1. NAME▲

netdev_has_upper_dev - Check if device is linked to an upper device

2. SYNOPSIS ▲

bool netdev_has_upper_dev(struct net_device *  dev , struct net_device *  upper_dev );

3. ARGUMENTS ▲

dev
    device

upper_dev
    upper device to check

4. 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.

5. COPYRIGHT ▲