Merging IPv6 demo changes to main (#1028)

* Add IPv6 Demo (#937)

* Add demo changes

* Update kernel and library paths

* Update main.c

* Run uncrustify

* Fix spell checker

* CI check file headers update

* Add IPv6/v4 UDP echo server with zero copy/non-zero copy versions

* Add VS proj file changes to include the UDP echo sample code

* readme update

---------

Co-authored-by: Tony Josi <tonyjosi@amazon.com>

* Update Backward Compatibility Flag (#954)

* Update Backward Compatibility Flag

* Update FreeRTOS_GetUDPPayloadBuffer_ByIPType

* Update FreeRTOS_IPStart to FreeRTOS_IPInit_Multi

* Update Application APIs

* Remove ipconfigCOMPATIBLE_WITH_SINGLE

* Update Static Lib files (#956)

* Update Static Lib files

* making vApplicationIPNetworkEventHook backward compatible in demos

* Update CI check file headers

---------

Co-authored-by: Tony Josi <tonyjosi@amazon.com>

* Add WinPCap NetworkInterface Changes (#958)

* Update winpcap network interface

* Run uncrustify

* Update function to include NetworkInterface_t parameters

* Adding compatibility for xApplicationDNSQueryHook with latest dev branch for old demos (#957)

* adding compatibility for xApplicationDNSQueryHook with latest dev branch

* adding tcp echo server source

* removing unused sub demos

* fix build issues (#969)

* Update demo to latest +TCP dev/IPv6_integration (#978)

* remove macro namings

* rename sin_addr to sin_address.ulIP_IPv4 for ipv6 demo

* replace in6addr_any with FreeRTOS_in6addr_any

* replace mainCREATE_UDP_ECHO_SERVER_TASK with mainCREATE_UDP_ECHO_TASKS_SINGLE

* handle removal of sin_addr macro to sin_address.ulIP_IPv4

* updating +TCP repo to latest dev/IPv6_integration

* minor update to more clear code

* more sin_addr to sin_address.ulIP_IPv4 replacements

* fix makefiles for qemu and posix demos

* review feedback changes

* Update FreeRTOS-Plus-TCP for RC2

* Change from PR (#994)

* Update FreeRTOS-Plus-TCP for RC2

* Update copyright

* Ignore WinPCap for files header check failure.

* Update checker

* Update manifest

* Point manifest to latest commit

* Fix Spell-checker

* Update doxygen

* Update xApplicationDHCPHook for backward compatibility  (#999)

* Update xApplicationDHCPHook for backward compatability

* Update IPv6

* Update VisualStudio Static Project files

* Update pxEndPoint error (#1002)

* Update IPv6 demo ReadMe (#1004)

* Update ReadMe

* Update setup requirement

* Update UDP demo info

* Update comment

* TCP demo changes post build separation (#1011)

* adding sin_family to dest adddr for FreeRTOS_sendto

* updating FreeRTOS_bind to input sin_family post build separation changes

* updating FreeRTOS_connect to input sin_family post build separation changes

* minor fix

* updating copyright year

* updating file headers

* updating +TCP submodule

* updating file headers

* updating file headers

* updating manifest file to have latest +TCP submodule hash

* Fix issue with posix demo while running with ipconfigIPv4_BACKWARD_COMPATIBLE enabled for +TCP stack (#1027)

* Update the submodule pointer to IPv6 main

* Update manifest with latest TCP commit

* Update file checker exception

* Ignore Visual studio project file from file header checker

---------

Co-authored-by: Tony Josi <tonyjosi@amazon.com>

.github/scripts/core_checker.py

@@ -278,6 +278,9 @@ FREERTOS_IGNORED_PATTERNS = [
     r'FreeRTOS\-Plus/Demo/Common/WinPCap/.*',
     r'FreeRTOS\-Plus/Source/FreeRTOS-Plus-Trace/.*',
     r'FreeRTOS-Plus/Demo/FreeRTOS_Plus_CLI_with_Trace_Windows_Simulator/Trace_Recorder_Configuration/.*',
+    r'FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/.*',
+    r'FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap/.*',
+    r'FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/FreeRTOS_Plus_TCP_IPv6_Multi.props',
     r'FreeRTOS/Demo/lwIP_AVR32_UC3/.*',
     r'FreeRTOS/Demo/Tensilica_Simulator_Xplorer_XCC/.*',
     r'FreeRTOS/Demo/CORTEX_LM3S102_GCC/makedefs',

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/Common/FreeRTOS_TCP_server.c

@@ -1,6 +1,6 @@
 /*
- * FreeRTOS+TCP V2.0.3
+ * FreeRTOS V202212.00
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -19,8 +19,9 @@
  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- * https://aws.amazon.com/freertos
  * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
  */
 
 
@@ -91,8 +92,18 @@ SocketSet_t xSocketSet;
 
 					if( xSocket != FREERTOS_INVALID_SOCKET )
 					{
-						xAddress.sin_addr = FreeRTOS_GetIPAddress(); // Single NIC, currently not used
+						#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+						{
+							xAddress.sin_address.ulIP_IPv4 = FreeRTOS_GetIPAddress(); /* Single NIC, currently not used */
+						}
+						#else
+						{
+							xAddress.sin_addr = FreeRTOS_GetIPAddress(); /* Single NIC, currently not used */
+						} 
+						#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+						
 						xAddress.sin_port = FreeRTOS_htons( xPortNumber );
+						xAddress.sin_family = FREERTOS_AF_INET;
 
 						FreeRTOS_bind( xSocket, &xAddress, sizeof( xAddress ) );
 						FreeRTOS_listen( xSocket, pxConfigs[ xIndex ].xBackLog );
@@ -209,7 +220,15 @@ const char *pcType = "Unknown";
 	{
 	struct freertos_sockaddr xRemoteAddress;
 		FreeRTOS_GetRemoteAddress( pxClient->xSocket, &xRemoteAddress );
-		FreeRTOS_printf( ( "TPC-server: new %s client %xip\n", pcType, (unsigned)FreeRTOS_ntohl( xRemoteAddress.sin_addr ) ) );
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+		{
+			FreeRTOS_printf( ( "TPC-server: new %s client %xip\n", pcType, (unsigned)FreeRTOS_ntohl( xRemoteAddress.sin_address.ulIP_IPv4 ) ) );
+		}
+		#else
+		{	
+			FreeRTOS_printf( ( "TPC-server: new %s client %xip\n", pcType, (unsigned)FreeRTOS_ntohl( xRemoteAddress.sin_addr ) ) );
+		} 
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 	}
 
 	/* Remove compiler warnings in case FreeRTOS_printf() is not used. */

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/FTP/FreeRTOS_FTP_server.c

@@ -1,11 +1,6 @@
 /*
- *!
+ * FreeRTOS V202212.00
- *! The protocols implemented in this file are intended to be demo quality only,
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
- *! and not for production devices.
- *!
- *
- * FreeRTOS+TCP V2.0.3
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -24,8 +19,16 @@
  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- * https://aws.amazon.com/freertos
  * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/*
+ *!
+ *! The protocols implemented in this file are intended to be demo quality only,
+ *! and not for production devices.
+ *!
  */
 
 /* Standard includes. */
@@ -585,8 +588,18 @@ BaseType_t xResult = 0;
 				FreeRTOS_GetLocalAddress( pxClient->xTransferSocket, &xLocalAddress );
 				FreeRTOS_GetRemoteAddress( pxClient->xSocket, &xRemoteAddress );
 
-				ulIP = FreeRTOS_ntohl( xLocalAddress.sin_addr );
+				#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-				pxClient->ulClientIP = FreeRTOS_ntohl( xRemoteAddress.sin_addr );
+				{
+					ulIP = FreeRTOS_ntohl( xLocalAddress.sin_address.ulIP_IPv4  );
+					pxClient->ulClientIP = FreeRTOS_ntohl( xRemoteAddress.sin_address.ulIP_IPv4  );
+				}
+				#else
+				{
+					ulIP = FreeRTOS_ntohl( xLocalAddress.sin_addr );
+					pxClient->ulClientIP = FreeRTOS_ntohl( xRemoteAddress.sin_addr );
+				}
+				#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+				
 				ulPort = FreeRTOS_ntohs( xLocalAddress.sin_port );
 
 				pxClient->usClientPort = FreeRTOS_ntohs( xRemoteAddress.sin_port );
@@ -852,8 +865,19 @@ BaseType_t xResult;
 	#if( ipconfigFTP_TX_BUFSIZE > 0 )
 		WinProperties_t xWinProps;
 	#endif
-		xAddress.sin_addr = FreeRTOS_GetIPAddress( );	/* Single NIC, currently not used */
+
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+		{
+			xAddress.sin_address.ulIP_IPv4  = FreeRTOS_GetIPAddress( );	/* Single NIC, currently not used */
+		}
+		#else
+		{
+			xAddress.sin_addr = FreeRTOS_GetIPAddress( );	/* Single NIC, currently not used */
+		}
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+		
 		xAddress.sin_port = FreeRTOS_htons( 0 );		/* Bind to any available port number */
+		xAddress.sin_family = FREERTOS_AF_INET;
 
 		BaseType_t xBindResult;
 		xBindResult = FreeRTOS_bind( xSocket, &xAddress, sizeof( xAddress ) );
@@ -929,10 +953,22 @@ BaseType_t xResult;
 	}
 	else
 	{
-	struct freertos_sockaddr xAddress;
+		struct freertos_sockaddr xAddress;
 
-		xAddress.sin_addr = FreeRTOS_htonl( pxClient->ulClientIP );
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+		{
+			xAddress.sin_address.ulIP_IPv4 = FreeRTOS_htonl( pxClient->ulClientIP );
+		}
+		#else
+		{
+			xAddress.sin_addr = FreeRTOS_htonl( pxClient->ulClientIP );
+		}
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+		
 		xAddress.sin_port = FreeRTOS_htons( pxClient->usClientPort );
+		xAddress.sin_family = FREERTOS_AF_INET;
+		
 		/* Start an active connection for this data socket */
 		xResult = FreeRTOS_connect( pxClient->xTransferSocket, &xAddress, sizeof( xAddress ) );
 	}

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/NTP/NTPDemo.c

@@ -1,11 +1,6 @@
 /*
- *!
+ * FreeRTOS V202212.00
- *! The protocols implemented in this file are intended to be demo quality only,
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
- *! and not for production devices.
- *!
- *
- * FreeRTOS+TCP V2.0.3
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -24,11 +19,17 @@
  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- * https://aws.amazon.com/freertos
  * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
  */
 
 /*
+ *!
+ *! The protocols implemented in this file are intended to be demo quality only,
+ *! and not for production devices.
+ *!
+ *
  * NTPDemo.c
  *
  * An example of how to lookup a domain using DNS
@@ -149,8 +150,18 @@ void vStartNTPTask( uint16_t usTaskStackSize, UBaseType_t uxTaskPriority )
 			BaseType_t xReceiveTimeOut = pdMS_TO_TICKS( 5000 );
 		#endif
 
-			xAddress.sin_addr = 0ul;
+			#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+			{
+				xAddress.sin_address.ulIP_IPv4 = 0ul;
+			}
+			#else
+			{
+				xAddress.sin_addr = 0ul;
+			}
+			#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
 			xAddress.sin_port = FreeRTOS_htons( NTP_PORT );
+			xAddress.sin_family = FREERTOS_AF_INET;
 
 			FreeRTOS_bind( xUDPSocket, &xAddress, sizeof( xAddress ) );
 			FreeRTOS_setsockopt( xUDPSocket, 0, FREERTOS_SO_RCVTIMEO, &xReceiveTimeOut, sizeof( xReceiveTimeOut ) );
@@ -386,10 +397,23 @@ struct freertos_sockaddr xAddress;
 			char pcBuf[16];
 
 				prvNTPPacketInit( );
-				xAddress.sin_addr = ulIPAddressFound;
-				xAddress.sin_port = FreeRTOS_htons( NTP_PORT );
 
-				FreeRTOS_inet_ntoa( xAddress.sin_addr, pcBuf );
+				#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+				{
+					xAddress.sin_address.ulIP_IPv4 = ulIPAddressFound;
+					xAddress.sin_port = FreeRTOS_htons( NTP_PORT );
+					FreeRTOS_inet_ntoa( xAddress.sin_address.ulIP_IPv4, pcBuf );
+				}
+				#else
+				{
+					xAddress.sin_addr = ulIPAddressFound;
+					xAddress.sin_port = FreeRTOS_htons( NTP_PORT );
+					FreeRTOS_inet_ntoa( xAddress.sin_addr, pcBuf );
+				}
+				#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+				xAddress.sin_family = FREERTOS_AF_INET;
+				
 				FreeRTOS_printf( ( "Sending UDP message to %s:%u\n",
 					pcBuf,
 					FreeRTOS_ntohs( xAddress.sin_port ) ) );

FreeRTOS-Plus/Demo/Common/FreeRTOS_Plus_CLI_Demos/UDP-Related-CLI-commands.c

@@ -266,44 +266,44 @@ uint32_t ulAddress;
 	switch( xIndex )
 	{
 		case 0 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( &ulAddress, NULL, NULL, NULL, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( &ulAddress, NULL, NULL, NULL );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( pcWriteBuffer, "\r\nIP address " );
 			xReturn = pdTRUE;
 			xIndex++;
 			break;
 
 		case 1 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( NULL, &ulAddress,  NULL, NULL, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( NULL, &ulAddress, NULL, NULL );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( pcWriteBuffer, "\r\nNet mask " );
 			xReturn = pdTRUE;
 			xIndex++;
 			break;
 
 		case 2 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( NULL, NULL, &ulAddress, NULL, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( NULL, NULL, &ulAddress, NULL );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( pcWriteBuffer, "\r\nGateway address " );
 			xReturn = pdTRUE;
 			xIndex++;
 			break;
 
 		case 3 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( NULL, NULL, NULL, &ulAddress, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( NULL, NULL, NULL, &ulAddress );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( pcWriteBuffer, "\r\nDNS server address " );
 			xReturn = pdTRUE;
 			xIndex++;

FreeRTOS-Plus/Demo/Common/FreeRTOS_Plus_UDP_Demos/CLICommands/CLI-commands.c

@@ -565,44 +565,44 @@ uint32_t ulAddress;
 	switch( xIndex )
 	{
 		case 0 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( &ulAddress, NULL, NULL, NULL, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( &ulAddress, NULL, NULL, NULL );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( pcWriteBuffer, "\r\nIP address " );
 			xReturn = pdTRUE;
 			xIndex++;
 			break;
 
 		case 1 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( NULL, &ulAddress, NULL, NULL, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( NULL, &ulAddress, NULL, NULL );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( pcWriteBuffer, "\r\nNet mask " );
 			xReturn = pdTRUE;
 			xIndex++;
 			break;
 
 		case 2 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( NULL, NULL, &ulAddress, NULL, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( NULL, NULL, &ulAddress, NULL );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( pcWriteBuffer, "\r\nGateway address " );
 			xReturn = pdTRUE;
 			xIndex++;
 			break;
 
 		case 3 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( NULL, NULL, NULL, &ulAddress, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( NULL, NULL, NULL, &ulAddress );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( pcWriteBuffer, "\r\nDNS server address " );
 			xReturn = pdTRUE;
 			xIndex++;

FreeRTOS-Plus/Demo/Common/FreeRTOS_Plus_UDP_Demos/CLICommands/UDPCommandServer.c

@@ -1,6 +1,6 @@
 /*
  * FreeRTOS V202212.00
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -20,7 +20,7 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  * https://www.FreeRTOS.org
- * https://aws.amazon.com/freertos
+ * https://github.com/FreeRTOS
  *
  */
 
@@ -190,6 +190,7 @@ xSocket_t xSocket = FREERTOS_INVALID_SOCKET;
 
 		/* Set family and port. */
 		xServer.sin_port = FreeRTOS_htons( usPort );
+		xServer.sin_family = FREERTOS_AF_INET;
 
 		/* Bind the address to the socket. */
 		if( FreeRTOS_bind( xSocket, &xServer, sizeof( xServer ) ) == -1 )

FreeRTOS-Plus/Demo/Common/FreeRTOS_Plus_UDP_Demos/EchoClients/TwoEchoClients.c

@@ -1,6 +1,6 @@
 /*
  * FreeRTOS V202212.00
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -20,7 +20,7 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  * https://www.FreeRTOS.org
- * https://aws.amazon.com/freertos
+ * https://github.com/FreeRTOS
  *
  */
 
@@ -130,10 +130,24 @@ uint32_t xAddressLength = sizeof( xEchoServerAddress );
 	server is configured by the constants configECHO_SERVER_ADDR0 to
 	configECHO_SERVER_ADDR3 in FreeRTOSConfig.h. */
 	xEchoServerAddress.sin_port = FreeRTOS_htons( echoECHO_PORT );
-	xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+
-															configECHO_SERVER_ADDR1,
+	#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-															configECHO_SERVER_ADDR2,
+	{
-															configECHO_SERVER_ADDR3 );
+		xEchoServerAddress.sin_address.ulIP_IPv4 = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+																configECHO_SERVER_ADDR1,
+																configECHO_SERVER_ADDR2,
+																configECHO_SERVER_ADDR3 );
+	}
+	#else
+	{
+		xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+																configECHO_SERVER_ADDR1,
+																configECHO_SERVER_ADDR2,
+																configECHO_SERVER_ADDR3 );
+	}
+	#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+	xEchoServerAddress.sin_family = FREERTOS_AF_INET;
 
 	for( ;; )
 	{
@@ -238,10 +252,24 @@ const size_t xBufferLength = strlen( pcStringToSend ) + 15;
 	server is configured by the constants configECHO_SERVER_ADDR0 to
 	configECHO_SERVER_ADDR3 in FreeRTOSConfig.h. */
 	xEchoServerAddress.sin_port = FreeRTOS_htons( echoECHO_PORT );
-	xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+
-															configECHO_SERVER_ADDR1,
+	#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-															configECHO_SERVER_ADDR2,
+	{
-															configECHO_SERVER_ADDR3 );
+		xEchoServerAddress.sin_address.ulIP_IPv4 = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+																configECHO_SERVER_ADDR1,
+																configECHO_SERVER_ADDR2,
+																configECHO_SERVER_ADDR3 );
+	}
+	#else
+	{
+		xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+																configECHO_SERVER_ADDR1,
+																configECHO_SERVER_ADDR2,
+																configECHO_SERVER_ADDR3 );
+	}
+	#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+	xEchoServerAddress.sin_family = FREERTOS_AF_INET;
 
 	for( ;; )
 	{

FreeRTOS-Plus/Demo/Common/Logging/windows/Logging_WinSim.c

@@ -181,7 +181,19 @@ void vLoggingInit( BaseType_t xLogToStdout,
             {
                 /* Set the address to which the print messages are sent. */
                 xPrintUDPAddress.sin_port = FreeRTOS_htons( usRemotePort );
-                xPrintUDPAddress.sin_addr = ulRemoteIPAddress;
+
+                #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+                {
+                    xPrintUDPAddress.sin_address.ulIP_IPv4 = ulRemoteIPAddress;
+                }
+                #else
+                {
+                    xPrintUDPAddress.sin_addr = ulRemoteIPAddress;
+                }
+                #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+                xPrintUDPAddress.sin_family = FREERTOS_AF_INET;
+                
             }
 
             /* If a disk file or stdout are to be used then Win32 system calls will

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Echo_Posix/Makefile

@@ -52,31 +52,10 @@ SOURCE_FILES += ${FREERTOS_DIR}/Source/portable/MemMang/heap_3.c
 
 
 # FreeRTOS TCP
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_ARP.c
+SOURCE_FILES += $(wildcard ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/*.c )
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_DHCP.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_DNS.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_DNS_Cache.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_DNS_Callback.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_DNS_Networking.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_DNS_Parser.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_ICMP.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_IP.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_IP_Timers.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_IP_Utils.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_Sockets.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_Stream_Buffer.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_TCP_IP.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_TCP_Reception.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_TCP_State_Handling.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_TCP_Transmission.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_TCP_Utils.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_TCP_WIN.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_Tiny_TCP.c
-SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/FreeRTOS_UDP_IP.c
 SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/portable/BufferManagement/BufferAllocation_2.c
 SOURCE_FILES += ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/portable/NetworkInterface/linux/NetworkInterface.c
 
-
 CFLAGS 			:= -ggdb3
 LDFLAGS			:= -ggdb3 -pthread -lpcap
 CPPFLAGS		:=    $(INCLUDE_DIRS) -DBUILD_DIR=\"$(BUILD_DIR_ABS)\"

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Echo_Posix/SimpleTCPEchoServer.c

@@ -192,6 +192,7 @@
          * listen for incoming connections. */
         xBindAddress.sin_port = tcpechoPORT_NUMBER;
         xBindAddress.sin_port = FreeRTOS_htons( xBindAddress.sin_port );
+        xBindAddress.sin_family = FREERTOS_AF_INET;
         FreeRTOS_bind( xListeningSocket, &xBindAddress, sizeof( xBindAddress ) );
         FreeRTOS_listen( xListeningSocket, xBacklog );
 

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Echo_Posix/TCPEchoClient_SingleTasks.c

@@ -158,10 +158,24 @@
          * server is configured by the constants configECHO_SERVER_ADDR0 to
          * configECHO_SERVER_ADDR3 in FreeRTOSConfig.h. */
         xEchoServerAddress.sin_port = FreeRTOS_htons( echoECHO_PORT );
-        xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+
-                                                                configECHO_SERVER_ADDR1,
+        #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-                                                                configECHO_SERVER_ADDR2,
+        {
-                                                                configECHO_SERVER_ADDR3 );
+            xEchoServerAddress.sin_address.ulIP_IPv4 = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+                                                                    configECHO_SERVER_ADDR1,
+                                                                    configECHO_SERVER_ADDR2,
+                                                                    configECHO_SERVER_ADDR3 );
+        }
+        #else
+        {
+            xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+                                                                    configECHO_SERVER_ADDR1,
+                                                                    configECHO_SERVER_ADDR2,
+                                                                    configECHO_SERVER_ADDR3 );
+        }
+        #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+        xEchoServerAddress.sin_family = FREERTOS_AF_INET;
 
         for( ; ; )
         {

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Echo_Posix/main_networking.c

@@ -118,7 +118,7 @@ const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_
 /* Use by the pseudo random number generator. */
 static UBaseType_t ulNextRand;
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 
     /* In case multiple interfaces are used, define them statically. */
 
@@ -128,7 +128,7 @@ static UBaseType_t ulNextRand;
     /* It will have several end-points. */
     static NetworkEndPoint_t xEndPoints[ 4 ];
 
-#endif /* if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
+#endif /* if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
 
 /*-----------------------------------------------------------*/
@@ -157,7 +157,9 @@ void main_tcp_echo_client_tasks( void )
     /* Initialise the network interface.*/
     FreeRTOS_debug_printf( ( "FreeRTOS_IPInit\r\n" ) );
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+    memcpy( ipLOCAL_MAC_ADDRESS, ucMACAddress, sizeof( ucMACAddress ) );
+
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
     /* Initialise the interface descriptor for WinPCap. */
     pxFillInterfaceDescriptor( 0, &( xInterfaces[ 0 ] ) );
 
@@ -170,12 +172,11 @@ void main_tcp_echo_client_tasks( void )
     }
     #endif /* ( ipconfigUSE_DHCP != 0 ) */
 
-    memcpy( ipLOCAL_MAC_ADDRESS, ucMACAddress, sizeof( ucMACAddress ) );
+    FreeRTOS_IPInit_Multi();
-    FreeRTOS_IPStart();
 #else
     /* Using the old /single /IPv4 library, or using backward compatible mode of the new /multi library. */
     FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
-#endif /* if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
+#endif /* if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
     /* Start the RTOS scheduler. */
     FreeRTOS_debug_printf( ( "vTaskStartScheduler\n" ) );
@@ -197,7 +198,12 @@ void main_tcp_echo_client_tasks( void )
 
 /* Called by FreeRTOS+TCP when the network connects or disconnects.  Disconnect
  * events are only received if implemented in the MAC driver. */
-void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+    void vApplicationIPNetworkEventHook_Multi( eIPCallbackEvent_t eNetworkEvent,
+                                                   struct xNetworkEndPoint * pxEndPoint )
+#else
+    void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 {
     uint32_t ulIPAddress, ulNetMask, ulGatewayAddress, ulDNSServerAddress;
     char cBuffer[ 16 ];
@@ -225,11 +231,11 @@ void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
 
         /* Print out the network configuration, which may have come from a DHCP
          * server. */
-        #if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+        #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
             FreeRTOS_GetEndPointConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress, pxNetworkEndPoints );
         #else
             FreeRTOS_GetAddressConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress );
-        #endif
+        #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
         FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
         FreeRTOS_printf( ( "\r\n\r\nIP Address: %s\r\n", cBuffer ) );
 
@@ -303,7 +309,12 @@ static void prvMiscInitialisation( void )
 
 #if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
 
-    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+        BaseType_t xApplicationDNSQueryHook_Multi( struct xNetworkEndPoint * pxEndPoint,
+                                                            const char * pcName )
+    #else
+        BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */    
     {
         BaseType_t xReturn;
 

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Echo_Qemu_mps2/Makefile

@@ -41,27 +41,7 @@ SOURCE_FILES += ${KERNEL_DIR}/portable/MemMang/heap_3.c
 # FreeRTOS+TCP
 INCLUDE_DIRS += -I${FREERTOS_TCP}/source/include/
 
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_ARP.c
+SOURCE_FILES += $(wildcard ${FREERTOS_PLUS_DIR}/Source/FreeRTOS-Plus-TCP/source/*.c )
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_DHCP.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_DNS.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_DNS_Cache.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_DNS_Callback.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_DNS_Networking.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_DNS_Parser.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_ICMP.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_IP.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_IP_Timers.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_IP_Utils.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_Sockets.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_Stream_Buffer.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_TCP_IP.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_TCP_Reception.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_TCP_State_Handling.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_TCP_Transmission.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_TCP_Utils.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_TCP_WIN.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_Tiny_TCP.c
-SOURCE_FILES += ${FREERTOS_TCP}/source/FreeRTOS_UDP_IP.c
 
 # FreeRTOS+TCP Port for ARM MPS2 SoC
 INCLUDE_DIRS += -I${FREERTOS_TCP}/source/portable/NetworkInterface/MPS2_AN385/ether_lan9118

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Echo_Qemu_mps2/TCPEchoClient_SingleTasks.c

@@ -159,10 +159,24 @@
          * server is configured by the constants configECHO_SERVER_ADDR0 to
          * configECHO_SERVER_ADDR3 in FreeRTOSConfig.h. */
         xEchoServerAddress.sin_port = FreeRTOS_htons( echoECHO_PORT );
-        xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+
-                                                                configECHO_SERVER_ADDR1,
+        #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-                                                                configECHO_SERVER_ADDR2,
+        {
-                                                                configECHO_SERVER_ADDR3 );
+            xEchoServerAddress.sin_address.ulIP_IPv4 = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+                                                                    configECHO_SERVER_ADDR1,
+                                                                    configECHO_SERVER_ADDR2,
+                                                                    configECHO_SERVER_ADDR3 );
+        }
+        #else
+        {
+            xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+                                                                    configECHO_SERVER_ADDR1,
+                                                                    configECHO_SERVER_ADDR2,
+                                                                    configECHO_SERVER_ADDR3 );
+        }
+        #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+        xEchoServerAddress.sin_family = FREERTOS_AF_INET;
 
         for( ; ; )
         {

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Echo_Qemu_mps2/main_networking.c

@@ -124,7 +124,7 @@ const uint8_t ucMACAddress[ 6 ] =
 /* Use by the pseudo random number generator. */
 static UBaseType_t ulNextRand;
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 
     /* In case multiple interfaces are used, define them statically. */
 
@@ -134,7 +134,7 @@ static UBaseType_t ulNextRand;
     /* It will have several end-points. */
     static NetworkEndPoint_t xEndPoints[ 4 ];
 
-#endif /* if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
 /*-----------------------------------------------------------*/
 
@@ -162,7 +162,7 @@ void main_tcp_echo_client_tasks( void )
     /* Initialise the network interface.*/
     FreeRTOS_debug_printf( ( "FreeRTOS_IPInit\r\n" ) );
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
     /* Initialise the interface descriptor for WinPCap. */
     pxMPS2_FillInterfaceDescriptor( 0, &( xInterfaces[ 0 ] ) );
 
@@ -177,11 +177,11 @@ void main_tcp_echo_client_tasks( void )
 
     memcpy( ipLOCAL_MAC_ADDRESS, ucMACAddress, sizeof( ucMACAddress ) );
 
-    FreeRTOS_IPStart();
+    FreeRTOS_IPInit_Multi();
 #else
     /* Using the old /single /IPv4 library, or using backward compatible mode of the new /multi library. */
     FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
-#endif /* if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
 
     /* Start the RTOS scheduler. */
@@ -206,7 +206,12 @@ BaseType_t xTasksAlreadyCreated = pdFALSE;
 
 /* Called by FreeRTOS+TCP when the network connects or disconnects.  Disconnect
  * events are only received if implemented in the MAC driver. */
-void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+    void vApplicationIPNetworkEventHook_Multi( eIPCallbackEvent_t eNetworkEvent,
+                                                   struct xNetworkEndPoint * pxEndPoint )
+#else
+    void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 {
     uint32_t ulIPAddress;
     uint32_t ulNetMask;
@@ -237,11 +242,11 @@ void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
 
         /* Print out the network configuration, which may have come from a DHCP
          * server. */
-        #if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+        #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
             FreeRTOS_GetEndPointConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress, pxNetworkEndPoints );
         #else
             FreeRTOS_GetAddressConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress );
-        #endif
+        #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
         FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
         FreeRTOS_printf( ( "\r\n\r\nIP Address: %s\r\n", cBuffer ) );
 
@@ -316,7 +321,12 @@ static void prvMiscInitialisation( void )
 
 #if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
 
-    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+        BaseType_t xApplicationDNSQueryHook_Multi( struct xNetworkEndPoint * pxEndPoint,
+                                                            const char * pcName )
+    #else
+        BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
     {
         BaseType_t xReturn;
 

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/FreeRTOSConfig.h

@@ -0,0 +1,228 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+/*-----------------------------------------------------------
+* Application specific definitions.
+*
+* These definitions should be adjusted for your particular hardware and
+* application requirements.
+*
+* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+* http://www.freertos.org/a00110.html
+*
+* The bottom of this file contains some constants specific to running the UDP
+* stack in this demo.  Constants specific to FreeRTOS+TCP itself (rather than
+* the demo) are contained in FreeRTOSIPConfig.h.
+*----------------------------------------------------------*/
+
+/* Used for IPv6 validation */
+#define configECHO_SERVER_ADDR_STRING              "fe80::a53b:3371:d92f:970b"
+/* Used for IPv4 validation */
+/* #define configECHO_SERVER_ADDR_STRING           "192.168.1.3" */
+
+#define configECHO_SERVER_PORT                     7
+
+
+#define configENABLE_BACKWARD_COMPATIBILITY        1
+#define configUSE_PREEMPTION                       1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION    1
+#define configMAX_PRIORITIES                       ( 7 )
+#define configTICK_RATE_HZ                         ( 1000 )                  /* In this non-real time simulated environment the tick frequency has to be at least a multiple of the Win32 tick frequency, and therefore very slow. */
+#define configMINIMAL_STACK_SIZE                   ( ( unsigned short ) 60 ) /* In this simulated case, the stack only has to hold one small structure as the real stack is part of the Win32 thread. */
+#define configTOTAL_HEAP_SIZE                      ( ( size_t ) ( 2048U * 1024U ) )
+#define configMAX_TASK_NAME_LEN                    ( 15 )
+#define configUSE_TRACE_FACILITY                   1
+#define configUSE_16_BIT_TICKS                     0
+#define configIDLE_SHOULD_YIELD                    1
+#define configUSE_CO_ROUTINES                      0
+#define configUSE_MUTEXES                          1
+#define configUSE_RECURSIVE_MUTEXES                1
+#define configQUEUE_REGISTRY_SIZE                  0
+#define configUSE_APPLICATION_TASK_TAG             0
+#define configUSE_COUNTING_SEMAPHORES              1
+#define configUSE_ALTERNATIVE_API                  0
+#define configNUM_THREAD_LOCAL_STORAGE_POINTERS    3 /* FreeRTOS+FAT requires 2 pointers if a CWD is supported. */
+
+/* Hook function related definitions. */
+#define configUSE_TICK_HOOK                        0
+#define configUSE_IDLE_HOOK                        1
+#define configUSE_MALLOC_FAILED_HOOK               1
+#define configCHECK_FOR_STACK_OVERFLOW             0 /* Not applicable to the Win32 port. */
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                           1
+#define configTIMER_TASK_PRIORITY                  ( configMAX_PRIORITIES - 1 )
+#define configTIMER_QUEUE_LENGTH                   5
+#define configTIMER_TASK_STACK_DEPTH               ( configMINIMAL_STACK_SIZE * 2 )
+
+/* Event group related definitions. */
+#define configUSE_EVENT_GROUPS                     1
+
+/* Run time stats gathering definitions. */
+#define configGENERATE_RUN_TIME_STATS              0
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES                      0
+#define configMAX_CO_ROUTINE_PRIORITIES            ( 2 )
+
+/* Set the following definitions to 1 to include the API function, or zero
+ * to exclude the API function. */
+#define INCLUDE_vTaskPrioritySet                   1
+#define INCLUDE_uxTaskPriorityGet                  1
+#define INCLUDE_vTaskDelete                        1
+#define INCLUDE_vTaskCleanUpResources              0
+#define INCLUDE_vTaskSuspend                       1
+#define INCLUDE_vTaskDelayUntil                    1
+#define INCLUDE_vTaskDelay                         1
+#define INCLUDE_uxTaskGetStackHighWaterMark        1
+#define INCLUDE_xTaskGetSchedulerState             1
+#define INCLUDE_xTimerGetTimerTaskHandle           0
+#define INCLUDE_xTaskGetIdleTaskHandle             0
+#define INCLUDE_xQueueGetMutexHolder               1
+#define INCLUDE_eTaskGetState                      1
+#define INCLUDE_xEventGroupSetBitsFromISR          1
+#define INCLUDE_xTimerPendFunctionCall             1
+#define INCLUDE_pcTaskGetTaskName                  1
+
+/* This demo makes use of one or more example stats formatting functions.  These
+ * format the raw data provided by the uxTaskGetSystemState() function in to human
+ * readable ASCII form.  See the notes in the implementation of vTaskList() within
+ * FreeRTOS/Source/tasks.c for limitations.  configUSE_STATS_FORMATTING_FUNCTIONS
+ * is set to 2 so the formatting functions are included without the stdio.h being
+ * included in tasks.c.  That is because this project defines its own sprintf()
+ * functions. */
+#define configUSE_STATS_FORMATTING_FUNCTIONS       1
+
+/* Assert call defined for debug builds. */
+#ifdef _DEBUG
+    extern void vAssertCalled( const char * pcFile,
+                               uint32_t ulLine );
+    #define configASSERT( x )    if( ( x ) == 0 ) vAssertCalled( __FILE__, __LINE__ )
+#endif /* _DEBUG */
+
+
+
+/* Application specific definitions follow. **********************************/
+
+/* If configINCLUDE_DEMO_DEBUG_STATS is set to one, then a few basic IP trace
+ * macros are defined to gather some UDP stack statistics that can then be viewed
+ * through the CLI interface. */
+#define configINCLUDE_DEMO_DEBUG_STATS         1
+
+/* The size of the global output buffer that is available for use when there
+ * are multiple command interpreters running at once (for example, one on a UART
+ * and one on TCP/IP).  This is done to prevent an output buffer being defined by
+ * each implementation - which would waste RAM.  In this case, there is only one
+ * command interpreter running, and it has its own local output buffer, so the
+ * global buffer is just set to be one byte long as it is not used and should not
+ * take up unnecessary RAM. */
+#define configCOMMAND_INT_MAX_OUTPUT_SIZE      1
+
+/* Only used when running in the FreeRTOS Windows simulator.  Defines the
+ * priority of the task used to simulate Ethernet interrupts. */
+#define configMAC_ISR_SIMULATOR_PRIORITY       ( configMAX_PRIORITIES - 1 )
+
+/* This demo creates a virtual network connection by accessing the raw Ethernet
+ * or WiFi data to and from a real network connection.  Many computers have more
+ * than one real network port, and configNETWORK_INTERFACE_TO_USE is used to tell
+ * the demo which real port should be used to create the virtual port.  The ports
+ * available are displayed on the console when the application is executed.  For
+ * example, on my development laptop setting configNETWORK_INTERFACE_TO_USE to 4
+ * results in the wired network being used, while setting
+ * configNETWORK_INTERFACE_TO_USE to 2 results in the wireless network being
+ * used. */
+#define configNETWORK_INTERFACE_TO_USE         1L
+#define configNETWORK_INTERFACE_TYPE_TO_USE    "Realtek"
+
+/* The address of an echo server that will be used by the two demo echo client
+ * tasks.
+ * http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_Echo_Clients.html
+ * http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/UDP_Echo_Clients.html */
+#define configECHO_SERVER_ADDR0                192
+#define configECHO_SERVER_ADDR1                168
+#define configECHO_SERVER_ADDR2                2
+#define configECHO_SERVER_ADDR3                5
+
+/* Default MAC address configuration.  The demo creates a virtual network
+ * connection that uses this MAC address by accessing the raw Ethernet/WiFi data
+ * to and from a real network connection on the host PC.  See the
+ * configNETWORK_INTERFACE_TO_USE definition above for information on how to
+ * configure the real network connection to use. */
+#define configMAC_ADDR0                        0x00
+#define configMAC_ADDR1                        0x11
+#define configMAC_ADDR2                        0x22
+#define configMAC_ADDR3                        0x33
+#define configMAC_ADDR4                        0x44
+#define configMAC_ADDR5                        0x41
+
+/* Default IP address configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configIP_ADDR0                         192
+#define configIP_ADDR1                         168
+#define configIP_ADDR2                         2
+#define configIP_ADDR3                         114
+
+/* Default gateway IP address configuration.  Used in ipconfigUSE_DNS is set to
+ * 0, or ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configGATEWAY_ADDR0                    192
+#define configGATEWAY_ADDR1                    168
+#define configGATEWAY_ADDR2                    2
+#define configGATEWAY_ADDR3                    1
+
+/* Default DNS server configuration.  OpenDNS addresses are 208.67.222.222 and
+ * 208.67.220.220.  Used in ipconfigUSE_DNS is set to 0, or ipconfigUSE_DNS is set
+ * to 1 but a DNS server cannot be contacted.*/
+#define configDNS_SERVER_ADDR0                 180
+#define configDNS_SERVER_ADDR1                 250
+#define configDNS_SERVER_ADDR2                 245
+#define configDNS_SERVER_ADDR3                 182
+
+/* Default netmask configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configNET_MASK0                        255
+#define configNET_MASK1                        255
+#define configNET_MASK2                        255
+#define configNET_MASK3                        0
+
+/* The UDP port to which print messages are sent. */
+#define configPRINT_PORT                       ( 15000 )
+
+#if ( defined( _MSC_VER ) && ( _MSC_VER <= 1600 ) && !defined( snprintf ) )
+    /* Map to Windows names. */
+    #define snprintf     _snprintf
+    #define vsnprintf    _vsnprintf
+#endif
+
+/* Visual studio does not have an implementation of strcasecmp(). */
+#define strcasecmp     _stricmp
+#define strncasecmp    _strnicmp
+#define strcmpi        _strcmpi
+
+#endif /* FREERTOS_CONFIG_H */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/FreeRTOSIPConfig.h

@@ -0,0 +1,321 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+
+/*****************************************************************************
+*
+* See the following URL for configuration information.
+* http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html
+*
+*****************************************************************************/
+
+#ifndef FREERTOS_IP_CONFIG_H
+#define FREERTOS_IP_CONFIG_H
+
+/* Prototype for the function used to print out.  In this case it prints to the
+ * console before the network is connected then a UDP port after the network has
+ * connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Set to 1 to print out debug messages.  If ipconfigHAS_DEBUG_PRINTF is set to
+ * 1 then FreeRTOS_debug_printf should be defined to the function used to print
+ * out the debugging messages. */
+#define ipconfigHAS_DEBUG_PRINTF    1
+#if ( ipconfigHAS_DEBUG_PRINTF == 1 )
+    #define FreeRTOS_debug_printf( X )    vLoggingPrintf X
+#endif
+
+/* Set to 1 to print out non debugging messages, for example the output of the
+ * FreeRTOS_netstat() command, and ping replies.  If ipconfigHAS_PRINTF is set to 1
+ * then FreeRTOS_printf should be set to the function used to print out the
+ * messages. */
+#define ipconfigHAS_PRINTF    1
+#if ( ipconfigHAS_PRINTF == 1 )
+    #define FreeRTOS_printf( X )    vLoggingPrintf X
+#endif
+
+/* Define the byte order of the target MCU (the MCU FreeRTOS+TCP is executing
+ * on).  Valid options are pdFREERTOS_BIG_ENDIAN and pdFREERTOS_LITTLE_ENDIAN. */
+#define ipconfigBYTE_ORDER                         pdFREERTOS_LITTLE_ENDIAN
+
+/* If the network card/driver includes checksum offloading (IP/TCP/UDP checksums)
+ * then set ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM to 1 to prevent the software
+ * stack repeating the checksum calculations. */
+#define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM     1
+
+/* Several API's will block until the result is known, or the action has been
+ * performed, for example FreeRTOS_send() and FreeRTOS_recv().  The timeouts can be
+ * set per socket, using setsockopt().  If not set, the times below will be
+ * used as defaults. */
+#define ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME    ( 5000 )
+#define ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME       ( 5000 )
+
+/* Include support for LLMNR: Link-local Multicast Name Resolution
+ * (non-Microsoft) */
+#define ipconfigUSE_LLMNR                          ( 1 )
+
+/* Include support for NBNS: NetBIOS Name Service (Microsoft) */
+#define ipconfigUSE_NBNS                           ( 1 )
+
+/* Include support for DNS caching.  For TCP, having a small DNS cache is very
+ * useful.  When a cache is present, ipconfigDNS_REQUEST_ATTEMPTS can be kept low
+ * and also DNS may use small timeouts.  If a DNS reply comes in after the DNS
+ * socket has been destroyed, the result will be stored into the cache.  The next
+ * call to FreeRTOS_gethostbyname() will return immediately, without even creating
+ * a socket. */
+#define ipconfigUSE_DNS_CACHE                      ( 1 )
+#define ipconfigDNS_CACHE_NAME_LENGTH              ( 33 )
+#define ipconfigDNS_CACHE_ENTRIES                  ( 4 )
+#define ipconfigDNS_REQUEST_ATTEMPTS               ( 2 )
+
+/* Let DNS wait for 3 seconds for an answer. */
+#define ipconfigDNS_RECEIVE_BLOCK_TIME_TICKS       pdMS_TO_TICKS( 3000U )
+
+/* The IP stack executes it its own task (although any application task can make
+ * use of its services through the published sockets API). ipconfigUDP_TASK_PRIORITY
+ * sets the priority of the task that executes the IP stack.  The priority is a
+ * standard FreeRTOS task priority so can take any value from 0 (the lowest
+ * priority) to (configMAX_PRIORITIES - 1) (the highest priority).
+ * configMAX_PRIORITIES is a standard FreeRTOS configuration parameter defined in
+ * FreeRTOSConfig.h, not FreeRTOSIPConfig.h. Consideration needs to be given as to
+ * the priority assigned to the task executing the IP stack relative to the
+ * priority assigned to tasks that use the IP stack. */
+#define ipconfigIP_TASK_PRIORITY                   ( configMAX_PRIORITIES - 2 )
+
+/* The size, in words (not bytes), of the stack allocated to the FreeRTOS+TCP
+ * task.  This setting is less important when the FreeRTOS Win32 simulator is used
+ * as the Win32 simulator only stores a fixed amount of information on the task
+ * stack.  FreeRTOS includes optional stack overflow detection, see:
+ * http://www.freertos.org/Stacks-and-stack-overflow-checking.html */
+#define ipconfigIP_TASK_STACK_SIZE_WORDS           ( configMINIMAL_STACK_SIZE * 5 )
+
+/* ipconfigRAND32() is called by the IP stack to generate random numbers for
+ * things such as a DHCP transaction number or initial sequence number.  Random
+ * number generation is performed via this macro to allow applications to use their
+ * own random number generation method.  For example, it might be possible to
+ * generate a random number by sampling noise on an analogue input. */
+extern UBaseType_t uxRand();
+#define ipconfigRAND32()    uxRand()
+
+/* If ipconfigUSE_NETWORK_EVENT_HOOK is set to 1 then FreeRTOS+TCP will call the
+ * network event hook at the appropriate times.  If ipconfigUSE_NETWORK_EVENT_HOOK
+ * is not set to 1 then the network event hook will never be called.  See
+ * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/API/vApplicationIPNetworkEventHook.shtml
+ */
+#define ipconfigUSE_NETWORK_EVENT_HOOK                 1
+
+/* Sockets have a send block time attribute.  If FreeRTOS_sendto() is called but
+ * a network buffer cannot be obtained then the calling task is held in the Blocked
+ * state (so other tasks can continue to executed) until either a network buffer
+ * becomes available or the send block time expires.  If the send block time expires
+ * then the send operation is aborted.  The maximum allowable send block time is
+ * capped to the value set by ipconfigMAX_SEND_BLOCK_TIME_TICKS.  Capping the
+ * maximum allowable send block time prevents prevents a deadlock occurring when
+ * all the network buffers are in use and the tasks that process (and subsequently
+ * free) the network buffers are themselves blocked waiting for a network buffer.
+ * ipconfigMAX_SEND_BLOCK_TIME_TICKS is specified in RTOS ticks.  A time in
+ * milliseconds can be converted to a time in ticks by dividing the time in
+ * milliseconds by portTICK_PERIOD_MS. */
+#define ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS          ( 5000U / portTICK_PERIOD_MS )
+
+/* If ipconfigUSE_DHCP is 1 then FreeRTOS+TCP will attempt to retrieve an IP
+ * address, netmask, DNS server address and gateway address from a DHCP server.  If
+ * ipconfigUSE_DHCP is 0 then FreeRTOS+TCP will use a static IP address.  The
+ * stack will revert to using the static IP address even when ipconfigUSE_DHCP is
+ * set to 1 if a valid configuration cannot be obtained from a DHCP server for any
+ * reason.  The static configuration used is that passed into the stack by the
+ * FreeRTOS_IPInit() function call. */
+#define ipconfigUSE_DHCP                               1
+
+/* When ipconfigUSE_DHCP is set to 1, DHCP requests will be sent out at
+ * increasing time intervals until either a reply is received from a DHCP server
+ * and accepted, or the interval between transmissions reaches
+ * ipconfigMAXIMUM_DISCOVER_TX_PERIOD.  The IP stack will revert to using the
+ * static IP address passed as a parameter to FreeRTOS_IPInit() if the
+ * re-transmission time interval reaches ipconfigMAXIMUM_DISCOVER_TX_PERIOD without
+ * a DHCP reply being received. */
+#define ipconfigMAXIMUM_DISCOVER_TX_PERIOD             ( 120000U / portTICK_PERIOD_MS )
+
+/* The ARP cache is a table that maps IP addresses to MAC addresses.  The IP
+ * stack can only send a UDP message to a remove IP address if it knowns the MAC
+ * address associated with the IP address, or the MAC address of the router used to
+ * contact the remote IP address.  When a UDP message is received from a remote IP
+ * address the MAC address and IP address are added to the ARP cache.  When a UDP
+ * message is sent to a remote IP address that does not already appear in the ARP
+ * cache then the UDP message is replaced by a ARP message that solicits the
+ * required MAC address information.  ipconfigARP_CACHE_ENTRIES defines the maximum
+ * number of entries that can exist in the ARP table at any one time. */
+#define ipconfigARP_CACHE_ENTRIES                      6
+
+/* ARP requests that do not result in an ARP response will be re-transmitted a
+ * maximum of ipconfigMAX_ARP_RETRANSMISSIONS times before the ARP request is
+ * aborted. */
+#define ipconfigMAX_ARP_RETRANSMISSIONS                ( 5 )
+
+/* ipconfigMAX_ARP_AGE defines the maximum time between an entry in the ARP
+ * table being created or refreshed and the entry being removed because it is stale.
+ * New ARP requests are sent for ARP cache entries that are nearing their maximum
+ * age.  ipconfigMAX_ARP_AGE is specified in tens of seconds, so a value of 150 is
+ * equal to 1500 seconds (or 25 minutes). */
+#define ipconfigMAX_ARP_AGE                            150
+
+/* Implementing FreeRTOS_inet_addr() necessitates the use of string handling
+ * routines, which are relatively large.  To save code space the full
+ * FreeRTOS_inet_addr() implementation is made optional, and a smaller and faster
+ * alternative called FreeRTOS_inet_addr_quick() is provided.  FreeRTOS_inet_addr()
+ * takes an IP in decimal dot format (for example, "192.168.0.1") as its parameter.
+ * FreeRTOS_inet_addr_quick() takes an IP address as four separate numerical octets
+ * (for example, 192, 168, 0, 1) as its parameters.  If
+ * ipconfigINCLUDE_FULL_INET_ADDR is set to 1 then both FreeRTOS_inet_addr() and
+ * FreeRTOS_indet_addr_quick() are available.  If ipconfigINCLUDE_FULL_INET_ADDR is
+ * not set to 1 then only FreeRTOS_indet_addr_quick() is available. */
+#define ipconfigINCLUDE_FULL_INET_ADDR                 1
+
+/* ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS defines the total number of network buffer that
+ * are available to the IP stack.  The total number of network buffers is limited
+ * to ensure the total amount of RAM that can be consumed by the IP stack is capped
+ * to a pre-determinable value. */
+#define ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS         60
+
+/* A FreeRTOS queue is used to send events from application tasks to the IP
+ * stack.  ipconfigEVENT_QUEUE_LENGTH sets the maximum number of events that can
+ * be queued for processing at any one time.  The event queue must be a minimum of
+ * 5 greater than the total number of network buffers. */
+#define ipconfigEVENT_QUEUE_LENGTH                     ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 )
+
+/* The address of a socket is the combination of its IP address and its port
+ * number.  FreeRTOS_bind() is used to manually allocate a port number to a socket
+ * (to 'bind' the socket to a port), but manual binding is not normally necessary
+ * for client sockets (those sockets that initiate outgoing connections rather than
+ * wait for incoming connections on a known port number).  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 1 then calling
+ * FreeRTOS_sendto() on a socket that has not yet been bound will result in the IP
+ * stack automatically binding the socket to a port number from the range
+ * socketAUTO_PORT_ALLOCATION_START_NUMBER to 0xffff.  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 0 then calling FreeRTOS_sendto()
+ * on a socket that has not yet been bound will result in the send operation being
+ * aborted. */
+#define ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND         1
+
+/* Defines the Time To Live (TTL) values used in outgoing UDP packets. */
+#define ipconfigUDP_TIME_TO_LIVE                       128
+#define ipconfigTCP_TIME_TO_LIVE                       128 /* also defined in FreeRTOSIPConfigDefaults.h */
+
+/* USE_TCP: Use TCP and all its features */
+#define ipconfigUSE_TCP                                ( 1 )
+
+/* USE_WIN: Let TCP use windowing mechanism. */
+#define ipconfigUSE_TCP_WIN                            ( 1 )
+
+/* The MTU is the maximum number of bytes the payload of a network frame can
+ * contain.  For normal Ethernet V2 frames the maximum MTU is 1500.  Setting a
+ * lower value can save RAM, depending on the buffer management scheme used.  If
+ * ipconfigCAN_FRAGMENT_OUTGOING_PACKETS is 1 then (ipconfigNETWORK_MTU - 28) must
+ * be divisible by 8. */
+#define ipconfigNETWORK_MTU                            1200U
+
+/* Set ipconfigUSE_DNS to 1 to include a basic DNS client/resolver.  DNS is used
+ * through the FreeRTOS_gethostbyname() API function. */
+#define ipconfigUSE_DNS                                1
+
+#define ipconfigUSE_MDNS                               1
+
+/* If ipconfigREPLY_TO_INCOMING_PINGS is set to 1 then the IP stack will
+ * generate replies to incoming ICMP echo (ping) requests. */
+#define ipconfigREPLY_TO_INCOMING_PINGS                1
+
+/* If ipconfigSUPPORT_OUTGOING_PINGS is set to 1 then the
+ * FreeRTOS_SendPingRequest() API function is available. */
+#define ipconfigSUPPORT_OUTGOING_PINGS                 1
+
+/* If ipconfigSUPPORT_SELECT_FUNCTION is set to 1 then the FreeRTOS_select()
+ * (and associated) API function is available. */
+#define ipconfigSUPPORT_SELECT_FUNCTION                1
+
+/* If ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES is set to 1 then Ethernet frames
+ * that are not in Ethernet II format will be dropped.  This option is included for
+ * potential future IP stack developments. */
+#define ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES      1
+
+/* If ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES is set to 1 then it is the
+ * responsibility of the Ethernet interface to filter out packets that are of no
+ * interest.  If the Ethernet interface does not implement this functionality, then
+ * set ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES to 0 to have the IP stack
+ * perform the filtering instead (it is much less efficient for the stack to do it
+ * because the packet will already have been passed into the stack).  If the
+ * Ethernet driver does all the necessary filtering in hardware then software
+ * filtering can be removed by using a value other than 1 or 0. */
+#define ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES    1
+
+/* The windows simulator cannot really simulate MAC interrupts, and needs to
+ * block occasionally to allow other tasks to run. */
+#define configWINDOWS_MAC_INTERRUPT_SIMULATOR_DELAY    ( 20 / portTICK_PERIOD_MS )
+
+/* Advanced only: in order to access 32-bit fields in the IP packets with
+ * 32-bit memory instructions, all packets will be stored 32-bit-aligned, plus 16-bits.
+ * This has to do with the contents of the IP-packets: all 32-bit fields are
+ * 32-bit-aligned, plus 16-bit(!) */
+#define ipconfigPACKET_FILLER_SIZE                     2U
+
+/* Define the size of the pool of TCP window descriptors.  On the average, each
+ * TCP socket will use up to 2 x 6 descriptors, meaning that it can have 2 x 6
+ * outstanding packets (for Rx and Tx).  When using up to 10 TP sockets
+ * simultaneously, one could define TCP_WIN_SEG_COUNT as 120. */
+#define ipconfigTCP_WIN_SEG_COUNT                      240
+
+/* Each TCP socket has a circular buffers for Rx and Tx, which have a fixed
+ * maximum size.  Define the size of Rx buffer for TCP sockets. */
+#define ipconfigTCP_RX_BUFFER_LENGTH                   ( 1000 )
+
+/* Define the size of Tx buffer for TCP sockets. */
+#define ipconfigTCP_TX_BUFFER_LENGTH                   ( 1000 )
+
+/* When using call-back handlers, the driver may check if the handler points to
+ * real program memory (RAM or flash) or just has a random non-zero value. */
+#define ipconfigIS_VALID_PROG_ADDRESS( x )    ( ( x ) != NULL )
+
+/* Include support for TCP hang protection.  All sockets in a connecting or
+ * disconnecting stage will timeout after a period of non-activity. */
+#define ipconfigTCP_HANG_PROTECTION         ( 1 )
+#define ipconfigTCP_HANG_PROTECTION_TIME    ( 30 )
+
+/* Include support for TCP keep-alive messages. */
+#define ipconfigTCP_KEEP_ALIVE              ( 1 )
+#define ipconfigTCP_KEEP_ALIVE_INTERVAL     ( 20 ) /* in seconds */
+
+#define portINLINE                          __inline
+
+#define ipconfigMULTI_INTERFACE             1
+#define ipconfigUSE_NTP_DEMO                1
+#define ipconfigDNS_USE_CALLBACKS           1
+#define ipconfigSUPPORT_SIGNALS             1
+#define ipconfigUSE_IPv6                    1
+#define ipconfigUSE_IPv6                    1
+#define ipconfigUSE_RA                      0
+#define ipconfigSUPPORT_OUTGOING_PINGS      1
+
+#endif /* FREERTOS_IP_CONFIG_H */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/FreeRTOS_Plus_TCP_IPv6_Multi.props

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ImportGroup Label="PropertySheets" />
+  <PropertyGroup Label="UserMacros">
+    <COMMENT>
+	The following macros define the locations where the FreeRTOS kernel and
+	other libraries can be found. Note that an absolut path may also used.
+	Please try to avoid paths that contain whitespace.
+	</COMMENT>
+    <FREERTOS_SOURCE_DIR>..\..\..\Source\FreeRTOS-Plus-TCP\test\FreeRTOS-Kernel</FREERTOS_SOURCE_DIR>
+    <FREERTOS_INCLUDE_DIR>..\..\..\Source\FreeRTOS-Plus-TCP\test\FreeRTOS-Kernel\include</FREERTOS_INCLUDE_DIR>
+    <DEMO_COMMON_SOURCE_DIR>..\common</DEMO_COMMON_SOURCE_DIR>
+    <PLUS_TCP_SOURCE_DIR>..\..\..\Source\FreeRTOS-Plus-TCP\source</PLUS_TCP_SOURCE_DIR>
+    <PLUS_TCP_INCLUDE_DIR>..\..\..\Source\FreeRTOS-Plus-TCP\source\include</PLUS_TCP_INCLUDE_DIR>
+	<UTILITIES_SOURCE_DIR>..\..\..\Source\FreeRTOS-Plus-TCP\tools\tcp_utilities</UTILITIES_SOURCE_DIR>
+ </PropertyGroup>
+  <PropertyGroup />
+  <ItemDefinitionGroup />
+  <ItemGroup>
+    <BuildMacro Include="PLUS_TCP_SOURCE_DIR">
+      <Value>$(PLUS_TCP_SOURCE_DIR)</Value>
+    </BuildMacro>
+    <BuildMacro Include="PLUS_TCP_INCLUDE_DIR">
+      <Value>$(PLUS_TCP_INCLUDE_DIR)</Value>
+    </BuildMacro>
+    <BuildMacro Include="FREERTOS_SOURCE_DIR">
+      <Value>$(FREERTOS_SOURCE_DIR)</Value>
+    </BuildMacro>
+    <BuildMacro Include="FREERTOS_INCLUDE_DIR">
+      <Value>$(FREERTOS_INCLUDE_DIR)</Value>
+    </BuildMacro>
+  </ItemGroup>
+</Project>

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/FreeRTOS_Plus_TCP_IPv6_Multi.sln

@@ -0,0 +1,23 @@
+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2010
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RTOSDemo", "WIN32.vcxproj", "{C686325E-3261-42F7-AEB1-DDE5280E1CEB}"
+EndProject
+Global
+	GlobalSection(TestCaseManagementSettings) = postSolution
+		CategoryFile = FreeRTOS_Plus_TCP_IPv6_Multi.vsmdi
+	EndGlobalSection
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Release|Win32 = Release|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.Build.0 = Debug|Win32
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Release|Win32.ActiveCfg = Release|Win32
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Release|Win32.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/Logging_WinSim.c

@@ -0,0 +1,553 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/*
+ * Logging utility that allows FreeRTOS tasks to log to a UDP port, stdout, and
+ * disk file without making any Win32 system calls themselves.
+ *
+ * Messages logged to a UDP port are sent directly (using FreeRTOS+TCP), but as
+ * FreeRTOS tasks cannot make Win32 system calls messages sent to stdout or a
+ * disk file are sent via a stream buffer to a Win32 thread which then performs
+ * the actual output.
+ */
+
+/* Standard includes. */
+#include <stdio.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <io.h>
+#include <ctype.h>
+
+/* FreeRTOS includes. */
+#include <FreeRTOS.h>
+#include "task.h"
+
+/* FreeRTOS+TCP includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+#include "FreeRTOS_Stream_Buffer.h"
+
+/* Demo includes. */
+#include "logging.h"
+
+/*-----------------------------------------------------------*/
+
+/* The maximum size to which the log file may grow, before being renamed
+ * to .ful. */
+#define dlLOGGING_FILE_SIZE             ( 40ul * 1024ul * 1024ul )
+
+/* Dimensions the arrays into which print messages are created. */
+#define dlMAX_PRINT_STRING_LENGTH       255
+
+/* The size of the stream buffer used to pass messages from FreeRTOS tasks to
+ * the Win32 thread that is responsible for making any Win32 system calls that are
+ * necessary for the selected logging method. */
+#define dlLOGGING_STREAM_BUFFER_SIZE    32768
+
+/* A block time of zero simply means don't block. */
+#define dlDONT_BLOCK                    0
+
+/*-----------------------------------------------------------*/
+
+/*
+ * Called from vLoggingInit() to start a new disk log file.
+ */
+static void prvFileLoggingInit( void );
+
+/*
+ * Attempt to write a message to the file.
+ */
+static void prvLogToFile( const char * pcMessage,
+                          size_t xLength );
+
+/*
+ * Simply close the logging file, if it is open.
+ */
+static void prvFileClose( void );
+
+/*
+ * Before the scheduler is started this function is called directly.  After the
+ * scheduler has started it is called from the Windows thread dedicated to
+ * outputting log messages.  Only the windows thread actually performs the
+ * writing so as not to disrupt the simulation by making Windows system calls
+ * from FreeRTOS tasks.
+ */
+static void prvLoggingFlushBuffer( void );
+
+/*
+ * The windows thread that performs the actual writing of messages that require
+ * Win32 system calls.  Only the windows thread can make system calls so as not
+ * to disrupt the simulation by making Windows calls from FreeRTOS tasks.
+ */
+static DWORD WINAPI prvWin32LoggingThread( void * pvParam );
+
+/*
+ * Creates the socket to which UDP messages are sent.  This function is not
+ * called directly to prevent the print socket being created from within the IP
+ * task - which could result in a deadlock.  Instead the function call is
+ * deferred to run in the RTOS daemon task - hence it prototype.
+ */
+static void prvCreatePrintSocket( void * pvParameter1,
+                                  uint32_t ulParameter2 );
+
+/*-----------------------------------------------------------*/
+
+/* Windows event used to wake the Win32 thread which performs any logging that
+ * needs Win32 system calls. */
+static void * pvLoggingThreadEvent = NULL;
+
+/* Stores the selected logging targets passed in as parameters to the
+ * vLoggingInit() function. */
+BaseType_t xStdoutLoggingUsed = pdFALSE, xDiskFileLoggingUsed = pdFALSE, xUDPLoggingUsed = pdFALSE;
+
+/* Circular buffer used to pass messages from the FreeRTOS tasks to the Win32
+ * thread that is responsible for making Win32 calls (when stdout or a disk log is
+ * used). */
+static StreamBuffer_t * xLogStreamBuffer = NULL;
+
+/* Handle to the file used for logging.  This is left open while there are
+ * messages waiting to be logged, then closed again in between logs. */
+static FILE * pxLoggingFileHandle = NULL;
+
+/* When true prints are performed directly.  After start up xDirectPrint is set
+ * to pdFALSE - at which time prints that require Win32 system calls are done by
+ * the Win32 thread responsible for logging. */
+BaseType_t xDirectPrint = pdTRUE;
+
+/* File names for the in use and complete (full) log files. */
+static const char * pcLogFileName = "RTOSDemo.log";
+static const char * pcFullLogFileName = "RTOSDemo.ful";
+
+/* As an optimization, the current file size is kept in a variable. */
+static size_t ulSizeOfLoggingFile = 0ul;
+
+/* The UDP socket and address on/to which print messages are sent. */
+Socket_t xPrintSocket = FREERTOS_INVALID_SOCKET;
+struct freertos_sockaddr xPrintUDPAddress;
+
+/*-----------------------------------------------------------*/
+
+void vLoggingInit( BaseType_t xLogToStdout,
+                   BaseType_t xLogToFile,
+                   BaseType_t xLogToUDP,
+                   uint32_t ulRemoteIPAddress,
+                   uint16_t usRemotePort )
+{
+    /* Can only be called before the scheduler has started. */
+    configASSERT( xTaskGetSchedulerState() == taskSCHEDULER_NOT_STARTED );
+
+    #if ( ( ipconfigHAS_DEBUG_PRINTF == 1 ) || ( ipconfigHAS_PRINTF == 1 ) )
+        {
+            HANDLE Win32Thread;
+
+            /* Record which output methods are to be used. */
+            xStdoutLoggingUsed = xLogToStdout;
+            xDiskFileLoggingUsed = xLogToFile;
+            xUDPLoggingUsed = xLogToUDP;
+
+            /* If a disk file is used then initialize it now. */
+            if( xDiskFileLoggingUsed != pdFALSE )
+            {
+                prvFileLoggingInit();
+            }
+
+            /* If UDP logging is used then store the address to which the log data
+             * will be sent - but don't create the socket yet because the network is
+             * not initialized. */
+            if( xUDPLoggingUsed != pdFALSE )
+            {
+                /* Set the address to which the print messages are sent. */
+                xPrintUDPAddress.sin_port = FreeRTOS_htons( usRemotePort );
+                xPrintUDPAddress.sin_address.ulIP_IPv4 = ulRemoteIPAddress;
+            }
+
+            /* If a disk file or stdout are to be used then Win32 system calls will
+             * have to be made.  Such system calls cannot be made from FreeRTOS tasks
+             * so create a stream buffer to pass the messages to a Win32 thread, then
+             * create the thread itself, along with a Win32 event that can be used to
+             * unblock the thread. */
+            if( ( xStdoutLoggingUsed != pdFALSE ) || ( xDiskFileLoggingUsed != pdFALSE ) )
+            {
+                /* Create the buffer. */
+                xLogStreamBuffer = ( StreamBuffer_t * ) malloc( sizeof( *xLogStreamBuffer ) - sizeof( xLogStreamBuffer->ucArray ) + dlLOGGING_STREAM_BUFFER_SIZE + 1 );
+                configASSERT( xLogStreamBuffer );
+                memset( xLogStreamBuffer, '\0', sizeof( *xLogStreamBuffer ) - sizeof( xLogStreamBuffer->ucArray ) );
+                xLogStreamBuffer->LENGTH = dlLOGGING_STREAM_BUFFER_SIZE + 1;
+
+                /* Create the Windows event. */
+                pvLoggingThreadEvent = CreateEvent( NULL, FALSE, TRUE, "StdoutLoggingEvent" );
+
+                /* Create the thread itself. */
+                Win32Thread = CreateThread(
+                    NULL,                  /* Pointer to thread security attributes. */
+                    0,                     /* Initial thread stack size, in bytes. */
+                    prvWin32LoggingThread, /* Pointer to thread function. */
+                    NULL,                  /* Argument for new thread. */
+                    0,                     /* Creation flags. */
+                    NULL );
+
+                /* Use the cores that are not used by the FreeRTOS tasks. */
+                SetThreadAffinityMask( Win32Thread, ~0x01u );
+                SetThreadPriorityBoost( Win32Thread, TRUE );
+                SetThreadPriority( Win32Thread, THREAD_PRIORITY_IDLE );
+            }
+        }
+    #else /* if ( ( ipconfigHAS_DEBUG_PRINTF == 1 ) || ( ipconfigHAS_PRINTF == 1 ) ) */
+        {
+            /* FreeRTOSIPConfig is set such that no print messages will be output.
+             * Avoid compiler warnings about unused parameters. */
+            ( void ) xLogToStdout;
+            ( void ) xLogToFile;
+            ( void ) xLogToUDP;
+            ( void ) usRemotePort;
+            ( void ) ulRemoteIPAddress;
+        }
+    #endif /* ( ipconfigHAS_DEBUG_PRINTF == 1 ) || ( ipconfigHAS_PRINTF == 1 )  */
+}
+/*-----------------------------------------------------------*/
+
+static void prvCreatePrintSocket( void * pvParameter1,
+                                  uint32_t ulParameter2 )
+{
+    static const TickType_t xSendTimeOut = pdMS_TO_TICKS( 0 );
+    Socket_t xSocket;
+
+    /* The function prototype is that of a deferred function, but the parameters
+     * are not actually used. */
+    ( void ) pvParameter1;
+    ( void ) ulParameter2;
+
+    xSocket = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_DGRAM, FREERTOS_IPPROTO_UDP );
+
+    if( xSocket != FREERTOS_INVALID_SOCKET )
+    {
+        /* FreeRTOS+TCP decides which port to bind to. */
+        FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_SNDTIMEO, &xSendTimeOut, sizeof( xSendTimeOut ) );
+        FreeRTOS_bind( xSocket, NULL, 0 );
+
+        /* Now the socket is bound it can be assigned to the print socket. */
+        xPrintSocket = xSocket;
+    }
+}
+/*-----------------------------------------------------------*/
+
+static TickType_t ulTicksToMS( TickType_t uxTicks )
+{
+    uint64_t ullCount = uxTicks;
+
+    ullCount = ullCount * ( 1000U / configTICK_RATE_HZ );
+    return ( uint32_t ) ullCount;
+}
+
+void vLoggingPrintf( const char * pcFormat,
+                     ... )
+{
+    char cPrintString[ dlMAX_PRINT_STRING_LENGTH ];
+    char cOutputString[ dlMAX_PRINT_STRING_LENGTH ];
+    char * pcSource, * pcTarget, * pcBegin;
+    size_t xLength, xLength2, rc;
+    static BaseType_t xMessageNumber = 0;
+    static BaseType_t xAfterLineBreak = pdTRUE;
+    va_list args;
+    unsigned ulIPAddress;
+    const char * pcTaskName;
+    const char * pcNoTask = "None";
+    int iOriginalPriority;
+    HANDLE xCurrentTask;
+
+
+    if( ( xStdoutLoggingUsed != pdFALSE ) || ( xDiskFileLoggingUsed != pdFALSE ) || ( xUDPLoggingUsed != pdFALSE ) )
+    {
+        /* There are a variable number of parameters. */
+        va_start( args, pcFormat );
+
+        /* Additional info to place at the start of the log. */
+        if( xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED )
+        {
+            pcTaskName = pcTaskGetName( NULL );
+        }
+        else
+        {
+            pcTaskName = pcNoTask;
+        }
+
+        if( ( xAfterLineBreak == pdTRUE ) && ( strcmp( pcFormat, "\r\n" ) != 0 ) )
+        {
+            TickType_t uxTickCount = ulTicksToMS( xTaskGetTickCount() );
+            TickType_t ulSeconds = uxTickCount / 1000U;
+            TickType_t ulMsecs = uxTickCount % 1000U;
+            xLength = snprintf( cPrintString, dlMAX_PRINT_STRING_LENGTH, "%u %u.%03u [%-*s] ",
+                                ( unsigned ) xMessageNumber++,
+                                ( unsigned ) ulSeconds,
+                                ( unsigned ) ulMsecs,
+                                configMAX_TASK_NAME_LEN,
+                                pcTaskName );
+            /* xAfterLineBreak = pdFALSE; */
+        }
+        else
+        {
+            xLength = 0;
+            memset( cPrintString, 0x00, dlMAX_PRINT_STRING_LENGTH );
+            xAfterLineBreak = pdTRUE;
+        }
+
+        xLength2 = vsnprintf( cPrintString + xLength, dlMAX_PRINT_STRING_LENGTH - xLength, pcFormat, args );
+
+        if( xLength2 < 0 )
+        {
+            /* Clean up. */
+            xLength2 = dlMAX_PRINT_STRING_LENGTH - 1 - xLength;
+            cPrintString[ dlMAX_PRINT_STRING_LENGTH - 1 ] = '\0';
+        }
+
+        xLength += xLength2;
+        va_end( args );
+
+        /* For ease of viewing, copy the string into another buffer, converting
+         * IP addresses to dot notation on the way. */
+        pcSource = cPrintString;
+        pcTarget = cOutputString;
+
+        while( ( *pcSource ) != '\0' )
+        {
+            *pcTarget = *pcSource;
+            pcTarget++;
+            pcSource++;
+
+            /* Look forward for an IP address denoted by 'ip'. */
+            if( ( isxdigit( pcSource[ 0 ] ) != pdFALSE ) && ( pcSource[ 1 ] == 'i' ) && ( pcSource[ 2 ] == 'p' ) )
+            {
+                *pcTarget = *pcSource;
+                pcTarget++;
+                *pcTarget = '\0';
+                pcBegin = pcTarget - 8;
+
+                while( ( pcTarget > pcBegin ) && ( isxdigit( pcTarget[ -1 ] ) != pdFALSE ) )
+                {
+                    pcTarget--;
+                }
+
+                ( void ) sscanf( pcTarget, "%8X", &ulIPAddress );
+                rc = sprintf( pcTarget, "%lu.%lu.%lu.%lu",
+                              ( unsigned long ) ( ulIPAddress >> 24UL ),
+                              ( unsigned long ) ( ( ulIPAddress >> 16UL ) & 0xffUL ),
+                              ( unsigned long ) ( ( ulIPAddress >> 8UL ) & 0xffUL ),
+                              ( unsigned long ) ( ulIPAddress & 0xffUL ) );
+                pcTarget += rc;
+                pcSource += 3; /* skip "<n>ip" */
+            }
+        }
+
+        /* How far through the buffer was written? */
+        xLength = ( BaseType_t ) ( pcTarget - cOutputString );
+
+        /* If the message is to be logged to a UDP port then it can be sent directly
+         * because it only uses FreeRTOS function (not Win32 functions). */
+        if( xUDPLoggingUsed != pdFALSE )
+        {
+            #if 0  /* _HT_ Logging doesn't need UDP logging for WinSim. */
+                if( ( xPrintSocket == FREERTOS_INVALID_SOCKET ) && ( FreeRTOS_IsNetworkUp() != pdFALSE ) )
+                {
+                    /* Create and bind the socket to which print messages are sent.  The
+                     * xTimerPendFunctionCall() function is used even though this is
+                     * not an interrupt because this function is called from the IP task
+                     * and the	IP task cannot itself wait for a socket to bind.  The
+                     * parameters to prvCreatePrintSocket() are not required so set to
+                     * NULL or 0. */
+                    xTimerPendFunctionCall( prvCreatePrintSocket, NULL, 0, dlDONT_BLOCK );
+                }
+
+                if( xPrintSocket != FREERTOS_INVALID_SOCKET )
+                {
+                    FreeRTOS_sendto( xPrintSocket, cOutputString, xLength, 0, &xPrintUDPAddress, sizeof( xPrintUDPAddress ) );
+
+                    /* Just because the UDP data logger I'm using is dumb. */
+                    FreeRTOS_sendto( xPrintSocket, "\r", sizeof( char ), 0, &xPrintUDPAddress, sizeof( xPrintUDPAddress ) );
+                }
+            #endif /* 0 */
+        }
+
+        /* If logging is also to go to either stdout or a disk file then it cannot
+         * be output here - so instead write the message to the stream buffer and wake
+         * the Win32 thread which will read it from the stream buffer and perform the
+         * actual output. */
+        if( ( xStdoutLoggingUsed != pdFALSE ) || ( xDiskFileLoggingUsed != pdFALSE ) )
+        {
+            configASSERT( xLogStreamBuffer );
+
+            /* How much space is in the buffer? */
+            xLength2 = uxStreamBufferGetSpace( xLogStreamBuffer );
+
+            /* There must be enough space to write both the string and the length of
+             * the string. */
+            if( xLength2 >= ( xLength + sizeof( xLength ) ) )
+            {
+                /* First write in the length of the data, then write in the data
+                 * itself.  Raising the thread priority is used as a critical section
+                 * as there are potentially multiple writers.  The stream buffer is
+                 * only thread safe when there is a single writer (likewise for
+                 * reading from the buffer). */
+                xCurrentTask = GetCurrentThread();
+                iOriginalPriority = GetThreadPriority( xCurrentTask );
+                SetThreadPriority( GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL );
+                uxStreamBufferAdd( xLogStreamBuffer, 0, ( const uint8_t * ) &( xLength ), sizeof( xLength ) );
+                uxStreamBufferAdd( xLogStreamBuffer, 0, ( const uint8_t * ) cOutputString, xLength );
+                SetThreadPriority( GetCurrentThread(), iOriginalPriority );
+            }
+
+            /* xDirectPrint is initialized to pdTRUE, and while it remains true the
+             * logging output function is called directly.  When the system is running
+             * the output function cannot be called directly because it would get
+             * called from both FreeRTOS tasks and Win32 threads - so instead wake the
+             * Win32 thread responsible for the actual output. */
+            if( xDirectPrint != pdFALSE )
+            {
+                /* While starting up, the thread which calls prvWin32LoggingThread()
+                 * is not running yet and xDirectPrint will be pdTRUE. */
+                prvLoggingFlushBuffer();
+            }
+            else if( pvLoggingThreadEvent != NULL )
+            {
+                /* While running, wake up prvWin32LoggingThread() to send the
+                 * logging data. */
+                SetEvent( pvLoggingThreadEvent );
+            }
+        }
+    }
+}
+/*-----------------------------------------------------------*/
+
+static void prvLoggingFlushBuffer( void )
+{
+    size_t xLength;
+    char cPrintString[ dlMAX_PRINT_STRING_LENGTH ];
+
+    /* Is there more than the length value stored in the circular buffer
+     * used to pass data from the FreeRTOS simulator into this Win32 thread? */
+    while( uxStreamBufferGetSize( xLogStreamBuffer ) > sizeof( xLength ) )
+    {
+        memset( cPrintString, 0x00, dlMAX_PRINT_STRING_LENGTH );
+        uxStreamBufferGet( xLogStreamBuffer, 0, ( uint8_t * ) &xLength, sizeof( xLength ), pdFALSE );
+        uxStreamBufferGet( xLogStreamBuffer, 0, ( uint8_t * ) cPrintString, xLength, pdFALSE );
+
+        /* Write the message to standard out if requested to do so when
+         * vLoggingInit() was called, or if the network is not yet up. */
+        if( ( xStdoutLoggingUsed != pdFALSE ) || ( FreeRTOS_IsNetworkUp() == pdFALSE ) )
+        {
+            /* Write the message to stdout. */
+            _write( _fileno( stdout ), cPrintString, strlen( cPrintString ) );
+        }
+
+        /* Write the message to a file if requested to do so when
+         * vLoggingInit() was called. */
+        if( xDiskFileLoggingUsed != pdFALSE )
+        {
+            prvLogToFile( cPrintString, xLength );
+        }
+    }
+
+    prvFileClose();
+}
+/*-----------------------------------------------------------*/
+
+static DWORD WINAPI prvWin32LoggingThread( void * pvParameter )
+{
+    const DWORD xMaxWait = 1000;
+
+    ( void ) pvParameter;
+
+    /* From now on, prvLoggingFlushBuffer() will only be called from this
+     * Windows thread */
+    xDirectPrint = pdFALSE;
+
+    for( ; ; )
+    {
+        /* Wait to be told there are message waiting to be logged. */
+        WaitForSingleObject( pvLoggingThreadEvent, xMaxWait );
+
+        /* Write out all waiting messages. */
+        prvLoggingFlushBuffer();
+    }
+}
+/*-----------------------------------------------------------*/
+
+static void prvFileLoggingInit( void )
+{
+    FILE * pxHandle = fopen( pcLogFileName, "a" );
+
+    if( pxHandle != NULL )
+    {
+        fseek( pxHandle, SEEK_END, 0ul );
+        ulSizeOfLoggingFile = ftell( pxHandle );
+        fclose( pxHandle );
+    }
+    else
+    {
+        ulSizeOfLoggingFile = 0ul;
+    }
+}
+/*-----------------------------------------------------------*/
+
+static void prvFileClose( void )
+{
+    if( pxLoggingFileHandle != NULL )
+    {
+        fclose( pxLoggingFileHandle );
+        pxLoggingFileHandle = NULL;
+    }
+}
+/*-----------------------------------------------------------*/
+
+static void prvLogToFile( const char * pcMessage,
+                          size_t xLength )
+{
+    if( pxLoggingFileHandle == NULL )
+    {
+        pxLoggingFileHandle = fopen( pcLogFileName, "a" );
+    }
+
+    if( pxLoggingFileHandle != NULL )
+    {
+        fwrite( pcMessage, 1, xLength, pxLoggingFileHandle );
+        ulSizeOfLoggingFile += xLength;
+
+        /* If the file has grown to its maximum permissible size then close and
+         * rename it - then start with a new file. */
+        if( ulSizeOfLoggingFile > ( size_t ) dlLOGGING_FILE_SIZE )
+        {
+            prvFileClose();
+
+            if( _access( pcFullLogFileName, 00 ) == 0 )
+            {
+                remove( pcFullLogFileName );
+            }
+
+            rename( pcLogFileName, pcFullLogFileName );
+            ulSizeOfLoggingFile = 0;
+        }
+    }
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/ReadMe.md

@@ -0,0 +1,209 @@
+# FreeRTOS+TCP IPv6 Multi-Endpoint Demo
+
+The IPv6_Multi_WinSim Visual studio demo showcases the Multiple Interfaces (or
+rather the multiple endpoints) functionality of the FreeRTOS+TCP library.
+The Windows Simulator environment doesn't actually have multiple
+interfaces which can be used by FreeRTOS and thus, this demo shows
+the use of different endpoints which will be resolved by the OS having multiple
+interfaces. It shows that the library will use different endpoints (IP-addresses)
+to connect to IP-addresses on different subnets (or using different netmasks).
+
+## Setting up the workspace
+
+Clone the submodules used in the FreeRTOS repo:
+
+`git submodule update --init --recursive`
+
+Make sure the FreeRTOS+TCP submodule is pointing to the [`dev/IPv6_integration`](https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/tree/dev/IPv6_integration) branch
+by checking:
+
+``` sh
+cd FreeRTOS-Plus\Source\FreeRTOS-Plus-TCP
+git status
+```
+
+If not checkout to `dev/IPv6_integration`:
+
+`git checkout dev/IPv6_integration`
+
+Update submodules:
+
+``` sh
+git submodule update --init --recursive
+git submodule update --checkout
+```
+
+The FreeRTOS+TCP Multiple Interface Visual Studio project file is in the following
+directory: `FreeRTOS-Plus\Demo\FreeRTOS_Plus_TCP_IPv6_Demo\IPv6_Multi_WinSim_demo`
+
+In FreeRTOS_Plus_TCP_IPv6_Multi.props, you will find a couple of macros that indicate
+the location of source files:
+
+- FREERTOS_SOURCE_DIR    The kernel sources
+- FREERTOS_INCLUDE_DIR   The kernel header files
+- DEMO_COMMON_SOURCE_DIR The location of the "common" directory of the demos
+- PLUS_TCP_SOURCE_DIR    The FreeRTOS+TCP source files
+- PLUS_TCP_INCLUDE_DIR>  The FreeRTOS+TCP header files
+- UTILITIES_SOURCE_DIR   The location of the tcp_utilities directory
+
+You can changes these directory to let the project work with a different
+source tree.
+
+## Prerequisites
+
+[Optional] Running IPv4 demo [FreeRTOS_Plus_TCP_Minimal_Windows_Simulator](https://github.com/FreeRTOS/FreeRTOS/tree/main/FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Minimal_Windows_Simulator)
+The instructions are provided on the following URL, see the ["Hardware Setup" and "Software Setup"](http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/examples_FreeRTOS_simulator.html).
+This will give more hands on experience of running Echo server and client.
+
+For this demo, FreeRTOS configuration file *FreeRTOSConfig.h* needs to be updated as shown below :
+
+*Client Configuration* :
+1. `configIP_ADDR0/3`         : Setup with client IP address, when DHCP is disabled.
+2. `configNET_MASK0/3`        : Setup with the appropriate network mask.
+3. `configGATEWAY_ADDR0/3 `   : Setup with Default Gateway address of Client IP.
+4. `configDNS_SERVER_ADDR0/3` : Setup wit DNS Server address of Client IP.
+
+*Server Configuration :*
+1. `configECHO_SERVER_ADDR_STRING` as an IPv6 Server IP address for IPv6
+    validation, it can be updated to IPv4 address for IPv4 validations.
+2. `configECHO_SERVER_PORT` Needs to be setup for the Server port number.
+
+Note that, as delivered, configUSE_DHCPv6 is set to 0, so a static IP address is used.
+
+## Selecting the Examples to Run
+
+### The TCP client example:
+
+This example can be enabled by setting the `mainCREATE_TCP_ECHO_TASKS_SINGLE`
+macro to 1 at the top of the project's main.c source file.
+
+The example creates two RTOS tasks that send TCP echo requests to an external
+echo server using the echo port set in FreeRTOSConfig.h, then wait to receive
+the echo reply within the same RTOS task.
+
+The IP address of the echo server must be configured by updating the `configECHO_SERVER_ADDR_STRING`
+as IPv4 or IPv6 address and server port number must be updated as `configECHO_SERVER_PORT` in FreeRTOSConfig.h.
+The echo server must be enabled and not blocked by a firewall.
+
+### The TCP server example:
+
+This example can be enabled by setting the `mainCREATE_TCP_ECHO_SERVER_TASK`
+macro to 1 at the top of the project's main.c source file.
+
+This example creates an echo server that listens for echo requests on
+the standard echo protocol port number 7. It then echos back any data
+received on that connection.
+
+### The UDP Echo Client example
+
+The demo also demonstrates a IPv4/IPv6 UDP echo client which can be enabled by
+setting the `mainCREATE_UDP_ECHO_TASKS_SINGLE` macro to 1 in the main file.
+
+The UDP Echo Client creates a task and sends messages to the IP address and port
+defined as `configECHO_SERVER_ADDR_STRING` (either v4 or v6 address) 
+and configECHO_SERVER_PORT respectively in the FreeRTOSConfig.h file and expect to
+get echo of the messages back. There should be a UDP echo server running in the 
+given IP and port.
+
+These RTOS tasks are self checking and will trigger a configASSERT() failure if they
+detect a difference in the data that is received from that which was sent. As these
+RTOS tasks use UDP, which can legitimately loose packets, they can cause configASSERT()
+failures when they are executed in a less than perfect networking environment.
+
+#### *Note* Sample TCP and UDP echo server can be found at the last section of ReadME.
+### The IPv6_Multi_WinSim_demo demo also performs some basic network activities:
+
+- ARP address resolution for IPv4 addresses on the LAN
+- Neighbour Discovery for IPv6 addresses on the LAN
+- Looking up a IPv4 or IPv6  address using DNS, either asynchronous or synchronous.
+- Looking up a local host ( IPv4/6 ) using LLMNR ( not considered safe anymore )
+- Talk with an NTP server and fetch the time using UDP, with IPv4/6
+- Download a file from any public server using TCP/HTTP
+- Ping any server on the web or on the LAN, , with IPv4 or IPv6
+
+The demo can be easily adapted to your own needs. It works like a command line
+interface ( CLI ) that performs the above tasks. Although it is called a CLI,
+the demo does not have a STDIN. The commands are hard-coded in main.c pcCommandList.
+
+The pcCommandList options can be uncommented to run the commands. Here are some examples of
+valid command lines, using the keywords “http”, “ping”, “dnsq”, and “ntp:
+
+    "http4 google.co.uk /index.html",
+    "http6 amazon.com /index.html",
+    "ping4 10.0.1.10",
+    "ping6 2001:470:ec54::",
+    "dnsq4 yahoo.com",
+    "ping6 aws.com",
+    "ntp6a 2.europe.pool.ntp.org",
+
+The last line will first lookup the mentioned NTP server, send a request, and wait
+for a reply. The time will be printed in the logging.
+
+The keywords can have some single-letter suffices: 4 or 6 ( for IPv4/6 ), “a” to do
+an asynchronous DNS lookup, and “c” to clear all caches before starting the task.
+
+## Sample Echo server
+##### Prerequisites : [Install go](https://go.dev/doc/install)
+
+#### Sample UDP server in Go:
+``` go
+
+// Filename: echo_server.go 
+// Run: go run echo_server.go <ip_address>:<port>
+// Example IPv4:  go run echo_server.go 192.168.1.2:9000
+// Example IPv6:  go run echo_server.go [fe80::1b99:a6bd:a344:b09d]:9000
+
+package main
+
+import (
+	"fmt"
+	"net"
+	"os"
+)
+
+func main() {
+
+	if len(os.Args) == 1 {
+		fmt.Println("Please provide host:port")
+		os.Exit(1)
+	}
+
+	// Resolve the string address to a UDP address
+	udpAddr, err := net.ResolveUDPAddr("udp", os.Args[1])
+
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	// Start listening for UDP packages on the given address
+	conn, err := net.ListenUDP("udp", udpAddr)
+
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	// Read from UDP listener 
+	for {
+		var buf [1024]byte
+		_, addr, err := conn.ReadFromUDP(buf[0:])
+		if err != nil {
+			fmt.Println(err)
+			return
+		}
+
+		fmt.Print(string(buf[0:]))
+
+		// Write back the message over UDP
+		conn.WriteToUDP([]byte(buf[0:]), addr)
+	}
+}
+```
+
+The UDP Echo Client demo also demonstrates the UDP zero copy for both IPv4 and IPv6
+(based on the IP type), it can be enabled by setting `USE_ZERO_COPY` macro of the
+UDPEchoClient_SingleTasks.c file to 1.
+
+#### Sample TCP server in Go:
+[TCP Echo Server](https://github.com/aws/amazon-freertos/tree/main/tools/echo_server)

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/Read_Me_Build_Instructions.url

@@ -0,0 +1,6 @@
+[{000214A0-0000-0000-C000-000000000046}]
+Prop3=19,2
+[InternetShortcut]
+URL=http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/examples_FreeRTOS_simulator.html
+IDList=
+HotKey=0

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/TCPEchoClient_SingleTasks.c

@@ -0,0 +1,478 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/*
+ * A set of tasks are created that send TCP echo requests to the standard echo
+ * port (port 7) on the IP address set by the configECHO_SERVER_ADDR0 to
+ * configECHO_SERVER_ADDR3 constants, then wait for and verify the reply
+ * (another demo is available that demonstrates the reception being performed in
+ * a task other than that from with the request was made).
+ *
+ * See the following web page for essential demo usage and configuration
+ * details:
+ * https://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/examples_FreeRTOS_simulator.html
+ */
+
+/* Standard includes. */
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+#include "queue.h"
+
+/* FreeRTOS+TCP includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+#include "FreeRTOS_IP_Private.h"
+
+/*#include "tcp_echo_config.h" */
+
+/* Exclude the whole file if FreeRTOSIPConfig.h is configured to use UDP only. */
+#if ( ipconfigUSE_TCP == 1 )
+
+/* The echo tasks create a socket, send out a number of echo requests, listen
+ * for the echo reply, then close the socket again before starting over.  This
+ * delay is used between each iteration to ensure the network does not get too
+ * congested. */
+    #define echoLOOP_DELAY                pdMS_TO_TICKS( 2U )
+
+/* The size of the buffers is a multiple of the MSS - the length of the data
+ * sent is a pseudo random size between 20 and echoBUFFER_SIZES. */
+    #define echoBUFFER_SIZE_MULTIPLIER    ( 3 )
+    #define echoBUFFER_SIZES              ( ipconfigTCP_MSS * echoBUFFER_SIZE_MULTIPLIER )
+
+/* The number of instances of the echo client task to create. */
+    #define echoNUM_ECHO_CLIENTS          ( 1 )
+
+/*-----------------------------------------------------------*/
+
+/*
+ * Uses a socket to send data to, then receive data from, the standard echo
+ * port number 7.
+ */
+    static void prvEchoClientTask( void * pvParameters );
+
+/*
+ * Creates a pseudo random sized buffer of data to send to the echo server.
+ */
+    static BaseType_t prvCreateTxData( char * ucBuffer,
+                                       uint32_t ulBufferLength );
+
+/*-----------------------------------------------------------*/
+
+/* Rx and Tx time outs are used to ensure the sockets do not wait too long for
+ * missing data. */
+    static const TickType_t xReceiveTimeOut = pdMS_TO_TICKS( 4000 );
+    static const TickType_t xSendTimeOut = pdMS_TO_TICKS( 4000 );
+    static BaseType_t xHasStarted = pdFALSE;
+
+/* Counters for each created task - for inspection only. */
+    static uint32_t ulTxRxCycles[ echoNUM_ECHO_CLIENTS ] = { 0 },
+                    ulTxRxFailures[ echoNUM_ECHO_CLIENTS ] = { 0 },
+                    ulConnections[ echoNUM_ECHO_CLIENTS ] = { 0 };
+
+/* Rx and Tx buffers for each created task. */
+    static char cTxBuffers[ echoNUM_ECHO_CLIENTS ][ echoBUFFER_SIZES ],
+                cRxBuffers[ echoNUM_ECHO_CLIENTS ][ echoBUFFER_SIZES ];
+
+/*-----------------------------------------------------------*/
+
+    void vStartTCPEchoClientTasks_SingleTasks( uint16_t usTaskStackSize,
+                                               UBaseType_t uxTaskPriority )
+    {
+        if( xHasStarted == pdFALSE )
+        {
+            BaseType_t xCount = 0;
+            BaseType_t x;
+
+            xHasStarted = pdTRUE;
+
+            /* Create the echo client tasks. */
+            for( x = 0; x < echoNUM_ECHO_CLIENTS; x++ )
+            {
+                char ucName[ 16 ];
+                snprintf( ucName, sizeof ucName, "echo_%02d", ( int ) x );
+                BaseType_t rc = xTaskCreate( prvEchoClientTask, /* The function that implements the task. */
+                                             ucName,            /* Just a text name for the task to aid debugging. */
+                                             usTaskStackSize,   /* The stack size is defined in FreeRTOSIPConfig.h. */
+                                             ( void * ) x,      /* The task parameter, not used in this case. */
+                                             uxTaskPriority,    /* The priority assigned to the task is defined in FreeRTOSConfig.h. */
+                                             NULL );            /* The task handle is not used. */
+
+                if( rc == pdPASS )
+                {
+                    xCount++;
+                }
+            }
+
+            FreeRTOS_printf( ( "Started %d / %d tasks\n", ( int ) xCount, ( int ) echoNUM_ECHO_CLIENTS ) );
+        }
+        else
+        {
+            FreeRTOS_printf( ( "vStartTCPEchoClientTasks_SingleTasks: already started\n" ) );
+        }
+    }
+/*-----------------------------------------------------------*/
+
+    static BaseType_t xIsFatalError( BaseType_t xCode )
+    {
+        BaseType_t xReturn = pdFALSE;
+
+        if( ( xCode < 0 ) && ( xCode != -pdFREERTOS_ERRNO_EWOULDBLOCK ) )
+        {
+            xReturn = pdTRUE;
+        }
+
+        return xReturn;
+    }
+/*-----------------------------------------------------------*/
+
+    static void prvEchoClientTask( void * pvParameters )
+    {
+        Socket_t xSocket;
+        struct freertos_sockaddr xEchoServerAddress;
+        int32_t lLoopCount = 0UL;
+        const int32_t lMaxLoopCount = 1;
+        volatile uint32_t ulTxCount = 0UL;
+        BaseType_t xReceivedBytes, xReturned, xInstance;
+        BaseType_t lTransmitted, lStringLength;
+        char * pcTransmittedString, * pcReceivedString;
+        WinProperties_t xWinProps;
+        TickType_t xTimeOnEntering;
+        TickType_t uxDuration = 0;
+        size_t xTotalSent = 0U;
+        size_t xTotalRecv = 0U;
+        BaseType_t xFamily = FREERTOS_AF_INET;
+
+        /* Fill in the buffer and window sizes that will be used by the socket. */
+        #ifdef _WINDOWS_
+            xWinProps.lTxBufSize = 8 * ipconfigTCP_MSS;
+            xWinProps.lTxWinSize = 5;
+            xWinProps.lRxBufSize = 8 * ipconfigTCP_MSS;
+            xWinProps.lRxWinSize = 5;
+        #else
+            xWinProps.lTxBufSize = 3 * ipconfigTCP_MSS;
+            xWinProps.lTxWinSize = 2;
+            xWinProps.lRxBufSize = 3 * ipconfigTCP_MSS;
+            xWinProps.lRxWinSize = 2;
+        #endif
+
+        /* This task can be created a number of times.  Each instance is numbered
+         * to enable each instance to use a different Rx and Tx buffer.  The number is
+         * passed in as the task's parameter. */
+        xInstance = ( BaseType_t ) pvParameters;
+
+        /* Point to the buffers to be used by this instance of this task. */
+        pcTransmittedString = &( cTxBuffers[ xInstance ][ 0 ] );
+        pcReceivedString = &( cRxBuffers[ xInstance ][ 0 ] );
+
+        memset( &xEchoServerAddress, 0, sizeof( xEchoServerAddress ) );
+
+        /* Echo requests are sent to the echo server.  The address of the echo
+         * server is configured by the constants configECHO_SERVER_ADDR0 to
+         * configECHO_SERVER_ADDR3 in FreeRTOSConfig.h. */
+
+        #ifdef configECHO_SERVER_ADDR_STRING
+            {
+                BaseType_t rc = FreeRTOS_inet_pton( FREERTOS_AF_INET6, configECHO_SERVER_ADDR_STRING, ( void * ) xEchoServerAddress.sin_address.xIP_IPv6.ucBytes );
+
+                if( rc == pdPASS )
+                {
+                    xFamily = FREERTOS_AF_INET6;
+                }
+                else
+                {
+                    rc = FreeRTOS_inet_pton( FREERTOS_AF_INET4, configECHO_SERVER_ADDR_STRING, ( void * ) xEchoServerAddress.sin_address.xIP_IPv6.ucBytes );
+                    configASSERT( rc == pdPASS );
+                    xFamily = FREERTOS_AF_INET4;
+                }
+            }
+        #else  /* ifdef configECHO_SERVER_ADDR_STRING */
+            {
+                xEchoServerAddress.sin_address.ulIP_IPv4 = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0, configECHO_SERVER_ADDR1, configECHO_SERVER_ADDR2, configECHO_SERVER_ADDR3 );
+            }
+        #endif /* ifdef configECHO_SERVER_ADDR_STRING */
+
+        xEchoServerAddress.sin_len = sizeof( xEchoServerAddress );
+        xEchoServerAddress.sin_port = FreeRTOS_htons( configECHO_SERVER_PORT );
+        xEchoServerAddress.sin_family = xFamily;
+
+        for( ; ; )
+        {
+            BaseType_t xResult;
+            /* Create a TCP socket. */
+            xSocket = FreeRTOS_socket( xFamily, FREERTOS_SOCK_STREAM, FREERTOS_IPPROTO_TCP );
+            configASSERT( xSocket != FREERTOS_INVALID_SOCKET );
+
+            /* Set a time out so a missing reply does not cause the task to block
+             * indefinitely. */
+            FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_RCVTIMEO, &xReceiveTimeOut, sizeof( xReceiveTimeOut ) );
+            FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_SNDTIMEO, &xSendTimeOut, sizeof( xSendTimeOut ) );
+
+            /* Set the window and buffer sizes. */
+            FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_WIN_PROPERTIES, ( void * ) &xWinProps, sizeof( xWinProps ) );
+            xTotalSent = 0U;
+            xTotalRecv = 0U;
+
+            /* Connect to the echo server. */
+            xResult = FreeRTOS_connect( xSocket, &xEchoServerAddress, sizeof( xEchoServerAddress ) );
+            FreeRTOS_printf( ( "FreeRTOS_connect returns %d\n", ( int ) xResult ) );
+
+            if( xResult == 0 )
+            {
+                ulConnections[ xInstance ]++;
+
+                /* Send a number of echo requests. */
+                for( lLoopCount = 0; lLoopCount < lMaxLoopCount; lLoopCount++ )
+                {
+                    /* Create the string that is sent to the echo server. */
+                    lStringLength = prvCreateTxData( pcTransmittedString, echoBUFFER_SIZES );
+
+                    /* Add in some unique text at the front of the string. */
+                    sprintf( pcTransmittedString, "TxRx message number %u", ( unsigned ) ulTxCount );
+                    ulTxCount++;
+
+                    if( lLoopCount == ( lMaxLoopCount - 1 ) )
+                    {
+                        BaseType_t xTrue = pdTRUE;
+                        /*	FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_CLOSE_AFTER_SEND, &xTrue, sizeof( xTrue ) ); */
+                    }
+
+                    /* Send the string to the socket. */
+                    lTransmitted = FreeRTOS_send( xSocket,                        /* The socket being sent to. */
+                                                  ( void * ) pcTransmittedString, /* The data being sent. */
+                                                  lStringLength,                  /* The length of the data being sent. */
+                                                  0 );                            /* No flags. */
+                    FreeRTOS_printf( ( "FreeRTOS_send: %u/%u\n", ( unsigned ) lTransmitted, ( unsigned ) lStringLength ) );
+
+                    if( xIsFatalError( lTransmitted ) )
+                    {
+                        /* Error? */
+                        break;
+                    }
+
+                    xTotalSent += lTransmitted;
+
+                    /* Clear the buffer into which the echoed string will be
+                     * placed. */
+                    memset( ( void * ) pcReceivedString, 0x00, echoBUFFER_SIZES );
+                    xReceivedBytes = 0;
+
+                    /* Receive data echoed back to the socket. */
+                    while( xReceivedBytes < lTransmitted )
+                    {
+                        xReturned = FreeRTOS_recv( xSocket,                                 /* The socket being received from. */
+                                                   &( pcReceivedString[ xReceivedBytes ] ), /* The buffer into which the received data will be written. */
+                                                   lStringLength - xReceivedBytes,          /* The size of the buffer provided to receive the data. */
+                                                   0 );                                     /* No flags. */
+
+                        if( xIsFatalError( xReturned ) )
+                        {
+                            /* Error occurred.  Latch it so it can be detected
+                             * below. */
+                            break;
+                        }
+
+                        if( xReturned == 0 )
+                        {
+                            /* Timed out. */
+                            FreeRTOS_printf( ( "recv returned %u\n", ( unsigned ) xReturned ) );
+                            break;
+                        }
+
+                        /* Keep a count of the bytes received so far. */
+                        xReceivedBytes += xReturned;
+                        xTotalRecv += xReturned;
+                    }
+
+                    /* If an error occurred it will be latched in xReceivedBytes,
+                     * otherwise xReceived bytes will be just that - the number of
+                     * bytes received from the echo server. */
+                    if( xReceivedBytes > 0 )
+                    {
+                        /* Compare the transmitted string to the received string. */
+                        configASSERT( strncmp( pcReceivedString, pcTransmittedString, lTransmitted ) == 0 );
+
+                        if( strncmp( pcReceivedString, pcTransmittedString, lTransmitted ) == 0 )
+                        {
+                            /* The echo reply was received without error. */
+                            ulTxRxCycles[ xInstance ]++;
+                        }
+                        else
+                        {
+                            /* The received string did not match the transmitted
+                             * string. */
+                            ulTxRxFailures[ xInstance ]++;
+                            break;
+                        }
+                    }
+                    else if( xIsFatalError( xReturned ) )
+                    {
+                        /* FreeRTOS_recv() returned an error. */
+                        break;
+                    }
+                    else
+                    {
+                        /* Timed out without receiving anything? */
+                        break;
+                    }
+                }
+
+                /* Finished using the connected socket, initiate a graceful close:
+                 * FIN, FIN+ACK, ACK. */
+                FreeRTOS_shutdown( xSocket, FREERTOS_SHUT_RDWR );
+
+                /* Expect FreeRTOS_recv() to return an error once the shutdown is
+                 * complete. */
+                xTimeOnEntering = xTaskGetTickCount();
+
+                do
+                {
+                    xReturned = FreeRTOS_recv( xSocket,                    /* The socket being received from. */
+                                               &( pcReceivedString[ 0 ] ), /* The buffer into which the received data will be written. */
+                                               echoBUFFER_SIZES,           /* The size of the buffer provided to receive the data. */
+                                               0 );
+
+                    uxDuration = ( xTaskGetTickCount() - xTimeOnEntering );
+
+                    if( xReturned < 0 )
+                    {
+                        break;
+                    }
+                } while( uxDuration < xReceiveTimeOut );
+            }
+
+            FreeRTOS_printf( ( "Instance[%u]: Good %u/%u shutdown %u\n",
+                               ( unsigned ) xInstance,
+                               ( unsigned ) ( ulTxRxCycles[ xInstance ] - ulTxRxFailures[ xInstance ] ),
+                               ( unsigned ) ( ulTxRxCycles[ xInstance ] ),
+                               ( unsigned ) uxDuration ) );
+            FreeRTOS_printf( ( "%u x %u = %u Exchange %u/%u\n",
+                               ( unsigned ) echoBUFFER_SIZE_MULTIPLIER,
+                               ( unsigned ) echoBUFFER_SIZES,
+                               ( unsigned ) ( echoBUFFER_SIZE_MULTIPLIER * echoBUFFER_SIZES ),
+                               ( unsigned ) xTotalSent,
+                               ( unsigned ) xTotalRecv ) );
+
+            /* Close this socket before looping back to create another. */
+            FreeRTOS_closesocket( xSocket );
+
+            /* Pause for a short while to ensure the network is not too
+             * congested. */
+            vTaskDelay( echoLOOP_DELAY );
+        }
+    }
+/*-----------------------------------------------------------*/
+
+    static BaseType_t prvCreateTxData( char * cBuffer,
+                                       uint32_t ulBufferLength )
+    {
+        BaseType_t lCharactersToAdd, lCharacter;
+        char cChar = '0';
+        const BaseType_t lMinimumLength = 60;
+        uint32_t ulRandomNumber;
+        static uint32_t ulNextnumber = 1U;
+
+        /* Randomise the number of characters that will be sent in the echo
+         * request. */
+        do
+        {
+            ( void ) xApplicationGetRandomNumber( &ulRandomNumber );
+            lCharactersToAdd = ulRandomNumber % ( ulBufferLength - 20UL );
+        } while( ( lCharactersToAdd == 0 ) || ( lCharactersToAdd < lMinimumLength ) ); /* Must be at least enough to add the unique text to the start of the string later. */
+
+        /* Fill the buffer. */
+        for( lCharacter = 0; lCharacter < lCharactersToAdd; lCharacter++ )
+        {
+            cBuffer[ lCharacter ] = cChar;
+            cChar++;
+
+            if( cChar > '~' )
+            {
+                cChar = '0';
+            }
+        }
+
+        {
+            /* Replace the string "0123456789" with an increasing number. */
+            char pcBuf[ 16 ];
+            char * pcPtr = cBuffer;
+            const char * ucLast = &( cBuffer[ ulBufferLength ] );
+
+            for( ; ; )
+            {
+                char * next = strchr( pcPtr, '0' );
+
+                if( ( next == NULL ) || ( ( next + 10 ) >= ucLast ) )
+                {
+                    break;
+                }
+
+                snprintf( pcBuf, sizeof pcBuf, "%010u", ulNextnumber );
+                memcpy( next, pcBuf, 10 );
+                ulNextnumber++;
+                pcPtr = next + 10;
+            }
+        }
+        return lCharactersToAdd;
+    }
+/*-----------------------------------------------------------*/
+
+    BaseType_t xAreSingleTaskTCPEchoClientsStillRunning( void )
+    {
+        static uint32_t ulLastEchoSocketCount[ echoNUM_ECHO_CLIENTS ] = { 0 }, ulLastConnections[ echoNUM_ECHO_CLIENTS ] = { 0 };
+        BaseType_t xReturn = pdPASS, x;
+
+        /* Return fail is the number of cycles does not increment between
+         * consecutive calls. */
+        for( x = 0; x < echoNUM_ECHO_CLIENTS; x++ )
+        {
+            if( ulTxRxCycles[ x ] == ulLastEchoSocketCount[ x ] )
+            {
+                xReturn = pdFAIL;
+            }
+            else
+            {
+                ulLastEchoSocketCount[ x ] = ulTxRxCycles[ x ];
+            }
+
+            if( ulConnections[ x ] == ulLastConnections[ x ] )
+            {
+                xReturn = pdFAIL;
+            }
+            else
+            {
+                ulConnections[ x ] = ulLastConnections[ x ];
+            }
+        }
+
+        return xReturn;
+    }
+
+#endif /* ipconfigUSE_TCP */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/TCPEchoClient_SingleTasks.h

@@ -0,0 +1,38 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef SINGLE_TASK_TCP_ECHO_CLIENTS_H
+#define SINGLE_TASK_TCP_ECHO_CLIENTS_H
+
+/*
+ * Create the TCP echo client tasks.  This is the version where an echo request
+ * is made from the same task that listens for the echo reply.
+ */
+void vStartTCPEchoClientTasks_SingleTasks( uint16_t usTaskStackSize,
+                                           UBaseType_t uxTaskPriority );
+BaseType_t xAreSingleTaskTCPEchoClientsStillRunning( void );
+
+#endif /* SINGLE_TASK_TCP_ECHO_CLIENTS_H */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/UDPEchoClient_SingleTasks.c

@@ -0,0 +1,294 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+ /*
+  * A set of tasks are created that send UDP echo requests to the 
+  * IP address set by the configECHO_SERVER_ADDR0 to
+  * configECHO_SERVER_ADDR_STRING constant, then wait for and verify the reply
+  *
+  * See the following web page for essential demo usage and configuration
+  * details:
+  * https://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/examples_FreeRTOS_simulator.html
+  */
+
+  /* Standard includes. */
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+#include "queue.h"
+
+/* FreeRTOS+TCP includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+#include "FreeRTOS_IP_Private.h"
+
+
+#define USE_ZERO_COPY               ( 1 )
+
+/* The echo tasks create a socket, send out a number of echo requests, listen
+for the echo reply, then close the socket again before starting over.  This
+delay is used between each iteration to ensure the network does not get too
+congested. */
+#define echoLOOP_DELAY	pdMS_TO_TICKS( 2U )
+
+/* The number of instances of the echo client task to create. */
+#define echoNUM_ECHO_CLIENTS		( 1 )
+
+#define TX_RX_STR_SIZE              ( 25 )
+
+/* Rx and Tx time outs are used to ensure the sockets do not wait too long for
+missing data. */
+static const TickType_t xReceiveTimeOut = pdMS_TO_TICKS(4000);
+static const TickType_t xSendTimeOut = pdMS_TO_TICKS(4000);
+static BaseType_t xHasStarted = pdFALSE;
+
+/*
+* UDP echo client task
+*/
+static void prvUDPEchoClientTask(void* pvParameters);
+
+void vStartUDPEchoClientTasks_SingleTasks(uint16_t usTaskStackSize, UBaseType_t uxTaskPriority)
+{
+
+    if (xHasStarted == pdFALSE)
+    {
+        BaseType_t xCount = 0;
+        BaseType_t x;
+
+        xHasStarted = pdTRUE;
+        /* Create the echo client tasks. */
+        for (x = 0; x < echoNUM_ECHO_CLIENTS; x++)
+        {
+            char ucName[16];
+            snprintf(ucName, sizeof ucName, "echo_%02d", (int)x);
+            BaseType_t rc = xTaskCreate(prvUDPEchoClientTask,	/* The function that implements the task. */
+                ucName,				/* Just a text name for the task to aid debugging. */
+                usTaskStackSize,	/* The stack size is defined in FreeRTOSIPConfig.h. */
+                (void*)x,		/* The task parameter, not used in this case. */
+                uxTaskPriority,		/* The priority assigned to the task is defined in FreeRTOSConfig.h. */
+                NULL);				/* The task handle is not used. */
+            if (rc == pdPASS)
+            {
+                xCount++;
+            }
+        }
+        FreeRTOS_printf(("Started %d / %d tasks\n", (int)xCount, (int)echoNUM_ECHO_CLIENTS));
+    }
+    else
+    {
+        FreeRTOS_printf(("vStartUDPEchoClientTasks_SingleTasks: already started\n"));
+    }
+}
+/*-----------------------------------------------------------*/
+
+static void prvUDPEchoClientTask(void* pvParameters)
+{
+    Socket_t xSocket;
+    struct freertos_sockaddr xEchoServerAddress, xRxAddress;
+    int8_t cTxString[TX_RX_STR_SIZE], cRxString[TX_RX_STR_SIZE]; /* Make sure the stack is large enough to hold these.  Turn on stack overflow checking during debug to be sure. */
+    int32_t lLoopCount = 0UL;
+    int32_t lReturned;
+    const int32_t lMaxLoopCount = 50;
+    volatile uint32_t ulRxCount = 0UL, ulTxCount = 0UL;
+    uint32_t xAddressLength = sizeof(xEchoServerAddress);
+    BaseType_t xFamily = FREERTOS_AF_INET;
+    uint8_t ucIPType = ipTYPE_IPv4;
+
+    /* Remove compiler warning about unused parameters. */
+    (void)pvParameters;
+
+    memset(&xEchoServerAddress, 0, sizeof(xEchoServerAddress));
+    memset(&xRxAddress, 0, sizeof(xRxAddress));
+    /* Echo requests are sent to the echo server.  The address of the echo
+    server is configured by the constants configECHO_SERVER_ADDR0 to
+    configECHO_SERVER_ADDR3 in FreeRTOSConfig.h. */
+
+#ifdef configECHO_SERVER_ADDR_STRING
+    {
+        BaseType_t rc = FreeRTOS_inet_pton(FREERTOS_AF_INET6, configECHO_SERVER_ADDR_STRING, (void*)xEchoServerAddress.sin_address.xIP_IPv6.ucBytes);
+        if (rc == pdPASS)
+        {
+            xFamily = FREERTOS_AF_INET6;
+            ucIPType = ipTYPE_IPv6;
+        }
+        else
+        {
+            rc = FreeRTOS_inet_pton(FREERTOS_AF_INET4, configECHO_SERVER_ADDR_STRING, (void*) &(xEchoServerAddress.sin_address.ulIP_IPv4));
+            configASSERT(rc == pdPASS);
+            xFamily = FREERTOS_AF_INET4;
+            ucIPType = ipTYPE_IPv4;
+        }
+    }
+#else
+    {
+        xEchoServerAddress.sin_address.ulIP_IPv4 = FreeRTOS_inet_addr_quick(configECHO_SERVER_ADDR0, configECHO_SERVER_ADDR1, configECHO_SERVER_ADDR2, configECHO_SERVER_ADDR3);
+    }
+#endif
+
+    xEchoServerAddress.sin_len = sizeof(xEchoServerAddress);
+    xEchoServerAddress.sin_port = FreeRTOS_htons(configECHO_SERVER_PORT);
+    xEchoServerAddress.sin_family = xFamily;
+
+
+    for (;; )
+    {
+        /* Create a socket. */
+        xSocket = FreeRTOS_socket(xFamily, FREERTOS_SOCK_DGRAM, FREERTOS_IPPROTO_UDP);
+        configASSERT(xSocket != FREERTOS_INVALID_SOCKET);
+
+        /* Set a time out so a missing reply does not cause the task to block
+        indefinitely. */
+        FreeRTOS_setsockopt(xSocket, 0, FREERTOS_SO_RCVTIMEO, &xReceiveTimeOut, sizeof(xReceiveTimeOut));
+
+        /* Send a number of echo requests. */
+        for (lLoopCount = 0; lLoopCount < lMaxLoopCount; lLoopCount++)
+        {
+            /* Create the string that is sent to the echo server. */
+            sprintf((char*)cTxString, "Message number %u\r\n", ulTxCount);
+
+#if USE_ZERO_COPY
+
+            /*
+            * First obtain a buffer of adequate length from the TCP/IP stack into which
+            * the string will be written. */
+            uint8_t* pucBuffer = FreeRTOS_GetUDPPayloadBuffer_Multi(TX_RX_STR_SIZE, portMAX_DELAY, ucIPType);
+            configASSERT(pucBuffer != NULL);
+            memcpy(pucBuffer, &cTxString, strlen((const char*)cTxString) + 1);
+
+            /* Send the string to the socket.  ulFlags is set to 0, so the zero
+            copy interface is not used.  That means the data from cTxString is
+            copied into a network buffer inside FreeRTOS_sendto(), and cTxString
+            can be reused as soon as FreeRTOS_sendto() has returned.  1 is added
+            to ensure the NULL string terminator is sent as part of the message. */
+            lReturned = FreeRTOS_sendto(xSocket,				/* The socket being sent to. */
+                (void*)pucBuffer,	/* The data being sent. */
+                strlen((const char*)pucBuffer) + 1, /* The length of the data being sent. */
+                FREERTOS_ZERO_COPY,						/* ulFlags with the FREERTOS_ZERO_COPY bit clear. */
+                &xEchoServerAddress,	/* The destination address. */
+                sizeof(xEchoServerAddress));
+
+#else
+
+            /* Send the string to the socket.  ulFlags is set to 0, so the zero
+            copy interface is not used.  That means the data from cTxString is
+            copied into a network buffer inside FreeRTOS_sendto(), and cTxString
+            can be reused as soon as FreeRTOS_sendto() has returned.  1 is added
+            to ensure the NULL string terminator is sent as part of the message. */
+            lReturned = FreeRTOS_sendto(xSocket,				/* The socket being sent to. */
+                (void*)cTxString,	/* The data being sent. */
+                strlen((const char*)cTxString) + 1, /* The length of the data being sent. */
+                0,						/* ulFlags with the FREERTOS_ZERO_COPY bit clear. */
+                &xEchoServerAddress,	/* The destination address. */
+                sizeof(xEchoServerAddress));
+
+#endif
+
+            if (lReturned == 0)
+            {
+                /* The send operation failed. */
+            }
+            else
+            {
+                /* The send was successful. */
+                FreeRTOS_debug_printf(("[Echo Client] Data sent...  \r\n"));
+            }
+
+            /* Keep a count of how many echo requests have been transmitted so
+            it can be compared to the number of echo replies received.  It would
+            be expected to loose at least one to an ARP message the first time
+            the	connection is created. */
+            ulTxCount++;
+
+            /* Receive data echoed back to the socket.  ulFlags is zero, so the
+            zero copy option is not being used and the received data will be
+            copied into the buffer pointed to by cRxString.  xAddressLength is
+            not actually used (at the time of writing this comment, anyway) by
+            FreeRTOS_recvfrom(), but is set appropriately in case future
+            versions do use it. */
+
+            memset((void*)cRxString, 0x00, sizeof(cRxString));
+
+
+#if USE_ZERO_COPY
+
+            uint8_t* pucReceivedUDPPayload = NULL;
+            lReturned = FreeRTOS_recvfrom(xSocket,
+                &pucReceivedUDPPayload,
+                0,
+                FREERTOS_ZERO_COPY,
+                &xRxAddress,
+                &xAddressLength);
+
+            if (pucReceivedUDPPayload != NULL) {
+                memcpy((void*)(cRxString), pucReceivedUDPPayload, TX_RX_STR_SIZE);
+
+                FreeRTOS_ReleaseUDPPayloadBuffer((void*)pucReceivedUDPPayload);
+            }
+#else
+
+            lReturned = FreeRTOS_recvfrom(xSocket,				/* The socket being received from. */
+                cRxString,				/* The buffer into which the received data will be written. */
+                sizeof(cRxString),	/* The size of the buffer provided to receive the data. */
+                0,						/* ulFlags with the FREERTOS_ZERO_COPY bit clear. */
+                &xRxAddress,	/* The address from where the data was sent (the source address). */
+                &xAddressLength);
+
+#endif /* USE_ZERO_COPY */
+
+
+
+            if (lReturned > 0)
+            {
+                /* Compare the transmitted string to the received string. */
+                if (strcmp((char*)cRxString, (char*)cTxString) == 0)
+                {
+                    /* The echo reply was received without error. */
+                    ulRxCount++;
+                    FreeRTOS_debug_printf(("[Echo Client] Data was received correctly.\r\n"));
+                }
+                else
+                {
+                    FreeRTOS_debug_printf(("[Echo Client] Data received was erreneous.\r\n"));
+                }
+            }
+            else
+            {
+                FreeRTOS_debug_printf(("[Echo Client] Data was not received\r\n"));
+            }
+        }
+
+        /* Pause for a short while to ensure the network is not too
+        congested. */
+        vTaskDelay(echoLOOP_DELAY);
+
+        /* Close this socket before looping back to create another. */
+        FreeRTOS_closesocket(xSocket);
+    }
+}

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/UDPEchoClient_SingleTasks.h

@@ -0,0 +1,36 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef SINGLE_TASK_UDP_ECHO_CLIENTS_H
+#define SINGLE_TASK_UDP_ECHO_CLIENTS_H
+
+ /*
+  * Create the UDP echo client tasks.  This is the version where an echo request
+  * is made from the same task that listens for the echo reply.
+  */
+void vStartUDPEchoClientTasks_SingleTasks(uint16_t usTaskStackSize, UBaseType_t uxTaskPriority);
+
+#endif /* SINGLE_TASK_UDP_ECHO_CLIENTS_H */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/WIN32.vcxproj

@@ -0,0 +1,281 @@
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+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_IP_Private.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\NetworkBufferManagement.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_ARP.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_DHCP.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_DNS_Cache.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_DNS_Callback.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_DNS_Globals.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_DNS_Networking.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_DNS_Parser.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_errno_TCP.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_ICMP.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_IP.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_IP_Timers.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_IP_Utils.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_TCP_IP.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_TCP_Reception.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_TCP_State_Handling.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_TCP_Transmission.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_TCP_Utils.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_TCP_WIN.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_Routing.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_BitConfig.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_DHCPv6.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_ND.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOSIPConfigDefaults.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\IPTraceMacroDefaults.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="$(PLUS_TCP_INCLUDE_DIR)\FreeRTOS_Stream_Buffer.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="FreeRTOSConfig.h" />
+    <ClInclude Include="FreeRTOSIPConfig.h" />
+    <ClInclude Include="$(FREERTOS_SOURCE_DIR)\portable\MSVC-MingW\portmacro.h" />
+    <ClInclude Include="..\..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IP_Common.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv4.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv4_Private.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv4_Sockets.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv4_Utils.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv6.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv6_Private.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv6_Sockets.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv6_Utils.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="TCPEchoClient_SingleTasks.h" />
+    <ClInclude Include="UDPEchoClient_SingleTasks.h" />
+  </ItemGroup>
+</Project>

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/Logging/include/ReadMe_Logging.url

@@ -0,0 +1,5 @@
+[{000214A0-0000-0000-C000-000000000046}]
+Prop3=19,11
+[InternetShortcut]
+IDList=
+URL=https://www.freertos.org/logging.html

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/Logging/include/logging.h

@@ -0,0 +1,46 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef DEMO_LOGGING_H
+#define DEMO_LOGGING_H
+
+/*
+ * Initialize a logging system that can be used from FreeRTOS tasks and Win32
+ * threads.  Do not call printf() directly while the scheduler is running.
+ *
+ * Set xLogToStdout, xLogToFile and xLogToUDP to either pdTRUE or pdFALSE to
+ * lot to stdout, a disk file and a UDP port respectively.
+ *
+ * If xLogToUDP is pdTRUE then ulRemoteIPAddress and usRemotePort must be set
+ * to the IP address and port number to which UDP log messages will be sent.
+ */
+void vLoggingInit( BaseType_t xLogToStdout,
+                   BaseType_t xLogToFile,
+                   BaseType_t xLogToUDP,
+                   uint32_t ulRemoteIPAddress,
+                   uint16_t usRemotePort );
+
+#endif /* DEMO_LOGGING_H */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/Logging/include/logging_levels.h

@@ -0,0 +1,113 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file logging_levels.h
+ * @brief Defines the configuration constants for all logging verbosity levels.
+ */
+
+#ifndef LOGGING_LEVELS_H
+#define LOGGING_LEVELS_H
+
+/**
+ * @constantspage{logging,logging library}
+ *
+ * @section logging_constants_levels Log levels
+ * @brief Log levels for the libraries in this SDK.
+ *
+ * Each library should specify a log level by setting @ref LIBRARY_LOG_LEVEL.
+ * All log messages with a level at or below the specified level will be printed
+ * for that library.
+ *
+ * Currently, there are 4 log levels. In the order of lowest to highest, they are:
+ * - #LOG_NONE <br>
+ *   @copybrief LOG_NONE
+ * - #LOG_ERROR <br>
+ *   @copybrief LOG_ERROR
+ * - #LOG_WARN <br>
+ *   @copybrief LOG_WARN
+ * - #LOG_INFO <br>
+ *   @copybrief LOG_INFO
+ * - #LOG_DEBUG <br>
+ *   @copybrief LOG_DEBUG
+ */
+
+/**
+ * @brief No log messages.
+ *
+ * When @ref LIBRARY_LOG_LEVEL is #LOG_NONE, logging is disabled and no
+ * logging messages are printed.
+ */
+#define LOG_NONE     0
+
+/**
+ * @brief Represents erroneous application state or event.
+ *
+ * These messages describe the situations when a library encounters an error from
+ * which it cannot recover.
+ *
+ * These messages are printed when @ref LIBRARY_LOG_LEVEL is defined as either
+ * of #LOG_ERROR, #LOG_WARN, #LOG_INFO or #LOG_DEBUG.
+ */
+#define LOG_ERROR    1
+
+/**
+ * @brief Message about an abnormal event.
+ *
+ * These messages describe the situations when a library encounters
+ * abnormal event that may be indicative of an error. Libraries continue
+ * execution after logging a warning.
+ *
+ * These messages are printed when @ref LIBRARY_LOG_LEVEL is defined as either
+ * of #LOG_WARN, #LOG_INFO or #LOG_DEBUG.
+ */
+#define LOG_WARN     2
+
+/**
+ * @brief A helpful, informational message.
+ *
+ * These messages describe normal execution of a library. They provide
+ * the progress of the program at a coarse-grained level.
+ *
+ * These messages are printed when @ref LIBRARY_LOG_LEVEL is defined as either
+ * of #LOG_INFO or #LOG_DEBUG.
+ */
+#define LOG_INFO     3
+
+/**
+ * @brief Detailed and excessive debug information.
+ *
+ * Debug log messages are used to provide the
+ * progress of the program at a fine-grained level. These are mostly used
+ * for debugging and may contain excessive information such as internal
+ * variables, buffers, or other specific information.
+ *
+ * These messages are only printed when @ref LIBRARY_LOG_LEVEL is defined as
+ * #LOG_DEBUG.
+ */
+#define LOG_DEBUG    4
+
+#endif /* ifndef LOGGING_LEVELS_H */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/Logging/include/logging_stack.h

@@ -0,0 +1,129 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file logging_stack.h
+ * @brief Utility header file that exposes macros for configuring logging implementation of logging macros (LogError, LogWarn, LogInfo, LogDebug).
+ */
+
+#ifndef LOGGING_STACK_H
+#define LOGGING_STACK_H
+
+/* Include header for logging level macros. */
+#include "logging_levels.h"
+
+/* Standard Include. */
+#include <stdio.h>
+#include <stdint.h>
+
+/**
+ * @brief The name of the library or demo to add as metadata in log messages
+ * from the library or demo.
+ *
+ * This metadata aids in identifying the module source of log messages.
+ * The metadata is logged in the format `[ <LIBRARY-NAME> ]` as a prefix to the
+ * log messages.
+ * Refer to #LOG_METADATA_FORMAT for the complete format of the metadata prefix in
+ * log messages.
+ */
+/* Check if LIBRARY_LOG_NAME macro has been defined. */
+#if !defined( LIBRARY_LOG_NAME )
+    #error "Please define LIBRARY_LOG_NAME for the library."
+#endif
+
+/* Metadata information to prepend to every log message. */
+#ifndef LOG_METADATA_FORMAT
+    #define LOG_METADATA_FORMAT    "[%s:%d] "                  /**< @brief Format of metadata prefix in log messages. */
+#endif
+
+#ifndef LOG_METADATA_ARGS
+    #define LOG_METADATA_ARGS    __FUNCTION__, __LINE__  /**< @brief Arguments into the metadata logging prefix format. */
+#endif
+
+/**
+ * @brief Common macro that maps all the logging interfaces,
+ * (#LogDebug, #LogInfo, #LogWarn, #LogError) to the platform-specific logging
+ * function.
+ *
+ * @note The default definition of the macro is an empty definition that does not
+ * generate any logging.
+ */
+#ifndef SdkLog
+    #define SdkLog( string )
+#endif
+
+/**
+ * Disable definition of logging interface macros when generating doxygen output,
+ * to avoid conflict with documentation of macros at the end of the file.
+ */
+/* Check that LIBRARY_LOG_LEVEL is defined and has a valid value. */
+#if !defined( LIBRARY_LOG_LEVEL ) ||       \
+    ( ( LIBRARY_LOG_LEVEL != LOG_NONE ) && \
+    ( LIBRARY_LOG_LEVEL != LOG_ERROR ) &&  \
+    ( LIBRARY_LOG_LEVEL != LOG_WARN ) &&   \
+    ( LIBRARY_LOG_LEVEL != LOG_INFO ) &&   \
+    ( LIBRARY_LOG_LEVEL != LOG_DEBUG ) )
+    #error "Please define LIBRARY_LOG_LEVEL as either LOG_NONE, LOG_ERROR, LOG_WARN, LOG_INFO, or LOG_DEBUG."
+#else
+    #if LIBRARY_LOG_LEVEL == LOG_DEBUG
+        /* All log level messages will logged. */
+        #define LogError( message )    SdkLog( ( "[ERROR] [%s] "LOG_METADATA_FORMAT, LIBRARY_LOG_NAME, LOG_METADATA_ARGS ) ); SdkLog( message ); SdkLog( ( "\r\n" ) )
+        #define LogWarn( message )     SdkLog( ( "[WARN] [%s] "LOG_METADATA_FORMAT, LIBRARY_LOG_NAME, LOG_METADATA_ARGS ) ); SdkLog( message ); SdkLog( ( "\r\n" ) )
+        #define LogInfo( message )     SdkLog( ( "[INFO] [%s] "LOG_METADATA_FORMAT, LIBRARY_LOG_NAME, LOG_METADATA_ARGS ) ); SdkLog( message ); SdkLog( ( "\r\n" ) )
+        #define LogDebug( message )    SdkLog( ( "[DEBUG] [%s] "LOG_METADATA_FORMAT, LIBRARY_LOG_NAME, LOG_METADATA_ARGS ) ); SdkLog( message ); SdkLog( ( "\r\n" ) )
+
+    #elif LIBRARY_LOG_LEVEL == LOG_INFO
+        /* Only INFO, WARNING and ERROR messages will be logged. */
+        #define LogError( message )    SdkLog( ( "[ERROR] [%s] "LOG_METADATA_FORMAT, LIBRARY_LOG_NAME, LOG_METADATA_ARGS ) ); SdkLog( message ); SdkLog( ( "\r\n" ) )
+        #define LogWarn( message )     SdkLog( ( "[WARN] [%s] "LOG_METADATA_FORMAT, LIBRARY_LOG_NAME, LOG_METADATA_ARGS ) ); SdkLog( message ); SdkLog( ( "\r\n" ) )
+        #define LogInfo( message )     SdkLog( ( "[INFO] [%s] "LOG_METADATA_FORMAT, LIBRARY_LOG_NAME, LOG_METADATA_ARGS ) ); SdkLog( message ); SdkLog( ( "\r\n" ) )
+        #define LogDebug( message )
+
+    #elif LIBRARY_LOG_LEVEL == LOG_WARN
+        /* Only WARNING and ERROR messages will be logged.*/
+        #define LogError( message )    SdkLog( ( "[ERROR] [%s] "LOG_METADATA_FORMAT, LIBRARY_LOG_NAME, LOG_METADATA_ARGS ) ); SdkLog( message ); SdkLog( ( "\r\n" ) )
+        #define LogWarn( message )     SdkLog( ( "[WARN] [%s] "LOG_METADATA_FORMAT, LIBRARY_LOG_NAME, LOG_METADATA_ARGS ) ); SdkLog( message ); SdkLog( ( "\r\n" ) )
+        #define LogInfo( message )
+        #define LogDebug( message )
+
+    #elif LIBRARY_LOG_LEVEL == LOG_ERROR
+        /* Only ERROR messages will be logged. */
+        #define LogError( message )    SdkLog( ( "[ERROR] [%s] "LOG_METADATA_FORMAT, LIBRARY_LOG_NAME, LOG_METADATA_ARGS ) ); SdkLog( message ); SdkLog( ( "\r\n" ) )
+        #define LogWarn( message )
+        #define LogInfo( message )
+        #define LogDebug( message )
+
+    #else /* if LIBRARY_LOG_LEVEL == LOG_ERROR */
+
+        #define LogError( message )
+        #define LogWarn( message )
+        #define LogInfo( message )
+        #define LogDebug( message )
+
+    #endif /* if LIBRARY_LOG_LEVEL == LOG_ERROR */
+#endif /* if !defined( LIBRARY_LOG_LEVEL ) || ( ( LIBRARY_LOG_LEVEL != LOG_NONE ) && ( LIBRARY_LOG_LEVEL != LOG_ERROR ) && ( LIBRARY_LOG_LEVEL != LOG_WARN ) && ( LIBRARY_LOG_LEVEL != LOG_INFO ) && ( LIBRARY_LOG_LEVEL != LOG_DEBUG ) ) */
+
+#endif /* ifndef LOGGING_STACK_H */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/Logging/windows/Logging_WinSim.c

@@ -0,0 +1,553 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/*
+ * Logging utility that allows FreeRTOS tasks to log to a UDP port, stdout, and
+ * disk file without making any Win32 system calls themselves.
+ *
+ * Messages logged to a UDP port are sent directly (using FreeRTOS+TCP), but as
+ * FreeRTOS tasks cannot make Win32 system calls messages sent to stdout or a
+ * disk file are sent via a stream buffer to a Win32 thread which then performs
+ * the actual output.
+ */
+
+/* Standard includes. */
+#include <stdio.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <io.h>
+#include <ctype.h>
+
+/* FreeRTOS includes. */
+#include <FreeRTOS.h>
+#include "task.h"
+
+/* FreeRTOS+TCP includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+#include "FreeRTOS_Stream_Buffer.h"
+
+/* Demo includes. */
+#include "logging.h"
+
+/*-----------------------------------------------------------*/
+
+/* The maximum size to which the log file may grow, before being renamed
+ * to .ful. */
+#define dlLOGGING_FILE_SIZE             ( 40ul * 1024ul * 1024ul )
+
+/* Dimensions the arrays into which print messages are created. */
+#define dlMAX_PRINT_STRING_LENGTH       255
+
+/* The size of the stream buffer used to pass messages from FreeRTOS tasks to
+ * the Win32 thread that is responsible for making any Win32 system calls that are
+ * necessary for the selected logging method. */
+#define dlLOGGING_STREAM_BUFFER_SIZE    32768
+
+/* A block time of zero simply means don't block. */
+#define dlDONT_BLOCK                    0
+
+/*-----------------------------------------------------------*/
+
+/*
+ * Called from vLoggingInit() to start a new disk log file.
+ */
+static void prvFileLoggingInit( void );
+
+/*
+ * Attempt to write a message to the file.
+ */
+static void prvLogToFile( const char * pcMessage,
+                          size_t xLength );
+
+/*
+ * Simply close the logging file, if it is open.
+ */
+static void prvFileClose( void );
+
+/*
+ * Before the scheduler is started this function is called directly.  After the
+ * scheduler has started it is called from the Windows thread dedicated to
+ * outputting log messages.  Only the windows thread actually performs the
+ * writing so as not to disrupt the simulation by making Windows system calls
+ * from FreeRTOS tasks.
+ */
+static void prvLoggingFlushBuffer( void );
+
+/*
+ * The windows thread that performs the actual writing of messages that require
+ * Win32 system calls.  Only the windows thread can make system calls so as not
+ * to disrupt the simulation by making Windows calls from FreeRTOS tasks.
+ */
+static DWORD WINAPI prvWin32LoggingThread( void * pvParam );
+
+/*
+ * Creates the socket to which UDP messages are sent.  This function is not
+ * called directly to prevent the print socket being created from within the IP
+ * task - which could result in a deadlock.  Instead the function call is
+ * deferred to run in the RTOS daemon task - hence it prototype.
+ */
+static void prvCreatePrintSocket( void * pvParameter1,
+                                  uint32_t ulParameter2 );
+
+/*-----------------------------------------------------------*/
+
+/* Windows event used to wake the Win32 thread which performs any logging that
+ * needs Win32 system calls. */
+static void * pvLoggingThreadEvent = NULL;
+
+/* Stores the selected logging targets passed in as parameters to the
+ * vLoggingInit() function. */
+BaseType_t xStdoutLoggingUsed = pdFALSE, xDiskFileLoggingUsed = pdFALSE, xUDPLoggingUsed = pdFALSE;
+
+/* Circular buffer used to pass messages from the FreeRTOS tasks to the Win32
+ * thread that is responsible for making Win32 calls (when stdout or a disk log is
+ * used). */
+static StreamBuffer_t * xLogStreamBuffer = NULL;
+
+/* Handle to the file used for logging.  This is left open while there are
+ * messages waiting to be logged, then closed again in between logs. */
+static FILE * pxLoggingFileHandle = NULL;
+
+/* When true prints are performed directly.  After start up xDirectPrint is set
+ * to pdFALSE - at which time prints that require Win32 system calls are done by
+ * the Win32 thread responsible for logging. */
+BaseType_t xDirectPrint = pdTRUE;
+
+/* File names for the in use and complete (full) log files. */
+static const char * pcLogFileName = "RTOSDemo.log";
+static const char * pcFullLogFileName = "RTOSDemo.ful";
+
+/* As an optimization, the current file size is kept in a variable. */
+static size_t ulSizeOfLoggingFile = 0ul;
+
+/* The UDP socket and address on/to which print messages are sent. */
+Socket_t xPrintSocket = FREERTOS_INVALID_SOCKET;
+struct freertos_sockaddr xPrintUDPAddress;
+
+/*-----------------------------------------------------------*/
+
+void vLoggingInit( BaseType_t xLogToStdout,
+                   BaseType_t xLogToFile,
+                   BaseType_t xLogToUDP,
+                   uint32_t ulRemoteIPAddress,
+                   uint16_t usRemotePort )
+{
+    /* Can only be called before the scheduler has started. */
+    configASSERT( xTaskGetSchedulerState() == taskSCHEDULER_NOT_STARTED );
+
+    #if ( ( ipconfigHAS_DEBUG_PRINTF == 1 ) || ( ipconfigHAS_PRINTF == 1 ) )
+        {
+            HANDLE Win32Thread;
+
+            /* Record which output methods are to be used. */
+            xStdoutLoggingUsed = xLogToStdout;
+            xDiskFileLoggingUsed = xLogToFile;
+            xUDPLoggingUsed = xLogToUDP;
+
+            /* If a disk file is used then initialize it now. */
+            if( xDiskFileLoggingUsed != pdFALSE )
+            {
+                prvFileLoggingInit();
+            }
+
+            /* If UDP logging is used then store the address to which the log data
+             * will be sent - but don't create the socket yet because the network is
+             * not initialized. */
+            if( xUDPLoggingUsed != pdFALSE )
+            {
+                /* Set the address to which the print messages are sent. */
+                xPrintUDPAddress.sin_port = FreeRTOS_htons( usRemotePort );
+                xPrintUDPAddress.sin_address.ulIP_IPv4 = ulRemoteIPAddress;
+                xPrintUDPAddress.sin_family = FREERTOS_AF_INET;
+            }
+
+            /* If a disk file or stdout are to be used then Win32 system calls will
+             * have to be made.  Such system calls cannot be made from FreeRTOS tasks
+             * so create a stream buffer to pass the messages to a Win32 thread, then
+             * create the thread itself, along with a Win32 event that can be used to
+             * unblock the thread. */
+            if( ( xStdoutLoggingUsed != pdFALSE ) || ( xDiskFileLoggingUsed != pdFALSE ) )
+            {
+                /* Create the buffer. */
+                xLogStreamBuffer = ( StreamBuffer_t * ) malloc( sizeof( *xLogStreamBuffer ) - sizeof( xLogStreamBuffer->ucArray ) + dlLOGGING_STREAM_BUFFER_SIZE + 1 );
+                configASSERT( xLogStreamBuffer );
+                memset( xLogStreamBuffer, '\0', sizeof( *xLogStreamBuffer ) - sizeof( xLogStreamBuffer->ucArray ) );
+                xLogStreamBuffer->LENGTH = dlLOGGING_STREAM_BUFFER_SIZE + 1;
+
+                /* Create the Windows event. */
+                pvLoggingThreadEvent = CreateEvent( NULL, FALSE, TRUE, "StdoutLoggingEvent" );
+
+                /* Create the thread itself. */
+                Win32Thread = CreateThread(
+                    NULL,                  /* Pointer to thread security attributes. */
+                    0,                     /* Initial thread stack size, in bytes. */
+                    prvWin32LoggingThread, /* Pointer to thread function. */
+                    NULL,                  /* Argument for new thread. */
+                    0,                     /* Creation flags. */
+                    NULL );
+
+                /* Use the cores that are not used by the FreeRTOS tasks. */
+                SetThreadAffinityMask( Win32Thread, ~0x01u );
+                SetThreadPriorityBoost( Win32Thread, TRUE );
+                SetThreadPriority( Win32Thread, THREAD_PRIORITY_IDLE );
+            }
+        }
+    #else /* if ( ( ipconfigHAS_DEBUG_PRINTF == 1 ) || ( ipconfigHAS_PRINTF == 1 ) ) */
+        {
+            /* FreeRTOSIPConfig is set such that no print messages will be output.
+             * Avoid compiler warnings about unused parameters. */
+            ( void ) xLogToStdout;
+            ( void ) xLogToFile;
+            ( void ) xLogToUDP;
+            ( void ) usRemotePort;
+            ( void ) ulRemoteIPAddress;
+        }
+    #endif /* ( ipconfigHAS_DEBUG_PRINTF == 1 ) || ( ipconfigHAS_PRINTF == 1 )  */
+}
+/*-----------------------------------------------------------*/
+
+static void prvCreatePrintSocket( void * pvParameter1,
+                                  uint32_t ulParameter2 )
+{
+    static const TickType_t xSendTimeOut = pdMS_TO_TICKS( 0 );
+    Socket_t xSocket;
+
+    /* The function prototype is that of a deferred function, but the parameters
+     * are not actually used. */
+    ( void ) pvParameter1;
+    ( void ) ulParameter2;
+
+    xSocket = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_DGRAM, FREERTOS_IPPROTO_UDP );
+
+    if( xSocket != FREERTOS_INVALID_SOCKET )
+    {
+        /* FreeRTOS+TCP decides which port to bind to. */
+        FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_SNDTIMEO, &xSendTimeOut, sizeof( xSendTimeOut ) );
+        FreeRTOS_bind( xSocket, NULL, 0 );
+
+        /* Now the socket is bound it can be assigned to the print socket. */
+        xPrintSocket = xSocket;
+    }
+}
+/*-----------------------------------------------------------*/
+
+static TickType_t ulTicksToMS( TickType_t uxTicks )
+{
+    uint64_t ullCount = uxTicks;
+    ullCount = ullCount * (1000U / configTICK_RATE_HZ);
+    return ( uint32_t )ullCount;
+}
+
+void vLoggingPrintf( const char * pcFormat,
+                     ... )
+{
+    char cPrintString[ dlMAX_PRINT_STRING_LENGTH ];
+    char cOutputString[ dlMAX_PRINT_STRING_LENGTH ];
+    char * pcSource, * pcTarget, * pcBegin;
+    size_t xLength, xLength2, rc;
+    static BaseType_t xMessageNumber = 0;
+    static BaseType_t xAfterLineBreak = pdTRUE;
+    va_list args;
+    unsigned ulIPAddress;
+    const char * pcTaskName;
+    const char * pcNoTask = "None";
+    int iOriginalPriority;
+    HANDLE xCurrentTask;
+
+
+    if( ( xStdoutLoggingUsed != pdFALSE ) || ( xDiskFileLoggingUsed != pdFALSE ) || ( xUDPLoggingUsed != pdFALSE ) )
+    {
+        /* There are a variable number of parameters. */
+        va_start( args, pcFormat );
+
+        /* Additional info to place at the start of the log. */
+        if( xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED )
+        {
+            pcTaskName = pcTaskGetName( NULL );
+        }
+        else
+        {
+            pcTaskName = pcNoTask;
+        }
+
+        if( ( xAfterLineBreak == pdTRUE ) && ( strcmp( pcFormat, "\r\n" ) != 0 ) )
+        {
+            TickType_t uxTickCount = ulTicksToMS( xTaskGetTickCount() );
+            TickType_t ulSeconds = uxTickCount / 1000U;
+            TickType_t ulMsecs = uxTickCount % 1000U;
+            xLength = snprintf( cPrintString, dlMAX_PRINT_STRING_LENGTH, "%u %u.%03u [%-*s] ",
+                                ( unsigned ) xMessageNumber++,
+                                ( unsigned ) ulSeconds,
+                                ( unsigned ) ulMsecs,
+                                configMAX_TASK_NAME_LEN,
+                                pcTaskName );
+            /* xAfterLineBreak = pdFALSE; */
+        }
+        else
+        {
+            xLength = 0;
+            memset( cPrintString, 0x00, dlMAX_PRINT_STRING_LENGTH );
+            xAfterLineBreak = pdTRUE;
+        }
+
+        xLength2 = vsnprintf( cPrintString + xLength, dlMAX_PRINT_STRING_LENGTH - xLength, pcFormat, args );
+
+        if( xLength2 < 0 )
+        {
+            /* Clean up. */
+            xLength2 = dlMAX_PRINT_STRING_LENGTH - 1 - xLength;
+            cPrintString[ dlMAX_PRINT_STRING_LENGTH - 1 ] = '\0';
+        }
+
+        xLength += xLength2;
+        va_end( args );
+
+        /* For ease of viewing, copy the string into another buffer, converting
+         * IP addresses to dot notation on the way. */
+        pcSource = cPrintString;
+        pcTarget = cOutputString;
+
+        while( ( *pcSource ) != '\0' )
+        {
+            *pcTarget = *pcSource;
+            pcTarget++;
+            pcSource++;
+
+            /* Look forward for an IP address denoted by 'ip'. */
+            if( ( isxdigit( pcSource[ 0 ] ) != pdFALSE ) && ( pcSource[ 1 ] == 'i' ) && ( pcSource[ 2 ] == 'p' ) )
+            {
+                *pcTarget = *pcSource;
+                pcTarget++;
+                *pcTarget = '\0';
+                pcBegin = pcTarget - 8;
+
+                while( ( pcTarget > pcBegin ) && ( isxdigit( pcTarget[ -1 ] ) != pdFALSE ) )
+                {
+                    pcTarget--;
+                }
+
+                ( void ) sscanf( pcTarget, "%8X", &ulIPAddress );
+                rc = sprintf( pcTarget, "%lu.%lu.%lu.%lu",
+                              ( unsigned long ) ( ulIPAddress >> 24UL ),
+                              ( unsigned long ) ( ( ulIPAddress >> 16UL ) & 0xffUL ),
+                              ( unsigned long ) ( ( ulIPAddress >> 8UL ) & 0xffUL ),
+                              ( unsigned long ) ( ulIPAddress & 0xffUL ) );
+                pcTarget += rc;
+                pcSource += 3; /* skip "<n>ip" */
+            }
+        }
+
+        /* How far through the buffer was written? */
+        xLength = ( BaseType_t ) ( pcTarget - cOutputString );
+
+        /* If the message is to be logged to a UDP port then it can be sent directly
+         * because it only uses FreeRTOS function (not Win32 functions). */
+        if( xUDPLoggingUsed != pdFALSE )
+        {
+            #if 0  /* _HT_ Logging doesn't need UDP logging for WinSim. */
+            if( ( xPrintSocket == FREERTOS_INVALID_SOCKET ) && ( FreeRTOS_IsNetworkUp() != pdFALSE ) )
+            {
+                /* Create and bind the socket to which print messages are sent.  The
+                 * xTimerPendFunctionCall() function is used even though this is
+                 * not an interrupt because this function is called from the IP task
+                 * and the	IP task cannot itself wait for a socket to bind.  The
+                 * parameters to prvCreatePrintSocket() are not required so set to
+                 * NULL or 0. */
+                xTimerPendFunctionCall( prvCreatePrintSocket, NULL, 0, dlDONT_BLOCK );
+            }
+
+            if( xPrintSocket != FREERTOS_INVALID_SOCKET )
+            {
+                FreeRTOS_sendto( xPrintSocket, cOutputString, xLength, 0, &xPrintUDPAddress, sizeof( xPrintUDPAddress ) );
+
+                /* Just because the UDP data logger I'm using is dumb. */
+                FreeRTOS_sendto( xPrintSocket, "\r", sizeof( char ), 0, &xPrintUDPAddress, sizeof( xPrintUDPAddress ) );
+            }
+            #endif /* 0 */
+        }
+
+        /* If logging is also to go to either stdout or a disk file then it cannot
+         * be output here - so instead write the message to the stream buffer and wake
+         * the Win32 thread which will read it from the stream buffer and perform the
+         * actual output. */
+        if( ( xStdoutLoggingUsed != pdFALSE ) || ( xDiskFileLoggingUsed != pdFALSE ) )
+        {
+            configASSERT( xLogStreamBuffer );
+
+            /* How much space is in the buffer? */
+            xLength2 = uxStreamBufferGetSpace( xLogStreamBuffer );
+
+            /* There must be enough space to write both the string and the length of
+             * the string. */
+            if( xLength2 >= ( xLength + sizeof( xLength ) ) )
+            {
+                /* First write in the length of the data, then write in the data
+                 * itself.  Raising the thread priority is used as a critical section
+                 * as there are potentially multiple writers.  The stream buffer is
+                 * only thread safe when there is a single writer (likewise for
+                 * reading from the buffer). */
+                xCurrentTask = GetCurrentThread();
+                iOriginalPriority = GetThreadPriority( xCurrentTask );
+                SetThreadPriority( GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL );
+                uxStreamBufferAdd( xLogStreamBuffer, 0, ( const uint8_t * ) &( xLength ), sizeof( xLength ) );
+                uxStreamBufferAdd( xLogStreamBuffer, 0, ( const uint8_t * ) cOutputString, xLength );
+                SetThreadPriority( GetCurrentThread(), iOriginalPriority );
+            }
+
+            /* xDirectPrint is initialized to pdTRUE, and while it remains true the
+             * logging output function is called directly.  When the system is running
+             * the output function cannot be called directly because it would get
+             * called from both FreeRTOS tasks and Win32 threads - so instead wake the
+             * Win32 thread responsible for the actual output. */
+            if( xDirectPrint != pdFALSE )
+            {
+                /* While starting up, the thread which calls prvWin32LoggingThread()
+                 * is not running yet and xDirectPrint will be pdTRUE. */
+                prvLoggingFlushBuffer();
+            }
+            else if( pvLoggingThreadEvent != NULL )
+            {
+                /* While running, wake up prvWin32LoggingThread() to send the
+                 * logging data. */
+                SetEvent( pvLoggingThreadEvent );
+            }
+        }
+    }
+}
+/*-----------------------------------------------------------*/
+
+static void prvLoggingFlushBuffer( void )
+{
+    size_t xLength;
+    char cPrintString[ dlMAX_PRINT_STRING_LENGTH ];
+
+    /* Is there more than the length value stored in the circular buffer
+     * used to pass data from the FreeRTOS simulator into this Win32 thread? */
+    while( uxStreamBufferGetSize( xLogStreamBuffer ) > sizeof( xLength ) )
+    {
+        memset( cPrintString, 0x00, dlMAX_PRINT_STRING_LENGTH );
+        uxStreamBufferGet( xLogStreamBuffer, 0, ( uint8_t * ) &xLength, sizeof( xLength ), pdFALSE );
+        uxStreamBufferGet( xLogStreamBuffer, 0, ( uint8_t * ) cPrintString, xLength, pdFALSE );
+
+        /* Write the message to standard out if requested to do so when
+         * vLoggingInit() was called, or if the network is not yet up. */
+        if( ( xStdoutLoggingUsed != pdFALSE ) || ( FreeRTOS_IsNetworkUp() == pdFALSE ) )
+        {
+            /* Write the message to stdout. */
+            _write( _fileno( stdout ), cPrintString, strlen( cPrintString ) );
+        }
+
+        /* Write the message to a file if requested to do so when
+         * vLoggingInit() was called. */
+        if( xDiskFileLoggingUsed != pdFALSE )
+        {
+            prvLogToFile( cPrintString, xLength );
+        }
+    }
+
+    prvFileClose();
+}
+/*-----------------------------------------------------------*/
+
+static DWORD WINAPI prvWin32LoggingThread( void * pvParameter )
+{
+    const DWORD xMaxWait = 1000;
+
+    ( void ) pvParameter;
+
+    /* From now on, prvLoggingFlushBuffer() will only be called from this
+     * Windows thread */
+    xDirectPrint = pdFALSE;
+
+    for( ; ; )
+    {
+        /* Wait to be told there are message waiting to be logged. */
+        WaitForSingleObject( pvLoggingThreadEvent, xMaxWait );
+
+        /* Write out all waiting messages. */
+        prvLoggingFlushBuffer();
+    }
+}
+/*-----------------------------------------------------------*/
+
+static void prvFileLoggingInit( void )
+{
+    FILE * pxHandle = fopen( pcLogFileName, "a" );
+
+    if( pxHandle != NULL )
+    {
+        fseek( pxHandle, SEEK_END, 0ul );
+        ulSizeOfLoggingFile = ftell( pxHandle );
+        fclose( pxHandle );
+    }
+    else
+    {
+        ulSizeOfLoggingFile = 0ul;
+    }
+}
+/*-----------------------------------------------------------*/
+
+static void prvFileClose( void )
+{
+    if( pxLoggingFileHandle != NULL )
+    {
+        fclose( pxLoggingFileHandle );
+        pxLoggingFileHandle = NULL;
+    }
+}
+/*-----------------------------------------------------------*/
+
+static void prvLogToFile( const char * pcMessage,
+                          size_t xLength )
+{
+    if( pxLoggingFileHandle == NULL )
+    {
+        pxLoggingFileHandle = fopen( pcLogFileName, "a" );
+    }
+
+    if( pxLoggingFileHandle != NULL )
+    {
+        fwrite( pcMessage, 1, xLength, pxLoggingFileHandle );
+        ulSizeOfLoggingFile += xLength;
+
+        /* If the file has grown to its maximum permissible size then close and
+         * rename it - then start with a new file. */
+        if( ulSizeOfLoggingFile > ( size_t ) dlLOGGING_FILE_SIZE )
+        {
+            prvFileClose();
+
+            if( _access( pcFullLogFileName, 00 ) == 0 )
+            {
+                remove( pcFullLogFileName );
+            }
+
+            rename( pcLogFileName, pcFullLogFileName );
+            ulSizeOfLoggingFile = 0;
+        }
+    }
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/NTP/NTPDemo.c

@@ -0,0 +1,674 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/*
+ * NTPDemo.c
+ *
+ * An example of how to lookup a domain using DNS
+ * And also how to send and receive UDP messages to get the NTP time
+ *
+ */
+
+/* Standard includes. */
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+#include "semphr.h"
+
+/* FreeRTOS+TCP includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+#include "FreeRTOS_DNS.h"
+#include "FreeRTOS_Stream_Buffer.h"
+
+/* Use the date & time functions from +FAT. */
+#if ( USE_PLUS_FAT != 0 )
+    #include "ff_time.h"
+#endif /* ( USE_PLUS_FAT != 0 ) */
+
+#include "NTPDemo.h"
+#include "ntpClient.h"
+
+#include "date_and_time.h"
+
+#if ( ipconfigDNS_USE_CALLBACKS == 0 )
+    #error ipconfigDNS_USE_CALLBACKS must be 1
+#endif
+
+#if ( ipconfigMULTI_INTERFACE == 0 )
+    #ifndef ipSIZE_OF_IPv4_ADDRESS
+        #define ipSIZE_OF_IPv4_ADDRESS    4
+    #endif
+    #define FREERTOS_AF_INET4             FREERTOS_AF_INET
+#endif
+
+/* Set time: sets the current time in seconds-after-1/1/1970
+ * This function must be provided by the application. */
+
+time_t get_time( time_t * puxTime );
+int set_time( const time_t * t );
+
+enum EStatus
+{
+    EStatusLookup,
+    EStatusAsking,
+    EStatusPause,
+    EStatusFailed,
+};
+
+static struct SNtpPacket xNTPPacket;
+
+BaseType_t xNTPHasTime;
+uint32_t ulNTPTime;
+
+#if ( ipconfigUSE_CALLBACKS == 0 )
+    static char cRecvBuffer[ sizeof( struct SNtpPacket ) + 64 ];
+#endif
+
+static enum EStatus xStatus = EStatusLookup;
+
+static const char * pcTimeServers[] =
+{
+    "0.asia.pool.ntp.org",
+    "0.europe.pool.ntp.org",
+    "0.id.pool.ntp.org",
+    "0.south-america.pool.ntp.org",
+    "0.oceania.pool.ntp.org",
+    "0.north-america.pool.ntp.org"
+};
+
+static SemaphoreHandle_t xNTPWakeupSem = NULL;
+static uint32_t ulIPAddressFound;
+
+#if ( ipconfigUSE_IPv6 != 0 )
+    static struct freertos_sockaddr xIPAddressFound;
+#endif
+static BaseType_t xHasIPAddress = pdFALSE;
+
+static Socket_t xUDPSocket = NULL;
+static TaskHandle_t xNTPTaskhandle = NULL;
+static TickType_t uxSendTime;
+static BaseType_t xPreferredHostType = FREERTOS_AF_INET4;
+static BaseType_t xDNSAsynchronous = pdTRUE;
+static BaseType_t xDNSLogging = pdFALSE;
+
+static void prvNTPTask( void * pvParameters );
+
+static void vSignalTask( void )
+{
+    #if ( ipconfigUSE_CALLBACKS == 0 )
+        if( xUDPSocket != NULL )
+        {
+            /* Send a signal to the socket so that the
+             *  FreeRTOS_recvfrom will get interrupted. */
+            FreeRTOS_SignalSocket( xUDPSocket );
+        }
+        else
+    #endif
+
+    if( xNTPWakeupSem != NULL )
+    {
+        xSemaphoreGive( xNTPWakeupSem );
+    }
+}
+
+void vNTPClearCache( void )
+{
+    ulIPAddressFound = 0U;
+    #if ( ipconfigUSE_IPv6 != 0 )
+        {
+            memset( &( xIPAddressFound ), 0, sizeof xIPAddressFound );
+        }
+    #endif
+    xHasIPAddress = pdFALSE;
+}
+
+void vNTPSetNTPType( BaseType_t aIPType,
+                     BaseType_t xAsynchronous,
+                     BaseType_t xLogging )
+{
+    switch( aIPType )
+    {
+        case 4:
+            xPreferredHostType = FREERTOS_AF_INET4;
+            break;
+
+            #if ( ipconfigUSE_IPv6 != 0 )
+                case 6:
+                    xPreferredHostType = FREERTOS_AF_INET6;
+                    break;
+            #endif
+        default:
+            break;
+    }
+
+    xDNSAsynchronous = xAsynchronous;
+    xDNSLogging = xLogging;
+}
+
+void vStartNTPTask( uint16_t usTaskStackSize,
+                    UBaseType_t uxTaskPriority )
+{
+    /* The only public function in this module: start a task to contact
+     * some NTP server. */
+
+    if( xNTPTaskhandle != NULL )
+    {
+        switch( xStatus )
+        {
+            case EStatusPause:
+                xStatus = EStatusAsking;
+                vSignalTask();
+                break;
+
+            case EStatusLookup:
+                FreeRTOS_printf( ( "NTP looking up server\n" ) );
+                break;
+
+            case EStatusAsking:
+                FreeRTOS_printf( ( "NTP still asking\n" ) );
+                break;
+
+            case EStatusFailed:
+                FreeRTOS_printf( ( "NTP failed somehow\n" ) );
+                ulIPAddressFound = 0ul;
+                xStatus = EStatusLookup;
+                vSignalTask();
+                break;
+        }
+    }
+    else
+    {
+        xUDPSocket = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_DGRAM, FREERTOS_IPPROTO_UDP );
+
+        if( xUDPSocket != NULL )
+        {
+            struct freertos_sockaddr xAddress;
+            #if ( ipconfigUSE_CALLBACKS != 0 )
+                BaseType_t xReceiveTimeOut = pdMS_TO_TICKS( 0 );
+            #else
+                BaseType_t xReceiveTimeOut = pdMS_TO_TICKS( 5000 );
+            #endif
+
+            xAddress.sin_address.ulIP_IPv4 = 0ul;
+            xAddress.sin_port = FreeRTOS_htons( NTP_PORT );
+            xAddress.sin_family = FREERTOS_AF_INET;
+
+            FreeRTOS_bind( xUDPSocket, &xAddress, sizeof( xAddress ) );
+            FreeRTOS_setsockopt( xUDPSocket, 0, FREERTOS_SO_RCVTIMEO, &xReceiveTimeOut, sizeof( xReceiveTimeOut ) );
+            xTaskCreate( prvNTPTask,                    /* The function that implements the task. */
+                         ( const char * ) "NTP client", /* Just a text name for the task to aid debugging. */
+                         usTaskStackSize,               /* The stack size is defined in FreeRTOSIPConfig.h. */
+                         NULL,                          /* The task parameter, not used in this case. */
+                         uxTaskPriority,                /* The priority assigned to the task is defined in FreeRTOSConfig.h. */
+                         &xNTPTaskhandle );             /* The task handle. */
+        }
+        else
+        {
+            FreeRTOS_printf( ( "Creating socket failed\n" ) );
+        }
+    }
+}
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_IPv6 != 0 )
+    static void vDNS_callback( const char * pcName,
+                               void * pvSearchID,
+                               struct freertos_addrinfo * pxAddress )
+    {
+        xStatus = EStatusAsking;
+
+        ( void ) pvSearchID;
+
+        if( pxAddress == NULL )
+        {
+            FreeRTOS_printf( ( "DNS lookup timed out\n" ) );
+        }
+        else
+        {
+            if( pxAddress->ai_family == FREERTOS_AF_INET4 )
+            {
+                char pcBuf[ 16 ];
+                uint32_t ulIPAddress;
+
+                /* The DNS lookup has a result, or it has reached the time-out. */
+                ulIPAddress = pxAddress->ai_addr->sin_address.ulIP_IPv4;
+                FreeRTOS_inet_ntoa( ulIPAddress, pcBuf );
+                FreeRTOS_printf( ( "vDNS_callback: IP address of %s found: %s\n", pcName, pcBuf ) );
+
+                /*			if( ulIPAddressFound == 0U ) */
+                /*			{ */
+                /*				ulIPAddressFound = FreeRTOS_inet_addr_quick( 162, 159, 200, 1 ); */
+                /*			} */
+                if( ulIPAddressFound != 0U )
+                {
+                    memset( xIPAddressFound.sin_address.xIP_IPv6.ucBytes, 0, ipSIZE_OF_IPv6_ADDRESS );
+                    xHasIPAddress = pdTRUE;
+                }
+            }
+            else if( pxAddress->ai_family == FREERTOS_AF_INET6 )
+            {
+                /*  struct freertos_sockaddr * ai_addr */
+                struct freertos_sockaddr * sockaddr6 = ( struct freertos_sockaddr * ) pxAddress->ai_addr;
+
+                xIPAddressFound.sin_len = sizeof( xIPAddressFound ); /* Ignored, still present for backward compatibility. */
+                xIPAddressFound.sin_family = FREERTOS_AF_INET6;      /* Set to FREERTOS_AF_INET6. */
+                xIPAddressFound.sin_port = FreeRTOS_htons( NTP_PORT );
+                xIPAddressFound.sin_flowinfo = 0;                    /* IPv6 flow information. */
+                memcpy( xIPAddressFound.sin_address.xIP_IPv6.ucBytes, sockaddr6->sin_address.xIP_IPv6.ucBytes, ipSIZE_OF_IPv6_ADDRESS );
+
+                FreeRTOS_printf( ( "vDNS_callback: using address %pip\n", xIPAddressFound.sin_address.xIP_IPv6.ucBytes ) );
+                ulIPAddressFound = 0U;
+                xHasIPAddress = pdTRUE;
+            }
+        }
+
+        vSignalTask();
+    }
+#else /* if ( ipconfigUSE_IPv6 != 0 ) */
+    static void vDNS_callback( const char * pcName,
+                               void * pvSearchID,
+                               uint32_t ulIPAddress )
+    {
+        char pcBuf[ 16 ];
+
+        /* The DNS lookup has a result, or it has reached the time-out. */
+        FreeRTOS_inet_ntoa( ulIPAddress, pcBuf );
+        FreeRTOS_printf( ( "IP address of %s found: %s\n", pcName, pcBuf ) );
+
+        if( ulIPAddressFound == 0U )
+        {
+            ulIPAddressFound = ulIPAddress;
+        }
+
+        /* For testing: in case DNS doesn't respond, still try some NTP server
+         * with a known IP-address. */
+/*		if( ulIPAddressFound == 0U ) */
+/*		{ */
+/*			ulIPAddressFound = FreeRTOS_inet_addr_quick( 184, 105, 182, 7 ); */
+/*			/ *		ulIPAddressFound = FreeRTOS_inet_addr_quick( 103, 242,  70, 4 );	* / */
+/*		} */
+        if( ulIPAddressFound != 0U )
+        {
+            xHasIPAddress = pdTRUE;
+            xStatus = EStatusAsking;
+        }
+
+        vSignalTask();
+    }
+#endif /* if ( ipconfigUSE_IPv6 != 0 ) */
+/*-----------------------------------------------------------*/
+
+static void prvSwapFields( struct SNtpPacket * pxPacket )
+{
+    /* NTP messages are big-endian */
+    pxPacket->rootDelay = FreeRTOS_htonl( pxPacket->rootDelay );
+    pxPacket->rootDispersion = FreeRTOS_htonl( pxPacket->rootDispersion );
+
+    pxPacket->referenceTimestamp.seconds = FreeRTOS_htonl( pxPacket->referenceTimestamp.seconds );
+    pxPacket->referenceTimestamp.fraction = FreeRTOS_htonl( pxPacket->referenceTimestamp.fraction );
+
+    pxPacket->originateTimestamp.seconds = FreeRTOS_htonl( pxPacket->originateTimestamp.seconds );
+    pxPacket->originateTimestamp.fraction = FreeRTOS_htonl( pxPacket->originateTimestamp.fraction );
+
+    pxPacket->receiveTimestamp.seconds = FreeRTOS_htonl( pxPacket->receiveTimestamp.seconds );
+    pxPacket->receiveTimestamp.fraction = FreeRTOS_htonl( pxPacket->receiveTimestamp.fraction );
+
+    pxPacket->transmitTimestamp.seconds = FreeRTOS_htonl( pxPacket->transmitTimestamp.seconds );
+    pxPacket->transmitTimestamp.fraction = FreeRTOS_htonl( pxPacket->transmitTimestamp.fraction );
+}
+/*-----------------------------------------------------------*/
+
+static void prvNTPPacketInit()
+{
+    memset( &xNTPPacket, '\0', sizeof( xNTPPacket ) );
+
+    xNTPPacket.flags = 0xDB;                /* value 0xDB : mode 3 (client), version 3, leap indicator unknown 3 */
+    xNTPPacket.poll = 10;                   /* 10 means 1 << 10 = 1024 seconds */
+    xNTPPacket.precision = 0xFA;            /* = 250 = 0.015625 seconds */
+    xNTPPacket.rootDelay = 0x5D2E;          /* 0x5D2E = 23854 or (23854/65535)= 0.3640 sec */
+    xNTPPacket.rootDispersion = 0x0008CAC8; /* 0x0008CAC8 = 8.7912  seconds */
+
+    /* use the recorded NTP time */
+    time_t uxSecs = get_time( NULL );               /* apTime may be NULL, returns seconds */
+
+    xNTPPacket.referenceTimestamp.seconds = uxSecs; /* Current time */
+    xNTPPacket.transmitTimestamp.seconds = uxSecs + 3;
+
+    /* Transform the contents of the fields from native to big endian. */
+    prvSwapFields( &xNTPPacket );
+}
+/*-----------------------------------------------------------*/
+
+static void prvReadTime( struct SNtpPacket * pxPacket )
+{
+    #if ( USE_PLUS_FAT != 0 )
+        FF_TimeStruct_t xTimeStruct;
+    #else
+        struct tm xTimeStruct;
+    #endif
+
+    time_t uxPreviousSeconds;
+    time_t uxPreviousMS;
+
+    time_t uxCurrentSeconds;
+    time_t uxCurrentMS;
+
+    const char * pcTimeUnit;
+    int32_t ilDiff;
+    TickType_t uxTravelTime;
+
+    uxTravelTime = xTaskGetTickCount() - uxSendTime;
+
+    /* Transform the contents of the fields from big to native endian. */
+    prvSwapFields( pxPacket );
+
+    uxCurrentSeconds = pxPacket->receiveTimestamp.seconds - TIME1970;
+    uxCurrentMS = pxPacket->receiveTimestamp.fraction / 4294967;
+    uxCurrentSeconds += uxCurrentMS / 1000;
+    uxCurrentMS = uxCurrentMS % 1000;
+
+    /* Get the last time recorded */
+    uxPreviousSeconds = FreeRTOS_get_secs_msec( &uxPreviousMS );
+
+    /* Set the new time with precision in msec. * / */
+    FreeRTOS_set_secs_msec( &uxCurrentSeconds, &uxCurrentMS );
+
+    if( uxCurrentSeconds >= uxPreviousSeconds )
+    {
+        ilDiff = ( int32_t ) ( uxCurrentSeconds - uxPreviousSeconds );
+    }
+    else
+    {
+        ilDiff = 0 - ( int32_t ) ( uxPreviousSeconds - uxCurrentSeconds );
+    }
+
+    if( ( ilDiff < -5 ) || ( ilDiff > 5 ) )
+    {
+        /* More than 5 seconds difference. */
+        pcTimeUnit = "sec";
+    }
+    else
+    {
+        /* Less than or equal to 5 second difference. */
+        pcTimeUnit = "ms";
+        uint32_t ulLowest = ( uxCurrentSeconds <= uxPreviousSeconds ) ? uxCurrentSeconds : uxPreviousSeconds;
+        int32_t iCurMS = 1000 * ( uxCurrentSeconds - ulLowest ) + uxCurrentMS;
+        int32_t iPrevMS = 1000 * ( uxPreviousSeconds - ulLowest ) + uxPreviousMS;
+        ilDiff = iCurMS - iPrevMS;
+    }
+
+    /*uxCurrentSeconds -= iTimeZone; */
+
+    #if ( USE_PLUS_FAT != 0 )
+        FreeRTOS_gmtime_r( &uxCurrentSeconds, &xTimeStruct );
+    #else
+        gmtime_r( &uxCurrentSeconds, &xTimeStruct );
+    #endif /* ( USE_PLUS_FAT != 0 ) */
+
+    /*
+     *  378.067 [NTP client] NTP time: 9/11/2015 16:11:19.559 Diff -20 ms (289 ms)
+     *  379.441 [NTP client] NTP time: 9/11/2015 16:11:20.933 Diff 0 ms (263 ms)
+     */
+    /* NTP time: -858993460/-858993459/-858991560 -858993460:-858993460:-858993460.158 Diff 1607503255 sec (60 ms) */
+    FreeRTOS_printf( ( "NTP time: %u/%u/%02u %2u:%02u:%02u.%03u Diff %d %s (%lu ms)\n",
+                       ( unsigned ) xTimeStruct.tm_mday,
+                       ( unsigned ) xTimeStruct.tm_mon + 1,
+                       ( unsigned ) xTimeStruct.tm_year + 1900,
+                       ( unsigned ) xTimeStruct.tm_hour,
+                       ( unsigned ) xTimeStruct.tm_min,
+                       ( unsigned ) xTimeStruct.tm_sec,
+                       ( unsigned ) uxCurrentMS,
+                       ( signed ) ilDiff,
+                       pcTimeUnit,
+                       uxTravelTime ) );
+
+    xNTPHasTime = pdTRUE;
+    ulNTPTime = uxCurrentSeconds;
+    set_time( &uxCurrentSeconds );
+
+    /* Remove compiler warnings in case FreeRTOS_printf() is not used. */
+    ( void ) pcTimeUnit;
+    ( void ) uxTravelTime;
+}
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_CALLBACKS != 0 )
+
+    static BaseType_t xOnUDPReceive( Socket_t xSocket,
+                                     void * pvData,
+                                     size_t xLength,
+                                     const struct freertos_sockaddr * pxFrom,
+                                     const struct freertos_sockaddr * pxDest )
+    {
+        ( void ) xSocket;
+        ( void ) pxFrom;
+        ( void ) pxDest;
+
+        if( xLength >= sizeof( xNTPPacket ) )
+        {
+            prvReadTime( ( struct SNtpPacket * ) pvData );
+
+            if( xStatus != EStatusPause )
+            {
+                xStatus = EStatusPause;
+            }
+        }
+
+        vSignalTask();
+        /* Tell the driver not to store the RX data */
+        return 1;
+    }
+    /*-----------------------------------------------------------*/
+
+#endif /* ipconfigUSE_CALLBACKS != 0 */
+
+static void prvNTPTask( void * pvParameters )
+{
+    BaseType_t xServerIndex = 3;
+    struct freertos_sockaddr xAddress;
+
+    #if ( ipconfigUSE_CALLBACKS != 0 )
+        F_TCP_UDP_Handler_t xHandler;
+    #endif /* ipconfigUSE_CALLBACKS != 0 */
+
+    ( void ) pvParameters;
+
+    xStatus = EStatusLookup;
+    #if ( ipconfigSOCKET_HAS_USER_SEMAPHORE != 0 ) || ( ipconfigUSE_CALLBACKS != 0 )
+        {
+            xNTPWakeupSem = xSemaphoreCreateBinary();
+        }
+    #endif
+
+    #if ( ipconfigUSE_CALLBACKS != 0 )
+        {
+            memset( &xHandler, '\0', sizeof( xHandler ) );
+            xHandler.pxOnUDPReceive = xOnUDPReceive;
+            FreeRTOS_setsockopt( xUDPSocket, 0, FREERTOS_SO_UDP_RECV_HANDLER, ( void * ) &xHandler, sizeof( xHandler ) );
+        }
+    #endif
+    #if ( ipconfigSOCKET_HAS_USER_SEMAPHORE != 0 )
+        {
+            FreeRTOS_setsockopt( xUDPSocket, 0, FREERTOS_SO_SET_SEMAPHORE, ( void * ) &xNTPWakeupSem, sizeof( xNTPWakeupSem ) );
+        }
+    #endif
+
+    for( ; ; )
+    {
+        switch( xStatus )
+        {
+            case EStatusLookup:
+
+                if( xHasIPAddress == 0 )
+                {
+                    char pcServerName[ 64 ];
+
+                    if( ++xServerIndex == sizeof( pcTimeServers ) / sizeof( pcTimeServers[ 0 ] ) )
+                    {
+                        xServerIndex = 0;
+                    }
+
+                    snprintf( pcServerName, sizeof pcServerName, "%s", pcTimeServers[ xServerIndex ] );
+
+                    if( ( pcServerName[ 0 ] == '0' ) && ( xPreferredHostType == FREERTOS_AF_INET6 ) )
+                    {
+                        pcServerName[ 0 ] = '2';
+                    }
+
+                    FreeRTOS_printf( ( "Looking up server '%s' IPv%c\n",
+                                       pcServerName,
+                                       ( xPreferredHostType == FREERTOS_AF_INET4 ) ? '4' : '6' ) );
+                    #if ( ipconfigMULTI_INTERFACE != 0 )
+                        struct freertos_addrinfo xHints;
+                        struct freertos_addrinfo * pxResults = NULL;
+
+                        memset( &( xHints ), 0, sizeof xHints );
+                        xHints.ai_family = xPreferredHostType;
+
+                        if( xDNSAsynchronous != 0 )
+                        {
+                            FreeRTOS_getaddrinfo_a( pcServerName,    /* The name of the node or device */
+                                                    NULL,            /* Ignored for now. */
+                                                    &( xHints ),     /* If not NULL: preferences. */
+                                                    &( pxResults ),  /* An allocated struct, containing the results. */
+                                                    vDNS_callback,
+                                                    ( void * ) NULL, /* An object or a reference. */
+                                                    pdMS_TO_TICKS( 2500U ) );
+                        }
+                        else
+                        {
+                            FreeRTOS_getaddrinfo( pcServerName,     /* The name of the node or device */
+                                                  NULL,             /* Ignored for now. */
+                                                  &( xHints ),      /* If not NULL: preferences. */
+                                                  &( pxResults ) ); /* An allocated struct, containing the results. */
+
+                            if( pxResults != NULL )
+                            {
+                                vDNS_callback( pcServerName, NULL, pxResults );
+                            }
+                        }
+                    #else /* if ( ipconfigMULTI_INTERFACE != 0 ) */
+                        FreeRTOS_gethostbyname_a( pcServerName, vDNS_callback, ( void * ) NULL, 1200 );
+                    #endif /* if ( ipconfigMULTI_INTERFACE != 0 ) */
+                }
+                else
+                {
+                    xStatus = EStatusAsking;
+                }
+
+                break;
+
+            case EStatusAsking:
+                prvNTPPacketInit();
+                uxSendTime = xTaskGetTickCount();
+                #if ( ipconfigUSE_IPv6 != 0 )
+                    if( memcmp( xIPAddressFound.sin_address.xIP_IPv6.ucBytes, FreeRTOS_in6addr_any.ucBytes, ipSIZE_OF_IPv6_ADDRESS ) != 0 )
+                    {
+                        FreeRTOS_printf( ( "Sending UDP message to %pip:%u\n",
+                                           xIPAddressFound.sin_address.xIP_IPv6.ucBytes,
+                                           FreeRTOS_ntohs( xIPAddressFound.sin_port ) ) );
+
+                        FreeRTOS_sendto( xUDPSocket,
+                                         ( void * ) &xNTPPacket, sizeof( xNTPPacket ),
+                                         0,
+                                         ( const struct freertos_sockaddr * ) &( xIPAddressFound ),
+                                         sizeof( xIPAddressFound ) );
+                    }
+                    else
+                #endif /* ( ipconfigUSE_IPv6 != 0 ) */
+                {
+                    xAddress.sin_address.ulIP_IPv4 = ulIPAddressFound;
+                    xAddress.sin_port = FreeRTOS_htons( NTP_PORT );
+                    xAddress.sin_family = FREERTOS_AF_INET;
+
+                    FreeRTOS_printf( ( "Sending UDP message to %lxip:%u\n",
+                                       FreeRTOS_ntohl( ulIPAddressFound ),
+                                       FreeRTOS_ntohs( xAddress.sin_port ) ) );
+
+                    FreeRTOS_sendto( xUDPSocket,
+                                     ( void * ) &xNTPPacket,
+                                     sizeof( xNTPPacket ),
+                                     0, &( xAddress ),
+                                     sizeof( xAddress ) );
+                }
+
+                break;
+
+            case EStatusPause:
+                break;
+
+            case EStatusFailed:
+                break;
+        }
+
+        #if ( ipconfigUSE_CALLBACKS != 0 )
+            {
+                xSemaphoreTake( xNTPWakeupSem, 5000 );
+            }
+        #else
+            {
+                uint32_t xAddressSize;
+                BaseType_t xReturned;
+
+                xAddressSize = sizeof( xAddress );
+                xReturned = FreeRTOS_recvfrom( xUDPSocket, ( void * ) cRecvBuffer, sizeof( cRecvBuffer ), 0, &xAddress, &xAddressSize );
+
+                switch( xReturned )
+                {
+                    case 0:
+                    case -pdFREERTOS_ERRNO_EAGAIN:
+                    case -pdFREERTOS_ERRNO_EINTR:
+                        break;
+
+                    default:
+
+                        if( xReturned < sizeof( xNTPPacket ) )
+                        {
+                            FreeRTOS_printf( ( "FreeRTOS_recvfrom: returns %ld\n", xReturned ) );
+                        }
+                        else
+                        {
+                            prvReadTime( ( struct SNtpPacket * ) cRecvBuffer );
+
+                            if( xStatus != EStatusPause )
+                            {
+                                xStatus = EStatusPause;
+                            }
+                        }
+
+                        break;
+                }
+            }
+        #endif /* if ( ipconfigUSE_CALLBACKS != 0 ) */
+    }
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/NTP/include/NTPDemo.h

@@ -0,0 +1,53 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/*
+ * A simple demo for NTP using FreeRTOS+TCP
+ */
+
+#ifndef NTPDEMO_H
+
+#define NTPDEMO_H
+
+void vStartNTPTask( uint16_t usTaskStackSize,
+                    UBaseType_t uxTaskPriority );
+
+/*
+ * xIPVersion = 4 or 6.
+ * xAsynchronous = true for asynchronous DNS lookups.
+ * xLogging = true to get more logging.
+ */
+void vNTPSetNTPType( BaseType_t aIPType,
+                     BaseType_t xAsynchronous,
+                     BaseType_t xLogging );
+
+/* Delete the IP-addresses of the NTP server to force a DNS lookup. */
+void vNTPClearCache( void );
+
+extern BaseType_t xNTPHasTime;
+extern uint32_t ulNTPTime;
+
+#endif /* ifndef NTPDEMO_H */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/NTP/include/ntpClient.h

@@ -0,0 +1,104 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/* */
+/*	ntpClient.h */
+/* */
+
+#ifndef __NTPCLIENT_H__
+
+#define __NTPCLIENT_H__
+
+#define NTP_PORT    123
+
+typedef uint32_t           quint32;
+typedef int32_t            qint32;
+typedef uint8_t            quint8;
+typedef int8_t             qint8;
+
+typedef union _SNtpFlags   SNtpFlags;
+
+#ifdef _MSC_VER
+    #define __attribute__( x )
+#endif
+
+/**
+ * 64-bit NTP timestamp.
+ */
+struct __attribute__( ( __packed__ ) ) _SNtpTimestamp
+{
+    /** Number of seconds passed since Jan 1 1900, in big-endian format. */
+    quint32 seconds;
+
+    /** Fractional time part, in <tt>1/0xFFFFFFFF</tt>s of a second. */
+    quint32 fraction;
+};
+
+typedef struct _SNtpTimestamp SNtpTimestamp;
+
+/**
+ * Mandatory part of an NTP packet
+ */
+struct SNtpPacket
+{
+    /** Flags. */
+    unsigned char flags; /* value 0xDB : mode 3 (client), version 3, leap indicator unknown 3 */
+
+    /** Stratum of the clock. */
+    quint8 stratum; /* value 0 : unspecified */
+
+    /** Maximum interval between successive messages, in log2 seconds. Note that the value is signed. */
+    qint8 poll; /* 10 means 1 << 10 = 1024 seconds */
+
+    /** Precision of the clock, in log2 seconds. Note that the value is signed. */
+    qint8 precision; /* 0xFA = 250 = 0.015625 seconds */
+
+    /** Round trip time to the primary reference source, in NTP short format. */
+    qint32 rootDelay; /* 0x5D2E = 23854 or (23854/65535)= 0.3640 sec */
+
+    /** Nominal error relative to the primary reference source. */
+    qint32 rootDispersion; /* 0x0008 CAC8 = 8.7912  seconds */
+
+    /** Reference identifier (either a 4 character string or an IP address). */
+    qint8 referenceID[ 4 ]; /* or just 0000 */
+
+    /** The time at which the clock was last set or corrected. */
+    SNtpTimestamp referenceTimestamp; /* Current time */
+
+    /** The time at which the request departed the client for the server. */
+    SNtpTimestamp originateTimestamp; /* Keep 0 */
+
+    /** The time at which the request arrived at the server. */
+    SNtpTimestamp receiveTimestamp; /* Keep 0 */
+
+    /** The time at which the reply departed the server for client. */
+    SNtpTimestamp transmitTimestamp;
+};
+
+/* Add this number to get secs since 1-1-1900 */
+#define TIME1970    2208988800UL
+
+#endif /* __NTPCLIENT_H__ */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/Packet32.h

@@ -0,0 +1,398 @@
+/*
+ * Copyright (c) 1999 - 2005 NetGroup, Politecnico di Torino (Italy)
+ * Copyright (c) 2005 - 2007 CACE Technologies, Davis (California)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Politecnico di Torino, CACE Technologies
+ * nor the names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/** @ingroup packetapi
+ *  @{
+ */
+
+/** @defgroup packet32h Packet.dll definitions and data structures
+ *  Packet32.h contains the data structures and the definitions used by packet.dll.
+ *  The file is used both by the Win9x and the WinNTx versions of packet.dll, and can be included
+ *  by the applications that use the functions of this library
+ *  @{
+ */
+
+#ifndef __PACKET32
+    #define __PACKET32
+
+    #include <winsock2.h>
+
+    #ifdef HAVE_AIRPCAP_API
+        #include <airpcap.h>
+    #else
+        #if !defined( AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_ )
+            #define AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_
+            typedef struct _AirpcapHandle * PAirpcapHandle;
+        #endif /* AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_ */
+    #endif /* HAVE_AIRPCAP_API */
+
+    #ifdef HAVE_DAG_API
+        #include <dagc.h>
+    #endif /* HAVE_DAG_API */
+
+/* Working modes */
+    #define PACKET_MODE_CAPT         0x0                   /*/< Capture mode */
+    #define PACKET_MODE_STAT         0x1                   /*/< Statistical mode */
+    #define PACKET_MODE_MON          0x2                   /*/< Monitoring mode */
+    #define PACKET_MODE_DUMP         0x10                  /*/< Dump mode */
+    #define PACKET_MODE_STAT_DUMP    MODE_DUMP | MODE_STAT /*/< Statistical dump Mode */
+
+
+/*/ Alignment macro. Defines the alignment size. */
+    #define Packet_ALIGNMENT    sizeof( int )
+/*/ Alignment macro. Rounds up to the next even multiple of Packet_ALIGNMENT. */
+    #define Packet_WORDALIGN( x )    ( ( ( x ) + ( Packet_ALIGNMENT - 1 ) ) & ~( Packet_ALIGNMENT - 1 ) )
+
+    #define NdisMediumNull          -1 /*/< Custom linktype: NDIS doesn't provide an equivalent */
+    #define NdisMediumCHDLC         -2 /*/< Custom linktype: NDIS doesn't provide an equivalent */
+    #define NdisMediumPPPSerial     -3 /*/< Custom linktype: NDIS doesn't provide an equivalent */
+    #define NdisMediumBare80211     -4 /*/< Custom linktype: NDIS doesn't provide an equivalent */
+    #define NdisMediumRadio80211    -5 /*/< Custom linktype: NDIS doesn't provide an equivalent */
+    #define NdisMediumPpi           -6 /*/< Custom linktype: NDIS doesn't provide an equivalent */
+
+/* Loopback behaviour definitions */
+    #define NPF_DISABLE_LOOPBACK    1 /*/< Drop the packets sent by the NPF driver */
+    #define NPF_ENABLE_LOOPBACK     2 /*/< Capture the packets sent by the NPF driver */
+
+/*!
+ * \brief Network type structure.
+ *
+ * This structure is used by the PacketGetNetType() function to return information on the current adapter's type and speed.
+ */
+    typedef struct NetType
+    {
+        UINT LinkType;       /*/< The MAC of the current network adapter (see function PacketGetNetType() for more information) */
+        ULONGLONG LinkSpeed; /*/< The speed of the network in bits per second */
+    } NetType;
+
+
+/*some definitions stolen from libpcap */
+
+    #ifndef BPF_MAJOR_VERSION
+
+/*!
+ * \brief A BPF pseudo-assembly program.
+ *
+ * The program will be injected in the kernel by the PacketSetBPF() function and applied to every incoming packet.
+ */
+        struct bpf_program
+        {
+            UINT bf_len;                /*/< Indicates the number of instructions of the program, i.e. the number of struct bpf_insn that will follow. */
+            struct bpf_insn * bf_insns; /*/< A pointer to the first instruction of the program. */
+        };
+
+/*!
+ * \brief A single BPF pseudo-instruction.
+ *
+ * bpf_insn contains a single instruction for the BPF register-machine. It is used to send a filter program to the driver.
+ */
+        struct bpf_insn
+        {
+            USHORT code; /*/< Instruction type and addressing mode. */
+            UCHAR jt;    /*/< Jump if true */
+            UCHAR jf;    /*/< Jump if false */
+            int k;       /*/< Generic field used for various purposes. */
+        };
+
+/*!
+ * \brief Structure that contains a couple of statistics values on the current capture.
+ *
+ * It is used by packet.dll to return statistics about a capture session.
+ */
+        struct bpf_stat
+        {
+            UINT bs_recv; /*/< Number of packets that the driver received from the network adapter */
+            /*/< from the beginning of the current capture. This value includes the packets */
+            /*/< lost by the driver. */
+            UINT bs_drop; /*/< number of packets that the driver lost from the beginning of a capture. */
+            /*/< Basically, a packet is lost when the the buffer of the driver is full. */
+            /*/< In this situation the packet cannot be stored and the driver rejects it. */
+            UINT ps_ifdrop; /*/< drops by interface. XXX not yet supported */
+            UINT bs_capt;   /*/< number of packets that pass the filter, find place in the kernel buffer and */
+            /*/< thus reach the application. */
+        };
+
+/*!
+ * \brief Packet header.
+ *
+ * This structure defines the header associated with every packet delivered to the application.
+ */
+        struct bpf_hdr
+        {
+            struct timeval bh_tstamp; /*/< The timestamp associated with the captured packet. */
+            /*/< It is stored in a TimeVal structure. */
+            UINT bh_caplen;           /*/< Length of captured portion. The captured portion <b>can be different</b> */
+            /*/< from the original packet, because it is possible (with a proper filter) */
+            /*/< to instruct the driver to capture only a portion of the packets. */
+            UINT bh_datalen;    /*/< Original length of packet */
+            USHORT bh_hdrlen;   /*/< Length of bpf header (this struct plus alignment padding). In some cases, */
+            /*/< a padding could be added between the end of this structure and the packet */
+            /*/< data for performance reasons. This filed can be used to retrieve the actual data */
+            /*/< of the packet. */
+        };
+
+/*!
+ * \brief Dump packet header.
+ *
+ * This structure defines the header associated with the packets in a buffer to be used with PacketSendPackets().
+ * It is simpler than the bpf_hdr, because it corresponds to the header associated by WinPcap and libpcap to a
+ * packet in a dump file. This makes straightforward sending WinPcap dump files to the network.
+ */
+        struct dump_bpf_hdr
+        {
+            struct timeval ts;  /*/< Time stamp of the packet */
+            UINT caplen;        /*/< Length of captured portion. The captured portion can smaller than the */
+            /*/< the original packet, because it is possible (with a proper filter) to */
+            /*/< instruct the driver to capture only a portion of the packets. */
+            UINT len;           /*/< Length of the original packet (off wire). */
+        };
+
+
+    #endif /* ifndef BPF_MAJOR_VERSION */
+
+    struct bpf_stat;
+
+    #define        DOSNAMEPREFIX           TEXT( "Packet_" ) /*/< Prefix added to the adapters device names to create the WinPcap devices */
+    #define        MAX_LINK_NAME_LENGTH    64                /*< Maximum length of the devices symbolic links */
+    #define        NMAX_PACKET             65535
+
+/*!
+ * \brief Addresses of a network adapter.
+ *
+ * This structure is used by the PacketGetNetInfoEx() function to return the IP addresses associated with
+ * an adapter.
+ */
+    typedef struct npf_if_addr
+    {
+        struct sockaddr_storage IPAddress;  /*/< IP address. */
+        struct sockaddr_storage SubnetMask; /*/< Netmask for that address. */
+        struct sockaddr_storage Broadcast;  /*/< Broadcast address. */
+    } npf_if_addr;
+
+
+    #define ADAPTER_NAME_LENGTH      256 + 12 /*/<  Maximum length for the name of an adapter. The value is the same used by the IP Helper API. */
+    #define ADAPTER_DESC_LENGTH      128      /*/<  Maximum length for the description of an adapter. The value is the same used by the IP Helper API. */
+    #define MAX_MAC_ADDR_LENGTH      8        /*/<  Maximum length for the link layer address of an adapter. The value is the same used by the IP Helper API. */
+    #define MAX_NETWORK_ADDRESSES    16       /*/<  Maximum length for the link layer address of an adapter. The value is the same used by the IP Helper API. */
+
+
+    typedef struct WAN_ADAPTER_INT WAN_ADAPTER;    /*/< Describes an opened wan (dialup, VPN...) network adapter using the NetMon API */
+    typedef WAN_ADAPTER            * PWAN_ADAPTER; /*/< Describes an opened wan (dialup, VPN...) network adapter using the NetMon API */
+
+    #define INFO_FLAG_NDIS_ADAPTER       0         /*/< Flag for ADAPTER_INFO: this is a traditional ndis adapter */
+    #define INFO_FLAG_NDISWAN_ADAPTER    1         /*/< Flag for ADAPTER_INFO: this is a NdisWan adapter, and it's managed by WANPACKET */
+    #define INFO_FLAG_DAG_CARD           2         /*/< Flag for ADAPTER_INFO: this is a DAG card */
+    #define INFO_FLAG_DAG_FILE           6         /*/< Flag for ADAPTER_INFO: this is a DAG file */
+    #define INFO_FLAG_DONT_EXPORT        8         /*/< Flag for ADAPTER_INFO: when this flag is set, the adapter will not be listed or openend by winpcap. This allows to prevent exporting broken network adapters, like for example FireWire ones. */
+    #define INFO_FLAG_AIRPCAP_CARD       16        /*/< Flag for ADAPTER_INFO: this is an airpcap card */
+    #define INFO_FLAG_NPFIM_DEVICE       32
+
+/*!
+ * \brief Describes an opened network adapter.
+ *
+ * This structure is the most important for the functioning of packet.dll, but the great part of its fields
+ * should be ignored by the user, since the library offers functions that avoid to cope with low-level parameters
+ */
+    typedef struct _ADAPTER
+    {
+        HANDLE hFile;                              /*/< \internal Handle to an open instance of the NPF driver. */
+        CHAR SymbolicLink[ MAX_LINK_NAME_LENGTH ]; /*/< \internal A string containing the name of the network adapter currently opened. */
+        int NumWrites;                             /*/< \internal Number of times a packets written on this adapter will be repeated */
+        /*/< on the wire. */
+        HANDLE ReadEvent;                          /*/< A notification event associated with the read calls on the adapter. */
+        /*/< It can be passed to standard Win32 functions (like WaitForSingleObject */
+        /*/< or WaitForMultipleObjects) to wait until the driver's buffer contains some */
+        /*/< data. It is particularly useful in GUI applications that need to wait */
+        /*/< concurrently on several events. In Windows NT/2000 the PacketSetMinToCopy() */
+        /*/< function can be used to define the minimum amount of data in the kernel buffer */
+        /*/< that will cause the event to be signalled. */
+
+        UINT ReadTimeOut;       /*/< \internal The amount of time after which a read on the driver will be released and */
+        /*/< ReadEvent will be signaled, also if no packets were captured */
+        CHAR Name[ ADAPTER_NAME_LENGTH ];
+        PWAN_ADAPTER pWanAdapter;
+        UINT Flags;             /*/< Adapter's flags. Tell if this adapter must be treated in a different way, using the Netmon API or the dagc API. */
+
+        #ifdef HAVE_AIRPCAP_API
+            PAirpcapHandle AirpcapAd;
+        #endif /* HAVE_AIRPCAP_API */
+
+        #ifdef HAVE_NPFIM_API
+            void * NpfImHandle;
+        #endif /* HAVE_NPFIM_API */
+
+        #ifdef HAVE_DAG_API
+            dagc_t * pDagCard;             /*/< Pointer to the dagc API adapter descriptor for this adapter */
+            PCHAR DagBuffer;               /*/< Pointer to the buffer with the packets that is received from the DAG card */
+            struct timeval DagReadTimeout; /*/< Read timeout. The dagc API requires a timeval structure */
+            unsigned DagFcsLen;            /*/< Length of the frame check sequence attached to any packet by the card. Obtained from the registry */
+            DWORD DagFastProcess;          /*/< True if the user requests fast capture processing on this card. Higher level applications can use this value to provide a faster but possibly unprecise capture (for example, libpcap doesn't convert the timestamps). */
+        #endif /* HAVE_DAG_API */
+    } ADAPTER, * LPADAPTER;
+
+/*!
+ * \brief Structure that contains a group of packets coming from the driver.
+ *
+ * This structure defines the header associated with every packet delivered to the application.
+ */
+    typedef struct _PACKET
+    {
+        HANDLE hEvent;          /*/< \deprecated Still present for compatibility with old applications. */
+        OVERLAPPED OverLapped;  /*/< \deprecated Still present for compatibility with old applications. */
+        PVOID Buffer;           /*/< Buffer with containing the packets. See the PacketReceivePacket() for */
+        /*/< details about the organization of the data in this buffer */
+        UINT Length;            /*/< Length of the buffer */
+        DWORD ulBytesReceived;  /*/< Number of valid bytes present in the buffer, i.e. amount of data */
+        /*/< received by the last call to PacketReceivePacket() */
+        BOOLEAN bIoComplete;    /*/< \deprecated Still present for compatibility with old applications. */
+    } PACKET, * LPPACKET;
+
+/*!
+ * \brief Structure containing an OID request.
+ *
+ * It is used by the PacketRequest() function to send an OID to the interface card driver.
+ * It can be used, for example, to retrieve the status of the error counters on the adapter, its MAC address,
+ * the list of the multicast groups defined on it, and so on.
+ */
+    struct _PACKET_OID_DATA
+    {
+        ULONG Oid;              /*/< OID code. See the Microsoft DDK documentation or the file ntddndis.h */
+        /*/< for a complete list of valid codes. */
+        ULONG Length;           /*/< Length of the data field */
+        UCHAR Data[ 1 ];        /*/< variable-lenght field that contains the information passed to or received */
+        /*/< from the adapter. */
+    };
+    typedef struct _PACKET_OID_DATA PACKET_OID_DATA, * PPACKET_OID_DATA;
+
+    #ifdef __cplusplus
+        extern "C" {
+    #endif
+
+/**
+ *  @}
+ */
+
+/*
+ * BOOLEAN QueryWinPcapRegistryStringA(CHAR *SubKeyName,
+ *                               CHAR *Value,
+ *                               UINT *pValueLen,
+ *                               CHAR *DefaultVal);
+ *
+ * BOOLEAN QueryWinPcapRegistryStringW(WCHAR *SubKeyName,
+ *                               WCHAR *Value,
+ *                               UINT *pValueLen,
+ *                               WCHAR *DefaultVal);
+ */
+
+/*--------------------------------------------------------------------------- */
+/* EXPORTED FUNCTIONS */
+/*--------------------------------------------------------------------------- */
+
+    PCHAR PacketGetVersion();
+    PCHAR PacketGetDriverVersion();
+    BOOLEAN PacketSetMinToCopy( LPADAPTER AdapterObject,
+                                int nbytes );
+    BOOLEAN PacketSetNumWrites( LPADAPTER AdapterObject,
+                                int nwrites );
+    BOOLEAN PacketSetMode( LPADAPTER AdapterObject,
+                           int mode );
+    BOOLEAN PacketSetReadTimeout( LPADAPTER AdapterObject,
+                                  int timeout );
+    BOOLEAN PacketSetBpf( LPADAPTER AdapterObject,
+                          struct bpf_program * fp );
+    BOOLEAN PacketSetLoopbackBehavior( LPADAPTER AdapterObject,
+                                       UINT LoopbackBehavior );
+    INT PacketSetSnapLen( LPADAPTER AdapterObject,
+                          int snaplen );
+    BOOLEAN PacketGetStats( LPADAPTER AdapterObject,
+                            struct bpf_stat * s );
+    BOOLEAN PacketGetStatsEx( LPADAPTER AdapterObject,
+                              struct bpf_stat * s );
+    BOOLEAN PacketSetBuff( LPADAPTER AdapterObject,
+                           int dim );
+    BOOLEAN PacketGetNetType( LPADAPTER AdapterObject,
+                              NetType * type );
+    LPADAPTER PacketOpenAdapter( PCHAR AdapterName );
+    BOOLEAN PacketSendPacket( LPADAPTER AdapterObject,
+                              LPPACKET pPacket,
+                              BOOLEAN Sync );
+    INT PacketSendPackets( LPADAPTER AdapterObject,
+                           PVOID PacketBuff,
+                           ULONG Size,
+                           BOOLEAN Sync );
+    LPPACKET PacketAllocatePacket( void );
+    VOID PacketInitPacket( LPPACKET lpPacket,
+                           PVOID Buffer,
+                           UINT Length );
+    VOID PacketFreePacket( LPPACKET lpPacket );
+    BOOLEAN PacketReceivePacket( LPADAPTER AdapterObject,
+                                 LPPACKET lpPacket,
+                                 BOOLEAN Sync );
+    BOOLEAN PacketSetHwFilter( LPADAPTER AdapterObject,
+                               ULONG Filter );
+    BOOLEAN PacketGetAdapterNames( PTSTR pStr,
+                                   PULONG BufferSize );
+    BOOLEAN PacketGetNetInfoEx( PCHAR AdapterName,
+                                npf_if_addr * buffer,
+                                PLONG NEntries );
+    BOOLEAN PacketRequest( LPADAPTER AdapterObject,
+                           BOOLEAN Set,
+                           PPACKET_OID_DATA OidData );
+    HANDLE PacketGetReadEvent( LPADAPTER AdapterObject );
+    BOOLEAN PacketSetDumpName( LPADAPTER AdapterObject,
+                               void * name,
+                               int len );
+    BOOLEAN PacketSetDumpLimits( LPADAPTER AdapterObject,
+                                 UINT maxfilesize,
+                                 UINT maxnpacks );
+    BOOLEAN PacketIsDumpEnded( LPADAPTER AdapterObject,
+                               BOOLEAN sync );
+    BOOL PacketStopDriver();
+    VOID PacketCloseAdapter( LPADAPTER lpAdapter );
+    BOOLEAN PacketStartOem( PCHAR errorString,
+                            UINT errorStringLength );
+    BOOLEAN PacketStartOemEx( PCHAR errorString,
+                              UINT errorStringLength,
+                              ULONG flags );
+    PAirpcapHandle PacketGetAirPcapHandle( LPADAPTER AdapterObject );
+
+/* */
+/* Used by PacketStartOemEx */
+/* */
+    #define PACKET_START_OEM_NO_NETMON    0x00000001
+
+    #ifdef __cplusplus
+        }
+    #endif
+
+#endif /*__PACKET32 */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/PacketData.h

@@ -0,0 +1,306 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+
+char pkt1[] = {
+    0x00, 0x01, 0x02, 0x45, 0x09, 0x11, 0x00, 0x14,
+    0x22, 0xcb, 0x18, 0x2d, 0x08, 0x00, 0x45, 0x00,
+    0x00, 0x30, 0x09, 0x9c, 0x40, 0x00, 0x80, 0x06,
+    0x6f, 0x07, 0xc0, 0xa8, 0x00, 0xc8, 0xc0, 0xa8,
+    0x00, 0x0c, 0x0f, 0xe2, 0x00, 0x50, 0x09, 0xe7,
+    0xc7, 0x35, 0x00, 0x00, 0x00, 0x00, 0x70, 0x02,
+    0x40, 0x00, 0xdf, 0xab, 0x00, 0x00, 0x02, 0x04,
+    0x05, 0xb4, 0x01, 0x01, 0x04, 0x02
+};
+
+char pkt2[] = {
+    0x00, 0x14, 0x22, 0xcb, 0x18, 0x2d, 0x00, 0x01,
+    0x02, 0x45, 0x09, 0x11, 0x08, 0x00, 0x45, 0x00,
+    0x00, 0x2c, 0x00, 0x01, 0x00, 0x00, 0x40, 0x06,
+    0xf8, 0xa6, 0xc0, 0xa8, 0x00, 0x0c, 0xc0, 0xa8,
+    0x00, 0xc8, 0x00, 0x50, 0x0f, 0xe2, 0x00, 0x00,
+    0x06, 0x68, 0x09, 0xe7, 0xc7, 0x36, 0x60, 0x12,
+    0x05, 0x92, 0x28, 0xca, 0x00, 0x00, 0x02, 0x04,
+    0x05, 0x92
+};
+
+char pkt3[] = {
+    0x00, 0x01, 0x02, 0x45, 0x09, 0x11, 0x00, 0x14,
+    0x22, 0xcb, 0x18, 0x2d, 0x08, 0x00, 0x45, 0x00,
+    0x00, 0x28, 0x09, 0x9e, 0x40, 0x00, 0x80, 0x06,
+    0x6f, 0x0d, 0xc0, 0xa8, 0x00, 0xc8, 0xc0, 0xa8,
+    0x00, 0x0c, 0x0f, 0xe2, 0x00, 0x50, 0x09, 0xe7,
+    0xc7, 0x36, 0x00, 0x00, 0x06, 0x69, 0x50, 0x10,
+    0x42, 0xd8, 0x82, 0x3f, 0x00, 0x00
+};
+
+char pkt4[] = {
+    0x00, 0x01, 0x02, 0x45, 0x09, 0x11, 0x00, 0x14,
+    0x22, 0xcb, 0x18, 0x2d, 0x08, 0x00, 0x45, 0x00,
+    0x02, 0x27, 0x09, 0x9f, 0x40, 0x00, 0x80, 0x06,
+    0x6d, 0x0d, 0xc0, 0xa8, 0x00, 0xc8, 0xc0, 0xa8,
+    0x00, 0x0c, 0x0f, 0xe2, 0x00, 0x50, 0x09, 0xe7,
+    0xc7, 0x36, 0x00, 0x00, 0x06, 0x69, 0x50, 0x18,
+    0x42, 0xd8, 0x84, 0x3e, 0x00, 0x00, 0x47, 0x45,
+    0x54, 0x20, 0x2f, 0x20, 0x48, 0x54, 0x54, 0x50,
+    0x2f, 0x31, 0x2e, 0x31, 0x0d, 0x0a, 0x41, 0x63,
+    0x63, 0x65, 0x70, 0x74, 0x3a, 0x20, 0x69, 0x6d,
+    0x61, 0x67, 0x65, 0x2f, 0x67, 0x69, 0x66, 0x2c,
+    0x20, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x78,
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+    0x65, 0x6e, 0x74, 0x2c, 0x20, 0x61, 0x70, 0x70,
+    0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e,
+    0x2f, 0x78, 0x61, 0x6d, 0x6c, 0x2b, 0x78, 0x6d,
+    0x6c, 0x2c, 0x20, 0x2a, 0x2f, 0x2a, 0x0d, 0x0a,
+    0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x4c,
+    0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, 0x3a,
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+    0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x45,
+    0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x3a,
+    0x20, 0x67, 0x7a, 0x69, 0x70, 0x2c, 0x20, 0x64,
+    0x65, 0x66, 0x6c, 0x61, 0x74, 0x65, 0x0d, 0x0a,
+    0x55, 0x73, 0x65, 0x72, 0x2d, 0x41, 0x67, 0x65,
+    0x6e, 0x74, 0x3a, 0x20, 0x4d, 0x6f, 0x7a, 0x69,
+    0x6c, 0x6c, 0x61, 0x2f, 0x34, 0x2e, 0x30, 0x20,
+    0x28, 0x63, 0x6f, 0x6d, 0x70, 0x61, 0x74, 0x69,
+    0x62, 0x6c, 0x65, 0x3b, 0x20, 0x4d, 0x53, 0x49,
+    0x45, 0x20, 0x36, 0x2e, 0x30, 0x3b, 0x20, 0x57,
+    0x69, 0x6e, 0x64, 0x6f, 0x77, 0x73, 0x20, 0x4e,
+    0x54, 0x20, 0x35, 0x2e, 0x31, 0x3b, 0x20, 0x53,
+    0x56, 0x31, 0x3b, 0x20, 0x47, 0x6f, 0x6f, 0x67,
+    0x6c, 0x65, 0x54, 0x35, 0x3b, 0x20, 0x2e, 0x4e,
+    0x45, 0x54, 0x20, 0x43, 0x4c, 0x52, 0x20, 0x32,
+    0x2e, 0x30, 0x2e, 0x35, 0x30, 0x37, 0x32, 0x37,
+    0x3b, 0x20, 0x2e, 0x4e, 0x45, 0x54, 0x20, 0x43,
+    0x4c, 0x52, 0x20, 0x33, 0x2e, 0x30, 0x2e, 0x30,
+    0x34, 0x35, 0x30, 0x36, 0x2e, 0x36, 0x34, 0x38,
+    0x3b, 0x20, 0x2e, 0x4e, 0x45, 0x54, 0x20, 0x43,
+    0x4c, 0x52, 0x20, 0x33, 0x2e, 0x35, 0x2e, 0x32,
+    0x31, 0x30, 0x32, 0x32, 0x29, 0x0d, 0x0a, 0x48,
+    0x6f, 0x73, 0x74, 0x3a, 0x20, 0x31, 0x39, 0x32,
+    0x2e, 0x31, 0x36, 0x38, 0x2e, 0x30, 0x2e, 0x31,
+    0x32, 0x0d, 0x0a, 0x43, 0x6f, 0x6e, 0x6e, 0x65,
+    0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x4b,
+    0x65, 0x65, 0x70, 0x2d, 0x41, 0x6c, 0x69, 0x76,
+    0x65, 0x0d, 0x0a, 0x0d, 0x0a
+};
+
+char pkt5[] = {
+    0x00, 0x14, 0x22, 0xcb, 0x18, 0x2d, 0x00, 0x01,
+    0x02, 0x45, 0x09, 0x11, 0x08, 0x00, 0x45, 0x00,
+    0x00, 0x2c, 0x00, 0x02, 0x00, 0x00, 0x40, 0x06,
+    0xf8, 0xa5, 0xc0, 0xa8, 0x00, 0x0c, 0xc0, 0xa8,
+    0x00, 0xc8, 0x00, 0x50, 0x0f, 0xe2, 0x00, 0x00,
+    0x06, 0x68, 0x09, 0xe7, 0xc7, 0x36, 0x60, 0x12,
+    0x05, 0x92, 0x28, 0xca, 0x00, 0x00, 0x02, 0x04,
+    0x05, 0x92
+};
+
+char pkt6[] = {
+    0x00, 0x01, 0x02, 0x45, 0x09, 0x11, 0x00, 0x14,
+    0x22, 0xcb, 0x18, 0x2d, 0x08, 0x00, 0x45, 0x00,
+    0x00, 0x28, 0x09, 0xa1, 0x40, 0x00, 0x80, 0x06,
+    0x6f, 0x0a, 0xc0, 0xa8, 0x00, 0xc8, 0xc0, 0xa8,
+    0x00, 0x0c, 0x0f, 0xe2, 0x00, 0x50, 0x09, 0xe7,
+    0xc9, 0x35, 0x00, 0x00, 0x06, 0x69, 0x50, 0x10,
+    0x42, 0xd8, 0x82, 0x3f, 0x00, 0x00
+};
+
+char pkt7[] = {
+    0x00, 0x01, 0x02, 0x45, 0x09, 0x11, 0x00, 0x14,
+    0x22, 0xcb, 0x18, 0x2d, 0x08, 0x00, 0x45, 0x00,
+    0x02, 0x27, 0x09, 0xa2, 0x40, 0x00, 0x80, 0x06,
+    0x6d, 0x0a, 0xc0, 0xa8, 0x00, 0xc8, 0xc0, 0xa8,
+    0x00, 0x0c, 0x0f, 0xe2, 0x00, 0x50, 0x09, 0xe7,
+    0xc7, 0x36, 0x00, 0x00, 0x06, 0x69, 0x50, 0x18,
+    0x42, 0xd8, 0x84, 0x3e, 0x00, 0x00, 0x47, 0x45,
+    0x54, 0x20, 0x2f, 0x20, 0x48, 0x54, 0x54, 0x50,
+    0x2f, 0x31, 0x2e, 0x31, 0x0d, 0x0a, 0x41, 0x63,
+    0x63, 0x65, 0x70, 0x74, 0x3a, 0x20, 0x69, 0x6d,
+    0x61, 0x67, 0x65, 0x2f, 0x67, 0x69, 0x66, 0x2c,
+    0x20, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x78,
+    0x2d, 0x78, 0x62, 0x69, 0x74, 0x6d, 0x61, 0x70,
+    0x2c, 0x20, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f,
+    0x6a, 0x70, 0x65, 0x67, 0x2c, 0x20, 0x69, 0x6d,
+    0x61, 0x67, 0x65, 0x2f, 0x70, 0x6a, 0x70, 0x65,
+    0x67, 0x2c, 0x20, 0x61, 0x70, 0x70, 0x6c, 0x69,
+    0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x76,
+    0x6e, 0x64, 0x2e, 0x6d, 0x73, 0x2d, 0x65, 0x78,
+    0x63, 0x65, 0x6c, 0x2c, 0x20, 0x61, 0x70, 0x70,
+    0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e,
+    0x2f, 0x6d, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x2c,
+    0x20, 0x61, 0x70, 0x70, 0x6c, 0x69, 0x63, 0x61,
+    0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x76, 0x6e, 0x64,
+    0x2e, 0x6d, 0x73, 0x2d, 0x70, 0x6f, 0x77, 0x65,
+    0x72, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x2c, 0x20,
+    0x61, 0x70, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x74,
+    0x69, 0x6f, 0x6e, 0x2f, 0x78, 0x2d, 0x6d, 0x73,
+    0x2d, 0x61, 0x70, 0x70, 0x6c, 0x69, 0x63, 0x61,
+    0x74, 0x69, 0x6f, 0x6e, 0x2c, 0x20, 0x61, 0x70,
+    0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f,
+    0x6e, 0x2f, 0x78, 0x2d, 0x6d, 0x73, 0x2d, 0x78,
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+    0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e,
+    0x2f, 0x76, 0x6e, 0x64, 0x2e, 0x6d, 0x73, 0x2d,
+    0x78, 0x70, 0x73, 0x64, 0x6f, 0x63, 0x75, 0x6d,
+    0x65, 0x6e, 0x74, 0x2c, 0x20, 0x61, 0x70, 0x70,
+    0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e,
+    0x2f, 0x78, 0x61, 0x6d, 0x6c, 0x2b, 0x78, 0x6d,
+    0x6c, 0x2c, 0x20, 0x2a, 0x2f, 0x2a, 0x0d, 0x0a,
+    0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x4c,
+    0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, 0x3a,
+    0x20, 0x65, 0x6e, 0x2d, 0x67, 0x62, 0x0d, 0x0a,
+    0x41, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x45,
+    0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x3a,
+    0x20, 0x67, 0x7a, 0x69, 0x70, 0x2c, 0x20, 0x64,
+    0x65, 0x66, 0x6c, 0x61, 0x74, 0x65, 0x0d, 0x0a,
+    0x55, 0x73, 0x65, 0x72, 0x2d, 0x41, 0x67, 0x65,
+    0x6e, 0x74, 0x3a, 0x20, 0x4d, 0x6f, 0x7a, 0x69,
+    0x6c, 0x6c, 0x61, 0x2f, 0x34, 0x2e, 0x30, 0x20,
+    0x28, 0x63, 0x6f, 0x6d, 0x70, 0x61, 0x74, 0x69,
+    0x62, 0x6c, 0x65, 0x3b, 0x20, 0x4d, 0x53, 0x49,
+    0x45, 0x20, 0x36, 0x2e, 0x30, 0x3b, 0x20, 0x57,
+    0x69, 0x6e, 0x64, 0x6f, 0x77, 0x73, 0x20, 0x4e,
+    0x54, 0x20, 0x35, 0x2e, 0x31, 0x3b, 0x20, 0x53,
+    0x56, 0x31, 0x3b, 0x20, 0x47, 0x6f, 0x6f, 0x67,
+    0x6c, 0x65, 0x54, 0x35, 0x3b, 0x20, 0x2e, 0x4e,
+    0x45, 0x54, 0x20, 0x43, 0x4c, 0x52, 0x20, 0x32,
+    0x2e, 0x30, 0x2e, 0x35, 0x30, 0x37, 0x32, 0x37,
+    0x3b, 0x20, 0x2e, 0x4e, 0x45, 0x54, 0x20, 0x43,
+    0x4c, 0x52, 0x20, 0x33, 0x2e, 0x30, 0x2e, 0x30,
+    0x34, 0x35, 0x30, 0x36, 0x2e, 0x36, 0x34, 0x38,
+    0x3b, 0x20, 0x2e, 0x4e, 0x45, 0x54, 0x20, 0x43,
+    0x4c, 0x52, 0x20, 0x33, 0x2e, 0x35, 0x2e, 0x32,
+    0x31, 0x30, 0x32, 0x32, 0x29, 0x0d, 0x0a, 0x48,
+    0x6f, 0x73, 0x74, 0x3a, 0x20, 0x31, 0x39, 0x32,
+    0x2e, 0x31, 0x36, 0x38, 0x2e, 0x30, 0x2e, 0x31,
+    0x32, 0x0d, 0x0a, 0x43, 0x6f, 0x6e, 0x6e, 0x65,
+    0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x4b,
+    0x65, 0x65, 0x70, 0x2d, 0x41, 0x6c, 0x69, 0x76,
+    0x65, 0x0d, 0x0a, 0x0d, 0x0a
+};
+
+char pkt8[] = {
+    0x00, 0x14, 0x22, 0xcb, 0x18, 0x2d, 0x00, 0x01,
+    0x02, 0x45, 0x09, 0x11, 0x08, 0x00, 0x45, 0x00,
+    0x00, 0x2c, 0x00, 0x03, 0x00, 0x00, 0x40, 0x06,
+    0xf8, 0xa4, 0xc0, 0xa8, 0x00, 0x0c, 0xc0, 0xa8,
+    0x00, 0xc8, 0x00, 0x50, 0x0f, 0xe2, 0x00, 0x00,
+    0x06, 0x68, 0x09, 0xe7, 0xc7, 0x36, 0x60, 0x12,
+    0x05, 0x92, 0x28, 0xca, 0x00, 0x00, 0x02, 0x04,
+    0x05, 0x92
+};
+
+char pkt9[] = {
+    0x00, 0x01, 0x02, 0x45, 0x09, 0x11, 0x00, 0x14,
+    0x22, 0xcb, 0x18, 0x2d, 0x08, 0x00, 0x45, 0x00,
+    0x00, 0x28, 0x09, 0xa3, 0x40, 0x00, 0x80, 0x06,
+    0x6f, 0x08, 0xc0, 0xa8, 0x00, 0xc8, 0xc0, 0xa8,
+    0x00, 0x0c, 0x0f, 0xe2, 0x00, 0x50, 0x09, 0xe7,
+    0xc9, 0x35, 0x00, 0x00, 0x06, 0x69, 0x50, 0x10,
+    0x42, 0xd8, 0x82, 0x3f, 0x00, 0x00
+};
+
+char pkt10[] = {
+    0x00, 0x14, 0x22, 0xcb, 0x18, 0x2d, 0x00, 0x01,
+    0x02, 0x45, 0x09, 0x11, 0x08, 0x00, 0x45, 0x00,
+    0x00, 0x2c, 0x00, 0x04, 0x00, 0x00, 0x40, 0x06,
+    0xf8, 0xa3, 0xc0, 0xa8, 0x00, 0x0c, 0xc0, 0xa8,
+    0x00, 0xc8, 0x00, 0x50, 0x0f, 0xe2, 0x00, 0x00,
+    0x06, 0x68, 0x09, 0xe7, 0xc7, 0x36, 0x60, 0x12,
+    0x05, 0x92, 0x28, 0xca, 0x00, 0x00, 0x02, 0x04,
+    0x05, 0x92
+};
+
+char pkt11[] = {
+    0x00, 0x01, 0x02, 0x45, 0x09, 0x11, 0x00, 0x14,
+    0x22, 0xcb, 0x18, 0x2d, 0x08, 0x00, 0x45, 0x00,
+    0x00, 0x28, 0x09, 0xa6, 0x40, 0x00, 0x80, 0x06,
+    0x6f, 0x05, 0xc0, 0xa8, 0x00, 0xc8, 0xc0, 0xa8,
+    0x00, 0x0c, 0x0f, 0xe2, 0x00, 0x50, 0x09, 0xe7,
+    0xc9, 0x35, 0x00, 0x00, 0x06, 0x69, 0x50, 0x10,
+    0x42, 0xd8, 0x82, 0x3f, 0x00, 0x00
+};
+
+char pkt12[] = {
+    0x00, 0x01, 0x02, 0x45, 0x09, 0x11, 0x00, 0x14,
+    0x22, 0xcb, 0x18, 0x2d, 0x08, 0x00, 0x45, 0x00,
+    0x00, 0x28, 0x09, 0xa7, 0x40, 0x00, 0x80, 0x06,
+    0x6f, 0x04, 0xc0, 0xa8, 0x00, 0xc8, 0xc0, 0xa8,
+    0x00, 0x0c, 0x0f, 0xe2, 0x00, 0x50, 0x09, 0xe7,
+    0xc9, 0x35, 0x00, 0x00, 0x06, 0x69, 0x50, 0x14,
+    0x00, 0x00, 0x43, 0xf4, 0x00, 0x00
+};
+
+
+typedef struct
+{
+    char * pcData;
+    int iDataLen;
+} xPacketData;
+
+xPacketData xAllPackets[] =
+{
+    { pkt1,  sizeof( pkt1 )  },
+/*	{ pkt2, sizeof( pkt2 ) }, */
+    { pkt3,  sizeof( pkt3 )  },
+    { pkt4,  sizeof( pkt4 )  },
+/*	{ pkt5, sizeof( pkt5 ) }, */
+    { pkt6,  sizeof( pkt6 )  },
+    { pkt7,  sizeof( pkt7 )  },
+    { pkt8,  sizeof( pkt8 )  },
+    { pkt9,  sizeof( pkt9 )  },
+    { pkt10, sizeof( pkt10 ) },
+/*	{ pkt11, sizeof( pkt11 ) }, */
+/*	{ pkt12, sizeof( pkt12 ) }, */
+/*	{ pkt13, sizeof( pkt13 ) }, */
+/*	{ pkt14, sizeof( pkt14 ) }, */
+/*	{ pkt15, sizeof( pkt15 ) }, */
+/*	{ pkt16, sizeof( pkt16 ) }, */
+};

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/Win32-Extensions.h

@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 1999 - 2005 NetGroup, Politecnico di Torino (Italy)
+ * Copyright (c) 2005 - 2006 CACE Technologies, Davis (California)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Politecnico di Torino, CACE Technologies
+ * nor the names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef __WIN32_EXTENSIONS_H__
+    #define __WIN32_EXTENSIONS_H__
+
+    #ifdef __cplusplus
+        extern "C" {
+    #endif
+
+/* Definitions */
+
+/*!
+ * \brief A queue of raw packets that will be sent to the network with pcap_sendqueue_transmit().
+ */
+    struct pcap_send_queue
+    {
+        u_int maxlen;  /*/< Maximum size of the the queue, in bytes. This variable contains the size of the buffer field. */
+        u_int len;     /*/< Current size of the queue, in bytes. */
+        char * buffer; /*/< Buffer containing the packets to be sent. */
+    };
+
+    typedef struct pcap_send_queue      pcap_send_queue;
+
+/*!
+ * \brief This typedef is a support for the pcap_get_airpcap_handle() function
+ */
+    #if !defined( AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_ )
+        #define AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_
+        typedef struct _AirpcapHandle   * PAirpcapHandle;
+    #endif
+
+    #define     BPF_MEM_EX_IMM            0xc0
+    #define     BPF_MEM_EX_IND            0xe0
+
+/*used for ST*/
+    #define     BPF_MEM_EX                0xc0
+    #define     BPF_TME                   0x08
+
+    #define     BPF_LOOKUP                0x90
+    #define     BPF_EXECUTE               0xa0
+    #define     BPF_INIT                  0xb0
+    #define     BPF_VALIDATE              0xc0
+    #define     BPF_SET_ACTIVE            0xd0
+    #define     BPF_RESET                 0xe0
+    #define     BPF_SET_MEMORY            0x80
+    #define     BPF_GET_REGISTER_VALUE    0x70
+    #define     BPF_SET_REGISTER_VALUE    0x60
+    #define     BPF_SET_WORKING           0x50
+    #define     BPF_SET_ACTIVE_READ       0x40
+    #define     BPF_SET_AUTODELETION      0x30
+    #define     BPF_SEPARATION            0xff
+
+/* Prototypes */
+    pcap_send_queue * pcap_sendqueue_alloc( u_int memsize );
+
+    void pcap_sendqueue_destroy( pcap_send_queue * queue );
+
+    int pcap_sendqueue_queue( pcap_send_queue * queue,
+                              const struct pcap_pkthdr * pkt_header,
+                              const u_char * pkt_data );
+
+    u_int pcap_sendqueue_transmit( pcap_t * p,
+                                   pcap_send_queue * queue,
+                                   int sync );
+
+    HANDLE pcap_getevent( pcap_t * p );
+
+    struct pcap_stat * pcap_stats_ex( pcap_t * p,
+                                      int * pcap_stat_size );
+
+    int pcap_setuserbuffer( pcap_t * p,
+                            int size );
+
+    int pcap_live_dump( pcap_t * p,
+                        char * filename,
+                        int maxsize,
+                        int maxpacks );
+
+    int pcap_live_dump_ended( pcap_t * p,
+                              int sync );
+
+    int pcap_offline_filter( struct bpf_program * prog,
+                             const struct pcap_pkthdr * header,
+                             const u_char * pkt_data );
+
+    int pcap_start_oem( char * err_str,
+                        int flags );
+
+    PAirpcapHandle pcap_get_airpcap_handle( pcap_t * p );
+
+    #ifdef __cplusplus
+        }
+    #endif
+
+#endif /*__WIN32_EXTENSIONS_H__ */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/arch.c

@@ -0,0 +1,335 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/* WinPCap includes. */
+#include "pcap.h"
+#include "remote-ext.h"
+
+/* uIP includes. */
+#include "net/uip.h"
+#include "net/uip_arp.h"
+#include "net/clock-arch.h"
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+#include "queue.h"
+
+/*
+ * Query the computer the simulation is being executed on to find the network
+ * interfaces it has installed.
+ */
+static pcap_if_t * prvPrintAvailableNetworkInterfaces( void );
+
+/*
+ * Open the network interface.  The number of the interface to be opened is set
+ * by the configNETWORK_INTERFACE_TO_USE constant in FreeRTOSConfig.h.
+ */
+static void prvOpenSelectedNetworkInterface( pcap_if_t *pxAllNetworkInterfaces );
+
+/*
+ * Configure the capture filter to allow blocking reads, and to filter out
+ * packets that are not of interest to this demo.
+ */
+static void prvConfigureCaptureBehaviour( void );
+
+pcap_t *pxOpenedInterfaceHandle = NULL;
+LARGE_INTEGER freq, sys_start_time;
+
+#define archNUM_BUFFERS	5
+#define archNUM_BUFFER_POINTERS ( archNUM_BUFFERS - 1 )
+
+static void prvInterruptSimulator( void *pvParameters );
+
+static unsigned char ucEthernetBuffer[ archNUM_BUFFERS ][ UIP_CONF_BUFFER_SIZE ];
+static unsigned char *pucEthernetBufferPointers[ archNUM_BUFFER_POINTERS ];
+
+static long lLengthOfDataInBuffer[ archNUM_BUFFER_POINTERS ] = { 0 };
+static unsigned char ucNextBufferToFill = 0U, ucNextBufferToProcess = 0U;
+
+unsigned char *uip_buf = NULL;
+char cErrorBuffer[PCAP_ERRBUF_SIZE];
+
+void vNetifTx( void )
+{
+	pcap_sendpacket( pxOpenedInterfaceHandle, uip_buf, uip_len );
+	pcap_sendpacket( pxOpenedInterfaceHandle, uip_buf, uip_len );
+}
+/*-----------------------------------------------------------*/
+
+UBaseType_t uxNetifRx( void )
+{
+UBaseType_t xDataLen;
+unsigned char *pucTemp;
+
+	/* Check there is really data available. */
+	xDataLen = lLengthOfDataInBuffer[ ucNextBufferToProcess ];
+	if( xDataLen != 0L )
+	{
+
+		/* The buffer pointed to by uip_buf is going to change.  Remember which
+		buffer uip_buf is currently pointing to. */
+		pucTemp = uip_buf;
+
+		/* Point uip_buf at the next buffer that contains data. */
+		uip_buf = pucEthernetBufferPointers[ ucNextBufferToProcess ];
+
+		/* The buffer pointed to by 
+		pucEthernetBufferPointeres[ ucNextBufferToProcess ] is now in use by
+		uip_buf, but the buffer uip_buf was pointing to on entry to this
+		function is free.  Set 
+		pucEthernetBufferPointeres[ ucNextBufferToProcess ] to the free 
+		buffer. */
+		pucEthernetBufferPointers[ ucNextBufferToProcess ] = pucTemp;
+		lLengthOfDataInBuffer[ ucNextBufferToProcess ] = 0L;
+
+		ucNextBufferToProcess++;
+		if( ucNextBufferToProcess >= archNUM_BUFFER_POINTERS )
+		{
+			ucNextBufferToProcess = 0L;
+		}
+	}
+
+	return xDataLen;
+}
+/*-----------------------------------------------------------*/
+
+BaseType_t xNetifInit( void )
+{
+BaseType_t x;
+pcap_if_t *pxAllNetworkInterfaces;
+
+	/* Allocate a free buffer to each buffer pointer. */
+	for( x = 0; x < sizeof( pucEthernetBufferPointers ) / sizeof( unsigned char * ); x++ )
+	{
+		pucEthernetBufferPointers[ x ] = &( ucEthernetBuffer[ x ][ 0 ] );
+	}
+
+	/* Start with uip_buf pointing to a buffer that is not referenced from the
+	pucEthernetBufferPointers[] array. */
+	uip_buf = &( ucEthernetBuffer[ archNUM_BUFFERS - 1 ][ 0 ] );
+
+	/* Query the computer the simulation is being executed on to find the 
+	network interfaces it has installed. */
+	pxAllNetworkInterfaces = prvPrintAvailableNetworkInterfaces();
+	
+	/* Open the network interface.  The number of the interface to be opened is 
+	set by the configNETWORK_INTERFACE_TO_USE constant in FreeRTOSConfig.h.
+	Calling this function will set the pxOpenedInterfaceHandle variable.  If,
+	after calling this function, pxOpenedInterfaceHandle is equal to NULL, then
+	the interface could not be opened. */
+	if( pxAllNetworkInterfaces != NULL )
+	{
+		prvOpenSelectedNetworkInterface( pxAllNetworkInterfaces );
+	}
+	
+
+	return x;
+}
+/*-----------------------------------------------------------*/
+
+static pcap_if_t * prvPrintAvailableNetworkInterfaces( void )
+{    
+pcap_if_t * pxAllNetworkInterfaces = NULL, *xInterface;
+long lInterfaceNumber = 1;
+
+    if( pcap_findalldevs_ex( PCAP_SRC_IF_STRING, NULL, &pxAllNetworkInterfaces, cErrorBuffer ) == -1 )
+    {
+        printf( "\r\nCould not obtain a list of network interfaces\r\n%s\r\n", cErrorBuffer );
+        pxAllNetworkInterfaces = NULL;
+    }
+
+	if( pxAllNetworkInterfaces != NULL )
+	{
+		/* Print out the list of network interfaces.  The first in the list
+		is interface '1', not interface '0'. */
+		for( xInterface = pxAllNetworkInterfaces; xInterface != NULL; xInterface = xInterface->next )
+		{
+			printf( "%d. %s", lInterfaceNumber, xInterface->name );
+			
+			if( xInterface->description != NULL )
+			{
+				printf( " (%s)\r\n", xInterface->description );
+			}
+			else
+			{
+				printf( " (No description available)\r\n") ;
+			}
+			
+			lInterfaceNumber++;
+		}
+	}
+
+    if( lInterfaceNumber == 1 )
+    {
+		/* The interface number was never incremented, so the above for() loop
+		did not execute meaning no interfaces were found. */
+        printf( " \r\nNo network interfaces were found.\r\n" );
+        pxAllNetworkInterfaces = NULL;
+    }
+
+	printf( "\r\nThe interface that will be opened is set by configNETWORK_INTERFACE_TO_USE which should be defined in FreeRTOSConfig.h\r\n" );
+	printf( "Attempting to open interface number %d.\r\n", configNETWORK_INTERFACE_TO_USE );
+	
+    if( ( configNETWORK_INTERFACE_TO_USE < 1L ) || ( configNETWORK_INTERFACE_TO_USE > lInterfaceNumber ) )
+    {
+        printf("\r\nconfigNETWORK_INTERFACE_TO_USE is not in the valid range.\r\n" );
+		
+		if( pxAllNetworkInterfaces != NULL )
+		{
+			/* Free the device list, as no devices are going to be opened. */
+			pcap_freealldevs( pxAllNetworkInterfaces );
+			pxAllNetworkInterfaces = NULL;
+		}
+    }
+
+	return pxAllNetworkInterfaces;
+}
+/*-----------------------------------------------------------*/
+
+static void prvOpenSelectedNetworkInterface( pcap_if_t *pxAllNetworkInterfaces )
+{
+pcap_if_t *xInterface;
+long x;
+
+    /* Walk the list of devices until the selected device is located. */
+	xInterface = pxAllNetworkInterfaces;
+    for( x = 0L; x < ( configNETWORK_INTERFACE_TO_USE - 1L ); x++ )
+	{
+		xInterface = xInterface->next;
+	}
+
+    /* Open the selected interface. */
+	pxOpenedInterfaceHandle = pcap_open(	xInterface->name,          	/* The name of the selected interface. */
+											UIP_CONF_BUFFER_SIZE, 		/* The size of the packet to capture. */
+											PCAP_OPENFLAG_PROMISCUOUS,	/* Open in promiscious mode as the MAC and 
+																		IP address is going to be "simulated", and 
+																		not be the real MAC and IP address.  This allows
+																		trafic to the simulated IP address to be routed
+																		to uIP, and trafic to the real IP address to be
+																		routed to the Windows TCP/IP stack. */
+											0xfffffffL,             	/* The read time out.  This is going to block
+																		until data is available. */
+											NULL,             			/* No authentication is required as this is
+																		not a remote capture session. */
+											cErrorBuffer            
+									   );
+									   
+    if ( pxOpenedInterfaceHandle == NULL )
+    {
+        printf( "\r\n%s is not supported by WinPcap and cannot be opened\r\n", xInterface->name );
+    }
+	else
+	{
+		/* Configure the capture filter to allow blocking reads, and to filter 
+		out packets that are not of interest to this demo. */
+		prvConfigureCaptureBehaviour();
+	}
+
+	/* The device list is no longer required. */
+	pcap_freealldevs( pxAllNetworkInterfaces );
+}
+/*-----------------------------------------------------------*/
+
+static void prvConfigureCaptureBehaviour( void )
+{
+struct bpf_program xFilterCode;
+const long lMinBytesToCopy = 10L, lBlocking = 0L;
+unsigned long ulNetMask;
+
+	/* Unblock a read as soon as anything is received. */
+	pcap_setmintocopy( pxOpenedInterfaceHandle, lMinBytesToCopy );
+
+	/* Allow blocking. */
+	pcap_setnonblock( pxOpenedInterfaceHandle, lBlocking, cErrorBuffer );
+
+	/* Set up a filter so only the packets of interest are passed to the uIP
+	stack.  cErrorBuffer is used for convenience to create the string.  Don't
+	confuse this with an error message. */
+	sprintf( cErrorBuffer, "broadcast or multicast or host %d.%d.%d.%d", configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
+
+	ulNetMask = ( configNET_MASK3 << 24UL ) | ( configNET_MASK2 << 16UL ) | ( configNET_MASK1 << 8L ) | configNET_MASK0;
+
+	if( pcap_compile(pxOpenedInterfaceHandle, &xFilterCode, cErrorBuffer, 1, ulNetMask ) < 0 )
+    {
+        printf("\r\nThe packet filter string is invalid\r\n" );
+    }
+	else
+	{    
+		if( pcap_setfilter( pxOpenedInterfaceHandle, &xFilterCode ) < 0 )
+		{
+			printf( "\r\nAn error occurred setting the packet filter.\r\n" );
+		}
+	}
+
+	/* Create a task that simulates an interrupt in a real system.  This will
+	block waiting for packets, then send a message to the uIP task when data
+	is available. */
+	xTaskCreate( prvInterruptSimulator, ( signed char * ) "MAC_ISR", configMINIMAL_STACK_SIZE, NULL, ( configuIP_TASK_PRIORITY - 1 ), NULL );
+}
+/*-----------------------------------------------------------*/
+
+static void prvInterruptSimulator( void *pvParameters )
+{
+static struct pcap_pkthdr *pxHeader;
+const unsigned char *pucPacketData;
+extern QueueHandle_t xEMACEventQueue;
+const unsigned long ulRxEvent = uipETHERNET_RX_EVENT;
+long lResult;
+
+	/* Just to kill the compiler warning. */
+	( void ) pvParameters;
+
+	for( ;; )
+	{
+		/* Get the next packet. */
+		lResult = pcap_next_ex( pxOpenedInterfaceHandle, &pxHeader, &pucPacketData );
+		if( lResult )
+		{
+			/* Is the next buffer into which data should be placed free? */
+			if( lLengthOfDataInBuffer[ ucNextBufferToFill ] == 0L )
+			{
+				/* Copy the data from the captured packet into the buffer. */
+				memcpy( pucEthernetBufferPointers[ ucNextBufferToFill ], pucPacketData, pxHeader->len );
+
+				/* Note the amount of data that was copied. */
+				lLengthOfDataInBuffer[ ucNextBufferToFill ] = pxHeader->len;
+
+				/* Move onto the next buffer, wrapping around if necessary. */
+				ucNextBufferToFill++;
+				if( ucNextBufferToFill >= archNUM_BUFFER_POINTERS )
+				{
+					ucNextBufferToFill = 0U;
+				}
+
+				/* Data was received and stored.  Send a message to the uIP task
+				to let it know. */
+				xQueueSendToBack( xEMACEventQueue, &ulRxEvent, portMAX_DELAY );
+			}
+		}
+	}
+}
+

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/bittypes.h

@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 1999 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _BITTYPES_H
+#define _BITTYPES_H
+
+#ifndef HAVE_U_INT8_T
+
+    #if SIZEOF_CHAR == 1
+        typedef unsigned char   u_int8_t;
+        typedef signed char     _int8_t;
+    #elif SIZEOF_INT == 1
+        typedef unsigned int    u_int8_t;
+        typedef signed int      int8_t;
+    #else /* XXX */
+        #error "there's no appropriate type for u_int8_t"
+    #endif
+    #define HAVE_U_INT8_T    1
+    #define HAVE_INT8_T      1
+
+#endif /* HAVE_U_INT8_T */
+
+#ifndef HAVE_U_INT16_T
+
+    #if SIZEOF_SHORT == 2
+        typedef unsigned short   u_int16_t;
+        typedef signed short     _int16_t;
+    #elif SIZEOF_INT == 2
+        typedef unsigned int     u_int16_t;
+        typedef signed int       int16_t;
+    #elif SIZEOF_CHAR == 2
+        typedef unsigned char    u_int16_t;
+        typedef signed char      int16_t;
+    #else /* XXX */
+        #error "there's no appropriate type for u_int16_t"
+    #endif /* if SIZEOF_SHORT == 2 */
+    #define HAVE_U_INT16_T    1
+    #define HAVE_INT16_T      1
+
+#endif /* HAVE_U_INT16_T */
+
+#ifndef HAVE_U_INT32_T
+
+    #if SIZEOF_INT == 4
+        typedef unsigned int     u_int32_t;
+        typedef signed int       _int32_t;
+    #elif SIZEOF_LONG == 4
+        typedef unsigned long    u_int32_t;
+        typedef signed long      int32_t;
+    #elif SIZEOF_SHORT == 4
+        typedef unsigned short   u_int32_t;
+        typedef signed short     int32_t;
+    #else /* XXX */
+        #error "there's no appropriate type for u_int32_t"
+    #endif /* if SIZEOF_INT == 4 */
+    #define HAVE_U_INT32_T    1
+    #define HAVE_INT32_T      1
+
+#endif /* HAVE_U_INT32_T */
+
+#ifndef HAVE_U_INT64_T
+    #if SIZEOF_LONG_LONG == 8
+        typedef unsigned long long   u_int64_t;
+        typedef long long            int64_t;
+    #elif defined( _MSC_EXTENSIONS )
+        typedef unsigned _int64      u_int64_t;
+        typedef _int64               int64_t;
+    #elif SIZEOF_INT == 8
+        typedef unsigned int         u_int64_t;
+    #elif SIZEOF_LONG == 8
+        typedef unsigned long        u_int64_t;
+    #elif SIZEOF_SHORT == 8
+        typedef unsigned short       u_int64_t;
+    #else /* XXX */
+        #error "there's no appropriate type for u_int64_t"
+    #endif /* if SIZEOF_LONG_LONG == 8 */
+
+#endif /* HAVE_U_INT64_T */
+
+#ifndef PRId64
+    #ifdef _MSC_EXTENSIONS
+        #define PRId64    "I64d"
+    #else /* _MSC_EXTENSIONS */
+        #define PRId64    "lld"
+    #endif /* _MSC_EXTENSIONS */
+#endif /* PRId64 */
+
+#ifndef PRIo64
+    #ifdef _MSC_EXTENSIONS
+        #define PRIo64    "I64o"
+    #else /* _MSC_EXTENSIONS */
+        #define PRIo64    "llo"
+    #endif /* _MSC_EXTENSIONS */
+#endif /* PRIo64 */
+
+#ifndef PRIx64
+    #ifdef _MSC_EXTENSIONS
+        #define PRIx64    "I64x"
+    #else /* _MSC_EXTENSIONS */
+        #define PRIx64    "llx"
+    #endif /* _MSC_EXTENSIONS */
+#endif /* PRIx64 */
+
+#ifndef PRIu64
+    #ifdef _MSC_EXTENSIONS
+        #define PRIu64    "I64u"
+    #else /* _MSC_EXTENSIONS */
+        #define PRIu64    "llu"
+    #endif /* _MSC_EXTENSIONS */
+#endif /* PRIu64 */
+
+#endif /* _BITTYPES_H */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/ip6_misc.h

@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 1993, 1994, 1997
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/Win32/Include/ip6_misc.h,v 1.5 2006-01-22 18:02:18 gianluca Exp $ (LBL)
+ */
+
+/*
+ * This file contains a collage of declarations for IPv6 from FreeBSD not present in Windows
+ */
+
+#include <winsock2.h>
+
+#include <ws2tcpip.h>
+
+#ifndef __MINGW32__
+    #define IN_MULTICAST( a )    IN_CLASSD( a )
+#endif
+
+#define IN_EXPERIMENTAL( a )     ( ( ( ( u_int32_t ) ( a ) ) & 0xf0000000 ) == 0xf0000000 )
+
+#define IN_LOOPBACKNET    127
+
+#if defined( __MINGW32__ ) && defined( DEFINE_ADDITIONAL_IPV6_STUFF )
+/* IPv6 address */
+    struct in6_addr
+    {
+        union
+        {
+            u_int8_t u6_addr8[ 16 ];
+            u_int16_t u6_addr16[ 8 ];
+            u_int32_t u6_addr32[ 4 ];
+        }
+        in6_u;
+    #define s6_addr                  in6_u.u6_addr8
+    #define s6_addr16                in6_u.u6_addr16
+    #define s6_addr32                in6_u.u6_addr32
+    #define s6_addr64                in6_u.u6_addr64
+    };
+
+    #define IN6ADDR_ANY_INIT         { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+    #define IN6ADDR_LOOPBACK_INIT    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }
+#endif /* __MINGW32__ */
+
+
+#if ( defined _MSC_VER ) || ( defined( __MINGW32__ ) && defined( DEFINE_ADDITIONAL_IPV6_STUFF ) )
+    typedef unsigned short sa_family_t;
+#endif
+
+
+#if defined( __MINGW32__ ) && defined( DEFINE_ADDITIONAL_IPV6_STUFF )
+
+    #define __SOCKADDR_COMMON( sa_prefix ) \
+    sa_family_t sa_prefix ## family
+
+/* Ditto, for IPv6.  */
+    struct sockaddr_in6
+    {
+        __SOCKADDR_COMMON( sin6_ );
+        u_int16_t sin6_port;       /* Transport layer port # */
+        u_int32_t sin6_flowinfo;   /* IPv6 flow information */
+        struct in6_addr sin6_addr; /* IPv6 address */
+    };
+
+    #define IN6_IS_ADDR_V4MAPPED( a )                                                       \
+    ( ( ( ( u_int32_t * ) ( a ) )[ 0 ] == 0 ) && ( ( ( u_int32_t * ) ( a ) )[ 1 ] == 0 ) && \
+      ( ( ( u_int32_t * ) ( a ) )[ 2 ] == htonl( 0xffff ) ) )
+
+    #define IN6_IS_ADDR_MULTICAST( a )    ( ( ( u_int8_t * ) ( a ) )[ 0 ] == 0xff )
+
+    #define IN6_IS_ADDR_LINKLOCAL( a ) \
+    ( ( ( ( u_int32_t * ) ( a ) )[ 0 ] & htonl( 0xffc00000 ) ) == htonl( 0xfe800000 ) )
+
+    #define IN6_IS_ADDR_LOOPBACK( a )                                               \
+    ( ( ( u_int32_t * ) ( a ) )[ 0 ] == 0 && ( ( u_int32_t * ) ( a ) )[ 1 ] == 0 && \
+      ( ( u_int32_t * ) ( a ) )[ 2 ] == 0 && ( ( u_int32_t * ) ( a ) )[ 3 ] == htonl( 1 ) )
+#endif /* __MINGW32__ */
+
+#define ip6_vfc                  ip6_ctlun.ip6_un2_vfc
+#define ip6_flow                 ip6_ctlun.ip6_un1.ip6_un1_flow
+#define ip6_plen                 ip6_ctlun.ip6_un1.ip6_un1_plen
+#define ip6_nxt                  ip6_ctlun.ip6_un1.ip6_un1_nxt
+#define ip6_hlim                 ip6_ctlun.ip6_un1.ip6_un1_hlim
+#define ip6_hops                 ip6_ctlun.ip6_un1.ip6_un1_hlim
+
+#define nd_rd_type               nd_rd_hdr.icmp6_type
+#define nd_rd_code               nd_rd_hdr.icmp6_code
+#define nd_rd_cksum              nd_rd_hdr.icmp6_cksum
+#define nd_rd_reserved           nd_rd_hdr.icmp6_data32[ 0 ]
+
+/*
+ *	IPV6 extension headers
+ */
+#define IPPROTO_HOPOPTS          0   /* IPv6 hop-by-hop options	*/
+#define IPPROTO_IPV6             41  /* IPv6 header.  */
+#define IPPROTO_ROUTING          43  /* IPv6 routing header		*/
+#define IPPROTO_FRAGMENT         44  /* IPv6 fragmentation header	*/
+#define IPPROTO_ESP              50  /* encapsulating security payload */
+#define IPPROTO_AH               51  /* authentication header	*/
+#define IPPROTO_ICMPV6           58  /* ICMPv6			*/
+#define IPPROTO_NONE             59  /* IPv6 no next header		*/
+#define IPPROTO_DSTOPTS          60  /* IPv6 destination options	*/
+#define IPPROTO_PIM              103 /* Protocol Independent Multicast.  */
+
+#define  IPV6_RTHDR_TYPE_0       0
+
+/* Option types and related macros */
+#define IP6OPT_PAD1              0x00 /* 00 0 00000 */
+#define IP6OPT_PADN              0x01 /* 00 0 00001 */
+#define IP6OPT_JUMBO             0xC2 /* 11 0 00010 = 194 */
+#define IP6OPT_JUMBO_LEN         6
+#define IP6OPT_ROUTER_ALERT      0x05 /* 00 0 00101 */
+
+#define IP6OPT_RTALERT_LEN       4
+#define IP6OPT_RTALERT_MLD       0 /* Datagram contains an MLD message */
+#define IP6OPT_RTALERT_RSVP      1 /* Datagram contains an RSVP message */
+#define IP6OPT_RTALERT_ACTNET    2 /* contains an Active Networks msg */
+#define IP6OPT_MINLEN            2
+
+#define IP6OPT_BINDING_UPDATE    0xc6 /* 11 0 00110 */
+#define IP6OPT_BINDING_ACK       0x07 /* 00 0 00111 */
+#define IP6OPT_BINDING_REQ       0x08 /* 00 0 01000 */
+#define IP6OPT_HOME_ADDRESS      0xc9 /* 11 0 01001 */
+#define IP6OPT_EID               0x8a /* 10 0 01010 */
+
+#define IP6OPT_TYPE( o )    ( ( o ) & 0xC0 )
+#define IP6OPT_TYPE_SKIP         0x00
+#define IP6OPT_TYPE_DISCARD      0x40
+#define IP6OPT_TYPE_FORCEICMP    0x80
+#define IP6OPT_TYPE_ICMP         0xC0
+
+#define IP6OPT_MUTABLE           0x20
+
+
+#if defined( __MINGW32__ ) && defined( DEFINE_ADDITIONAL_IPV6_STUFF )
+    #ifndef EAI_ADDRFAMILY
+        struct addrinfo
+        {
+            int ai_flags;              /* AI_PASSIVE, AI_CANONNAME */
+            int ai_family;             /* PF_xxx */
+            int ai_socktype;           /* SOCK_xxx */
+            int ai_protocol;           /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
+            size_t ai_addrlen;         /* length of ai_addr */
+            char * ai_canonname;       /* canonical name for hostname */
+            struct sockaddr * ai_addr; /* binary address */
+            struct addrinfo * ai_next; /* next structure in linked list */
+        };
+    #endif /* ifndef EAI_ADDRFAMILY */
+#endif /* __MINGW32__ */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/netif.h

@@ -0,0 +1,51 @@
+/*
+ * FreeRTOS V202212.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef NET_IF_H
+#define NET_IF_H
+
+/*
+ * Send uip_len bytes from uip_buf to the network interface selected by the
+ * configNETWORK_INTERFACE_TO_USE constant (defined in FreeRTOSConfig.h).
+ */
+void vNetifTx( void );
+
+/*
+ * Receive bytes from the network interface selected by the
+ * configNETWORK_INTERFACE_TO_USE constant (defined in FreeRTOSConfig.h).  The
+ * bytes are placed in uip_buf.  The number of bytes copied into uip_buf is
+ * returned.
+ */
+UBaseType_t uxNetifRx( void );
+
+/*
+ * Prepare a packet capture session.  This will print out all the network
+ * interfaces available, and the one actually used is set by the
+ * configNETWORK_INTERFACE_TO_USE constant that is defined in
+ * FreeRTOSConfig.h. */
+BaseType_t xNetifInit( void );
+
+#endif /* NET_IF_H */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap-bpf.h

@@ -0,0 +1,47 @@
+/*-
+ * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from the Stanford/CMU enet packet filter,
+ * (net/enet.c) distributed as part of 4.3BSD, and code contributed
+ * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
+ * Berkeley Laboratory.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap-bpf.h,v 1.50 2007/04/01 21:43:55 guy Exp $ (LBL)
+ */
+
+/*
+ * For backwards compatibility.
+ *
+ * Note to OS vendors: do NOT get rid of this file!  Some applications
+ * might expect to be able to include <pcap-bpf.h>.
+ */
+#include <pcap/bpf.h>

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap-namedb.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 1994, 1996
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the Computer Systems
+ *	Engineering Group at Lawrence Berkeley Laboratory.
+ * 4. Neither the name of the University nor of the Laboratory may be used
+ *    to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap-namedb.h,v 1.13 2006/10/04 18:13:32 guy Exp $ (LBL)
+ */
+
+/*
+ * For backwards compatibility.
+ *
+ * Note to OS vendors: do NOT get rid of this file!  Some applications
+ * might expect to be able to include <pcap-namedb.h>.
+ */
+#include <pcap/namedb.h>

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap-stdinc.h

@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2002 - 2005 NetGroup, Politecnico di Torino (Italy)
+ * Copyright (c) 2005 - 2009 CACE Technologies, Inc. Davis (California)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Politecnico di Torino nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap-stdinc.h,v 1.10.2.1 2008-10-06 15:38:39 gianluca Exp $ (LBL)
+ */
+
+#define SIZEOF_CHAR             1
+#define SIZEOF_SHORT            2
+#define SIZEOF_INT              4
+#ifndef _MSC_EXTENSIONS
+    #define SIZEOF_LONG_LONG    8
+#endif
+
+/*
+ * Avoids a compiler warning in case this was already defined
+ * (someone defined _WINSOCKAPI_ when including 'windows.h', in order
+ * to prevent it from including 'winsock.h')
+ */
+#ifdef _WINSOCKAPI_
+    #undef _WINSOCKAPI_
+#endif
+#include <winsock2.h>
+
+#include <fcntl.h>
+
+#include "bittypes.h"
+#include <time.h>
+#include <io.h>
+
+#ifndef __MINGW32__
+    #include "IP6_misc.h"
+#endif
+
+#define caddr_t          char *
+
+#if _MSC_VER < 1500
+    #define snprintf     _snprintf
+    #define vsnprintf    _vsnprintf
+    #define strdup       _strdup
+#endif
+
+#define inline           __inline
+
+#ifdef __MINGW32__
+    #include <stdint.h>
+#else /*__MINGW32__*/
+/* MSVC compiler */
+    #ifndef _UINTPTR_T_DEFINED
+        #ifdef  _WIN64
+            typedef unsigned __int64    uintptr_t;
+        #else
+            typedef _W64 unsigned int   uintptr_t;
+        #endif
+        #define _UINTPTR_T_DEFINED
+    #endif
+
+    #ifndef _INTPTR_T_DEFINED
+        #ifdef  _WIN64
+            typedef __int64    intptr_t;
+        #else
+            typedef _W64 int   intptr_t;
+        #endif
+        #define _INTPTR_T_DEFINED
+    #endif
+
+#endif /*__MINGW32__*/

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap.h

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 1993, 1994, 1995, 1996, 1997
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the Computer Systems
+ *	Engineering Group at Lawrence Berkeley Laboratory.
+ * 4. Neither the name of the University nor of the Laboratory may be used
+ *    to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap.h,v 1.59 2006/10/04 18:09:22 guy Exp $ (LBL)
+ */
+
+/*
+ * For backwards compatibility.
+ *
+ * Note to OS vendors: do NOT get rid of this file!  Many applications
+ * expect to be able to include <pcap.h>, and at least some of them
+ * go through contortions in their configure scripts to try to detect
+ * OSes that have "helpfully" moved pcap.h to <pcap/pcap.h> without
+ * leaving behind a <pcap.h> file.
+ */
+#include <pcap/pcap.h>

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap/bluetooth.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2006 Paolo Abeni (Italy)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * bluetooth data struct
+ * By Paolo Abeni <paolo.abeni@email.it>
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap/bluetooth.h,v 1.1 2007/09/22 02:10:17 guy Exp $
+ */
+ 
+#ifndef _PCAP_BLUETOOTH_STRUCTS_H__
+#define _PCAP_BLUETOOTH_STRUCTS_H__
+
+/*
+ * Header prepended libpcap to each bluetooth h:4 frame.
+ * fields are in network byte order
+ */
+typedef struct _pcap_bluetooth_h4_header {
+	u_int32_t direction; /* if first bit is set direction is incoming */
+} pcap_bluetooth_h4_header;
+
+
+#endif

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap/bpf.h

@@ -0,0 +1,934 @@
+/*-
+ * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from the Stanford/CMU enet packet filter,
+ * (net/enet.c) distributed as part of 4.3BSD, and code contributed
+ * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
+ * Berkeley Laboratory.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *      @(#)bpf.h       7.1 (Berkeley) 5/7/91
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap/bpf.h,v 1.19.2.8 2008-09-22 20:16:01 guy Exp $ (LBL)
+ */
+
+/*
+ * This is libpcap's cut-down version of bpf.h; it includes only
+ * the stuff needed for the code generator and the userland BPF
+ * interpreter, and the libpcap APIs for setting filters, etc..
+ *
+ * "pcap-bpf.c" will include the native OS version, as it deals with
+ * the OS's BPF implementation.
+ *
+ * XXX - should this all just be moved to "pcap.h"?
+ */
+
+#ifndef BPF_MAJOR_VERSION
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* BSD style release date */
+#define BPF_RELEASE 199606
+
+#ifdef MSDOS /* must be 32-bit */
+typedef long          bpf_int32;
+typedef unsigned long bpf_u_int32;
+#else
+typedef	int bpf_int32;
+typedef	u_int bpf_u_int32;
+#endif
+
+/*
+ * Alignment macros.  BPF_WORDALIGN rounds up to the next 
+ * even multiple of BPF_ALIGNMENT. 
+ */
+#ifndef __NetBSD__
+#define BPF_ALIGNMENT sizeof(bpf_int32)
+#else
+#define BPF_ALIGNMENT sizeof(long)
+#endif
+#define BPF_WORDALIGN(x) (((x)+(BPF_ALIGNMENT-1))&~(BPF_ALIGNMENT-1))
+
+#define BPF_MAXBUFSIZE 0x8000
+#define BPF_MINBUFSIZE 32
+
+/*
+ * Structure for "pcap_compile()", "pcap_setfilter()", etc..
+ */
+struct bpf_program {
+	u_int bf_len;
+	struct bpf_insn *bf_insns;
+};
+ 
+/*
+ * Struct return by BIOCVERSION.  This represents the version number of 
+ * the filter language described by the instruction encodings below.
+ * bpf understands a program iff kernel_major == filter_major &&
+ * kernel_minor >= filter_minor, that is, if the value returned by the
+ * running kernel has the same major number and a minor number equal
+ * equal to or less than the filter being downloaded.  Otherwise, the
+ * results are undefined, meaning an error may be returned or packets
+ * may be accepted haphazardly.
+ * It has nothing to do with the source code version.
+ */
+struct bpf_version {
+	u_short bv_major;
+	u_short bv_minor;
+};
+/* Current version number of filter architecture. */
+#define BPF_MAJOR_VERSION 1
+#define BPF_MINOR_VERSION 1
+
+/*
+ * Data-link level type codes.
+ *
+ * Do *NOT* add new values to this list without asking
+ * "tcpdump-workers@lists.tcpdump.org" for a value.  Otherwise, you run
+ * the risk of using a value that's already being used for some other
+ * purpose, and of having tools that read libpcap-format captures not
+ * being able to handle captures with your new DLT_ value, with no hope
+ * that they will ever be changed to do so (as that would destroy their
+ * ability to read captures using that value for that other purpose).
+ */
+
+/*
+ * These are the types that are the same on all platforms, and that
+ * have been defined by <net/bpf.h> for ages.
+ */
+#define DLT_NULL	0	/* BSD loopback encapsulation */
+#define DLT_EN10MB	1	/* Ethernet (10Mb) */
+#define DLT_EN3MB	2	/* Experimental Ethernet (3Mb) */
+#define DLT_AX25	3	/* Amateur Radio AX.25 */
+#define DLT_PRONET	4	/* Proteon ProNET Token Ring */
+#define DLT_CHAOS	5	/* Chaos */
+#define DLT_IEEE802	6	/* 802.5 Token Ring */
+#define DLT_ARCNET	7	/* ARCNET, with BSD-style header */
+#define DLT_SLIP	8	/* Serial Line IP */
+#define DLT_PPP		9	/* Point-to-point Protocol */
+#define DLT_FDDI	10	/* FDDI */
+
+/*
+ * These are types that are different on some platforms, and that
+ * have been defined by <net/bpf.h> for ages.  We use #ifdefs to
+ * detect the BSDs that define them differently from the traditional
+ * libpcap <net/bpf.h>
+ *
+ * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS,
+ * but I don't know what the right #define is for BSD/OS.
+ */
+#define DLT_ATM_RFC1483	11	/* LLC-encapsulated ATM */
+
+#ifdef __OpenBSD__
+#define DLT_RAW		14	/* raw IP */
+#else
+#define DLT_RAW		12	/* raw IP */
+#endif
+
+/*
+ * Given that the only OS that currently generates BSD/OS SLIP or PPP
+ * is, well, BSD/OS, arguably everybody should have chosen its values
+ * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they
+ * didn't.  So it goes.
+ */
+#if defined(__NetBSD__) || defined(__FreeBSD__)
+#ifndef DLT_SLIP_BSDOS
+#define DLT_SLIP_BSDOS	13	/* BSD/OS Serial Line IP */
+#define DLT_PPP_BSDOS	14	/* BSD/OS Point-to-point Protocol */
+#endif
+#else
+#define DLT_SLIP_BSDOS	15	/* BSD/OS Serial Line IP */
+#define DLT_PPP_BSDOS	16	/* BSD/OS Point-to-point Protocol */
+#endif
+
+/*
+ * 17 is used for DLT_OLD_PFLOG in OpenBSD;
+ *     OBSOLETE: DLT_PFLOG is 117 in OpenBSD now as well. See below.
+ * 18 is used for DLT_PFSYNC in OpenBSD; don't use it for anything else.
+ */
+
+#define DLT_ATM_CLIP	19	/* Linux Classical-IP over ATM */
+
+/*
+ * Apparently Redback uses this for its SmartEdge 400/800.  I hope
+ * nobody else decided to use it, too.
+ */
+#define DLT_REDBACK_SMARTEDGE	32
+
+/*
+ * These values are defined by NetBSD; other platforms should refrain from
+ * using them for other purposes, so that NetBSD savefiles with link
+ * types of 50 or 51 can be read as this type on all platforms.
+ */
+#define DLT_PPP_SERIAL	50	/* PPP over serial with HDLC encapsulation */
+#define DLT_PPP_ETHER	51	/* PPP over Ethernet */
+
+/*
+ * The Axent Raptor firewall - now the Symantec Enterprise Firewall - uses
+ * a link-layer type of 99 for the tcpdump it supplies.  The link-layer
+ * header has 6 bytes of unknown data, something that appears to be an
+ * Ethernet type, and 36 bytes that appear to be 0 in at least one capture
+ * I've seen.
+ */
+#define DLT_SYMANTEC_FIREWALL	99
+
+/*
+ * Values between 100 and 103 are used in capture file headers as
+ * link-layer types corresponding to DLT_ types that differ
+ * between platforms; don't use those values for new DLT_ new types.
+ */
+
+/*
+ * This value was defined by libpcap 0.5; platforms that have defined
+ * it with a different value should define it here with that value -
+ * a link type of 104 in a save file will be mapped to DLT_C_HDLC,
+ * whatever value that happens to be, so programs will correctly
+ * handle files with that link type regardless of the value of
+ * DLT_C_HDLC.
+ *
+ * The name DLT_C_HDLC was used by BSD/OS; we use that name for source
+ * compatibility with programs written for BSD/OS.
+ *
+ * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well,
+ * for source compatibility with programs written for libpcap 0.5.
+ */
+#define DLT_C_HDLC	104	/* Cisco HDLC */
+#define DLT_CHDLC	DLT_C_HDLC
+
+#define DLT_IEEE802_11	105	/* IEEE 802.11 wireless */
+
+/*
+ * 106 is reserved for Linux Classical IP over ATM; it's like DLT_RAW,
+ * except when it isn't.  (I.e., sometimes it's just raw IP, and
+ * sometimes it isn't.)  We currently handle it as DLT_LINUX_SLL,
+ * so that we don't have to worry about the link-layer header.)
+ */
+
+/*
+ * Frame Relay; BSD/OS has a DLT_FR with a value of 11, but that collides
+ * with other values.
+ * DLT_FR and DLT_FRELAY packets start with the Q.922 Frame Relay header
+ * (DLCI, etc.).
+ */
+#define DLT_FRELAY	107
+
+/*
+ * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except
+ * that the AF_ type in the link-layer header is in network byte order.
+ *
+ * DLT_LOOP is 12 in OpenBSD, but that's DLT_RAW in other OSes, so
+ * we don't use 12 for it in OSes other than OpenBSD.
+ */
+#ifdef __OpenBSD__
+#define DLT_LOOP	12
+#else
+#define DLT_LOOP	108
+#endif
+
+/*
+ * Encapsulated packets for IPsec; DLT_ENC is 13 in OpenBSD, but that's
+ * DLT_SLIP_BSDOS in NetBSD, so we don't use 13 for it in OSes other
+ * than OpenBSD.
+ */
+#ifdef __OpenBSD__
+#define DLT_ENC		13
+#else
+#define DLT_ENC		109
+#endif
+
+/*
+ * Values between 110 and 112 are reserved for use in capture file headers
+ * as link-layer types corresponding to DLT_ types that might differ
+ * between platforms; don't use those values for new DLT_ types
+ * other than the corresponding DLT_ types.
+ */
+
+/*
+ * This is for Linux cooked sockets.
+ */
+#define DLT_LINUX_SLL	113
+
+/*
+ * Apple LocalTalk hardware.
+ */
+#define DLT_LTALK	114
+
+/*
+ * Acorn Econet.
+ */
+#define DLT_ECONET	115
+
+/*
+ * Reserved for use with OpenBSD ipfilter.
+ */
+#define DLT_IPFILTER	116
+
+/*
+ * OpenBSD DLT_PFLOG; DLT_PFLOG is 17 in OpenBSD, but that's DLT_LANE8023
+ * in SuSE 6.3, so we can't use 17 for it in capture-file headers.
+ *
+ * XXX: is there a conflict with DLT_PFSYNC 18 as well?
+ */
+#ifdef __OpenBSD__
+#define DLT_OLD_PFLOG	17
+#define DLT_PFSYNC	18
+#endif
+#define DLT_PFLOG	117
+
+/*
+ * Registered for Cisco-internal use.
+ */
+#define DLT_CISCO_IOS	118
+
+/*
+ * For 802.11 cards using the Prism II chips, with a link-layer
+ * header including Prism monitor mode information plus an 802.11
+ * header.
+ */
+#define DLT_PRISM_HEADER	119
+
+/*
+ * Reserved for Aironet 802.11 cards, with an Aironet link-layer header
+ * (see Doug Ambrisko's FreeBSD patches).
+ */
+#define DLT_AIRONET_HEADER	120
+
+/*
+ * Reserved for Siemens HiPath HDLC.
+ */
+#define DLT_HHDLC		121
+
+/*
+ * This is for RFC 2625 IP-over-Fibre Channel.
+ *
+ * This is not for use with raw Fibre Channel, where the link-layer
+ * header starts with a Fibre Channel frame header; it's for IP-over-FC,
+ * where the link-layer header starts with an RFC 2625 Network_Header
+ * field.
+ */
+#define DLT_IP_OVER_FC		122
+
+/*
+ * This is for Full Frontal ATM on Solaris with SunATM, with a
+ * pseudo-header followed by an AALn PDU.
+ *
+ * There may be other forms of Full Frontal ATM on other OSes,
+ * with different pseudo-headers.
+ *
+ * If ATM software returns a pseudo-header with VPI/VCI information
+ * (and, ideally, packet type information, e.g. signalling, ILMI,
+ * LANE, LLC-multiplexed traffic, etc.), it should not use
+ * DLT_ATM_RFC1483, but should get a new DLT_ value, so tcpdump
+ * and the like don't have to infer the presence or absence of a
+ * pseudo-header and the form of the pseudo-header.
+ */
+#define DLT_SUNATM		123	/* Solaris+SunATM */
+
+/* 
+ * Reserved as per request from Kent Dahlgren <kent@praesum.com>
+ * for private use.
+ */
+#define DLT_RIO                 124     /* RapidIO */
+#define DLT_PCI_EXP             125     /* PCI Express */
+#define DLT_AURORA              126     /* Xilinx Aurora link layer */
+
+/*
+ * Header for 802.11 plus a number of bits of link-layer information
+ * including radio information, used by some recent BSD drivers as
+ * well as the madwifi Atheros driver for Linux.
+ */
+#define DLT_IEEE802_11_RADIO	127	/* 802.11 plus radiotap radio header */
+
+/*
+ * Reserved for the TZSP encapsulation, as per request from
+ * Chris Waters <chris.waters@networkchemistry.com>
+ * TZSP is a generic encapsulation for any other link type,
+ * which includes a means to include meta-information
+ * with the packet, e.g. signal strength and channel
+ * for 802.11 packets.
+ */
+#define DLT_TZSP                128     /* Tazmen Sniffer Protocol */
+
+/*
+ * BSD's ARCNET headers have the source host, destination host,
+ * and type at the beginning of the packet; that's what's handed
+ * up to userland via BPF.
+ *
+ * Linux's ARCNET headers, however, have a 2-byte offset field
+ * between the host IDs and the type; that's what's handed up
+ * to userland via PF_PACKET sockets.
+ *
+ * We therefore have to have separate DLT_ values for them.
+ */
+#define DLT_ARCNET_LINUX	129	/* ARCNET */
+
+/*
+ * Juniper-private data link types, as per request from
+ * Hannes Gredler <hannes@juniper.net>.  The DLT_s are used
+ * for passing on chassis-internal metainformation such as
+ * QOS profiles, etc..
+ */
+#define DLT_JUNIPER_MLPPP       130
+#define DLT_JUNIPER_MLFR        131
+#define DLT_JUNIPER_ES          132
+#define DLT_JUNIPER_GGSN        133
+#define DLT_JUNIPER_MFR         134
+#define DLT_JUNIPER_ATM2        135
+#define DLT_JUNIPER_SERVICES    136
+#define DLT_JUNIPER_ATM1        137
+
+/*
+ * Apple IP-over-IEEE 1394, as per a request from Dieter Siegmund
+ * <dieter@apple.com>.  The header that's presented is an Ethernet-like
+ * header:
+ *
+ *	#define FIREWIRE_EUI64_LEN	8
+ *	struct firewire_header {
+ *		u_char  firewire_dhost[FIREWIRE_EUI64_LEN];
+ *		u_char  firewire_shost[FIREWIRE_EUI64_LEN];
+ *		u_short firewire_type;
+ *	};
+ *
+ * with "firewire_type" being an Ethernet type value, rather than,
+ * for example, raw GASP frames being handed up.
+ */
+#define DLT_APPLE_IP_OVER_IEEE1394	138
+
+/*
+ * Various SS7 encapsulations, as per a request from Jeff Morriss
+ * <jeff.morriss[AT]ulticom.com> and subsequent discussions.
+ */
+#define DLT_MTP2_WITH_PHDR	139	/* pseudo-header with various info, followed by MTP2 */
+#define DLT_MTP2		140	/* MTP2, without pseudo-header */
+#define DLT_MTP3		141	/* MTP3, without pseudo-header or MTP2 */
+#define DLT_SCCP		142	/* SCCP, without pseudo-header or MTP2 or MTP3 */
+
+/*
+ * DOCSIS MAC frames.
+ */
+#define DLT_DOCSIS		143
+
+/*
+ * Linux-IrDA packets. Protocol defined at http://www.irda.org.
+ * Those packets include IrLAP headers and above (IrLMP...), but
+ * don't include Phy framing (SOF/EOF/CRC & byte stuffing), because Phy
+ * framing can be handled by the hardware and depend on the bitrate.
+ * This is exactly the format you would get capturing on a Linux-IrDA
+ * interface (irdaX), but not on a raw serial port.
+ * Note the capture is done in "Linux-cooked" mode, so each packet include
+ * a fake packet header (struct sll_header). This is because IrDA packet
+ * decoding is dependant on the direction of the packet (incomming or
+ * outgoing).
+ * When/if other platform implement IrDA capture, we may revisit the
+ * issue and define a real DLT_IRDA...
+ * Jean II
+ */
+#define DLT_LINUX_IRDA		144
+
+/*
+ * Reserved for IBM SP switch and IBM Next Federation switch.
+ */
+#define DLT_IBM_SP		145
+#define DLT_IBM_SN		146
+
+/*
+ * Reserved for private use.  If you have some link-layer header type
+ * that you want to use within your organization, with the capture files
+ * using that link-layer header type not ever be sent outside your
+ * organization, you can use these values.
+ *
+ * No libpcap release will use these for any purpose, nor will any
+ * tcpdump release use them, either.
+ *
+ * Do *NOT* use these in capture files that you expect anybody not using
+ * your private versions of capture-file-reading tools to read; in
+ * particular, do *NOT* use them in products, otherwise you may find that
+ * people won't be able to use tcpdump, or snort, or Ethereal, or... to
+ * read capture files from your firewall/intrusion detection/traffic
+ * monitoring/etc. appliance, or whatever product uses that DLT_ value,
+ * and you may also find that the developers of those applications will
+ * not accept patches to let them read those files.
+ *
+ * Also, do not use them if somebody might send you a capture using them
+ * for *their* private type and tools using them for *your* private type
+ * would have to read them.
+ *
+ * Instead, ask "tcpdump-workers@lists.tcpdump.org" for a new DLT_ value,
+ * as per the comment above, and use the type you're given.
+ */
+#define DLT_USER0		147
+#define DLT_USER1		148
+#define DLT_USER2		149
+#define DLT_USER3		150
+#define DLT_USER4		151
+#define DLT_USER5		152
+#define DLT_USER6		153
+#define DLT_USER7		154
+#define DLT_USER8		155
+#define DLT_USER9		156
+#define DLT_USER10		157
+#define DLT_USER11		158
+#define DLT_USER12		159
+#define DLT_USER13		160
+#define DLT_USER14		161
+#define DLT_USER15		162
+
+/*
+ * For future use with 802.11 captures - defined by AbsoluteValue
+ * Systems to store a number of bits of link-layer information
+ * including radio information:
+ *
+ *	http://www.shaftnet.org/~pizza/software/capturefrm.txt
+ *
+ * but it might be used by some non-AVS drivers now or in the
+ * future.
+ */
+#define DLT_IEEE802_11_RADIO_AVS 163	/* 802.11 plus AVS radio header */
+
+/*
+ * Juniper-private data link type, as per request from
+ * Hannes Gredler <hannes@juniper.net>.  The DLT_s are used
+ * for passing on chassis-internal metainformation such as
+ * QOS profiles, etc..
+ */
+#define DLT_JUNIPER_MONITOR     164
+
+/*
+ * Reserved for BACnet MS/TP.
+ */
+#define DLT_BACNET_MS_TP	165
+
+/*
+ * Another PPP variant as per request from Karsten Keil <kkeil@suse.de>.
+ *
+ * This is used in some OSes to allow a kernel socket filter to distinguish
+ * between incoming and outgoing packets, on a socket intended to
+ * supply pppd with outgoing packets so it can do dial-on-demand and
+ * hangup-on-lack-of-demand; incoming packets are filtered out so they
+ * don't cause pppd to hold the connection up (you don't want random
+ * input packets such as port scans, packets from old lost connections,
+ * etc. to force the connection to stay up).
+ *
+ * The first byte of the PPP header (0xff03) is modified to accomodate
+ * the direction - 0x00 = IN, 0x01 = OUT.
+ */
+#define DLT_PPP_PPPD		166
+
+/*
+ * Names for backwards compatibility with older versions of some PPP
+ * software; new software should use DLT_PPP_PPPD.
+ */
+#define DLT_PPP_WITH_DIRECTION	DLT_PPP_PPPD
+#define DLT_LINUX_PPP_WITHDIRECTION	DLT_PPP_PPPD
+
+/*
+ * Juniper-private data link type, as per request from
+ * Hannes Gredler <hannes@juniper.net>.  The DLT_s are used
+ * for passing on chassis-internal metainformation such as
+ * QOS profiles, cookies, etc..
+ */
+#define DLT_JUNIPER_PPPOE       167
+#define DLT_JUNIPER_PPPOE_ATM   168
+
+#define DLT_GPRS_LLC		169	/* GPRS LLC */
+#define DLT_GPF_T		170	/* GPF-T (ITU-T G.7041/Y.1303) */
+#define DLT_GPF_F		171	/* GPF-F (ITU-T G.7041/Y.1303) */
+
+/*
+ * Requested by Oolan Zimmer <oz@gcom.com> for use in Gcom's T1/E1 line
+ * monitoring equipment.
+ */
+#define DLT_GCOM_T1E1		172
+#define DLT_GCOM_SERIAL		173
+
+/*
+ * Juniper-private data link type, as per request from
+ * Hannes Gredler <hannes@juniper.net>.  The DLT_ is used
+ * for internal communication to Physical Interface Cards (PIC)
+ */
+#define DLT_JUNIPER_PIC_PEER    174
+
+/*
+ * Link types requested by Gregor Maier <gregor@endace.com> of Endace
+ * Measurement Systems.  They add an ERF header (see
+ * http://www.endace.com/support/EndaceRecordFormat.pdf) in front of
+ * the link-layer header.
+ */
+#define DLT_ERF_ETH		175	/* Ethernet */
+#define DLT_ERF_POS		176	/* Packet-over-SONET */
+
+/*
+ * Requested by Daniele Orlandi <daniele@orlandi.com> for raw LAPD
+ * for vISDN (http://www.orlandi.com/visdn/).  Its link-layer header
+ * includes additional information before the LAPD header, so it's
+ * not necessarily a generic LAPD header.
+ */
+#define DLT_LINUX_LAPD		177
+
+/*
+ * Juniper-private data link type, as per request from
+ * Hannes Gredler <hannes@juniper.net>. 
+ * The DLT_ are used for prepending meta-information
+ * like interface index, interface name
+ * before standard Ethernet, PPP, Frelay & C-HDLC Frames
+ */
+#define DLT_JUNIPER_ETHER       178
+#define DLT_JUNIPER_PPP         179
+#define DLT_JUNIPER_FRELAY      180
+#define DLT_JUNIPER_CHDLC       181
+
+/*
+ * Multi Link Frame Relay (FRF.16)
+ */
+#define DLT_MFR                 182
+
+/*
+ * Juniper-private data link type, as per request from
+ * Hannes Gredler <hannes@juniper.net>. 
+ * The DLT_ is used for internal communication with a
+ * voice Adapter Card (PIC)
+ */
+#define DLT_JUNIPER_VP          183
+
+/*
+ * Arinc 429 frames.
+ * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>.
+ * Every frame contains a 32bit A429 label.
+ * More documentation on Arinc 429 can be found at
+ * http://www.condoreng.com/support/downloads/tutorials/ARINCTutorial.pdf
+ */
+#define DLT_A429                184
+
+/*
+ * Arinc 653 Interpartition Communication messages.
+ * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>.
+ * Please refer to the A653-1 standard for more information.
+ */
+#define DLT_A653_ICM            185
+
+/*
+ * USB packets, beginning with a USB setup header; requested by
+ * Paolo Abeni <paolo.abeni@email.it>.
+ */
+#define DLT_USB			186
+
+/*
+ * Bluetooth HCI UART transport layer (part H:4); requested by
+ * Paolo Abeni.
+ */
+#define DLT_BLUETOOTH_HCI_H4	187
+
+/*
+ * IEEE 802.16 MAC Common Part Sublayer; requested by Maria Cruz
+ * <cruz_petagay@bah.com>.
+ */
+#define DLT_IEEE802_16_MAC_CPS	188
+
+/*
+ * USB packets, beginning with a Linux USB header; requested by
+ * Paolo Abeni <paolo.abeni@email.it>.
+ */
+#define DLT_USB_LINUX		189
+
+/*
+ * Controller Area Network (CAN) v. 2.0B packets.
+ * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>.
+ * Used to dump CAN packets coming from a CAN Vector board.
+ * More documentation on the CAN v2.0B frames can be found at
+ * http://www.can-cia.org/downloads/?269
+ */
+#define DLT_CAN20B              190
+
+/*
+ * IEEE 802.15.4, with address fields padded, as is done by Linux
+ * drivers; requested by Juergen Schimmer.
+ */
+#define DLT_IEEE802_15_4_LINUX	191
+
+/*
+ * Per Packet Information encapsulated packets.
+ * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>.
+ */
+#define DLT_PPI			192
+
+/*
+ * Header for 802.16 MAC Common Part Sublayer plus a radiotap radio header;
+ * requested by Charles Clancy.
+ */
+#define DLT_IEEE802_16_MAC_CPS_RADIO	193
+
+/*
+ * Juniper-private data link type, as per request from
+ * Hannes Gredler <hannes@juniper.net>. 
+ * The DLT_ is used for internal communication with a
+ * integrated service module (ISM).
+ */
+#define DLT_JUNIPER_ISM         194
+
+/*
+ * IEEE 802.15.4, exactly as it appears in the spec (no padding, no
+ * nothing); requested by Mikko Saarnivala <mikko.saarnivala@sensinode.com>.
+ */
+#define DLT_IEEE802_15_4	195
+
+/*
+ * Various link-layer types, with a pseudo-header, for SITA
+ * (http://www.sita.aero/); requested by Fulko Hew (fulko.hew@gmail.com).
+ */
+#define DLT_SITA		196
+
+/*
+ * Various link-layer types, with a pseudo-header, for Endace DAG cards;
+ * encapsulates Endace ERF records.  Requested by Stephen Donnelly
+ * <stephen@endace.com>.
+ */
+#define DLT_ERF			197
+
+/*
+ * Special header prepended to Ethernet packets when capturing from a
+ * u10 Networks board.  Requested by Phil Mulholland
+ * <phil@u10networks.com>.
+ */
+#define DLT_RAIF1		198
+
+/*
+ * IPMB packet for IPMI, beginning with the I2C slave address, followed
+ * by the netFn and LUN, etc..  Requested by Chanthy Toeung
+ * <chanthy.toeung@ca.kontron.com>.
+ */
+#define DLT_IPMB		199
+
+/*
+ * Juniper-private data link type, as per request from
+ * Hannes Gredler <hannes@juniper.net>. 
+ * The DLT_ is used for capturing data on a secure tunnel interface.
+ */
+#define DLT_JUNIPER_ST          200
+
+/*
+ * Bluetooth HCI UART transport layer (part H:4), with pseudo-header
+ * that includes direction information; requested by Paolo Abeni.
+ */
+#define DLT_BLUETOOTH_HCI_H4_WITH_PHDR	201
+
+/*
+ * AX.25 packet with a 1-byte KISS header; see
+ *
+ *	http://www.ax25.net/kiss.htm
+ *
+ * as per Richard Stearn <richard@rns-stearn.demon.co.uk>.
+ */
+#define DLT_AX25_KISS		202
+
+/*
+ * LAPD packets from an ISDN channel, starting with the address field,
+ * with no pseudo-header.
+ * Requested by Varuna De Silva <varunax@gmail.com>.
+ */
+#define DLT_LAPD		203
+
+/*
+ * Variants of various link-layer headers, with a one-byte direction
+ * pseudo-header prepended - zero means "received by this host",
+ * non-zero (any non-zero value) means "sent by this host" - as per
+ * Will Barker <w.barker@zen.co.uk>.
+ */
+#define DLT_PPP_WITH_DIR	204	/* PPP - don't confuse with DLT_PPP_WITH_DIRECTION */
+#define DLT_C_HDLC_WITH_DIR	205	/* Cisco HDLC */
+#define DLT_FRELAY_WITH_DIR	206	/* Frame Relay */
+#define DLT_LAPB_WITH_DIR	207	/* LAPB */
+
+/*
+ * 208 is reserved for an as-yet-unspecified proprietary link-layer
+ * type, as requested by Will Barker.
+ */
+
+/*
+ * IPMB with a Linux-specific pseudo-header; as requested by Alexey Neyman
+ * <avn@pigeonpoint.com>.
+ */
+#define DLT_IPMB_LINUX		209
+
+/*
+ * FlexRay automotive bus - http://www.flexray.com/ - as requested
+ * by Hannes Kaelber <hannes.kaelber@x2e.de>.
+ */
+#define DLT_FLEXRAY		210
+
+/*
+ * Media Oriented Systems Transport (MOST) bus for multimedia
+ * transport - http://www.mostcooperation.com/ - as requested
+ * by Hannes Kaelber <hannes.kaelber@x2e.de>.
+ */
+#define DLT_MOST		211
+
+/*
+ * Local Interconnect Network (LIN) bus for vehicle networks -
+ * http://www.lin-subbus.org/ - as requested by Hannes Kaelber
+ * <hannes.kaelber@x2e.de>.
+ */
+#define DLT_LIN			212
+
+/*
+ * X2E-private data link type used for serial line capture,
+ * as requested by Hannes Kaelber <hannes.kaelber@x2e.de>.
+ */
+#define DLT_X2E_SERIAL		213
+
+/*
+ * X2E-private data link type used for the Xoraya data logger
+ * family, as requested by Hannes Kaelber <hannes.kaelber@x2e.de>.
+ */
+#define DLT_X2E_XORAYA		214
+
+/*
+ * IEEE 802.15.4, exactly as it appears in the spec (no padding, no
+ * nothing), but with the PHY-level data for non-ASK PHYs (4 octets
+ * of 0 as preamble, one octet of SFD, one octet of frame length+
+ * reserved bit, and then the MAC-layer data, starting with the
+ * frame control field).
+ *
+ * Requested by Max Filippov <jcmvbkbc@gmail.com>.
+ */
+#define DLT_IEEE802_15_4_NONASK_PHY	215
+
+
+/*
+ * DLT and savefile link type values are split into a class and
+ * a member of that class.  A class value of 0 indicates a regular
+ * DLT_/LINKTYPE_ value.
+ */
+#define DLT_CLASS(x)		((x) & 0x03ff0000)
+
+/*
+ * NetBSD-specific generic "raw" link type.  The class value indicates
+ * that this is the generic raw type, and the lower 16 bits are the
+ * address family we're dealing with.  Those values are NetBSD-specific;
+ * do not assume that they correspond to AF_ values for your operating
+ * system.
+ */
+#define	DLT_CLASS_NETBSD_RAWAF	0x02240000
+#define	DLT_NETBSD_RAWAF(af)	(DLT_CLASS_NETBSD_RAWAF | (af))
+#define	DLT_NETBSD_RAWAF_AF(x)	((x) & 0x0000ffff)
+#define	DLT_IS_NETBSD_RAWAF(x)	(DLT_CLASS(x) == DLT_CLASS_NETBSD_RAWAF)
+
+
+/*
+ * The instruction encodings.
+ */
+/* instruction classes */
+#define BPF_CLASS(code) ((code) & 0x07)
+#define		BPF_LD		0x00
+#define		BPF_LDX		0x01
+#define		BPF_ST		0x02
+#define		BPF_STX		0x03
+#define		BPF_ALU		0x04
+#define		BPF_JMP		0x05
+#define		BPF_RET		0x06
+#define		BPF_MISC	0x07
+
+/* ld/ldx fields */
+#define BPF_SIZE(code)	((code) & 0x18)
+#define		BPF_W		0x00
+#define		BPF_H		0x08
+#define		BPF_B		0x10
+#define BPF_MODE(code)	((code) & 0xe0)
+#define		BPF_IMM 	0x00
+#define		BPF_ABS		0x20
+#define		BPF_IND		0x40
+#define		BPF_MEM		0x60
+#define		BPF_LEN		0x80
+#define		BPF_MSH		0xa0
+
+/* alu/jmp fields */
+#define BPF_OP(code)	((code) & 0xf0)
+#define		BPF_ADD		0x00
+#define		BPF_SUB		0x10
+#define		BPF_MUL		0x20
+#define		BPF_DIV		0x30
+#define		BPF_OR		0x40
+#define		BPF_AND		0x50
+#define		BPF_LSH		0x60
+#define		BPF_RSH		0x70
+#define		BPF_NEG		0x80
+#define		BPF_JA		0x00
+#define		BPF_JEQ		0x10
+#define		BPF_JGT		0x20
+#define		BPF_JGE		0x30
+#define		BPF_JSET	0x40
+#define BPF_SRC(code)	((code) & 0x08)
+#define		BPF_K		0x00
+#define		BPF_X		0x08
+
+/* ret - BPF_K and BPF_X also apply */
+#define BPF_RVAL(code)	((code) & 0x18)
+#define		BPF_A		0x10
+
+/* misc */
+#define BPF_MISCOP(code) ((code) & 0xf8)
+#define		BPF_TAX		0x00
+#define		BPF_TXA		0x80
+
+/*
+ * The instruction data structure.
+ */
+struct bpf_insn {
+	u_short	code;
+	u_char 	jt;
+	u_char 	jf;
+	bpf_u_int32 k;
+};
+
+/*
+ * Macros for insn array initializers.
+ */
+#define BPF_STMT(code, k) { (u_short)(code), 0, 0, k }
+#define BPF_JUMP(code, k, jt, jf) { (u_short)(code), jt, jf, k }
+
+#if __STDC__ || defined(__cplusplus)
+extern int bpf_validate(const struct bpf_insn *, int);
+extern u_int bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int);
+#else
+extern int bpf_validate();
+extern u_int bpf_filter();
+#endif
+
+/*
+ * Number of scratch memory words (for BPF_LD|BPF_MEM and BPF_ST).
+ */
+#define BPF_MEMWORDS 16
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap/namedb.h

@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 1994, 1996
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the Computer Systems
+ *	Engineering Group at Lawrence Berkeley Laboratory.
+ * 4. Neither the name of the University nor of the Laboratory may be used
+ *    to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS qS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap/namedb.h,v 1.1 2006/10/04 18:09:22 guy Exp $ (LBL)
+ */
+
+#ifndef lib_pcap_namedb_h
+#define lib_pcap_namedb_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * As returned by the pcap_next_etherent()
+ * XXX this stuff doesn't belong in this interface, but this
+ * library already must do name to address translation, so
+ * on systems that don't have support for /etc/ethers, we
+ * export these hooks since they'll
+ */
+struct pcap_etherent {
+	u_char addr[6];
+	char name[122];
+};
+#ifndef PCAP_ETHERS_FILE
+#define PCAP_ETHERS_FILE "/etc/ethers"
+#endif
+struct	pcap_etherent *pcap_next_etherent(FILE *);
+u_char *pcap_ether_hostton(const char*);
+u_char *pcap_ether_aton(const char *);
+
+bpf_u_int32 **pcap_nametoaddr(const char *);
+#ifdef INET6
+struct addrinfo *pcap_nametoaddrinfo(const char *);
+#endif
+bpf_u_int32 pcap_nametonetaddr(const char *);
+
+int	pcap_nametoport(const char *, int *, int *);
+int	pcap_nametoportrange(const char *, int *, int *, int *);
+int	pcap_nametoproto(const char *);
+int	pcap_nametoeproto(const char *);
+int	pcap_nametollc(const char *);
+/*
+ * If a protocol is unknown, PROTO_UNDEF is returned.
+ * Also, pcap_nametoport() returns the protocol along with the port number.
+ * If there are ambiguous entried in /etc/services (i.e. domain
+ * can be either tcp or udp) PROTO_UNDEF is returned.
+ */
+#define PROTO_UNDEF		-1
+
+/* XXX move these to pcap-int.h? */
+int __pcap_atodn(const char *, bpf_u_int32 *);
+int __pcap_atoin(const char *, bpf_u_int32 *);
+u_short	__pcap_nametodnaddr(const char *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap/pcap.h

@@ -0,0 +1,407 @@
+/* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */
+/*
+ * Copyright (c) 1993, 1994, 1995, 1996, 1997
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the Computer Systems
+ *	Engineering Group at Lawrence Berkeley Laboratory.
+ * 4. Neither the name of the University nor of the Laboratory may be used
+ *    to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap/pcap.h,v 1.4.2.11 2008-10-06 15:38:39 gianluca Exp $ (LBL)
+ */
+
+#ifndef lib_pcap_pcap_h
+#define lib_pcap_pcap_h
+
+#if defined(WIN32)
+  #include <pcap-stdinc.h>
+#elif defined(MSDOS)
+  #include <sys/types.h>
+  #include <sys/socket.h>  /* u_int, u_char etc. */
+#else /* UN*X */
+  #include <sys/types.h>
+  #include <sys/time.h>
+#endif /* WIN32/MSDOS/UN*X */
+
+#ifndef PCAP_DONT_INCLUDE_PCAP_BPF_H
+#include <pcap/bpf.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef HAVE_REMOTE
+	// We have to define the SOCKET here, although it has been defined in sockutils.h
+	// This is to avoid the distribution of the 'sockutils.h' file around
+	// (for example in the WinPcap developer's pack)
+	#ifndef SOCKET
+		#ifdef WIN32
+			#define SOCKET unsigned int
+		#else
+			#define SOCKET int
+		#endif
+	#endif
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define PCAP_VERSION_MAJOR 2
+#define PCAP_VERSION_MINOR 4
+
+#define PCAP_ERRBUF_SIZE 256
+
+/*
+ * Compatibility for systems that have a bpf.h that
+ * predates the bpf typedefs for 64-bit support.
+ */
+#if BPF_RELEASE - 0 < 199406
+typedef	int bpf_int32;
+typedef	u_int bpf_u_int32;
+#endif
+
+typedef struct pcap pcap_t;
+typedef struct pcap_dumper pcap_dumper_t;
+typedef struct pcap_if pcap_if_t;
+typedef struct pcap_addr pcap_addr_t;
+
+/*
+ * The first record in the file contains saved values for some
+ * of the flags used in the printout phases of tcpdump.
+ * Many fields here are 32 bit ints so compilers won't insert unwanted
+ * padding; these files need to be interchangeable across architectures.
+ *
+ * Do not change the layout of this structure, in any way (this includes
+ * changes that only affect the length of fields in this structure).
+ *
+ * Also, do not change the interpretation of any of the members of this
+ * structure, in any way (this includes using values other than
+ * LINKTYPE_ values, as defined in "savefile.c", in the "linktype"
+ * field).
+ *
+ * Instead:
+ *
+ *	introduce a new structure for the new format, if the layout
+ *	of the structure changed;
+ *
+ *	send mail to "tcpdump-workers@lists.tcpdump.org", requesting
+ *	a new magic number for your new capture file format, and, when
+ *	you get the new magic number, put it in "savefile.c";
+ *
+ *	use that magic number for save files with the changed file
+ *	header;
+ *
+ *	make the code in "savefile.c" capable of reading files with
+ *	the old file header as well as files with the new file header
+ *	(using the magic number to determine the header format).
+ *
+ * Then supply the changes as a patch at
+ *
+ *	http://sourceforge.net/projects/libpcap/
+ *
+ * so that future versions of libpcap and programs that use it (such as
+ * tcpdump) will be able to read your new capture file format.
+ */
+struct pcap_file_header {
+	bpf_u_int32 magic;
+	u_short version_major;
+	u_short version_minor;
+	bpf_int32 thiszone;	/* gmt to local correction */
+	bpf_u_int32 sigfigs;	/* accuracy of timestamps */
+	bpf_u_int32 snaplen;	/* max length saved portion of each pkt */
+	bpf_u_int32 linktype;	/* data link type (LINKTYPE_*) */
+};
+
+/*
+ * Macros for the value returned by pcap_datalink_ext().
+ * 
+ * If LT_FCS_LENGTH_PRESENT(x) is true, the LT_FCS_LENGTH(x) macro
+ * gives the FCS length of packets in the capture.
+ */
+#define LT_FCS_LENGTH_PRESENT(x)	((x) & 0x04000000)
+#define LT_FCS_LENGTH(x)		(((x) & 0xF0000000) >> 28)
+#define LT_FCS_DATALINK_EXT(x)		((((x) & 0xF) << 28) | 0x04000000)
+
+typedef enum {
+       PCAP_D_INOUT = 0,
+       PCAP_D_IN,
+       PCAP_D_OUT
+} pcap_direction_t;
+
+/*
+ * Generic per-packet information, as supplied by libpcap.
+ *
+ * The time stamp can and should be a "struct timeval", regardless of
+ * whether your system supports 32-bit tv_sec in "struct timeval",
+ * 64-bit tv_sec in "struct timeval", or both if it supports both 32-bit
+ * and 64-bit applications.  The on-disk format of savefiles uses 32-bit
+ * tv_sec (and tv_usec); this structure is irrelevant to that.  32-bit
+ * and 64-bit versions of libpcap, even if they're on the same platform,
+ * should supply the appropriate version of "struct timeval", even if
+ * that's not what the underlying packet capture mechanism supplies.
+ */
+struct pcap_pkthdr {
+	struct timeval ts;	/* time stamp */
+	bpf_u_int32 caplen;	/* length of portion present */
+	bpf_u_int32 len;	/* length this packet (off wire) */
+};
+
+/*
+ * As returned by the pcap_stats()
+ */
+struct pcap_stat {
+	u_int ps_recv;		/* number of packets received */
+	u_int ps_drop;		/* number of packets dropped */
+	u_int ps_ifdrop;	/* drops by interface XXX not yet supported */
+#ifdef HAVE_REMOTE
+	u_int ps_capt;		/* number of packets that are received by the application; please get rid off the Win32 ifdef */
+	u_int ps_sent;		/* number of packets sent by the server on the network */
+	u_int ps_netdrop;	/* number of packets lost on the network */
+#endif /* HAVE_REMOTE */
+};
+
+#ifdef MSDOS
+/*
+ * As returned by the pcap_stats_ex()
+ */
+struct pcap_stat_ex {
+       u_long  rx_packets;        /* total packets received       */
+       u_long  tx_packets;        /* total packets transmitted    */
+       u_long  rx_bytes;          /* total bytes received         */
+       u_long  tx_bytes;          /* total bytes transmitted      */
+       u_long  rx_errors;         /* bad packets received         */
+       u_long  tx_errors;         /* packet transmit problems     */
+       u_long  rx_dropped;        /* no space in Rx buffers       */
+       u_long  tx_dropped;        /* no space available for Tx    */
+       u_long  multicast;         /* multicast packets received   */
+       u_long  collisions;
+
+       /* detailed rx_errors: */
+       u_long  rx_length_errors;
+       u_long  rx_over_errors;    /* receiver ring buff overflow  */
+       u_long  rx_crc_errors;     /* recv'd pkt with crc error    */
+       u_long  rx_frame_errors;   /* recv'd frame alignment error */
+       u_long  rx_fifo_errors;    /* recv'r fifo overrun          */
+       u_long  rx_missed_errors;  /* recv'r missed packet         */
+
+       /* detailed tx_errors */
+       u_long  tx_aborted_errors;
+       u_long  tx_carrier_errors;
+       u_long  tx_fifo_errors;
+       u_long  tx_heartbeat_errors;
+       u_long  tx_window_errors;
+     };
+#endif
+
+/*
+ * Item in a list of interfaces.
+ */
+struct pcap_if {
+	struct pcap_if *next;
+	char *name;		/* name to hand to "pcap_open_live()" */
+	char *description;	/* textual description of interface, or NULL */
+	struct pcap_addr *addresses;
+	bpf_u_int32 flags;	/* PCAP_IF_ interface flags */
+};
+
+#define PCAP_IF_LOOPBACK	0x00000001	/* interface is loopback */
+
+/*
+ * Representation of an interface address.
+ */
+struct pcap_addr {
+	struct pcap_addr *next;
+	struct sockaddr *addr;		/* address */
+	struct sockaddr *netmask;	/* netmask for that address */
+	struct sockaddr *broadaddr;	/* broadcast address for that address */
+	struct sockaddr *dstaddr;	/* P2P destination address for that address */
+};
+
+typedef void (*pcap_handler)(u_char *, const struct pcap_pkthdr *,
+			     const u_char *);
+
+/*
+ * Error codes for the pcap API.
+ * These will all be negative, so you can check for the success or
+ * failure of a call that returns these codes by checking for a
+ * negative value.
+ */
+#define PCAP_ERROR			-1	/* generic error code */
+#define PCAP_ERROR_BREAK		-2	/* loop terminated by pcap_breakloop */
+#define PCAP_ERROR_NOT_ACTIVATED	-3	/* the capture needs to be activated */
+#define PCAP_ERROR_ACTIVATED		-4	/* the operation can't be performed on already activated captures */
+#define PCAP_ERROR_NO_SUCH_DEVICE	-5	/* no such device exists */
+#define PCAP_ERROR_RFMON_NOTSUP		-6	/* this device doesn't support rfmon (monitor) mode */
+#define PCAP_ERROR_NOT_RFMON		-7	/* operation supported only in monitor mode */
+#define PCAP_ERROR_PERM_DENIED		-8	/* no permission to open the device */
+#define PCAP_ERROR_IFACE_NOT_UP		-9	/* interface isn't up */
+
+/*
+ * Warning codes for the pcap API.
+ * These will all be positive and non-zero, so they won't look like
+ * errors.
+ */
+#define PCAP_WARNING			1	/* generic warning code */
+#define PCAP_WARNING_PROMISC_NOTSUP	2	/* this device doesn't support promiscuous mode */
+
+char	*pcap_lookupdev(char *);
+int	pcap_lookupnet(const char *, bpf_u_int32 *, bpf_u_int32 *, char *);
+
+pcap_t	*pcap_create(const char *, char *);
+int	pcap_set_snaplen(pcap_t *, int);
+int	pcap_set_promisc(pcap_t *, int);
+int	pcap_can_set_rfmon(pcap_t *);
+int	pcap_set_rfmon(pcap_t *, int);
+int	pcap_set_timeout(pcap_t *, int);
+int	pcap_set_buffer_size(pcap_t *, int);
+int	pcap_activate(pcap_t *);
+
+pcap_t	*pcap_open_live(const char *, int, int, int, char *);
+pcap_t	*pcap_open_dead(int, int);
+pcap_t	*pcap_open_offline(const char *, char *);
+#if defined(WIN32)
+pcap_t  *pcap_hopen_offline(intptr_t, char *);
+#if !defined(LIBPCAP_EXPORTS)
+#define pcap_fopen_offline(f,b) \
+	pcap_hopen_offline(_get_osfhandle(_fileno(f)), b)
+#else /*LIBPCAP_EXPORTS*/
+static pcap_t *pcap_fopen_offline(FILE *, char *);
+#endif
+#else /*WIN32*/
+pcap_t	*pcap_fopen_offline(FILE *, char *);
+#endif /*WIN32*/
+
+void	pcap_close(pcap_t *);
+int	pcap_loop(pcap_t *, int, pcap_handler, u_char *);
+int	pcap_dispatch(pcap_t *, int, pcap_handler, u_char *);
+const u_char*
+	pcap_next(pcap_t *, struct pcap_pkthdr *);
+int 	pcap_next_ex(pcap_t *, struct pcap_pkthdr **, const u_char **);
+void	pcap_breakloop(pcap_t *);
+int	pcap_stats(pcap_t *, struct pcap_stat *);
+int	pcap_setfilter(pcap_t *, struct bpf_program *);
+int 	pcap_setdirection(pcap_t *, pcap_direction_t);
+int	pcap_getnonblock(pcap_t *, char *);
+int	pcap_setnonblock(pcap_t *, int, char *);
+int	pcap_inject(pcap_t *, const void *, size_t);
+int	pcap_sendpacket(pcap_t *, const u_char *, int);
+const char *pcap_statustostr(int);
+const char *pcap_strerror(int);
+char	*pcap_geterr(pcap_t *);
+void	pcap_perror(pcap_t *, char *);
+int	pcap_compile(pcap_t *, struct bpf_program *, const char *, int,
+	    bpf_u_int32);
+int	pcap_compile_nopcap(int, int, struct bpf_program *,
+	    const char *, int, bpf_u_int32);
+void	pcap_freecode(struct bpf_program *);
+int	pcap_offline_filter(struct bpf_program *, const struct pcap_pkthdr *,
+	    const u_char *);
+int	pcap_datalink(pcap_t *);
+int	pcap_datalink_ext(pcap_t *);
+int	pcap_list_datalinks(pcap_t *, int **);
+int	pcap_set_datalink(pcap_t *, int);
+void	pcap_free_datalinks(int *);
+int	pcap_datalink_name_to_val(const char *);
+const char *pcap_datalink_val_to_name(int);
+const char *pcap_datalink_val_to_description(int);
+int	pcap_snapshot(pcap_t *);
+int	pcap_is_swapped(pcap_t *);
+int	pcap_major_version(pcap_t *);
+int	pcap_minor_version(pcap_t *);
+
+/* XXX */
+FILE	*pcap_file(pcap_t *);
+int	pcap_fileno(pcap_t *);
+
+pcap_dumper_t *pcap_dump_open(pcap_t *, const char *);
+pcap_dumper_t *pcap_dump_fopen(pcap_t *, FILE *fp);
+FILE	*pcap_dump_file(pcap_dumper_t *);
+long	pcap_dump_ftell(pcap_dumper_t *);
+int	pcap_dump_flush(pcap_dumper_t *);
+void	pcap_dump_close(pcap_dumper_t *);
+void	pcap_dump(u_char *, const struct pcap_pkthdr *, const u_char *);
+
+int	pcap_findalldevs(pcap_if_t **, char *);
+void	pcap_freealldevs(pcap_if_t *);
+
+const char *pcap_lib_version(void);
+
+/* XXX this guy lives in the bpf tree */
+u_int	bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int);
+int	bpf_validate(const struct bpf_insn *f, int len);
+char	*bpf_image(const struct bpf_insn *, int);
+void	bpf_dump(const struct bpf_program *, int);
+
+#if defined(WIN32)
+
+/*
+ * Win32 definitions
+ */
+
+int pcap_setbuff(pcap_t *p, int dim);
+int pcap_setmode(pcap_t *p, int mode);
+int pcap_setmintocopy(pcap_t *p, int size);
+
+#ifdef WPCAP
+/* Include file with the wpcap-specific extensions */
+#include <Win32-Extensions.h>
+#endif /* WPCAP */
+
+#define MODE_CAPT 0
+#define MODE_STAT 1
+#define MODE_MON 2
+
+#elif defined(MSDOS)
+
+/*
+ * MS-DOS definitions
+ */
+
+int  pcap_stats_ex (pcap_t *, struct pcap_stat_ex *);
+void pcap_set_wait (pcap_t *p, void (*yield)(void), int wait);
+u_long pcap_mac_packets (void);
+
+#else /* UN*X */
+
+/*
+ * UN*X definitions
+ */
+
+int	pcap_get_selectable_fd(pcap_t *);
+
+#endif /* WIN32/MSDOS/UN*X */
+
+#ifdef HAVE_REMOTE
+/* Includes most of the public stuff that is needed for the remote capture */
+#include <remote-ext.h>
+#endif	 /* HAVE_REMOTE */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap/sll.h

@@ -0,0 +1,129 @@
+/*-
+ * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from the Stanford/CMU enet packet filter,
+ * (net/enet.c) distributed as part of 4.3BSD, and code contributed
+ * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
+ * Berkeley Laboratory.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap/sll.h,v 1.2.2.1 2008-05-30 01:36:06 guy Exp $ (LBL)
+ */
+
+/*
+ * For captures on Linux cooked sockets, we construct a fake header
+ * that includes:
+ *
+ *	a 2-byte "packet type" which is one of:
+ *
+ *		LINUX_SLL_HOST		packet was sent to us
+ *		LINUX_SLL_BROADCAST	packet was broadcast
+ *		LINUX_SLL_MULTICAST	packet was multicast
+ *		LINUX_SLL_OTHERHOST	packet was sent to somebody else
+ *		LINUX_SLL_OUTGOING	packet was sent *by* us;
+ *
+ *	a 2-byte Ethernet protocol field;
+ *
+ *	a 2-byte link-layer type;
+ *
+ *	a 2-byte link-layer address length;
+ *
+ *	an 8-byte source link-layer address, whose actual length is
+ *	specified by the previous value.
+ *
+ * All fields except for the link-layer address are in network byte order.
+ *
+ * DO NOT change the layout of this structure, or change any of the
+ * LINUX_SLL_ values below.  If you must change the link-layer header
+ * for a "cooked" Linux capture, introduce a new DLT_ type (ask
+ * "tcpdump-workers@lists.tcpdump.org" for one, so that you don't give it
+ * a value that collides with a value already being used), and use the
+ * new header in captures of that type, so that programs that can
+ * handle DLT_LINUX_SLL captures will continue to handle them correctly
+ * without any change, and so that capture files with different headers
+ * can be told apart and programs that read them can dissect the
+ * packets in them.
+ */
+
+#ifndef lib_pcap_sll_h
+#define lib_pcap_sll_h
+
+/*
+ * A DLT_LINUX_SLL fake link-layer header.
+ */
+#define SLL_HDR_LEN	16		/* total header length */
+#define SLL_ADDRLEN	8		/* length of address field */
+
+struct sll_header {
+	u_int16_t sll_pkttype;		/* packet type */
+	u_int16_t sll_hatype;		/* link-layer address type */
+	u_int16_t sll_halen;		/* link-layer address length */
+	u_int8_t sll_addr[SLL_ADDRLEN];	/* link-layer address */
+	u_int16_t sll_protocol;		/* protocol */
+};
+
+/*
+ * The LINUX_SLL_ values for "sll_pkttype"; these correspond to the
+ * PACKET_ values on Linux, but are defined here so that they're
+ * available even on systems other than Linux, and so that they
+ * don't change even if the PACKET_ values change.
+ */
+#define LINUX_SLL_HOST		0
+#define LINUX_SLL_BROADCAST	1
+#define LINUX_SLL_MULTICAST	2
+#define LINUX_SLL_OTHERHOST	3
+#define LINUX_SLL_OUTGOING	4
+
+/*
+ * The LINUX_SLL_ values for "sll_protocol"; these correspond to the
+ * ETH_P_ values on Linux, but are defined here so that they're
+ * available even on systems other than Linux.  We assume, for now,
+ * that the ETH_P_ values won't change in Linux; if they do, then:
+ *
+ *	if we don't translate them in "pcap-linux.c", capture files
+ *	won't necessarily be readable if captured on a system that
+ *	defines ETH_P_ values that don't match these values;
+ *
+ *	if we do translate them in "pcap-linux.c", that makes life
+ *	unpleasant for the BPF code generator, as the values you test
+ *	for in the kernel aren't the values that you test for when
+ *	reading a capture file, so the fixup code run on BPF programs
+ *	handed to the kernel ends up having to do more work.
+ *
+ * Add other values here as necessary, for handling packet types that
+ * might show up on non-Ethernet, non-802.x networks.  (Not all the ones
+ * in the Linux "if_ether.h" will, I suspect, actually show up in
+ * captures.)
+ */
+#define LINUX_SLL_P_802_3	0x0001	/* Novell 802.3 frames without 802.2 LLC header */
+#define LINUX_SLL_P_802_2	0x0004	/* 802.2 frames (not D/I/X Ethernet) */
+
+#endif

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap/usb.h

@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2006 Paolo Abeni (Italy)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Basic USB data struct
+ * By Paolo Abeni <paolo.abeni@email.it>
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap/usb.h,v 1.6 2007/09/22 02:06:08 guy Exp $
+ */
+ 
+#ifndef _PCAP_USB_STRUCTS_H__
+#define _PCAP_USB_STRUCTS_H__
+
+/* 
+ * possible transfer mode
+ */
+#define URB_TRANSFER_IN   0x80
+#define URB_ISOCHRONOUS   0x0
+#define URB_INTERRUPT     0x1
+#define URB_CONTROL       0x2
+#define URB_BULK          0x3
+
+/*
+ * possible event type
+ */
+#define URB_SUBMIT        'S'
+#define URB_COMPLETE      'C'
+#define URB_ERROR         'E'
+
+/*
+ * USB setup header as defined in USB specification.
+ * Appears at the front of each packet in DLT_USB captures.
+ */
+typedef struct _usb_setup {
+	u_int8_t bmRequestType;
+	u_int8_t bRequest;
+	u_int16_t wValue;
+	u_int16_t wIndex;
+	u_int16_t wLength;
+} pcap_usb_setup;
+
+
+/*
+ * Header prepended by linux kernel to each event.
+ * Appears at the front of each packet in DLT_USB_LINUX captures.
+ */
+typedef struct _usb_header {
+	u_int64_t id;
+	u_int8_t event_type;
+	u_int8_t transfer_type;
+	u_int8_t endpoint_number;
+	u_int8_t device_address;
+	u_int16_t bus_id;
+	char setup_flag;/*if !=0 the urb setup header is not present*/
+	char data_flag; /*if !=0 no urb data is present*/
+	int64_t ts_sec;
+	int32_t ts_usec;
+	int32_t status;
+	u_int32_t urb_len;
+	u_int32_t data_len; /* amount of urb data really present in this event*/
+	pcap_usb_setup setup;
+} pcap_usb_header;
+
+
+#endif

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/pcap/vlan.h

@@ -0,0 +1,46 @@
+/*-
+ * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap/vlan.h,v 1.1.2.2 2008-08-06 07:45:59 guy Exp $
+ */
+
+#ifndef lib_pcap_vlan_h
+#define lib_pcap_vlan_h
+
+struct vlan_tag {
+	u_int16_t	vlan_tpid;		/* ETH_P_8021Q */
+	u_int16_t	vlan_tci;		/* VLAN TCI */
+};
+
+#define VLAN_TAG_LEN	4
+
+#endif

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/common/WinPCap/remote-ext.h

@@ -0,0 +1,472 @@
+/*
+ * Copyright (c) 2002 - 2003
+ * NetGroup, Politecnico di Torino (Italy)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions 
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Politecnico di Torino nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+ *
+ */
+
+
+#ifndef __REMOTE_EXT_H__
+    #define __REMOTE_EXT_H__
+
+
+    #ifndef HAVE_REMOTE
+        #error Please do not include this file directly. Just define HAVE_REMOTE and then include pcap.h
+    #endif
+
+/* Definition for Microsoft Visual Studio */
+    #if _MSC_VER > 1000
+        #pragma once
+    #endif
+
+    #ifdef __cplusplus
+        extern "C" {
+    #endif
+
+/*!
+ *  \file remote-ext.h
+ *
+ *  The goal of this file it to include most of the new definitions that should be
+ *  placed into the pcap.h file.
+ *
+ *  It includes all new definitions (structures and functions like pcap_open().
+ *  Some of the functions are not really a remote feature, but, right now,
+ *  they are placed here.
+ */
+
+
+
+/* All this stuff is public */
+
+/*! \addtogroup remote_struct
+ \{
+ */
+
+
+
+/*!
+ *  \brief Defines the maximum buffer size in which address, port, interface names are kept.
+ *
+ *  In case the adapter name or such is larger than this value, it is truncated.
+ *  This is not used by the user; however it must be aware that an hostname / interface
+ *  name longer than this value will be truncated.
+ */
+    #define PCAP_BUF_SIZE    1024
+
+
+/*! \addtogroup remote_source_ID
+ \{
+ */
+
+
+/*!
+ *  \brief Internal representation of the type of source in use (file,
+ *  remote/local interface).
+ *
+ *  This indicates a file, i.e. the user want to open a capture from a local file.
+ */
+    #define PCAP_SRC_FILE        2
+
+/*!
+ *  \brief Internal representation of the type of source in use (file,
+ *  remote/local interface).
+ *
+ *  This indicates a local interface, i.e. the user want to open a capture from
+ *  a local interface. This does not involve the RPCAP protocol.
+ */
+    #define PCAP_SRC_IFLOCAL     3
+
+/*!
+ *  \brief Internal representation of the type of source in use (file,
+ *  remote/local interface).
+ *
+ *  This indicates a remote interface, i.e. the user want to open a capture from
+ *  an interface on a remote host. This does involve the RPCAP protocol.
+ */
+    #define PCAP_SRC_IFREMOTE    4
+
+/*!
+ \}
+ */
+
+
+
+/*! \addtogroup remote_source_string
+ *
+ *  The formats allowed by the pcap_open() are the following:
+ *  - file://path_and_filename [opens a local file]
+ *  - rpcap://devicename [opens the selected device devices available on the local host, without using the RPCAP protocol]
+ *  - rpcap://host/devicename [opens the selected device available on a remote host]
+ *  - rpcap://host:port/devicename [opens the selected device available on a remote host, using a non-standard port for RPCAP]
+ *  - adaptername [to open a local adapter; kept for compability, but it is strongly discouraged]
+ *  - (NULL) [to open the first local adapter; kept for compability, but it is strongly discouraged]
+ *
+ *  The formats allowed by the pcap_findalldevs_ex() are the following:
+ *  - file://folder/ [lists all the files in the given folder]
+ *  - rpcap:// [lists all local adapters]
+ *  - rpcap://host:port/ [lists the devices available on a remote host]
+ *
+ *  Referring to the 'host' and 'port' paramters, they can be either numeric or literal. Since
+ *  IPv6 is fully supported, these are the allowed formats:
+ *
+ *  - host (literal): e.g. host.foo.bar
+ *  - host (numeric IPv4): e.g. 10.11.12.13
+ *  - host (numeric IPv4, IPv6 style): e.g. [10.11.12.13]
+ *  - host (numeric IPv6): e.g. [1:2:3::4]
+ *  - port: can be either numeric (e.g. '80') or literal (e.g. 'http')
+ *
+ *  Here you find some allowed examples:
+ *  - rpcap://host.foo.bar/devicename [everything literal, no port number]
+ *  - rpcap://host.foo.bar:1234/devicename [everything literal, with port number]
+ *  - rpcap://10.11.12.13/devicename [IPv4 numeric, no port number]
+ *  - rpcap://10.11.12.13:1234/devicename [IPv4 numeric, with port number]
+ *  - rpcap://[10.11.12.13]:1234/devicename [IPv4 numeric with IPv6 format, with port number]
+ *  - rpcap://[1:2:3::4]/devicename [IPv6 numeric, no port number]
+ *  - rpcap://[1:2:3::4]:1234/devicename [IPv6 numeric, with port number]
+ *  - rpcap://[1:2:3::4]:http/devicename [IPv6 numeric, with literal port number]
+ *
+ \{
+ */
+
+
+/*!
+ *  \brief String that will be used to determine the type of source in use (file,
+ *  remote/local interface).
+ *
+ *  This string will be prepended to the interface name in order to create a string
+ *  that contains all the information required to open the source.
+ *
+ *  This string indicates that the user wants to open a capture from a local file.
+ */
+    #define PCAP_SRC_FILE_STRING    "file://"
+
+/*!
+ *  \brief String that will be used to determine the type of source in use (file,
+ *  remote/local interface).
+ *
+ *  This string will be prepended to the interface name in order to create a string
+ *  that contains all the information required to open the source.
+ *
+ *  This string indicates that the user wants to open a capture from a network interface.
+ *  This string does not necessarily involve the use of the RPCAP protocol. If the
+ *  interface required resides on the local host, the RPCAP protocol is not involved
+ *  and the local functions are used.
+ */
+    #define PCAP_SRC_IF_STRING      "rpcap://"
+
+/*!
+ \}
+ */
+
+
+
+/*!
+ *  \addtogroup remote_open_flags
+ \{
+ */
+
+/*!
+ *  \brief Defines if the adapter has to go in promiscuous mode.
+ *
+ *  It is '1' if you have to open the adapter in promiscuous mode, '0' otherwise.
+ *  Note that even if this parameter is false, the interface could well be in promiscuous
+ *  mode for some other reason (for example because another capture process with
+ *  promiscuous mode enabled is currently using that interface).
+ *  On on Linux systems with 2.2 or later kernels (that have the "any" device), this
+ *  flag does not work on the "any" device; if an argument of "any" is supplied,
+ *  the 'promisc' flag is ignored.
+ */
+    #define PCAP_OPENFLAG_PROMISCUOUS    1
+
+/*!
+ *  \brief Defines if the data trasfer (in case of a remote
+ *  capture) has to be done with UDP protocol.
+ *
+ *  If it is '1' if you want a UDP data connection, '0' if you want
+ *  a TCP data connection; control connection is always TCP-based.
+ *  A UDP connection is much lighter, but it does not guarantee that all
+ *  the captured packets arrive to the client workstation. Moreover,
+ *  it could be harmful in case of network congestion.
+ *  This flag is meaningless if the source is not a remote interface.
+ *  In that case, it is simply ignored.
+ */
+    #define PCAP_OPENFLAG_DATATX_UDP     2
+
+
+/*!
+ *  \brief Defines if the remote probe will capture its own generated traffic.
+ *
+ *  In case the remote probe uses the same interface to capture traffic and to send
+ *  data back to the caller, the captured traffic includes the RPCAP traffic as well.
+ *  If this flag is turned on, the RPCAP traffic is excluded from the capture, so that
+ *  the trace returned back to the collector is does not include this traffic.
+ */
+    #define PCAP_OPENFLAG_NOCAPTURE_RPCAP       4
+
+/*!
+ *  \brief Defines if the local adapter will capture its own generated traffic.
+ *
+ *  This flag tells the underlying capture driver to drop the packets that were sent by itself.
+ *  This is usefult when building applications like bridges, that should ignore the traffic
+ *  they just sent.
+ */
+    #define PCAP_OPENFLAG_NOCAPTURE_LOCAL       8
+
+/*!
+ *  \brief This flag configures the adapter for maximum responsiveness.
+ *
+ *  In presence of a large value for nbytes, WinPcap waits for the arrival of several packets before
+ *  copying the data to the user. This guarantees a low number of system calls, i.e. lower processor usage,
+ *  i.e. better performance, which is good for applications like sniffers. If the user sets the
+ *  PCAP_OPENFLAG_MAX_RESPONSIVENESS flag, the capture driver will copy the packets as soon as the application
+ *  is ready to receive them. This is suggested for real time applications (like, for example, a bridge)
+ *  that need the best responsiveness.*/
+    #define PCAP_OPENFLAG_MAX_RESPONSIVENESS    16
+
+/*!
+ \}
+ */
+
+
+/*!
+ *  \addtogroup remote_samp_methods
+ \{
+ */
+
+/*!
+ *  \brief No sampling has to be done on the current capture.
+ *
+ *  In this case, no sampling algorithms are applied to the current capture.
+ */
+    #define PCAP_SAMP_NOSAMP              0
+
+/*!
+ *  \brief It defines that only 1 out of N packets must be returned to the user.
+ *
+ *  In this case, the 'value' field of the 'pcap_samp' structure indicates the
+ *  number of packets (minus 1) that must be discarded before one packet got accepted.
+ *  In other words, if 'value = 10', the first packet is returned to the caller, while
+ *  the following 9 are discarded.
+ */
+    #define PCAP_SAMP_1_EVERY_N           1
+
+/*!
+ *  \brief It defines that we have to return 1 packet every N milliseconds.
+ *
+ *  In this case, the 'value' field of the 'pcap_samp' structure indicates the 'waiting
+ *  time' in milliseconds before one packet got accepted.
+ *  In other words, if 'value = 10', the first packet is returned to the caller; the next
+ *  returned one will be the first packet that arrives when 10ms have elapsed.
+ */
+    #define PCAP_SAMP_FIRST_AFTER_N_MS    2
+
+/*!
+ \}
+ */
+
+
+/*!
+ *  \addtogroup remote_auth_methods
+ \{
+ */
+
+/*!
+ *  \brief It defines the NULL authentication.
+ *
+ *  This value has to be used within the 'type' member of the pcap_rmtauth structure.
+ *  The 'NULL' authentication has to be equal to 'zero', so that old applications
+ *  can just put every field of struct pcap_rmtauth to zero, and it does work.
+ */
+    #define RPCAP_RMTAUTH_NULL    0
+
+/*!
+ *  \brief It defines the username/password authentication.
+ *
+ *  With this type of authentication, the RPCAP protocol will use the username/
+ *  password provided to authenticate the user on the remote machine. If the
+ *  authentication is successful (and the user has the right to open network devices)
+ *  the RPCAP connection will continue; otherwise it will be dropped.
+ *
+ *  This value has to be used within the 'type' member of the pcap_rmtauth structure.
+ */
+    #define RPCAP_RMTAUTH_PWD     1
+
+/*!
+ \}
+ */
+
+
+
+/*!
+ *
+ *  \brief This structure keeps the information needed to autheticate
+ *  the user on a remote machine.
+ *
+ *  The remote machine can either grant or refuse the access according
+ *  to the information provided.
+ *  In case the NULL authentication is required, both 'username' and
+ *  'password' can be NULL pointers.
+ *
+ *  This structure is meaningless if the source is not a remote interface;
+ *  in that case, the functions which requires such a structure can accept
+ *  a NULL pointer as well.
+ */
+    struct pcap_rmtauth
+    {
+        /*!
+         *  \brief Type of the authentication required.
+         *
+         *  In order to provide maximum flexibility, we can support different types
+         *  of authentication based on the value of this 'type' variable. The currently
+         *  supported authentication methods are defined into the
+         *  \link remote_auth_methods Remote Authentication Methods Section\endlink.
+         *
+         */
+        int type;
+
+        /*!
+         *  \brief Zero-terminated string containing the username that has to be
+         *  used on the remote machine for authentication.
+         *
+         *  This field is meaningless in case of the RPCAP_RMTAUTH_NULL authentication
+         *  and it can be NULL.
+         */
+        char * username;
+
+        /*!
+         *  \brief Zero-terminated string containing the password that has to be
+         *  used on the remote machine for authentication.
+         *
+         *  This field is meaningless in case of the RPCAP_RMTAUTH_NULL authentication
+         *  and it can be NULL.
+         */
+        char * password;
+    };
+
+
+/*!
+ *  \brief This structure defines the information related to sampling.
+ *
+ *  In case the sampling is requested, the capturing device should read
+ *  only a subset of the packets coming from the source. The returned packets depend
+ *  on the sampling parameters.
+ *
+ *  \warning The sampling process is applied <strong>after</strong> the filtering process.
+ *  In other words, packets are filtered first, then the sampling process selects a
+ *  subset of the 'filtered' packets and it returns them to the caller.
+ */
+    struct pcap_samp
+    {
+        /*!
+         *  Method used for sampling. Currently, the supported methods are listed in the
+         *  \link remote_samp_methods Sampling Methods Section\endlink.
+         */
+        int method;
+
+        /*!
+         *  This value depends on the sampling method defined. For its meaning, please check
+         *  at the \link remote_samp_methods Sampling Methods Section\endlink.
+         */
+        int value;
+    };
+
+
+
+/*! Maximum lenght of an host name (needed for the RPCAP active mode) */
+    #define RPCAP_HOSTLIST_SIZE    1024
+
+
+/*!
+ \}
+ *//* end of public documentation */
+
+
+/* Exported functions */
+
+
+
+/** \name New WinPcap functions
+ *
+ *  This section lists the new functions that are able to help considerably in writing
+ *  WinPcap programs because of their easiness of use.
+ */
+/*\{ */
+    pcap_t * pcap_open( const char * source,
+                        int snaplen,
+                        int flags,
+                        int read_timeout,
+                        struct pcap_rmtauth * auth,
+                        char * errbuf );
+    int pcap_createsrcstr( char * source,
+                           int type,
+                           const char * host,
+                           const char * port,
+                           const char * name,
+                           char * errbuf );
+    int pcap_parsesrcstr( const char * source,
+                          int * type,
+                          char * host,
+                          char * port,
+                          char * name,
+                          char * errbuf );
+    int pcap_findalldevs_ex( char * source,
+                             struct pcap_rmtauth * auth,
+                             pcap_if_t ** alldevs,
+                             char * errbuf );
+    struct pcap_samp * pcap_setsampling( pcap_t * p );
+
+/*\} */
+/* End of new winpcap functions */
+
+
+
+/** \name Remote Capture functions
+ */
+/*\{ */
+    SOCKET pcap_remoteact_accept( const char * address,
+                                  const char * port,
+                                  const char * hostlist,
+                                  char * connectinghost,
+                                  struct pcap_rmtauth * auth,
+                                  char * errbuf );
+    int pcap_remoteact_list( char * hostlist,
+                             char sep,
+                             int size,
+                             char * errbuf );
+    int pcap_remoteact_close( const char * host,
+                              char * errbuf );
+    void pcap_remoteact_cleanup();
+/*\} */
+/* End of remote capture functions */
+
+    #ifdef __cplusplus
+        }
+    #endif
+
+
+#endif /* ifndef __REMOTE_EXT_H__ */

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Minimal_Windows_Simulator/DemoTasks/SimpleTCPEchoServer.c

@@ -1,71 +1,28 @@
 /*
-    FreeRTOS V202212.00
+ * FreeRTOS V202212.00
-    All rights reserved
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
-
+ *
-    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
-
+ * this software and associated documentation files (the "Software"), to deal in
-    This file is part of the FreeRTOS distribution.
+ * the Software without restriction, including without limitation the rights to
-
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-    FreeRTOS is free software; you can redistribute it and/or modify it under
+ * the Software, and to permit persons to whom the Software is furnished to do so,
-    the terms of the GNU General Public License (version 2) as published by the
+ * subject to the following conditions:
-    Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
+ *
-
+ * The above copyright notice and this permission notice shall be included in all
-    ***************************************************************************
+ * copies or substantial portions of the Software.
-    >>!   NOTE: The modification to the GPL is included to allow you to     !<<
+ *
-    >>!   distribute a combined work that includes FreeRTOS without being   !<<
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    >>!   obliged to provide the source code for proprietary components     !<<
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-    >>!   outside of the FreeRTOS kernel.                                   !<<
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-    ***************************************************************************
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ *
-    FOR A PARTICULAR PURPOSE.  Full license text is available on the following
+ * https://www.FreeRTOS.org
-    link: http://www.freertos.org/a00114.html
+ * https://github.com/FreeRTOS
-
+ *
-    ***************************************************************************
+ */
-     *                                                                       *
-     *    FreeRTOS provides completely free yet professionally developed,    *
-     *    robust, strictly quality controlled, supported, and cross          *
-     *    platform software that is more than just the market leader, it     *
-     *    is the industry's de facto standard.                               *
-     *                                                                       *
-     *    Help yourself get started quickly while simultaneously helping     *
-     *    to support the FreeRTOS project by purchasing a FreeRTOS           *
-     *    tutorial book, reference manual, or both:                          *
-     *    http://www.FreeRTOS.org/Documentation                              *
-     *                                                                       *
-    ***************************************************************************
-
-    http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading
-    the FAQ page "My application does not run, what could be wrong?".  Have you
-    defined configASSERT()?
-
-    http://www.FreeRTOS.org/support - In return for receiving this top quality
-    embedded software for free we request you assist our global community by
-    participating in the support forum.
-
-    http://www.FreeRTOS.org/training - Investing in training allows your team to
-    be as productive as possible as early as possible.  Now you can receive
-    FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
-    Ltd, and the world's leading authority on the world's leading RTOS.
-
-    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
-    including FreeRTOS+Trace - an indispensable productivity tool, a DOS
-    compatible FAT file system, and our tiny thread aware UDP/IP stack.
-
-    http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
-    Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
-
-    http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
-    Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS
-    licenses offer ticketed support, indemnification and commercial middleware.
-
-    http://www.SafeRTOS.com - High Integrity Systems also provide a safety
-    engineered and independently SIL3 certified version for use in safety and
-    mission critical applications that require provable dependability.
-
-    1 tab == 4 spaces!
-*/
 
 /*
  * FreeRTOS tasks are used with FreeRTOS+TCP to create a TCP echo server on the
@@ -189,6 +146,7 @@ const BaseType_t xBacklog = 20;
 	listen for incoming connections. */
 	xBindAddress.sin_port = tcpechoPORT_NUMBER;
 	xBindAddress.sin_port = FreeRTOS_htons( xBindAddress.sin_port );
+	xBindAddress.sin_family = FREERTOS_AF_INET;
 	FreeRTOS_bind( xListeningSocket, &xBindAddress, sizeof( xBindAddress ) );
 	FreeRTOS_listen( xListeningSocket, xBacklog );
 

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Minimal_Windows_Simulator/DemoTasks/SimpleUDPClientAndServer.c

@@ -104,18 +104,28 @@ const TickType_t x150ms = 150UL / portTICK_PERIOD_MS;
 	so the IP address can be obtained immediately.  store the IP address being
 	used in ulIPAddress.  This is done so the socket can send to a different
 	port on the same IP address. */
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 	FreeRTOS_GetEndPointConfiguration( &ulIPAddress, NULL, NULL, NULL, pxNetworkEndPoints );
 #else
 	FreeRTOS_GetAddressConfiguration( &ulIPAddress, NULL, NULL, NULL );
-#endif
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 	/* This test sends to itself, so data sent from here is received by a server
 	socket on the same IP address.  Setup the freertos_sockaddr structure with
 	this nodes IP address, and the port number being sent to.  The strange
-	casting is to try and remove compiler warnings on 32 bit machines. */
+		casting is to try and remove compiler warnings on 32 bit machines. */
-	xDestinationAddress.sin_addr = ulIPAddress;
+	#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+	{
+		xDestinationAddress.sin_address.ulIP_IPv4 = ulIPAddress;
+	}
+	#else
+	{
+		xDestinationAddress.sin_addr = ulIPAddress;
+	}
+	#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+	
 	xDestinationAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
 	xDestinationAddress.sin_port = FreeRTOS_htons( xDestinationAddress.sin_port );
+	xDestinationAddress.sin_family = FREERTOS_AF_INET;
 
 	for( ;; )
 	{
@@ -174,6 +184,7 @@ Socket_t xListeningSocket;
 	so the IP address is valid here. */
 	xBindAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
 	xBindAddress.sin_port = FreeRTOS_htons( xBindAddress.sin_port );
+	xBindAddress.sin_family = FREERTOS_AF_INET;
 
 	/* Bind the socket to the port that the client task will send to. */
 	FreeRTOS_bind( xListeningSocket, &xBindAddress, sizeof( xBindAddress ) );
@@ -217,18 +228,25 @@ const size_t xStringLength = strlen( pcStringToSend ) + 15;
 	so the IP address can be obtained immediately.  store the IP address being
 	used in ulIPAddress.  This is done so the socket can send to a different
 	port on the same IP address. */
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 	FreeRTOS_GetEndPointConfiguration( &ulIPAddress, NULL, NULL, NULL, pxNetworkEndPoints );
+	/* This test sends to itself, so data sent from here is received by a server
+	socket on the same IP address.  Setup the freertos_sockaddr structure with
+	this nodes IP address, and the port number being sent to.  The strange
+	casting is to try and remove compiler warnings on 32 bit machines. */
+	xDestinationAddress.sin_address.ulIP_IPv4 = ulIPAddress;
 #else
 	FreeRTOS_GetAddressConfiguration( &ulIPAddress, NULL, NULL, NULL );
-#endif
 	/* This test sends to itself, so data sent from here is received by a server
 	socket on the same IP address.  Setup the freertos_sockaddr structure with
 	this nodes IP address, and the port number being sent to.  The strange
 	casting is to try and remove compiler warnings on 32 bit machines. */
 	xDestinationAddress.sin_addr = ulIPAddress;
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
 	xDestinationAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
 	xDestinationAddress.sin_port = FreeRTOS_htons( xDestinationAddress.sin_port );
+	xDestinationAddress.sin_family = FREERTOS_AF_INET;
 
 	for( ;; )
 	{
@@ -253,11 +271,11 @@ const size_t xStringLength = strlen( pcStringToSend ) + 15;
 			the do while loop is used to ensure a buffer is obtained. */
 			do
 			{
-			#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+			#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-			} while( ( pucUDPPayloadBuffer = ( uint8_t * ) FreeRTOS_GetUDPPayloadBuffer_ByIPType( xStringLength, portMAX_DELAY, ipTYPE_IPv4 ) ) == NULL );
+			} while( ( pucUDPPayloadBuffer = ( uint8_t * ) FreeRTOS_GetUDPPayloadBuffer_Multi( xStringLength, portMAX_DELAY, ipTYPE_IPv4 ) ) == NULL );
 			#else
 			} while( ( pucUDPPayloadBuffer = ( uint8_t * ) FreeRTOS_GetUDPPayloadBuffer( xStringLength, portMAX_DELAY ) ) == NULL );
-			#endif
+			#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
 			/* A buffer was successfully obtained.  Create the string that is
 			sent to the server.  First the string is filled with zeros as this will
@@ -327,14 +345,17 @@ Socket_t xListeningSocket;
 	the address being bound to.  The strange casting is to try and remove
 	compiler warnings on 32 bit machines.  Note that this task is only created
 	after the network is up, so the IP address is valid here. */
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 	FreeRTOS_GetEndPointConfiguration( &ulIPAddress, NULL, NULL, NULL, pxNetworkEndPoints );
+	xBindAddress.sin_address.ulIP_IPv4 = ulIPAddress;
 #else
 	FreeRTOS_GetAddressConfiguration( &ulIPAddress, NULL, NULL, NULL );
-#endif
 	xBindAddress.sin_addr = ulIPAddress;
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+	
 	xBindAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
 	xBindAddress.sin_port = FreeRTOS_htons( xBindAddress.sin_port );
+	xBindAddress.sin_family = FREERTOS_AF_INET;
 
 	/* Bind the socket to the port that the client task will send to. */
 	FreeRTOS_bind( xListeningSocket, &xBindAddress, sizeof( xBindAddress ) );

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Minimal_Windows_Simulator/DemoTasks/TCPEchoClient_SingleTasks.c

@@ -153,7 +153,18 @@ TickType_t xTimeOnEntering;
 	server is configured by the constants configECHO_SERVER_ADDR0 to
 	configECHO_SERVER_ADDR3 in FreeRTOSConfig.h. */
 	xEchoServerAddress.sin_port = FreeRTOS_htons( echoECHO_PORT );
-	xEchoServerAddress.sin_addr = FreeRTOS_inet_addr( configECHO_SERVER_ADDR );
+
+	#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+	{
+		xEchoServerAddress.sin_address.ulIP_IPv4 = FreeRTOS_inet_addr( configECHO_SERVER_ADDR );
+	}
+	#else
+	{
+		xEchoServerAddress.sin_addr = FreeRTOS_inet_addr( configECHO_SERVER_ADDR );
+	}
+	#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+	xEchoServerAddress.sin_family = FREERTOS_AF_INET;
 
 	for( ;; )
 	{

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Minimal_Windows_Simulator/main.c

@@ -130,7 +130,7 @@ const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_
 static UBaseType_t ulNextRand;
 /*-----------------------------------------------------------*/
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
     /* In case multiple interfaces are used, define them statically. */
 
     /* With WinPCap there is only 1 physical interface. */
@@ -139,7 +139,7 @@ static UBaseType_t ulNextRand;
     /* It will have several end-points. */
     static NetworkEndPoint_t xEndPoints[ 4 ];
 
-#endif /* if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
 /*-----------------------------------------------------------*/
 
@@ -167,7 +167,7 @@ int main( void )
     /* Initialise the network interface.*/
     FreeRTOS_debug_printf( ( "FreeRTOS_IPInit\r\n" ) );
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
     /* Initialise the interface descriptor for WinPCap. */
     pxWinPcap_FillInterfaceDescriptor( 0, &( xInterfaces[ 0 ] ) );
 
@@ -182,11 +182,11 @@ int main( void )
 
     memcpy( ipLOCAL_MAC_ADDRESS, ucMACAddress, sizeof( ucMACAddress ) );
 
-    FreeRTOS_IPStart();
+    FreeRTOS_IPInit_Multi();
 #else
     /* Using the old /single /IPv4 library, or using backward compatible mode of the new /multi library. */
     FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
-#endif /* if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
     /* Start the RTOS scheduler. */
     FreeRTOS_debug_printf( ( "vTaskStartScheduler\r\n" ) );
@@ -220,7 +220,12 @@ void vApplicationIdleHook( void )
 
 /* Called by FreeRTOS+TCP when the network connects or disconnects.  Disconnect
  * events are only received if implemented in the MAC driver. */
-void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+    void vApplicationIPNetworkEventHook_Multi( eIPCallbackEvent_t eNetworkEvent,
+                                                   struct xNetworkEndPoint * pxEndPoint )
+#else
+    void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 {
     uint32_t ulIPAddress, ulNetMask, ulGatewayAddress, ulDNSServerAddress;
     char cBuffer[ 16 ];
@@ -260,14 +265,14 @@ void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
         /* Print out the network configuration, which may have come from a DHCP
          * server. */
 
-        /* Using FREERTOS_PLUS_TCP_VERSION as the substitute of the
+        /* Using ipconfigIPv4_BACKWARD_COMPATIBLE as the substitute of the
          * downward compatibility*/
 
-    #if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
         FreeRTOS_GetEndPointConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress, pxNetworkEndPoints );
     #else
         FreeRTOS_GetAddressConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress );
-    #endif
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
         FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
         FreeRTOS_printf( ( "\r\n\r\nIP Address: %s\r\n", cBuffer ) );
 
@@ -341,7 +346,12 @@ static void prvMiscInitialisation( void )
 
 #if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
 
-    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+        BaseType_t xApplicationDNSQueryHook_Multi( struct xNetworkEndPoint * pxEndPoint,
+                                                            const char * pcName )
+    #else
+        BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
     {
         BaseType_t xReturn;
 
@@ -401,8 +411,14 @@ BaseType_t xApplicationGetRandomNumber( uint32_t * pulNumber )
 
 #if ( ( ipconfigUSE_TCP == 1 ) && ( ipconfigUSE_DHCP_HOOK != 0 ) )
 
-eDHCPCallbackAnswer_t xApplicationDHCPHook( eDHCPCallbackPhase_t eDHCPPhase,
+    #if ( ipconfigIPv4_BACKWARD_COMPATIBLE == 1 )
-                                            uint32_t ulIPAddress )
+        eDHCPCallbackAnswer_t xApplicationDHCPHook( eDHCPCallbackPhase_t eDHCPPhase,
+                                                    uint32_t ulIPAddress )
+    #else /* ( ipconfigIPv4_BACKWARD_COMPATIBLE == 1 ) */
+        eDHCPCallbackAnswer_t xApplicationDHCPHook_Multi( eDHCPCallbackPhase_t eDHCPPhase,
+                                                          struct xNetworkEndPoint * pxEndPoint,
+                                                          IP_Address_t * pxIPAddress )
+    #endif /* ( ipconfigIPv4_BACKWARD_COMPATIBLE == 1 ) */
 {
     /* Provide a stub for this function. */
     return eDHCPContinue;

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_UDP_Mode_CLI_Windows_Simulator/DemoTasks/CLI-commands.c

@@ -532,44 +532,44 @@ uint32_t ulAddress;
 	switch( xIndex )
 	{
 		case 0 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( &ulAddress, NULL, NULL, NULL, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( &ulAddress, NULL, NULL, NULL );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( ( char * ) pcWriteBuffer, "\r\nIP address " );
 			xReturn = pdTRUE;
 			xIndex++;
 			break;
 
 		case 1 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( NULL, &ulAddress, NULL, NULL, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( NULL, &ulAddress, NULL, NULL );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( ( char * ) pcWriteBuffer, "\r\nNet mask " );
 			xReturn = pdTRUE;
 			xIndex++;
 			break;
 
 		case 2 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( NULL, NULL, &ulAddress, NULL, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( NULL, NULL, &ulAddress, NULL );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( ( char * ) pcWriteBuffer, "\r\nGateway address " );
 			xReturn = pdTRUE;
 			xIndex++;
 			break;
 
 		case 3 :
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 			FreeRTOS_GetEndPointConfiguration( NULL, NULL, NULL, &ulAddress, pxNetworkEndPoints );
 		#else
 			FreeRTOS_GetAddressConfiguration( NULL, NULL, NULL, &ulAddress );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 			sprintf( ( char * ) pcWriteBuffer, "\r\nDNS server address " );
 			xReturn = pdTRUE;
 			xIndex++;

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_UDP_Mode_CLI_Windows_Simulator/DemoTasks/SimpleClientAndServer.c

@@ -94,19 +94,25 @@ const portTickType x150ms = 150UL / portTICK_RATE_MS;
 	so the IP address can be obtained immediately.  store the IP address being
 	used in ulIPAddress.  This is done so the socket can send to a different
 	port on the same IP address. */
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 	FreeRTOS_GetEndPointConfiguration( &ulIPAddress, NULL, NULL, NULL, pxNetworkEndPoints );
+	/* This test sends to itself, so data sent from here is received by a server
+	socket on the same IP address.  Setup the freertos_sockaddr structure with
+	this nodes IP address, and the port number being sent to.  The strange
+	casting is to try and remove compiler warnings on 32 bit machines. */
+	xDestinationAddress.sin_address.ulIP_IPv4 = ulIPAddress;
 #else
 	FreeRTOS_GetAddressConfiguration( &ulIPAddress, NULL, NULL, NULL );
-#endif
-
 	/* This test sends to itself, so data sent from here is received by a server
 	socket on the same IP address.  Setup the freertos_sockaddr structure with
 	this nodes IP address, and the port number being sent to.  The strange
 	casting is to try and remove compiler warnings on 32 bit machines. */
 	xDestinationAddress.sin_addr = ulIPAddress;
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+	
 	xDestinationAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
 	xDestinationAddress.sin_port = FreeRTOS_htons( xDestinationAddress.sin_port );
+	xDestinationAddress.sin_family = FREERTOS_AF_INET;
 
 	for( ;; )
 	{
@@ -165,6 +171,7 @@ Socket_t xListeningSocket;
 	so the IP address is valid here. */
 	xBindAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
 	xBindAddress.sin_port = FreeRTOS_htons( xBindAddress.sin_port );
+	xBindAddress.sin_family = FREERTOS_AF_INET;
 
 	/* Bind the socket to the port that the client task will send to. */
 	FreeRTOS_bind( xListeningSocket, &xBindAddress, sizeof( xBindAddress ) );
@@ -214,18 +221,25 @@ const size_t xStringLength = strlen( ( char * ) pucStringToSend ) + 15;
 	so the IP address can be obtained immediately.  store the IP address being
 	used in ulIPAddress.  This is done so the socket can send to a different
 	port on the same IP address. */
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 	FreeRTOS_GetEndPointConfiguration( &ulIPAddress, NULL, NULL, NULL, pxNetworkEndPoints );
+	/* This test sends to itself, so data sent from here is received by a server
+	socket on the same IP address.  Setup the freertos_sockaddr structure with
+	this nodes IP address, and the port number being sent to.  The strange
+	casting is to try and remove compiler warnings on 32 bit machines. */
+	xDestinationAddress.sin_address.ulIP_IPv4 = ulIPAddress;
 #else
 	FreeRTOS_GetAddressConfiguration( &ulIPAddress, NULL, NULL, NULL );
-#endif
 	/* This test sends to itself, so data sent from here is received by a server
 	socket on the same IP address.  Setup the freertos_sockaddr structure with
 	this nodes IP address, and the port number being sent to.  The strange
 	casting is to try and remove compiler warnings on 32 bit machines. */
 	xDestinationAddress.sin_addr = ulIPAddress;
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
 	xDestinationAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
 	xDestinationAddress.sin_port = FreeRTOS_htons( xDestinationAddress.sin_port );
+	xDestinationAddress.sin_family = FREERTOS_AF_INET;
 
 	for( ;; )
 	{
@@ -250,11 +264,11 @@ const size_t xStringLength = strlen( ( char * ) pucStringToSend ) + 15;
 			the do while loop is used to ensure a buffer is obtained. */
 			do
 			{
-			#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+			#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-			} while( ( pucUDPPayloadBuffer = ( uint8_t * ) FreeRTOS_GetUDPPayloadBuffer_ByIPType( xStringLength, portMAX_DELAY, ipTYPE_IPv4 ) ) == NULL );
+			} while( ( pucUDPPayloadBuffer = ( uint8_t * ) FreeRTOS_GetUDPPayloadBuffer_Multi( xStringLength, portMAX_DELAY, ipTYPE_IPv4 ) ) == NULL );
 			#else
 			} while( ( pucUDPPayloadBuffer = ( uint8_t * ) FreeRTOS_GetUDPPayloadBuffer( xStringLength, portMAX_DELAY ) ) == NULL );
-			#endif
+			#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
 			/* A buffer was successfully obtained.  Create the string that is
 			sent to the server.  First the string is filled with zeros as this will
@@ -324,14 +338,17 @@ Socket_t xListeningSocket;
 	the address being bound to.  The strange casting is to try and remove
 	compiler warnings on 32 bit machines.  Note that this task is only created
 	after the network is up, so the IP address is valid here. */
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 	FreeRTOS_GetEndPointConfiguration( &ulIPAddress, NULL, NULL, NULL, pxNetworkEndPoints );
+	xBindAddress.sin_address.ulIP_IPv4 = ulIPAddress;
 #else
 	FreeRTOS_GetAddressConfiguration( &ulIPAddress, NULL, NULL, NULL );
-#endif
 	xBindAddress.sin_addr = ulIPAddress;
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+	
 	xBindAddress.sin_port = ( uint16_t ) ( ( uint32_t ) pvParameters ) & 0xffffUL;
 	xBindAddress.sin_port = FreeRTOS_htons( xBindAddress.sin_port );
+	xBindAddress.sin_family = FREERTOS_AF_INET;
 
 	/* Bind the socket to the port that the client task will send to. */
 	FreeRTOS_bind( xListeningSocket, &xBindAddress, sizeof( xBindAddress ) );

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_UDP_Mode_CLI_Windows_Simulator/DemoTasks/TwoEchoClients.c

@@ -139,10 +139,24 @@ uint32_t xAddressLength = sizeof( xEchoServerAddress );
 	server is configured by the constants configECHO_SERVER_ADDR0 to
 	configECHO_SERVER_ADDR3 in FreeRTOSConfig.h. */
 	xEchoServerAddress.sin_port = FreeRTOS_htons( echoECHO_PORT );
-	xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+
-															configECHO_SERVER_ADDR1,
+	#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-															configECHO_SERVER_ADDR2,
+	{
-															configECHO_SERVER_ADDR3 );
+		xEchoServerAddress.sin_address.ulIP_IPv4 = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+																configECHO_SERVER_ADDR1,
+																configECHO_SERVER_ADDR2,
+																configECHO_SERVER_ADDR3 );
+	}
+	#else
+	{
+		xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+																configECHO_SERVER_ADDR1,
+																configECHO_SERVER_ADDR2,
+																configECHO_SERVER_ADDR3 );
+	}
+	#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+	xEchoServerAddress.sin_family = FREERTOS_AF_INET;
 
 	for( ;; )
 	{
@@ -270,10 +284,24 @@ const size_t xBufferLength = strlen( ( char * ) pucStringToSend ) + 15;
 	server is configured by the constants configECHO_SERVER_ADDR0 to
 	configECHO_SERVER_ADDR3 in FreeRTOSConfig.h. */
 	xEchoServerAddress.sin_port = FreeRTOS_htons( echoECHO_PORT );
-	xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+
-															configECHO_SERVER_ADDR1,
+	#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-															configECHO_SERVER_ADDR2,
+	{
-															configECHO_SERVER_ADDR3 );
+		xEchoServerAddress.sin_address.ulIP_IPv4 = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+																configECHO_SERVER_ADDR1,
+																configECHO_SERVER_ADDR2,
+																configECHO_SERVER_ADDR3 );
+	}
+	#else
+	{
+		xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( configECHO_SERVER_ADDR0,
+																configECHO_SERVER_ADDR1,
+																configECHO_SERVER_ADDR2,
+																configECHO_SERVER_ADDR3 );
+	}
+	#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+	xEchoServerAddress.sin_family = FREERTOS_AF_INET;
 
 	for( ;; )
 	{
@@ -296,11 +324,11 @@ const size_t xBufferLength = strlen( ( char * ) pucStringToSend ) + 15;
 			ipconfigMAX_SEND_BLOCK_TIME_TICKS, hence the test to ensure a buffer
 			was actually obtained. */
 
-		#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+		#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-			pucUDPPayloadBuffer = ( uint8_t * ) FreeRTOS_GetUDPPayloadBuffer_ByIPType( xBufferLength, portMAX_DELAY, ipTYPE_IPv4 );
+			pucUDPPayloadBuffer = ( uint8_t * ) FreeRTOS_GetUDPPayloadBuffer_Multi( xBufferLength, portMAX_DELAY, ipTYPE_IPv4 );
 		#else
 			pucUDPPayloadBuffer = ( uint8_t * ) FreeRTOS_GetUDPPayloadBuffer( xBufferLength, portMAX_DELAY );
-		#endif
+		#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
 			if( pucUDPPayloadBuffer != NULL )
 			{

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_UDP_Mode_CLI_Windows_Simulator/DemoTasks/UDPCommandServer.c

@@ -192,6 +192,7 @@ Socket_t xSocket = FREERTOS_INVALID_SOCKET;
 
 		/* Set family and port. */
 		xServer.sin_port = FreeRTOS_htons( usPort );
+		xServer.sin_family = FREERTOS_AF_INET;
 
 		/* Bind the address to the socket. */
 		if( FreeRTOS_bind( xSocket, &xServer, sizeof( xServer ) ) == -1 )

FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_UDP_Mode_CLI_Windows_Simulator/main.c

@@ -108,7 +108,7 @@ const BaseType_t xLogToStdout = pdTRUE, xLogToFile = pdFALSE, xLogToUDP = pdFALS
 /* Used by the pseudo random number generator. */
 static UBaseType_t ulNextRand;
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 
     /* In case multiple interfaces are used, define them statically. */
 
@@ -118,7 +118,7 @@ static UBaseType_t ulNextRand;
     /* It will have several end-points. */
     static NetworkEndPoint_t xEndPoints[ 4 ];
 
-#endif /* if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
 /******************************************************************************
  *
@@ -145,7 +145,7 @@ const uint32_t ulLongTime_ms = 250UL;
     /* Initialise the network interface.*/
     FreeRTOS_debug_printf( ( "FreeRTOS_IPInit\r\n" ) );
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
     /* Initialise the interface descriptor for WinPCap. */
     pxWinPcap_FillInterfaceDescriptor( 0, &( xInterfaces[ 0 ] ) );
 
@@ -158,11 +158,11 @@ const uint32_t ulLongTime_ms = 250UL;
     }
     #endif /* ( ipconfigUSE_DHCP != 0 ) */
     memcpy( ipLOCAL_MAC_ADDRESS, ucMACAddress, sizeof( ucMACAddress ) );
-    FreeRTOS_IPStart();
+    FreeRTOS_IPInit_Multi();
 #else
     /* Using the old /single /IPv4 library, or using backward compatible mode of the new /multi library. */
     FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
-#endif /* if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
     /* Initialise the logging. */
     uint32_t ulLoggingIPAddress;
@@ -271,7 +271,12 @@ void vApplicationMallocFailedHook( void )
 
 #if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
 
-    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+        BaseType_t xApplicationDNSQueryHook_Multi( struct xNetworkEndPoint * pxEndPoint,
+                                                            const char * pcName )
+    #else
+        BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
     {
         BaseType_t xReturn;
 

FreeRTOS-Plus/Demo/coreMQTT_Windows_Simulator/MQTT_Serializer/DemoTasks/SerializerMQTTExample.c

@@ -604,7 +604,18 @@ static Socket_t prvCreateTCPConnectionToBroker( void )
         if( ulBrokerIPAddress != 0 )
         {
             xBrokerAddress.sin_port = FreeRTOS_htons( democonfigMQTT_BROKER_PORT );
-            xBrokerAddress.sin_addr = ulBrokerIPAddress;
+
+            #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+            {
+                xBrokerAddress.sin_address.ulIP_IPv4 = ulBrokerIPAddress;
+            }
+            #else
+            {
+                xBrokerAddress.sin_addr = ulBrokerIPAddress;
+            }
+            #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+            xBrokerAddress.sin_family = FREERTOS_AF_INET;
 
             if( FreeRTOS_connect( xMQTTSocket, &xBrokerAddress, sizeof( xBrokerAddress ) ) == 0 )
             {

FreeRTOS-Plus/Demo/coreSNTP_Windows_Simulator/SNTPClientTask.c

@@ -733,8 +733,18 @@ int32_t UdpTransport_Send( NetworkContext_t * pNetworkContext,
     struct freertos_sockaddr destinationAddress;
     int32_t bytesSent;
 
-    destinationAddress.sin_addr = FreeRTOS_htonl( serverAddr );
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+    {
+        destinationAddress.sin_address.ulIP_IPv4 = FreeRTOS_htonl( serverAddr );
+    }
+    #else
+    {
+        destinationAddress.sin_addr = FreeRTOS_htonl( serverAddr );
+    }
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
     destinationAddress.sin_port = FreeRTOS_htons( serverPort );
+    destinationAddress.sin_family = FREERTOS_AF_INET;
 
     /* Send the buffer with ulFlags set to 0, so the FREERTOS_ZERO_COPY bit
      * is clear. */
@@ -787,15 +797,29 @@ static int32_t UdpTransport_Recv( NetworkContext_t * pNetworkContext,
 
     /* If data is received from the network, discard the data if  received from a different source than
      * the server. */
-    if( ( bytesReceived > 0 ) && ( ( FreeRTOS_ntohl( sourceAddress.sin_addr ) != serverAddr ) ||
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-                                   ( FreeRTOS_ntohs( sourceAddress.sin_port ) != serverPort ) ) )
+        if( ( bytesReceived > 0 ) && ( ( FreeRTOS_ntohl( sourceAddress.sin_address.ulIP_IPv4 ) != serverAddr ) ||
+                                    ( FreeRTOS_ntohs( sourceAddress.sin_port ) != serverPort ) ) )
+    #else
+        if( ( bytesReceived > 0 ) && ( ( FreeRTOS_ntohl( sourceAddress.sin_addr ) != serverAddr ) ||
+                                    ( FreeRTOS_ntohs( sourceAddress.sin_port ) != serverPort ) ) )
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
     {
         bytesReceived = 0;
 
         #if defined( LIBRARY_LOG_LEVEL ) && ( LIBRARY_LOG_LEVEL != LOG_NONE )
             /* Convert the IP address of the sender's address to string for logging. */
             char stringAddr[ 16 ];
-            FreeRTOS_inet_ntoa( sourceAddress.sin_addr, stringAddr );
+
+            #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+            {
+                FreeRTOS_inet_ntoa( sourceAddress.sin_address.ulIP_IPv4, stringAddr );
+            }
+            #else
+            {
+                FreeRTOS_inet_ntoa( sourceAddress.sin_addr, stringAddr );
+            }
+            #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
             /* Log about reception of packet from unexpected sender. */
             LogWarn( ( "Received UDP packet from unexpected source: Addr=%s Port=%u",
@@ -1383,6 +1407,7 @@ static bool createUdpSocket( Socket_t * pSocket )
          * spoofing vulnerability from "network off-path" attackers. */
         uint16_t randomPort = ( generateRandomNumber() % UINT16_MAX );
         bindAddress.sin_port = FreeRTOS_htons( randomPort );
+        bindAddress.sin_family = FREERTOS_AF_INET;
 
         if( FreeRTOS_bind( *pSocket, &bindAddress, sizeof( bindAddress ) ) == 0 )
         {

FreeRTOS-Plus/Source/Application-Protocols/network_transport/tcp_sockets_wrapper/ports/freertos_plus_tcp/sockets_wrapper.c

@@ -91,11 +91,18 @@ BaseType_t Sockets_Connect( Socket_t * pTcpSocket,
         /* Connection parameters. */
         serverAddress.sin_family = FREERTOS_AF_INET;
         serverAddress.sin_port = FreeRTOS_htons( port );
-        serverAddress.sin_addr = ( uint32_t ) FreeRTOS_gethostbyname( pHostName );
         serverAddress.sin_len = ( uint8_t ) sizeof( serverAddress );
 
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+        serverAddress.sin_address.ulIP_IPv4 = ( uint32_t ) FreeRTOS_gethostbyname( pHostName );
+        /* Check for errors from DNS lookup. */
+        if( serverAddress.sin_address.ulIP_IPv4 == 0U )
+    #else
+        serverAddress.sin_addr = ( uint32_t ) FreeRTOS_gethostbyname( pHostName );
         /* Check for errors from DNS lookup. */
         if( serverAddress.sin_addr == 0U )
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
         {
             LogError( ( "Failed to connect to server: DNS resolution failed: Hostname=%s.",
                         pHostName ) );

FreeRTOS-Plus/Source/Application-Protocols/network_transport/tcp_sockets_wrapper/ports/freertos_plus_tcp/tcp_sockets_wrapper.c

@@ -115,11 +115,18 @@ BaseType_t TCP_Sockets_Connect( Socket_t * pTcpSocket,
         /* Connection parameters. */
         serverAddress.sin_family = FREERTOS_AF_INET;
         serverAddress.sin_port = FreeRTOS_htons( port );
-        serverAddress.sin_addr = ( uint32_t ) FreeRTOS_gethostbyname( pHostName );
         serverAddress.sin_len = ( uint8_t ) sizeof( serverAddress );
 
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+        serverAddress.sin_address.ulIP_IPv4 = ( uint32_t ) FreeRTOS_gethostbyname( pHostName );
+        /* Check for errors from DNS lookup. */
+        if( serverAddress.sin_address.ulIP_IPv4 == 0U )
+#else
+        serverAddress.sin_addr = ( uint32_t ) FreeRTOS_gethostbyname( pHostName );
         /* Check for errors from DNS lookup. */
         if( serverAddress.sin_addr == 0U )
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
         {
             LogError( ( "Failed to connect to server: DNS resolution failed: Hostname=%s.",
                         pHostName ) );

FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP

@@ -1 +1 @@
-Subproject commit a3f418a20dd05c5aecb362f52ee7344a606ac766
+Subproject commit 2d3f4daa567ffe71aeda2e0f6d0bc02850db0627

FreeRTOS-Plus/Test/FreeRTOS-Cellular-Interface/Integration/main.c

@@ -109,7 +109,12 @@ int main( void )
 
 /* Called by FreeRTOS+TCP when the network connects or disconnects.  Disconnect
  * events are only received if implemented in the MAC driver. */
-void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+    void vApplicationIPNetworkEventHook_Multi( eIPCallbackEvent_t eNetworkEvent,
+                                                   struct xNetworkEndPoint * pxEndPoint )
+#else
+    void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 {
     ( void ) eNetworkEvent;
 }
@@ -197,7 +202,12 @@ void vApplicationIdleHook( void )
 
 #if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
 
-    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+        BaseType_t xApplicationDNSQueryHook_Multi( struct xNetworkEndPoint * pxEndPoint,
+                                                            const char * pcName )
+    #else
+        BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
     {
         BaseType_t xReturn;
 

FreeRTOS-Plus/Test/FreeRTOS-Plus-TCP/Integration/Full-TCP-Networkless/main.c

@@ -1,5 +1,5 @@
 /*
- * FreeRTOS
+ * FreeRTOS V202212.00
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
@@ -19,10 +19,10 @@
  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- * https://aws.amazon.com/freertos
  * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
  */
-
 /**
  * @file main.c
  * @brief Implements the main function.
@@ -160,7 +160,12 @@ int main( void )
 }
 /*-----------------------------------------------------------*/
 
-void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+    void vApplicationIPNetworkEventHook_Multi( eIPCallbackEvent_t eNetworkEvent,
+                                                   struct xNetworkEndPoint * pxEndPoint )
+#else
+    void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 {
     static BaseType_t xTasksAlreadyCreated = pdFALSE;
 
@@ -205,7 +210,12 @@ static LONG CALLBACK prvExceptionHandler( _In_ PEXCEPTION_POINTERS ExceptionInfo
 
 #if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
 
-    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+        BaseType_t xApplicationDNSQueryHook_Multi( struct xNetworkEndPoint * pxEndPoint,
+                                                            const char * pcName )
+    #else
+        BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
     {
         BaseType_t xReturn;
 

FreeRTOS-Plus/Test/FreeRTOS-Plus-TCP/Integration/Full-TCP-Suite/Test_Code/Test_Cases/test_tcp.c

@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Secure Sockets V1.1.9
+ * FreeRTOS V202212.00
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
@@ -19,8 +19,9 @@
  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- * https://aws.amazon.com/freertos
  * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
  */
 
 /* Standard includes. */
@@ -515,10 +516,23 @@ static BaseType_t prvNonSecureConnectHelper( Socket_t xSocketLocal,
 
     /* Echo requests are sent to the echo server.  The echo server is
     * listening to tcptestECHO_PORT on this computer's IP address. */
-    pxHostAddress->sin_addr = FreeRTOS_inet_addr_quick( tcptestECHO_SERVER_ADDR0,
+
-                                                        tcptestECHO_SERVER_ADDR1,
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
-                                                        tcptestECHO_SERVER_ADDR2,
+    {
-                                                        tcptestECHO_SERVER_ADDR3 );
+        pxHostAddress->sin_address.ulIP_IPv4 = FreeRTOS_inet_addr_quick( tcptestECHO_SERVER_ADDR0,
+                                                            tcptestECHO_SERVER_ADDR1,
+                                                            tcptestECHO_SERVER_ADDR2,
+                                                            tcptestECHO_SERVER_ADDR3 );
+    }
+    #else
+    {
+        pxHostAddress->sin_addr = FreeRTOS_inet_addr_quick( tcptestECHO_SERVER_ADDR0,
+                                                            tcptestECHO_SERVER_ADDR1,
+                                                            tcptestECHO_SERVER_ADDR2,
+                                                            tcptestECHO_SERVER_ADDR3 );
+    }
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
     pxHostAddress->sin_port = FreeRTOS_htons( tcptestECHO_PORT );
     pxHostAddress->sin_len = sizeof( struct freertos_sockaddr );
     pxHostAddress->sin_family = FREERTOS_AF_INET;
@@ -1815,7 +1829,19 @@ static void prvFreeRTOS_connect_InvalidParams( void )
     /* Echo requests are sent to the echo server.  The echo server is
     * listening to tcptestECHO_PORT on this computer's IP address. */
     xEchoServerAddress.sin_port = FreeRTOS_htons( tcptestECHO_PORT );
-    xEchoServerAddress.sin_addr = ulEchoServerIP;
+
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+    {
+        xEchoServerAddress.sin_address.ulIP_IPv4 = ulEchoServerIP;
+    }
+    #else
+    {
+        xEchoServerAddress.sin_addr = ulEchoServerIP;
+    }
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+    xEchoServerAddress.sin_family = FREERTOS_AF_INET;
+    
 
     /* Invalid socket. */
     xResult = FreeRTOS_connect( FREERTOS_INVALID_SOCKET,
@@ -1833,7 +1859,18 @@ static void prvFreeRTOS_connect_InvalidParams( void )
     xSocket = prvTcpSocketHelper( &xSocketOpen );
     TEST_ASSERT_NOT_EQUAL_MESSAGE( FREERTOS_INVALID_SOCKET, xSocket, "Socket creation failed" );
 
-    xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( 0, 0, 0, 0 );
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+    {
+        xEchoServerAddress.sin_address.ulIP_IPv4 = FreeRTOS_inet_addr_quick( 0, 0, 0, 0 );
+    }
+    #else
+    {
+        xEchoServerAddress.sin_addr = FreeRTOS_inet_addr_quick( 0, 0, 0, 0 );
+    }
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+    xEchoServerAddress.sin_family = FREERTOS_AF_INET;
+    
     xResult = FreeRTOS_connect( xSocket,
                                &xEchoServerAddress,
                                sizeof( xEchoServerAddress ) );
@@ -1850,7 +1887,19 @@ static void prvFreeRTOS_connect_InvalidParams( void )
     TEST_ASSERT_NOT_EQUAL_MESSAGE( FREERTOS_INVALID_SOCKET, xSocket, "Socket creation failed" );
 
     xEchoServerAddress.sin_port = FreeRTOS_htons( 0 );
-    xEchoServerAddress.sin_addr = ulEchoServerIP;
+
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+    {
+        xEchoServerAddress.sin_address.ulIP_IPv4 = ulEchoServerIP;
+    }
+    #else
+    {
+        xEchoServerAddress.sin_addr = ulEchoServerIP;
+    }
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
+
+    xEchoServerAddress.sin_family = FREERTOS_AF_INET;
+    
     xResult = FreeRTOS_connect( xSocket,
                                &xEchoServerAddress,
                                sizeof( xEchoServerAddress ) );

FreeRTOS-Plus/Test/FreeRTOS-Plus-TCP/Integration/Full-TCP-Suite/main.c

@@ -1,5 +1,5 @@
 /*
- * FreeRTOS
+ * FreeRTOS V202212.00
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
@@ -19,10 +19,10 @@
  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- * https://aws.amazon.com/freertos
  * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
  */
-
 /**
  * @file main.c
  * @brief Implements the main function.
@@ -160,7 +160,12 @@ int main( void )
 }
 /*-----------------------------------------------------------*/
 
-void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+    void vApplicationIPNetworkEventHook_Multi( eIPCallbackEvent_t eNetworkEvent,
+                                                   struct xNetworkEndPoint * pxEndPoint )
+#else
+    void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 {
     static BaseType_t xTasksAlreadyCreated = pdFALSE;
 
@@ -207,7 +212,12 @@ static LONG CALLBACK prvExceptionHandler( _In_ PEXCEPTION_POINTERS ExceptionInfo
 
 #if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
 
-    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+        BaseType_t xApplicationDNSQueryHook_Multi( struct xNetworkEndPoint * pxEndPoint,
+                                                            const char * pcName )
+    #else
+        BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
     {
         BaseType_t xReturn;
 

FreeRTOS-Plus/VisualStudio_StaticProjects/FreeRTOS+TCP/FreeRTOS+TCP.vcxproj

@@ -1,263 +1,297 @@
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+<?xml version="1.0" encoding="utf-8"?>
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+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup Label="ProjectConfigurations">
+  <ItemGroup Label="ProjectConfigurations">
-    <ProjectConfiguration Include="Debug|Win32">
+    <ProjectConfiguration Include="Debug|Win32">
-      <Configuration>Debug</Configuration>
+      <Configuration>Debug</Configuration>
-      <Platform>Win32</Platform>
+      <Platform>Win32</Platform>
-    </ProjectConfiguration>
+    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|Win32">
+    <ProjectConfiguration Include="Release|Win32">
-      <Configuration>Release</Configuration>
+      <Configuration>Release</Configuration>
-      <Platform>Win32</Platform>
+      <Platform>Win32</Platform>
-    </ProjectConfiguration>
+    </ProjectConfiguration>
-    <ProjectConfiguration Include="Debug|x64">
+    <ProjectConfiguration Include="Debug|x64">
-      <Configuration>Debug</Configuration>
+      <Configuration>Debug</Configuration>
-      <Platform>x64</Platform>
+      <Platform>x64</Platform>
-    </ProjectConfiguration>
+    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|x64">
+    <ProjectConfiguration Include="Release|x64">
-      <Configuration>Release</Configuration>
+      <Configuration>Release</Configuration>
-      <Platform>x64</Platform>
+      <Platform>x64</Platform>
-    </ProjectConfiguration>
+    </ProjectConfiguration>
-  </ItemGroup>
+  </ItemGroup>
-  <PropertyGroup Label="Globals">
+  <PropertyGroup Label="Globals">
-    <VCProjectVersion>17.0</VCProjectVersion>
+    <VCProjectVersion>17.0</VCProjectVersion>
-    <ProjectGuid>{C90E6CC5-818B-4C97-8876-0986D989387C}</ProjectGuid>
+    <ProjectGuid>{C90E6CC5-818B-4C97-8876-0986D989387C}</ProjectGuid>
-    <Keyword>Win32Proj</Keyword>
+    <Keyword>Win32Proj</Keyword>
-    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
-    <RootNamespace>FreeRTOS_TCP</RootNamespace>
+    <RootNamespace>FreeRTOS_TCP</RootNamespace>
-  </PropertyGroup>
+  </PropertyGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
-    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <ConfigurationType>StaticLibrary</ConfigurationType>
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+    <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v142</PlatformToolset>
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-      <Filter>winpcap\include</Filter>
+      <Filter>include</Filter>
-    </ClInclude>
+    </ClInclude>
-    <ClInclude Include="FreeRTOSIPConfig.h" />
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_UDP_IP.h">
-    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap\pcap.h">
+      <Filter>include</Filter>
-      <Filter>winpcap\include\pcap</Filter>
+    </ClInclude>
-    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_TCP_Utils.h">
-    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap\namedb.h">
+      <Filter>include</Filter>
-      <Filter>winpcap\include\pcap</Filter>
+    </ClInclude>
-    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\IPTraceMacroDefaults.h">
-    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap\bpf.h">
+      <Filter>include</Filter>
-      <Filter>winpcap\include\pcap</Filter>
+    </ClInclude>
-    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_DNS_Parser.h">
-    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap\bluetooth.h">
+      <Filter>include</Filter>
-      <Filter>winpcap\include\pcap</Filter>
+    </ClInclude>
-    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\tools\tcp_utilities\include\tcp_dump_packets.h">
-  </ItemGroup>
+      <Filter>tcp_utilities\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\tools\tcp_utilities\include\tcp_netstat.h">
+      <Filter>tcp_utilities\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\tools\tcp_utilities\include\tcp_mem_stats.h">
+      <Filter>tcp_utilities\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\portable\Compiler\MSVC\pack_struct_end.h">
+      <Filter>compiler_msvc</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\portable\Compiler\MSVC\pack_struct_start.h">
+      <Filter>compiler_msvc</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap\sll.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap\usb.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap\vlan.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap-bpf.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap-namedb.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\remote-ext.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\bittypes.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\ip6_misc.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\Win32-Extensions.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\Packet32.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap-stdinc.h">
+      <Filter>winpcap\include</Filter>
+    </ClInclude>
+    <ClInclude Include="FreeRTOSIPConfig.h" />
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap\pcap.h">
+      <Filter>winpcap\include\pcap</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap\namedb.h">
+      <Filter>winpcap\include\pcap</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap\bpf.h">
+      <Filter>winpcap\include\pcap</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\ThirdParty\winpcap\include\pcap\bluetooth.h">
+      <Filter>winpcap\include\pcap</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_BitConfig.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_DHCPv6.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IP_Common.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv4.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv4_Private.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv4_Sockets.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv4_Utils.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv6.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv6_Private.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv6_Sockets.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_IPv6_Utils.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_ND.h">
+      <Filter>include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Source\FreeRTOS-Plus-TCP\source\include\FreeRTOS_Routing.h">
+      <Filter>include</Filter>
+    </ClInclude>
+  </ItemGroup>
 </Project>

FreeRTOS-Plus/VisualStudio_StaticProjects/FreeRTOS+TCP/NetworkInterface_WinPCap.c

@@ -39,15 +39,14 @@
 #include "FreeRTOS_IP.h"
 #include "FreeRTOS_IP_Private.h"
 #include "NetworkBufferManagement.h"
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#include "FreeRTOS_Routing.h"
-    #include "FreeRTOS_Routing.h"
-#endif
 
 /* Thread-safe circular buffers are being used to pass data to and from the PCAP
  * access functions. */
 #include "Win32-Extensions.h"
 #include "FreeRTOS_Stream_Buffer.h"
 
+
 /* Sizes of the thread safe circular buffers used to pass data to and from the
  * WinPCAP Windows threads. */
 #define xSEND_BUFFER_SIZE    32768
@@ -74,6 +73,11 @@
 DWORD WINAPI prvWinPcapRecvThread( void * pvParam );
 DWORD WINAPI prvWinPcapSendThread( void * pvParam );
 
+/*
+ * A pointer to the network interface is needed later when receiving packets.
+ */
+static NetworkInterface_t * pxMyInterface;
+
 /*
  * Print out a numbered list of network interfaces that are available on the
  * host computer.
@@ -84,14 +88,17 @@ static pcap_if_t * prvPrintAvailableNetworkInterfaces( void );
  * Open the network interface.  The number of the interface to be opened is set
  * by the configNETWORK_INTERFACE_TO_USE constant in FreeRTOSConfig.h.
  */
-static void prvOpenSelectedNetworkInterface( pcap_if_t * pxAllNetworkInterfaces );
+static void prvOpenSelectedNetworkInterface( pcap_if_t * pxAllNetworkInterfaces,
-static int prvOpenInterface( const char * pucName );
+                                             const NetworkInterface_t * pxInterface );
+
+static int prvOpenInterface( const char * pucName,
+                             const NetworkInterface_t * pxInterface );
 
 /*
  * Configure the capture filter to allow blocking reads, and to filter out
  * packets that are not of interest to this demo.
  */
-static void prvConfigureCaptureBehaviour( void );
+static void prvConfigureCaptureBehaviour( const NetworkInterface_t * pxInterface );
 
 /*
  * A function that simulates Ethernet interrupts by periodically polling the
@@ -126,6 +133,13 @@ static const char * prvRemoveSpaces( char * pcBuffer,
                                      int aBuflen,
                                      const char * pcMessage );
 
+/*
+ * This function will return pdTRUE if the packet is targeted at
+ * the MAC address of this device, in other words when is was bounced-
+ * back by the WinPCap interface.
+ */
+static BaseType_t xPacketBouncedBack( const uint8_t * pucBuffer );
+
 /*-----------------------------------------------------------*/
 
 /* Required by the WinPCap library. */
@@ -153,35 +167,26 @@ static StreamBuffer_t * xRecvBuffer = NULL;
 /* Logs the number of WinPCAP send failures, for viewing in the debugger only. */
 static volatile uint32_t ulWinPCAPSendFailures = 0;
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+/*-----------------------------------------------------------*/
-/*
- * A pointer to the network interface is needed later when receiving packets.
- */
-    static NetworkInterface_t * pxMyInterface;
 
-    extern NetworkEndPoint_t * pxGetEndpoint( BaseType_t xIPType );
+static BaseType_t xWinPcap_NetworkInterfaceInitialise( NetworkInterface_t * pxInterface );
+static BaseType_t xWinPcap_NetworkInterfaceOutput( NetworkInterface_t * pxInterface,
+                                                   NetworkBufferDescriptor_t * const pxNetworkBuffer,
+                                                   BaseType_t bReleaseAfterSend );
+static BaseType_t xWinPcap_GetPhyLinkStatus( NetworkInterface_t * pxInterface );
 
-    static BaseType_t xWinPcap_NetworkInterfaceInitialise( NetworkInterface_t * pxInterface );
+NetworkInterface_t * pxWinPcap_FillInterfaceDescriptor( BaseType_t xEMACIndex,
-    static BaseType_t xWinPcap_NetworkInterfaceOutput( NetworkInterface_t * pxInterface,
+                                                        NetworkInterface_t * pxInterface );
-                                                       NetworkBufferDescriptor_t * const pxNetworkBuffer,
-                                                       BaseType_t bReleaseAfterSend );
-    static BaseType_t xWinPcap_GetPhyLinkStatus( NetworkInterface_t * pxInterface );
-
-    NetworkInterface_t * pxWinPcap_FillInterfaceDescriptor( BaseType_t xEMACIndex,
-                                                            NetworkInterface_t * pxInterface );
-#endif
 
 /*-----------------------------------------------------------*/
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+static BaseType_t xWinPcap_NetworkInterfaceInitialise( NetworkInterface_t * pxInterface )
-    static BaseType_t xWinPcap_NetworkInterfaceInitialise( NetworkInterface_t * pxInterface )
-#else
-    BaseType_t xNetworkInterfaceInitialise( void )
-#endif
 {
     BaseType_t xReturn = pdFALSE;
     pcap_if_t * pxAllNetworkInterfaces;
 
+    ( void ) pxInterface;
+
     /* Query the computer the simulation is being executed on to find the
      * network interfaces it has installed. */
     pxAllNetworkInterfaces = prvPrintAvailableNetworkInterfaces();
@@ -193,7 +198,7 @@ static volatile uint32_t ulWinPCAPSendFailures = 0;
      * the interface could not be opened. */
     if( pxAllNetworkInterfaces != NULL )
     {
-        prvOpenSelectedNetworkInterface( pxAllNetworkInterfaces );
+        prvOpenSelectedNetworkInterface( pxAllNetworkInterfaces, pxInterface );
     }
 
     if( pxOpenedInterfaceHandle != NULL )
@@ -227,7 +232,6 @@ static void prvCreateThreadSafeBuffers( void )
         xRecvBuffer->LENGTH = xRECV_BUFFER_SIZE + 1;
     }
 }
-
 /*-----------------------------------------------------------*/
 
 static size_t prvStreamBufferAdd( StreamBuffer_t * pxBuffer,
@@ -282,17 +286,14 @@ static size_t prvStreamBufferAdd( StreamBuffer_t * pxBuffer,
 
 /*-----------------------------------------------------------*/
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+static BaseType_t xWinPcap_NetworkInterfaceOutput( NetworkInterface_t * pxInterface,
-    static BaseType_t xWinPcap_NetworkInterfaceOutput( NetworkInterface_t * pxInterface,
+                                                   NetworkBufferDescriptor_t * const pxNetworkBuffer,
-                                                       NetworkBufferDescriptor_t * const pxNetworkBuffer,
+                                                   BaseType_t bReleaseAfterSend )
-                                                       BaseType_t bReleaseAfterSend )
-#else
-    BaseType_t xNetworkInterfaceOutput( NetworkBufferDescriptor_t * const pxNetworkBuffer,
-                                        BaseType_t bReleaseAfterSend )
-#endif
 {
     size_t xSpace;
 
+    ( void ) pxInterface;
+
     iptraceNETWORK_INTERFACE_TRANSMIT();
     configASSERT( xIsCallingFromIPTask() == pdTRUE );
 
@@ -329,49 +330,100 @@ static size_t prvStreamBufferAdd( StreamBuffer_t * pxBuffer,
 }
 /*-----------------------------------------------------------*/
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+static BaseType_t xWinPcap_GetPhyLinkStatus( NetworkInterface_t * pxInterface )
+{
+    BaseType_t xResult = pdFALSE;
 
-    static BaseType_t xWinPcap_GetPhyLinkStatus( NetworkInterface_t * pxInterface )
+    ( void ) pxInterface;
+
+    if( pxOpenedInterfaceHandle != NULL )
     {
-        BaseType_t xResult = pdFALSE;
+        xResult = pdTRUE;
+    }
 
-        ( void ) pxInterface;
+    return xResult;
+}
+/*-----------------------------------------------------------*/
 
-        if( pxOpenedInterfaceHandle != NULL )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 1 )
+
+
+/* Do not call the following function directly. It is there for downward compatibility.
+ * The function FreeRTOS_IPInit() will call it to initialise the interface and end-point
+ * objects.  See the description in FreeRTOS_Routing.h. */
+    NetworkInterface_t * pxFillInterfaceDescriptor( BaseType_t xEMACIndex,
+                                                    NetworkInterface_t * pxInterface )
+    {
+        pxWinPcap_FillInterfaceDescriptor( xEMACIndex, pxInterface );
+    }
+
+#endif
+/*-----------------------------------------------------------*/
+
+NetworkInterface_t * pxWinPcap_FillInterfaceDescriptor( BaseType_t xEMACIndex,
+                                                        NetworkInterface_t * pxInterface )
+{
+    static char pcName[ 17 ];
+
+    /* This function pxWinPcap_FillInterfaceDescriptor() adds a network-interface.
+     * Make sure that the object pointed to by 'pxInterface'
+     * is declared static or global, and that it will remain to exist. */
+
+    pxMyInterface = pxInterface;
+
+    snprintf( pcName, sizeof( pcName ), "eth%ld", xEMACIndex );
+
+    memset( pxInterface, '\0', sizeof( *pxInterface ) );
+    pxInterface->pcName = pcName;                    /* Just for logging, debugging. */
+    pxInterface->pvArgument = ( void * ) xEMACIndex; /* Has only meaning for the driver functions. */
+    pxInterface->pfInitialise = xWinPcap_NetworkInterfaceInitialise;
+    pxInterface->pfOutput = xWinPcap_NetworkInterfaceOutput;
+    pxInterface->pfGetPhyLinkStatus = xWinPcap_GetPhyLinkStatus;
+
+    FreeRTOS_AddNetworkInterface( pxInterface );
+
+    return pxInterface;
+}
+/*-----------------------------------------------------------*/
+
+#ifdef configNETWORK_INTERFACE_TYPE_TO_USE
+
+/* In earlier versions of this network interface,
+ * `configNETWORK_INTERFACE_TO_USE` indicated the interface
+ * sequence number to be used. On some laptops with dynamic
+ * adapters, the numbering of interfaces changes all the time.
+ * The new macro 'configNETWORK_INTERFACE_TYPE_TO_USE' can be
+ * used to define the name of the interface to use, e.g. "Realtek"
+ * Note that a sort of strcasestr() is used to find a match between
+ * an interface name and e.g. "Realtek".
+ */
+    static BaseType_t xDesiredAdapter( const char * pcDescription )
+    {
+        size_t uxIndex;
+        size_t uxLength;
+        size_t uxKeyLength = strlen( configNETWORK_INTERFACE_TYPE_TO_USE );
+        BaseType_t xMatchFound = pdFALSE;
+
+        if( ( pcDescription != NULL ) && ( pcDescription[ 0 ] != 0 ) )
         {
-            xResult = pdTRUE;
+            uxLength = strlen( pcDescription );
+
+            if( uxKeyLength <= uxLength )
+            {
+                for( uxIndex = 0U; ( uxIndex <= uxLength - uxKeyLength ) && ( xMatchFound == 0 ); uxIndex++ )
+                {
+                    if( strncasecmp( configNETWORK_INTERFACE_TYPE_TO_USE, &( pcDescription[ uxIndex ] ), uxKeyLength ) == 0 )
+                    {
+                        xMatchFound = pdTRUE;
+                        break;
+                    }
+                }
+            }
         }
 
-        return xResult;
+        return xMatchFound;
     }
-
+#endif /* ifdef configNETWORK_INTERFACE_TYPE_TO_USE */
-    /*-----------------------------------------------------------*/
-
-    NetworkInterface_t * pxWinPcap_FillInterfaceDescriptor( BaseType_t xEMACIndex,
-                                                            NetworkInterface_t * pxInterface )
-    {
-        static char pcName[ 17 ];
-
-        /* This function pxWinPcap_FillInterfaceDescriptor() adds a network-interface.
-         * Make sure that the object pointed to by 'pxInterface'
-         * is declared static or global, and that it will continue to exist. */
-
-        pxMyInterface = pxInterface;
-
-        snprintf( pcName, sizeof( pcName ), "eth%ld", xEMACIndex );
-
-        memset( pxInterface, '\0', sizeof( *pxInterface ) );
-        pxInterface->pcName = pcName;                    /* Just for logging, debugging. */
-        pxInterface->pvArgument = ( void * ) xEMACIndex; /* Has only meaning for the driver functions. */
-        pxInterface->pfInitialise = xWinPcap_NetworkInterfaceInitialise;
-        pxInterface->pfOutput = xWinPcap_NetworkInterfaceOutput;
-        pxInterface->pfGetPhyLinkStatus = xWinPcap_GetPhyLinkStatus;
-
-        FreeRTOS_AddNetworkInterface( pxInterface );
-
-        return pxInterface;
-    }
-#endif
 /*-----------------------------------------------------------*/
 
 static pcap_if_t * prvPrintAvailableNetworkInterfaces( void )
@@ -405,6 +457,18 @@ static pcap_if_t * prvPrintAvailableNetworkInterfaces( void )
                 printf( "Interface %d - %s\n", lInterfaceNumber, prvRemoveSpaces( cBuffer, sizeof( cBuffer ), xInterface->name ) );
                 printf( "              (%s)\n", prvRemoveSpaces( cBuffer, sizeof( cBuffer ), xInterface->description ? xInterface->description : "No description" ) );
                 printf( "\n" );
+                #ifdef configNETWORK_INTERFACE_TYPE_TO_USE
+                    {
+                        if( xInterface->description != NULL )
+                        {
+                            if( xDesiredAdapter( xInterface->description ) )
+                            {
+                                printf( "The description of adapter %d matches with '%s'\n", lInterfaceNumber, configNETWORK_INTERFACE_TYPE_TO_USE );
+                                xConfigNetworkInterfaceToUse = lInterfaceNumber;
+                            }
+                        }
+                    }
+                #endif /* ifdef configNETWORK_INTERFACE_TYPE_TO_USE */
                 lInterfaceNumber++;
             }
         }
@@ -445,7 +509,8 @@ static pcap_if_t * prvPrintAvailableNetworkInterfaces( void )
 }
 /*-----------------------------------------------------------*/
 
-static int prvOpenInterface( const char * pucName )
+static int prvOpenInterface( const char * pucName,
+                             const NetworkInterface_t * pxInterface )
 {
     static char pucInterfaceName[ 256 ];
 
@@ -477,28 +542,29 @@ static int prvOpenInterface( const char * pucName )
     {
         /* Configure the capture filter to allow blocking reads, and to filter
          * out packets that are not of interest to this demo. */
-        prvConfigureCaptureBehaviour();
+        prvConfigureCaptureBehaviour( pxInterface );
     }
 
     return 0;
 }
 /*-----------------------------------------------------------*/
 
-static void prvOpenSelectedNetworkInterface( pcap_if_t * pxAllNetworkInterfaces )
+static void prvOpenSelectedNetworkInterface( pcap_if_t * pxAllNetworkInterfaces,
+                                             const NetworkInterface_t * pxInterface )
 {
-    pcap_if_t * pxInterface;
+    pcap_if_t * pxPCAPInterface;
     int32_t x;
 
     /* Walk the list of devices until the selected device is located. */
-    pxInterface = pxAllNetworkInterfaces;
+    pxPCAPInterface = pxAllNetworkInterfaces;
 
     for( x = 0L; x < ( xConfigNetworkInterfaceToUse - 1L ); x++ )
     {
-        pxInterface = pxInterface->next;
+        pxPCAPInterface = pxPCAPInterface->next;
     }
 
     /* Open the selected interface. */
-    if( prvOpenInterface( pxInterface->name ) == 0 )
+    if( prvOpenInterface( pxPCAPInterface->name, pxInterface ) == 0 )
     {
         printf( "Successfully opened interface number %d.\n", x + 1 );
     }
@@ -512,16 +578,26 @@ static void prvOpenSelectedNetworkInterface( pcap_if_t * pxAllNetworkInterfaces
 }
 /*-----------------------------------------------------------*/
 
-static void prvConfigureCaptureBehaviour( void )
+static void prvConfigureCaptureBehaviour( const NetworkInterface_t * pxInterface )
 {
     struct bpf_program xFilterCode;
     uint32_t ulNetMask;
+    const uint8_t * pucMAC;
+    NetworkEndPoint_t * pxEndPoint;
+
+    /* Find the MAC address of the very first end-point. */
+    pxEndPoint = FreeRTOS_FirstEndPoint( pxInterface );
+
+    /* Make sure that at least one end-point is defined. */
+    configASSERT( pxEndPoint != NULL );
+
+    pucMAC = pxEndPoint->xMACAddress.ucBytes;
 
     /* Set up a filter so only the packets of interest are passed to the IP
      * stack.  cErrorBuffer is used for convenience to create the string.  Don't
      * confuse this with an error message. */
-    sprintf( cErrorBuffer, "broadcast or multicast or ether host %x:%x:%x:%x:%x:%x",
+    snprintf( cErrorBuffer, sizeof( cErrorBuffer ), "broadcast or multicast or ether host %x:%x:%x:%x:%x:%x",
-             ipLOCAL_MAC_ADDRESS[ 0 ], ipLOCAL_MAC_ADDRESS[ 1 ], ipLOCAL_MAC_ADDRESS[ 2 ], ipLOCAL_MAC_ADDRESS[ 3 ], ipLOCAL_MAC_ADDRESS[ 4 ], ipLOCAL_MAC_ADDRESS[ 5 ] );
+              pucMAC[ 0 ], pucMAC[ 1 ], pucMAC[ 2 ], pucMAC[ 3 ], pucMAC[ 4 ], pucMAC[ 5 ] );
 
     ulNetMask = ( configNET_MASK3 << 24UL ) | ( configNET_MASK2 << 16UL ) | ( configNET_MASK1 << 8L ) | configNET_MASK0;
 
@@ -668,69 +744,42 @@ DWORD WINAPI prvWinPcapSendThread( void * pvParam )
 }
 /*-----------------------------------------------------------*/
 
-#if defined  ( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+static BaseType_t xPacketBouncedBack( const uint8_t * pucBuffer )
+{
+    static BaseType_t xHasWarned = pdFALSE;
+    EthernetHeader_t * pxEtherHeader;
+    NetworkEndPoint_t * pxEndPoint;
+    BaseType_t xResult = pdFALSE;
 
-    static BaseType_t xPacketBouncedBack( const uint8_t * pucBuffer )
+    pxEtherHeader = ( EthernetHeader_t * ) pucBuffer;
+
+    /* Sometimes, packets are bounced back by the driver and we need not process them. Check
+     * whether this packet is one such packet. */
+    for( pxEndPoint = FreeRTOS_FirstEndPoint( NULL );
+         pxEndPoint != NULL;
+         pxEndPoint = FreeRTOS_NextEndPoint( NULL, pxEndPoint ) )
     {
-        static BaseType_t xHasWarned = pdFALSE;
+        if( memcmp( pxEndPoint->xMACAddress.ucBytes, pxEtherHeader->xSourceAddress.ucBytes, ipMAC_ADDRESS_LENGTH_BYTES ) == 0 )
-        EthernetHeader_t * pxEtherHeader;
-        NetworkEndPoint_t * pxEndPoint;
-        BaseType_t xResult = pdFALSE;
-
-        pxEtherHeader = ( EthernetHeader_t * ) pucBuffer;
-
-        /* Sometimes, packets are bounced back by the driver and we need not process them. Check
-         * whether this packet is one such packet. */
-        for( pxEndPoint = FreeRTOS_FirstEndPoint( NULL );
-             pxEndPoint != NULL;
-             pxEndPoint = FreeRTOS_NextEndPoint( NULL, pxEndPoint ) )
         {
-            if( memcmp( pxEndPoint->xMACAddress.ucBytes, pxEtherHeader->xSourceAddress.ucBytes, ipMAC_ADDRESS_LENGTH_BYTES ) == 0 )
+            if( xHasWarned == pdFALSE )
             {
-                if( xHasWarned == pdFALSE )
+                xHasWarned = pdTRUE;
-                {
+                FreeRTOS_printf( ( "Bounced back by WinPCAP interface: %02x:%02x:%02x:%02x:%02x:%02x\n",
-                    xHasWarned = pdTRUE;
+                                   pxEndPoint->xMACAddress.ucBytes[ 0 ],
-                    FreeRTOS_printf( ( "Bounced back by WinPCAP interface: %02x:%02x:%02x:%02x:%02x:%02x\n",
+                                   pxEndPoint->xMACAddress.ucBytes[ 1 ],
-                                        pxEndPoint->xMACAddress.ucBytes[ 0 ],
+                                   pxEndPoint->xMACAddress.ucBytes[ 2 ],
-                                        pxEndPoint->xMACAddress.ucBytes[ 1 ],
+                                   pxEndPoint->xMACAddress.ucBytes[ 3 ],
-                                        pxEndPoint->xMACAddress.ucBytes[ 2 ],
+                                   pxEndPoint->xMACAddress.ucBytes[ 4 ],
-                                        pxEndPoint->xMACAddress.ucBytes[ 3 ],
+                                   pxEndPoint->xMACAddress.ucBytes[ 5 ] ) );
-                                        pxEndPoint->xMACAddress.ucBytes[ 4 ],
-                                        pxEndPoint->xMACAddress.ucBytes[ 5 ] ) );
-                }
-
-                xResult = pdTRUE;
-                break;
             }
-        }
 
-        return xResult;
-    }
-
-#else
-
-    static BaseType_t xPacketBouncedBack( const uint8_t * pucBuffer )
-    {
-        EthernetHeader_t * pxEtherHeader;
-        BaseType_t xResult = pdFALSE;
-
-        pxEtherHeader = ( EthernetHeader_t * ) pucBuffer;
-
-        /* Sometimes, packets are bounced back by the driver and we need not process them. Check
-        * whether this packet is one such packet. */
-        if( memcmp( ipLOCAL_MAC_ADDRESS, pxEtherHeader->xSourceAddress.ucBytes, ipMAC_ADDRESS_LENGTH_BYTES ) == 0 )
-        {
             xResult = pdTRUE;
+            break;
         }
-        else
-        {
-            xResult = pdFALSE;
-        }
-
-        return xResult;
     }
 
-#endif
+    return xResult;
+}
 /*-----------------------------------------------------------*/
 
 static void prvInterruptSimulatorTask( void * pvParameters )
@@ -775,12 +824,14 @@ static void prvInterruptSimulatorTask( void * pvParameters )
                 /* Will the data fit into the frame buffer? */
                 if( pxHeader->len <= ipTOTAL_ETHERNET_FRAME_SIZE )
                 {
+                    BaseType_t xBounced = xPacketBouncedBack( pucPacketData );
+
                     /* Obtain a buffer into which the data can be placed.  This
                      * is only	an interrupt simulator, not a real interrupt, so it
                      * is ok to call the task level function here, but note that
                      * some buffer implementations cannot be called from a real
                      * interrupt. */
-                    if( xPacketBouncedBack( pucPacketData ) == pdFALSE )
+                    if( xBounced == pdFALSE )
                     {
                         pxNetworkBuffer = pxGetNetworkBufferWithDescriptor( pxHeader->len, 0 );
                     }
@@ -803,131 +854,32 @@ static void prvInterruptSimulatorTask( void * pvParameters )
                         if( pxNetworkBuffer != NULL )
                         {
                             xRxEvent.pvData = ( void * ) pxNetworkBuffer;
-                        #if defined ( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+
                             pxNetworkBuffer->pxInterface = pxMyInterface;
                             pxNetworkBuffer->pxEndPoint = FreeRTOS_MatchingEndpoint( pxMyInterface, pxNetworkBuffer->pucEthernetBuffer );
 
+                            /* Just for now, make sure that there is a valid end-point. */
+                            if( pxNetworkBuffer->pxEndPoint == NULL )
                             {
-                                char pcDescription[ 129 ] = "unknown";
+                                FreeRTOS_printf( ( "Network interface: dropped packet\n" ) );
-                                const EthernetHeader_t * pxEthernetHeader = ( ( const EthernetHeader_t * ) pxNetworkBuffer->pucEthernetBuffer );
+                                vReleaseNetworkBufferAndDescriptor( BUFFER_FROM_WHERE_CALL( 153 ) pxNetworkBuffer );
-                                uint8_t ucType = ipTYPE_IPv4;
-
-                                switch( pxEthernetHeader->usFrameType )
-                                {
-                                    case ipARP_FRAME_TYPE:
-                                       {
-                                           const ProtocolPacket_t * pxPacket = ( ( const ProtocolPacket_t * ) pxNetworkBuffer->pucEthernetBuffer );
-                                           snprintf( pcDescription, sizeof pcDescription, "ARP frame for %xip",
-                                                     FreeRTOS_ntohl( pxPacket->xARPPacket.xARPHeader.ulTargetProtocolAddress ) );
-                                       }
-                                       break;
-
-                                    case ipPROTOCOL_ICMP:
-                                        snprintf( pcDescription, sizeof pcDescription, "ICMP frame" );
-                                        break;
-
-                                    case ipIPv4_FRAME_TYPE:
-                                       {
-                                           const IPPacket_t * pxIPPacket;
-                                           uint8_t ucProtocol;
-                                           pxIPPacket = ( const IPPacket_t * ) pxNetworkBuffer->pucEthernetBuffer;
-                                           ucProtocol = pxIPPacket->xIPHeader.ucProtocol;
-
-                                           if( ucProtocol == ( uint8_t ) ipPROTOCOL_TCP )
-                                           {
-                                               const ProtocolHeaders_t * pxProtocolHeaders = ( ( const ProtocolHeaders_t * )
-                                                                                               &( pxNetworkBuffer->pucEthernetBuffer[ ipSIZE_OF_ETH_HEADER + uxIPHeaderSizePacket( pxNetworkBuffer ) ] ) );
-                                               uint32_t ulLocalIP, ulRemoteIP;
-                                               uint16_t usLocalPort = FreeRTOS_htons( pxProtocolHeaders->xTCPHeader.usDestinationPort );
-                                               uint16_t usRemotePort = FreeRTOS_htons( pxProtocolHeaders->xTCPHeader.usSourcePort );
-                                               const IPHeader_t * pxIPHeader;
-                                               pxIPHeader = ( ( const IPHeader_t * ) &( pxNetworkBuffer->pucEthernetBuffer[ ipSIZE_OF_ETH_HEADER ] ) );
-                                               ulLocalIP = FreeRTOS_htonl( pxIPHeader->ulDestinationIPAddress );
-                                               ulRemoteIP = FreeRTOS_htonl( pxIPHeader->ulSourceIPAddress );
-
-                                               snprintf( pcDescription, sizeof pcDescription, "TCP v4 packet %xip port%u to %xip: port %u",
-                                                         ulRemoteIP, usRemotePort, ulLocalIP, usLocalPort );
-                                           }
-                                           else if( ucProtocol == ( uint8_t ) ipPROTOCOL_UDP )
-                                           {
-                                               snprintf( pcDescription, sizeof pcDescription, "UDP v4 packet" );
-                                               const UDPPacket_t * pxUDPPacket = ( ( UDPPacket_t * ) pxNetworkBuffer->pucEthernetBuffer );
-
-                                               if( pxUDPPacket->xIPHeader.ulSourceIPAddress == 0x642c6276U )
-                                               {
-                                                   FreeRTOS_printf( ( "Received UDP packet from %xip\n",
-                                                                      ( unsigned ) ( FreeRTOS_htonl( pxUDPPacket->xIPHeader.ulSourceIPAddress ) ) ) );
-                                               }
-                                           }
-                                           else
-                                           {
-                                               snprintf( pcDescription, sizeof pcDescription, "v4 packet protocol %02X", ucProtocol );
-                                           }
-                                       }
-                                       break;
-
-                                    case ipIPv6_FRAME_TYPE:
-                                       {
-                                           const IPHeader_IPv6_t * pxIPHeader_IPv6;
-                                           uint8_t ucProtocol;
-
-                                           ucType = ipTYPE_IPv6;
-                                           pxIPHeader_IPv6 = ( const IPHeader_IPv6_t * ) &( pxNetworkBuffer->pucEthernetBuffer[ ipSIZE_OF_ETH_HEADER ] );
-
-                                           ucProtocol = pxIPHeader_IPv6->ucNextHeader;
-
-                                           if( ucProtocol == ( uint8_t ) ipPROTOCOL_TCP )
-                                           {
-                                               snprintf( pcDescription, sizeof pcDescription, "TCP v6 packet" );
-                                           }
-                                           else if( ucProtocol == ( uint8_t ) ipPROTOCOL_UDP )
-                                           {
-                                               snprintf( pcDescription, sizeof pcDescription, "UDP v6 packet" );
-                                           }
-                                           else if( ucProtocol == ( uint8_t ) ipPROTOCOL_ICMP_IPv6 )
-                                           {
-                                               snprintf( pcDescription, sizeof pcDescription, "ICMP v6 packet" );
-                                           }
-                                           else
-                                           {
-                                               snprintf( pcDescription, sizeof pcDescription, "v6 packet protocol %02X", ucProtocol );
-                                           }
-                                       }
-                                       break;
-
-                                    default:
-                                        snprintf( pcDescription, sizeof pcDescription, "Unknown frame %04x", pxEthernetHeader->usFrameType );
-                                        break;
-                                }
-
-                                if( pxNetworkBuffer->pxEndPoint == NULL )
-                                {
-                                    pxNetworkBuffer->pxEndPoint = pxGetEndpoint( ucType );
-
-                                    if( strncasecmp( "ARP", pcDescription, 3 ) != 0 )
-                                    {
-                                        FreeRTOS_printf( ( "No end-point for \"%s\". Using 0x%p type IPv%d\n",
-                                                           pcDescription,
-                                                           pxNetworkBuffer->pxEndPoint,
-                                                           ucType == ipTYPE_IPv6 ? 6 : 4 ) );
-                                    }
-                                }
                             }
-                        #endif
+                            else
-
-                            /* Data was received and stored.  Send a message to
-                             * the IP task to let it know. */
-                            if( xSendEventStructToIPTask( &xRxEvent, ( TickType_t ) 0 ) == pdFAIL )
                             {
-                                /* The buffer could not be sent to the stack so
+                                /* Data was received and stored.  Send a message to
-                                 * must be released again.  This is only an
+                                 * the IP task to let it know. */
-                                 * interrupt simulator, not a real interrupt, so it
+                                if( xSendEventStructToIPTask( &xRxEvent, ( TickType_t ) 0 ) == pdFAIL )
-                                 * is ok to use the task level function here, but
+                                {
-                                 * note no all buffer implementations will allow
+                                    /* The buffer could not be sent to the stack so
-                                 * this function to be executed from a real
+                                     * must be released again.  This is only an
-                                 * interrupt. */
+                                     * interrupt simulator, not a real interrupt, so it
-                                vReleaseNetworkBufferAndDescriptor( pxNetworkBuffer );
+                                     * is ok to use the task level function here, but
-                                iptraceETHERNET_RX_EVENT_LOST();
+                                     * note no all buffer implementations will allow
+                                     * this function to be executed from a real
+                                     * interrupt. */
+                                    vReleaseNetworkBufferAndDescriptor( pxNetworkBuffer );
+                                    iptraceETHERNET_RX_EVENT_LOST();
+                                }
                             }
                         }
                         else
@@ -1026,4 +978,3 @@ void vNetworkInterfaceAllocateRAMToBuffers( NetworkBufferDescriptor_t pxNetworkB
         }
     }
 }
-/*-----------------------------------------------------------*/

FreeRTOS-Plus/VisualStudio_StaticProjects/FreeRTOS+TCP/plus_tcp_hooks_winsim.c

@@ -37,7 +37,7 @@
 
 /*-----------------------------------------------------------*/
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
 
     /* In case multiple interfaces are used, define them statically. */
 
@@ -47,7 +47,7 @@
     /* It will have several end-points. */
     static NetworkEndPoint_t xEndPoints[ 4 ];
 
-#endif /* if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
+#endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
 /*-----------------------------------------------------------*/
 
@@ -67,7 +67,12 @@
 
 #if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
 
-    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+        BaseType_t xApplicationDNSQueryHook_Multi( struct xNetworkEndPoint * pxEndPoint,
+                                                            const char * pcName )
+    #else
+        BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
     {
         BaseType_t xReturn;
 
@@ -125,7 +130,12 @@ uint32_t ulApplicationGetNextSequenceNumber( uint32_t ulSourceAddress,
 
 /* Called by FreeRTOS+TCP when the network connects or disconnects.  Disconnect
  * events are only received if implemented in the MAC driver. */
-void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
+    void vApplicationIPNetworkEventHook_Multi( eIPCallbackEvent_t eNetworkEvent,
+                                                   struct xNetworkEndPoint * pxEndPoint )
+#else
+    void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+#endif
 {
     uint32_t ulIPAddress, ulNetMask, ulGatewayAddress, ulDNSServerAddress;
     char cBuffer[ 16 ];
@@ -136,11 +146,11 @@ void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
     {
         /* Print out the network configuration, which may have come from a DHCP
          * server. */
-    #if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+    #if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
         FreeRTOS_GetEndPointConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress, pxNetworkEndPoints );
     #else
         FreeRTOS_GetAddressConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress );
-    #endif /* if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
+    #endif /* defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 ) */
 
         FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
         FreeRTOS_printf( ( "\r\n\r\nIP Address: %s\r\n", cBuffer ) );
@@ -192,7 +202,7 @@ void vPlatformInitIpStack( void )
     /* Initialise the network interface.*/
     FreeRTOS_debug_printf( ( "FreeRTOS_IPInit\r\n" ) );
 
-#if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 )
+#if defined( ipconfigIPv4_BACKWARD_COMPATIBLE ) && ( ipconfigIPv4_BACKWARD_COMPATIBLE == 0 )
     /* Initialise the interface descriptor for WinPCap. */
     pxWinPcap_FillInterfaceDescriptor( 0, &( xInterfaces[ 0 ] ) );
 
@@ -205,11 +215,11 @@ void vPlatformInitIpStack( void )
     }
     #endif /* ( ipconfigUSE_DHCP != 0 ) */
     memcpy( ipLOCAL_MAC_ADDRESS, ucMACAddress, sizeof( ucMACAddress ) );
-    xResult = FreeRTOS_IPStart();
+    xResult = FreeRTOS_IPInit_Multi();
 #else
     /* Using the old /single /IPv4 library, or using backward compatible mode of the new /multi library. */
     xResult = FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
-#endif /* if defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
+#endif /* defined( FREERTOS_PLUS_TCP_VERSION ) && ( FREERTOS_PLUS_TCP_VERSION >= 10 ) */
 
     configASSERT( xResult == pdTRUE );
 }
@@ -225,12 +235,18 @@ BaseType_t xPlatformIsNetworkUp( void )
 
 #if ( ( ipconfigUSE_TCP == 1 ) && ( ipconfigUSE_DHCP_HOOK != 0 ) )
 
-eDHCPCallbackAnswer_t xApplicationDHCPHook( eDHCPCallbackPhase_t eDHCPPhase,
+    #if ( ipconfigIPv4_BACKWARD_COMPATIBLE == 1 )
-                                            uint32_t ulIPAddress )
+        eDHCPCallbackAnswer_t xApplicationDHCPHook( eDHCPCallbackPhase_t eDHCPPhase,
-{
+                                                    uint32_t ulIPAddress )
-    /* Provide a stub for this function. */
+    #else /* ( ipconfigIPv4_BACKWARD_COMPATIBLE == 1 ) */
-    return eDHCPContinue;
+        eDHCPCallbackAnswer_t xApplicationDHCPHook_Multi( eDHCPCallbackPhase_t eDHCPPhase,
-}
+                                                          struct xNetworkEndPoint * pxEndPoint,
+                                                          IP_Address_t * pxIPAddress )
+    #endif /* ( ipconfigIPv4_BACKWARD_COMPATIBLE == 1 ) */
+    {
+        /* Provide a stub for this function. */
+        return eDHCPContinue;
+    }
 
 #endif
 /*-----------------------------------------------------------*/

lexicon.txt

@@ -58,6 +58,7 @@ aren't
 args
 armv
 arp
+arpqc
 arraynotifed
 asc
 ascii
@@ -626,6 +627,7 @@ ebdont
 eblocked
 ebset
 ebwait
+ebff
 ec
 ecc
 ecdh
@@ -721,6 +723,7 @@ esentdata
 esentstart
 eserver
 esp
+estatus
 etaskgetstate
 etaskstateget
 eth
@@ -1105,6 +1108,7 @@ isrtriggeredtask
 isset
 itemlength
 itesm
+itimezone
 itm
 itmc
 itteratio
@@ -1435,6 +1439,7 @@ netbios
 netif
 netifmax
 netiftx
+netinterface
 netmask
 netstat
 networkcontext
@@ -1444,6 +1449,7 @@ ni
 nic
 nirq
 nist
+nl
 nmemb
 nmi
 nnnn
@@ -1467,6 +1473,7 @@ nsec
 nspe
 nt
 ntp
+ntpclient
 ntpdemo
 nts
 ntt
@@ -1508,6 +1515,7 @@ optimiser
 optimising
 optionalquery
 org
+originatetimestamp
 os
 osc
 oszillation
@@ -1612,6 +1620,7 @@ pchead
 pchelpstring
 pchexoutput
 pchost
+pchostname
 pcinputstr
 pcjobdocument
 pcjobid
@@ -1660,6 +1669,7 @@ pcrootdir
 pcrxbuffer
 pcrxedchar
 pcserver
+pcservername
 pcshadowname
 pcsource
 pcstartheaderloc
@@ -2034,6 +2044,7 @@ prvtransmasksetcommand
 prvtypecommand
 prvuartcommandconsoletask
 prvuartrxnotificationhandler
+prvudpechoclienttask
 prvunlockqueue
 prvupdateacceptedhandler
 prvupdatedeltahandler
@@ -2163,6 +2174,7 @@ pwd
 pwm
 pwpr
 pwr
+pxaddress
 pxaddresslen
 pxattrs
 pxbuffer
@@ -2182,6 +2194,7 @@ pxcontext
 pxctx
 pxcurrenttcb
 pxdeserializedinfo
+pxdnsserveraddress
 pxdptr
 pxecdsacontext
 pxecparams
@@ -2236,6 +2249,8 @@ pxreportdescriptor
 pxrequestheaders
 pxrequestinfo
 pxresponse
+pxresult
+pxresults
 pxreturninfo
 pxrng
 pxrngcontext
@@ -2290,6 +2305,7 @@ randomisation
 randomise
 randomised
 randomiser
+raspberrypi
 ratpriorities
 rb
 rbar
@@ -2312,6 +2328,7 @@ reblocked
 receiveloop
 receivetimeout
 receivetimeoutms
+receivetimestamp
 recmucontrolling
 recmutex
 recognisable
@@ -2322,6 +2339,7 @@ recorderdata
 recv
 recvfrom
 recvtimeout
+referenceid
 referencetimestamp
 reflash
 reg
@@ -2547,6 +2565,7 @@ sntperrorauthfailure
 sntpservernotauthenticated
 sntpsuccess
 sntptask
+sntptimestamp
 soc
 sockaddr
 socketauto
@@ -2818,6 +2837,7 @@ ucisstopneededintimerzerocallback
 ucline
 uclisten
 ucminallowablevalue
+ucname
 ucnextbuffertoprocess
 ucnormallyemptyreceivedvalues
 ucnormallyfullreceivedvalues
@@ -2849,6 +2869,7 @@ uihashlen
 uint
 uintptr
 uip
+uk
 ul
 uladditionaloffset
 ulamount
@@ -3021,6 +3042,7 @@ userguide
 usermode
 usernamesize
 usfrequencyhz
+usidentifier
 usindex
 usjobidlength
 usmaxjitter
@@ -3058,6 +3080,7 @@ uxbytesleft
 uxbytesreceived
 uxbytessent
 uxcreatortaskstackbuffer
+uxcurrentseconds
 uxerrorhasoccurred
 uxeventgroupgetnumber
 uxeventqueuelength
@@ -3074,6 +3097,7 @@ uxlistremove
 uxloopcount
 uxmaxcount
 uxmessageswaiting
+uxnetworkisup
 uxnewpriority
 uxnumbertocreate
 uxpacketsreceived
@@ -3121,6 +3145,7 @@ vapplicationidlehook
 vapplicationipnetworkeventhook
 vapplicationirqhandler
 vapplicationmallocfailedhook
+vapplicationpingreplyhook
 vapplicationsetupinterrupts
 vapplicationsetuptimerinterrupt
 vapplicationstackoverflowhook
@@ -3243,6 +3268,7 @@ vstartdefenderdemo
 vstartfleetprovisioningdemo
 vstartjobsdemo
 vstartmathtasks
+vstartntptask
 vstartotademo
 vstartshadowdemo
 vstartsimplehttpdemo
@@ -3315,6 +3341,7 @@ xa
 xactionlength
 xaddress
 xaddresslength
+xafterlinebreak
 xapplicationdhcpuserhook
 xaredynamicprioritytasksstillrunning
 xareflopregistertestsstillrunning
@@ -3326,6 +3353,7 @@ xarestreambuffertasksstillrunning
 xaretasknotificationarraytasksstillrunning
 xarraysize
 xasymmetricalgorithm
+xasynchronous
 xautoreload
 xautoreloadtimers
 xb
@@ -3439,6 +3467,7 @@ xhelpcommand
 xhigherprioritytaskwoken
 xhighprioritymutextask
 xhighprioritytaskwoken
+xhints
 xhostlen
 xhow
 xilinx
@@ -3448,7 +3477,9 @@ xinputstrlen
 xinsideinterrupt
 xinterface
 xinterruptcontroller
+xipaddressfound
 xiptracevalues
+xipversion
 xirqrequest
 xisinsideisr
 xisrautoreloadtimer
@@ -3471,6 +3502,7 @@ xlen
 xlength
 xlentosend
 xlimitedincrementhandle
+xlogging
 xlogtofile
 xlogtostdout
 xlogtoudp
@@ -3511,6 +3543,7 @@ xnextwaketime
 xnotifyarraytaskfromisr
 xntppacket
 xntptaskhandle
+xntptaskisrunning
 xnumberofleds
 xnumberofsuccessfulallocations
 xnumberofsuccessfulfrees
@@ -3639,6 +3672,7 @@ xreturnvalue
 xrow
 xrtosticktimerinstance
 xrunindicator
+xrxaddress
 xrxdescriptors
 xrxtcbbuffer
 xscugic
@@ -3772,6 +3806,7 @@ xtracerunning
 xtransfercompletedelay
 xtransfersocket
 xtransmitted
+xtrue
 xtrueobject
 xts
 xttcps

manifest.yml

@@ -11,7 +11,7 @@ dependencies:
       path: "FreeRTOS/Source"
 
   - name: "FreeRTOS-Plus-TCP"
-    version: "a3f418a"
+    version: "2d3f4da"
     repository:
       type: "git"
       url: "https://github.com/FreeRTOS/FreeRTOS-Plus-TCP.git"