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Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/RNDISClassDevice.h')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/RNDISClassDevice.h | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/RNDISClassDevice.h b/LUFA/Drivers/USB/Class/Device/RNDISClassDevice.h new file mode 100644 index 000000000..9953fa1a3 --- /dev/null +++ b/LUFA/Drivers/USB/Class/Device/RNDISClassDevice.h @@ -0,0 +1,211 @@ +/* + 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 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_Dependencies Module Source Dependencies + * The following files must be built with any user project that uses this module: + * - LUFA/Drivers/USB/Class/Device/RNDIS.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i> + * + * \section Sec_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 + { + const struct + { + uint8_t ControlInterfaceNumber; /**< Interface number of the RNDIS control interface within the device. */ + + uint8_t DataINEndpointNumber; /**< Endpoint number of the RNDIS interface's IN data endpoint. */ + uint16_t DataINEndpointSize; /**< Size in bytes of the RNDIS interface's IN data endpoint. */ + bool DataINEndpointDoubleBank; /**< Indicates if the RNDIS interface's IN data endpoint should use double banking. */ + + uint8_t DataOUTEndpointNumber; /**< Endpoint number of the RNDIS interface's OUT data endpoint. */ + uint16_t DataOUTEndpointSize; /**< Size in bytes of the RNDIS interface's OUT data endpoint. */ + bool DataOUTEndpointDoubleBank; /**< Indicates if the RNDIS interface's OUT data endpoint should use double banking. */ + + uint8_t NotificationEndpointNumber; /**< Endpoint number of the RNDIS interface's IN notification endpoint, if used. */ + uint16_t NotificationEndpointSize; /**< Size in bytes of the RNDIS interface's IN notification endpoint, if used. */ + bool NotificationEndpointDoubleBank; /**< Indicates if the RNDIS interface's notification endpoint should use double banking. */ + + char* AdapterVendorDescription; /**< String description of the adapter vendor. */ + MAC_Address_t AdapterMACAddress; /**< MAC address of the adapter. */ + } 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 + { + uint8_t RNDISMessageBuffer[RNDIS_MESSAGE_BUFFER_SIZE]; /**< Buffer to hold RNDIS messages to and from the host, + * managed by the class driver. + */ + 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); + + /** 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); + + /** 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); + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* 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 + +/** @} */ + |