+ return type == NET_ADDR_RANDOM;
+}
+
+static bool should_rename(struct udev_device *device, bool respect_predictable) {
+ const char *s;
+ unsigned type;
+ int r;
+
+ s = udev_device_get_sysattr_value(device, "name_assign_type");
+ if (!s)
+ return true; /* if we don't know, assume we should rename */
+ r = safe_atou(s, &type);
+ if (r < 0)
+ return true;
+
+ switch (type) {
+ case NET_NAME_USER:
+ case NET_NAME_RENAMED:
+ return false; /* these were already named by userspace, do not touch again */
+ case NET_NAME_PREDICTABLE:
+ if (respect_predictable)
+ return false; /* the kernel claims to have given a predictable name */
+ /* fall through */
+ case NET_NAME_ENUM:
+ default:
+ return true; /* the name is known to be bad, or of an unknown type */
+ }