1 files changed, 84 insertions, 6 deletions

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index bf7fdb875f74..23ded8a14abf 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -659,10 +659,54 @@ static int hns3_get_link_ksettings(struct net_device *netdev,
 	return 0;
 }
 
+static int hns3_check_ksettings_param(struct net_device *netdev,
+				      const struct ethtool_link_ksettings *cmd)
+{
+	struct hnae3_handle *handle = hns3_get_handle(netdev);
+	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+	u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN;
+	u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
+	u8 autoneg;
+	u32 speed;
+	u8 duplex;
+	int ret;
+
+	if (ops->get_ksettings_an_result) {
+		ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex);
+		if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
+		    cmd->base.duplex == duplex)
+			return 0;
+	}
+
+	if (ops->get_media_type)
+		ops->get_media_type(handle, &media_type, &module_type);
+
+	if (cmd->base.duplex != DUPLEX_FULL &&
+	    media_type != HNAE3_MEDIA_TYPE_COPPER) {
+		netdev_err(netdev,
+			   "only copper port supports half duplex!");
+		return -EINVAL;
+	}
+
+	if (ops->check_port_speed) {
+		ret = ops->check_port_speed(handle, cmd->base.speed);
+		if (ret) {
+			netdev_err(netdev, "unsupported speed\n");
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
 static int hns3_set_link_ksettings(struct net_device *netdev,
 				   const struct ethtool_link_ksettings *cmd)
 {
-	/* Chip doesn't support this mode. */
+	struct hnae3_handle *handle = hns3_get_handle(netdev);
+	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+	int ret = 0;
+
+	/* Chip don't support this mode. */
 	if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
 		return -EINVAL;
 
@@ -670,7 +714,24 @@ static int hns3_set_link_ksettings(struct net_device *netdev,
 	if (netdev->phydev)
 		return phy_ethtool_ksettings_set(netdev->phydev, cmd);
 
-	return -EOPNOTSUPP;
+	if (handle->pdev->revision == 0x20)
+		return -EOPNOTSUPP;
+
+	ret = hns3_check_ksettings_param(netdev, cmd);
+	if (ret)
+		return ret;
+
+	if (ops->set_autoneg) {
+		ret = ops->set_autoneg(handle, cmd->base.autoneg);
+		if (ret)
+			return ret;
+	}
+
+	if (ops->cfg_mac_speed_dup_h)
+		ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
+					       cmd->base.duplex);
+
+	return ret;
 }
 
 static u32 hns3_get_rss_key_size(struct net_device *netdev)
@@ -875,19 +936,36 @@ static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
 
 static int hns3_nway_reset(struct net_device *netdev)
 {
+	struct hnae3_handle *handle = hns3_get_handle(netdev);
+	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
 	struct phy_device *phy = netdev->phydev;
+	int autoneg;
 
 	if (!netif_running(netdev))
 		return 0;
 
-	/* Only support nway_reset for netdev with phy attached for now */
-	if (!phy)
+	if (hns3_nic_resetting(netdev)) {
+		netdev_err(netdev, "dev resetting!");
+		return -EBUSY;
+	}
+
+	if (!ops->get_autoneg || !ops->restart_autoneg)
 		return -EOPNOTSUPP;
 
-	if (phy->autoneg != AUTONEG_ENABLE)
+	autoneg = ops->get_autoneg(handle);
+	if (autoneg != AUTONEG_ENABLE) {
+		netdev_err(netdev,
+			   "Autoneg is off, don't support to restart it\n");
 		return -EINVAL;
+	}
+
+	if (phy)
+		return genphy_restart_aneg(phy);
+
+	if (handle->pdev->revision == 0x20)
+		return -EOPNOTSUPP;
 
-	return genphy_restart_aneg(phy);
+	return ops->restart_autoneg(handle);
 }
 
 static void hns3_get_channels(struct net_device *netdev,