Fixed DHCPv6 client delete when address was removed to new network discovery.

Change-Id: I460b60adc985c6bb05bd05ac0c35a9550c6526ad

Author: Juha Heiskanen

source/6LoWPAN/ws/ws_bootstrap.c

@@ -159,6 +159,12 @@ static void ws_bootstrap_address_notification_cb(struct protocol_interface_info_
     } else if (reason == ADDR_CALLBACK_DELETED) {
         // What to do?
         // Go through address list and check if there is global address still available
+        if (addr->source == ADDR_SOURCE_DHCP) {
+            //Deprecate dhcpv address
+            uint8_t address[16];
+            memcpy(address, addr->address, 16);
+            dhcp_client_global_address_delete(interface->id, NULL, address);
+        }
         //Discover prefix policy
         addr_policy_remove_by_label(WS_NON_PREFFRED_LABEL);
 

source/DHCPv6_client/dhcpv6_client_service.c

@@ -96,7 +96,7 @@ void dhcp_client_delete(int8_t interface)
 {
     protocol_interface_info_entry_t *cur = NULL;
     dhcpv6_client_server_data_t *srv_data_ptr;
-
+    uint8_t temporary_address[16];
     dhcp_service_delete(dhcp_client.service_instance);
 
 
@@ -110,9 +110,11 @@ void dhcp_client_delete(int8_t interface)
         srv_data_ptr = libdhcpv6_nonTemporal_entry_get_by_instance(dhcp_client.libDhcp_instance);
         if (srv_data_ptr != NULL) {
             tr_debug("Free DHCPv6 Client\n");
+            memcpy(temporary_address, srv_data_ptr->iaNontemporalAddress.addressPrefix, 16);
             dhcp_service_req_remove(srv_data_ptr->transActionId);// remove all pending retransmissions
-            addr_delete(cur, srv_data_ptr->iaNontemporalAddress.addressPrefix);
             libdhcvp6_nontemporalAddress_server_data_free(srv_data_ptr);
+            addr_delete(cur, temporary_address);
+
         }
     } while (srv_data_ptr != NULL);
     dhcp_client.service_instance = 0;