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lan743x: Add power management support

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Implement power management
Supports suspend, resume, and Wake on LAN

Signed-off-by: Bryan Whitehead <Bryan.Whitehead@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bryan Whitehead 2018-07-23 16:16:31 -04:00 • committed by David S. Miller
parent 695846047a
commit 4d94282afd
3 changed files with 270 additions and 0 deletions
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47
drivers/net/ethernet/microchip/lan743x_ethtool.c
View file

@ -415,6 +415,49 @@ static int lan743x_ethtool_get_sset_count(struct net_device *netdev, int sset)
}
}
#ifdef CONFIG_PM
static void lan743x_ethtool_get_wol(struct net_device *netdev,
struct ethtool_wolinfo *wol)
{
struct lan743x_adapter *adapter = netdev_priv(netdev);
wol->supported = 0;
wol->wolopts = 0;
phy_ethtool_get_wol(netdev->phydev, wol);
wol->supported |= WAKE_BCAST | WAKE_UCAST | WAKE_MCAST |
WAKE_MAGIC | WAKE_PHY | WAKE_ARP;
wol->wolopts |= adapter->wolopts;
}
static int lan743x_ethtool_set_wol(struct net_device *netdev,
struct ethtool_wolinfo *wol)
{
struct lan743x_adapter *adapter = netdev_priv(netdev);
adapter->wolopts = 0;
if (wol->wolopts & WAKE_UCAST)
adapter->wolopts |= WAKE_UCAST;
if (wol->wolopts & WAKE_MCAST)
adapter->wolopts |= WAKE_MCAST;
if (wol->wolopts & WAKE_BCAST)
adapter->wolopts |= WAKE_BCAST;
if (wol->wolopts & WAKE_MAGIC)
adapter->wolopts |= WAKE_MAGIC;
if (wol->wolopts & WAKE_PHY)
adapter->wolopts |= WAKE_PHY;
if (wol->wolopts & WAKE_ARP)
adapter->wolopts |= WAKE_ARP;
device_set_wakeup_enable(&adapter->pdev->dev, (bool)wol->wolopts);
phy_ethtool_set_wol(netdev->phydev, wol);
return 0;
}
#endif /* CONFIG_PM */
const struct ethtool_ops lan743x_ethtool_ops = {
.get_drvinfo = lan743x_ethtool_get_drvinfo,
.get_msglevel = lan743x_ethtool_get_msglevel,
@ -429,4 +472,8 @@ const struct ethtool_ops lan743x_ethtool_ops = {
.get_sset_count = lan743x_ethtool_get_sset_count,
.get_link_ksettings = phy_ethtool_get_link_ksettings,
.set_link_ksettings = phy_ethtool_set_link_ksettings,
#ifdef CONFIG_PM
.get_wol = lan743x_ethtool_get_wol,
.set_wol = lan743x_ethtool_set_wol,
#endif
};