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286 lines
9.2 KiB
286 lines
9.2 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \ingroup Group_USBDeviceClassDrivers
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* @defgroup Group_USBClassRNDISDevice RNDIS Device Class Driver - LUFA/Drivers/Class/Device/RNDIS.h
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*
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* \section Sec_Dependencies Module Source Dependencies
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* The following files must be built with any user project that uses this module:
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* - LUFA/Drivers/USB/Class/Device/HID.c
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*
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* \section Module Description
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* Functions, macros, variables, enums and types related to the management of USB RNDIS Ethernet
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* interfaces within a USB device.
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*
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* @{
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*/
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#ifndef _RNDIS_CLASS_H_
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#define _RNDIS_CLASS_H_
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/* Includes: */
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#include <string.h>
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#include "../../USB.h"
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#include "RNDISConstants.h"
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/* Enable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Macros: */
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/** Implemented RNDIS Version Major */
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#define REMOTE_NDIS_VERSION_MAJOR 0x01
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/** Implemented RNDIS Version Minor */
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#define REMOTE_NDIS_VERSION_MINOR 0x00
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/** RNDIS request to issue a host-to-device NDIS command */
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#define REQ_SendEncapsulatedCommand 0x00
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/** RNDIS request to issue a device-to-host NDIS response */
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#define REQ_GetEncapsulatedResponse 0x01
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#define RNDIS_MESSAGE_BUFFER_SIZE 128
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#define ETHERNET_FRAME_SIZE_MAX 1500
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#define NOTIF_ResponseAvailable 1
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/* Enums: */
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/** Enum for the possible NDIS adapter states. */
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enum RNDIS_States_t
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{
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RNDIS_Uninitialized = 0, /**< Adapter currently uninitialized */
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RNDIS_Initialized = 1, /**< Adapter currently initialized but not ready for data transfers */
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RNDIS_Data_Initialized = 2, /**< Adapter currently initialized and ready for data transfers */
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};
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/** Enum for the NDIS hardware states */
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enum NDIS_Hardware_Status_t
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{
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NdisHardwareStatusReady, /**< Hardware Ready to accept commands from the host */
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NdisHardwareStatusInitializing, /**< Hardware busy initializing */
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NdisHardwareStatusReset, /**< Hardware reset */
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NdisHardwareStatusClosing, /**< Hardware currently closing */
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NdisHardwareStatusNotReady /**< Hardware not ready to accept commands from the host */
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};
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/* Type Defines: */
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/** Type define for a physical MAC address of a device on a network */
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typedef struct
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{
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uint8_t Octets[6]; /**< Individual bytes of a MAC address */
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} MAC_Address_t;
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/** Type define for a RNDIS message header, sent before RNDIS messages */
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typedef struct
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{
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uint32_t MessageType; /**< RNDIS message type, a REMOTE_NDIS_*_MSG constant */
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uint32_t MessageLength; /**< Total length of the RNDIS message, in bytes */
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} RNDIS_Message_Header_t;
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/** Type define for an Ethernet frame buffer. */
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typedef struct
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{
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uint8_t FrameData[ETHERNET_FRAME_SIZE_MAX]; /**< Ethernet frame contents */
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uint16_t FrameLength; /**< Length in bytes of the Ethernet frame stored in the buffer */
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bool FrameInBuffer; /**< Indicates if a frame is currently stored in the buffer */
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} Ethernet_Frame_Info_t;
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/** Type define for a RNDIS packet message, used to encapsulate Ethernet packets sent to and from the adapter */
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typedef struct
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{
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uint32_t MessageType;
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uint32_t MessageLength;
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uint32_t DataOffset;
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uint32_t DataLength;
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uint32_t OOBDataOffset;
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uint32_t OOBDataLength;
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uint32_t NumOOBDataElements;
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uint32_t PerPacketInfoOffset;
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uint32_t PerPacketInfoLength;
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uint32_t VcHandle;
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uint32_t Reserved;
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} RNDIS_PACKET_MSG_t;
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typedef struct
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{
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uint8_t ControlInterfaceNumber; /**< Interface number of the CDC control interface within the device */
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uint8_t DataINEndpointNumber; /**< Endpoint number of the CDC interface's IN data endpoint */
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uint16_t DataINEndpointSize; /**< Size in bytes of the CDC interface's IN data endpoint */
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uint8_t DataOUTEndpointNumber; /**< Endpoint number of the CDC interface's OUT data endpoint */
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uint16_t DataOUTEndpointSize; /**< Size in bytes of the CDC interface's OUT data endpoint */
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uint8_t NotificationEndpointNumber; /**< Endpoint number of the CDC interface's IN notification endpoint, if used */
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uint16_t NotificationEndpointSize; /**< Size in bytes of the CDC interface's IN notification endpoint, if used */
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char* AdapterVendorDescription;
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MAC_Address_t AdapterMACAddress;
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uint8_t RNDISMessageBuffer[RNDIS_MESSAGE_BUFFER_SIZE];
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bool ResponseReady;
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uint8_t CurrRNDISState;
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uint32_t CurrPacketFilter;
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Ethernet_Frame_Info_t FrameIN;
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Ethernet_Frame_Info_t FrameOUT;
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} USB_ClassInfo_RNDIS_t;
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/** Type define for a RNDIS Initialize command message */
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typedef struct
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{
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uint32_t MessageType;
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uint32_t MessageLength;
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uint32_t RequestId;
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uint32_t MajorVersion;
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uint32_t MinorVersion;
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uint32_t MaxTransferSize;
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} RNDIS_INITIALIZE_MSG_t;
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/** Type define for a RNDIS Initialize complete response message */
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typedef struct
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{
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uint32_t MessageType;
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uint32_t MessageLength;
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uint32_t RequestId;
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uint32_t Status;
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uint32_t MajorVersion;
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uint32_t MinorVersion;
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uint32_t DeviceFlags;
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uint32_t Medium;
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uint32_t MaxPacketsPerTransfer;
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uint32_t MaxTransferSize;
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uint32_t PacketAlignmentFactor;
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uint32_t AFListOffset;
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uint32_t AFListSize;
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} RNDIS_INITIALIZE_CMPLT_t;
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/** Type define for a RNDIS Keepalive command message */
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typedef struct
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{
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uint32_t MessageType;
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uint32_t MessageLength;
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uint32_t RequestId;
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} RNDIS_KEEPALIVE_MSG_t;
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/** Type define for a RNDIS Keepalive complete message */
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typedef struct
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{
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uint32_t MessageType;
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uint32_t MessageLength;
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uint32_t RequestId;
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uint32_t Status;
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} RNDIS_KEEPALIVE_CMPLT_t;
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/** Type define for a RNDIS Reset complete message */
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typedef struct
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{
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uint32_t MessageType;
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uint32_t MessageLength;
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uint32_t Status;
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uint32_t AddressingReset;
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} RNDIS_RESET_CMPLT_t;
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/** Type define for a RNDIS Set command message */
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typedef struct
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{
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uint32_t MessageType;
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uint32_t MessageLength;
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uint32_t RequestId;
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uint32_t Oid;
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uint32_t InformationBufferLength;
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uint32_t InformationBufferOffset;
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uint32_t DeviceVcHandle;
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} RNDIS_SET_MSG_t;
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/** Type define for a RNDIS Set complete response message */
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typedef struct
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{
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uint32_t MessageType;
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uint32_t MessageLength;
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uint32_t RequestId;
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uint32_t Status;
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} RNDIS_SET_CMPLT_t;
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/** Type define for a RNDIS Query command message */
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typedef struct
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{
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uint32_t MessageType;
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uint32_t MessageLength;
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uint32_t RequestId;
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uint32_t Oid;
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uint32_t InformationBufferLength;
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uint32_t InformationBufferOffset;
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uint32_t DeviceVcHandle;
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} RNDIS_QUERY_MSG_t;
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/** Type define for a RNDIS Query complete response message */
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typedef struct
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{
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uint32_t MessageType;
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uint32_t MessageLength;
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uint32_t RequestId;
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uint32_t Status;
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uint32_t InformationBufferLength;
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uint32_t InformationBufferOffset;
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} RNDIS_QUERY_CMPLT_t;
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/* Function Prototypes: */
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#if defined(INCLUDE_FROM_RNDIS_CLASS_C)
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static void USB_RNDIS_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_t* RNDISInterfaceInfo);
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static bool USB_RNDIS_ProcessNDISQuery(USB_ClassInfo_RNDIS_t* RNDISInterfaceInfo,
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uint32_t OId, void* QueryData, uint16_t QuerySize,
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void* ResponseData, uint16_t* ResponseSize);
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static bool USB_RNDIS_ProcessNDISSet(USB_ClassInfo_RNDIS_t* RNDISInterfaceInfo, uint32_t OId,
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void* SetData, uint16_t SetSize);
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#endif
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bool USB_RNDIS_ConfigureEndpoints(USB_ClassInfo_RNDIS_t* RNDISInterfaceInfo);
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void USB_RNDIS_ProcessControlPacket(USB_ClassInfo_RNDIS_t* RNDISInterfaceInfo);
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void USB_RNDIS_USBTask(USB_ClassInfo_RNDIS_t* RNDISInterfaceInfo);
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/* Disable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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/** @} */
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