/*      $NetBSD: altq.h,v 1.5 2024/12/24 08:35:28 ozaki-r Exp $ */
/*      $KAME: altq.h,v 1.10 2003/07/10 12:07:47 kjc Exp $      */

/*
* 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.
*/
#ifndef _ALTQ_ALTQ_H_
#define _ALTQ_ALTQ_H_

#if 1
/*
* 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

#ifdef ALTQ3_COMPAT
#include <sys/param.h>
#include <sys/ioccom.h>
#include <sys/queue.h>
#include <netinet/in.h>

#ifndef IFNAMSIZ
#define IFNAMSIZ        16
#endif
#endif /* ALTQ3_COMPAT */

/* 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_MAX               13      /* should be max discipline type + 1 */

#ifdef ALTQ3_COMPAT
struct  altqreq {
       char    ifname[IFNAMSIZ];       /* if name, e.g. "en0" */
       u_long  arg;                    /* request-specific argument */
};
#endif

/* simple token backet meter profile */
struct  tb_profile {
       uint64_t        rate;   /* rate in bit-per-sec */
       u_int   depth;  /* depth in bytes */
};

#ifdef ALTQ3_COMPAT
struct  tbrreq {
       char    ifname[IFNAMSIZ];       /* if name, e.g. "en0" */
       struct  tb_profile tb_prof;     /* token bucket profile */
};

#ifdef ALTQ3_CLFIER_COMPAT
/*
* common network flow info structure
*/
struct flowinfo {
       u_char          fi_len;         /* total length */
       u_char          fi_family;      /* address family */
       u_int8_t        fi_data[46];    /* actually longer; address family
                                          specific flow info. */
};

/*
* flow info structure for internet protocol family.
* (currently this is the only protocol family supported)
*/
struct flowinfo_in {
       u_char          fi_len;         /* sizeof(struct flowinfo_in) */
       u_char          fi_family;      /* AF_INET */
       u_int8_t        fi_proto;       /* IPPROTO_XXX */
       u_int8_t        fi_tos;         /* type-of-service */
       struct in_addr  fi_dst;         /* dest address */
       struct in_addr  fi_src;         /* src address */
       u_int16_t       fi_dport;       /* dest port */
       u_int16_t       fi_sport;       /* src port */
       u_int32_t       fi_gpi;         /* generalized port id for ipsec */
       u_int8_t        _pad[28];       /* make the size equal to
                                          flowinfo_in6 */
};

#ifdef SIN6_LEN
struct flowinfo_in6 {
       u_char          fi6_len;        /* sizeof(struct flowinfo_in6) */
       u_char          fi6_family;     /* AF_INET6 */
       u_int8_t        fi6_proto;      /* IPPROTO_XXX */
       u_int8_t        fi6_tclass;     /* traffic class */
       u_int32_t       fi6_flowlabel;  /* ipv6 flowlabel */
       u_int16_t       fi6_dport;      /* dest port */
       u_int16_t       fi6_sport;      /* src port */
       u_int32_t       fi6_gpi;        /* generalized port id */
       struct in6_addr fi6_dst;        /* dest address */
       struct in6_addr fi6_src;        /* src address */
};
#endif /* INET6 */

/*
* flow filters for AF_INET and AF_INET6
*/
struct flow_filter {
       int                     ff_ruleno;
       struct flowinfo_in      ff_flow;
       struct {
               struct in_addr  mask_dst;
               struct in_addr  mask_src;
               u_int8_t        mask_tos;
               u_int8_t        _pad[3];
       } ff_mask;
       u_int8_t _pad2[24];     /* make the size equal to flow_filter6 */
};

#ifdef SIN6_LEN
struct flow_filter6 {
       int                     ff_ruleno;
       struct flowinfo_in6     ff_flow6;
       struct {
               struct in6_addr mask6_dst;
               struct in6_addr mask6_src;
               u_int8_t        mask6_tclass;
               u_int8_t        _pad[3];
       } ff_mask6;
};
#endif /* INET6 */
#endif /* ALTQ3_CLFIER_COMPAT */
#endif /* ALTQ3_COMPAT */

/*
* 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 ALTQ3_COMPAT
/*
* altq related ioctls
*/
#define ALTQGTYPE       _IOWR('q', 0, struct altqreq)   /* get queue type */
#if 0
/*
* these ioctls are currently discipline-specific but could be shared
* in the future.
*/
#define ALTQATTACH      _IOW('q', 1, struct altqreq)    /* attach discipline */
#define ALTQDETACH      _IOW('q', 2, struct altqreq)    /* detach discipline */
#define ALTQENABLE      _IOW('q', 3, struct altqreq)    /* enable discipline */
#define ALTQDISABLE     _IOW('q', 4, struct altqreq)    /* disable discipline*/
#define ALTQCLEAR       _IOW('q', 5, struct altqreq)    /* (re)initialize */
#define ALTQCONFIG      _IOWR('q', 6, struct altqreq)   /* set config params */
#define ALTQADDCLASS    _IOWR('q', 7, struct altqreq)   /* add a class */
#define ALTQMODCLASS    _IOWR('q', 8, struct altqreq)   /* modify a class */
#define ALTQDELCLASS    _IOWR('q', 9, struct altqreq)   /* delete a class */
#define ALTQADDFILTER   _IOWR('q', 10, struct altqreq)  /* add a filter */
#define ALTQDELFILTER   _IOWR('q', 11, struct altqreq)  /* delete a filter */
#define ALTQGETSTATS    _IOWR('q', 12, struct altqreq)  /* get statistics */
#define ALTQGETCNTR     _IOWR('q', 13, struct altqreq)  /* get a pkt counter */
#endif /* 0 */
#define ALTQTBRSET      _IOW('q', 14, struct tbrreq)    /* set tb regulator */
#define ALTQTBRGET      _IOWR('q', 15, struct tbrreq)   /* get tb regulator */
#endif /* ALTQ3_COMPAT */

#ifdef _KERNEL
#include <altq/altq_var.h>
#endif

#endif /* _ALTQ_ALTQ_H_ */

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