Clean multicast address when interface is shutdown

Author: Mika Tervonen

source/NWK_INTERFACE/protocol_core.c

@@ -393,6 +393,11 @@ void protocol_core_interface_info_reset(protocol_interface_info_entry_t *entry)
         ns_list_foreach_safe(if_address_entry_t, addr, &entry->ip_addresses) {
             addr_delete_entry(entry, addr);
         }
+#ifdef MULTICAST_FORWARDING
+        ns_list_foreach_safe(if_group_fwd_entry_t, group, &entry->ip_groups_fwd) {
+            addr_multicast_fwd_remove(entry, group->group);
+        }
+#endif
 #ifdef HAVE_RPL
         /* This is done after address deletion, so RPL can act on them */
         rpl_control_remove_domain_from_interface(entry);

test/nanostack/unittest/stub/address_stub.c

@@ -122,6 +122,11 @@ void addr_multicast_fwd_list_delete_entry(if_group_fwd_list_t *list, if_group_fw
 {
 }
 
+bool addr_multicast_fwd_remove(protocol_interface_info_entry_t *interface, const uint8_t group[16])
+{
+    return address_stub.bool_value;
+}
+
 int_fast8_t addr_policy_table_add_entry(const uint8_t *prefix, uint8_t len, uint8_t precedence, uint8_t label)
 {
     return address_stub.int8_value;