netdev_master_upper_dev_get (9) Linux Manual Page
netdev_master_upper_dev_get – Get master upper device
Synopsis
struct net_device *netdev_master_upper_dev_get(struct net_device *dev);Arguments
dev
-
- device
Description
Find a master upper device and return pointer to it or NULL in case it’s not there. The caller must hold the RTNL lock.