400 	struct sis190_private *tp = netdev_priv(dev);  in __mdio_write()  local
402 	mdio_write(tp->mmio_addr, phy_id, reg, val);  in __mdio_write()
407 	struct sis190_private *tp = netdev_priv(dev);  in __mdio_read()  local
409 	return mdio_read(tp->mmio_addr, phy_id, reg);  in __mdio_read()
487 static struct sk_buff *sis190_alloc_rx_skb(struct sis190_private *tp,  in sis190_alloc_rx_skb()  argument
490 	u32 rx_buf_sz = tp->rx_buf_sz;  in sis190_alloc_rx_skb()
494 	skb = netdev_alloc_skb(tp->dev, rx_buf_sz);  in sis190_alloc_rx_skb()
497 	mapping = pci_map_single(tp->pci_dev, skb->data, tp->rx_buf_sz,  in sis190_alloc_rx_skb()
499 	if (pci_dma_mapping_error(tp->pci_dev, mapping))  in sis190_alloc_rx_skb()
512 static u32 sis190_rx_fill(struct sis190_private *tp, struct net_device *dev,  in sis190_rx_fill()  argument
520 		if (tp->Rx_skbuff[i])  in sis190_rx_fill()
523 		tp->Rx_skbuff[i] = sis190_alloc_rx_skb(tp, tp->RxDescRing + i);  in sis190_rx_fill()
525 		if (!tp->Rx_skbuff[i])  in sis190_rx_fill()
531 static bool sis190_try_rx_copy(struct sis190_private *tp,  in sis190_try_rx_copy()  argument
541 	skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);  in sis190_try_rx_copy()
545 	pci_dma_sync_single_for_cpu(tp->pci_dev, addr, tp->rx_buf_sz,  in sis190_try_rx_copy()
575 			       struct sis190_private *tp, void __iomem *ioaddr)  in sis190_rx_interrupt()  argument
578 	u32 rx_left, cur_rx = tp->cur_rx;  in sis190_rx_interrupt()
581 	rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;  in sis190_rx_interrupt()
586 		struct RxDesc *desc = tp->RxDescRing + entry;  in sis190_rx_interrupt()
597 			sis190_give_to_asic(desc, tp->rx_buf_sz);  in sis190_rx_interrupt()
599 			struct sk_buff *skb = tp->Rx_skbuff[entry];  in sis190_rx_interrupt()
602 			struct pci_dev *pdev = tp->pci_dev;  in sis190_rx_interrupt()
604 			if (unlikely(pkt_size > tp->rx_buf_sz)) {  in sis190_rx_interrupt()
605 				netif_info(tp, intr, dev,  in sis190_rx_interrupt()
609 				sis190_give_to_asic(desc, tp->rx_buf_sz);  in sis190_rx_interrupt()
614 			if (sis190_try_rx_copy(tp, &skb, pkt_size, addr)) {  in sis190_rx_interrupt()
616 					tp->rx_buf_sz, PCI_DMA_FROMDEVICE);  in sis190_rx_interrupt()
617 				sis190_give_to_asic(desc, tp->rx_buf_sz);  in sis190_rx_interrupt()
619 				pci_unmap_single(pdev, addr, tp->rx_buf_sz,  in sis190_rx_interrupt()
621 				tp->Rx_skbuff[entry] = NULL;  in sis190_rx_interrupt()
636 	count = cur_rx - tp->cur_rx;  in sis190_rx_interrupt()
637 	tp->cur_rx = cur_rx;  in sis190_rx_interrupt()
639 	delta = sis190_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx);  in sis190_rx_interrupt()
641 		netif_info(tp, intr, dev, "no Rx buffer allocated\n");  in sis190_rx_interrupt()
642 	tp->dirty_rx += delta;  in sis190_rx_interrupt()
644 	if ((tp->dirty_rx + NUM_RX_DESC) == tp->cur_rx)  in sis190_rx_interrupt()
645 		netif_emerg(tp, intr, dev, "Rx buffers exhausted\n");  in sis190_rx_interrupt()
684 				struct sis190_private *tp, void __iomem *ioaddr)  in sis190_tx_interrupt()  argument
687 	u32 pending, dirty_tx = tp->dirty_tx;  in sis190_tx_interrupt()
695 	pending = tp->cur_tx - dirty_tx;  in sis190_tx_interrupt()
700 		struct TxDesc *txd = tp->TxDescRing + entry;  in sis190_tx_interrupt()
707 		skb = tp->Tx_skbuff[entry];  in sis190_tx_interrupt()
715 		sis190_unmap_tx_skb(tp->pci_dev, skb, txd);  in sis190_tx_interrupt()
716 		tp->Tx_skbuff[entry] = NULL;  in sis190_tx_interrupt()
720 	if (tp->dirty_tx != dirty_tx) {  in sis190_tx_interrupt()
721 		tp->dirty_tx = dirty_tx;  in sis190_tx_interrupt()
735 	struct sis190_private *tp = netdev_priv(dev);  in sis190_irq()  local
736 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_irq()
757 		netif_info(tp, intr, dev, "link change\n");  in sis190_irq()
758 		del_timer(&tp->timer);  in sis190_irq()
759 		schedule_work(&tp->phy_task);  in sis190_irq()
763 		sis190_rx_interrupt(dev, tp, ioaddr);  in sis190_irq()
766 		sis190_tx_interrupt(dev, tp, ioaddr);  in sis190_irq()
774 	struct sis190_private *tp = netdev_priv(dev);  in sis190_netpoll()  local
775 	const int irq = tp->pci_dev->irq;  in sis190_netpoll()
783 static void sis190_free_rx_skb(struct sis190_private *tp,  in sis190_free_rx_skb()  argument
786 	struct pci_dev *pdev = tp->pci_dev;  in sis190_free_rx_skb()
788 	pci_unmap_single(pdev, le32_to_cpu(desc->addr), tp->rx_buf_sz,  in sis190_free_rx_skb()
795 static void sis190_rx_clear(struct sis190_private *tp)  in sis190_rx_clear()  argument
800 		if (!tp->Rx_skbuff[i])  in sis190_rx_clear()
802 		sis190_free_rx_skb(tp, tp->Rx_skbuff + i, tp->RxDescRing + i);  in sis190_rx_clear()
806 static void sis190_init_ring_indexes(struct sis190_private *tp)  in sis190_init_ring_indexes()  argument
808 	tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;  in sis190_init_ring_indexes()
813 	struct sis190_private *tp = netdev_priv(dev);  in sis190_init_ring()  local
815 	sis190_init_ring_indexes(tp);  in sis190_init_ring()
817 	memset(tp->Tx_skbuff, 0x0, NUM_TX_DESC * sizeof(struct sk_buff *));  in sis190_init_ring()
818 	memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *));  in sis190_init_ring()
820 	if (sis190_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC)  in sis190_init_ring()
823 	sis190_mark_as_last_descriptor(tp->RxDescRing + NUM_RX_DESC - 1);  in sis190_init_ring()
828 	sis190_rx_clear(tp);  in sis190_init_ring()
834 	struct sis190_private *tp = netdev_priv(dev);  in sis190_set_rx_mode()  local
835 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_set_rx_mode()
863 	spin_lock_irqsave(&tp->lock, flags);  in sis190_set_rx_mode()
869 	spin_unlock_irqrestore(&tp->lock, flags);  in sis190_set_rx_mode()
882 	struct sis190_private *tp = netdev_priv(dev);  in sis190_hw_start()  local
883 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_hw_start()
887 	SIS_W32(TxDescStartAddr, tp->tx_dma);  in sis190_hw_start()
888 	SIS_W32(RxDescStartAddr, tp->rx_dma);  in sis190_hw_start()
915 	struct sis190_private *tp =  in sis190_phy_task()  local
917 	struct net_device *dev = tp->dev;  in sis190_phy_task()
918 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_phy_task()
919 	int phy_id = tp->mii_if.phy_id;  in sis190_phy_task()
930 		mod_timer(&tp->timer, jiffies + HZ/10);  in sis190_phy_task()
935 	if (!(val & BMSR_ANEGCOMPLETE) && tp->link_status != LNK_AUTONEG) {  in sis190_phy_task()
937 		netif_warn(tp, link, dev, "auto-negotiating...\n");  in sis190_phy_task()
938 		tp->link_status = LNK_AUTONEG;  in sis190_phy_task()
939 	} else if ((val & BMSR_LSTATUS) && tp->link_status != LNK_ON) {  in sis190_phy_task()
963 		netif_info(tp, link, dev, "mii ext = %04x\n", val);  in sis190_phy_task()
968 		netif_info(tp, link, dev, "mii lpa=%04x adv=%04x exp=%04x\n",  in sis190_phy_task()
992 		if ((tp->features & F_HAS_RGMII) &&  in sis190_phy_task()
993 		    (tp->features & F_PHY_BCM5461)) {  in sis190_phy_task()
1003 		if (tp->features & F_HAS_RGMII) {  in sis190_phy_task()
1008 		tp->negotiated_lpa = p->val;  in sis190_phy_task()
1010 		netif_info(tp, link, dev, "link on %s mode\n", p->msg);  in sis190_phy_task()
1012 		tp->link_status = LNK_ON;  in sis190_phy_task()
1013 	} else if (!(val & BMSR_LSTATUS) && tp->link_status != LNK_AUTONEG)  in sis190_phy_task()
1014 		tp->link_status = LNK_OFF;  in sis190_phy_task()
1015 	mod_timer(&tp->timer, jiffies + SIS190_PHY_TIMEOUT);  in sis190_phy_task()
1024 	struct sis190_private *tp = netdev_priv(dev);  in sis190_phy_timer()  local
1027 		schedule_work(&tp->phy_task);  in sis190_phy_timer()
1032 	struct sis190_private *tp = netdev_priv(dev);  in sis190_delete_timer()  local
1034 	del_timer_sync(&tp->timer);  in sis190_delete_timer()
1039 	struct sis190_private *tp = netdev_priv(dev);  in sis190_request_timer()  local
1040 	struct timer_list *timer = &tp->timer;  in sis190_request_timer()
1049 static void sis190_set_rxbufsize(struct sis190_private *tp,  in sis190_set_rxbufsize()  argument
1054 	tp->rx_buf_sz = (mtu > RX_BUF_SIZE) ? mtu + ETH_HLEN + 8 : RX_BUF_SIZE;  in sis190_set_rxbufsize()
1056 	if (tp->rx_buf_sz & 0x07) {  in sis190_set_rxbufsize()
1057 		tp->rx_buf_sz += 8;  in sis190_set_rxbufsize()
1058 		tp->rx_buf_sz &= RX_BUF_MASK;  in sis190_set_rxbufsize()
1064 	struct sis190_private *tp = netdev_priv(dev);  in sis190_open()  local
1065 	struct pci_dev *pdev = tp->pci_dev;  in sis190_open()
1068 	sis190_set_rxbufsize(tp, dev);  in sis190_open()
1074 	tp->TxDescRing = pci_alloc_consistent(pdev, TX_RING_BYTES, &tp->tx_dma);  in sis190_open()
1075 	if (!tp->TxDescRing)  in sis190_open()
1078 	tp->RxDescRing = pci_alloc_consistent(pdev, RX_RING_BYTES, &tp->rx_dma);  in sis190_open()
1079 	if (!tp->RxDescRing)  in sis190_open()
1098 	sis190_rx_clear(tp);  in sis190_open()
1100 	pci_free_consistent(pdev, RX_RING_BYTES, tp->RxDescRing, tp->rx_dma);  in sis190_open()
1102 	pci_free_consistent(pdev, TX_RING_BYTES, tp->TxDescRing, tp->tx_dma);  in sis190_open()
1106 static void sis190_tx_clear(struct sis190_private *tp)  in sis190_tx_clear()  argument
1111 		struct sk_buff *skb = tp->Tx_skbuff[i];  in sis190_tx_clear()
1116 		sis190_unmap_tx_skb(tp->pci_dev, skb, tp->TxDescRing + i);  in sis190_tx_clear()
1117 		tp->Tx_skbuff[i] = NULL;  in sis190_tx_clear()
1120 		tp->dev->stats.tx_dropped++;  in sis190_tx_clear()
1122 	tp->cur_tx = tp->dirty_tx = 0;  in sis190_tx_clear()
1127 	struct sis190_private *tp = netdev_priv(dev);  in sis190_down()  local
1128 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_down()
1136 		spin_lock_irq(&tp->lock);  in sis190_down()
1140 		spin_unlock_irq(&tp->lock);  in sis190_down()
1142 		synchronize_irq(tp->pci_dev->irq);  in sis190_down()
1151 	sis190_tx_clear(tp);  in sis190_down()
1152 	sis190_rx_clear(tp);  in sis190_down()
1157 	struct sis190_private *tp = netdev_priv(dev);  in sis190_close()  local
1158 	struct pci_dev *pdev = tp->pci_dev;  in sis190_close()
1164 	pci_free_consistent(pdev, TX_RING_BYTES, tp->TxDescRing, tp->tx_dma);  in sis190_close()
1165 	pci_free_consistent(pdev, RX_RING_BYTES, tp->RxDescRing, tp->rx_dma);  in sis190_close()
1167 	tp->TxDescRing = NULL;  in sis190_close()
1168 	tp->RxDescRing = NULL;  in sis190_close()
1176 	struct sis190_private *tp = netdev_priv(dev);  in sis190_start_xmit()  local
1177 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_start_xmit()
1192 	entry = tp->cur_tx % NUM_TX_DESC;  in sis190_start_xmit()
1193 	desc = tp->TxDescRing + entry;  in sis190_start_xmit()
1197 		netif_err(tp, tx_err, dev,  in sis190_start_xmit()
1202 	mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE);  in sis190_start_xmit()
1203 	if (pci_dma_mapping_error(tp->pci_dev, mapping)) {  in sis190_start_xmit()
1204 		netif_err(tp, tx_err, dev,  in sis190_start_xmit()
1209 	tp->Tx_skbuff[entry] = skb;  in sis190_start_xmit()
1221 	if (tp->negotiated_lpa & (LPA_1000HALF | LPA_100HALF | LPA_10HALF)) {  in sis190_start_xmit()
1224 		if (tp->negotiated_lpa & (LPA_1000HALF | LPA_1000FULL))  in sis190_start_xmit()
1228 	tp->cur_tx++;  in sis190_start_xmit()
1234 	dirty_tx = tp->dirty_tx;  in sis190_start_xmit()
1235 	if ((tp->cur_tx - NUM_TX_DESC) == dirty_tx) {  in sis190_start_xmit()
1238 		if (dirty_tx != tp->dirty_tx)  in sis190_start_xmit()
1265 	struct sis190_private *tp = netdev_priv(dev);  in sis190_default_phy()  local
1266 	struct mii_if_info *mii_if = &tp->mii_if;  in sis190_default_phy()
1267 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_default_phy()
1272 	list_for_each_entry(phy, &tp->first_phy, list) {  in sis190_default_phy()
1297 			phy_default = list_first_entry(&tp->first_phy,  in sis190_default_phy()
1303 		if (netif_msg_probe(tp))  in sis190_default_phy()
1305 				pci_name(tp->pci_dev), mii_if->phy_id);  in sis190_default_phy()
1317 static void sis190_init_phy(struct net_device *dev, struct sis190_private *tp,  in sis190_init_phy()  argument
1321 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_init_phy()
1342 		tp->features |= p->feature;  in sis190_init_phy()
1343 		if (netif_msg_probe(tp))  in sis190_init_phy()
1345 				pci_name(tp->pci_dev), p->name, phy_id);  in sis190_init_phy()
1348 		if (netif_msg_probe(tp))  in sis190_init_phy()
1350 				pci_name(tp->pci_dev),  in sis190_init_phy()
1355 static void sis190_mii_probe_88e1111_fixup(struct sis190_private *tp)  in sis190_mii_probe_88e1111_fixup()  argument
1357 	if (tp->features & F_PHY_88E1111) {  in sis190_mii_probe_88e1111_fixup()
1358 		void __iomem *ioaddr = tp->mmio_addr;  in sis190_mii_probe_88e1111_fixup()
1359 		int phy_id = tp->mii_if.phy_id;  in sis190_mii_probe_88e1111_fixup()
1365 		p = (tp->features & F_HAS_RGMII) ? reg[0] : reg[1];  in sis190_mii_probe_88e1111_fixup()
1384 	struct sis190_private *tp = netdev_priv(dev);  in sis190_mii_probe()  local
1385 	struct mii_if_info *mii_if = &tp->mii_if;  in sis190_mii_probe()
1386 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_mii_probe()
1390 	INIT_LIST_HEAD(&tp->first_phy);  in sis190_mii_probe()
1404 			sis190_free_phy(&tp->first_phy);  in sis190_mii_probe()
1409 		sis190_init_phy(dev, tp, phy, phy_id, status);  in sis190_mii_probe()
1411 		list_add(&tp->first_phy, &phy->list);  in sis190_mii_probe()
1414 	if (list_empty(&tp->first_phy)) {  in sis190_mii_probe()
1415 		if (netif_msg_probe(tp))  in sis190_mii_probe()
1417 				pci_name(tp->pci_dev));  in sis190_mii_probe()
1425 	sis190_mii_probe_88e1111_fixup(tp);  in sis190_mii_probe()
1438 	struct sis190_private *tp = netdev_priv(dev);  in sis190_mii_remove()  local
1440 	sis190_free_phy(&tp->first_phy);  in sis190_mii_remove()
1446 	struct sis190_private *tp = netdev_priv(dev);  in sis190_release_board()  local
1448 	iounmap(tp->mmio_addr);  in sis190_release_board()
1456 	struct sis190_private *tp;  in sis190_init_board()  local
1461 	dev = alloc_etherdev(sizeof(*tp));  in sis190_init_board()
1469 	tp = netdev_priv(dev);  in sis190_init_board()
1470 	tp->dev = dev;  in sis190_init_board()
1471 	tp->msg_enable = netif_msg_init(debug.msg_enable, SIS190_MSG_DEFAULT);  in sis190_init_board()
1475 		if (netif_msg_probe(tp))  in sis190_init_board()
1483 		if (netif_msg_probe(tp))  in sis190_init_board()
1489 		if (netif_msg_probe(tp))  in sis190_init_board()
1497 		if (netif_msg_probe(tp))  in sis190_init_board()
1505 		if (netif_msg_probe(tp))  in sis190_init_board()
1515 		if (netif_msg_probe(tp))  in sis190_init_board()
1522 	tp->pci_dev = pdev;  in sis190_init_board()
1523 	tp->mmio_addr = ioaddr;  in sis190_init_board()
1524 	tp->link_status = LNK_OFF;  in sis190_init_board()
1545 	struct sis190_private *tp = netdev_priv(dev);  in sis190_tx_timeout()  local
1546 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_tx_timeout()
1554 	netif_info(tp, tx_err, dev, "Transmit timeout, status %08x %08x\n",  in sis190_tx_timeout()
1561 	spin_lock_irq(&tp->lock);  in sis190_tx_timeout()
1562 	sis190_tx_clear(tp);  in sis190_tx_timeout()
1563 	spin_unlock_irq(&tp->lock);  in sis190_tx_timeout()
1571 static void sis190_set_rgmii(struct sis190_private *tp, u8 reg)  in sis190_set_rgmii()  argument
1573 	tp->features |= (reg & 0x80) ? F_HAS_RGMII : 0;  in sis190_set_rgmii()
1579 	struct sis190_private *tp = netdev_priv(dev);  in sis190_get_mac_addr_from_eeprom()  local
1580 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_get_mac_addr_from_eeprom()
1584 	if (netif_msg_probe(tp))  in sis190_get_mac_addr_from_eeprom()
1591 		if (netif_msg_probe(tp))  in sis190_get_mac_addr_from_eeprom()
1604 	sis190_set_rgmii(tp, sis190_read_eeprom(ioaddr, EEPROMInfo));  in sis190_get_mac_addr_from_eeprom()
1622 	struct sis190_private *tp = netdev_priv(dev);  in sis190_get_mac_addr_from_apc()  local
1627 	if (netif_msg_probe(tp))  in sis190_get_mac_addr_from_apc()
1637 		if (netif_msg_probe(tp))  in sis190_get_mac_addr_from_apc()
1658 	sis190_set_rgmii(tp, reg);  in sis190_get_mac_addr_from_apc()
1676 	struct sis190_private *tp = netdev_priv(dev);  in sis190_init_rxfilter()  local
1677 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_init_rxfilter()
1714 	struct sis190_private *tp = netdev_priv(dev);  in sis190_set_speed_auto()  local
1715 	void __iomem *ioaddr = tp->mmio_addr;  in sis190_set_speed_auto()
1716 	int phy_id = tp->mii_if.phy_id;  in sis190_set_speed_auto()
1719 	netif_info(tp, link, dev, "Enabling Auto-negotiation\n");  in sis190_set_speed_auto()
1739 	struct sis190_private *tp = netdev_priv(dev);  in sis190_get_settings()  local
1741 	return mii_ethtool_gset(&tp->mii_if, cmd);  in sis190_get_settings()
1746 	struct sis190_private *tp = netdev_priv(dev);  in sis190_set_settings()  local
1748 	return mii_ethtool_sset(&tp->mii_if, cmd);  in sis190_set_settings()
1754 	struct sis190_private *tp = netdev_priv(dev);  in sis190_get_drvinfo()  local
1758 	strlcpy(info->bus_info, pci_name(tp->pci_dev),  in sis190_get_drvinfo()
1770 	struct sis190_private *tp = netdev_priv(dev);  in sis190_get_regs()  local
1773 	spin_lock_irqsave(&tp->lock, flags);  in sis190_get_regs()
1774 	memcpy_fromio(p, tp->mmio_addr, regs->len);  in sis190_get_regs()
1775 	spin_unlock_irqrestore(&tp->lock, flags);  in sis190_get_regs()
1780 	struct sis190_private *tp = netdev_priv(dev);  in sis190_nway_reset()  local
1782 	return mii_nway_restart(&tp->mii_if);  in sis190_nway_reset()
1787 	struct sis190_private *tp = netdev_priv(dev);  in sis190_get_msglevel()  local
1789 	return tp->msg_enable;  in sis190_get_msglevel()
1794 	struct sis190_private *tp = netdev_priv(dev);  in sis190_set_msglevel()  local
1796 	tp->msg_enable = value;  in sis190_set_msglevel()
1813 	struct sis190_private *tp = netdev_priv(dev);  in sis190_ioctl()  local
1816 		generic_mii_ioctl(&tp->mii_if, if_mii(ifr), cmd, NULL);  in sis190_ioctl()
1848 	struct sis190_private *tp;  in sis190_init_one()  local
1867 	tp = netdev_priv(dev);  in sis190_init_one()
1868 	ioaddr = tp->mmio_addr;  in sis190_init_one()
1876 	INIT_WORK(&tp->phy_task, sis190_phy_task);  in sis190_init_one()
1883 	spin_lock_init(&tp->lock);  in sis190_init_one()
1893 	if (netif_msg_probe(tp)) {  in sis190_init_one()
1899 			    (tp->features & F_HAS_RGMII) ? "RGMII" : "GMII");  in sis190_init_one()
1918 	struct sis190_private *tp = netdev_priv(dev);  in sis190_remove_one()  local
1921 	cancel_work_sync(&tp->phy_task);  in sis190_remove_one()