32 #define MCTP_SERIAL_VERSION	0x1 /* DSP0253 defines a single version: 1 */
36 #define BYTE_FRAME		0x7e
37 #define BYTE_ESC		0x7d
39 #define FCS_INIT		0xffff
83 		return 0;  in next_chunk_len()
122 		dev->txpos = 0;  in mctp_serial_tx_work()
125 		buf[0] = BYTE_FRAME;  in mctp_serial_tx_work()
133 		if (txlen <= 0) {  in mctp_serial_tx_work()
139 				dev->txpos = 0;  in mctp_serial_tx_work()
145 		buf[0] = dev->txbuf[dev->txpos] & ~0x20;  in mctp_serial_tx_work()
147 		if (txlen <= 0) {  in mctp_serial_tx_work()
153 				dev->txpos = 0;  in mctp_serial_tx_work()
164 				buf[0] = BYTE_ESC;  in mctp_serial_tx_work()
165 				buf[1] = c & ~0x20;  in mctp_serial_tx_work()
178 				if (txlen <= 0) {  in mctp_serial_tx_work()
191 				dev->txpos = 0;  in mctp_serial_tx_work()
196 		dev->txpos = 0;  in mctp_serial_tx_work()
200 		buf[0] = dev->txfcs >> 8;  in mctp_serial_tx_work()
201 		buf[1] = dev->txfcs & 0xff;  in mctp_serial_tx_work()
204 		if (txlen <= 0) {  in mctp_serial_tx_work()
210 				dev->txpos = 0;  in mctp_serial_tx_work()
222 		dev->txlen = 0;  in mctp_serial_tx_work()
223 		dev->txpos = 0;  in mctp_serial_tx_work()
248 	skb_copy_bits(skb, 0, dev->txbuf, skb->len);  in mctp_serial_tx()
249 	dev->txpos = 0;  in mctp_serial_tx()
291 	cb->halen = 0;  in mctp_serial_rx()
301 	case 0:  in mctp_serial_push_header()
320 			dev->rxpos = 0;  in mctp_serial_push_header()
331 	case 0:  in mctp_serial_push_trailer()
344 			dev->rxlen = 0;  in mctp_serial_push_trailer()
345 			dev->rxpos = 0;  in mctp_serial_push_trailer()
363 		c |= 0x20;  in mctp_serial_push()
374 				dev->rxpos = 0;  in mctp_serial_push()
405 	for (i = 0; i < len; i++)  in mctp_serial_tty_receive_buf()
432 	ndev->hard_header_len = 0;  in mctp_serial_setup()
433 	ndev->addr_len = 0;  in mctp_serial_setup()
454 	if (idx < 0)  in mctp_serial_open()
481 	return 0;  in mctp_serial_open()
545 	memset(dev, 0x0, sizeof(*dev));  in test_next_chunk_len()
549 	for (size_t i = 0; i < MAX_CHUNKS; i++) {  in test_next_chunk_len()
554 		if (next == 0) {  in test_next_chunk_len()
566 		.input = { 0x00, 0x11, 0x22, 0x7e, 0x80 },
567 		.chunks = { 3, 1, 1, 0},
571 		.input = { 0x00, 0x11, 0x22, 0x7e, 0x7d },
572 		.chunks = { 3, 1, 1, 0},
576 		.input = { 0x7e, 0x11, 0x22, },
577 		.chunks = { 1, 2, 0},
581 		.input = { 0x7e, 0x7e, 0x7d, },
582 		.chunks = { 1, 1, 1, 0},
586 		.input = { 0x7e, 0x7e, 0x00, 0x7d, },
587 		.chunks = { 1, 1, 1, 1, 0},
591 		.input = { 0x7e, 0x7e, 0x00, 0x7d, 0x10, 0x10},
592 		.chunks = { 1, 1, 1, 1, 2, 0},
596 		.input = { 0x7e },
597 		.chunks = { 1, 0 },
601 		.input = { 0x80 },
602 		.chunks = { 1, 0 },
606 		.input = { 0x80, 0x80, 0x00 },
607 		.chunks = { 3, 0 },
611 		.input = { 0x01, 0x00, 0x08, 0xc8, 0x00, 0x80, 0x02 },
612 		.chunks = { 7, 0 },
616 		.input = { 0x01, 0x00, 0x08, 0xc8, 0x7e, 0x80, 0x02 },
617 		.chunks = { 4, 1, 2, 0 },