522 	struct port100_frame *frame = _frame;  in port100_tx_frame_init()  local
524 	frame->preamble = 0;  in port100_tx_frame_init()
525 	frame->start_frame = cpu_to_be16(PORT100_FRAME_SOF);  in port100_tx_frame_init()
526 	frame->extended_frame = cpu_to_be16(PORT100_FRAME_EXT);  in port100_tx_frame_init()
527 	PORT100_FRAME_DIRECTION(frame) = PORT100_FRAME_DIR_OUT;  in port100_tx_frame_init()
528 	PORT100_FRAME_CMD(frame) = cmd_code;  in port100_tx_frame_init()
529 	frame->datalen = cpu_to_le16(2);  in port100_tx_frame_init()
534 	struct port100_frame *frame = _frame;  in port100_tx_frame_finish()  local
536 	frame->datalen_checksum = port100_checksum(le16_to_cpu(frame->datalen));  in port100_tx_frame_finish()
538 	PORT100_FRAME_CHECKSUM(frame) =  in port100_tx_frame_finish()
539 		port100_data_checksum(frame->data, le16_to_cpu(frame->datalen));  in port100_tx_frame_finish()
541 	PORT100_FRAME_POSTAMBLE(frame) = 0;  in port100_tx_frame_finish()
546 	struct port100_frame *frame = _frame;  in port100_tx_update_payload_len()  local
548 	frame->datalen = cpu_to_le16(le16_to_cpu(frame->datalen) + len);  in port100_tx_update_payload_len()
554 	struct port100_frame *frame = _frame;  in port100_rx_frame_is_valid()  local
556 	if (frame->start_frame != cpu_to_be16(PORT100_FRAME_SOF) ||  in port100_rx_frame_is_valid()
557 	    frame->extended_frame != cpu_to_be16(PORT100_FRAME_EXT))  in port100_rx_frame_is_valid()
560 	checksum = port100_checksum(le16_to_cpu(frame->datalen));  in port100_rx_frame_is_valid()
561 	if (checksum != frame->datalen_checksum)  in port100_rx_frame_is_valid()
564 	checksum = port100_data_checksum(frame->data,  in port100_rx_frame_is_valid()
565 					 le16_to_cpu(frame->datalen));  in port100_rx_frame_is_valid()
566 	if (checksum != PORT100_FRAME_CHECKSUM(frame))  in port100_rx_frame_is_valid()
572 static bool port100_rx_frame_is_ack(struct port100_ack_frame *frame)  in port100_rx_frame_is_ack()  argument
574 	return (frame->start_frame == cpu_to_be16(PORT100_FRAME_SOF) &&  in port100_rx_frame_is_ack()
575 		frame->ack_frame == cpu_to_be16(PORT100_FRAME_ACK));  in port100_rx_frame_is_ack()
578 static inline int port100_rx_frame_size(void *frame)  in port100_rx_frame_size()  argument
580 	struct port100_frame *f = frame;  in port100_rx_frame_size()
586 static bool port100_rx_frame_is_cmd_response(struct port100 *dev, void *frame)  in port100_rx_frame_is_cmd_response()  argument
588 	struct port100_frame *f = frame;  in port100_rx_frame_is_cmd_response()