More endianness porting of the LUFA device mode class drivers.

Add endianness information to the class driver and core structure definitions.

Move out the unused Ethernet_Frame_Info_t structure definition to the RNDIS device demos where it is needed.

Demos/Device/ClassDriver/RNDISEthernet/Lib/Ethernet.c

@@ -59,7 +59,7 @@ const IP_Address_t  ClientIPAddress     = {CLIENT_IP_ADDRESS};
 void Ethernet_ProcessPacket(Ethernet_Frame_Info_t* const FrameIN,
                             Ethernet_Frame_Info_t* const FrameOUT)
 {
-	DecodeEthernetFrameHeader(FrameIN);
+	DecodeEthernetFrameHeader(FrameIN->FrameData);
 
 	/* Cast the incoming Ethernet frame to the Ethernet header type */
 	Ethernet_Frame_Header_t* FrameINHeader  = (Ethernet_Frame_Header_t*)&FrameIN->FrameData;

Demos/Device/ClassDriver/RNDISEthernet/Lib/EthernetProtocols.h

@@ -37,6 +37,9 @@
 #ifndef _ETHERNET_PROTOCOLS_H_
 #define _ETHERNET_PROTOCOLS_H_
 
+	/* Includes: */
+		#include <LUFA/Drivers/USB/Class/RNDIS.h>
+
 	/* Macros: */
 		#define ETHERTYPE_IPV4                   0x0800
 		#define ETHERTYPE_ARP                    0x0806
@@ -72,6 +75,13 @@
 		#define PROTOCOL_SCTP                    132
 
 	/* Type Defines: */
+		/** Type define for an Ethernet frame buffer data and information structure. */
+		typedef struct
+		{
+			uint8_t  FrameData[ETHERNET_FRAME_SIZE_MAX]; /**< Ethernet frame contents. */
+			uint16_t FrameLength; /**< Length in bytes of the Ethernet frame stored in the buffer. */
+		} Ethernet_Frame_Info_t;
+
 		/** Type define for a protocol IP address of a device on a network. */
 		typedef struct
 		{

Demos/Device/ClassDriver/RNDISEthernet/Lib/ProtocolDecoders.c

@@ -51,12 +51,12 @@
 
 /** Decodes an Ethernet frame header and prints its contents to through the USART in a human readable format.
  *
- *  \param[in] FrameINData  Pointer to the start of an Ethernet frame information structure
+ *  \param[in] FrameINData  Pointer to the start of an Ethernet frame data
  */
-void DecodeEthernetFrameHeader(Ethernet_Frame_Info_t* const FrameINData)
+void DecodeEthernetFrameHeader(void* InDataStart)
 {
 	#if !defined(NO_DECODE_ETHERNET)
-	Ethernet_Frame_Header_t* FrameHeader = (Ethernet_Frame_Header_t*)FrameINData->FrameData;
+	Ethernet_Frame_Header_t* FrameHeader = (Ethernet_Frame_Header_t*)InDataStart;
 
 	printf_P(PSTR("\r\n"));
 
@@ -84,10 +84,7 @@ void DecodeEthernetFrameHeader(Ethernet_Frame_Info_t* const FrameINData)
 	                                                                     FrameHeader->Destination.Octets[4],
 	                                                                     FrameHeader->Destination.Octets[5]);
 
-	if (SwapEndian_16(FrameINData->FrameLength) > ETHERNET_VER2_MINSIZE)
 	printf_P(PSTR("  + Protocol: 0x%04x\r\n"), SwapEndian_16(FrameHeader->EtherType));
-	else
-	  printf_P(PSTR("  + Protocol: UNKNOWN E1\r\n"));
 	#endif
 }
 

Demos/Device/ClassDriver/RNDISEthernet/Lib/ProtocolDecoders.h

@@ -47,7 +47,7 @@
 		#include "Ethernet.h"
 
 	/* Function Prototypes: */
-		void DecodeEthernetFrameHeader(Ethernet_Frame_Info_t* const FrameINData);
+		void DecodeEthernetFrameHeader(void* InDataStart);
 		void DecodeARPHeader(void* InDataStart);
 		void DecodeIPHeader(void* InDataStart);
 		void DecodeICMPHeader(void* InDataStart);

Demos/Device/LowLevel/RNDISEthernet/Lib/Ethernet.h

@@ -81,6 +81,13 @@
 		#define NO_PROCESS                       -1
 
 	/* Type Defines: */
+		/** Type define for an Ethernet frame buffer data and information structure. */
+		typedef struct
+		{
+			uint8_t  FrameData[ETHERNET_FRAME_SIZE_MAX]; /**< Ethernet frame contents. */
+			uint16_t FrameLength; /**< Length in bytes of the Ethernet frame stored in the buffer. */
+		} Ethernet_Frame_Info_t;
+
 		/** Type define for an Ethernet frame header. */
 		typedef struct
 		{

Demos/Device/LowLevel/RNDISEthernet/Lib/ProtocolDecoders.c

@@ -84,10 +84,7 @@ void DecodeEthernetFrameHeader(void* InDataStart)
 	                                                                     FrameHeader->Destination.Octets[4],
 	                                                                     FrameHeader->Destination.Octets[5]);
 
-	if (SwapEndian_16(FrameIN.FrameLength) > ETHERNET_VER2_MINSIZE)
 	printf_P(PSTR("  + Protocol: 0x%04x\r\n"), SwapEndian_16(FrameHeader->EtherType));
-	else
-	  printf_P(PSTR("  + Protocol: UNKNOWN E1\r\n"));
 	#endif
 }
 

LUFA/Drivers/USB/Class/Common/Audio.h

@@ -305,6 +305,8 @@
 		 *  a USB endpoint). See the USB Audio specification for more details.
 		 *
 		 *  \see \ref USB_Audio_StdDescriptor_InputTerminal_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -333,6 +335,8 @@
 		 *
 		 *  \see \ref USB_Audio_Descriptor_InputTerminal_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -363,6 +367,8 @@
 		 *  a USB endpoint). See the USB Audio specification for more details.
 		 *
 		 *  \see \ref USB_Audio_StdDescriptor_OutputTerminal_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -389,6 +395,8 @@
 		 *
 		 *  \see \ref USB_Audio_Descriptor_OutputTerminal_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -417,6 +425,8 @@
 		 *  details.
 		 *
 		 *  \see \ref USB_Audio_StdDescriptor_Interface_AC_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -440,6 +450,8 @@
 		 *
 		 *  \see \ref USB_Audio_Descriptor_Interface_AC_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -466,6 +478,8 @@
 		 *  specification for more details.
 		 *
 		 *  \see \ref USB_Audio_StdDescriptor_FeatureUnit_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -491,6 +505,8 @@
 		 *
 		 *  \see \ref USB_Audio_Descriptor_FeatureUnit_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -518,6 +534,8 @@
 		 *  how audio streams within the device are formatted. See the USB Audio specification for more details.
 		 *
 		 *  \see \ref USB_Audio_StdDescriptor_Interface_AS_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -539,6 +557,8 @@
 		 *
 		 *  \see \ref USB_Audio_Descriptor_Interface_AS_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -567,6 +587,8 @@
 		 *        the continuous or discrete sample frequencies.
 		 *
 		 *  \see \ref USB_Audio_StdDescriptor_Format_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -592,6 +614,8 @@
 		 *
 		 *  Type define for a 24bit audio sample frequency structure. As GCC does not contain a built in 24-bit datatype,
 		 *  this this structure is used to build up the value instead. Fill this structure with the \ref AUDIO_SAMPLE_FREQ() macro.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -611,6 +635,8 @@
 		 *
 		 *  \see \ref USB_Audio_Descriptor_Format_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -642,6 +668,8 @@
 		 *  descriptor with a few Audio-class-specific extensions. See the USB Audio specification for more details.
 		 *
 		 *  \see \ref USB_Audio_StdDescriptor_StreamEndpoint_Std_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -658,6 +686,8 @@
 		 *
 		 *  \see \ref USB_Audio_Descriptor_StreamEndpoint_Std_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -689,6 +719,8 @@
 		 *  class-specific extended endpoint descriptor. See the USB Audio specification for more details.
 		 *
 		 *  \see \ref USB_Audio_StdDescriptor_StreamEndpoint_Spc_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -711,6 +743,8 @@
 		 *
 		 *  \see \ref USB_Audio_Descriptor_StreamEndpoint_Spc_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{

LUFA/Drivers/USB/Class/Common/CDC.h

@@ -231,6 +231,8 @@
 		 *  See the CDC class specification for more details.
 		 *
 		 *  \see \ref USB_CDC_StdDescriptor_FunctionalHeader_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -251,6 +253,8 @@
 		 *
 		 *  \see \ref USB_CDC_Descriptor_FunctionalHeader_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -270,6 +274,8 @@
 		 *  supports the CDC ACM subclass of the CDC specification. See the CDC class specification for more details.
 		 *
 		 *  \see \ref USB_CDC_StdDescriptor_FunctionalACM_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -290,6 +296,8 @@
 		 *
 		 *  \see \ref USB_CDC_Descriptor_FunctionalACM_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -312,6 +320,8 @@
 		 *  CDC control and data interfaces are related. See the CDC class specification for more details.
 		 *
 		 *  \see \ref USB_CDC_StdDescriptor_FunctionalUnion_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -330,6 +340,8 @@
 		 *
 		 *  \see \ref USB_CDC_Descriptor_FunctionalUnion_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -348,6 +360,8 @@
 		 *
 		 *  Type define for a CDC Line Encoding structure, used to hold the various encoding parameters for a virtual
 		 *  serial port.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{

LUFA/Drivers/USB/Class/Common/HID.h

@@ -574,6 +574,8 @@
 		 *  specification for details on the structure elements.
 		 *
 		 *  \see \ref USB_HID_StdDescriptor_HID_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -595,6 +597,8 @@
 		 *
 		 *  \see \ref USB_HID_Descriptor_HID_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{

LUFA/Drivers/USB/Class/Common/MIDI.h

@@ -103,6 +103,8 @@
 		 *  See the USB Audio specification for more details.
 		 *
 		 *  \see \ref USB_MIDI_StdDescriptor_AudioInterface_AS_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -123,6 +125,8 @@
 		 *
 		 *  \see \ref USB_MIDI_Descriptor_AudioInterface_AS_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -143,6 +147,8 @@
 		 *  a physical input jack, or a logical jack (receiving input data internally, or from the host via an endpoint).
 		 *
 		 *  \see \ref USB_MIDI_StdDescriptor_InputJack_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -162,6 +168,8 @@
 		 *
 		 *  \see \ref USB_MIDI_Descriptor_InputJack_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -184,6 +192,8 @@
 		 *  a physical output jack, or a logical jack (sending output data internally, or to the host via an endpoint).
 		 *
 		 *  \see \ref USB_MIDI_StdDescriptor_OutputJack_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -207,6 +217,8 @@
 		 *
 		 *  \see \ref USB_MIDI_Descriptor_OutputJack_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -234,6 +246,8 @@
 		 *  class-specific extended MIDI endpoint descriptor. See the USB Audio specification for more details.
 		 *
 		 *  \see \ref USB_MIDI_StdDescriptor_Jack_Endpoint_t for the version of this type with standard element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -252,6 +266,8 @@
 		 *
 		 *  \see \ref USB_MIDI_Descriptor_Jack_Endpoint_t for the version of this type with non-standard LUFA specific
 		 *       element names.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -269,6 +285,8 @@
 		/** \brief MIDI Class Driver Event Packet.
 		 *
 		 *  Type define for a USB MIDI event packet, used to encapsulate sent and received MIDI messages from a USB MIDI interface.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{

LUFA/Drivers/USB/Class/Common/MassStorage.h

@@ -256,7 +256,10 @@
 	/* Type Defines: */
 		/** \brief Mass Storage Class Command Block Wrapper.
 		 *
-		 *  Type define for a Command Block Wrapper, used in the Mass Storage Bulk-Only Transport protocol. */
+		 *  Type define for a Command Block Wrapper, used in the Mass Storage Bulk-Only Transport protocol.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
+		 */
 		typedef struct
 		{
 			uint32_t Signature; /**< Command block signature, must be \ref MS_CBW_SIGNATURE to indicate a valid Command Block. */
@@ -271,6 +274,8 @@
 		/** \brief Mass Storage Class Command Status Wrapper.
 		 *
 		 *  Type define for a Command Status Wrapper, used in the Mass Storage Bulk-Only Transport protocol.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{

LUFA/Drivers/USB/Class/Common/RNDIS.h

@@ -208,17 +208,6 @@
 		};
 
 	/* Type Defines: */
-		/** \brief Ethernet Frame Packet Information Structure.
-		 *
-		 *  Type define for an Ethernet frame buffer data and information structure. This can be used to conveniently
-		 *  store both the size and data in an Ethernet frame.
-		 */
-		typedef struct
-		{
-			uint8_t  FrameData[ETHERNET_FRAME_SIZE_MAX]; /**< Ethernet frame contents. */
-			uint16_t FrameLength; /**< Length in bytes of the Ethernet frame stored in the buffer. */
-		} Ethernet_Frame_Info_t;
-
 		/** \brief MAC Address Structure.
 		 *
 		 *  Type define for a physical MAC address of a device on a network.
@@ -231,6 +220,8 @@
 		/** \brief RNDIS Common Message Header Structure.
 		 *
 		 *  Type define for a RNDIS message header, sent before RNDIS messages.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -241,6 +232,8 @@
 		/** \brief RNDIS Message Structure.
 		 *
 		 *  Type define for a RNDIS packet message, used to encapsulate Ethernet packets sent to and from the adapter.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -260,6 +253,8 @@
 		/** \brief RNDIS Initialization Message Structure.
 		 *
 		 *  Type define for a RNDIS Initialize command message.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -275,6 +270,8 @@
 		/** \brief RNDIS Initialize Complete Message Structure.
 		 *
 		 *  Type define for a RNDIS Initialize Complete response message.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -297,6 +294,8 @@
 		/** \brief RNDIS Keep Alive Message Structure.
 		 *
 		 *  Type define for a RNDIS Keep Alive command message.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -308,6 +307,8 @@
 		/** \brief RNDIS Keep Alive Complete Message Structure.
 		 *
 		 *  Type define for a RNDIS Keep Alive Complete response message.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -320,6 +321,8 @@
 		/** \brief RNDIS Reset Complete Message Structure.
 		 *
 		 *  Type define for a RNDIS Reset Complete response message.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -333,6 +336,8 @@
 		/** \brief RNDIS OID Property Set Message Structure.
 		 *
 		 *  Type define for a RNDIS OID Property Set command message.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -349,6 +354,8 @@
 		/** \brief RNDIS OID Property Set Complete Message Structure.
 		 *
 		 *  Type define for a RNDIS OID Property Set Complete response message.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -361,6 +368,8 @@
 		/** \brief RNDIS OID Property Query Message Structure.
 		 *
 		 *  Type define for a RNDIS OID Property Query command message.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{
@@ -377,6 +386,8 @@
 		/** \brief RNDIS OID Property Query Complete Message Structure.
 		 *
 		 *  Type define for a RNDIS OID Property Query Complete response message.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{

LUFA/Drivers/USB/Class/Common/StillImage.h

@@ -138,6 +138,8 @@
 		 *
 		 *  Type define for a PIMA container, use to send commands and receive responses to and from an
 		 *  attached Still Image device.
+		 *
+		 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 		 */
 		typedef struct
 		{

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

@@ -276,9 +276,9 @@ void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDC
 		{
 			.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
 			.bRequest      = CDC_NOTIF_SerialState,
-			.wValue        = 0,
+			.wValue        = CPU_TO_LE16(0),
-			.wIndex        = 0,
+			.wIndex        = CPU_TO_LE16(0),
-			.wLength       = sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),
+			.wLength       = CPU_TO_LE16(sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost)),
 		};
 
 	Endpoint_Write_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NULL);

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

@@ -124,17 +124,15 @@ void MS_Device_USBTask(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
 			if (MSInterfaceInfo->State.CommandBlock.Flags & MS_COMMAND_DIR_DATA_IN)
 			  Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataINEndpointNumber);
 
-			MSInterfaceInfo->State.CommandStatus.Status = CALLBACK_MS_Device_SCSICommandReceived(MSInterfaceInfo) ?
+			bool SCSICommandResult = CALLBACK_MS_Device_SCSICommandReceived(MSInterfaceInfo);
-			                                               MS_SCSI_COMMAND_Pass : MS_SCSI_COMMAND_Fail;
+
-			MSInterfaceInfo->State.CommandStatus.Signature           = MS_CSW_SIGNATURE;
+			MSInterfaceInfo->State.CommandStatus.Status              = (SCSICommandResult) ? MS_SCSI_COMMAND_Pass : MS_SCSI_COMMAND_Fail;
+			MSInterfaceInfo->State.CommandStatus.Signature           = CPU_TO_LE32(MS_CSW_SIGNATURE);
 			MSInterfaceInfo->State.CommandStatus.Tag                 = MSInterfaceInfo->State.CommandBlock.Tag;
 			MSInterfaceInfo->State.CommandStatus.DataTransferResidue = MSInterfaceInfo->State.CommandBlock.DataTransferLength;
 
-			if ((MSInterfaceInfo->State.CommandStatus.Status == MS_SCSI_COMMAND_Fail) &&
+			if (!(SCSICommandResult) && (le32_to_cpu(MSInterfaceInfo->State.CommandStatus.DataTransferResidue)))
-			    (MSInterfaceInfo->State.CommandStatus.DataTransferResidue))
-			{
 			  Endpoint_StallTransaction();
-			}
 
 			MS_Device_ReturnCommandStatus(MSInterfaceInfo);
 		}
@@ -167,11 +165,15 @@ static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInte
 	                               (sizeof(MS_CommandBlockWrapper_t) - 16), &BytesProcessed) ==
 	                               ENDPOINT_RWSTREAM_IncompleteTransfer)
 	{
+		#if !defined(INTERRUPT_CONTROL_ENDPOINT)
+		USB_USBTask();
+		#endif
+
 		if (MSInterfaceInfo->State.IsMassStoreReset)
 		  return false;
 	}
 
-	if ((MSInterfaceInfo->State.CommandBlock.Signature         != MS_CBW_SIGNATURE)                  ||
+	if ((MSInterfaceInfo->State.CommandBlock.Signature         != CPU_TO_LE32(MS_CBW_SIGNATURE))     ||
 	    (MSInterfaceInfo->State.CommandBlock.LUN               >= MSInterfaceInfo->Config.TotalLUNs) ||
 		(MSInterfaceInfo->State.CommandBlock.Flags              & 0x1F)                              ||
 		(MSInterfaceInfo->State.CommandBlock.SCSICommandLength == 0)                                 ||
@@ -189,6 +191,10 @@ static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInte
 	                                MSInterfaceInfo->State.CommandBlock.SCSICommandLength, &BytesProcessed) ==
 	                                ENDPOINT_RWSTREAM_IncompleteTransfer)
 	{
+		#if !defined(INTERRUPT_CONTROL_ENDPOINT)
+		USB_USBTask();
+		#endif
+
 		if (MSInterfaceInfo->State.IsMassStoreReset)
 		  return false;
 	}
@@ -229,6 +235,10 @@ static void MS_Device_ReturnCommandStatus(USB_ClassInfo_MS_Device_t* const MSInt
 	                                sizeof(MS_CommandStatusWrapper_t), &BytesProcessed) ==
 	                                ENDPOINT_RWSTREAM_IncompleteTransfer)
 	{
+		#if !defined(INTERRUPT_CONTROL_ENDPOINT)
+		USB_USBTask();
+		#endif
+
 		if (MSInterfaceInfo->State.IsMassStoreReset)
 		  return;
 	}

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

@@ -39,33 +39,33 @@
 
 static const uint32_t PROGMEM AdapterSupportedOIDList[]  =
 	{
-		OID_GEN_SUPPORTED_LIST,
+		CPU_TO_LE32(OID_GEN_SUPPORTED_LIST),
-		OID_GEN_PHYSICAL_MEDIUM,
+		CPU_TO_LE32(OID_GEN_PHYSICAL_MEDIUM),
-		OID_GEN_HARDWARE_STATUS,
+		CPU_TO_LE32(OID_GEN_HARDWARE_STATUS),
-		OID_GEN_MEDIA_SUPPORTED,
+		CPU_TO_LE32(OID_GEN_MEDIA_SUPPORTED),
-		OID_GEN_MEDIA_IN_USE,
+		CPU_TO_LE32(OID_GEN_MEDIA_IN_USE),
-		OID_GEN_MAXIMUM_FRAME_SIZE,
+		CPU_TO_LE32(OID_GEN_MAXIMUM_FRAME_SIZE),
-		OID_GEN_MAXIMUM_TOTAL_SIZE,
+		CPU_TO_LE32(OID_GEN_MAXIMUM_TOTAL_SIZE),
-		OID_GEN_LINK_SPEED,
+		CPU_TO_LE32(OID_GEN_LINK_SPEED),
-		OID_GEN_TRANSMIT_BLOCK_SIZE,
+		CPU_TO_LE32(OID_GEN_TRANSMIT_BLOCK_SIZE),
-		OID_GEN_RECEIVE_BLOCK_SIZE,
+		CPU_TO_LE32(OID_GEN_RECEIVE_BLOCK_SIZE),
-		OID_GEN_VENDOR_ID,
+		CPU_TO_LE32(OID_GEN_VENDOR_ID),
-		OID_GEN_VENDOR_DESCRIPTION,
+		CPU_TO_LE32(OID_GEN_VENDOR_DESCRIPTION),
-		OID_GEN_CURRENT_PACKET_FILTER,
+		CPU_TO_LE32(OID_GEN_CURRENT_PACKET_FILTER),
-		OID_GEN_MAXIMUM_TOTAL_SIZE,
+		CPU_TO_LE32(OID_GEN_MAXIMUM_TOTAL_SIZE),
-		OID_GEN_MEDIA_CONNECT_STATUS,
+		CPU_TO_LE32(OID_GEN_MEDIA_CONNECT_STATUS),
-		OID_GEN_XMIT_OK,
+		CPU_TO_LE32(OID_GEN_XMIT_OK),
-		OID_GEN_RCV_OK,
+		CPU_TO_LE32(OID_GEN_RCV_OK),
-		OID_GEN_XMIT_ERROR,
+		CPU_TO_LE32(OID_GEN_XMIT_ERROR),
-		OID_GEN_RCV_ERROR,
+		CPU_TO_LE32(OID_GEN_RCV_ERROR),
-		OID_GEN_RCV_NO_BUFFER,
+		CPU_TO_LE32(OID_GEN_RCV_NO_BUFFER),
-		OID_802_3_PERMANENT_ADDRESS,
+		CPU_TO_LE32(OID_802_3_PERMANENT_ADDRESS),
-		OID_802_3_CURRENT_ADDRESS,
+		CPU_TO_LE32(OID_802_3_CURRENT_ADDRESS),
-		OID_802_3_MULTICAST_LIST,
+		CPU_TO_LE32(OID_802_3_MULTICAST_LIST),
-		OID_802_3_MAXIMUM_LIST_SIZE,
+		CPU_TO_LE32(OID_802_3_MAXIMUM_LIST_SIZE),
-		OID_802_3_RCV_ERROR_ALIGNMENT,
+		CPU_TO_LE32(OID_802_3_RCV_ERROR_ALIGNMENT),
-		OID_802_3_XMIT_ONE_COLLISION,
+		CPU_TO_LE32(OID_802_3_XMIT_ONE_COLLISION),
-		OID_802_3_XMIT_MORE_COLLISIONS,
+		CPU_TO_LE32(OID_802_3_XMIT_MORE_COLLISIONS),
 	};
 
 void RNDIS_Device_ProcessControlRequest(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
@@ -97,14 +97,14 @@ void RNDIS_Device_ProcessControlRequest(USB_ClassInfo_RNDIS_Device_t* const RNDI
 				if (!(MessageHeader->MessageLength))
 				{
 					RNDISInterfaceInfo->State.RNDISMessageBuffer[0] = 0;
-					MessageHeader->MessageLength = 1;
+					MessageHeader->MessageLength                    = CPU_TO_LE32(1);
 				}
 
 				Endpoint_ClearSETUP();
-				Endpoint_Write_Control_Stream_LE(RNDISInterfaceInfo->State.RNDISMessageBuffer, MessageHeader->MessageLength);
+				Endpoint_Write_Control_Stream_LE(RNDISInterfaceInfo->State.RNDISMessageBuffer, le32_to_cpu(MessageHeader->MessageLength));
 				Endpoint_ClearOUT();
 
-				MessageHeader->MessageLength = 0;
+				MessageHeader->MessageLength = CPU_TO_LE32(0);
 			}
 
 			break;
@@ -171,9 +171,9 @@ void RNDIS_Device_USBTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo
 			{
 				.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
 				.bRequest      = RNDIS_NOTIF_ResponseAvailable,
-				.wValue        = 0,
+				.wValue        = CPU_TO_LE16(0),
-				.wIndex        = 0,
+				.wIndex        = CPU_TO_LE16(0),
-				.wLength       = 0,
+				.wLength       = CPU_TO_LE16(0),
 			};
 
 		Endpoint_Write_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NULL);
@@ -191,7 +191,7 @@ void RNDIS_Device_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_Device_t* const
 
 	RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 
-	switch (MessageHeader->MessageType)
+	switch (le32_to_cpu(MessageHeader->MessageType))
 	{
 		case REMOTE_NDIS_INITIALIZE_MSG:
 			RNDISInterfaceInfo->State.ResponseReady     = true;
@@ -201,61 +201,60 @@ void RNDIS_Device_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_Device_t* const
 			RNDIS_Initialize_Complete_t* INITIALIZE_Response =
 			               (RNDIS_Initialize_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 
-			INITIALIZE_Response->MessageType           = REMOTE_NDIS_INITIALIZE_CMPLT;
+			INITIALIZE_Response->MessageType            = CPU_TO_LE32(REMOTE_NDIS_INITIALIZE_CMPLT);
-			INITIALIZE_Response->MessageLength         = sizeof(RNDIS_Initialize_Complete_t);
+			INITIALIZE_Response->MessageLength          = CPU_TO_LE32(sizeof(RNDIS_Initialize_Complete_t));
 			INITIALIZE_Response->RequestId              = INITIALIZE_Message->RequestId;
-			INITIALIZE_Response->Status                = REMOTE_NDIS_STATUS_SUCCESS;
+			INITIALIZE_Response->Status                 = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS);
 
-			INITIALIZE_Response->MajorVersion          = REMOTE_NDIS_VERSION_MAJOR;
+			INITIALIZE_Response->MajorVersion           = CPU_TO_LE32(REMOTE_NDIS_VERSION_MAJOR);
-			INITIALIZE_Response->MinorVersion          = REMOTE_NDIS_VERSION_MINOR;
+			INITIALIZE_Response->MinorVersion           = CPU_TO_LE32(REMOTE_NDIS_VERSION_MINOR);
-			INITIALIZE_Response->DeviceFlags           = REMOTE_NDIS_DF_CONNECTIONLESS;
+			INITIALIZE_Response->DeviceFlags            = CPU_TO_LE32(REMOTE_NDIS_DF_CONNECTIONLESS);
-			INITIALIZE_Response->Medium                = REMOTE_NDIS_MEDIUM_802_3;
+			INITIALIZE_Response->Medium                 = CPU_TO_LE32(REMOTE_NDIS_MEDIUM_802_3);
-			INITIALIZE_Response->MaxPacketsPerTransfer = 1;
+			INITIALIZE_Response->MaxPacketsPerTransfer  = CPU_TO_LE32(1);
-			INITIALIZE_Response->MaxTransferSize       = (sizeof(RNDIS_Packet_Message_t) + ETHERNET_FRAME_SIZE_MAX);
+			INITIALIZE_Response->MaxTransferSize        = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) + ETHERNET_FRAME_SIZE_MAX);
-			INITIALIZE_Response->PacketAlignmentFactor = 0;
+			INITIALIZE_Response->PacketAlignmentFactor  = CPU_TO_LE32(0);
-			INITIALIZE_Response->AFListOffset          = 0;
+			INITIALIZE_Response->AFListOffset           = CPU_TO_LE32(0);
-			INITIALIZE_Response->AFListSize            = 0;
+			INITIALIZE_Response->AFListSize             = CPU_TO_LE32(0);
 
 			RNDISInterfaceInfo->State.CurrRNDISState    = RNDIS_Initialized;
-
 			break;
 		case REMOTE_NDIS_HALT_MSG:
 			RNDISInterfaceInfo->State.ResponseReady     = false;
-			MessageHeader->MessageLength = 0;
+
+			MessageHeader->MessageLength                = CPU_TO_LE32(0);
 
 			RNDISInterfaceInfo->State.CurrRNDISState    = RNDIS_Uninitialized;
-
 			break;
 		case REMOTE_NDIS_QUERY_MSG:
 			RNDISInterfaceInfo->State.ResponseReady     = true;
 
 			RNDIS_Query_Message_t*  QUERY_Message       = (RNDIS_Query_Message_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 			RNDIS_Query_Complete_t* QUERY_Response      = (RNDIS_Query_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
-			uint32_t                Query_Oid      = QUERY_Message->Oid;
+			uint32_t                Query_Oid           = CPU_TO_LE32(QUERY_Message->Oid);
 
 			void*    QueryData    = &RNDISInterfaceInfo->State.RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
-			                                                                       QUERY_Message->InformationBufferOffset];
+			                                                                      le32_to_cpu(QUERY_Message->InformationBufferOffset)];
 			void*    ResponseData = &RNDISInterfaceInfo->State.RNDISMessageBuffer[sizeof(RNDIS_Query_Complete_t)];
 			uint16_t ResponseSize;
 
-			QUERY_Response->MessageType   = REMOTE_NDIS_QUERY_CMPLT;
+			QUERY_Response->MessageType                 = CPU_TO_LE32(REMOTE_NDIS_QUERY_CMPLT);
-			QUERY_Response->MessageLength = sizeof(RNDIS_Query_Complete_t);
 			
-			if (RNDIS_Device_ProcessNDISQuery(RNDISInterfaceInfo, Query_Oid, QueryData, QUERY_Message->InformationBufferLength,
+			if (RNDIS_Device_ProcessNDISQuery(RNDISInterfaceInfo, Query_Oid, QueryData, le32_to_cpu(QUERY_Message->InformationBufferLength),
 			                                  ResponseData, &ResponseSize))
 			{
-				QUERY_Response->Status                  = REMOTE_NDIS_STATUS_SUCCESS;
+				QUERY_Response->Status                  = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS);
-				QUERY_Response->MessageLength          += ResponseSize;
+				QUERY_Response->MessageLength           = cpu_to_le32(sizeof(RNDIS_Query_Complete_t) + ResponseSize);
 
-				QUERY_Response->InformationBufferLength = ResponseSize;
+				QUERY_Response->InformationBufferLength = CPU_TO_LE32(ResponseSize);
-				QUERY_Response->InformationBufferOffset = (sizeof(RNDIS_Query_Complete_t) - sizeof(RNDIS_Message_Header_t));
+				QUERY_Response->InformationBufferOffset = CPU_TO_LE32(sizeof(RNDIS_Query_Complete_t) - sizeof(RNDIS_Message_Header_t));
 			}
 			else
 			{
-				QUERY_Response->Status                  = REMOTE_NDIS_STATUS_NOT_SUPPORTED;
+				QUERY_Response->Status                  = CPU_TO_LE32(REMOTE_NDIS_STATUS_NOT_SUPPORTED);
+				QUERY_Response->MessageLength           = CPU_TO_LE32(sizeof(RNDIS_Query_Complete_t));
 
-				QUERY_Response->InformationBufferLength = 0;
+				QUERY_Response->InformationBufferLength = CPU_TO_LE32(0);
-				QUERY_Response->InformationBufferOffset = 0;
+				QUERY_Response->InformationBufferOffset = CPU_TO_LE32(0);
 			}
 
 			break;
@@ -264,17 +263,17 @@ void RNDIS_Device_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_Device_t* const
 
 			RNDIS_Set_Message_t*  SET_Message           = (RNDIS_Set_Message_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 			RNDIS_Set_Complete_t* SET_Response          = (RNDIS_Set_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
-			uint32_t              SET_Oid      = SET_Message->Oid;
+			uint32_t              SET_Oid               = le32_to_cpu(SET_Message->Oid);
 
-			SET_Response->MessageType   = REMOTE_NDIS_SET_CMPLT;
+			SET_Response->MessageType                   = CPU_TO_LE32(REMOTE_NDIS_SET_CMPLT);
-			SET_Response->MessageLength = sizeof(RNDIS_Set_Complete_t);
+			SET_Response->MessageLength                 = CPU_TO_LE32(sizeof(RNDIS_Set_Complete_t));
 			SET_Response->RequestId                     = SET_Message->RequestId;
 
 			void* SetData = &RNDISInterfaceInfo->State.RNDISMessageBuffer[sizeof(RNDIS_Message_Header_t) +
-			                                                              SET_Message->InformationBufferOffset];
+			                                                              le32_to_cpu(SET_Message->InformationBufferOffset)];
 
 			SET_Response->Status = RNDIS_Device_ProcessNDISSet(RNDISInterfaceInfo, SET_Oid, SetData,
-			                                                   SET_Message->InformationBufferLength) ?
+			                                                   le32_to_cpu(SET_Message->InformationBufferLength)) ?
 			                                                   REMOTE_NDIS_STATUS_SUCCESS : REMOTE_NDIS_STATUS_NOT_SUPPORTED;
 			break;
 		case REMOTE_NDIS_RESET_MSG:
@@ -282,10 +281,10 @@ void RNDIS_Device_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_Device_t* const
 
 			RNDIS_Reset_Complete_t* RESET_Response      = (RNDIS_Reset_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 
-			RESET_Response->MessageType     = REMOTE_NDIS_RESET_CMPLT;
+			RESET_Response->MessageType                 = CPU_TO_LE32(REMOTE_NDIS_RESET_CMPLT);
-			RESET_Response->MessageLength   = sizeof(RNDIS_Reset_Complete_t);
+			RESET_Response->MessageLength               = CPU_TO_LE32(sizeof(RNDIS_Reset_Complete_t));
-			RESET_Response->Status          = REMOTE_NDIS_STATUS_SUCCESS;
+			RESET_Response->Status                      = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS);
-			RESET_Response->AddressingReset = 0;
+			RESET_Response->AddressingReset             = CPU_TO_LE32(0);
 
 			break;
 		case REMOTE_NDIS_KEEPALIVE_MSG:
@@ -296,10 +295,10 @@ void RNDIS_Device_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_Device_t* const
 			RNDIS_KeepAlive_Complete_t* KEEPALIVE_Response =
 			                (RNDIS_KeepAlive_Complete_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
 
-			KEEPALIVE_Response->MessageType   = REMOTE_NDIS_KEEPALIVE_CMPLT;
+			KEEPALIVE_Response->MessageType             = CPU_TO_LE32(REMOTE_NDIS_KEEPALIVE_CMPLT);
-			KEEPALIVE_Response->MessageLength = sizeof(RNDIS_KeepAlive_Complete_t);
+			KEEPALIVE_Response->MessageLength           = CPU_TO_LE32(sizeof(RNDIS_KeepAlive_Complete_t));
 			KEEPALIVE_Response->RequestId               = KEEPALIVE_Message->RequestId;
-			KEEPALIVE_Response->Status        = REMOTE_NDIS_STATUS_SUCCESS;
+			KEEPALIVE_Response->Status                  = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS);
 
 			break;
 	}
@@ -327,27 +326,27 @@ static bool RNDIS_Device_ProcessNDISQuery(USB_ClassInfo_RNDIS_Device_t* const RN
 			*ResponseSize = sizeof(uint32_t);
 
 			/* Indicate that the device is a true ethernet link */
-			*((uint32_t*)ResponseData) = 0;
+			*((uint32_t*)ResponseData) = CPU_TO_LE32(0);
 
 			return true;
 		case OID_GEN_HARDWARE_STATUS:
 			*ResponseSize = sizeof(uint32_t);
 
-			*((uint32_t*)ResponseData) = NDIS_HardwareStatus_Ready;
+			*((uint32_t*)ResponseData) = CPU_TO_LE32(NDIS_HardwareStatus_Ready);
 
 			return true;
 		case OID_GEN_MEDIA_SUPPORTED:
 		case OID_GEN_MEDIA_IN_USE:
 			*ResponseSize = sizeof(uint32_t);
 
-			*((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIUM_802_3;
+			*((uint32_t*)ResponseData) = CPU_TO_LE32(REMOTE_NDIS_MEDIUM_802_3);
 
 			return true;
 		case OID_GEN_VENDOR_ID:
 			*ResponseSize = sizeof(uint32_t);
 
 			/* Vendor ID 0x0xFFFFFF is reserved for vendors who have not purchased a NDIS VID */
-			*((uint32_t*)ResponseData) = 0x00FFFFFF;
+			*((uint32_t*)ResponseData) = CPU_TO_LE32(0x00FFFFFF);
 
 			return true;
 		case OID_GEN_MAXIMUM_FRAME_SIZE:
@@ -355,7 +354,7 @@ static bool RNDIS_Device_ProcessNDISQuery(USB_ClassInfo_RNDIS_Device_t* const RN
 		case OID_GEN_RECEIVE_BLOCK_SIZE:
 			*ResponseSize = sizeof(uint32_t);
 
-			*((uint32_t*)ResponseData) = ETHERNET_FRAME_SIZE_MAX;
+			*((uint32_t*)ResponseData) = CPU_TO_LE32(ETHERNET_FRAME_SIZE_MAX);
 
 			return true;
 		case OID_GEN_VENDOR_DESCRIPTION:
@@ -367,14 +366,14 @@ static bool RNDIS_Device_ProcessNDISQuery(USB_ClassInfo_RNDIS_Device_t* const RN
 		case OID_GEN_MEDIA_CONNECT_STATUS:
 			*ResponseSize = sizeof(uint32_t);
 
-			*((uint32_t*)ResponseData) = REMOTE_NDIS_MEDIA_STATE_CONNECTED;
+			*((uint32_t*)ResponseData) = CPU_TO_LE32(REMOTE_NDIS_MEDIA_STATE_CONNECTED);
 
 			return true;
 		case OID_GEN_LINK_SPEED:
 			*ResponseSize = sizeof(uint32_t);
 
 			/* Indicate 10Mb/s link speed */
-			*((uint32_t*)ResponseData) = 100000;
+			*((uint32_t*)ResponseData) = CPU_TO_LE32(100000);
 
 			return true;
 		case OID_802_3_PERMANENT_ADDRESS:
@@ -388,13 +387,13 @@ static bool RNDIS_Device_ProcessNDISQuery(USB_ClassInfo_RNDIS_Device_t* const RN
 			*ResponseSize = sizeof(uint32_t);
 
 			/* Indicate only one multicast address supported */
-			*((uint32_t*)ResponseData) = 1;
+			*((uint32_t*)ResponseData) = CPU_TO_LE32(1);
 
 			return true;
 		case OID_GEN_CURRENT_PACKET_FILTER:
 			*ResponseSize = sizeof(uint32_t);
 
-			*((uint32_t*)ResponseData) = RNDISInterfaceInfo->State.CurrPacketFilter;
+			*((uint32_t*)ResponseData) = cpu_to_le32(RNDISInterfaceInfo->State.CurrPacketFilter);
 
 			return true;
 		case OID_GEN_XMIT_OK:
@@ -408,14 +407,14 @@ static bool RNDIS_Device_ProcessNDISQuery(USB_ClassInfo_RNDIS_Device_t* const RN
 			*ResponseSize = sizeof(uint32_t);
 
 			/* Unused statistic OIDs - always return 0 for each */
-			*((uint32_t*)ResponseData) = 0;
+			*((uint32_t*)ResponseData) = CPU_TO_LE32(0);
 
 			return true;
 		case OID_GEN_MAXIMUM_TOTAL_SIZE:
 			*ResponseSize = sizeof(uint32_t);
 
 			/* Indicate maximum overall buffer (Ethernet frame and RNDIS header) the adapter can handle */
-			*((uint32_t*)ResponseData) = (RNDIS_MESSAGE_BUFFER_SIZE + ETHERNET_FRAME_SIZE_MAX);
+			*((uint32_t*)ResponseData) = CPU_TO_LE32(RNDIS_MESSAGE_BUFFER_SIZE + ETHERNET_FRAME_SIZE_MAX);
 
 			return true;
 		default:
@@ -433,8 +432,8 @@ static bool RNDIS_Device_ProcessNDISSet(USB_ClassInfo_RNDIS_Device_t* const RNDI
 	switch (OId)
 	{
 		case OID_GEN_CURRENT_PACKET_FILTER:
-			RNDISInterfaceInfo->State.CurrPacketFilter = *((uint32_t*)SetData);
+			RNDISInterfaceInfo->State.CurrPacketFilter = le32_to_cpu(*((uint32_t*)SetData));
-			RNDISInterfaceInfo->State.CurrRNDISState = ((RNDISInterfaceInfo->State.CurrPacketFilter) ?
+			RNDISInterfaceInfo->State.CurrRNDISState   = le32_to_cpu((RNDISInterfaceInfo->State.CurrPacketFilter) ?
 			                                                         RNDIS_Data_Initialized : RNDIS_Data_Initialized);
 
 			return true;
@@ -479,16 +478,16 @@ uint8_t RNDIS_Device_ReadPacket(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfa
 	RNDIS_Packet_Message_t RNDISPacketHeader;	
 	Endpoint_Read_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NULL);
 
-	if (RNDISPacketHeader.DataLength > ETHERNET_FRAME_SIZE_MAX)
+	if (le32_to_cpu(RNDISPacketHeader.DataLength) > ETHERNET_FRAME_SIZE_MAX)
 	{
 		Endpoint_StallTransaction();
 
 		return RNDIS_ERROR_LOGICAL_CMD_FAILED;
 	}
 	
-	*PacketLength = (uint16_t)RNDISPacketHeader.DataLength;
+	*PacketLength = (uint16_t)le32_to_cpu(RNDISPacketHeader.DataLength);
 
-	Endpoint_Read_Stream_LE(Buffer, RNDISPacketHeader.DataLength, NULL);
+	Endpoint_Read_Stream_LE(Buffer, *PacketLength, NULL);
 	Endpoint_ClearOUT();
 	
 	return ENDPOINT_RWSTREAM_NoError;
@@ -515,10 +514,10 @@ uint8_t RNDIS_Device_SendPacket(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfa
 
 	memset(&RNDISPacketHeader, 0, sizeof(RNDIS_Packet_Message_t));
 
-	RNDISPacketHeader.MessageType   = REMOTE_NDIS_PACKET_MSG;
+	RNDISPacketHeader.MessageType   = CPU_TO_LE32(REMOTE_NDIS_PACKET_MSG);
-	RNDISPacketHeader.MessageLength = (sizeof(RNDIS_Packet_Message_t) + PacketLength);
+	RNDISPacketHeader.MessageLength = cpu_to_le32(sizeof(RNDIS_Packet_Message_t) + PacketLength);
-	RNDISPacketHeader.DataOffset    = (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t));
+	RNDISPacketHeader.DataOffset    = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t));
-	RNDISPacketHeader.DataLength    = PacketLength;
+	RNDISPacketHeader.DataLength    = cpu_to_le32(PacketLength);
 
 	Endpoint_Write_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NULL);
 	Endpoint_Write_Stream_LE(Buffer, PacketLength, NULL);

LUFA/Drivers/USB/Core/StdDescriptors.h

@@ -254,6 +254,8 @@
 			 *  uses LUFA-specific element names to make each element's purpose clearer.
 			 *
 			 *  \see \ref USB_StdDescriptor_Header_t for the version of this type with standard element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -269,6 +271,8 @@
 			 *  uses the relevant standard's given element names to ensure compatibility with the standard.
 			 *
 			 *  \see \ref USB_Descriptor_Header_t for the version of this type with non-standard LUFA specific element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -284,6 +288,8 @@
 			 *  element's purpose clearer.
 			 *
 			 *  \see \ref USB_StdDescriptor_Device_t for the version of this type with standard element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -333,6 +339,8 @@
 			 *  to ensure compatibility with the standard.
 			 *
 			 *  \see \ref USB_Descriptor_Device_t for the version of this type with non-standard LUFA specific element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -381,6 +389,8 @@
 			 *  to make each element's purpose clearer.
 			 *
 			 *  \see \ref USB_StdDescriptor_Configuration_Header_t for the version of this type with standard element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -410,6 +420,8 @@
 			 *  to ensure compatibility with the standard.
 			 *
 			 *  \see \ref USB_Descriptor_Device_t for the version of this type with non-standard LUFA specific element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -438,6 +450,8 @@
 			 *  to make each element's purpose clearer.
 			 *
 			 *  \see \ref USB_StdDescriptor_Interface_t for the version of this type with standard element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -464,6 +478,8 @@
 			 *  to ensure compatibility with the standard.
 			 *
 			 *  \see \ref USB_Descriptor_Interface_t for the version of this type with non-standard LUFA specific element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -498,6 +514,8 @@
 			 *  function. Read the ECN for more information.
 			 *
 			 *  \see \ref USB_StdDescriptor_Interface_Association_t for the version of this type with standard element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -528,6 +546,8 @@
 			 *
 			 *  \see \ref USB_Descriptor_Interface_Association_t for the version of this type with non-standard LUFA specific
 			 *       element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -551,6 +571,8 @@
 			 *  to make each element's purpose clearer.
 			 *
 			 *  \see \ref USB_StdDescriptor_Endpoint_t for the version of this type with standard element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -577,6 +599,8 @@
 			 *
 			 *  \see \ref USB_Descriptor_Endpoint_t for the version of this type with non-standard LUFA specific
 			 *       element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -610,6 +634,8 @@
 			 *  This structure uses LUFA-specific element names to make each element's purpose clearer.
 			 *
 			 *  \see \ref USB_StdDescriptor_String_t for the version of this type with standard element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{
@@ -645,6 +671,8 @@
 			 *
 			 *  \see \ref USB_Descriptor_String_t for the version of this type with with non-standard LUFA specific
 			 *       element names.
+			 *
+			 *  \note Regardless of CPU architecture, these values should be stored as little endian.
 			 */
 			typedef struct
 			{

LUFA/Drivers/USB/Core/USBTask.h

@@ -84,6 +84,8 @@
 			 *  inside of the \ref EVENT_USB_Device_ControlRequest() event, or for filling up with a control request to 
 			 *  issue when in Host mode before calling \ref USB_Host_SendControlRequest().
 			 *
+			 *  \note The contents of this structure is automatically endian-corrected for the current CPU architecture.
+			 *
 			 *  \ingroup Group_USBManagement
 			 */
 			 extern USB_Request_Header_t USB_ControlRequest;