freebsd-dev/sys/net/altq/altq.h
2020-09-01 21:19:14 +00:00

106 lines
3.8 KiB
C

/*-
* Copyright (C) 1998-2003
* Sony Computer Science Laboratories Inc. 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 SONY CSL 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 SONY CSL 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.
*
* $KAME: altq.h,v 1.10 2003/07/10 12:07:47 kjc Exp $
* $FreeBSD$
*/
#ifndef _ALTQ_ALTQ_H_
#define _ALTQ_ALTQ_H_
#if 0
/*
* allow altq-3 (altqd(8) and /dev/altq) to coexist with the new pf-based altq.
* altq3 is mainly for research experiments. pf-based altq is for daily use.
*/
#define ALTQ3_COMPAT /* for compatibility with altq-3 */
#define ALTQ3_CLFIER_COMPAT /* for compatibility with altq-3 classifier */
#endif
/* altq discipline type */
#define ALTQT_NONE 0 /* reserved */
#define ALTQT_CBQ 1 /* cbq */
#define ALTQT_WFQ 2 /* wfq */
#define ALTQT_AFMAP 3 /* afmap */
#define ALTQT_FIFOQ 4 /* fifoq */
#define ALTQT_RED 5 /* red */
#define ALTQT_RIO 6 /* rio */
#define ALTQT_LOCALQ 7 /* local use */
#define ALTQT_HFSC 8 /* hfsc */
#define ALTQT_CDNR 9 /* traffic conditioner */
#define ALTQT_BLUE 10 /* blue */
#define ALTQT_PRIQ 11 /* priority queue */
#define ALTQT_JOBS 12 /* JoBS */
#define ALTQT_FAIRQ 13 /* fairq */
#define ALTQT_CODEL 14 /* CoDel */
#define ALTQT_MAX 15 /* should be max discipline type + 1 */
/* simple token backet meter profile */
struct tb_profile {
u_int64_t rate; /* rate in bit-per-sec */
u_int32_t depth; /* depth in bytes */
};
/*
* generic packet counter
*/
struct pktcntr {
u_int64_t packets;
u_int64_t bytes;
};
#define PKTCNTR_ADD(cntr, len) \
do { (cntr)->packets++; (cntr)->bytes += len; } while (/*CONSTCOND*/ 0)
#ifdef _KERNEL
#include <net/altq/altq_var.h>
#endif
/*
* Can't put these versions in the scheduler-specific headers and include
* them all here as that will cause build failure due to cross-including
* each other scheduler's private bits into each scheduler's
* implementation.
*/
#define CBQ_STATS_VERSION 0 /* Latest version of class_stats_t */
#define CODEL_STATS_VERSION 0 /* Latest version of codel_ifstats */
#define FAIRQ_STATS_VERSION 0 /* Latest version of fairq_classstats */
#define HFSC_STATS_VERSION 1 /* Latest version of hfsc_classstats */
#define PRIQ_STATS_VERSION 0 /* Latest version of priq_classstats */
/* Return the latest stats version for the given scheduler. */
static inline int altq_stats_version(int scheduler)
{
switch (scheduler) {
case ALTQT_CBQ: return (CBQ_STATS_VERSION);
case ALTQT_CODEL: return (CODEL_STATS_VERSION);
case ALTQT_FAIRQ: return (FAIRQ_STATS_VERSION);
case ALTQT_HFSC: return (HFSC_STATS_VERSION);
case ALTQT_PRIQ: return (PRIQ_STATS_VERSION);
default: return (0);
}
}
#endif /* _ALTQ_ALTQ_H_ */