-/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 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 disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- * \brief Host mode driver for the library USB RNDIS Class driver.
- *
- * Host 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_USBClassRNDISHost RNDIS Class Host Mode Driver
- *
- * \section Sec_Dependencies Module Source Dependencies
- * The following files must be built with any user project that uses this module:
- * - LUFA/Drivers/USB/Class/Host/RNDIS.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
- *
- * \section Sec_ModDescription Module Description
- * Host Mode USB Class driver framework interface, for the Microsoft RNDIS Ethernet
- * USB Class driver.
- *
- * @{
- */
-
-#ifndef __RNDIS_CLASS_HOST_H__
-#define __RNDIS_CLASS_HOST_H__
-
- /* Includes: */
- #include "../../USB.h"
- #include "../Common/RNDIS.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 Host Mode Configuration and State Structure.
- *
- * Class state structure. An instance of this structure should be made 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
- {
- const struct
- {
- uint8_t DataINPipeNumber; /**< Pipe number of the RNDIS interface's IN data pipe. */
- bool DataINPipeDoubleBank; /**< Indicates if the RNDIS interface's IN data pipe should use double banking. */
-
- uint8_t DataOUTPipeNumber; /**< Pipe number of the RNDIS interface's OUT data pipe. */
- bool DataOUTPipeDoubleBank; /**< Indicates if the RNDIS interface's OUT data pipe should use double banking. */
-
- uint8_t NotificationPipeNumber; /**< Pipe number of the RNDIS interface's IN notification endpoint, if used. */
- bool NotificationPipeDoubleBank; /**< Indicates if the RNDIS interface's notification pipe should use double banking. */
-
- uint32_t HostMaxPacketSize; /**< Maximum size of a packet which can be buffered by the host. */
- } 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 IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
- * after \ref RNDIS_Host_ConfigurePipes() is called and the Host state machine is in the
- * Configured state.
- */
- uint8_t ControlInterfaceNumber; /**< Interface index of the RNDIS control interface within the attached device. */
-
- uint16_t DataINPipeSize; /**< Size in bytes of the RNDIS interface's IN data pipe. */
- uint16_t DataOUTPipeSize; /**< Size in bytes of the RNDIS interface's OUT data pipe. */
- uint16_t NotificationPipeSize; /**< Size in bytes of the RNDIS interface's IN notification pipe, if used. */
-
- uint32_t DeviceMaxPacketSize; /**< Maximum size of a packet which can be buffered by the attached RNDIS device. */
-
- uint32_t RequestID; /**< Request ID counter to give a unique ID for each command/response pair. */
- } State; /**< State data for the USB class interface within the device. All elements in this section
- * <b>may</b> be set to initial values, but may also be ignored to default to sane values when
- * the interface is enumerated.
- */
- } USB_ClassInfo_RNDIS_Host_t;
-
- /* Enums: */
- /** Enum for the possible error codes returned by the \ref RNDIS_Host_ConfigurePipes() function. */
- enum RNDIS_Host_EnumerationFailure_ErrorCodes_t
- {
- RNDIS_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
- RNDIS_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
- RNDIS_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible RNDIS interface was not found in the device's Configuration Descriptor. */
- RNDIS_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
- };
-
- /* Function Prototypes: */
- /** Host interface configuration routine, to configure a given RNDIS host interface instance using the Configuration
- * Descriptor read from an attached USB device. This function automatically updates the given RNDIS Host instance's
- * state values and configures the pipes required to communicate with the interface if it is found within the device.
- * This should be called once after the stack has enumerated the attached device, while the host state machine is in
- * the Addressed state.
- *
- * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
- * \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
- * \param[in] DeviceConfigDescriptor Pointer to a buffer containing the attached device's Configuration Descriptor.
- *
- * \return A value from the \ref RNDIS_Host_EnumerationFailure_ErrorCodes_t enum.
- */
- uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
- uint16_t ConfigDescriptorSize,
- void* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
-
- /** Sends a RNDIS KEEPALIVE command to the device, to ensure that it does not enter standby mode after periods
- * of long inactivity.
- *
- * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
- *
- * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum or \ref RNDIS_ERROR_LOGICAL_CMD_FAILED if the device returned a
- * logical command failure.
- */
- uint8_t RNDIS_Host_SendKeepAlive(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Initializes the attached RNDIS device's RNDIS interface. This should be called after the device's pipes have been
- * configured via the call to \ref RNDIS_Host_ConfigurePipes().
- *
- * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
- *
- * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum or \ref RNDIS_ERROR_LOGICAL_CMD_FAILED if the
- * device returned a logical command failure.
- */
- uint8_t RNDIS_Host_InitializeDevice(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Sets a given RNDIS property of an attached RNDIS device.
- *
- * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
- * \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 \ref USB_Host_SendControlErrorCodes_t enum or \ref RNDIS_ERROR_LOGICAL_CMD_FAILED if the
- * device returned a logical command failure.
- */
- uint8_t RNDIS_Host_SetRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
- const uint32_t Oid,
- void* Buffer,
- const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
-
- /** Gets a given RNDIS property of an attached RNDIS device.
- *
- * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
- * \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 \ref USB_Host_SendControlErrorCodes_t enum or \ref RNDIS_ERROR_LOGICAL_CMD_FAILED if the
- * device returned a logical command failure.
- */
- uint8_t RNDIS_Host_QueryRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
- const uint32_t Oid,
- void* Buffer,
- const uint16_t MaxLength) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
-
- /** Determines if a packet is currently waiting for the host to read in and process.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
- *
- * \return Boolean \c true if a packet is waiting to be read in by the host, \c false otherwise.
- */
- bool RNDIS_Host_IsPacketReceived(USB_ClassInfo_RNDIS_Host_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 host in the nominated buffer.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host 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 Pipe_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t RNDIS_Host_ReadPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
- void* Buffer,
- uint16_t* const PacketLength) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2)
- ATTR_NON_NULL_PTR_ARG(3);
-
- /** 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 Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host 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 Pipe_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t RNDIS_Host_SendPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
- void* Buffer,
- const uint16_t PacketLength) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
-
- /* Inline Functions: */
- /** General management task for a given RNDIS host 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 an RNDIS Class host configuration and state.
- */
- static inline void RNDIS_Host_USBTask(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
- static inline void RNDIS_Host_USBTask(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
- {
- (void)RNDISInterfaceInfo;
- }
-
- /* Private Interface - For use in library only: */
- #if !defined(__DOXYGEN__)
- /* Function Prototypes: */
- #if defined(__INCLUDE_FROM_RNDIS_HOST_C)
- static uint8_t RNDIS_SendEncapsulatedCommand(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
- void* Buffer,
- const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1)
- ATTR_NON_NULL_PTR_ARG(2);
- static uint8_t RNDIS_GetEncapsulatedResponse(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
- void* Buffer,
- const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1)
- ATTR_NON_NULL_PTR_ARG(2);
-
- static uint8_t DCOMP_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDescriptor)
- ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
- static uint8_t DCOMP_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescriptor)
- ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
- static uint8_t DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDescriptor)
- ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
- #endif
- #endif
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
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