Name
netdev_has_upper_dev —
Check if device is linked to an upper device
Synopsis
bool netdev_has_upper_dev ( | struct net_device * dev, |
| | struct net_device * upper_dev); |
Arguments
dev
device
upper_dev
upper device to check
Description
Find out if a device is linked to specified upper device and return true
in case it is. Note that this checks only immediate upper device,
not through a complete stack of devices. The caller must hold the RTNL lock.