diff options
| -rw-r--r-- | drivers/net/r8169.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 999fd6cef77e..8cc0d0bbdf50 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -290,7 +290,15 @@ enum RTL8169_register_content { /* Config1 register p.24 */ PMEnable = (1 << 0), /* Power Management Enable */ + /* Config3 register p.25 */ + MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */ + LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */ + /* Config5 register p.27 */ + BWF = (1 << 6), /* Accept Broadcast wakeup frame */ + MWF = (1 << 5), /* Accept Multicast wakeup frame */ + UWF = (1 << 4), /* Accept Unicast wakeup frame */ + LanWake = (1 << 1), /* LanWake enable/disable */ PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */ /* TBICSR p.28 */ @@ -439,6 +447,7 @@ struct rtl8169_private { unsigned int (*phy_reset_pending)(void __iomem *); unsigned int (*link_ok)(void __iomem *); struct work_struct task; + unsigned wol_enabled : 1; }; MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>"); @@ -613,6 +622,80 @@ static void rtl8169_link_option(int idx, u8 *autoneg, u16 *speed, u8 *duplex) *duplex = p->duplex; } +static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u8 options; + + wol->wolopts = 0; + +#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) + wol->supported = WAKE_ANY; + + spin_lock_irq(&tp->lock); + + options = RTL_R8(Config1); + if (!(options & PMEnable)) + goto out_unlock; + + options = RTL_R8(Config3); + if (options & LinkUp) + wol->wolopts |= WAKE_PHY; + if (options & MagicPacket) + wol->wolopts |= WAKE_MAGIC; + + options = RTL_R8(Config5); + if (options & UWF) + wol->wolopts |= WAKE_UCAST; + if (options & BWF) + wol->wolopts |= WAKE_BCAST; + if (options & MWF) + wol->wolopts |= WAKE_MCAST; + +out_unlock: + spin_unlock_irq(&tp->lock); +} + +static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + int i; + static struct { + u32 opt; + u16 reg; + u8 mask; + } cfg[] = { + { WAKE_ANY, Config1, PMEnable }, + { WAKE_PHY, Config3, LinkUp }, + { WAKE_MAGIC, Config3, MagicPacket }, + { WAKE_UCAST, Config5, UWF }, + { WAKE_BCAST, Config5, BWF }, + { WAKE_MCAST, Config5, MWF }, + { WAKE_ANY, Config5, LanWake } + }; + + spin_lock_irq(&tp->lock); + + RTL_W8(Cfg9346, Cfg9346_Unlock); + + for (i = 0; i < ARRAY_SIZE(cfg); i++) { + u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask; + if (wol->wolopts & cfg[i].opt) + options |= cfg[i].mask; + RTL_W8(cfg[i].reg, options); + } + + RTL_W8(Cfg9346, Cfg9346_Lock); + + tp->wol_enabled = (wol->wolopts) ? 1 : 0; + + spin_unlock_irq(&tp->lock); + + return 0; +} + static void rtl8169_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { @@ -1031,6 +1114,8 @@ static struct ethtool_ops rtl8169_ethtool_ops = { .get_tso = ethtool_op_get_tso, .set_tso = ethtool_op_set_tso, .get_regs = rtl8169_get_regs, + .get_wol = rtl8169_get_wol, + .set_wol = rtl8169_set_wol, .get_strings = rtl8169_get_strings, .get_stats_count = rtl8169_get_stats_count, .get_ethtool_stats = rtl8169_get_ethtool_stats, @@ -2692,6 +2777,7 @@ static int rtl8169_suspend(struct pci_dev *pdev, pm_message_t state) spin_unlock_irq(&tp->lock); pci_save_state(pdev); + pci_enable_wake(pdev, pci_choose_state(pdev, state), tp->wol_enabled); pci_set_power_state(pdev, pci_choose_state(pdev, state)); out: return 0; @@ -2708,6 +2794,7 @@ static int rtl8169_resume(struct pci_dev *pdev) pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); + pci_enable_wake(pdev, PCI_D0, 0); rtl8169_schedule_work(dev, rtl8169_reset_task); out: |