/*

 * Copyright (C)2006 USAGI/WIDE Project

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, see <http://www.gnu.org/licenses>.

 */

/*

 * Author:

 *	Masahide NAKAMURA @USAGI

 */

#ifndef __TUNNEL_H__

#define __TUNNEL_H__ 1

#include <stdbool.h>

#include <linux/types.h>

struct rtattr;

struct ifinfomsg;

extern struct rtnl_handle rth;

struct tnl_print_nlmsg_info {

	const struct ifinfomsg *ifi;

	const void *p1;

	void *p2;

	void (*init)(const struct tnl_print_nlmsg_info *info);

	bool (*match)(const struct tnl_print_nlmsg_info *info);

	void (*print)(const void *t);

};

int do_tunnels_list(struct tnl_print_nlmsg_info *info);

const char *tnl_strproto(__u8 proto);

int tnl_get_ioctl(const char *basedev, void *p);

int tnl_add_ioctl(int cmd, const char *basedev, const char *name, void *p);

int tnl_del_ioctl(const char *basedev, const char *name, void *p);

int tnl_prl_ioctl(int cmd, const char *name, void *p);

int tnl_6rd_ioctl(int cmd, const char *name, void *p);

int tnl_ioctl_get_6rd(const char *name, void *p);

__be32 tnl_parse_key(const char *name, const char *key);

void tnl_print_encap(struct rtattr *tb[],

		     int encap_type, int encap_flags,

		     int encap_sport, int encap_dport);

void tnl_print_endpoint(const char *name,

			const struct rtattr *rta, int family);

void tnl_print_gre_flags(__u8 proto,

			 __be16 i_flags, __be16 o_flags,

			 __be32 i_key, __be32 o_key);

#endif