560 	struct id_and_dlc fifo_header;  in m_can_read_fifo()  local
564 	err = m_can_fifo_read(cdev, fgi, M_CAN_FIFO_ID, &fifo_header, 2);  in m_can_read_fifo()
568 	if (fifo_header.dlc & RX_BUF_FDF)  in m_can_read_fifo()
577 	if (fifo_header.dlc & RX_BUF_FDF)  in m_can_read_fifo()
578 		cf->len = can_fd_dlc2len((fifo_header.dlc >> 16) & 0x0F);  in m_can_read_fifo()
580 		cf->len = can_cc_dlc2len((fifo_header.dlc >> 16) & 0x0F);  in m_can_read_fifo()
582 	if (fifo_header.id & RX_BUF_XTD)  in m_can_read_fifo()
583 		cf->can_id = (fifo_header.id & CAN_EFF_MASK) | CAN_EFF_FLAG;  in m_can_read_fifo()
585 		cf->can_id = (fifo_header.id >> 18) & CAN_SFF_MASK;  in m_can_read_fifo()
587 	if (fifo_header.id & RX_BUF_ESI) {  in m_can_read_fifo()
592 	if (!(fifo_header.dlc & RX_BUF_FDF) && (fifo_header.id & RX_BUF_RTR)) {  in m_can_read_fifo()
595 		if (fifo_header.dlc & RX_BUF_BRS)  in m_can_read_fifo()
607 	timestamp = FIELD_GET(RX_BUF_RXTS_MASK, fifo_header.dlc) << 16;  in m_can_read_fifo()