xref: /freebsd/sys/netgraph/ng_vlan_rotate.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
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 */
46 struct ng_vlanrotate_conf {
47 	int8_t		rot;
48 	uint8_t		min, max;
49 };
50 
51 struct 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 */
57 enum {
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_ */
66