LUFA/Drivers/USB/Class/Device/RNDIS.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2010.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, distribute, and sell this
  13   software and its documentation for any purpose is hereby granted
  14   without fee, provided that the above copyright notice appear in
  15   all 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 #define  __INCLUDE_FROM_USB_DRIVER
  32 #include "../../HighLevel/USBMode.h"
  33 #if defined(USB_CAN_BE_DEVICE)
  34
  35 #define  __INCLUDE_FROM_RNDIS_CLASS_DEVICE_C
  36 #define  __INCLUDE_FROM_RNDIS_DRIVER
  37 #include "RNDIS.h"
  38
  39 static const uint32_t PROGMEM AdapterSupportedOIDList[]  =
  40         {
  41                 OID_GEN_SUPPORTED_LIST,
  42                 OID_GEN_PHYSICAL_MEDIUM,
  43                 OID_GEN_HARDWARE_STATUS,
  44                 OID_GEN_MEDIA_SUPPORTED,
  45                 OID_GEN_MEDIA_IN_USE,
  46                 OID_GEN_MAXIMUM_FRAME_SIZE,
  47                 OID_GEN_MAXIMUM_TOTAL_SIZE,
  48                 OID_GEN_LINK_SPEED,
  49                 OID_GEN_TRANSMIT_BLOCK_SIZE,
  50                 OID_GEN_RECEIVE_BLOCK_SIZE,
  51                 OID_GEN_VENDOR_ID,
  52                 OID_GEN_VENDOR_DESCRIPTION,
  53                 OID_GEN_CURRENT_PACKET_FILTER,
  54                 OID_GEN_MAXIMUM_TOTAL_SIZE,
  55                 OID_GEN_MEDIA_CONNECT_STATUS,
  56                 OID_GEN_XMIT_OK,
  57                 OID_GEN_RCV_OK,
  58                 OID_GEN_XMIT_ERROR,
  59                 OID_GEN_RCV_ERROR,
  60                 OID_GEN_RCV_NO_BUFFER,
  61                 OID_802_3_PERMANENT_ADDRESS,
  62                 OID_802_3_CURRENT_ADDRESS,
  63                 OID_802_3_MULTICAST_LIST,
  64                 OID_802_3_MAXIMUM_LIST_SIZE,
  65                 OID_802_3_RCV_ERROR_ALIGNMENT,
  66                 OID_802_3_XMIT_ONE_COLLISION,
  67                 OID_802_3_XMIT_MORE_COLLISIONS,
  68         };
  69
  70 void RNDIS_Device_ProcessControlRequest(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
  71 {
  72         if (!(Endpoint_IsSETUPReceived()))
  73           return;
  74
  75         if (USB_ControlRequest.wIndex != RNDISInterfaceInfo->Config.ControlInterfaceNumber)
  76           return;
  77
  78         switch (USB_ControlRequest.bRequest)
  79         {
  80                 case REQ_SendEncapsulatedCommand:
  81                         if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
  82                         {
  83                                 Endpoint_ClearSETUP();
  84
  85                                 Endpoint_Read_Control_Stream_LE(RNDISInterfaceInfo->State.RNDISMessageBuffer, USB_ControlRequest.wLength);
  86                                 RNDIS_Device_ProcessRNDISControlMessage(RNDISInterfaceInfo);
  87                                 Endpoint_ClearIN();
  88                         }
  89
  90                         break;
  91                 case REQ_GetEncapsulatedResponse:
  92                         if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
  93                         {
  94                                 Endpoint_ClearSETUP();
  95
  96                                 RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
  97
  98                                 if (!(MessageHeader->MessageLength))
  99                                 {
 100                                         RNDISInterfaceInfo->State.RNDISMessageBuffer[0] = 0;
 101                                         MessageHeader->MessageLength = 1;
 102                                 }
 103
 104                                 Endpoint_Write_Control_Stream_LE(RNDISInterfaceInfo->State.RNDISMessageBuffer, MessageHeader->MessageLength);
 105                                 Endpoint_ClearOUT();
 106
 107                                 MessageHeader->MessageLength = 0;
 108                         }
 109
 110                         break;
 111         }
 112 }
 113
 114 bool RNDIS_Device_ConfigureEndpoints(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
 115 {
 116         memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State));
 117
 118         if (!(Endpoint_ConfigureEndpoint(RNDISInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_BULK,
 119                                                                  ENDPOINT_DIR_IN, RNDISInterfaceInfo->Config.DataINEndpointSize,
 120                                                                  RNDISInterfaceInfo->Config.DataINEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
 121         {
 122                 return false;
 123         }
 124
 125         if (!(Endpoint_ConfigureEndpoint(RNDISInterfaceInfo->Config.DataOUTEndpointNumber, EP_TYPE_BULK,
 126                                          ENDPOINT_DIR_OUT, RNDISInterfaceInfo->Config.DataOUTEndpointSize,
 127                                          RNDISInterfaceInfo->Config.DataOUTEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
 128         {
 129                 return false;
 130         }
 131
 132         if (!(Endpoint_ConfigureEndpoint(RNDISInterfaceInfo->Config.NotificationEndpointNumber, EP_TYPE_INTERRUPT,
 133                                          ENDPOINT_DIR_IN, RNDISInterfaceInfo->Config.NotificationEndpointSize,
 134                                          RNDISInterfaceInfo->Config.NotificationEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
 135         {
 136                 return false;
 137         }
 138
 139         return true;
 140 }
 141
 142 void RNDIS_Device_USBTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
 143 {
 144         if (USB_DeviceState != DEVICE_STATE_Configured)
 145           return;
 146
 147         RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 148
 149         Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.NotificationEndpointNumber);
 150
 151         if (Endpoint_IsINReady() && RNDISInterfaceInfo->State.ResponseReady)
 152         {
 153                 USB_Request_Header_t Notification = (USB_Request_Header_t)
 154                         {
 155                                 .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
 156                                 .bRequest      = NOTIF_ResponseAvailable,
 157                                 .wValue        = 0,
 158                                 .wIndex        = 0,
 159                                 .wLength       = 0,
 160                         };
 161
 162                 Endpoint_Write_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NO_STREAM_CALLBACK);
 163
 164                 Endpoint_ClearIN();
 165
 166                 RNDISInterfaceInfo->State.ResponseReady = false;
 167         }
 168
 169         if ((RNDISInterfaceInfo->State.CurrRNDISState == RNDIS_Data_Initialized) && !(MessageHeader->MessageLength))
 170         {
 171                 RNDIS_Packet_Message_t RNDISPacketHeader;
 172
 173                 Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.DataOUTEndpointNumber);
 174
 175                 if (Endpoint_IsOUTReceived() && !(RNDISInterfaceInfo->State.FrameIN.FrameInBuffer))
 176                 {
 177                         Endpoint_Read_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NO_STREAM_CALLBACK);
 178
 179                         if (RNDISPacketHeader.DataLength > ETHERNET_FRAME_SIZE_MAX)
 180                         {
 181                                 Endpoint_StallTransaction();
 182                                 return;
 183                         }
 184
 185                         Endpoint_Read_Stream_LE(RNDISInterfaceInfo->State.FrameIN.FrameData, RNDISPacketHeader.DataLength, NO_STREAM_CALLBACK);
 186
 187                         Endpoint_ClearOUT();
 188
 189                         RNDISInterfaceInfo->State.FrameIN.FrameLength = RNDISPacketHeader.DataLength;
 190
 191                         RNDISInterfaceInfo->State.FrameIN.FrameInBuffer = true;
 192                 }
 193
 194                 Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.DataINEndpointNumber);
 195
 196                 if (Endpoint_IsINReady() && RNDISInterfaceInfo->State.FrameOUT.FrameInBuffer)
 197                 {
 198                         memset(&RNDISPacketHeader, 0, sizeof(RNDIS_Packet_Message_t));
 199
 200                         RNDISPacketHeader.MessageType   = REMOTE_NDIS_PACKET_MSG;
 201                         RNDISPacketHeader.MessageLength = (sizeof(RNDIS_Packet_Message_t) + RNDISInterfaceInfo->State.FrameOUT.FrameLength);
 202                         RNDISPacketHeader.DataOffset    = (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t));
 203                         RNDISPacketHeader.DataLength    = RNDISInterfaceInfo->State.FrameOUT.FrameLength;
 204
 205                         Endpoint_Write_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NO_STREAM_CALLBACK);
 206                         Endpoint_Write_Stream_LE(RNDISInterfaceInfo->State.FrameOUT.FrameData, RNDISPacketHeader.DataLength, NO_STREAM_CALLBACK);
 207                         Endpoint_ClearIN();
 208
 209                         RNDISInterfaceInfo->State.FrameOUT.FrameInBuffer = false;
 210                 }
 211         }
 212 }
 213
 214 void RNDIS_Device_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
 215 {
 216         /* Note: Only a single buffer is used for both the received message and its response to save SRAM. Because of
 217                  this, response bytes should be filled in order so that they do not clobber unread data in the buffer. */
 218
 219         RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 220
 221         switch (MessageHeader->MessageType)
 222         {
 223                 case REMOTE_NDIS_INITIALIZE_MSG:
 224                         RNDISInterfaceInfo->State.ResponseReady = true;
 225
 226                         RNDIS_Initialize_Message_t*  INITIALIZE_Message  =
 227                                        (RNDIS_Initialize_Message_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 228                         RNDIS_Initialize_Complete_t* INITIALIZE_Response =
 229                                        (RNDIS_Initialize_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 230
 231                         INITIALIZE_Response->MessageType           = REMOTE_NDIS_INITIALIZE_CMPLT;
 232                         INITIALIZE_Response->MessageLength         = sizeof(RNDIS_Initialize_Complete_t);
 233                         INITIALIZE_Response->RequestId             = INITIALIZE_Message->RequestId;
 234                         INITIALIZE_Response->Status                = REMOTE_NDIS_STATUS_SUCCESS;
 235
 236                         INITIALIZE_Response->MajorVersion          = REMOTE_NDIS_VERSION_MAJOR;
 237                         INITIALIZE_Response->MinorVersion          = REMOTE_NDIS_VERSION_MINOR;
 238                         INITIALIZE_Response->DeviceFlags           = REMOTE_NDIS_DF_CONNECTIONLESS;
 239                         INITIALIZE_Response->Medium                = REMOTE_NDIS_MEDIUM_802_3;
 240                         INITIALIZE_Response->MaxPacketsPerTransfer = 1;
 241                         INITIALIZE_Response->MaxTransferSize       = (sizeof(RNDIS_Packet_Message_t) + ETHERNET_FRAME_SIZE_MAX);
 242                         INITIALIZE_Response->PacketAlignmentFactor = 0;
 243                         INITIALIZE_Response->AFListOffset          = 0;
 244                         INITIALIZE_Response->AFListSize            = 0;
 245
 246                         RNDISInterfaceInfo->State.CurrRNDISState = RNDIS_Initialized;
 247
 248                         break;
 249                 case REMOTE_NDIS_HALT_MSG:
 250                         RNDISInterfaceInfo->State.ResponseReady = false;
 251                         MessageHeader->MessageLength = 0;
 252
 253                         RNDISInterfaceInfo->State.CurrRNDISState = RNDIS_Uninitialized;
 254
 255                         break;
 256                 case REMOTE_NDIS_QUERY_MSG:
 257                         RNDISInterfaceInfo->State.ResponseReady = true;
 258
 259                         RNDIS_Query_Message_t*  QUERY_Message  = (RNDIS_Query_Message_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 260                         RNDIS_Query_Complete_t* QUERY_Response = (RNDIS_Query_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 261                         uint32_t                Query_Oid      = QUERY_Message->Oid;
 262
 263                         void*     QueryData = &RNDISInterfaceInfo->State.RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
 264                                                                                             QUERY_Message->InformationBufferOffset];
 265                         void*     ResponseData = &RNDISInterfaceInfo->State.RNDISMessageBuffer[sizeof(RNDIS_Query_Complete_t)];
 266                         uint16_t  ResponseSize;
 267
 268                         QUERY_Response->MessageType   = REMOTE_NDIS_QUERY_CMPLT;
 269                         QUERY_Response->MessageLength = sizeof(RNDIS_Query_Complete_t);
 270
 271                         if (RNDIS_Device_ProcessNDISQuery(RNDISInterfaceInfo, Query_Oid, QueryData, QUERY_Message->InformationBufferLength,
 272                                                           ResponseData, &ResponseSize))
 273                         {
 274                                 QUERY_Response->Status                  = REMOTE_NDIS_STATUS_SUCCESS;
 275                                 QUERY_Response->MessageLength          += ResponseSize;
 276
 277                                 QUERY_Response->InformationBufferLength = ResponseSize;
 278                                 QUERY_Response->InformationBufferOffset = (sizeof(RNDIS_Query_Complete_t) - sizeof(RNDIS_Message_Header_t));
 279                         }
 280                         else
 281                         {
 282                                 QUERY_Response->Status                  = REMOTE_NDIS_STATUS_NOT_SUPPORTED;
 283
 284                                 QUERY_Response->InformationBufferLength = 0;
 285                                 QUERY_Response->InformationBufferOffset = 0;
 286                         }
 287
 288                         break;
 289                 case REMOTE_NDIS_SET_MSG:
 290                         RNDISInterfaceInfo->State.ResponseReady = true;
 291
 292                         RNDIS_Set_Message_t*  SET_Message  = (RNDIS_Set_Message_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 293                         RNDIS_Set_Complete_t* SET_Response = (RNDIS_Set_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 294                         uint32_t              SET_Oid      = SET_Message->Oid;
 295
 296                         SET_Response->MessageType   = REMOTE_NDIS_SET_CMPLT;
 297                         SET_Response->MessageLength = sizeof(RNDIS_Set_Complete_t);
 298                         SET_Response->RequestId     = SET_Message->RequestId;
 299
 300                         void* SetData = &RNDISInterfaceInfo->State.RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
 301                                                                                       SET_Message->InformationBufferOffset];
 302
 303                         SET_Response->Status = RNDIS_Device_ProcessNDISSet(RNDISInterfaceInfo, SET_Oid, SetData,
 304                                                                            SET_Message->InformationBufferLength) ?
 305                                                                            REMOTE_NDIS_STATUS_SUCCESS : REMOTE_NDIS_STATUS_NOT_SUPPORTED;
 306                         break;
 307                 case REMOTE_NDIS_RESET_MSG:
 308                         RNDISInterfaceInfo->State.ResponseReady = true;
 309
 310                         RNDIS_Reset_Complete_t* RESET_Response = (RNDIS_Reset_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 311
 312                         RESET_Response->MessageType     = REMOTE_NDIS_RESET_CMPLT;
 313                         RESET_Response->MessageLength   = sizeof(RNDIS_Reset_Complete_t);
 314                         RESET_Response->Status          = REMOTE_NDIS_STATUS_SUCCESS;
 315                         RESET_Response->AddressingReset = 0;
 316
 317                         break;
 318                 case REMOTE_NDIS_KEEPALIVE_MSG:
 319                         RNDISInterfaceInfo->State.ResponseReady = true;
 320
 321                         RNDIS_KeepAlive_Message_t*  KEEPALIVE_Message  =
 322                                         (RNDIS_KeepAlive_Message_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 323                         RNDIS_KeepAlive_Complete_t* KEEPALIVE_Response =
 324                                         (RNDIS_KeepAlive_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 325
 326                         KEEPALIVE_Response->MessageType   = REMOTE_NDIS_KEEPALIVE_CMPLT;
 327                         KEEPALIVE_Response->MessageLength = sizeof(RNDIS_KeepAlive_Complete_t);
 328                         KEEPALIVE_Response->RequestId     = KEEPALIVE_Message->RequestId;
 329                         KEEPALIVE_Response->Status        = REMOTE_NDIS_STATUS_SUCCESS;
 330
 331                         break;
 332         }
 333 }
 334
 335 static bool RNDIS_Device_ProcessNDISQuery(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
 336                                           const uint32_t OId, void* const QueryData, const uint16_t QuerySize,
 337                                           void* ResponseData, uint16_t* const ResponseSize)
 338 {
 339         (void)QueryData;
 340         (void)QuerySize;
 341
 342         switch (OId)
 343         {
 344                 case OID_GEN_SUPPORTED_LIST:
 345                         *ResponseSize = sizeof(AdapterSupportedOIDList);
 346
 347                         memcpy_P(ResponseData, AdapterSupportedOIDList, sizeof(AdapterSupportedOIDList));
 348
 349                         return true;
 350                 case OID_GEN_PHYSICAL_MEDIUM:
 351                         *ResponseSize = sizeof(uint32_t);
 352
 353                         /* Indicate that the device is a true ethernet link */
 354                         *((uint32_t*)ResponseData) = 0;
 355
 356                         return true;
 357                 case OID_GEN_HARDWARE_STATUS:
 358                         *ResponseSize = sizeof(uint32_t);
 359
 360                         *((uint32_t*)ResponseData) = NDIS_HardwareStatus_Ready;
 361
 362                         return true;
 363                 case OID_GEN_MEDIA_SUPPORTED:
 364                 case OID_GEN_MEDIA_IN_USE:
 365                         *ResponseSize = sizeof(uint32_t);
 366
 367                         *((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIUM_802_3;
 368
 369                         return true;
 370                 case OID_GEN_VENDOR_ID:
 371                         *ResponseSize = sizeof(uint32_t);
 372
 373                         /* Vendor ID 0x0xFFFFFF is reserved for vendors who have not purchased a NDIS VID */
 374                         *((uint32_t*)ResponseData) = 0x00FFFFFF;
 375
 376                         return true;
 377                 case OID_GEN_MAXIMUM_FRAME_SIZE:
 378                 case OID_GEN_TRANSMIT_BLOCK_SIZE:
 379                 case OID_GEN_RECEIVE_BLOCK_SIZE:
 380                         *ResponseSize = sizeof(uint32_t);
 381
 382                         *((uint32_t*)ResponseData) = ETHERNET_FRAME_SIZE_MAX;
 383
 384                         return true;
 385                 case OID_GEN_VENDOR_DESCRIPTION:
 386                         *ResponseSize = (strlen(RNDISInterfaceInfo->Config.AdapterVendorDescription) + 1);
 387
 388                         memcpy(ResponseData, RNDISInterfaceInfo->Config.AdapterVendorDescription, *ResponseSize);
 389
 390                         return true;
 391                 case OID_GEN_MEDIA_CONNECT_STATUS:
 392                         *ResponseSize = sizeof(uint32_t);
 393
 394                         *((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIA_STATE_CONNECTED;
 395
 396                         return true;
 397                 case OID_GEN_LINK_SPEED:
 398                         *ResponseSize = sizeof(uint32_t);
 399
 400                         /* Indicate 10Mb/s link speed */
 401                         *((uint32_t*)ResponseData) = 100000;
 402
 403                         return true;
 404                 case OID_802_3_PERMANENT_ADDRESS:
 405                 case OID_802_3_CURRENT_ADDRESS:
 406                         *ResponseSize = sizeof(MAC_Address_t);
 407
 408                         memcpy(ResponseData, &RNDISInterfaceInfo->Config.AdapterMACAddress, sizeof(MAC_Address_t));
 409
 410                         return true;
 411                 case OID_802_3_MAXIMUM_LIST_SIZE:
 412                         *ResponseSize = sizeof(uint32_t);
 413
 414                         /* Indicate only one multicast address supported */
 415                         *((uint32_t*)ResponseData) = 1;
 416
 417                         return true;
 418                 case OID_GEN_CURRENT_PACKET_FILTER:
 419                         *ResponseSize = sizeof(uint32_t);
 420
 421                         *((uint32_t*)ResponseData) = RNDISInterfaceInfo->State.CurrPacketFilter;
 422
 423                         return true;
 424                 case OID_GEN_XMIT_OK:
 425                 case OID_GEN_RCV_OK:
 426                 case OID_GEN_XMIT_ERROR:
 427                 case OID_GEN_RCV_ERROR:
 428                 case OID_GEN_RCV_NO_BUFFER:
 429                 case OID_802_3_RCV_ERROR_ALIGNMENT:
 430                 case OID_802_3_XMIT_ONE_COLLISION:
 431                 case OID_802_3_XMIT_MORE_COLLISIONS:
 432                         *ResponseSize = sizeof(uint32_t);
 433
 434                         /* Unused statistic OIDs - always return 0 for each */
 435                         *((uint32_t*)ResponseData) = 0;
 436
 437                         return true;
 438                 case OID_GEN_MAXIMUM_TOTAL_SIZE:
 439                         *ResponseSize = sizeof(uint32_t);
 440
 441                         /* Indicate maximum overall buffer (Ethernet frame and RNDIS header) the adapter can handle */
 442                         *((uint32_t*)ResponseData) = (RNDIS_MESSAGE_BUFFER_SIZE + ETHERNET_FRAME_SIZE_MAX);
 443
 444                         return true;
 445                 default:
 446                         return false;
 447         }
 448 }
 449
 450 static bool RNDIS_Device_ProcessNDISSet(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo, const uint32_t OId,
 451                                         void* SetData, const uint16_t SetSize)
 452 {
 453         (void)SetSize;
 454
 455         switch (OId)
 456         {
 457                 case OID_GEN_CURRENT_PACKET_FILTER:
 458                         RNDISInterfaceInfo->State.CurrPacketFilter = *((uint32_t*)SetData);
 459                         RNDISInterfaceInfo->State.CurrRNDISState = ((RNDISInterfaceInfo->State.CurrPacketFilter) ?
 460                                                               RNDIS_Data_Initialized : RNDIS_Data_Initialized);
 461
 462                         return true;
 463                 case OID_802_3_MULTICAST_LIST:
 464                         /* Do nothing - throw away the value from the host as it is unused */
 465
 466                         return true;
 467                 default:
 468                         return false;
 469         }
 470 }
 471
 472 #endif