JME_RX_PAD_BYTES
sc->jme_cdata.jme_rxlen = JME_RX_BYTES(status) - JME_RX_PAD_BYTES;
m->m_len = MCLBYTES - JME_RX_PAD_BYTES;
((MCLBYTES - JME_RX_PAD_BYTES) +
m->m_data += JME_RX_PAD_BYTES;