ng_vlan_rotate.h

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/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2019-2021 IKS Service GmbH
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * Author: Lutz Donnerhacke <lutz@donnerhacke.de>
 *
 * $FreeBSD$
 */
 
#ifndef _NETGRAPH_NG_VLAN_ROTATE_H_
#define _NETGRAPH_NG_VLAN_ROTATE_H_
 
#define NG_VLANROTATE_NODE_TYPE         "vlan_rotate"
#define NGM_VLANROTATE_COOKIE           1568378766
 
/* Hook names */
#define NG_VLANROTATE_HOOK_ORDERED      "ordered"
#define NG_VLANROTATE_HOOK_ORIGINAL     "original"
#define NG_VLANROTATE_HOOK_EXCESSIVE    "excessive"
#define NG_VLANROTATE_HOOK_INCOMPLETE   "incomplete"
 
/* Limits */
#define NG_VLANROTATE_MAX_VLANS         10
 
/* Datastructures for netgraph commands */
struct ng_vlanrotate_conf {
        int8_t          rot;
        uint8_t         min, max;
};
 
struct ng_vlanrotate_stat {
        uint64_t        drops, excessive, incomplete;
        uint64_t        histogram[NG_VLANROTATE_MAX_VLANS];
};
 
/* Netgraph commands understood by this node type */
enum {
        NGM_VLANROTATE_GET_CONF = 1,
        NGM_VLANROTATE_SET_CONF,
        NGM_VLANROTATE_GET_STAT,
        NGM_VLANROTATE_CLR_STAT,
        NGM_VLANROTATE_GETCLR_STAT
};
 
#endif                          /* _NETGRAPH_NG_VLAN_ROTATE_H_ */