netdev_master_upper_dev_get_rcu(9)

1NETDEV_MASTER_UPPER_(9)     Network device support     NETDEV_MASTER_UPPER_(9)
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NAME

6       netdev_master_upper_dev_get_rcu - Get master upper device
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9       struct net_device *
10                                                           netdev_master_upper_dev_get_rcu(struct net_device * dev);
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13       dev
14           device
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17       Find a master upper device and return pointer to it or NULL in case
18       it's not there. The caller must hold the RCU read lock.
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21Kernel Hackers Manual 3.10         June 2019           NETDEV_MASTER_UPPER_(9)