QMC_RX_FLAG_HDLC_OVF
(QMC_RX_FLAG_HDLC_OVF | QMC_RX_FLAG_HDLC_UNA | \
if (flags & QMC_RX_FLAG_HDLC_OVF) /* Data overflow */
BUILD_BUG_ON(QMC_RX_FLAG_HDLC_OVF != QMC_BD_RX_LG);