--- /dev/null
+#!/bin/sh
+
+[ "$ACTION" = add ] || exit 0
+[ "${DEVNAME/[0-9]/}" = cdc-wdm ] || exit 0
+
+. /lib/functions.sh
+. /lib/netifd/netifd-proto.sh
+
+find_wwan_iface() {
+ local cfg="$1"
+
+ local proto device
+ config_get proto "$cfg" proto
+ config_get device "$cfg" device
+
+ [ "$proto" = wwan ] || [ "$proto" = mbim ] || [ "$proto" = qmi ] || return 0
+ [ -z "$device" -a "$proto" = wwan ] || [ "$device" = "/dev/$DEVNAME" ] || return 0
+
+ proto_set_available "$cfg" 1
+ ifup "$cfg"
+ exit 0
+}
+
+config_load network
+config_foreach find_wwan_iface interface