RL_ISR_RX_OK
sc->rl_rx_ack = RL_ISR_RX_OK | RL_ISR_FIFO_OFLOW |
if ((status & RL_ISR_RX_OK) || (status & RL_ISR_RX_ERR))
(RL_ISR_TX_OK|RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \
(RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \