l2tp_sk_to_tunnel
tunnel = l2tp_sk_to_tunnel(sk);
tunnel = l2tp_sk_to_tunnel(sk);
EXPORT_SYMBOL_GPL(l2tp_sk_to_tunnel);
struct l2tp_tunnel *l2tp_sk_to_tunnel(const struct sock *sk);
tunnel = l2tp_sk_to_tunnel(sk);
tunnel = l2tp_sk_to_tunnel(sk);