Merge branch 'main' into dev-ip-build-sep

FreeRTOS · Sep 19, 2024 · af31638 · af31638
2 parents 973fbc4 + 8aebab7
commit af31638
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diff --git a/README.md b/README.md
@@ -11,12 +11,12 @@ release.**
 
 ## Getting started
 The easiest way to use version 4.0.0 and later of FreeRTOS-Plus-TCP is to refer the Getting started Guide (found [here](https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/blob/main/GettingStarted.md))
-Another way is to start with the pre-configured IPv4 Windows Simulator demo (found in [this directory](https://github.com/FreeRTOS/FreeRTOS/tree/main/FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Minimal_Windows_Simulator)) or IPv6 Multi-endpoint Windows Simulator demo (found in [this directory](https://github.com/FreeRTOS/FreeRTOS/tree/main/FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo)). That way you will have the correct FreeRTOS source files included, and the correct include paths configured.  Once a demo application is building and executing you can remove the demo application files, and start to add in your own application source files.  See the [FreeRTOS Kernel Quick Start Guide](https://www.freertos.org/FreeRTOS-quick-start-guide.html) for detailed instructions and other useful links.
+Another way is to start with the pre-configured IPv4 Windows Simulator demo (found in [this directory](https://github.com/FreeRTOS/FreeRTOS/tree/main/FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_Minimal_Windows_Simulator)) or IPv6 Multi-endpoint Windows Simulator demo (found in [this directory](https://github.com/FreeRTOS/FreeRTOS/tree/main/FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo)). That way you will have the correct FreeRTOS source files included, and the correct include paths configured.  Once a demo application is building and executing you can remove the demo application files, and start to add in your own application source files.  See the [FreeRTOS Kernel Quick Start Guide](https://www.freertos.org/Documentation/01-FreeRTOS-quick-start/01-Beginners-guide/02-Quick-start-guide) for detailed instructions and other useful links.
 
-Additionally, for FreeRTOS-Plus-TCP source code organization refer to the [Documentation](http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_Networking_Tutorial.html), and [API Reference](https://freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/FreeRTOS_TCP_API_Functions.html).
+Additionally, for FreeRTOS-Plus-TCP source code organization refer to the [Documentation](http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_Networking_Tutorial.html), and [API Reference](https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/09-API-reference/01-FreeRTOS-plus-TCP-APIs).
 
 ### Getting help
-If you have any questions or need assistance troubleshooting your FreeRTOS project, we have an active community that can help on the [FreeRTOS Community Support Forum](https://forums.freertos.org). Please also refer to [FAQ](http://www.freertos.org/FAQHelp.html) for frequently asked questions.
+If you have any questions or need assistance troubleshooting your FreeRTOS project, we have an active community that can help on the [FreeRTOS Community Support Forum](https://forums.freertos.org). Please also refer to [FAQ](https://www.freertos.org/Why-FreeRTOS/FAQs) for frequently asked questions.
 
 Also see the [Submitting a bugs/feature request](https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/blob/main/.github/CONTRIBUTING.md#submitting-a-bugsfeature-request) section of CONTRIBUTING.md for more details.
 
@@ -91,7 +91,7 @@ git submodule update --checkout --init --recursive tools/CMock test/FreeRTOS-Ker
 ```
 
 ## Porting
-The porting guide is available on [this page](http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/FreeRTOS_TCP_Porting.html).
+The porting guide is available on [this page](https://www.freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/01-FreeRTOS_TCP_Porting).
 
 ## Repository structure
 This repository contains the FreeRTOS-Plus-TCP repository and a number of supplementary libraries for testing/PR Checks.

diff --git a/readme.txt b/readme.txt
@@ -7,7 +7,7 @@ A description of the source code organisation is available on:
 http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_Networking_Tutorial.html
 
 The porting guide is available on:
-http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/FreeRTOS_TCP_Porting.html
+https://www.freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/01-FreeRTOS_TCP_Porting
 
 License information is available on:
 http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/FreeRTOS_Plus_TCP_License.html

diff --git a/source/FreeRTOS_ARP.c b/source/FreeRTOS_ARP.c
@@ -881,7 +881,7 @@
                                                  MACAddress_t * const pxMACAddress,
                                                  struct xNetworkEndPoint ** ppxEndPoint )
     {
-        eResolutionLookupResult_t eReturn;
+        eResolutionLookupResult_t eReturn = eResolutionFailed;
         uint32_t ulAddressToLookup;
         NetworkEndPoint_t * pxEndPoint = NULL;
 
@@ -893,7 +893,17 @@
         ulAddressToLookup = *pulIPAddress;
         pxEndPoint = FreeRTOS_FindEndPointOnIP_IPv4( ulAddressToLookup );
 
-        if( xIsIPv4Multicast( ulAddressToLookup ) != 0 )
+        if( xIsIPv4Loopback( ulAddressToLookup ) != 0 )
+        {
+            if( pxEndPoint != NULL )
+            {
+                /* For multi-cast, use the first IPv4 end-point. */
+                memcpy( pxMACAddress->ucBytes, pxEndPoint->xMACAddress.ucBytes, sizeof( pxMACAddress->ucBytes ) );
+                *( ppxEndPoint ) = pxEndPoint;
+                eReturn = eARPCacheHit;
+            }
+        }
+        else if( xIsIPv4Multicast( ulAddressToLookup ) != 0 )
         {
             /* Get the lowest 23 bits of the IP-address. */
             vSetMultiCastIPv4MacAddress( ulAddressToLookup, pxMACAddress );

diff --git a/source/FreeRTOS_DNS_Callback.c b/source/FreeRTOS_DNS_Callback.c
@@ -76,8 +76,8 @@
                 BaseType_t xMatching;
                 DNSCallback_t * pxCallback = ( ( DNSCallback_t * ) listGET_LIST_ITEM_OWNER( pxIterator ) );
                 #if ( ipconfigUSE_MDNS == 1 )
-                    /* mDNS port 5353. */
-                    if( pxSet->usPortNumber == FreeRTOS_htons( ipMDNS_PORT ) )
+                    /* mDNS port 5353. Host byte order comparison. */
+                    if( pxSet->usPortNumber == ipMDNS_PORT )
                     {
                         /* In mDNS, the query ID field is ignored and the
                          * hostname will be compared with outstanding requests. */

diff --git a/source/FreeRTOS_IP.c b/source/FreeRTOS_IP.c
@@ -1553,12 +1553,13 @@ eFrameProcessingResult_t eConsiderFrameForProcessing( const uint8_t * const pucE
         else
         {
             /* The frame is an unsupported Ethernet II type */
-            #if ipconfigIS_DISABLED( ipconfigPROCESS_CUSTOM_ETHERNET_FRAMES )
-                /* Processing custom ethernet frames is disabled - release it. */
-                break;
-            #else
-                /* Processing custom ethernet frames is enabled - Continue filter checks. */
+            #if ipconfigIS_ENABLED( ipconfigPROCESS_CUSTOM_ETHERNET_FRAMES )
+
+                /* Processing custom Ethernet frames is enabled. No need for any further testing.
+                 * Accept the frame whether it's a unicast, multicast, or broadcast. */
+                eReturn = eProcessBuffer;
             #endif
+            break;
         }
 
         /* Third, filter based on destination mac address. */

diff --git a/source/FreeRTOS_Sockets.c b/source/FreeRTOS_Sockets.c
@@ -2356,17 +2356,25 @@ void * vSocketClose( FreeRTOS_Socket_t * pxSocket )
         uint32_t ulNewValue;
         BaseType_t xReturn;
 
+        if( ( FreeRTOS_issocketconnected( pxSocket ) == pdTRUE ) )
+        {
+            /* If this socket is the child of a listening socket, the remote client may or may not have already sent
+             * us data. If data was already sent, then pxSocket->u.xTCP.rxStream != NULL and this call will fail.
+             * Warn the user about this inconsistent behavior. */
+            FreeRTOS_printf( ( "Warning: Changing buffer/window properties on a connected socket may fail." ) );
+        }
+
         if( pxSocket->ucProtocol != ( uint8_t ) FREERTOS_IPPROTO_TCP )
         {
-            FreeRTOS_debug_printf( ( "Set SO_%sBUF: wrong socket type\n",
-                                     ( lOptionName == FREERTOS_SO_SNDBUF ) ? "SND" : "RCV" ) );
+            FreeRTOS_printf( ( "Set SO_%sBUF: wrong socket type\n",
+                               ( lOptionName == FREERTOS_SO_SNDBUF ) ? "SND" : "RCV" ) );
             xReturn = -pdFREERTOS_ERRNO_EINVAL;
         }
         else if( ( ( lOptionName == FREERTOS_SO_SNDBUF ) && ( pxSocket->u.xTCP.txStream != NULL ) ) ||
                  ( ( lOptionName == FREERTOS_SO_RCVBUF ) && ( pxSocket->u.xTCP.rxStream != NULL ) ) )
         {
-            FreeRTOS_debug_printf( ( "Set SO_%sBUF: buffer already created\n",
-                                     ( lOptionName == FREERTOS_SO_SNDBUF ) ? "SND" : "RCV" ) );
+            FreeRTOS_printf( ( "Set SO_%sBUF: buffer already created\n",
+                               ( lOptionName == FREERTOS_SO_SNDBUF ) ? "SND" : "RCV" ) );
             xReturn = -pdFREERTOS_ERRNO_EINVAL;
         }
         else

diff --git a/source/FreeRTOS_Stream_Buffer.c b/source/FreeRTOS_Stream_Buffer.c
@@ -307,7 +307,7 @@ size_t uxStreamBufferAdd( StreamBuffer_t * const pxBuffer,
 
         /* The below update to the stream buffer members must happen
          * atomically. */
-        vTaskSuspendAll();
+        taskENTER_CRITICAL();
         {
             if( uxOffset == 0U )
             {
@@ -328,7 +328,7 @@ size_t uxStreamBufferAdd( StreamBuffer_t * const pxBuffer,
                 pxBuffer->uxFront = uxNextHead;
             }
         }
-        ( void ) xTaskResumeAll();
+        taskEXIT_CRITICAL();
     }
 
     return uxCount;

diff --git a/source/include/FreeRTOS_IP.h b/source/include/FreeRTOS_IP.h
@@ -307,7 +307,7 @@ uint32_t FreeRTOS_round_down( uint32_t a,
 /*
  * FULL, UP-TO-DATE AND MAINTAINED REFERENCE DOCUMENTATION FOR ALL THESE
  * FUNCTIONS IS AVAILABLE ON THE FOLLOWING URL:
- * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/FreeRTOS_TCP_API_Functions.html
+ * https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/09-API-reference/01-FreeRTOS-plus-TCP-APIs
  */
 
 /* FreeRTOS_IPInit_Multi() replaces the earlier FreeRTOS_IPInit().  It assumes

diff --git a/source/include/FreeRTOS_Sockets.h b/source/include/FreeRTOS_Sockets.h
@@ -199,7 +199,7 @@
 /**
  * FULL, UP-TO-DATE AND MAINTAINED REFERENCE DOCUMENTATION FOR ALL THESE
  * FUNCTIONS IS AVAILABLE ON THE FOLLOWING URL:
- * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/FreeRTOS_TCP_API_Functions.html
+ * https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/09-API-reference/01-FreeRTOS-plus-TCP-APIs
  */
 
 /* Common Socket Attributes. */

diff --git a/source/include/IPTraceMacroDefaults.h b/source/include/IPTraceMacroDefaults.h
@@ -29,7 +29,7 @@
  * @file IPTraceMacroDefaults.h
  * @brief This file provides default (empty) implementations for any IP trace
  *        macros that are not defined by the user.  See
- *        http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Trace.html
+ *        https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/08-Trace-macros
  */
 
 #ifndef IP_TRACE_MACRO_DEFAULTS_H

diff --git a/source/portable/BufferManagement/BufferAllocation_1.c b/source/portable/BufferManagement/BufferAllocation_1.c
@@ -29,7 +29,7 @@
 *
 * See the following web page for essential buffer allocation scheme usage and
 * configuration details:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Ethernet_Buffer_Management.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/05-Buffer-management
 *
 ******************************************************************************/
 

diff --git a/source/portable/BufferManagement/BufferAllocation_2.c b/source/portable/BufferManagement/BufferAllocation_2.c
@@ -31,7 +31,7 @@
 *
 * See the following web page for essential buffer allocation scheme usage and
 * configuration details:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Ethernet_Buffer_Management.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/05-Buffer-management
 *
 ******************************************************************************/
 

diff --git a/source/portable/Compiler/CompilerName/pack_struct_end.h b/source/portable/Compiler/CompilerName/pack_struct_end.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 ; /* FIX ME. Update for the compiler specifier needed at end of a struct declaration to pack the struct. */
diff --git a/source/portable/Compiler/CompilerName/pack_struct_start.h b/source/portable/Compiler/CompilerName/pack_struct_start.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 /* FIX ME. Update for the compiler specifier needed at the start of a struct declaration to pack the struct. */
diff --git a/source/portable/Compiler/GCC/pack_struct_end.h b/source/portable/Compiler/GCC/pack_struct_end.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 __attribute__( ( packed ) );
diff --git a/source/portable/Compiler/GCC/pack_struct_start.h b/source/portable/Compiler/GCC/pack_struct_start.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 

diff --git a/source/portable/Compiler/IAR/pack_struct_end.h b/source/portable/Compiler/IAR/pack_struct_end.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 

diff --git a/source/portable/Compiler/IAR/pack_struct_start.h b/source/portable/Compiler/IAR/pack_struct_start.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 

diff --git a/source/portable/Compiler/Keil/pack_struct_end.h b/source/portable/Compiler/Keil/pack_struct_end.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 ;

diff --git a/source/portable/Compiler/Keil/pack_struct_start.h b/source/portable/Compiler/Keil/pack_struct_start.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 

diff --git a/source/portable/Compiler/MPLAB_XC/pack_struct_end.h b/source/portable/Compiler/MPLAB_XC/pack_struct_end.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 

diff --git a/source/portable/Compiler/MPLAB_XC/pack_struct_start.h b/source/portable/Compiler/MPLAB_XC/pack_struct_start.h
@@ -28,6 +28,6 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
diff --git a/source/portable/Compiler/MSVC/pack_struct_end.h b/source/portable/Compiler/MSVC/pack_struct_end.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 

diff --git a/source/portable/Compiler/MSVC/pack_struct_start.h b/source/portable/Compiler/MSVC/pack_struct_start.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 

diff --git a/source/portable/Compiler/Renesas/pack_struct_end.h b/source/portable/Compiler/Renesas/pack_struct_end.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 

diff --git a/source/portable/Compiler/Renesas/pack_struct_start.h b/source/portable/Compiler/Renesas/pack_struct_start.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 

diff --git a/source/portable/Compiler/Tasking/pack_struct_end.h b/source/portable/Compiler/Tasking/pack_struct_end.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 

diff --git a/source/portable/Compiler/Tasking/pack_struct_start.h b/source/portable/Compiler/Tasking/pack_struct_start.h
@@ -28,7 +28,7 @@
 /*****************************************************************************
 *
 * See the following URL for an explanation of this file:
-* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Compiler_Porting.html
+* https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/10-Porting/02-Embedded_Compiler_Porting
 *
 *****************************************************************************/
 

diff --git a/source/portable/NetworkInterface/M487/NetworkInterface.c b/source/portable/NetworkInterface/M487/NetworkInterface.c
@@ -73,7 +73,7 @@ static void prvEMACHandlerTask( void * pvParameters );
 static void prvPhyTmrCallback( TimerHandle_t xTimer );
 
 /* The size of each buffer when BufferAllocation_1 is used:
- * http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Ethernet_Buffer_Management.html */
+ * https://freertos.org/Documentation/03-Libraries/02-FreeRTOS-plus/02-FreeRTOS-plus-TCP/05-Buffer-management */
 
 #define niBUFFER_1_PACKET_SIZE    1536
 #ifdef __ICCARM__