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-rw-r--r--net/core/dev.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 39fe369b46ad..a1f24151db5b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5912,6 +5912,24 @@ int dev_get_phys_port_id(struct net_device *dev,
EXPORT_SYMBOL(dev_get_phys_port_id);
/**
+ * dev_get_phys_port_name - Get device physical port name
+ * @dev: device
+ * @name: port name
+ *
+ * Get device physical port name
+ */
+int dev_get_phys_port_name(struct net_device *dev,
+ char *name, size_t len)
+{
+ const struct net_device_ops *ops = dev->netdev_ops;
+
+ if (!ops->ndo_get_phys_port_name)
+ return -EOPNOTSUPP;
+ return ops->ndo_get_phys_port_name(dev, name, len);
+}
+EXPORT_SYMBOL(dev_get_phys_port_name);
+
+/**
* dev_new_index - allocate an ifindex
* @net: the applicable net namespace
*