/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2005 Nuno Antunes <nuno.antunes@gmail.com>
* Copyright (c) 2007 Alexander Motin <mav@freebsd.org>
* All rights reserved.
*
* 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 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 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.
*/
#ifndef _NETGRAPH_NG_CAR_H_
#define _NETGRAPH_NG_CAR_H_
#define NG_CAR_NODE_TYPE "car"
#define NGM_CAR_COOKIE 1173648034
/* Hook names */
#define NG_CAR_HOOK_UPPER "upper"
#define NG_CAR_HOOK_LOWER "lower"
/* Per hook statistics counters */
struct ng_car_hookstats {
u_int64_t passed_pkts; /* Counter for passed packets */
u_int64_t dropped_pkts; /* Counter for dropped packets */
u_int64_t green_pkts; /* Counter for green packets */
u_int64_t yellow_pkts; /* Counter for yellow packets */
u_int64_t red_pkts; /* Counter for red packets */
u_int64_t errors; /* Counter for operation errors */
};
#define NG_CAR_HOOKSTATS { \
{ "passed", &ng_parse_uint64_type }, \
{ "dropped", &ng_parse_uint64_type }, \
{ "green", &ng_parse_uint64_type }, \
{ "yellow", &ng_parse_uint64_type }, \
{ "red", &ng_parse_uint64_type }, \
{ "errors", &ng_parse_uint64_type }, \
{ NULL } \
}
/* Bulk statistics */
struct ng_car_bulkstats {
struct ng_car_hookstats upstream;
struct ng_car_hookstats downstream;
};
#define NG_CAR_BULKSTATS(hstatstype) { \
{ "upstream", (hstatstype) }, \
{ "downstream", (hstatstype) }, \
{ NULL } \
}
/* Per hook configuration */
struct ng_car_hookconf {
u_int64_t cbs; /* Committed burst size (bytes) */
u_int64_t ebs; /* Exceeded/Peak burst size (bytes) */
u_int64_t cir; /* Committed information rate (bits/s) */
u_int64_t pir; /* Peak information rate (bits/s) */
u_int8_t green_action; /* Action for green packets */
u_int8_t yellow_action; /* Action for yellow packets */
u_int8_t red_action; /* Action for red packets */
u_int8_t mode; /* single/double rate, ... */
u_int8_t opt; /* color-aware or color-blind */
};
/* Keep this definition in sync with the above structure */
#define NG_CAR_HOOKCONF { \
{ "cbs", &ng_parse_uint64_type }, \
{ "ebs", &ng_parse_uint64_type }, \
{ "cir", &ng_parse_uint64_type }, \
{ "pir", &ng_parse_uint64_type }, \
{ "greenAction", &ng_parse_uint8_type }, \
{ "yellowAction", &ng_parse_uint8_type }, \
{ "redAction", &ng_parse_uint8_type }, \
{ "mode", &ng_parse_uint8_type }, \
{ "opt", &ng_parse_uint8_type }, \
{ NULL } \
}
#define NG_CAR_CBS_MIN 8192
#define NG_CAR_EBS_MIN 8192
#define NG_CAR_CIR_DFLT 10240
/* possible actions (...Action) */
enum {
NG_CAR_ACTION_FORWARD = 1,
NG_CAR_ACTION_DROP,
NG_CAR_ACTION_MARK
};
/* operation modes (mode) */
enum {
NG_CAR_SINGLE_RATE = 0,
NG_CAR_DOUBLE_RATE,
NG_CAR_RED,
NG_CAR_SHAPE
};
/* mode options (bits in opt) */
#define NG_CAR_COLOR_AWARE 1
#define NG_CAR_COUNT_PACKETS 2
/* Bulk config */
struct ng_car_bulkconf {
struct ng_car_hookconf upstream;
struct ng_car_hookconf downstream;
};
#define NG_CAR_BULKCONF(hconftype) { \
{ "upstream", (hconftype) }, \
{ "downstream", (hconftype) }, \
{ NULL } \
}
/* Commands */
enum {
NGM_CAR_GET_STATS = 1, /* Get statistics */
NGM_CAR_CLR_STATS, /* Clear statistics */
NGM_CAR_GETCLR_STATS, /* Get and clear statistics */
NGM_CAR_GET_CONF, /* Get bulk configuration */
NGM_CAR_SET_CONF, /* Set bulk configuration */
};
#endif /* _NETGRAPH_NG_CAR_H_ */
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