netdev_has_upper_dev_all

netdev_has_upper_dev_all_rcu
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Name

netdev_has_upper_dev_all_rcu — Check if device is linked to an upper device

Synopsis

`bool netdev_has_upper_dev_all_rcu (`	struct net_device * `dev`,
	struct net_device * `upper_dev)`;

Arguments

struct net_device * dev: device
struct net_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 the entire upper device chain. The caller must hold rcu lock.

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