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140 lines
4.6 KiB
C
140 lines
4.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2005 Nuno Antunes <nuno.antunes@gmail.com>
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* Copyright (c) 2007 Alexander Motin <mav@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _NETGRAPH_NG_CAR_H_
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#define _NETGRAPH_NG_CAR_H_
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#define NG_CAR_NODE_TYPE "car"
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#define NGM_CAR_COOKIE 1173648034
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/* Hook names */
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#define NG_CAR_HOOK_UPPER "upper"
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#define NG_CAR_HOOK_LOWER "lower"
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/* Per hook statistics counters */
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struct ng_car_hookstats {
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u_int64_t passed_pkts; /* Counter for passed packets */
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u_int64_t dropped_pkts; /* Counter for dropped packets */
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u_int64_t green_pkts; /* Counter for green packets */
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u_int64_t yellow_pkts; /* Counter for yellow packets */
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u_int64_t red_pkts; /* Counter for red packets */
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u_int64_t errors; /* Counter for operation errors */
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};
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#define NG_CAR_HOOKSTATS { \
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{ "passed", &ng_parse_uint64_type }, \
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{ "dropped", &ng_parse_uint64_type }, \
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{ "green", &ng_parse_uint64_type }, \
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{ "yellow", &ng_parse_uint64_type }, \
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{ "red", &ng_parse_uint64_type }, \
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{ "errors", &ng_parse_uint64_type }, \
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{ NULL } \
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}
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/* Bulk statistics */
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struct ng_car_bulkstats {
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struct ng_car_hookstats upstream;
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struct ng_car_hookstats downstream;
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};
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#define NG_CAR_BULKSTATS(hstatstype) { \
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{ "upstream", (hstatstype) }, \
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{ "downstream", (hstatstype) }, \
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{ NULL } \
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}
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/* Per hook configuration */
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struct ng_car_hookconf {
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u_int64_t cbs; /* Committed burst size (bytes) */
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u_int64_t ebs; /* Exceeded/Peak burst size (bytes) */
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u_int64_t cir; /* Committed information rate (bits/s) */
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u_int64_t pir; /* Peak information rate (bits/s) */
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u_int8_t green_action; /* Action for green packets */
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u_int8_t yellow_action; /* Action for yellow packets */
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u_int8_t red_action; /* Action for red packets */
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u_int8_t mode; /* single/double rate, ... */
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u_int8_t opt; /* color-aware or color-blind */
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};
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/* Keep this definition in sync with the above structure */
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#define NG_CAR_HOOKCONF { \
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{ "cbs", &ng_parse_uint64_type }, \
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{ "ebs", &ng_parse_uint64_type }, \
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{ "cir", &ng_parse_uint64_type }, \
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{ "pir", &ng_parse_uint64_type }, \
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{ "greenAction", &ng_parse_uint8_type }, \
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{ "yellowAction", &ng_parse_uint8_type }, \
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{ "redAction", &ng_parse_uint8_type }, \
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{ "mode", &ng_parse_uint8_type }, \
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{ "opt", &ng_parse_uint8_type }, \
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{ NULL } \
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}
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#define NG_CAR_CBS_MIN 8192
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#define NG_CAR_EBS_MIN 8192
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#define NG_CAR_CIR_DFLT 10240
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/* possible actions (...Action) */
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enum {
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NG_CAR_ACTION_FORWARD = 1,
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NG_CAR_ACTION_DROP,
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NG_CAR_ACTION_MARK
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};
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/* operation modes (mode) */
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enum {
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NG_CAR_SINGLE_RATE = 0,
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NG_CAR_DOUBLE_RATE,
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NG_CAR_RED,
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NG_CAR_SHAPE
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};
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/* mode options (bits in opt) */
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#define NG_CAR_COLOR_AWARE 1
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#define NG_CAR_COUNT_PACKETS 2
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/* Bulk config */
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struct ng_car_bulkconf {
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struct ng_car_hookconf upstream;
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struct ng_car_hookconf downstream;
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};
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#define NG_CAR_BULKCONF(hconftype) { \
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{ "upstream", (hconftype) }, \
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{ "downstream", (hconftype) }, \
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{ NULL } \
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}
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/* Commands */
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enum {
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NGM_CAR_GET_STATS = 1, /* Get statistics */
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NGM_CAR_CLR_STATS, /* Clear statistics */
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NGM_CAR_GETCLR_STATS, /* Get and clear statistics */
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NGM_CAR_GET_CONF, /* Get bulk configuration */
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NGM_CAR_SET_CONF, /* Set bulk configuration */
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};
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#endif /* _NETGRAPH_NG_CAR_H_ */
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