net: ethtool: Export helpers for getting EEPROM info

There are two ways to retrieve information from SFP EEPROMs.  Many
devices make use of the common code, and assign the sfp_bus pointer in
the netdev to point to the bus holding the SFP device. Some MAC
drivers directly implement ops in there ethool structure.

Export within net/ethtool the two helpers used to call these methods,
so that they can also be used in the new netlink code.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ethtool/common.h

@@ -47,4 +47,9 @@ int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info);
 
 extern const struct ethtool_phy_ops *ethtool_phy_ops;
 
+int ethtool_get_module_info_call(struct net_device *dev,
+				 struct ethtool_modinfo *modinfo);
+int ethtool_get_module_eeprom_call(struct net_device *dev,
+				   struct ethtool_eeprom *ee, u8 *data);
+
 #endif /* _ETHTOOL_COMMON_H */

net/ethtool/ioctl.c

@@ -2188,8 +2188,8 @@ static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr)
 	return 0;
 }
 
-static int __ethtool_get_module_info(struct net_device *dev,
-				     struct ethtool_modinfo *modinfo)
+int ethtool_get_module_info_call(struct net_device *dev,
+				 struct ethtool_modinfo *modinfo)
 {
 	const struct ethtool_ops *ops = dev->ethtool_ops;
 	struct phy_device *phydev = dev->phydev;
@@ -2215,7 +2215,7 @@ static int ethtool_get_module_info(struct net_device *dev,
 	if (copy_from_user(&modinfo, useraddr, sizeof(modinfo)))
 		return -EFAULT;
 
-	ret = __ethtool_get_module_info(dev, &modinfo);
+	ret = ethtool_get_module_info_call(dev, &modinfo);
 	if (ret)
 		return ret;
 
@@ -2225,8 +2225,8 @@ static int ethtool_get_module_info(struct net_device *dev,
 	return 0;
 }
 
-static int __ethtool_get_module_eeprom(struct net_device *dev,
-				       struct ethtool_eeprom *ee, u8 *data)
+int ethtool_get_module_eeprom_call(struct net_device *dev,
+				   struct ethtool_eeprom *ee, u8 *data)
 {
 	const struct ethtool_ops *ops = dev->ethtool_ops;
 	struct phy_device *phydev = dev->phydev;
@@ -2249,12 +2249,12 @@ static int ethtool_get_module_eeprom(struct net_device *dev,
 	int ret;
 	struct ethtool_modinfo modinfo;
 
-	ret = __ethtool_get_module_info(dev, &modinfo);
+	ret = ethtool_get_module_info_call(dev, &modinfo);
 	if (ret)
 		return ret;
 
 	return ethtool_get_any_eeprom(dev, useraddr,
-				      __ethtool_get_module_eeprom,
+				      ethtool_get_module_eeprom_call,
 				      modinfo.eeprom_len);
 }