dev_get_by_flags_rcu(9) centos man page | unix.com

DEV_GET_BY_FLAGS_RCU(9) 				      Network device support					   DEV_GET_BY_FLAGS_RCU(9)

NAME
       dev_get_by_flags_rcu - find any device with given flags

SYNOPSIS
       struct net_device * dev_get_by_flags_rcu(struct net * net, unsigned short if_flags, unsigned short mask);

ARGUMENTS
       net
	   the applicable net namespace

       if_flags
	   IFF_* values

       mask
	   bitmask of bits in if_flags to check

DESCRIPTION
       Search for any interface with the given flags. Returns NULL if a device is not found or a pointer to the device. Must be called inside
       rcu_read_lock, and result refcount is unchanged.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   DEV_GET_BY_FLAGS_RCU(9)