diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/RNDIS.c')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Host/RNDIS.c | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/RNDIS.c b/LUFA/Drivers/USB/Class/Host/RNDIS.c new file mode 100644 index 000000000..e44d05fab --- /dev/null +++ b/LUFA/Drivers/USB/Class/Host/RNDIS.c @@ -0,0 +1,446 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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.
+*/
+
+#include "../../HighLevel/USBMode.h"
+#if defined(USB_CAN_BE_HOST)
+
+#define INCLUDE_FROM_RNDIS_CLASS_HOST_C
+#include "RNDIS.h"
+
+uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint16_t ConfigDescriptorSize,
+ void* ConfigDescriptorData)
+{
+ uint8_t FoundEndpoints = 0;
+
+ memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State));
+
+ if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
+ return RNDIS_ENUMERROR_InvalidConfigDescriptor;
+
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DComp_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ return RNDIS_ENUMERROR_NoRNDISInterfaceFound;
+ }
+
+ RNDISInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;
+
+ while (FoundEndpoints != (RNDIS_FOUND_NOTIFICATION_IN | RNDIS_FOUND_DATAPIPE_IN | RNDIS_FOUND_DATAPIPE_OUT))
+ {
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DComp_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ if (FoundEndpoints & RNDIS_FOUND_NOTIFICATION_IN)
+ {
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DComp_RNDIS_Host_NextRNDISDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ return RNDIS_ENUMERROR_NoRNDISInterfaceFound;
+ }
+ }
+ else
+ {
+ FoundEndpoints = 0;
+
+ Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_DisablePipe();
+ Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber);
+ Pipe_DisablePipe();
+ Pipe_SelectPipe(RNDISInterfaceInfo->Config.NotificationPipeNumber);
+ Pipe_DisablePipe();
+
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DComp_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ return RNDIS_ENUMERROR_NoRNDISInterfaceFound;
+ }
+ }
+
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DComp_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ return RNDIS_ENUMERROR_EndpointsNotFound;
+ }
+ }
+
+ USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
+
+ if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
+ {
+ if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
+ {
+ Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
+ EndpointData->EndpointAddress, EndpointData->EndpointSize,
+ RNDISInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
+ RNDISInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize;
+
+ Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
+
+ FoundEndpoints |= RNDIS_FOUND_NOTIFICATION_IN;
+ }
+ }
+ else
+ {
+ if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
+ {
+ if (Pipe_IsEndpointBound(EndpointData->EndpointAddress))
+ {
+ RNDISInterfaceInfo->State.BidirectionalDataEndpoints = true;
+ Pipe_DisablePipe();
+ }
+
+ Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
+ EndpointData->EndpointAddress, EndpointData->EndpointSize,
+ RNDISInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
+ RNDISInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
+
+ FoundEndpoints |= RNDIS_FOUND_DATAPIPE_IN;
+ }
+ else
+ {
+ if (Pipe_IsEndpointBound(EndpointData->EndpointAddress))
+ {
+ RNDISInterfaceInfo->State.BidirectionalDataEndpoints = true;
+ }
+ else
+ {
+ Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
+ EndpointData->EndpointAddress, EndpointData->EndpointSize,
+ RNDISInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
+ }
+
+ RNDISInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
+
+ FoundEndpoints |= RNDIS_FOUND_DATAPIPE_OUT;
+ }
+ }
+ }
+
+ RNDISInterfaceInfo->State.IsActive = true;
+ return RNDIS_ENUMERROR_NoError;
+}
+
+static uint8_t DComp_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDescriptor)
+{
+ if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+ {
+ USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
+ USB_Descriptor_Interface_t);
+
+ if ((CurrentInterface->Class == RNDIS_CONTROL_CLASS) &&
+ (CurrentInterface->SubClass == RNDIS_CONTROL_SUBCLASS) &&
+ (CurrentInterface->Protocol == RNDIS_CONTROL_PROTOCOL))
+ {
+ return DESCRIPTOR_SEARCH_Found;
+ }
+ }
+
+ return DESCRIPTOR_SEARCH_NotFound;
+}
+
+static uint8_t DComp_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescriptor)
+{
+ if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+ {
+ USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
+ USB_Descriptor_Interface_t);
+
+ if ((CurrentInterface->Class == RNDIS_DATA_CLASS) &&
+ (CurrentInterface->SubClass == RNDIS_DATA_SUBCLASS) &&
+ (CurrentInterface->Protocol == RNDIS_DATA_PROTOCOL))
+ {
+ return DESCRIPTOR_SEARCH_Found;
+ }
+ }
+
+ return DESCRIPTOR_SEARCH_NotFound;
+}
+
+static uint8_t DComp_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDescriptor)
+{
+ if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+ {
+ USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
+ USB_Descriptor_Endpoint_t);
+
+ uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
+
+ if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))
+ {
+ return DESCRIPTOR_SEARCH_Found;
+ }
+ }
+ else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+ {
+ return DESCRIPTOR_SEARCH_Fail;
+ }
+
+ return DESCRIPTOR_SEARCH_NotFound;
+}
+
+void RNDIS_Host_USBTask(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
+{
+
+}
+
+static uint8_t RNDIS_SendEncapsulatedCommand(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
+ void* Buffer, uint16_t Length)
+{
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = REQ_SendEncapsulatedCommand,
+ .wValue = 0,
+ .wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber,
+ .wLength = Length,
+ };
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+ return USB_Host_SendControlRequest(Buffer);
+}
+
+static uint8_t RNDIS_GetEncapsulatedResponse(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
+ void* Buffer, uint16_t Length)
+{
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = REQ_GetEncapsulatedResponse,
+ .wValue = 0,
+ .wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber,
+ .wLength = Length,
+ };
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+ return USB_Host_SendControlRequest(Buffer);
+}
+
+uint8_t RNDIS_Host_SendKeepAlive(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
+{
+ uint8_t ErrorCode;
+
+ RNDIS_KeepAlive_Message_t KeepAliveMessage;
+ RNDIS_KeepAlive_Complete_t KeepAliveMessageResponse;
+
+ KeepAliveMessage.MessageType = REMOTE_NDIS_KEEPALIVE_MSG;
+ KeepAliveMessage.MessageLength = sizeof(RNDIS_KeepAlive_Message_t);
+ KeepAliveMessage.RequestId = RNDISInterfaceInfo->State.RequestID++;
+
+ if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &KeepAliveMessage,
+ sizeof(RNDIS_KeepAlive_Message_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &KeepAliveMessageResponse,
+ sizeof(RNDIS_KeepAlive_Complete_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+uint8_t RNDIS_Host_InitializeDevice(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
+{
+ uint8_t ErrorCode;
+
+ RNDIS_Initialize_Message_t InitMessage;
+ RNDIS_Initialize_Complete_t InitMessageResponse;
+
+ InitMessage.MessageType = REMOTE_NDIS_INITIALIZE_MSG;
+ InitMessage.MessageLength = sizeof(RNDIS_Initialize_Message_t);
+ InitMessage.RequestId = RNDISInterfaceInfo->State.RequestID++;
+
+ InitMessage.MajorVersion = REMOTE_NDIS_VERSION_MAJOR;
+ InitMessage.MinorVersion = REMOTE_NDIS_VERSION_MINOR;
+ InitMessage.MaxTransferSize = RNDISInterfaceInfo->Config.HostMaxPacketSize;
+
+ if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &InitMessage,
+ sizeof(RNDIS_Initialize_Message_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &InitMessageResponse,
+ sizeof(RNDIS_Initialize_Complete_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if (InitMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
+ return RNDIS_COMMAND_FAILED;
+
+ RNDISInterfaceInfo->State.DeviceMaxPacketSize = InitMessageResponse.MaxTransferSize;
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+uint8_t RNDIS_Host_SetRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint32_t Oid, void* Buffer, uint16_t Length)
+{
+ uint8_t ErrorCode;
+
+ struct
+ {
+ RNDIS_Set_Message_t SetMessage;
+ uint8_t ContigiousBuffer[Length];
+ } SetMessageData;
+
+ RNDIS_Set_Complete_t SetMessageResponse;
+
+ SetMessageData.SetMessage.MessageType = REMOTE_NDIS_SET_MSG;
+ SetMessageData.SetMessage.MessageLength = sizeof(RNDIS_Set_Message_t) + Length;
+ SetMessageData.SetMessage.RequestId = RNDISInterfaceInfo->State.RequestID++;
+
+ SetMessageData.SetMessage.Oid = Oid;
+ SetMessageData.SetMessage.InformationBufferLength = Length;
+ SetMessageData.SetMessage.InformationBufferOffset = (sizeof(RNDIS_Set_Message_t) - sizeof(RNDIS_Message_Header_t));
+ SetMessageData.SetMessage.DeviceVcHandle = 0;
+
+ memcpy(&SetMessageData.ContigiousBuffer, Buffer, Length);
+
+ if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &SetMessageData,
+ SetMessageData.SetMessage.MessageLength)) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &SetMessageResponse,
+ sizeof(RNDIS_Set_Complete_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if (SetMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
+ return RNDIS_COMMAND_FAILED;
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+uint8_t RNDIS_Host_QueryRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint32_t Oid, void* Buffer, uint16_t MaxLength)
+{
+ uint8_t ErrorCode;
+
+ RNDIS_Query_Message_t QueryMessage;
+
+ struct
+ {
+ RNDIS_Query_Complete_t QueryMessageResponse;
+ uint8_t ContigiousBuffer[MaxLength];
+ } QueryMessageResponseData;
+
+ QueryMessage.MessageType = REMOTE_NDIS_QUERY_MSG;
+ QueryMessage.MessageLength = sizeof(RNDIS_Query_Message_t);
+ QueryMessage.RequestId = RNDISInterfaceInfo->State.RequestID++;
+
+ QueryMessage.Oid = Oid;
+ QueryMessage.InformationBufferLength = 0;
+ QueryMessage.InformationBufferOffset = 0;
+ QueryMessage.DeviceVcHandle = 0;
+
+ if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &QueryMessage,
+ sizeof(RNDIS_Query_Message_t))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &QueryMessageResponseData,
+ sizeof(QueryMessageResponseData))) != HOST_SENDCONTROL_Successful)
+ {
+ return ErrorCode;
+ }
+
+ if (QueryMessageResponseData.QueryMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
+ return RNDIS_COMMAND_FAILED;
+
+ memcpy(Buffer, &QueryMessageResponseData.ContigiousBuffer, MaxLength);
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+bool RNDIS_Host_IsPacketReceived(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
+{
+ bool PacketWaiting;
+
+ if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive))
+ return false;
+
+ Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
+
+ Pipe_Unfreeze();
+
+ PacketWaiting = Pipe_IsINReceived();
+
+ Pipe_Freeze();
+
+ return PacketWaiting;
+}
+
+uint8_t RNDIS_Host_ReadPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, void* Buffer, uint16_t* PacketLength)
+{
+ uint8_t ErrorCode;
+
+ if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive))
+ return PIPE_READYWAIT_DeviceDisconnected;
+
+ Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
+ Pipe_Unfreeze();
+
+ if (!(Pipe_IsReadWriteAllowed()))
+ {
+ *PacketLength = 0;
+ Pipe_Freeze();
+ return PIPE_RWSTREAM_NoError;
+ }
+
+ RNDIS_Packet_Message_t DeviceMessage;
+
+ if ((ErrorCode = Pipe_Read_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t),
+ NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
+ {
+ return ErrorCode;
+ }
+
+ *PacketLength = (uint16_t)DeviceMessage.DataLength;
+
+ Pipe_Discard_Stream(DeviceMessage.DataOffset - (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)),
+ NO_STREAM_CALLBACK);
+
+ Pipe_Read_Stream_LE(Buffer, *PacketLength, NO_STREAM_CALLBACK);
+ Pipe_ClearIN();
+
+ Pipe_Freeze();
+
+ return PIPE_RWSTREAM_NoError;
+}
+
+#endif
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