBClassRNDIS
+ * \defgroup Group_USBClassRNDISDevice RNDIS Class Device Mode Driver
+ *
+ * \section Sec_USBClassRNDISDevice_Dependencies Module Source Dependencies
+ * The following files must be built with any user project that uses this module:
+ * - LUFA/Drivers/USB/Class/Device/RNDISClassDevice.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
+ *
+ * \section Sec_USBClassRNDISDevice_ModDescription Module Description
+ * Device Mode USB Class driver framework interface, for the RNDIS USB Class driver.
+ *
+ * @{
+ */
+
+#ifndef _RNDIS_CLASS_DEVICE_H_
+#define _RNDIS_CLASS_DEVICE_H_
+
+ /* Includes: */
+ #include "../../USB.h"
+ #include "../Common/RNDISClassCommon.h"
+
+ /* Enable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ extern "C" {
+ #endif
+
+ /* Preprocessor Checks: */
+ #if !defined(__INCLUDE_FROM_RNDIS_DRIVER)
+ #error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Type Defines: */
+ /** \brief RNDIS Class Device Mode Configuration and State Structure.
+ *
+ * Class state structure. An instance of this structure should be made for each RNDIS interface
+ * within the user application, and passed to each of the RNDIS class driver functions as the
+ * \c RNDISInterfaceInfo parameter. This stores each RNDIS interface's configuration and state information.
+ */
+ typedef struct
+ {
+ struct
+ {
+ uint8_t ControlInterfaceNumber; /**< Interface number of the RNDIS control interface within the device. */
+
+ USB_Endpoint_Table_t DataINEndpoint; /**< Data IN endpoint configuration table. */
+ USB_Endpoint_Table_t DataOUTEndpoint; /**< Data OUT endpoint configuration table. */
+ USB_Endpoint_Table_t NotificationEndpoint; /**< Notification IN Endpoint configuration table. */
+
+ char* AdapterVendorDescription; /**< String description of the adapter vendor. */
+ MAC_Address_t AdapterMACAddress; /**< MAC address of the adapter. */
+
+ uint8_t* MessageBuffer; /**< Buffer where RNDIS messages can be stored by the internal driver. This
+ * should be at least 132 bytes in length for minimal functionality. */
+ uint16_t MessageBufferLength; /**< Length in bytes of the \ref MessageBuffer RNDIS buffer. */
+ } Config; /**< Config data for the USB class interface within the device. All elements in this section
+ * <b>must</b> be set or the interface will fail to enumerate and operate correctly.
+ */
+ struct
+ {
+ bool ResponseReady; /**< Internal flag indicating if a RNDIS message is waiting to be returned to the host. */
+ uint8_t CurrRNDISState; /**< Current RNDIS state of the adapter, a value from the \ref RNDIS_States_t enum. */
+ uint32_t CurrPacketFilter; /**< Current packet filter mode, used internally by the class driver. */
+ } State; /**< State data for the USB class interface within the device. All elements in this section
+ * are reset to their defaults when the interface is enumerated.
+ */
+ } USB_ClassInfo_RNDIS_Device_t;
+
+ /* Function Prototypes: */
+ /** Configures the endpoints of a given RNDIS interface, ready for use. This should be linked to the library
+ * \ref EVENT_USB_Device_ConfigurationChanged() event so that the endpoints are configured when the configuration
+ * containing the given RNDIS interface is selected.
+ *
+ * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing a RNDIS Class configuration and state.
+ *
+ * \return Boolean \c true if the endpoints were successfully configured, \c false otherwise.
+ */
+ bool RNDIS_Device_ConfigureEndpoints(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Processes incoming control requests from the host, that are directed to the given RNDIS class interface. This should be
+ * linked to the library \ref EVENT_USB_Device_ControlRequest() event.
+ *
+ * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing a RNDIS Class configuration and state.
+ */
+ void RNDIS_Device_ProcessControlRequest(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** General management task for a given RNDIS class interface, required for the correct operation of the interface. This should
+ * be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
+ *
+ * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing a RNDIS Class configuration and state.
+ */
+ void RNDIS_Device_USBTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Determines if a packet is currently waiting for the device to read in and process.
+ *
+ * \pre This function must only be called when the Device state machine is in the \ref DEVICE_STATE_Configured state or the
+ * call will fail.
+ *
+ * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class configuration and state.
+ *
+ * \return Boolean \c true if a packet is waiting to be read in by the host, \c false otherwise.
+ */
+ bool RNDIS_Device_IsPacketReceived(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Retrieves the next pending packet from the device, discarding the remainder of the RNDIS packet header to leave
+ * only the packet contents for processing by the device in the nominated buffer.
+ *
+ * \pre This function must only be called when the Device state machine is in the \ref DEVICE_STATE_Configured state or the
+ * call will fail.
+ *
+ * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class configuration and state.
+ * \param[out] Buffer Pointer to a buffer where the packer data is to be written to.
+ * \param[out] PacketLength Pointer to where the length in bytes of the read packet is to be stored.
+ *
+ * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+ */
+ uint8_t RNDIS_Device_ReadPacket(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
+ void* Buffer,
+ uint16_t* const PacketLength) ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Sends the given packet to the attached RNDIS device, after adding a RNDIS packet message header.
+ *
+ * \pre This function must only be called when the Device state machine is in the \ref DEVICE_STATE_Configured state or the
+ * call will fail.
+ *
+ * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class configuration and state.
+ * \param[in] Buffer Pointer to a buffer where the packer data is to be read from.
+ * \param[in] PacketLength Length in bytes of the packet to send.
+ *
+ * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
+ */
+ uint8_t RNDIS_Device_SendPacket(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
+ void* Buffer,
+ const uint16_t PacketLength) ATTR_NON_NULL_PTR_ARG(1);
+
+ /* Private Interface - For use in library only: */
+ #if !defined(__DOXYGEN__)
+ /* Macros: */
+ #define RNDIS_DEVICE_MIN_MESSAGE_BUFFER_LENGTH sizeof(AdapterSupportedOIDList) + sizeof(RNDIS_Query_Complete_t)
+
+ /* Function Prototypes: */
+ #if defined(__INCLUDE_FROM_RNDIS_DEVICE_C)
+ static void RNDIS_Device_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
+ ATTR_NON_NULL_PTR_ARG(1);
+ static bool RNDIS_Device_ProcessNDISQuery(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
+ const uint32_t OId,
+ void* const QueryData,
+ const uint16_t QuerySize,
+ void* ResponseData,
+ uint16_t* const ResponseSize) ATTR_NON_NULL_PTR_ARG(1)
+ ATTR_NON_NULL_PTR_ARG(5) ATTR_NON_NULL_PTR_ARG(6);
+ static bool RNDIS_Device_ProcessNDISSet(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
+ const uint32_t OId,
+ const void* SetData,
+ const uint16_t SetSize) ATTR_NON_NULL_PTR_ARG(1)
+ ATTR_NON_NULL_PTR_ARG(3);
+ #endif
+
+ #endif
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */
+