1 files changed, 108 insertions, 59 deletions

diff --git a/drivers/net/jme.c b/drivers/net/jme.c
index 99f24f5cac53..d7a975ee2add 100644
--- a/drivers/net/jme.c
+++ b/drivers/net/jme.c
@@ -3,6 +3,7 @@
  *
  * Copyright 2008 JMicron Technology Corporation
  * http://www.jmicron.com/
+ * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
  *
  * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
  *
@@ -21,6 +22,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
@@ -73,7 +76,7 @@ read_again:
 	}
 
 	if (i == 0) {
-		jeprintk(jme->pdev, "phy(%d) read timeout : %d\n", phy, reg);
+		pr_err("phy(%d) read timeout : %d\n", phy, reg);
 		return 0;
 	}
 
@@ -102,7 +105,7 @@ jme_mdio_write(struct net_device *netdev,
 	}
 
 	if (i == 0)
-		jeprintk(jme->pdev, "phy(%d) write timeout : %d\n", phy, reg);
+		pr_err("phy(%d) write timeout : %d\n", phy, reg);
 }
 
 static inline void
@@ -227,7 +230,7 @@ jme_reload_eeprom(struct jme_adapter *jme)
 		}
 
 		if (i == 0) {
-			jeprintk(jme->pdev, "eeprom reload timeout\n");
+			pr_err("eeprom reload timeout\n");
 			return -EIO;
 		}
 	}
@@ -397,8 +400,7 @@ jme_check_link(struct net_device *netdev, int testonly)
 					phylink = jread32(jme, JME_PHY_LINK);
 			}
 			if (!cnt)
-				jeprintk(jme->pdev,
-					"Waiting speed resolve timeout.\n");
+				pr_err("Waiting speed resolve timeout\n");
 
 			strcat(linkmsg, "ANed: ");
 		}
@@ -480,13 +482,13 @@ jme_check_link(struct net_device *netdev, int testonly)
 		strcat(linkmsg, (phylink & PHY_LINK_MDI_STAT) ?
 					"MDI-X" :
 					"MDI");
-		netif_info(jme, link, jme->dev, "Link is up at %s.\n", linkmsg);
+		netif_info(jme, link, jme->dev, "Link is up at %s\n", linkmsg);
 		netif_carrier_on(netdev);
 	} else {
 		if (testonly)
 			goto out;
 
-		netif_info(jme, link, jme->dev, "Link is down.\n");
+		netif_info(jme, link, jme->dev, "Link is down\n");
 		jme->phylink = 0;
 		netif_carrier_off(netdev);
 	}
@@ -648,7 +650,7 @@ jme_disable_tx_engine(struct jme_adapter *jme)
 	}
 
 	if (!i)
-		jeprintk(jme->pdev, "Disable TX engine timeout.\n");
+		pr_err("Disable TX engine timeout\n");
 }
 
 static void
@@ -867,7 +869,7 @@ jme_disable_rx_engine(struct jme_adapter *jme)
 	}
 
 	if (!i)
-		jeprintk(jme->pdev, "Disable RX engine timeout.\n");
+		pr_err("Disable RX engine timeout\n");
 
 }
 
@@ -887,13 +889,13 @@ jme_rxsum_ok(struct jme_adapter *jme, u16 flags)
 	if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_UDPON | RXWBFLAG_UDPCS))
 			== RXWBFLAG_UDPON)) {
 		if (flags & RXWBFLAG_IPV4)
-			netif_err(jme, rx_err, jme->dev, "UDP Checksum error.\n");
+			netif_err(jme, rx_err, jme->dev, "UDP Checksum error\n");
 		return false;
 	}
 
 	if (unlikely((flags & (RXWBFLAG_IPV4 | RXWBFLAG_IPCS))
 			== RXWBFLAG_IPV4)) {
-		netif_err(jme, rx_err, jme->dev, "IPv4 Checksum error.\n");
+		netif_err(jme, rx_err, jme->dev, "IPv4 Checksum error\n");
 		return false;
 	}
 
@@ -936,7 +938,7 @@ jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx)
 		if (jme_rxsum_ok(jme, le16_to_cpu(rxdesc->descwb.flags)))
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
 		else
-			skb->ip_summed = CHECKSUM_NONE;
+			skb_checksum_none_assert(skb);
 
 		if (rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_TAGON)) {
 			if (jme->vlgrp) {
@@ -988,6 +990,7 @@ jme_process_receive(struct jme_adapter *jme, int limit)
 			goto out;
 		--limit;
 
+		rmb();
 		desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT;
 
 		if (unlikely(desccnt > 1 ||
@@ -1185,9 +1188,9 @@ jme_link_change_tasklet(unsigned long arg)
 
 	while (!atomic_dec_and_test(&jme->link_changing)) {
 		atomic_inc(&jme->link_changing);
-		netif_info(jme, intr, jme->dev, "Get link change lock failed.\n");
+		netif_info(jme, intr, jme->dev, "Get link change lock failed\n");
 		while (atomic_read(&jme->link_changing) != 1)
-			netif_info(jme, intr, jme->dev, "Waiting link change lock.\n");
+			netif_info(jme, intr, jme->dev, "Waiting link change lock\n");
 	}
 
 	if (jme_check_link(netdev, 1) && jme->old_mtu == netdev->mtu)
@@ -1221,15 +1224,13 @@ jme_link_change_tasklet(unsigned long arg)
 	if (netif_carrier_ok(netdev)) {
 		rc = jme_setup_rx_resources(jme);
 		if (rc) {
-			jeprintk(jme->pdev, "Allocating resources for RX error"
-				", Device STOPPED!\n");
+			pr_err("Allocating resources for RX error, Device STOPPED!\n");
 			goto out_enable_tasklet;
 		}
 
 		rc = jme_setup_tx_resources(jme);
 		if (rc) {
-			jeprintk(jme->pdev, "Allocating resources for TX error"
-				", Device STOPPED!\n");
+			pr_err("Allocating resources for TX error, Device STOPPED!\n");
 			goto err_out_free_rx_resources;
 		}
 
@@ -1324,7 +1325,7 @@ jme_wake_queue_if_stopped(struct jme_adapter *jme)
 	smp_wmb();
 	if (unlikely(netif_queue_stopped(jme->dev) &&
 	atomic_read(&txring->nr_free) >= (jme->tx_wake_threshold))) {
-		netif_info(jme, tx_done, jme->dev, "TX Queue Waked.\n");
+		netif_info(jme, tx_done, jme->dev, "TX Queue Waked\n");
 		netif_wake_queue(jme->dev);
 	}
 
@@ -1339,7 +1340,7 @@ jme_tx_clean_tasklet(unsigned long arg)
 	struct jme_buffer_info *txbi = txring->bufinf, *ctxbi, *ttxbi;
 	int i, j, cnt = 0, max, err, mask;
 
-	tx_dbg(jme, "Into txclean.\n");
+	tx_dbg(jme, "Into txclean\n");
 
 	if (unlikely(!atomic_dec_and_test(&jme->tx_cleaning)))
 		goto out;
@@ -1361,7 +1362,7 @@ jme_tx_clean_tasklet(unsigned long arg)
 		!(txdesc[i].descwb.flags & TXWBFLAG_OWN))) {
 
 			tx_dbg(jme, "txclean: %d+%d@%lu\n",
-					i, ctxbi->nr_desc, jiffies);
+			       i, ctxbi->nr_desc, jiffies);
 
 			err = txdesc[i].descwb.flags & TXWBFLAG_ALLERR;
 
@@ -1402,7 +1403,7 @@ jme_tx_clean_tasklet(unsigned long arg)
 		ctxbi->nr_desc = 0;
 	}
 
-	tx_dbg(jme, "txclean: done %d@%lu.\n", i, jiffies);
+	tx_dbg(jme, "txclean: done %d@%lu\n", i, jiffies);
 	atomic_set(&txring->next_to_clean, i);
 	atomic_add(cnt, &txring->nr_free);
 
@@ -1548,10 +1549,10 @@ jme_request_irq(struct jme_adapter *jme)
 	rc = request_irq(jme->pdev->irq, handler, irq_flags, netdev->name,
 			  netdev);
 	if (rc) {
-		jeprintk(jme->pdev,
-			"Unable to request %s interrupt (return: %d)\n",
-			test_bit(JME_FLAG_MSI, &jme->flags) ? "MSI" : "INTx",
-			rc);
+		netdev_err(netdev,
+			   "Unable to request %s interrupt (return: %d)\n",
+			   test_bit(JME_FLAG_MSI, &jme->flags) ? "MSI" : "INTx",
+			   rc);
 
 		if (test_bit(JME_FLAG_MSI, &jme->flags)) {
 			pci_disable_msi(jme->pdev);
@@ -1575,6 +1576,16 @@ jme_free_irq(struct jme_adapter *jme)
 	}
 }
 
+static inline void
+jme_phy_on(struct jme_adapter *jme)
+{
+	u32 bmcr;
+
+	bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR);
+	bmcr &= ~BMCR_PDOWN;
+	jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr);
+}
+
 static int
 jme_open(struct net_device *netdev)
 {
@@ -1595,10 +1606,12 @@ jme_open(struct net_device *netdev)
 
 	jme_start_irq(jme);
 
-	if (test_bit(JME_FLAG_SSET, &jme->flags))
+	if (test_bit(JME_FLAG_SSET, &jme->flags)) {
+		jme_phy_on(jme);
 		jme_set_settings(netdev, &jme->old_ecmd);
-	else
+	} else {
 		jme_reset_phy_processor(jme);
+	}
 
 	jme_reset_link(jme);
 
@@ -1834,7 +1847,7 @@ jme_tx_csum(struct jme_adapter *jme, struct sk_buff *skb, u8 *flags)
 			*flags |= TXFLAG_UDPCS;
 			break;
 		default:
-			netif_err(jme, tx_err, jme->dev, "Error upper layer protocol.\n");
+			netif_err(jme, tx_err, jme->dev, "Error upper layer protocol\n");
 			break;
 		}
 	}
@@ -1909,12 +1922,12 @@ jme_stop_queue_if_full(struct jme_adapter *jme)
 	smp_wmb();
 	if (unlikely(atomic_read(&txring->nr_free) < (MAX_SKB_FRAGS+2))) {
 		netif_stop_queue(jme->dev);
-		netif_info(jme, tx_queued, jme->dev, "TX Queue Paused.\n");
+		netif_info(jme, tx_queued, jme->dev, "TX Queue Paused\n");
 		smp_wmb();
 		if (atomic_read(&txring->nr_free)
 			>= (jme->tx_wake_threshold)) {
 			netif_wake_queue(jme->dev);
-			netif_info(jme, tx_queued, jme->dev, "TX Queue Fast Waked.\n");
+			netif_info(jme, tx_queued, jme->dev, "TX Queue Fast Waked\n");
 		}
 	}
 
@@ -1922,7 +1935,8 @@ jme_stop_queue_if_full(struct jme_adapter *jme)
 			(jiffies - txbi->start_xmit) >= TX_TIMEOUT &&
 			txbi->skb)) {
 		netif_stop_queue(jme->dev);
-		netif_info(jme, tx_queued, jme->dev, "TX Queue Stopped %d@%lu.\n", idx, jiffies);
+		netif_info(jme, tx_queued, jme->dev,
+			   "TX Queue Stopped %d@%lu\n", idx, jiffies);
 	}
 }
 
@@ -1945,7 +1959,8 @@ jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 
 	if (unlikely(idx < 0)) {
 		netif_stop_queue(netdev);
-		netif_err(jme, tx_err, jme->dev, "BUG! Tx ring full when queue awake!\n");
+		netif_err(jme, tx_err, jme->dev,
+			  "BUG! Tx ring full when queue awake!\n");
 
 		return NETDEV_TX_BUSY;
 	}
@@ -1957,9 +1972,8 @@ jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 				TXCS_QUEUE0S |
 				TXCS_ENABLE);
 
-	tx_dbg(jme, "xmit: %d+%d@%lu\n", idx,
-			skb_shinfo(skb)->nr_frags + 2,
-			jiffies);
+	tx_dbg(jme, "xmit: %d+%d@%lu\n",
+	       idx, skb_shinfo(skb)->nr_frags + 2, jiffies);
 	jme_stop_queue_if_full(jme);
 
 	return NETDEV_TX_OK;
@@ -2382,6 +2396,10 @@ jme_set_settings(struct net_device *netdev,
 	if (ecmd->speed == SPEED_1000 && ecmd->autoneg != AUTONEG_ENABLE)
 		return -EINVAL;
 
+	/*
+	 * Check If user changed duplex only while force_media.
+	 * Hardware would not generate link change interrupt.
+	 */
 	if (jme->mii_if.force_media &&
 	ecmd->autoneg != AUTONEG_ENABLE &&
 	(jme->mii_if.full_duplex != ecmd->duplex))
@@ -2391,12 +2409,40 @@ jme_set_settings(struct net_device *netdev,
 	rc = mii_ethtool_sset(&(jme->mii_if), ecmd);
 	spin_unlock_bh(&jme->phy_lock);
 
-	if (!rc && fdc)
-		jme_reset_link(jme);
-
 	if (!rc) {
-		set_bit(JME_FLAG_SSET, &jme->flags);
+		if (fdc)
+			jme_reset_link(jme);
 		jme->old_ecmd = *ecmd;
+		set_bit(JME_FLAG_SSET, &jme->flags);
+	}
+
+	return rc;
+}
+
+static int
+jme_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
+{
+	int rc;
+	struct jme_adapter *jme = netdev_priv(netdev);
+	struct mii_ioctl_data *mii_data = if_mii(rq);
+	unsigned int duplex_chg;
+
+	if (cmd == SIOCSMIIREG) {
+		u16 val = mii_data->val_in;
+		if (!(val & (BMCR_RESET|BMCR_ANENABLE)) &&
+		    (val & BMCR_SPEED1000))
+			return -EINVAL;
+	}
+
+	spin_lock_bh(&jme->phy_lock);
+	rc = generic_mii_ioctl(&jme->mii_if, mii_data, cmd, &duplex_chg);
+	spin_unlock_bh(&jme->phy_lock);
+
+	if (!rc && (cmd == SIOCSMIIREG)) {
+		if (duplex_chg)
+			jme_reset_link(jme);
+		jme_get_settings(netdev, &jme->old_ecmd);
+		set_bit(JME_FLAG_SSET, &jme->flags);
 	}
 
 	return rc;
@@ -2501,7 +2547,7 @@ jme_smb_read(struct jme_adapter *jme, unsigned int addr)
 		val = jread32(jme, JME_SMBCSR);
 	}
 	if (!to) {
-		netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n");
+		netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
 		return 0xFF;
 	}
 
@@ -2517,7 +2563,7 @@ jme_smb_read(struct jme_adapter *jme, unsigned int addr)
 		val = jread32(jme, JME_SMBINTF);
 	}
 	if (!to) {
-		netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n");
+		netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
 		return 0xFF;
 	}
 
@@ -2537,7 +2583,7 @@ jme_smb_write(struct jme_adapter *jme, unsigned int addr, u8 data)
 		val = jread32(jme, JME_SMBCSR);
 	}
 	if (!to) {
-		netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n");
+		netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
 		return;
 	}
 
@@ -2554,7 +2600,7 @@ jme_smb_write(struct jme_adapter *jme, unsigned int addr, u8 data)
 		val = jread32(jme, JME_SMBINTF);
 	}
 	if (!to) {
-		netif_err(jme, hw, jme->dev, "SMB Bus Busy.\n");
+		netif_err(jme, hw, jme->dev, "SMB Bus Busy\n");
 		return;
 	}
 
@@ -2676,6 +2722,7 @@ static const struct net_device_ops jme_netdev_ops = {
 	.ndo_open		= jme_open,
 	.ndo_stop		= jme_close,
 	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_do_ioctl		= jme_ioctl,
 	.ndo_start_xmit		= jme_start_xmit,
 	.ndo_set_mac_address	= jme_set_macaddr,
 	.ndo_set_multicast_list	= jme_set_multi,
@@ -2699,26 +2746,26 @@ jme_init_one(struct pci_dev *pdev,
 	 */
 	rc = pci_enable_device(pdev);
 	if (rc) {
-		jeprintk(pdev, "Cannot enable PCI device.\n");
+		pr_err("Cannot enable PCI device\n");
 		goto err_out;
 	}
 
 	using_dac = jme_pci_dma64(pdev);
 	if (using_dac < 0) {
-		jeprintk(pdev, "Cannot set PCI DMA Mask.\n");
+		pr_err("Cannot set PCI DMA Mask\n");
 		rc = -EIO;
 		goto err_out_disable_pdev;
 	}
 
 	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
-		jeprintk(pdev, "No PCI resource region found.\n");
+		pr_err("No PCI resource region found\n");
 		rc = -ENOMEM;
 		goto err_out_disable_pdev;
 	}
 
 	rc = pci_request_regions(pdev, DRV_NAME);
 	if (rc) {
-		jeprintk(pdev, "Cannot obtain PCI resource region.\n");
+		pr_err("Cannot obtain PCI resource region\n");
 		goto err_out_disable_pdev;
 	}
 
@@ -2729,7 +2776,7 @@ jme_init_one(struct pci_dev *pdev,
 	 */
 	netdev = alloc_etherdev(sizeof(*jme));
 	if (!netdev) {
-		jeprintk(pdev, "Cannot allocate netdev structure.\n");
+		pr_err("Cannot allocate netdev structure\n");
 		rc = -ENOMEM;
 		goto err_out_release_regions;
 	}
@@ -2767,7 +2814,7 @@ jme_init_one(struct pci_dev *pdev,
 	jme->regs = ioremap(pci_resource_start(pdev, 0),
 			     pci_resource_len(pdev, 0));
 	if (!(jme->regs)) {
-		jeprintk(pdev, "Mapping PCI resource region error.\n");
+		pr_err("Mapping PCI resource region error\n");
 		rc = -ENOMEM;
 		goto err_out_free_netdev;
 	}
@@ -2855,8 +2902,8 @@ jme_init_one(struct pci_dev *pdev,
 
 		if (!jme->mii_if.phy_id) {
 			rc = -EIO;
-			jeprintk(pdev, "Can not find phy_id.\n");
-			 goto err_out_unmap;
+			pr_err("Can not find phy_id\n");
+			goto err_out_unmap;
 		}
 
 		jme->reg_ghc |= GHC_LINK_POLL;
@@ -2867,6 +2914,8 @@ jme_init_one(struct pci_dev *pdev,
 		jme->mii_if.supports_gmii = true;
 	else
 		jme->mii_if.supports_gmii = false;
+	jme->mii_if.phy_id_mask = 0x1F;
+	jme->mii_if.reg_num_mask = 0x1F;
 	jme->mii_if.mdio_read = jme_mdio_read;
 	jme->mii_if.mdio_write = jme_mdio_write;
 
@@ -2883,8 +2932,7 @@ jme_init_one(struct pci_dev *pdev,
 	jme_reset_mac_processor(jme);
 	rc = jme_reload_eeprom(jme);
 	if (rc) {
-		jeprintk(pdev,
-			"Reload eeprom for reading MAC Address error.\n");
+		pr_err("Reload eeprom for reading MAC Address error\n");
 		goto err_out_unmap;
 	}
 	jme_load_macaddr(netdev);
@@ -2900,7 +2948,7 @@ jme_init_one(struct pci_dev *pdev,
 	 */
 	rc = register_netdev(netdev);
 	if (rc) {
-		jeprintk(pdev, "Cannot register net device.\n");
+		pr_err("Cannot register net device\n");
 		goto err_out_unmap;
 	}
 
@@ -3006,10 +3054,12 @@ jme_resume(struct pci_dev *pdev)
 	jme_clear_pm(jme);
 	pci_restore_state(pdev);
 
-	if (test_bit(JME_FLAG_SSET, &jme->flags))
+	if (test_bit(JME_FLAG_SSET, &jme->flags)) {
+		jme_phy_on(jme);
 		jme_set_settings(netdev, &jme->old_ecmd);
-	else
+	} else {
 		jme_reset_phy_processor(jme);
+	}
 
 	jme_start_irq(jme);
 	netif_device_attach(netdev);
@@ -3042,8 +3092,7 @@ static struct pci_driver jme_driver = {
 static int __init
 jme_init_module(void)
 {
-	printk(KERN_INFO PFX "JMicron JMC2XX ethernet "
-	       "driver version %s\n", DRV_VERSION);
+	pr_info("JMicron JMC2XX ethernet driver version %s\n", DRV_VERSION);
 	return pci_register_driver(&jme_driver);
 }