BD_ENET_TX_HB
if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC |
if (status & BD_ENET_TX_HB) /* No heartbeat */
if (sc & (BD_ENET_TX_HB | BD_ENET_TX_LC |
if (sc & BD_ENET_TX_HB) /* No heartbeat */