0a70aaf8f5
CoDel is a parameterless queue discipline that handles variable bandwidth and RTT. It can be used as the single queue discipline on an interface or as a sub discipline of existing queue disciplines such as PRIQ, CBQ, HFSC, FAIRQ. Differential Revision: https://reviews.freebsd.org/D3272 Reviewd by: rpaulo, gnn (previous version) Obtained from: pfSense Sponsored by: Rubicon Communications (Netgate)
207 lines
6.5 KiB
C
207 lines
6.5 KiB
C
/*-
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* Copyright (C) 1998-2003
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* Sony Computer Science Laboratories Inc. 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 SONY CSL 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 SONY CSL 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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* $KAME: altq.h,v 1.10 2003/07/10 12:07:47 kjc Exp $
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* $FreeBSD$
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*/
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#ifndef _ALTQ_ALTQ_H_
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#define _ALTQ_ALTQ_H_
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#if 0
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/*
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* allow altq-3 (altqd(8) and /dev/altq) to coexist with the new pf-based altq.
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* altq3 is mainly for research experiments. pf-based altq is for daily use.
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*/
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#define ALTQ3_COMPAT /* for compatibility with altq-3 */
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#define ALTQ3_CLFIER_COMPAT /* for compatibility with altq-3 classifier */
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#endif
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#ifdef ALTQ3_COMPAT
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#include <sys/param.h>
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#include <sys/ioccom.h>
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#include <sys/queue.h>
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#include <netinet/in.h>
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#ifndef IFNAMSIZ
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#define IFNAMSIZ 16
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#endif
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#endif /* ALTQ3_COMPAT */
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/* altq discipline type */
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#define ALTQT_NONE 0 /* reserved */
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#define ALTQT_CBQ 1 /* cbq */
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#define ALTQT_WFQ 2 /* wfq */
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#define ALTQT_AFMAP 3 /* afmap */
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#define ALTQT_FIFOQ 4 /* fifoq */
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#define ALTQT_RED 5 /* red */
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#define ALTQT_RIO 6 /* rio */
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#define ALTQT_LOCALQ 7 /* local use */
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#define ALTQT_HFSC 8 /* hfsc */
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#define ALTQT_CDNR 9 /* traffic conditioner */
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#define ALTQT_BLUE 10 /* blue */
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#define ALTQT_PRIQ 11 /* priority queue */
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#define ALTQT_JOBS 12 /* JoBS */
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#define ALTQT_FAIRQ 13 /* fairq */
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#define ALTQT_CODEL 14 /* CoDel */
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#define ALTQT_MAX 15 /* should be max discipline type + 1 */
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#ifdef ALTQ3_COMPAT
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struct altqreq {
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char ifname[IFNAMSIZ]; /* if name, e.g. "en0" */
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u_long arg; /* request-specific argument */
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};
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#endif
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/* simple token backet meter profile */
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struct tb_profile {
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u_int rate; /* rate in bit-per-sec */
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u_int depth; /* depth in bytes */
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};
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#ifdef ALTQ3_COMPAT
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struct tbrreq {
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char ifname[IFNAMSIZ]; /* if name, e.g. "en0" */
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struct tb_profile tb_prof; /* token bucket profile */
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};
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#ifdef ALTQ3_CLFIER_COMPAT
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/*
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* common network flow info structure
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*/
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struct flowinfo {
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u_char fi_len; /* total length */
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u_char fi_family; /* address family */
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u_int8_t fi_data[46]; /* actually longer; address family
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specific flow info. */
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};
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/*
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* flow info structure for internet protocol family.
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* (currently this is the only protocol family supported)
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*/
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struct flowinfo_in {
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u_char fi_len; /* sizeof(struct flowinfo_in) */
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u_char fi_family; /* AF_INET */
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u_int8_t fi_proto; /* IPPROTO_XXX */
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u_int8_t fi_tos; /* type-of-service */
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struct in_addr fi_dst; /* dest address */
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struct in_addr fi_src; /* src address */
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u_int16_t fi_dport; /* dest port */
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u_int16_t fi_sport; /* src port */
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u_int32_t fi_gpi; /* generalized port id for ipsec */
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u_int8_t _pad[28]; /* make the size equal to
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flowinfo_in6 */
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};
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#ifdef SIN6_LEN
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struct flowinfo_in6 {
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u_char fi6_len; /* sizeof(struct flowinfo_in6) */
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u_char fi6_family; /* AF_INET6 */
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u_int8_t fi6_proto; /* IPPROTO_XXX */
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u_int8_t fi6_tclass; /* traffic class */
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u_int32_t fi6_flowlabel; /* ipv6 flowlabel */
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u_int16_t fi6_dport; /* dest port */
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u_int16_t fi6_sport; /* src port */
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u_int32_t fi6_gpi; /* generalized port id */
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struct in6_addr fi6_dst; /* dest address */
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struct in6_addr fi6_src; /* src address */
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};
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#endif /* INET6 */
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/*
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* flow filters for AF_INET and AF_INET6
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*/
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struct flow_filter {
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int ff_ruleno;
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struct flowinfo_in ff_flow;
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struct {
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struct in_addr mask_dst;
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struct in_addr mask_src;
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u_int8_t mask_tos;
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u_int8_t _pad[3];
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} ff_mask;
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u_int8_t _pad2[24]; /* make the size equal to flow_filter6 */
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};
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#ifdef SIN6_LEN
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struct flow_filter6 {
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int ff_ruleno;
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struct flowinfo_in6 ff_flow6;
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struct {
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struct in6_addr mask6_dst;
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struct in6_addr mask6_src;
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u_int8_t mask6_tclass;
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u_int8_t _pad[3];
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} ff_mask6;
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};
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#endif /* INET6 */
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#endif /* ALTQ3_CLFIER_COMPAT */
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#endif /* ALTQ3_COMPAT */
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/*
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* generic packet counter
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*/
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struct pktcntr {
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u_int64_t packets;
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u_int64_t bytes;
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};
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#define PKTCNTR_ADD(cntr, len) \
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do { (cntr)->packets++; (cntr)->bytes += len; } while (/*CONSTCOND*/ 0)
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#ifdef ALTQ3_COMPAT
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/*
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* altq related ioctls
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*/
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#define ALTQGTYPE _IOWR('q', 0, struct altqreq) /* get queue type */
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#if 0
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/*
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* these ioctls are currently discipline-specific but could be shared
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* in the future.
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*/
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#define ALTQATTACH _IOW('q', 1, struct altqreq) /* attach discipline */
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#define ALTQDETACH _IOW('q', 2, struct altqreq) /* detach discipline */
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#define ALTQENABLE _IOW('q', 3, struct altqreq) /* enable discipline */
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#define ALTQDISABLE _IOW('q', 4, struct altqreq) /* disable discipline*/
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#define ALTQCLEAR _IOW('q', 5, struct altqreq) /* (re)initialize */
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#define ALTQCONFIG _IOWR('q', 6, struct altqreq) /* set config params */
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#define ALTQADDCLASS _IOWR('q', 7, struct altqreq) /* add a class */
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#define ALTQMODCLASS _IOWR('q', 8, struct altqreq) /* modify a class */
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#define ALTQDELCLASS _IOWR('q', 9, struct altqreq) /* delete a class */
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#define ALTQADDFILTER _IOWR('q', 10, struct altqreq) /* add a filter */
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#define ALTQDELFILTER _IOWR('q', 11, struct altqreq) /* delete a filter */
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#define ALTQGETSTATS _IOWR('q', 12, struct altqreq) /* get statistics */
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#define ALTQGETCNTR _IOWR('q', 13, struct altqreq) /* get a pkt counter */
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#endif /* 0 */
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#define ALTQTBRSET _IOW('q', 14, struct tbrreq) /* set tb regulator */
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#define ALTQTBRGET _IOWR('q', 15, struct tbrreq) /* get tb regulator */
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#endif /* ALTQ3_COMPAT */
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#ifdef _KERNEL
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#include <net/altq/altq_var.h>
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#endif
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#endif /* _ALTQ_ALTQ_H_ */
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