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r8169: enable wake on lan 

Similar to 8139cp code but more inspired/lucky.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
This commit is contained in:
Francois Romieu 2006-02-23 00:55:25 +01:00
parent 5d06a99f54
commit 61a4dcc2f9
1 changed files with 87 additions and 0 deletions
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87
drivers/net/r8169.c
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@ -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: