--- /dev/null
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 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 "../../Core/USBMode.h"
+
+#if defined(USB_CAN_BE_HOST)
+
+#define __INCLUDE_FROM_RNDIS_DRIVER
+#define __INCLUDE_FROM_RNDIS_HOST_C
+#include "RNDISClassHost.h"
+
+uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
+ uint16_t ConfigDescriptorSize,
+ void* ConfigDescriptorData)
+{
+ USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
+ USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
+ USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
+ USB_Descriptor_Interface_t* RNDISControlInterface = NULL;
+
+ memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State));
+
+ if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
+ return RNDIS_ENUMERROR_InvalidConfigDescriptor;
+
+ RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
+
+ while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint))
+ {
+ if (!(RNDISControlInterface) ||
+ USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ if (NotificationEndpoint)
+ {
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DCOMP_RNDIS_Host_NextRNDISDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ return RNDIS_ENUMERROR_NoCompatibleInterfaceFound;
+ }
+
+ DataINEndpoint = NULL;
+ DataOUTEndpoint = NULL;
+ }
+ else
+ {
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DCOMP_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ return RNDIS_ENUMERROR_NoCompatibleInterfaceFound;
+ }
+
+ RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
+
+ NotificationEndpoint = NULL;
+ }
+
+ continue;
+ }
+
+ USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
+
+ if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
+ {
+ if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
+ NotificationEndpoint = EndpointData;
+ else
+ DataINEndpoint = EndpointData;
+ }
+ else
+ {
+ DataOUTEndpoint = EndpointData;
+ }
+ }
+
+ for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++)
+ {
+ uint16_t Size;
+ uint8_t Type;
+ uint8_t Token;
+ uint8_t EndpointAddress;
+ uint8_t InterruptPeriod;
+ bool DoubleBanked;
+
+ if (PipeNum == RNDISInterfaceInfo->Config.DataINPipeNumber)
+ {
+ Size = le16_to_cpu(DataINEndpoint->EndpointSize);
+ EndpointAddress = DataINEndpoint->EndpointAddress;
+ Token = PIPE_TOKEN_IN;
+ Type = EP_TYPE_BULK;
+ DoubleBanked = RNDISInterfaceInfo->Config.DataINPipeDoubleBank;
+ InterruptPeriod = 0;
+
+ RNDISInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
+ }
+ else if (PipeNum == RNDISInterfaceInfo->Config.DataOUTPipeNumber)
+ {
+ Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
+ EndpointAddress = DataOUTEndpoint->EndpointAddress;
+ Token = PIPE_TOKEN_OUT;
+ Type = EP_TYPE_BULK;
+ DoubleBanked = RNDISInterfaceInfo->Config.DataOUTPipeDoubleBank;
+ InterruptPeriod = 0;
+
+ RNDISInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
+ }
+ else if (PipeNum == RNDISInterfaceInfo->Config.NotificationPipeNumber)
+ {
+ Size = le16_to_cpu(NotificationEndpoint->EndpointSize);
+ EndpointAddress = NotificationEndpoint->EndpointAddress;
+ Token = PIPE_TOKEN_IN;
+ Type = EP_TYPE_INTERRUPT;
+ DoubleBanked = RNDISInterfaceInfo->Config.NotificationPipeDoubleBank;
+ InterruptPeriod = NotificationEndpoint->PollingIntervalMS;
+
+ RNDISInterfaceInfo->State.NotificationPipeSize = NotificationEndpoint->EndpointSize;
+ }
+ else
+ {
+ continue;
+ }
+
+ if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size,
+ DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE)))
+ {
+ return CDC_ENUMERROR_PipeConfigurationFailed;
+ }
+
+ if (InterruptPeriod)
+ Pipe_SetInterruptPeriod(InterruptPeriod);
+ }
+
+ RNDISInterfaceInfo->State.ControlInterfaceNumber = RNDISControlInterface->InterfaceNumber;
+ RNDISInterfaceInfo->State.IsActive = true;
+
+ return RNDIS_ENUMERROR_NoError;
+}
+
+static uint8_t DCOMP_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDescriptor)
+{
+ USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+ if (Header->Type == DTYPE_Interface)
+ {
+ USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
+ if ((Interface->Class == CDC_CSCP_CDCClass) &&
+ (Interface->SubClass == CDC_CSCP_ACMSubclass) &&
+ (Interface->Protocol == CDC_CSCP_VendorSpecificProtocol))
+ {
+ return DESCRIPTOR_SEARCH_Found;
+ }
+ }
+
+ return DESCRIPTOR_SEARCH_NotFound;
+}
+
+static uint8_t DCOMP_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescriptor)
+{
+ USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+ if (Header->Type == DTYPE_Interface)
+ {
+ USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor,
+ USB_Descriptor_Interface_t);
+
+ if ((Interface->Class == CDC_CSCP_CDCDataClass) &&
+ (Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
+ (Interface->Protocol == CDC_CSCP_NoDataProtocol))
+ {
+ return DESCRIPTOR_SEARCH_Found;
+ }
+ }
+
+ return DESCRIPTOR_SEARCH_NotFound;
+}
+
+static uint8_t DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDescriptor)
+{
+ USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+ if (Header->Type == DTYPE_Endpoint)
+ {
+ USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
+
+ uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
+
+ if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
+ !(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
+ {
+ return DESCRIPTOR_SEARCH_Found;
+ }
+ }
+ else if (Header->Type == DTYPE_Interface)
+ {
+ return DESCRIPTOR_SEARCH_Fail;
+ }
+
+ return DESCRIPTOR_SEARCH_NotFound;
+}
+
+static uint8_t RNDIS_SendEncapsulatedCommand(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
+ void* Buffer,
+ const uint16_t Length)
+{
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = RNDIS_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,
+ const uint16_t Length)
+{
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = RNDIS_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 = CPU_TO_LE32(REMOTE_NDIS_KEEPALIVE_MSG);
+ KeepAliveMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_KeepAlive_Message_t));
+ KeepAliveMessage.RequestId = cpu_to_le32(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 = CPU_TO_LE32(REMOTE_NDIS_INITIALIZE_MSG);
+ InitMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Initialize_Message_t));
+ InitMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++);
+
+ InitMessage.MajorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MAJOR);
+ InitMessage.MinorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MINOR);
+ InitMessage.MaxTransferSize = cpu_to_le32(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 != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS))
+ return RNDIS_ERROR_LOGICAL_CMD_FAILED;
+
+ RNDISInterfaceInfo->State.DeviceMaxPacketSize = le32_to_cpu(InitMessageResponse.MaxTransferSize);
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+uint8_t RNDIS_Host_SetRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
+ const uint32_t Oid,
+ void* Buffer,
+ const uint16_t Length)
+{
+ uint8_t ErrorCode;
+
+ struct
+ {
+ RNDIS_Set_Message_t SetMessage;
+ uint8_t ContiguousBuffer[Length];
+ } SetMessageData;
+
+ RNDIS_Set_Complete_t SetMessageResponse;
+
+ SetMessageData.SetMessage.MessageType = CPU_TO_LE32(REMOTE_NDIS_SET_MSG);
+ SetMessageData.SetMessage.MessageLength = cpu_to_le32(sizeof(RNDIS_Set_Message_t) + Length);
+ SetMessageData.SetMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++);
+
+ SetMessageData.SetMessage.Oid = cpu_to_le32(Oid);
+ SetMessageData.SetMessage.InformationBufferLength = cpu_to_le32(Length);
+ SetMessageData.SetMessage.InformationBufferOffset = CPU_TO_LE32(sizeof(RNDIS_Set_Message_t) - sizeof(RNDIS_Message_Header_t));
+ SetMessageData.SetMessage.DeviceVcHandle = CPU_TO_LE32(0);
+
+ memcpy(&SetMessageData.ContiguousBuffer, 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 != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS))
+ return RNDIS_ERROR_LOGICAL_CMD_FAILED;
+
+ return HOST_SENDCONTROL_Successful;
+}
+
+uint8_t RNDIS_Host_QueryRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
+ const uint32_t Oid,
+ void* Buffer,
+ const uint16_t MaxLength)
+{
+ uint8_t ErrorCode;
+
+ RNDIS_Query_Message_t QueryMessage;
+
+ struct
+ {
+ RNDIS_Query_Complete_t QueryMessageResponse;
+ uint8_t ContiguousBuffer[MaxLength];
+ } QueryMessageResponseData;
+
+ QueryMessage.MessageType = CPU_TO_LE32(REMOTE_NDIS_QUERY_MSG);
+ QueryMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Query_Message_t));
+ QueryMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++);
+
+ QueryMessage.Oid = cpu_to_le32(Oid);
+ QueryMessage.InformationBufferLength = CPU_TO_LE32(0);
+ QueryMessage.InformationBufferOffset = CPU_TO_LE32(0);
+ QueryMessage.DeviceVcHandle = CPU_TO_LE32(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 != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS))
+ return RNDIS_ERROR_LOGICAL_CMD_FAILED;
+
+ memcpy(Buffer, &QueryMessageResponseData.ContiguousBuffer, 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_Unfreeze();
+ PacketWaiting = Pipe_IsINReceived();
+ Pipe_Freeze();
+
+ return PacketWaiting;
+}
+
+uint8_t RNDIS_Host_ReadPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
+ void* Buffer,
+ uint16_t* const PacketLength)
+{
+ uint8_t ErrorCode;
+
+ if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive))
+ return PIPE_READYWAIT_DeviceDisconnected;
+
+ Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber);
+ 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),
+ NULL)) != PIPE_RWSTREAM_NoError)
+ {
+ return ErrorCode;
+ }
+
+ *PacketLength = (uint16_t)le32_to_cpu(DeviceMessage.DataLength);
+
+ Pipe_Discard_Stream(DeviceMessage.DataOffset -
+ (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)),
+ NULL);
+
+ Pipe_Read_Stream_LE(Buffer, *PacketLength, NULL);
+
+ 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,
+ const 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 = CPU_TO_LE32(REMOTE_NDIS_PACKET_MSG);
+ DeviceMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) + PacketLength);
+ DeviceMessage.DataOffset = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t));
+ DeviceMessage.DataLength = cpu_to_le32(PacketLength);
+
+ Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber);
+ Pipe_Unfreeze();
+
+ if ((ErrorCode = Pipe_Write_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t),
+ NULL)) != PIPE_RWSTREAM_NoError)
+ {
+ return ErrorCode;
+ }
+
+ Pipe_Write_Stream_LE(Buffer, PacketLength, NULL);
+ Pipe_ClearOUT();
+
+ Pipe_Freeze();
+
+ return PIPE_RWSTREAM_NoError;
+}
+
+#endif
+
projects / pub / lufa.git / blobdiff