Name

netdev_upper_dev_link — Add a link to the upper device

Synopsis

int netdev_upper_dev_link (struct net_device * dev,
 struct net_device * upper_dev);
 

Arguments

dev

device

upper_dev

new upper device

Description

Adds a link to device which is upper to this one. The caller must hold the RTNL lock. On a failure a negative errno code is returned. On success the reference counts are adjusted and the function returns zero.