interface: suppress unnecessary device config overrides

[project/netifd.git] / alias.c

diff --git a/alias.c b/alias.c
index 185a5d2..cef125f 100644 (file)
--- a/alias.c
+++ b/alias.c
@@ -51,6 +51,7 @@ static void alias_set_device(struct alias_device *alias, struct device *dev)
        device_remove_user(&alias->dep);
        alias->dev.hidden = !dev;
        if (dev) {
+               device_set_ifindex(&alias->dev, dev->ifindex);
                strcpy(alias->dev.ifname, dev->ifname);
                device_broadcast_event(&alias->dev, DEV_EVENT_UPDATE_IFNAME);
                device_add_user(&alias->dep, dev);
@@ -82,14 +83,22 @@ alias_device_set_state(struct device *dev, bool state)
 static void alias_device_cb(struct device_user *dep, enum device_event ev)
 {
        struct alias_device *alias;
-       bool present = false;
+       bool new_state = false;
 
        alias = container_of(dep, struct alias_device, dep);
        switch (ev) {
        case DEV_EVENT_ADD:
-               present = true;
+               new_state = true;
        case DEV_EVENT_REMOVE:
-               device_set_present(&alias->dev, present);
+               device_set_present(&alias->dev, new_state);
+               break;
+       case DEV_EVENT_LINK_UP:
+               new_state = true;
+       case DEV_EVENT_LINK_DOWN:
+               device_set_link(&alias->dev, new_state);
+               break;
+       case DEV_EVENT_UPDATE_IFINDEX:
+               device_set_ifindex(&alias->dev, dep->dev->ifindex);
                break;
        default:
                device_broadcast_event(&alias->dev, ev);