add a debug message showing interface availability changes

[project/netifd.git] / interface.c

diff --git a/interface.c b/interface.c
index 59b7ea2..62617e2 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -157,6 +157,7 @@ interface_set_available(struct interface *iface, bool new_state)
        if (iface->available == new_state)
                return;
 
+       D(INTERFACE, "Interface '%s', available=%d\n", iface->name, new_state);
        iface->available = new_state;
 
        if (new_state) {
@@ -420,11 +421,14 @@ interface_update(struct vlist_tree *tree, struct vlist_node *node_new,
        struct interface *if_old = container_of(node_old, struct interface, node);
        struct interface *if_new = container_of(node_new, struct interface, node);
 
-       if (node_old && node_new)
+       if (node_old && node_new) {
+               D(INTERFACE, "Update interface '%s'\n", if_new->name);
                interface_change_config(if_old, if_new);
-       else if (node_old)
+       } else if (node_old) {
+               D(INTERFACE, "Remove interface '%s'\n", if_old->name);
                set_config_state(if_old, IFC_REMOVE);
-       else if (node_new) {
+       } else if (node_new) {
+               D(INTERFACE, "Create interface '%s'\n", if_new->name);
                interface_claim_device(if_new);
                proto_init_interface(if_new, if_new->config);
                interface_ip_init(if_new);