V4.3.0

Changes between FreeRTOS-plus-TCP V4.3.0 and V4.2.2 released December 10, 2024:

• Fix TCP RX sequence number when handling refusal of FIN packets.
• Fix unicast packets being sent over inactive endpoints. We thank
  @AlfaSegato for their contribution.
• Fix the initialization of the DNS callback list every time there is a
  Network-UP event. We thank @evpopov for their contribution.
• Full ARP/ND build level separation.
  We thank @HTRamsey for their contribution.
• Update the eARPGetCacheEntry to handle loopback addresses correctly
  and assign the loopback endpoint's MAC address as the lookup MAC address.
  We thank @htibosch for their contribution.
• Replace the costly vTaskSuspendAll/xTaskResumeAll locking
  mechanism with the more efficient taskENTER_CRITICAL/taskEXIT_CRITICAL
  pair in frequenly used uxStreamBufferAdd().
  We thank @lzungri for their contribution.
• Improve frame filtering by expanding the checks in
  eConsiderFrameForProcessing to drop invalid frames earlier.
  We thank @HTRamsey for their contribution.
• Fix reception of multicast custom Ethernet frames, where custom multicast
  frames were filtered out. We thank @evpopov for their contribution.
• Update the Zynq Ultrascale port to support the V4.x.x version of
  FreeRTOS+TCP. We thank @StefanBalt and @pete-pjb for their contribution.
• New unified STM32 network interface for STM32 F4/F7/H5/H7.
  We thank @HTRamsey for their contribution.
• Fix ATSAME5x network interface related to incorrect detection of ICMP.
  We thank @cruxic for their contribution.
• Update Renesas portable layer for backward compatibility.
  We thank @xuan97z1 for their contribution.
• Replace any missing functions by assert-false in all CBMC proofs to
  improve tests. We thank @tautschnig for their contribution.
• Add ipconfigEMAC_TASK_HOOK macro to allow for a configurable
  watchdog timer for STMH7xx MCUs. We thank @kzorer for their contribution.
• Improve CMake to allow usage of FetchContent in external projects.
  We thank @nicovanduijn for their contribution.
• Add warning logs if the TCP stream buffer or window properties
  are changed. We thank @evpopov for their contribution.
• Remove unused ipconfigHAS_ROUTING_STATISTICS macro.
  We thank @HTRamsey for their contribution.
• Fix MISRA 2012 violations with the latest version of
  MISRA evalution tools.
• Adjust CBMC proof tooling to support CBMC v6.
  We thank @tautschnig for their contribution.

SHA256 of FreeRTOS-Plus-TCP-V4.3.0.zip: 4e28e4bfceb6522f7ff4641b3bfe23228ed936193281ad9dbc50a41177613f96