--- zzzz-none-000/linux-4.4.271/drivers/net/phy/phy.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/drivers/net/phy/phy.c	2023-04-19 10:22:29.000000000 +0000
@@ -391,6 +391,50 @@
 }
 EXPORT_SYMBOL(phy_ethtool_gset);
 
+int phy_ethtool_ioctl(struct phy_device *phydev, void *useraddr)
+{
+	u32 cmd;
+	int tmp;
+	struct ethtool_cmd ecmd = { ETHTOOL_GSET };
+	struct ethtool_value edata = { ETHTOOL_GLINK };
+
+	if (get_user(cmd, (u32 *) useraddr))
+		return -EFAULT;
+
+	switch (cmd) {
+	case ETHTOOL_GSET:
+		phy_ethtool_gset(phydev, &ecmd);
+		if (copy_to_user(useraddr, &ecmd, sizeof(ecmd)))
+			return -EFAULT;
+		return 0;
+
+	case ETHTOOL_SSET:
+		if (copy_from_user(&ecmd, useraddr, sizeof(ecmd)))
+			return -EFAULT;
+		return phy_ethtool_sset(phydev, &ecmd);
+
+	case ETHTOOL_NWAY_RST:
+		/* if autoneg is off, it's an error */
+		tmp = phy_read(phydev, MII_BMCR);
+		if (tmp & BMCR_ANENABLE) {
+			tmp |= (BMCR_ANRESTART);
+			phy_write(phydev, MII_BMCR, tmp);
+			return 0;
+		}
+		return -EINVAL;
+
+	case ETHTOOL_GLINK:
+		edata.data = (phy_read(phydev,
+				MII_BMSR) & BMSR_LSTATUS) ? 1 : 0;
+		if (copy_to_user(useraddr, &edata, sizeof(edata)))
+			return -EFAULT;
+		return 0;
+	}
+
+	return -EOPNOTSUPP;
+}
+EXPORT_SYMBOL(phy_ethtool_ioctl);
+
 /**
  * phy_mii_ioctl - generic PHY MII ioctl interface
  * @phydev: the phy_device struct
@@ -530,6 +574,7 @@
 {
 	queue_delayed_work(system_power_efficient_wq, &phydev->state_queue, HZ);
 }
+EXPORT_SYMBOL(phy_start_machine);
 
 /**
  * phy_stop_machine - stop the PHY state machine tracking
@@ -548,6 +593,7 @@
 		phydev->state = PHY_UP;
 	mutex_unlock(&phydev->lock);
 }
+EXPORT_SYMBOL(phy_stop_machine);
 
 /**
  * phy_error - enter HALTED state for this PHY device