X-Git-Url: http://bbs.cooldavid.org/git/?p=jme.git;a=blobdiff_plain;f=jme.c;h=0c7720817a5c286f9f8dbf27d0173a9be7d68554;hp=d7d2140834295e2603c2e4714ea3bd543aea3566;hb=a82e368cd73298926df536929339cfbdb802878c;hpb=e58b908e8d69e95b720b5f5d536eed761b88ee1c

diff --git a/jme.c b/jme.c
index d7d2140..0c77208 100644
--- a/jme.c
+++ b/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>
  *
@@ -999,6 +1000,7 @@ jme_process_receive(struct jme_adapter *jme, int limit)
 			goto out;
 		--limit;
 
+		rmb();
 		desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT;
 
 		if (unlikely(desccnt > 1 ||
@@ -1647,12 +1649,12 @@ err_out:
 	return rc;
 }
 
-#ifdef CONFIG_PM
 static void
 jme_set_100m_half(struct jme_adapter *jme)
 {
 	u32 bmcr, tmp;
 
+	jme_phy_on(jme);
 	bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR);
 	tmp = bmcr & ~(BMCR_ANENABLE | BMCR_SPEED100 |
 		       BMCR_SPEED1000 | BMCR_FULLDPLX);
@@ -1680,7 +1682,6 @@ jme_wait_link(struct jme_adapter *jme)
 		phylink = jme_linkstat_from_phy(jme);
 	}
 }
-#endif
 
 static inline void
 jme_phy_off(struct jme_adapter *jme)
@@ -1688,6 +1689,21 @@ jme_phy_off(struct jme_adapter *jme)
 	jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, BMCR_PDOWN);
 }
 
+static void
+jme_powersave_phy(struct jme_adapter *jme)
+{
+	if (jme->reg_pmcs) {
+		jme_set_100m_half(jme);
+
+		if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN))
+			jme_wait_link(jme);
+
+		jwrite32(jme, JME_PMCS, jme->reg_pmcs);
+	} else {
+		jme_phy_off(jme);
+	}
+}
+
 static int
 jme_close(struct net_device *netdev)
 {
@@ -2493,6 +2509,10 @@ 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))
@@ -2502,12 +2522,40 @@ 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;
@@ -2823,6 +2871,7 @@ 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,
@@ -2886,6 +2935,7 @@ jme_init_one(struct pci_dev *pdev,
 #else
 	netdev->open			= jme_open;
 	netdev->stop			= jme_close;
+	netdev->do_ioctl		= jme_ioctl;
 	netdev->hard_start_xmit		= jme_start_xmit;
 	netdev->set_mac_address		= jme_set_macaddr;
 	netdev->set_multicast_list	= jme_set_multi;
@@ -3032,6 +3082,8 @@ 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;
 
@@ -3114,6 +3166,20 @@ jme_remove_one(struct pci_dev *pdev)
 
 }
 
+static void
+jme_shutdown(struct pci_dev *pdev)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct jme_adapter *jme = netdev_priv(netdev);
+
+	jme_powersave_phy(jme);
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27)
+	pci_enable_wake(pdev, PCI_D3hot, true);
+#else
+	pci_pme_active(pdev, true);
+#endif
+}
+
 #ifdef CONFIG_PM
 static int
 jme_suspend(struct pci_dev *pdev, pm_message_t state)
@@ -3151,19 +3217,9 @@ jme_suspend(struct pci_dev *pdev, pm_message_t state)
 	tasklet_hi_enable(&jme->rxempty_task);
 
 	pci_save_state(pdev);
-	if (jme->reg_pmcs) {
-		jme_set_100m_half(jme);
-
-		if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN))
-			jme_wait_link(jme);
-
-		jwrite32(jme, JME_PMCS, jme->reg_pmcs);
-
-		pci_enable_wake(pdev, PCI_D3cold, true);
-	} else {
-		jme_phy_off(jme);
-	}
-	pci_set_power_state(pdev, PCI_D3cold);
+	jme_powersave_phy(jme);
+	pci_enable_wake(pdev, PCI_D3hot, true);
+	pci_set_power_state(pdev, PCI_D3hot);
 
 	return 0;
 }
@@ -3214,6 +3270,7 @@ static struct pci_driver jme_driver = {
 	.suspend        = jme_suspend,
 	.resume         = jme_resume,
 #endif /* CONFIG_PM */
+	.shutdown       = jme_shutdown,
 };
 
 static int __init