253 		struct ethoc_bd *bd)  in ethoc_read_bd()  argument
256 	bd->stat = ethoc_read(dev, offset + 0);  in ethoc_read_bd()
257 	bd->addr = ethoc_read(dev, offset + 4);  in ethoc_read_bd()
261 		const struct ethoc_bd *bd)  in ethoc_write_bd()  argument
264 	ethoc_write(dev, offset + 0, bd->stat);  in ethoc_write_bd()
265 	ethoc_write(dev, offset + 4, bd->addr);  in ethoc_write_bd()
303 	struct ethoc_bd bd;  in ethoc_init_ring()  local
314 	bd.addr = mem_start;  in ethoc_init_ring()
315 	bd.stat = TX_BD_IRQ | TX_BD_CRC;  in ethoc_init_ring()
320 			bd.stat |= TX_BD_WRAP;  in ethoc_init_ring()
322 		ethoc_write_bd(dev, i, &bd);  in ethoc_init_ring()
323 		bd.addr += ETHOC_BUFSIZ;  in ethoc_init_ring()
329 	bd.stat = RX_BD_EMPTY | RX_BD_IRQ;  in ethoc_init_ring()
333 			bd.stat |= RX_BD_WRAP;  in ethoc_init_ring()
335 		ethoc_write_bd(dev, dev->num_tx + i, &bd);  in ethoc_init_ring()
336 		bd.addr += ETHOC_BUFSIZ;  in ethoc_init_ring()
373 		struct ethoc_bd *bd)  in ethoc_update_rx_stats()  argument
378 	if (bd->stat & RX_BD_TL) {  in ethoc_update_rx_stats()
384 	if (bd->stat & RX_BD_SF) {  in ethoc_update_rx_stats()
390 	if (bd->stat & RX_BD_DN) {  in ethoc_update_rx_stats()
395 	if (bd->stat & RX_BD_CRC) {  in ethoc_update_rx_stats()
401 	if (bd->stat & RX_BD_OR) {  in ethoc_update_rx_stats()
407 	if (bd->stat & RX_BD_MISS)  in ethoc_update_rx_stats()
410 	if (bd->stat & RX_BD_LC) {  in ethoc_update_rx_stats()
426 		struct ethoc_bd bd;  in ethoc_rx()  local
429 		ethoc_read_bd(priv, entry, &bd);  in ethoc_rx()
430 		if (bd.stat & RX_BD_EMPTY) {  in ethoc_rx()
439 			ethoc_read_bd(priv, entry, &bd);  in ethoc_rx()
440 			if (bd.stat & RX_BD_EMPTY)  in ethoc_rx()
444 		if (ethoc_update_rx_stats(priv, &bd) == 0) {  in ethoc_rx()
445 			int size = bd.stat >> 16;  in ethoc_rx()
469 		bd.stat &= ~RX_BD_STATS;  in ethoc_rx()
470 		bd.stat |=  RX_BD_EMPTY;  in ethoc_rx()
471 		ethoc_write_bd(priv, entry, &bd);  in ethoc_rx()
479 static void ethoc_update_tx_stats(struct ethoc *dev, struct ethoc_bd *bd)  in ethoc_update_tx_stats()  argument
483 	if (bd->stat & TX_BD_LC) {  in ethoc_update_tx_stats()
488 	if (bd->stat & TX_BD_RL) {  in ethoc_update_tx_stats()
493 	if (bd->stat & TX_BD_UR) {  in ethoc_update_tx_stats()
498 	if (bd->stat & TX_BD_CS) {  in ethoc_update_tx_stats()
503 	if (bd->stat & TX_BD_STATS)  in ethoc_update_tx_stats()
506 	netdev->stats.collisions += (bd->stat >> 4) & 0xf;  in ethoc_update_tx_stats()
507 	netdev->stats.tx_bytes += bd->stat >> 16;  in ethoc_update_tx_stats()
515 	struct ethoc_bd bd;  in ethoc_tx()  local
522 		ethoc_read_bd(priv, entry, &bd);  in ethoc_tx()
524 		if (bd.stat & TX_BD_READY || (priv->dty_tx == priv->cur_tx)) {  in ethoc_tx()
533 			ethoc_read_bd(priv, entry, &bd);  in ethoc_tx()
534 			if (bd.stat & TX_BD_READY ||  in ethoc_tx()
539 		ethoc_update_tx_stats(priv, &bd);  in ethoc_tx()
857 	struct ethoc_bd bd;  in ethoc_start_xmit()  local
875 	ethoc_read_bd(priv, entry, &bd);  in ethoc_start_xmit()
877 		bd.stat |=  TX_BD_PAD;  in ethoc_start_xmit()
879 		bd.stat &= ~TX_BD_PAD;  in ethoc_start_xmit()
884 	bd.stat &= ~(TX_BD_STATS | TX_BD_LEN_MASK);  in ethoc_start_xmit()
885 	bd.stat |= TX_BD_LEN(skb->len);  in ethoc_start_xmit()
886 	ethoc_write_bd(priv, entry, &bd);  in ethoc_start_xmit()
888 	bd.stat |= TX_BD_READY;  in ethoc_start_xmit()
889 	ethoc_write_bd(priv, entry, &bd);  in ethoc_start_xmit()