BD_ENET_TX_WRAP
bdp->cbd_sc |= cpu_to_fec16(BD_ENET_TX_WRAP);
bdp->cbd_sc |= cpu_to_fec16(BD_ENET_TX_WRAP);
if ((sc & BD_ENET_TX_WRAP) == 0)
if ((CBDR_SC(bdp) & BD_ENET_TX_WRAP) == 0) {
if ((CBDR_SC(bdp) & BD_ENET_TX_WRAP) == 0)