netdev_upper_dev_link (9) - Linux Manuals

netdev_upper_dev_link: Add a link to the upper device

Command to display netdev_upper_dev_link manual in Linux: $ man 9 netdev_upper_dev_link

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.