Merge pull request ARMmbed#1861 from ARMmbed/ws_dhcp_support

Ws dhcp support

Author: Juha Heiskanen

nanostack/dhcp_service_api.h

@@ -69,7 +69,8 @@
 typedef enum dhcp_instance_type
 {
     DHCP_INSTANCE_CLIENT,
-    DHCP_INSTANCE_SERVER
+    DHCP_INSTANCE_SERVER,
+    DHCP_INTANCE_RELAY_AGENT
 } dhcp_instance_type_e;
 
 /**
@@ -124,6 +125,16 @@ typedef int (dhcp_service_receive_resp_cb)(uint16_t instance_id, void *ptr, uint
 
 uint16_t dhcp_service_init(int8_t interface_id, dhcp_instance_type_e instance_type, dhcp_service_receive_req_cb *receive_req_cb);
 
+/**
+* \brief Enable DHCPv6 Relay Agent to server.
+*
+*
+* \param instance The instance ID of the registered server.
+* \param server_address global server IPv6 address
+*/
+void dhcp_service_relay_instance_enable(uint16_t instance, uint8_t *server_address);
+
+
 /**
 * \brief Deletes a server instance.
 *

source/DHCPv6_client/dhcpv6_client_api.h

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2018, Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef DHCPV6_CLIENT_API_H_
+#define DHCPV6_CLIENT_API_H_
+#include <ns_types.h>
+
+/* DHCP client implementation.
+ *
+ * Responsibilities of this module are:
+ * - handle Global address queries and refresh inside network.
+ *
+ */
+
+/* Initialize dhcp client.
+ *
+ * This instance needs to bee initialized once for each network interface.
+ * if only one thread instance is supported this is needed to call only once.
+ *
+ * /param interface interface id of this instance.
+ *
+ */
+
+void dhcp_client_init(int8_t interface);
+
+/* Delete dhcp client.
+ *
+ * When this is called all addressed assigned by this module are removed from stack.
+ */
+void dhcp_client_delete(int8_t interface);
+
+/* Global address handler.
+ *
+ * This module updates the addresses from dhcp server and sets them in stack.
+ * this module makes refresh of address when needed.
+ *
+ */
+
+
+/* give dhcp server and prefix for global address assignment
+ *
+ * /param interface interface where address is got
+ * /param dhcp_addr dhcp server ML16 address where address is registered.
+ * /param prefix dhcp server ML16 address where address is registered.
+ * /param mac64 64 bit mac address for identifieng client.
+ * /param error_cb error callback that is called if address cannot be created or becomes invalid.
+ * /param register_status true if address registered.
+ *
+ */
+typedef void (dhcp_client_global_adress_cb)(int8_t interface, uint8_t dhcp_addr[static 16], uint8_t prefix[static 16], bool register_status);
+
+int dhcp_client_get_global_address(int8_t interface, uint8_t dhcp_addr[static 16], uint8_t prefix[static 16], uint8_t mac64[static 8], dhcp_client_global_adress_cb *error_cb);
+
+/* Renew all leased adddresses might be used when short address changes
+ *
+ * /param interface interface where address is got
+ */
+void dhcp_client_global_address_renew(int8_t interface);
+
+/* Delete address from device
+ *  if prefix is NULL all are deleted
+ *
+ * /param interface interface where address is got
+ * /param prefix dhcp server ML16 address where address is registered.
+ *
+ */
+void dhcp_client_global_address_delete(int8_t interface, uint8_t dhcp_addr[static 16], uint8_t prefix[static 16]);
+
+
+
+#endif /* DHCPV6_CLIENT_API_H_ */