Fixed BVLC Write Broadcast Distribution Table for protocol revision 17 and later. (#1005)

* Fixed BVLC Write Broadcast Distribution Table for protocol revision 17 and later.

* Added check for Network Port object bbmd-accept-fd-registrations property in BBMD handler.

* Added bvlc_foreign_device_table_decode() function and unit test.

* Added BDT and FTD write property to network port for IPv4

src/bacnet/datalink/dlenv.c

@@ -321,6 +321,38 @@ static int bbmd6_register_as_foreign_device(void)
     return retval;
 }
 
+/**
+ * @brief
+ *
+ * @param instance
+ */
+static void bip_network_port_activate_changes(uint32_t instance)
+{
+#if defined(BACDL_BIP)
+    bvlc_bbmd_accept_fd_registrations_set(
+        Network_Port_BBMD_Accept_FD_Registrations(instance));
+#else
+    /* if we are not using BIP, then we don't have any changes to discard */
+    (void)instance;
+#endif
+}
+
+/**
+ * @brief
+ *
+ * @param instance
+ */
+static void bip_network_port_discard_changes(uint32_t instance)
+{
+#if defined(BACDL_BIP)
+    Network_Port_BBMD_Accept_FD_Registrations_Set(
+        instance, bvlc_bbmd_accept_fd_registrations());
+#else
+    /* if we are not using BIP, then we don't have any changes to discard */
+    (void)instance;
+#endif
+}
+
 /**
  * Datalink network port object settings
  */
@@ -401,6 +433,8 @@ static void dlenv_network_port_bip_init(uint32_t instance)
         instance, addr0, addr1, addr2, addr3);
     Network_Port_Remote_BBMD_BIP_Port_Set(instance, BBMD_Address.port);
     Network_Port_Remote_BBMD_BIP_Lifetime_Set(instance, BBMD_TTL_Seconds);
+    Network_Port_BBMD_Accept_FD_Registrations_Set(
+        instance, bvlc_bbmd_accept_fd_registrations());
 #endif
     /* common NP data */
     Network_Port_Reliability_Set(instance, RELIABILITY_NO_FAULT_DETECTED);
@@ -411,6 +445,10 @@ static void dlenv_network_port_bip_init(uint32_t instance)
     /* last thing - clear pending changes - we don't want to set these
        since they are already set */
     Network_Port_Changes_Pending_Set(instance, false);
+    Network_Port_Changes_Pending_Activate_Callback_Set(
+        instance, bip_network_port_activate_changes);
+    Network_Port_Changes_Pending_Discard_Callback_Set(
+        instance, bip_network_port_discard_changes);
 }
 
 /**