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-rw-r--r--include/linux/phy.h9
-rw-r--r--net/core/ethtool.c45
2 files changed, 43 insertions, 11 deletions
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 22af8f8f5802..9c189a1fa3a2 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -565,6 +565,15 @@ struct phy_driver {
void (*write_mmd_indirect)(struct phy_device *dev, int ptrad,
int devnum, int regnum, u32 val);
+ /* Get the size and type of the eeprom contained within a plug-in
+ * module */
+ int (*module_info)(struct phy_device *dev,
+ struct ethtool_modinfo *modinfo);
+
+ /* Get the eeprom information from the plug-in module */
+ int (*module_eeprom)(struct phy_device *dev,
+ struct ethtool_eeprom *ee, u8 *data);
+
struct device_driver driver;
};
#define to_phy_driver(d) container_of(d, struct phy_driver, driver)
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 550892cd6b3f..91f74f3eb204 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -1597,20 +1597,31 @@ static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr)
return err;
}
+static int __ethtool_get_module_info(struct net_device *dev,
+ struct ethtool_modinfo *modinfo)
+{
+ const struct ethtool_ops *ops = dev->ethtool_ops;
+ struct phy_device *phydev = dev->phydev;
+
+ if (phydev && phydev->drv && phydev->drv->module_info)
+ return phydev->drv->module_info(phydev, modinfo);
+
+ if (ops->get_module_info)
+ return ops->get_module_info(dev, modinfo);
+
+ return -EOPNOTSUPP;
+}
+
static int ethtool_get_module_info(struct net_device *dev,
void __user *useraddr)
{
int ret;
struct ethtool_modinfo modinfo;
- const struct ethtool_ops *ops = dev->ethtool_ops;
-
- if (!ops->get_module_info)
- return -EOPNOTSUPP;
if (copy_from_user(&modinfo, useraddr, sizeof(modinfo)))
return -EFAULT;
- ret = ops->get_module_info(dev, &modinfo);
+ ret = __ethtool_get_module_info(dev, &modinfo);
if (ret)
return ret;
@@ -1620,21 +1631,33 @@ 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)
+{
+ const struct ethtool_ops *ops = dev->ethtool_ops;
+ struct phy_device *phydev = dev->phydev;
+
+ if (phydev && phydev->drv && phydev->drv->module_eeprom)
+ return phydev->drv->module_eeprom(phydev, ee, data);
+
+ if (ops->get_module_eeprom)
+ return ops->get_module_eeprom(dev, ee, data);
+
+ return -EOPNOTSUPP;
+}
+
static int ethtool_get_module_eeprom(struct net_device *dev,
void __user *useraddr)
{
int ret;
struct ethtool_modinfo modinfo;
- const struct ethtool_ops *ops = dev->ethtool_ops;
-
- if (!ops->get_module_info || !ops->get_module_eeprom)
- return -EOPNOTSUPP;
- ret = ops->get_module_info(dev, &modinfo);
+ ret = __ethtool_get_module_info(dev, &modinfo);
if (ret)
return ret;
- return ethtool_get_any_eeprom(dev, useraddr, ops->get_module_eeprom,
+ return ethtool_get_any_eeprom(dev, useraddr,
+ __ethtool_get_module_eeprom,
modinfo.eeprom_len);
}