1/*-
 2 * SPDX-License-Identifier: BSD-2-Clause
 3 *
 4 * Copyright (c) 2019-2021 IKS Service GmbH
 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 AUTHOR 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 AUTHOR 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 * Author: Lutz Donnerhacke <lutz@donnerhacke.de>
28 */
29
30#ifndef _NETGRAPH_NG_VLAN_ROTATE_H_
31#define _NETGRAPH_NG_VLAN_ROTATE_H_
32
33#define NG_VLANROTATE_NODE_TYPE		"vlan_rotate"
34#define NGM_VLANROTATE_COOKIE		1568378766
35
36/* Hook names */
37#define NG_VLANROTATE_HOOK_ORDERED	"ordered"
38#define NG_VLANROTATE_HOOK_ORIGINAL	"original"
39#define NG_VLANROTATE_HOOK_EXCESSIVE	"excessive"
40#define NG_VLANROTATE_HOOK_INCOMPLETE	"incomplete"
41
42/* Limits */
43#define NG_VLANROTATE_MAX_VLANS		10
44
45/* Datastructures for netgraph commands */
46struct ng_vlanrotate_conf {
47	int8_t		rot;
48	uint8_t		min, max;
49};
50
51struct ng_vlanrotate_stat {
52	uint64_t	drops, excessive, incomplete;
53	uint64_t	histogram[NG_VLANROTATE_MAX_VLANS];
54};
55
56/* Netgraph commands understood by this node type */
57enum {
58	NGM_VLANROTATE_GET_CONF = 1,
59	NGM_VLANROTATE_SET_CONF,
60	NGM_VLANROTATE_GET_STAT,
61	NGM_VLANROTATE_CLR_STAT,
62	NGM_VLANROTATE_GETCLR_STAT
63};
64
65#endif				/* _NETGRAPH_NG_VLAN_ROTATE_H_ */