O_LAYER4_UID
keyword(MODULE_LAYER4_ID, O_LAYER4_UID, "uid", FILTER);
function(MODULE_LAYER4_ID, O_LAYER4_UID,
(*cmd)->opcode = O_LAYER4_UID;
if (opcode == O_LAYER4_UID) {
ip_fw3_register_filter_funcs(MODULE_LAYER4_ID, O_LAYER4_UID,