diff options
| author | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2010-05-08 03:12:14 +0000 |
|---|---|---|
| committer | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2010-05-08 03:12:14 +0000 |
| commit | b5f6d7ca1be6920de8226721ebb3fc2f937854cd (patch) | |
| tree | 960446788703b69f0bb285450be80c5b3d8cc22c /LUFA/Drivers/USB/Class/Host/RNDIS.c | |
| parent | 1acf6dfebeef8112b7df381b71253cebc75c16f3 (diff) | |
Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
git-svn-id: http://lufa-lib.googlecode.com/svn/trunk@1248 d5102386-fcda-11dd-9fdb-3debd5008f28
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/RNDIS.c')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Host/RNDIS.c | 934 |
1 files changed, 467 insertions, 467 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/RNDIS.c b/LUFA/Drivers/USB/Class/Host/RNDIS.c index b81c6af5..06175d23 100644 --- a/LUFA/Drivers/USB/Class/Host/RNDIS.c +++ b/LUFA/Drivers/USB/Class/Host/RNDIS.c @@ -1,467 +1,467 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 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.
-*/
-
-#define __INCLUDE_FROM_USB_DRIVER
-#include "../../HighLevel/USBMode.h"
-#if defined(USB_CAN_BE_HOST)
-
-#define __INCLUDE_FROM_RNDIS_CLASS_HOST_C
-#define __INCLUDE_FROM_RNDIS_DRIVER
-#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)
- {
- 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
- {
- 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)) &&
- !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
- {
- return DESCRIPTOR_SEARCH_Found;
- }
- }
- else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
- {
- return DESCRIPTOR_SEARCH_Fail;
- }
-
- return DESCRIPTOR_SEARCH_NotFound;
-}
-
-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()))
- {
- if (Pipe_IsINReceived())
- Pipe_ClearIN();
-
- *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);
-
- if (!(Pipe_BytesInPipe()))
- Pipe_ClearIN();
-
- Pipe_Freeze();
-
- return PIPE_RWSTREAM_NoError;
-}
-
-uint8_t RNDIS_Host_SendPacket(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;
-
- RNDIS_Packet_Message_t DeviceMessage;
-
- memset(&DeviceMessage, 0, sizeof(RNDIS_Packet_Message_t));
- DeviceMessage.MessageType = REMOTE_NDIS_PACKET_MSG;
- DeviceMessage.MessageLength = (sizeof(RNDIS_Packet_Message_t) + PacketLength);
- DeviceMessage.DataOffset = (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t));
- DeviceMessage.DataLength = PacketLength;
-
- Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber);
- Pipe_Unfreeze();
-
- if ((ErrorCode = Pipe_Write_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t),
- NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
- {
- return ErrorCode;
- }
-
- Pipe_Write_Stream_LE(Buffer, PacketLength, NO_STREAM_CALLBACK);
- Pipe_ClearOUT();
-
- Pipe_Freeze();
-
- return PIPE_RWSTREAM_NoError;
-}
-
-#endif
+/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2010 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. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "../../HighLevel/USBMode.h" +#if defined(USB_CAN_BE_HOST) + +#define __INCLUDE_FROM_RNDIS_CLASS_HOST_C +#define __INCLUDE_FROM_RNDIS_DRIVER +#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) + { + 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 + { + 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)) && + !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))) + { + return DESCRIPTOR_SEARCH_Found; + } + } + else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) + { + return DESCRIPTOR_SEARCH_Fail; + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +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())) + { + if (Pipe_IsINReceived()) + Pipe_ClearIN(); + + *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); + + if (!(Pipe_BytesInPipe())) + Pipe_ClearIN(); + + Pipe_Freeze(); + + return PIPE_RWSTREAM_NoError; +} + +uint8_t RNDIS_Host_SendPacket(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; + + RNDIS_Packet_Message_t DeviceMessage; + + memset(&DeviceMessage, 0, sizeof(RNDIS_Packet_Message_t)); + DeviceMessage.MessageType = REMOTE_NDIS_PACKET_MSG; + DeviceMessage.MessageLength = (sizeof(RNDIS_Packet_Message_t) + PacketLength); + DeviceMessage.DataOffset = (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)); + DeviceMessage.DataLength = PacketLength; + + Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber); + Pipe_Unfreeze(); + + if ((ErrorCode = Pipe_Write_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t), + NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError) + { + return ErrorCode; + } + + Pipe_Write_Stream_LE(Buffer, PacketLength, NO_STREAM_CALLBACK); + Pipe_ClearOUT(); + + Pipe_Freeze(); + + return PIPE_RWSTREAM_NoError; +} + +#endif |
