xref: /freebsd/sys/netgraph/ng_vlan_rotate.h (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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  * $FreeBSD$
30  */
31 
32 #ifndef _NETGRAPH_NG_VLAN_ROTATE_H_
33 #define _NETGRAPH_NG_VLAN_ROTATE_H_
34 
35 #define NG_VLANROTATE_NODE_TYPE		"vlan_rotate"
36 #define NGM_VLANROTATE_COOKIE		1568378766
37 
38 /* Hook names */
39 #define NG_VLANROTATE_HOOK_ORDERED	"ordered"
40 #define NG_VLANROTATE_HOOK_ORIGINAL	"original"
41 #define NG_VLANROTATE_HOOK_EXCESSIVE	"excessive"
42 #define NG_VLANROTATE_HOOK_INCOMPLETE	"incomplete"
43 
44 /* Limits */
45 #define NG_VLANROTATE_MAX_VLANS		10
46 
47 /* Datastructures for netgraph commands */
48 struct ng_vlanrotate_conf {
49 	int8_t		rot;
50 	uint8_t		min, max;
51 };
52 
53 struct ng_vlanrotate_stat {
54 	uint64_t	drops, excessive, incomplete;
55 	uint64_t	histogram[NG_VLANROTATE_MAX_VLANS];
56 };
57 
58 /* Netgraph commands understood by this node type */
59 enum {
60 	NGM_VLANROTATE_GET_CONF = 1,
61 	NGM_VLANROTATE_SET_CONF,
62 	NGM_VLANROTATE_GET_STAT,
63 	NGM_VLANROTATE_CLR_STAT,
64 	NGM_VLANROTATE_GETCLR_STAT
65 };
66 
67 #endif				/* _NETGRAPH_NG_VLAN_ROTATE_H_ */
68