[PATCH net-next v6 06/13] ax88179_178a: Add EEE configuration support for AX88179A PHYs

From: Birger Koblitz

Date: Thu Aug 06 2026 - 15:38:46 EST


Configure phylink to work with the PHYs in the AX88197A controllers
and provide ethtool get/set eee operations calling into phylink.

Signed-off-by: Birger Koblitz <mail@xxxxxxxxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
---
drivers/net/usb/ax88179a_devices.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/drivers/net/usb/ax88179a_devices.c b/drivers/net/usb/ax88179a_devices.c
index 04aaa9c91bbba2079b7369840b1ecb7b06df00bf..45cb182b2bb111bb7e974b4633f098ab876fe02b 100644
--- a/drivers/net/usb/ax88179a_devices.c
+++ b/drivers/net/usb/ax88179a_devices.c
@@ -196,6 +196,20 @@ static int ax88179a_get_eeprom_len(struct net_device *net)
return AX88179A_EEPROM_LEN;
}

+static int ax88179a_get_eee(struct net_device *net, struct ethtool_keee *edata)
+{
+ struct ax88179_data *ax179_data = netdev2data(net);
+
+ return phylink_ethtool_get_eee(ax179_data->phylink, edata);
+}
+
+static int ax88179a_set_eee(struct net_device *net, struct ethtool_keee *edata)
+{
+ struct ax88179_data *ax179_data = netdev2data(net);
+
+ return phylink_ethtool_set_eee(ax179_data->phylink, edata);
+}
+
static const struct ethtool_ops ax88179a_ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_msglevel = usbnet_get_msglevel,
@@ -205,6 +219,8 @@ static const struct ethtool_ops ax88179a_ethtool_ops = {
.get_eeprom_len = ax88179a_get_eeprom_len,
.get_eeprom = ax88179_get_eeprom,
.set_eeprom = ax88179_set_eeprom,
+ .get_eee = ax88179a_get_eee,
+ .set_eee = ax88179a_set_eee,
.nway_reset = usbnet_nway_reset,
.get_link_ksettings = phy_ethtool_get_link_ksettings,
.set_link_ksettings = phy_ethtool_set_link_ksettings,
@@ -429,6 +445,10 @@ static int ax88179a_phylink_setup(struct usbnet *dev)
phy_if_mode = PHY_INTERFACE_MODE_SGMII;
}

+ memcpy(data->phylink_config.lpi_interfaces,
+ data->phylink_config.supported_interfaces,
+ sizeof(data->phylink_config.lpi_interfaces));
+
phylink = phylink_create(&data->phylink_config, dev->net->dev.fwnode,
phy_if_mode, &ax88179a_phylink_mac_ops);
if (IS_ERR(phylink))

--
2.47.3