1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2021-2022 Rubicon Communications, LLC (Netgate)
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#ifndef _NET_IF_OVPN_H_
29#define _NET_IF_OVPN_H_
30
31#include <sys/types.h>
32#include <netinet/in.h>
33
34/* Maximum size of an ioctl request. */
35#define OVPN_MAX_REQUEST_SIZE	4096
36
37enum ovpn_notif_type {
38	OVPN_NOTIF_DEL_PEER,
39	OVPN_NOTIF_ROTATE_KEY,
40};
41
42enum ovpn_del_reason {
43	OVPN_DEL_REASON_REQUESTED	= 0,
44	OVPN_DEL_REASON_TIMEOUT		= 1
45};
46
47enum ovpn_key_slot {
48	OVPN_KEY_SLOT_PRIMARY	= 0,
49	OVPN_KEY_SLOT_SECONDARY	= 1
50};
51
52enum ovpn_key_cipher {
53	OVPN_CIPHER_ALG_NONE			= 0,
54	OVPN_CIPHER_ALG_AES_GCM			= 1,
55	OVPN_CIPHER_ALG_CHACHA20_POLY1305	= 2
56};
57
58#define OVPN_NEW_PEER		_IO  ('D', 1)
59#define OVPN_DEL_PEER		_IO  ('D', 2)
60#define OVPN_GET_STATS		_IO  ('D', 3)
61#define OVPN_NEW_KEY		_IO  ('D', 4)
62#define OVPN_SWAP_KEYS		_IO  ('D', 5)
63#define OVPN_DEL_KEY		_IO  ('D', 6)
64#define OVPN_SET_PEER		_IO  ('D', 7)
65#define OVPN_START_VPN		_IO  ('D', 8)
66/* OVPN_SEND_PKT		_IO  ('D', 9) */
67#define OVPN_POLL_PKT		_IO  ('D', 10)
68#define OVPN_GET_PKT		_IO  ('D', 11)
69#define OVPN_SET_IFMODE		_IO  ('D', 12)
70#define OVPN_GET_PEER_STATS	_IO  ('D', 13)
71
72#endif
73