1 files changed, 28 insertions, 0 deletions
diff --git a/src/network/networkd-dhcp4.h b/src/network/networkd-dhcp4.h
new file mode 100644
index 0000000000..117b7110d3
--- /dev/null
+++ b/src/network/networkd-dhcp4.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#include "conf-parser.h"
+
+typedef struct Link Link;
+
+typedef enum DHCPClientIdentifier {
+        DHCP_CLIENT_ID_MAC,
+        DHCP_CLIENT_ID_DUID,
+        /* The following option may not be good for RFC regarding DHCP (3315 and 4361).
+         * But some setups require this. E.g., Sky Broadband, the second largest provider in the UK
+         * requires the client id to be set to a custom string, reported at
+         * https://github.com/systemd/systemd/issues/7828 */
+        DHCP_CLIENT_ID_DUID_ONLY,
+        _DHCP_CLIENT_ID_MAX,
+        _DHCP_CLIENT_ID_INVALID = -1,
+} DHCPClientIdentifier;
+
+void dhcp4_release_old_lease(Link *link);
+int dhcp4_configure(Link *link);
+int dhcp4_set_client_identifier(Link *link);
+int dhcp4_set_promote_secondaries(Link *link);
+
+CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_client_identifier);
+CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_black_listed_ip_address);
+CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_max_attempts);
+CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_user_class);