PADO_CODE
neg->pkt->pkt_header.ph.code = PADO_CODE;
neg->pkt->pkt_header.ph.code = PADO_CODE;
case PADO_CODE:
neg->pkt->pkt_header.ph.code = PADO_CODE;
case PADO_CODE:
neg->pkt->pkt_header.ph.code = PADO_CODE;