NEW API for do address decrecation

Author: Juha Heiskanen

source/Core/include/ns_address_internal.h

@@ -156,6 +156,7 @@ void addr_fast_timer(struct protocol_interface_info_entry *cur, uint_fast16_t ti
 void addr_slow_timer(struct protocol_interface_info_entry *cur, uint_fast16_t seconds);
 struct if_address_entry *addr_add(struct protocol_interface_info_entry *cur, const uint8_t address[__static 16], uint_fast8_t prefix_len, if_address_source_t source, uint32_t valid_lifetime, uint32_t preferred_lifetime, bool skip_dad);
 int_fast8_t addr_delete(struct protocol_interface_info_entry *cur, const uint8_t address[__static 16]);
+int_fast8_t addr_deprecate(struct protocol_interface_info_entry *cur, const uint8_t address[static 16]);
 void addr_delete_matching(struct protocol_interface_info_entry *cur, const uint8_t *prefix, uint8_t prefix_len, if_address_source_t source);
 void addr_delete_entry(struct protocol_interface_info_entry *cur, if_address_entry_t *addr);
 void addr_set_non_preferred(struct protocol_interface_info_entry *cur, if_address_source_t source);

source/Core/ns_address_internal.c

@@ -1010,6 +1010,19 @@ int_fast8_t addr_delete(protocol_interface_info_entry_t *cur, const uint8_t addr
     return -1;
 }
 
+int_fast8_t addr_deprecate(protocol_interface_info_entry_t *cur, const uint8_t address[static 16])
+{
+    ns_list_foreach(if_address_entry_t, e, &cur->ip_addresses) {
+        if (memcmp(e->address, address, 16) == 0) {
+            tr_debug("Deprecate address %s", trace_ipv6(e->address));
+            addr_lifetime_update(cur, e, 0, 0, 30 * 60); //Accept max 30 min lifetime
+            return 0;
+        }
+    }
+
+    return -1;
+}
+
 void addr_delete_matching(protocol_interface_info_entry_t *cur, const uint8_t *prefix, uint8_t prefix_len, if_address_source_t source)
 {
     ns_list_foreach_safe(if_address_entry_t, e, &cur->ip_addresses) {

test/nanostack/unittest/stub/address_stub.c

@@ -226,6 +226,11 @@ int_fast8_t addr_delete(protocol_interface_info_entry_t *cur, const uint8_t addr
     return address_stub.int8_value;
 }
 
+int_fast8_t addr_deprecate(protocol_interface_info_entry_t *cur, const uint8_t address[static 16])
+{
+    return address_stub.int8_value;
+}
+
 void addr_delete_matching(protocol_interface_info_entry_t *cur, const uint8_t *prefix, uint8_t prefix_len, if_address_source_t source)
 {
 }