label2doi
if (label2doi(plabel) != src_rhtp->tpc_tp.tp_doi) {
if (rhtp == NULL || label2doi(plabel) != rhtp->tpc_tp.tp_doi) {
mlp.tme_doi = label2doi(tsl);
mlp.tme_doi = label2doi(tsl);
mlp.tme_doi = label2doi(tsl);
extern uint32_t label2doi(ts_label_t *);