NETDEV_UPPER_DEV_LIN(9) Network device support NETDEV_UPPER_DEV_LIN(9)
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.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 NETDEV_UPPER_DEV_LIN(9)
