sundance: Enable WoL support
Enable WoL support. Signed-off-by: Denis Kirjanov <kda@linux-powerpc.org> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis Kirjanov
David S. Miller
parent
196d675934
commit
f210e87b6d
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@ -259,6 +259,7 @@ enum alta_offsets {
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EECtrl = 0x36,
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FlashAddr = 0x40,
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FlashData = 0x44,
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WakeEvent = 0x45,
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TxStatus = 0x46,
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TxFrameId = 0x47,
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DownCounter = 0x18,
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@ -333,6 +334,14 @@ enum mac_ctrl1_bits {
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RxEnable=0x0800, RxDisable=0x1000, RxEnabled=0x2000,
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};
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/* Bits in WakeEvent register. */
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enum wake_event_bits {
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WakePktEnable = 0x01,
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MagicPktEnable = 0x02,
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LinkEventEnable = 0x04,
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WolEnable = 0x80,
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};
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/* The Rx and Tx buffer descriptors. */
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/* Note that using only 32 bit fields simplifies conversion to big-endian
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architectures. */
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@ -392,6 +401,7 @@ struct netdev_private {
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unsigned int default_port:4; /* Last dev->if_port value. */
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unsigned int an_enable:1;
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unsigned int speed;
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unsigned int wol_enabled:1; /* Wake on LAN enabled */
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struct tasklet_struct rx_tasklet;
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struct tasklet_struct tx_tasklet;
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int budget;
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@ -829,7 +839,7 @@ static int netdev_open(struct net_device *dev)
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unsigned long flags;
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int i;
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/* Do we need to reset the chip??? */
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sundance_reset(dev, 0x00ff << 16);
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i = request_irq(irq, intr_handler, IRQF_SHARED, dev->name, dev);
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if (i)
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@ -877,6 +887,10 @@ static int netdev_open(struct net_device *dev)
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iowrite16 (StatsEnable | RxEnable | TxEnable, ioaddr + MACCtrl1);
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/* Disable Wol */
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iowrite8(ioread8(ioaddr + WakeEvent) | 0x00, ioaddr + WakeEvent);
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np->wol_enabled = 0;
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if (netif_msg_ifup(np))
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printk(KERN_DEBUG "%s: Done netdev_open(), status: Rx %x Tx %x "
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"MAC Control %x, %4.4x %4.4x.\n",
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@ -1715,6 +1729,60 @@ static void get_ethtool_stats(struct net_device *dev,
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data[i++] = np->xstats.rx_mcasts;
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}
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#ifdef CONFIG_PM
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static void sundance_get_wol(struct net_device *dev,
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struct ethtool_wolinfo *wol)
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{
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struct netdev_private *np = netdev_priv(dev);
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void __iomem *ioaddr = np->base;
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u8 wol_bits;
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wol->wolopts = 0;
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wol->supported = (WAKE_PHY | WAKE_MAGIC);
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if (!np->wol_enabled)
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return;
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wol_bits = ioread8(ioaddr + WakeEvent);
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if (wol_bits & MagicPktEnable)
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wol->wolopts |= WAKE_MAGIC;
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if (wol_bits & LinkEventEnable)
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wol->wolopts |= WAKE_PHY;
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}
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static int sundance_set_wol(struct net_device *dev,
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struct ethtool_wolinfo *wol)
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{
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struct netdev_private *np = netdev_priv(dev);
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void __iomem *ioaddr = np->base;
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u8 wol_bits;
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if (!device_can_wakeup(&np->pci_dev->dev))
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return -EOPNOTSUPP;
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np->wol_enabled = !!(wol->wolopts);
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wol_bits = ioread8(ioaddr + WakeEvent);
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wol_bits &= ~(WakePktEnable | MagicPktEnable |
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LinkEventEnable | WolEnable);
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if (np->wol_enabled) {
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if (wol->wolopts & WAKE_MAGIC)
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wol_bits |= (MagicPktEnable | WolEnable);
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if (wol->wolopts & WAKE_PHY)
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wol_bits |= (LinkEventEnable | WolEnable);
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}
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iowrite8(wol_bits, ioaddr + WakeEvent);
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device_set_wakeup_enable(&np->pci_dev->dev, np->wol_enabled);
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return 0;
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}
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#else
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#define sundance_get_wol NULL
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#define sundance_set_wol NULL
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#endif /* CONFIG_PM */
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static const struct ethtool_ops ethtool_ops = {
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.begin = check_if_running,
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.get_drvinfo = get_drvinfo,
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@ -1722,6 +1790,8 @@ static const struct ethtool_ops ethtool_ops = {
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.set_settings = set_settings,
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.nway_reset = nway_reset,
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.get_link = get_link,
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.get_wol = sundance_get_wol,
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.set_wol = sundance_set_wol,
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.get_msglevel = get_msglevel,
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.set_msglevel = set_msglevel,
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.get_strings = get_strings,
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@ -1867,6 +1937,8 @@ static void __devexit sundance_remove1 (struct pci_dev *pdev)
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static int sundance_suspend(struct pci_dev *pci_dev, pm_message_t state)
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{
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struct net_device *dev = pci_get_drvdata(pci_dev);
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struct netdev_private *np = netdev_priv(dev);
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void __iomem *ioaddr = np->base;
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if (!netif_running(dev))
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return 0;
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@ -1875,6 +1947,12 @@ static int sundance_suspend(struct pci_dev *pci_dev, pm_message_t state)
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netif_device_detach(dev);
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pci_save_state(pci_dev);
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if (np->wol_enabled) {
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iowrite8(AcceptBroadcast | AcceptMyPhys, ioaddr + RxMode);
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iowrite16(RxEnable, ioaddr + MACCtrl1);
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}
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pci_enable_wake(pci_dev, pci_choose_state(pci_dev, state),
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np->wol_enabled);
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pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
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return 0;
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@ -1890,6 +1968,7 @@ static int sundance_resume(struct pci_dev *pci_dev)
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pci_set_power_state(pci_dev, PCI_D0);
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pci_restore_state(pci_dev);
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pci_enable_wake(pci_dev, PCI_D0, 0);
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err = netdev_open(dev);
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if (err) {
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