l2tp_ioctl        233 net/l2tp/l2tp_core.h int l2tp_ioctl(struct sock *sk, int cmd, unsigned long arg);
l2tp_ioctl        595 net/l2tp/l2tp_ip.c EXPORT_SYMBOL(l2tp_ioctl);
l2tp_ioctl        605 net/l2tp/l2tp_ip.c 	.ioctl		   = l2tp_ioctl,
l2tp_ioctl        738 net/l2tp/l2tp_ip6.c 	.ioctl		   = l2tp_ioctl,