network: introduce NETWORK_CONFIG_SOURCE_RUNTIME

src/network/networkd-util.c

@@ -19,6 +19,7 @@ static const char * const network_config_source_table[_NETWORK_CONFIG_SOURCE_MAX
         [NETWORK_CONFIG_SOURCE_DHCP6]   = "DHCPv6",
         [NETWORK_CONFIG_SOURCE_DHCP6PD] = "DHCPv6-PD",
         [NETWORK_CONFIG_SOURCE_NDISC]   = "NDisc",
+        [NETWORK_CONFIG_SOURCE_RUNTIME] = "runtime",
 };
 
 DEFINE_STRING_TABLE_LOOKUP_TO_STRING(network_config_source, NetworkConfigSource);

src/network/networkd-util.h

@@ -27,6 +27,7 @@ typedef enum NetworkConfigSource {
         NETWORK_CONFIG_SOURCE_DHCP6,
         NETWORK_CONFIG_SOURCE_DHCP6PD,
         NETWORK_CONFIG_SOURCE_NDISC,
+        NETWORK_CONFIG_SOURCE_RUNTIME, /* through D-Bus method */
         _NETWORK_CONFIG_SOURCE_MAX,
         _NETWORK_CONFIG_SOURCE_INVALID = -EINVAL,
 } NetworkConfigSource;