extern int ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
ipsec_add_del_tunnel_args_t *
args, u32 * sw_if_index);
extern int ipsec_add_del_tunnel_if (ipsec_add_del_tunnel_args_t * args);
extern int ipsec_add_del_ipsec_gre_tunnel (vnet_main_t * vnm,
extern int ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
ipsec_add_del_tunnel_args_t *
args, u32 * sw_if_index);
extern int ipsec_add_del_tunnel_if (ipsec_add_del_tunnel_args_t * args);
extern int ipsec_add_del_ipsec_gre_tunnel (vnet_main_t * vnm,