pppol2tp_ops 132 net/l2tp/l2tp_ppp.c static const struct proto_ops pppol2tp_ops; pppol2tp_ops 517 net/l2tp/l2tp_ppp.c sock->ops = &pppol2tp_ops; pppol2tp_ops 1666 net/l2tp/l2tp_ppp.c static const struct proto_ops pppol2tp_ops = {