diff options
| author | Florian Fainelli <f.fainelli@gmail.com> | 2023-05-11 10:21:10 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-05-13 16:56:29 +0100 |
| commit | 7e400ff35cbe3b25fc1da1586b6cd9bc426dfb1c (patch) | |
| tree | 7552c0e02e6b34db5a203ce70d5800dce155a806 /drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c | |
| parent | 8baddaa9d4bac939004b5058f3ade7e2bf0a6e43 (diff) | |
net: bcmgenet: Add support for PHY-based Wake-on-LAN
If available, interrogate the PHY to find out whether we can use it for
Wake-on-LAN. This can be a more power efficient way of implementing
that feature, especially when the MAC is powered off in low power
states.
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c index 3a4b6cb7b7b9..7a41cad5788f 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c @@ -42,6 +42,12 @@ void bcmgenet_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) struct bcmgenet_priv *priv = netdev_priv(dev); struct device *kdev = &priv->pdev->dev; + if (dev->phydev) { + phy_ethtool_get_wol(dev->phydev, wol); + if (wol->supported) + return; + } + if (!device_can_wakeup(kdev)) { wol->supported = 0; wol->wolopts = 0; @@ -63,6 +69,14 @@ int bcmgenet_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct bcmgenet_priv *priv = netdev_priv(dev); struct device *kdev = &priv->pdev->dev; + int ret; + + /* Try Wake-on-LAN from the PHY first */ + if (dev->phydev) { + ret = phy_ethtool_set_wol(dev->phydev, wol); + if (ret != -EOPNOTSUPP) + return ret; + } if (!device_can_wakeup(kdev)) return -ENOTSUPP; |