Remove obsolete config structs

This PR removes the xNetworkAddressing and xDefaultAddressing structs as they appear to be obsolete.

Author: rawalexe

source/FreeRTOS_DHCP.c

@@ -56,9 +56,6 @@
 
     #include "FreeRTOS_Routing.h"
 
-/* The following define is temporary and serves to make the /single source
- * code more similar to the /multi version. */
-
     #define EP_DHCPData         pxEndPoint->xDHCPData                 /**< Temporary define to make /single source similar to /multi version. */
     #define EP_IPv4_SETTINGS    pxEndPoint->ipv4_settings             /**< Temporary define to make /single source similar to /multi version. */
 

source/FreeRTOS_IP.c

@@ -185,14 +185,6 @@ uint16_t usPacketIdentifier = 0U;
  * reference. */
 const MACAddress_t xBroadcastMACAddress = { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
 
-/** @brief Default values for the above struct in case DHCP
- * does not lead to a confirmed request. */
-
-/* MISRA Ref 8.9.1 [File scoped variables] */
-/* More details at: https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/blob/main/MISRA.md#rule-89 */
-/* coverity[misra_c_2012_rule_8_9_violation] */
-NetworkAddressingParameters_t xDefaultAddressing = { 0, 0, 0, 0, 0 };
-
 /** @brief Used to ensure network down events cannot be missed when they cannot be
  * posted to the network event queue because the network event queue is already
  * full. */

source/include/FreeRTOS_DHCP.h

@@ -103,11 +103,6 @@
 #define dhcpADDRESS_TYPE_ETHERNET       ( 1U )                /**< Address type: ethernet opcode. */
 #define dhcpETHERNET_ADDRESS_LENGTH     ( 6U )                /**< Ethernet address length opcode. */
 
-/* The following define is temporary and serves to make the /single source
- * code more similar to the /multi version. TODO */
-//#define EP_DHCPData                     xDHCPData              /**< Temporary define to make /single source similar to /multi version. */
-//#define EP_IPv4_SETTINGS                xNetworkAddressing     /**< Temporary define to make /single source similar to /multi version. */
-
 /** @brief If a lease time is not received, use the default of two days (48 hours in ticks).
  * Can not use pdMS_TO_TICKS() as integer overflow can occur. */
 #define dhcpDEFAULT_LEASE_TIME          ( ( 48UL * 60UL * 60UL ) * configTICK_RATE_HZ )

source/include/FreeRTOS_IP_Private.h

@@ -339,15 +339,6 @@ typedef union xUDPPacketHeader
 extern UDPPacketHeader_t xDefaultPartUDPPacketHeader;
 
 
-/* Structure that stores the netmask, gateway address and DNS server addresses. */
-extern NetworkAddressingParameters_t xNetworkAddressing;
-
-/* Structure that stores the defaults for netmask, gateway address and DNS.
- * These values will be copied to 'xNetworkAddressing' in case DHCP is not used,
- * and also in case DHCP does not lead to a confirmed request. */
-/*lint -e9003*/
-extern NetworkAddressingParameters_t xDefaultAddressing; /*lint !e9003 could define variable 'xDefaultAddressing' at block scope [MISRA 2012 Rule 8.9, advisory]. */
-
 /* True when BufferAllocation_1.c was included, false for BufferAllocation_2.c */
 extern const BaseType_t xBufferAllocFixedSize;