net: txgbe: Correct the currect link settings

For AML 25G/10G devices, some of the information returned from
phylink_ethtool_ksettings_get() is not correct, since there is a
fixed-link mode. So add additional corrections.

Signed-off-by: Jiawen Wu <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>

Author: Jiawen Wu

drivers/net/ethernet/wangxun/libwx/wx_ethtool.c

@@ -231,9 +231,6 @@ int wx_get_link_ksettings(struct net_device *netdev,
 {
 	struct wx *wx = netdev_priv(netdev);
 
-	if (wx->mac.type == wx_mac_aml40)
-		return -EOPNOTSUPP;
-
 	return phylink_ethtool_ksettings_get(wx->phylink, cmd);
 }
 EXPORT_SYMBOL(wx_get_link_ksettings);

drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c

@@ -12,6 +12,31 @@
 #include "txgbe_fdir.h"
 #include "txgbe_ethtool.h"
 
+int txgbe_get_link_ksettings(struct net_device *netdev,
+			     struct ethtool_link_ksettings *cmd)
+{
+	struct wx *wx = netdev_priv(netdev);
+	struct txgbe *txgbe = wx->priv;
+	int err;
+
+	if (wx->mac.type == wx_mac_aml40)
+		return -EOPNOTSUPP;
+
+	err = wx_get_link_ksettings(netdev, cmd);
+	if (err)
+		return err;
+
+	if (wx->mac.type == wx_mac_sp)
+		return 0;
+
+	cmd->base.port = txgbe->link_port;
+	cmd->base.autoneg = AUTONEG_DISABLE;
+	linkmode_copy(cmd->link_modes.supported, txgbe->sfp_support);
+	linkmode_copy(cmd->link_modes.advertising, txgbe->advertising);
+
+	return 0;
+}
+
 static int txgbe_set_ringparam(struct net_device *netdev,
 			       struct ethtool_ringparam *ring,
 			       struct kernel_ethtool_ringparam *kernel_ring,
@@ -510,7 +535,7 @@ static const struct ethtool_ops txgbe_ethtool_ops = {
 	.get_drvinfo		= wx_get_drvinfo,
 	.nway_reset		= wx_nway_reset,
 	.get_link		= ethtool_op_get_link,
-	.get_link_ksettings	= wx_get_link_ksettings,
+	.get_link_ksettings	= txgbe_get_link_ksettings,
 	.set_link_ksettings	= wx_set_link_ksettings,
 	.get_sset_count		= wx_get_sset_count,
 	.get_strings		= wx_get_strings,

drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.h

@@ -4,6 +4,8 @@
 #ifndef _TXGBE_ETHTOOL_H_
 #define _TXGBE_ETHTOOL_H_
 
+int txgbe_get_link_ksettings(struct net_device *netdev,
+			     struct ethtool_link_ksettings *cmd);
 void txgbe_set_ethtool_ops(struct net_device *netdev);
 
 #endif /* _TXGBE_ETHTOOL_H_ */