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- jessie-backports 4.9.88-1+deb9u1~bpo8+1
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NETDEV_HAS_UPPER_DEV(9) | Network device support | NETDEV_HAS_UPPER_DEV(9) |
NAME¶
netdev_has_upper_dev - Check if device is linked to an upper deviceSYNOPSIS¶
bool
netdev_has_upper_dev(struct net_device * dev,
struct net_device * upper_dev);
ARGUMENTS¶
devdevice
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 only immediate upper device, not through a complete stack of devices. The caller must hold the RTNL lock.COPYRIGHT¶
May 2018 | Kernel Hackers Manual 4.9. |