WB_RXBYTES
(WB_RXBYTES(cur_rx->wb_ptr->wb_status) < WB_MIN_FRAMELEN) ||
(WB_RXBYTES(cur_rx->wb_ptr->wb_status) > ETHER_MAX_DIX_LEN) ||
total_len = WB_RXBYTES(cur_rx->wb_ptr->wb_status);