Demos/Device/LowLevel/RNDISEthernet/Lib/RNDIS.h

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2009.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, and distribute this software
  13   and its documentation for any purpose and without fee is hereby
  14   granted, provided that the above copyright notice appear in all
  15   copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 /** \file
  32  *
  33  *  Header file for RNDIS.c.
  34  */
  35
  36 #ifndef _RNDIS_H_
  37 #define _RNDIS_H_
  38
  39         /* Includes: */
  40                 #include <avr/io.h>
  41                 #include <stdbool.h>
  42
  43                 #include "RNDISEthernet.h"
  44                 #include "RNDISConstants.h"
  45                 #include "Ethernet.h"
  46
  47         /* Macros: */
  48                 /** Physical MAC Address of the USB network adapter */
  49                 #define ADAPTER_MAC_ADDRESS                   {0x02, 0x00, 0x02, 0x00, 0x02, 0x00}
  50
  51                 /** Implemented RNDIS Version Major */
  52                 #define REMOTE_NDIS_VERSION_MAJOR             0x01
  53
  54                 /** Implemented RNDIS Version Minor */
  55                 #define REMOTE_NDIS_VERSION_MINOR             0x00
  56
  57                 /** RNDIS request to issue a host-to-device NDIS command */
  58                 #define REQ_SendEncapsulatedCommand           0x00
  59
  60                 /** RNDIS request to issue a device-to-host NDIS response */
  61                 #define REQ_GetEncapsulatedResponse           0x01
  62
  63         /* Enums: */
  64                 /** Enum for the possible NDIS adapter states. */
  65                 enum RNDIS_States_t
  66                 {
  67                         RNDIS_Uninitialized    = 0, /**< Adapter currently uninitialized */
  68                         RNDIS_Initialized      = 1, /**< Adapter currently initialized but not ready for data transfers */
  69                         RNDIS_Data_Initialized = 2, /**< Adapter currently initialized and ready for data transfers */
  70                 };
  71
  72                 /** Enum for the NDIS hardware states */
  73                 enum NDIS_Hardware_Status_t
  74                 {
  75                         NdisHardwareStatusReady, /**< Hardware Ready to accept commands from the host */
  76                         NdisHardwareStatusInitializing, /**< Hardware busy initializing */
  77                         NdisHardwareStatusReset, /**< Hardware reset */
  78                         NdisHardwareStatusClosing, /**< Hardware currently closing */
  79                         NdisHardwareStatusNotReady /**< Hardware not ready to accept commands from the host */
  80                 };
  81
  82         /* Type Defines: */
  83                 /** Type define for a RNDIS message header, sent before RNDIS messages */
  84                 typedef struct
  85                 {
  86                         uint32_t MessageType; /**< RNDIS message type, a REMOTE_NDIS_*_MSG constant */
  87                         uint32_t MessageLength; /**< Total length of the RNDIS message, in bytes */
  88                 } RNDIS_Message_Header_t;
  89
  90                 /** Type define for a RNDIS packet message, used to encapsulate Ethernet packets sent to and from the adapter */
  91                 typedef struct
  92                 {
  93                         uint32_t MessageType;
  94                         uint32_t MessageLength;
  95                         uint32_t DataOffset;
  96                         uint32_t DataLength;
  97                         uint32_t OOBDataOffset;
  98                         uint32_t OOBDataLength;
  99                         uint32_t NumOOBDataElements;
 100                         uint32_t PerPacketInfoOffset;
 101                         uint32_t PerPacketInfoLength;
 102                         uint32_t VcHandle;
 103                         uint32_t Reserved;
 104                 } RNDIS_Packet_Message_t;
 105
 106                 /** Type define for a RNDIS Initialize command message */
 107                 typedef struct
 108                 {
 109                         uint32_t MessageType;
 110                         uint32_t MessageLength;
 111                         uint32_t RequestId;
 112
 113                         uint32_t MajorVersion;
 114                         uint32_t MinorVersion;
 115                         uint32_t MaxTransferSize;
 116                 } RNDIS_Initialize_Message_t;
 117
 118                 /** Type define for a RNDIS Initialize complete response message */
 119                 typedef struct
 120                 {
 121                         uint32_t MessageType;
 122                         uint32_t MessageLength;
 123                         uint32_t RequestId;
 124                         uint32_t Status;
 125
 126                         uint32_t MajorVersion;
 127                         uint32_t MinorVersion;
 128                         uint32_t DeviceFlags;
 129                         uint32_t Medium;
 130                         uint32_t MaxPacketsPerTransfer;
 131                         uint32_t MaxTransferSize;
 132                         uint32_t PacketAlignmentFactor;
 133                         uint32_t AFListOffset;
 134                         uint32_t AFListSize;
 135                 } RNDIS_Initialize_Complete_t;
 136
 137                 /** Type define for a RNDIS Keepalive command message */
 138                 typedef struct
 139                 {
 140                         uint32_t MessageType;
 141                         uint32_t MessageLength;
 142                         uint32_t RequestId;
 143                 } RNDIS_KeepAlive_Message_t;
 144
 145                 /** Type define for a RNDIS Keepalive complete message */
 146                 typedef struct
 147                 {
 148                         uint32_t MessageType;
 149                         uint32_t MessageLength;
 150                         uint32_t RequestId;
 151                         uint32_t Status;
 152                 } RNDIS_KeepAlive_Complete_t;
 153
 154                 /** Type define for a RNDIS Reset complete message */
 155                 typedef struct
 156                 {
 157                         uint32_t MessageType;
 158                         uint32_t MessageLength;
 159                         uint32_t Status;
 160
 161                         uint32_t AddressingReset;
 162                 } RNDIS_Reset_Complete_t;
 163
 164                 /** Type define for a RNDIS Set command message */
 165                 typedef struct
 166                 {
 167                         uint32_t MessageType;
 168                         uint32_t MessageLength;
 169                         uint32_t RequestId;
 170
 171                         uint32_t Oid;
 172                         uint32_t InformationBufferLength;
 173                         uint32_t InformationBufferOffset;
 174                         uint32_t DeviceVcHandle;
 175                 } RNDIS_Set_Message_t;
 176
 177                 /** Type define for a RNDIS Set complete response message */
 178                 typedef struct
 179                 {
 180                         uint32_t MessageType;
 181                         uint32_t MessageLength;
 182                         uint32_t RequestId;
 183                         uint32_t Status;
 184                 } RNDIS_Set_Complete_t;
 185
 186                 /** Type define for a RNDIS Query command message */
 187                 typedef struct
 188                 {
 189                         uint32_t MessageType;
 190                         uint32_t MessageLength;
 191                         uint32_t RequestId;
 192
 193                         uint32_t Oid;
 194                         uint32_t InformationBufferLength;
 195                         uint32_t InformationBufferOffset;
 196                         uint32_t DeviceVcHandle;
 197                 } RNDIS_Query_Message_t;
 198
 199                 /** Type define for a RNDIS Query complete response message */
 200                 typedef struct
 201                 {
 202                         uint32_t MessageType;
 203                         uint32_t MessageLength;
 204                         uint32_t RequestId;
 205                         uint32_t Status;
 206
 207                         uint32_t InformationBufferLength;
 208                         uint32_t InformationBufferOffset;
 209                 } RNDIS_Query_Complete_t;
 210
 211         /* External Variables: */
 212                 extern uint8_t                 RNDISMessageBuffer[];
 213                 extern RNDIS_Message_Header_t* MessageHeader;
 214                 extern bool                    ResponseReady;
 215                 extern uint8_t                 CurrRNDISState;
 216
 217         /* Function Prototypes: */
 218                 void ProcessRNDISControlMessage(void);
 219
 220                 #if defined(INCLUDE_FROM_RNDIS_C)
 221                         static bool ProcessNDISQuery(uint32_t OId, void* QueryData, uint16_t QuerySize,
 222                                                                                  void* ResponseData, uint16_t* ResponseSize);
 223                         static bool ProcessNDISSet(uint32_t OId, void* SetData, uint16_t SetSize);
 224                 #endif
 225
 226 #endif