223 	struct bmac_data *bp = netdev_priv(dev);  in bmac_enable_and_reset_chip()  local
224 	volatile struct dbdma_regs __iomem *rd = bp->rx_dma;  in bmac_enable_and_reset_chip()
225 	volatile struct dbdma_regs __iomem *td = bp->tx_dma;  in bmac_enable_and_reset_chip()
232 	pmac_call_feature(PMAC_FTR_BMAC_ENABLE, macio_get_of_node(bp->mdev), 0, 1);  in bmac_enable_and_reset_chip()
307 	struct bmac_data *bp = netdev_priv(dev);  in bmac_init_registers()  local
324 	if (!bp->is_bmac_plus) {  in bmac_init_registers()
366 	for (i=0; i<4; i++) bp->hash_table_mask[i] = 0;  in bmac_init_registers()
367 	bmwrite(dev, BHASH3, bp->hash_table_mask[0]); 	/* bits 15 - 0 */  in bmac_init_registers()
368 	bmwrite(dev, BHASH2, bp->hash_table_mask[1]); 	/* bits 31 - 16 */  in bmac_init_registers()
369 	bmwrite(dev, BHASH1, bp->hash_table_mask[2]); 	/* bits 47 - 32 */  in bmac_init_registers()
370 	bmwrite(dev, BHASH0, bp->hash_table_mask[3]); 	/* bits 63 - 48 */  in bmac_init_registers()
400 	struct bmac_data *bp = netdev_priv(dev);  in bmac_start_chip()  local
401 	volatile struct dbdma_regs __iomem *rd = bp->rx_dma;  in bmac_start_chip()
420 	struct bmac_data *bp = netdev_priv(dev);  in bmac_init_phy()  local
430 	if (bp->is_bmac_plus) {  in bmac_init_phy()
454 	struct bmac_data *bp = netdev_priv(dev);  in bmac_suspend()  local
461 	spin_lock_irqsave(&bp->lock, flags);  in bmac_suspend()
462 	if (bp->timeout_active) {  in bmac_suspend()
463 		timer_delete(&bp->tx_timeout);  in bmac_suspend()
464 		bp->timeout_active = 0;  in bmac_suspend()
467 	disable_irq(bp->tx_dma_intr);  in bmac_suspend()
468 	disable_irq(bp->rx_dma_intr);  in bmac_suspend()
469 	bp->sleeping = 1;  in bmac_suspend()
470 	spin_unlock_irqrestore(&bp->lock, flags);  in bmac_suspend()
471 	if (bp->opened) {  in bmac_suspend()
472 		volatile struct dbdma_regs __iomem *rd = bp->rx_dma;  in bmac_suspend()
473 		volatile struct dbdma_regs __iomem *td = bp->tx_dma;  in bmac_suspend()
485 			if (bp->rx_bufs[i] != NULL) {  in bmac_suspend()
486 				dev_kfree_skb(bp->rx_bufs[i]);  in bmac_suspend()
487 				bp->rx_bufs[i] = NULL;  in bmac_suspend()
491 			if (bp->tx_bufs[i] != NULL) {  in bmac_suspend()
492 		       		dev_kfree_skb(bp->tx_bufs[i]);  in bmac_suspend()
493 	       			bp->tx_bufs[i] = NULL;  in bmac_suspend()
497 	pmac_call_feature(PMAC_FTR_BMAC_ENABLE, macio_get_of_node(bp->mdev), 0, 0);  in bmac_suspend()
504 	struct bmac_data *bp = netdev_priv(dev);  in bmac_resume()  local
507 	if (bp->opened)  in bmac_resume()
511 	enable_irq(bp->tx_dma_intr);  in bmac_resume()
512 	enable_irq(bp->rx_dma_intr);  in bmac_resume()
521 	struct bmac_data *bp = netdev_priv(dev);  in bmac_set_address()  local
526 	spin_lock_irqsave(&bp->lock, flags);  in bmac_set_address()
536 	spin_unlock_irqrestore(&bp->lock, flags);  in bmac_set_address()
543 	struct bmac_data *bp = netdev_priv(dev);  in bmac_set_timeout()  local
546 	spin_lock_irqsave(&bp->lock, flags);  in bmac_set_timeout()
547 	if (bp->timeout_active)  in bmac_set_timeout()
548 		timer_delete(&bp->tx_timeout);  in bmac_set_timeout()
549 	bp->tx_timeout.expires = jiffies + TX_TIMEOUT;  in bmac_set_timeout()
550 	add_timer(&bp->tx_timeout);  in bmac_set_timeout()
551 	bp->timeout_active = 1;  in bmac_set_timeout()
552 	spin_unlock_irqrestore(&bp->lock, flags);  in bmac_set_timeout()
579 bmac_init_tx_ring(struct bmac_data *bp)  in bmac_init_tx_ring()  argument
581 	volatile struct dbdma_regs __iomem *td = bp->tx_dma;  in bmac_init_tx_ring()
583 	memset((char *)bp->tx_cmds, 0, (N_TX_RING+1) * sizeof(struct dbdma_cmd));  in bmac_init_tx_ring()
585 	bp->tx_empty = 0;  in bmac_init_tx_ring()
586 	bp->tx_fill = 0;  in bmac_init_tx_ring()
587 	bp->tx_fullup = 0;  in bmac_init_tx_ring()
590 	dbdma_setcmd(&bp->tx_cmds[N_TX_RING],  in bmac_init_tx_ring()
591 		     (DBDMA_NOP | BR_ALWAYS), 0, 0, virt_to_bus(bp->tx_cmds));  in bmac_init_tx_ring()
596 	out_le32(&td->cmdptr, virt_to_bus(bp->tx_cmds));  in bmac_init_tx_ring()
602 	struct bmac_data *bp = netdev_priv(dev);  in bmac_init_rx_ring()  local
603 	volatile struct dbdma_regs __iomem *rd = bp->rx_dma;  in bmac_init_rx_ring()
608 	memset((char *)bp->rx_cmds, 0,  in bmac_init_rx_ring()
611 		if ((skb = bp->rx_bufs[i]) == NULL) {  in bmac_init_rx_ring()
612 			bp->rx_bufs[i] = skb = netdev_alloc_skb(dev, RX_BUFLEN + 2);  in bmac_init_rx_ring()
616 		bmac_construct_rxbuff(skb, &bp->rx_cmds[i]);  in bmac_init_rx_ring()
619 	bp->rx_empty = 0;  in bmac_init_rx_ring()
620 	bp->rx_fill = i;  in bmac_init_rx_ring()
623 	dbdma_setcmd(&bp->rx_cmds[N_RX_RING],  in bmac_init_rx_ring()
624 		     (DBDMA_NOP | BR_ALWAYS), 0, 0, virt_to_bus(bp->rx_cmds));  in bmac_init_rx_ring()
628 	out_le32(&rd->cmdptr, virt_to_bus(bp->rx_cmds));  in bmac_init_rx_ring()
636 	struct bmac_data *bp = netdev_priv(dev);  in bmac_transmit_packet()  local
637 	volatile struct dbdma_regs __iomem *td = bp->tx_dma;  in bmac_transmit_packet()
642 	/* 	     bp->tx_empty, bp->tx_fill)); */  in bmac_transmit_packet()
643 	i = bp->tx_fill + 1;  in bmac_transmit_packet()
646 	if (i == bp->tx_empty) {  in bmac_transmit_packet()
648 		bp->tx_fullup = 1;  in bmac_transmit_packet()
653 	dbdma_setcmd(&bp->tx_cmds[i], DBDMA_STOP, 0, 0, 0);  in bmac_transmit_packet()
655 	bmac_construct_xmt(skb, &bp->tx_cmds[bp->tx_fill]);  in bmac_transmit_packet()
657 	bp->tx_bufs[bp->tx_fill] = skb;  in bmac_transmit_packet()
658 	bp->tx_fill = i;  in bmac_transmit_packet()
672 	struct bmac_data *bp = netdev_priv(dev);  in bmac_rxdma_intr()  local
673 	volatile struct dbdma_regs __iomem *rd = bp->rx_dma;  in bmac_rxdma_intr()
681 	spin_lock_irqsave(&bp->lock, flags);  in bmac_rxdma_intr()
688 	i = bp->rx_empty;  in bmac_rxdma_intr()
691 		cp = &bp->rx_cmds[i];  in bmac_rxdma_intr()
702 			skb = bp->rx_bufs[i];  in bmac_rxdma_intr()
703 			bp->rx_bufs[i] = NULL;  in bmac_rxdma_intr()
715 		if ((skb = bp->rx_bufs[i]) == NULL) {  in bmac_rxdma_intr()
716 			bp->rx_bufs[i] = skb = netdev_alloc_skb(dev, RX_BUFLEN + 2);  in bmac_rxdma_intr()
718 				skb_reserve(bp->rx_bufs[i], 2);  in bmac_rxdma_intr()
720 		bmac_construct_rxbuff(skb, &bp->rx_cmds[i]);  in bmac_rxdma_intr()
728 		bp->rx_fill = last;  in bmac_rxdma_intr()
729 		bp->rx_empty = i;  in bmac_rxdma_intr()
733 	spin_unlock_irqrestore(&bp->lock, flags);  in bmac_rxdma_intr()
746 	struct bmac_data *bp = netdev_priv(dev);  in bmac_txdma_intr()  local
751 	spin_lock_irqsave(&bp->lock, flags);  in bmac_txdma_intr()
757 	/*     timer_delete(&bp->tx_timeout); */  in bmac_txdma_intr()
758 	/*     bp->timeout_active = 0; */  in bmac_txdma_intr()
761 		cp = &bp->tx_cmds[bp->tx_empty];  in bmac_txdma_intr()
770 			if (cp == bus_to_virt(in_le32(&bp->tx_dma->cmdptr)))  in bmac_txdma_intr()
774 		if (bp->tx_bufs[bp->tx_empty]) {  in bmac_txdma_intr()
776 			dev_consume_skb_irq(bp->tx_bufs[bp->tx_empty]);  in bmac_txdma_intr()
778 		bp->tx_bufs[bp->tx_empty] = NULL;  in bmac_txdma_intr()
779 		bp->tx_fullup = 0;  in bmac_txdma_intr()
781 		if (++bp->tx_empty >= N_TX_RING)  in bmac_txdma_intr()
782 			bp->tx_empty = 0;  in bmac_txdma_intr()
783 		if (bp->tx_empty == bp->tx_fill)  in bmac_txdma_intr()
787 	spin_unlock_irqrestore(&bp->lock, flags);  in bmac_txdma_intr()
804 bmac_addhash(struct bmac_data *bp, unsigned char *addr)  in bmac_addhash()  argument
811 	if (bp->hash_use_count[crc]++) return; /* This bit is already set */  in bmac_addhash()
814 	bp->hash_use_count[crc/16] |= mask;  in bmac_addhash()
818 bmac_removehash(struct bmac_data *bp, unsigned char *addr)  in bmac_removehash()  argument
825 	if (bp->hash_use_count[crc] == 0) return; /* That bit wasn't in use! */  in bmac_removehash()
826 	if (--bp->hash_use_count[crc]) return; /* That bit is still in use */  in bmac_removehash()
829 	bp->hash_table_mask[crc/16] &= mask;  in bmac_removehash()
869 bmac_update_hash_table_mask(struct net_device *dev, struct bmac_data *bp)  in bmac_update_hash_table_mask()  argument
871 	bmwrite(dev, BHASH3, bp->hash_table_mask[0]); /* bits 15 - 0 */  in bmac_update_hash_table_mask()
872 	bmwrite(dev, BHASH2, bp->hash_table_mask[1]); /* bits 31 - 16 */  in bmac_update_hash_table_mask()
873 	bmwrite(dev, BHASH1, bp->hash_table_mask[2]); /* bits 47 - 32 */  in bmac_update_hash_table_mask()
874 	bmwrite(dev, BHASH0, bp->hash_table_mask[3]); /* bits 63 - 48 */  in bmac_update_hash_table_mask()
880 	       struct bmac_data *bp, unsigned char *addr)
883 	bmac_addhash(bp, addr);
885 	bmac_update_hash_table_mask(dev, bp);
892 		  struct bmac_data *bp, unsigned char *addr)
894 	bmac_removehash(bp, addr);
896 	bmac_update_hash_table_mask(dev, bp);
910 	struct bmac_data *bp = netdev_priv(dev);  in bmac_set_multicast()  local
915 	if (bp->sleeping)  in bmac_set_multicast()
921 		for (i=0; i<4; i++) bp->hash_table_mask[i] = 0xffff;  in bmac_set_multicast()
922 		bmac_update_hash_table_mask(dev, bp);  in bmac_set_multicast()
932 		for (i=0; i<4; i++) bp->hash_table_mask[i] = 0;  in bmac_set_multicast()
933 		for (i=0; i<64; i++) bp->hash_use_count[i] = 0;  in bmac_set_multicast()
939 				bmac_addhash(bp, ha->addr);  in bmac_set_multicast()
940 			bmac_update_hash_table_mask(dev, bp);  in bmac_set_multicast()
1136 	struct bmac_data *bp = netdev_priv(dev);  in bmac_reset_and_enable()  local
1141 	spin_lock_irqsave(&bp->lock, flags);  in bmac_reset_and_enable()
1143 	bmac_init_tx_ring(bp);  in bmac_reset_and_enable()
1148 	bp->sleeping = 0;  in bmac_reset_and_enable()
1161 	spin_unlock_irqrestore(&bp->lock, flags);  in bmac_reset_and_enable()
1180 	struct bmac_data *bp;  in bmac_probe()  local
1207 	bp = netdev_priv(dev);  in bmac_probe()
1211 	bp->mdev = mdev;  in bmac_probe()
1212 	spin_lock_init(&bp->lock);  in bmac_probe()
1246 	bp->is_bmac_plus = is_bmac_plus;  in bmac_probe()
1247 	bp->tx_dma = ioremap(macio_resource_start(mdev, 1), macio_resource_len(mdev, 1));  in bmac_probe()
1248 	if (!bp->tx_dma)  in bmac_probe()
1250 	bp->tx_dma_intr = macio_irq(mdev, 1);  in bmac_probe()
1251 	bp->rx_dma = ioremap(macio_resource_start(mdev, 2), macio_resource_len(mdev, 2));  in bmac_probe()
1252 	if (!bp->rx_dma)  in bmac_probe()
1254 	bp->rx_dma_intr = macio_irq(mdev, 2);  in bmac_probe()
1256 	bp->tx_cmds = (volatile struct dbdma_cmd *) DBDMA_ALIGN(bp + 1);  in bmac_probe()
1257 	bp->rx_cmds = bp->tx_cmds + N_TX_RING + 1;  in bmac_probe()
1259 	bp->queue = (struct sk_buff_head *)(bp->rx_cmds + N_RX_RING + 1);  in bmac_probe()
1260 	skb_queue_head_init(bp->queue);  in bmac_probe()
1262 	timer_setup(&bp->tx_timeout, bmac_tx_timeout, 0);  in bmac_probe()
1269 	ret = request_irq(bp->tx_dma_intr, bmac_txdma_intr, 0, "BMAC-txdma", dev);  in bmac_probe()
1271 		printk(KERN_ERR "BMAC: can't get irq %d\n", bp->tx_dma_intr);  in bmac_probe()
1274 	ret = request_irq(bp->rx_dma_intr, bmac_rxdma_intr, 0, "BMAC-rxdma", dev);  in bmac_probe()
1276 		printk(KERN_ERR "BMAC: can't get irq %d\n", bp->rx_dma_intr);  in bmac_probe()
1283 	pmac_call_feature(PMAC_FTR_BMAC_ENABLE, macio_get_of_node(bp->mdev), 0, 0);  in bmac_probe()
1298 	free_irq(bp->rx_dma_intr, dev);  in bmac_probe()
1300 	free_irq(bp->tx_dma_intr, dev);  in bmac_probe()
1304 	iounmap(bp->rx_dma);  in bmac_probe()
1306 	iounmap(bp->tx_dma);  in bmac_probe()
1312 	pmac_call_feature(PMAC_FTR_BMAC_ENABLE, macio_get_of_node(bp->mdev), 0, 0);  in bmac_probe()
1320 	struct bmac_data *bp = netdev_priv(dev);  in bmac_open()  local
1323 	bp->opened = 1;  in bmac_open()
1331 	struct bmac_data *bp = netdev_priv(dev);  in bmac_close()  local
1332 	volatile struct dbdma_regs __iomem *rd = bp->rx_dma;  in bmac_close()
1333 	volatile struct dbdma_regs __iomem *td = bp->tx_dma;  in bmac_close()
1337 	bp->sleeping = 1;  in bmac_close()
1355 		if (bp->rx_bufs[i] != NULL) {  in bmac_close()
1356 			dev_kfree_skb(bp->rx_bufs[i]);  in bmac_close()
1357 			bp->rx_bufs[i] = NULL;  in bmac_close()
1362 		if (bp->tx_bufs[i] != NULL) {  in bmac_close()
1363 			dev_kfree_skb(bp->tx_bufs[i]);  in bmac_close()
1364 			bp->tx_bufs[i] = NULL;  in bmac_close()
1369 	bp->opened = 0;  in bmac_close()
1371 	pmac_call_feature(PMAC_FTR_BMAC_ENABLE, macio_get_of_node(bp->mdev), 0, 0);  in bmac_close()
1379 	struct bmac_data *bp = netdev_priv(dev);  in bmac_start()  local
1384 	if (bp->sleeping)  in bmac_start()
1387 	spin_lock_irqsave(&bp->lock, flags);  in bmac_start()
1389 		i = bp->tx_fill + 1;  in bmac_start()
1392 		if (i == bp->tx_empty)  in bmac_start()
1394 		skb = skb_dequeue(bp->queue);  in bmac_start()
1399 	spin_unlock_irqrestore(&bp->lock, flags);  in bmac_start()
1405 	struct bmac_data *bp = netdev_priv(dev);  in bmac_output()  local
1406 	skb_queue_tail(bp->queue, skb);  in bmac_output()
1413 	struct bmac_data *bp = timer_container_of(bp, t, tx_timeout);  in bmac_tx_timeout()  local
1414 	struct net_device *dev = macio_get_drvdata(bp->mdev);  in bmac_tx_timeout()
1415 	volatile struct dbdma_regs __iomem *td = bp->tx_dma;  in bmac_tx_timeout()
1416 	volatile struct dbdma_regs __iomem *rd = bp->rx_dma;  in bmac_tx_timeout()
1423 	spin_lock_irqsave(&bp->lock, flags);  in bmac_tx_timeout()
1424 	bp->timeout_active = 0;  in bmac_tx_timeout()
1427 /*     	bmac_handle_misc_intrs(bp, 0); */  in bmac_tx_timeout()
1429 	cp = &bp->tx_cmds[bp->tx_empty];  in bmac_tx_timeout()
1431 /* 	   le32_to_cpu(td->status), le16_to_cpu(cp->xfer_status), bp->tx_bad_runt, */  in bmac_tx_timeout()
1452 		 bp->tx_empty, bp->tx_fill, bp->tx_fullup));  in bmac_tx_timeout()
1453 	i = bp->tx_empty;  in bmac_tx_timeout()
1455 	if (i != bp->tx_fill) {  in bmac_tx_timeout()
1456 		dev_kfree_skb_irq(bp->tx_bufs[i]);  in bmac_tx_timeout()
1457 		bp->tx_bufs[i] = NULL;  in bmac_tx_timeout()
1459 		bp->tx_empty = i;  in bmac_tx_timeout()
1461 	bp->tx_fullup = 0;  in bmac_tx_timeout()
1463 	if (i != bp->tx_fill) {  in bmac_tx_timeout()
1464 		cp = &bp->tx_cmds[i];  in bmac_tx_timeout()
1479 	spin_unlock_irqrestore(&bp->lock, flags);  in bmac_tx_timeout()
1540 	struct bmac_data *bp = netdev_priv(dev);  in bmac_remove()  local
1545 	free_irq(bp->tx_dma_intr, dev);  in bmac_remove()
1546 	free_irq(bp->rx_dma_intr, dev);  in bmac_remove()
1549 	iounmap(bp->tx_dma);  in bmac_remove()
1550 	iounmap(bp->rx_dma);  in bmac_remove()