05ac59d0ee
Renamed internal Host mode Class driver descriptor comparator callback routines so that they all start with a uniform DCOMP_{Class Abbreviation}_ prefix.
467 lines
16 KiB
C
467 lines
16 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#define __INCLUDE_FROM_USB_DRIVER
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#include "../../HighLevel/USBMode.h"
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#if defined(USB_CAN_BE_HOST)
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#define __INCLUDE_FROM_RNDIS_CLASS_HOST_C
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#define __INCLUDE_FROM_RNDIS_DRIVER
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#include "RNDIS.h"
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uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint16_t ConfigDescriptorSize,
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void* ConfigDescriptorData)
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{
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uint8_t FoundEndpoints = 0;
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memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State));
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if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
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return RNDIS_ENUMERROR_InvalidConfigDescriptor;
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DCOMP_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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return RNDIS_ENUMERROR_NoRNDISInterfaceFound;
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}
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RNDISInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;
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while (FoundEndpoints != (RNDIS_FOUND_NOTIFICATION_IN | RNDIS_FOUND_DATAPIPE_IN | RNDIS_FOUND_DATAPIPE_OUT))
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{
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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if (FoundEndpoints & RNDIS_FOUND_NOTIFICATION_IN)
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{
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DCOMP_RNDIS_Host_NextRNDISDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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return RNDIS_ENUMERROR_NoRNDISInterfaceFound;
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}
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}
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else
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{
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FoundEndpoints = 0;
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber);
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Pipe_DisablePipe();
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber);
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Pipe_DisablePipe();
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.NotificationPipeNumber);
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Pipe_DisablePipe();
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DCOMP_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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return RNDIS_ENUMERROR_NoRNDISInterfaceFound;
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}
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}
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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return RNDIS_ENUMERROR_EndpointsNotFound;
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}
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}
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USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
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if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
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{
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if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
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{
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Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
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EndpointData->EndpointAddress, EndpointData->EndpointSize,
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RNDISInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
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RNDISInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize;
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Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
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FoundEndpoints |= RNDIS_FOUND_NOTIFICATION_IN;
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}
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}
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else
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{
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if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
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{
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Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
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EndpointData->EndpointAddress, EndpointData->EndpointSize,
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RNDISInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
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RNDISInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
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FoundEndpoints |= RNDIS_FOUND_DATAPIPE_IN;
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}
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else
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{
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Pipe_ConfigurePipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
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EndpointData->EndpointAddress, EndpointData->EndpointSize,
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RNDISInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
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RNDISInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
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FoundEndpoints |= RNDIS_FOUND_DATAPIPE_OUT;
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}
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}
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}
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RNDISInterfaceInfo->State.IsActive = true;
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return RNDIS_ENUMERROR_NoError;
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}
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static uint8_t DCOMP_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDescriptor)
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{
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
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{
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USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
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USB_Descriptor_Interface_t);
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if ((CurrentInterface->Class == RNDIS_CONTROL_CLASS) &&
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(CurrentInterface->SubClass == RNDIS_CONTROL_SUBCLASS) &&
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(CurrentInterface->Protocol == RNDIS_CONTROL_PROTOCOL))
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{
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return DESCRIPTOR_SEARCH_Found;
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}
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}
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return DESCRIPTOR_SEARCH_NotFound;
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}
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static uint8_t DCOMP_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescriptor)
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{
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
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{
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USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
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USB_Descriptor_Interface_t);
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if ((CurrentInterface->Class == RNDIS_DATA_CLASS) &&
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(CurrentInterface->SubClass == RNDIS_DATA_SUBCLASS) &&
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(CurrentInterface->Protocol == RNDIS_DATA_PROTOCOL))
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{
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return DESCRIPTOR_SEARCH_Found;
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}
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}
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return DESCRIPTOR_SEARCH_NotFound;
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}
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static uint8_t DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDescriptor)
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{
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
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{
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USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
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USB_Descriptor_Endpoint_t);
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uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
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if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
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!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
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{
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return DESCRIPTOR_SEARCH_Found;
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}
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}
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else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
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{
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return DESCRIPTOR_SEARCH_Fail;
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}
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return DESCRIPTOR_SEARCH_NotFound;
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}
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static uint8_t RNDIS_SendEncapsulatedCommand(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
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void* Buffer, uint16_t Length)
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{
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
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.bRequest = REQ_SendEncapsulatedCommand,
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.wValue = 0,
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.wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber,
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.wLength = Length,
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};
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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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return USB_Host_SendControlRequest(Buffer);
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}
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static uint8_t RNDIS_GetEncapsulatedResponse(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
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void* Buffer, uint16_t Length)
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{
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
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.bRequest = REQ_GetEncapsulatedResponse,
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.wValue = 0,
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.wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber,
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.wLength = Length,
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};
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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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return USB_Host_SendControlRequest(Buffer);
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}
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uint8_t RNDIS_Host_SendKeepAlive(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
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{
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uint8_t ErrorCode;
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RNDIS_KeepAlive_Message_t KeepAliveMessage;
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RNDIS_KeepAlive_Complete_t KeepAliveMessageResponse;
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KeepAliveMessage.MessageType = REMOTE_NDIS_KEEPALIVE_MSG;
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KeepAliveMessage.MessageLength = sizeof(RNDIS_KeepAlive_Message_t);
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KeepAliveMessage.RequestId = RNDISInterfaceInfo->State.RequestID++;
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if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &KeepAliveMessage,
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sizeof(RNDIS_KeepAlive_Message_t))) != HOST_SENDCONTROL_Successful)
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{
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return ErrorCode;
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}
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if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &KeepAliveMessageResponse,
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sizeof(RNDIS_KeepAlive_Complete_t))) != HOST_SENDCONTROL_Successful)
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{
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return ErrorCode;
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}
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return HOST_SENDCONTROL_Successful;
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}
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uint8_t RNDIS_Host_InitializeDevice(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
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{
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uint8_t ErrorCode;
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RNDIS_Initialize_Message_t InitMessage;
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RNDIS_Initialize_Complete_t InitMessageResponse;
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InitMessage.MessageType = REMOTE_NDIS_INITIALIZE_MSG;
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InitMessage.MessageLength = sizeof(RNDIS_Initialize_Message_t);
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InitMessage.RequestId = RNDISInterfaceInfo->State.RequestID++;
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InitMessage.MajorVersion = REMOTE_NDIS_VERSION_MAJOR;
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InitMessage.MinorVersion = REMOTE_NDIS_VERSION_MINOR;
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InitMessage.MaxTransferSize = RNDISInterfaceInfo->Config.HostMaxPacketSize;
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if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &InitMessage,
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sizeof(RNDIS_Initialize_Message_t))) != HOST_SENDCONTROL_Successful)
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{
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return ErrorCode;
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}
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if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &InitMessageResponse,
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sizeof(RNDIS_Initialize_Complete_t))) != HOST_SENDCONTROL_Successful)
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{
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return ErrorCode;
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}
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if (InitMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
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return RNDIS_COMMAND_FAILED;
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RNDISInterfaceInfo->State.DeviceMaxPacketSize = InitMessageResponse.MaxTransferSize;
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return HOST_SENDCONTROL_Successful;
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}
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uint8_t RNDIS_Host_SetRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint32_t Oid, void* Buffer, uint16_t Length)
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{
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uint8_t ErrorCode;
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struct
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{
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RNDIS_Set_Message_t SetMessage;
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uint8_t ContigiousBuffer[Length];
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} SetMessageData;
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RNDIS_Set_Complete_t SetMessageResponse;
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SetMessageData.SetMessage.MessageType = REMOTE_NDIS_SET_MSG;
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SetMessageData.SetMessage.MessageLength = sizeof(RNDIS_Set_Message_t) + Length;
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SetMessageData.SetMessage.RequestId = RNDISInterfaceInfo->State.RequestID++;
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SetMessageData.SetMessage.Oid = Oid;
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SetMessageData.SetMessage.InformationBufferLength = Length;
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SetMessageData.SetMessage.InformationBufferOffset = (sizeof(RNDIS_Set_Message_t) - sizeof(RNDIS_Message_Header_t));
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SetMessageData.SetMessage.DeviceVcHandle = 0;
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memcpy(&SetMessageData.ContigiousBuffer, Buffer, Length);
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if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &SetMessageData,
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SetMessageData.SetMessage.MessageLength)) != HOST_SENDCONTROL_Successful)
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{
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return ErrorCode;
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}
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if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &SetMessageResponse,
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sizeof(RNDIS_Set_Complete_t))) != HOST_SENDCONTROL_Successful)
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{
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return ErrorCode;
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}
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if (SetMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
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return RNDIS_COMMAND_FAILED;
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return HOST_SENDCONTROL_Successful;
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}
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uint8_t RNDIS_Host_QueryRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, uint32_t Oid, void* Buffer, uint16_t MaxLength)
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{
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uint8_t ErrorCode;
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RNDIS_Query_Message_t QueryMessage;
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struct
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{
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RNDIS_Query_Complete_t QueryMessageResponse;
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uint8_t ContigiousBuffer[MaxLength];
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} QueryMessageResponseData;
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QueryMessage.MessageType = REMOTE_NDIS_QUERY_MSG;
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QueryMessage.MessageLength = sizeof(RNDIS_Query_Message_t);
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QueryMessage.RequestId = RNDISInterfaceInfo->State.RequestID++;
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QueryMessage.Oid = Oid;
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QueryMessage.InformationBufferLength = 0;
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QueryMessage.InformationBufferOffset = 0;
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QueryMessage.DeviceVcHandle = 0;
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if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &QueryMessage,
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sizeof(RNDIS_Query_Message_t))) != HOST_SENDCONTROL_Successful)
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{
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return ErrorCode;
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}
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if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &QueryMessageResponseData,
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sizeof(QueryMessageResponseData))) != HOST_SENDCONTROL_Successful)
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{
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return ErrorCode;
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}
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if (QueryMessageResponseData.QueryMessageResponse.Status != REMOTE_NDIS_STATUS_SUCCESS)
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return RNDIS_COMMAND_FAILED;
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memcpy(Buffer, &QueryMessageResponseData.ContigiousBuffer, MaxLength);
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return HOST_SENDCONTROL_Successful;
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}
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bool RNDIS_Host_IsPacketReceived(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
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{
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bool PacketWaiting;
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if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive))
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return false;
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber);
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Pipe_SetPipeToken(PIPE_TOKEN_IN);
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Pipe_Unfreeze();
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PacketWaiting = Pipe_IsINReceived();
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Pipe_Freeze();
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return PacketWaiting;
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}
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uint8_t RNDIS_Host_ReadPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, void* Buffer, uint16_t* PacketLength)
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{
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uint8_t ErrorCode;
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if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive))
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return PIPE_READYWAIT_DeviceDisconnected;
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipeNumber);
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Pipe_SetPipeToken(PIPE_TOKEN_IN);
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Pipe_Unfreeze();
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if (!(Pipe_IsReadWriteAllowed()))
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{
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if (Pipe_IsINReceived())
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Pipe_ClearIN();
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*PacketLength = 0;
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Pipe_Freeze();
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return PIPE_RWSTREAM_NoError;
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}
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RNDIS_Packet_Message_t DeviceMessage;
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if ((ErrorCode = Pipe_Read_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t),
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NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
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{
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return ErrorCode;
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}
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*PacketLength = (uint16_t)DeviceMessage.DataLength;
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Pipe_Discard_Stream(DeviceMessage.DataOffset - (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)),
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NO_STREAM_CALLBACK);
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Pipe_Read_Stream_LE(Buffer, *PacketLength, NO_STREAM_CALLBACK);
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if (!(Pipe_BytesInPipe()))
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Pipe_ClearIN();
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Pipe_Freeze();
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return PIPE_RWSTREAM_NoError;
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}
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uint8_t RNDIS_Host_SendPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo, void* Buffer, uint16_t PacketLength)
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{
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uint8_t ErrorCode;
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if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive))
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return PIPE_READYWAIT_DeviceDisconnected;
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RNDIS_Packet_Message_t DeviceMessage;
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memset(&DeviceMessage, 0, sizeof(RNDIS_Packet_Message_t));
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DeviceMessage.MessageType = REMOTE_NDIS_PACKET_MSG;
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DeviceMessage.MessageLength = (sizeof(RNDIS_Packet_Message_t) + PacketLength);
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DeviceMessage.DataOffset = (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t));
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DeviceMessage.DataLength = PacketLength;
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Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipeNumber);
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Pipe_Unfreeze();
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if ((ErrorCode = Pipe_Write_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t),
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NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
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{
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return ErrorCode;
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}
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Pipe_Write_Stream_LE(Buffer, PacketLength, NO_STREAM_CALLBACK);
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Pipe_ClearOUT();
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Pipe_Freeze();
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return PIPE_RWSTREAM_NoError;
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}
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#endif
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