usr.sbin/altq/libaltq/qop_hfsc.h

   1 /*      $NetBSD: qop_hfsc.h,v 1.2.14.1 2006/03/18 12:12:59 peter Exp $  */
   2 /*      $KAME: qop_hfsc.h,v 1.3 2002/11/08 06:35:00 kjc Exp $   */
   3 /*
   4  * Copyright (C) 1999-2000
   5  *      Sony Computer Science Laboratories, Inc.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <altq/altq_hfsc.h>
  30
  31 /*
  32  * generalized service curve used for admission control
  33  */
  34 struct segment {
  35         LIST_ENTRY(segment)     _next;
  36         double  x, y, d, m;
  37 };
  38
  39 typedef LIST_HEAD(gen_sc, segment) gsc_head_t;
  40
  41 /*
  42  * hfsc private ifinfo structure
  43  */
  44 struct hfsc_ifinfo {
  45         struct classinfo *root_class;           /* root class */
  46         struct classinfo *default_class;        /* default class */
  47 };
  48
  49 /*
  50  * hfsc private classinfo structure
  51  */
  52 struct hfsc_classinfo {
  53         struct service_curve rsc;       /* real-time service curve */
  54         struct service_curve fsc;       /* fair service curve */
  55         struct service_curve usc;       /* upper limit service curve */
  56         gsc_head_t      gen_rsc;        /* generalized real-time sc */
  57         gsc_head_t      gen_fsc;        /* generalized fsc */
  58         int             qlimit;
  59         int             flags;
  60 };
  61
  62 int hfsc_interface_parser(const char *ifname, int argc, char **argv);
  63 int hfsc_class_parser(const char *ifname, const char *class_name,
  64                       const char *parent_name, int argc, char **argv);
  65
  66 int qcmd_hfsc_add_if(const char *ifname, u_int bandwidth, int flags);
  67 int qcmd_hfsc_add_class(const char *ifname, const char *class_name,
  68                         const char *parent_name, u_int m1, u_int d, u_int m2,
  69                         int qlimit, int flags);
  70 int qcmd_hfsc_modify_class(const char *ifname, const char *class_name,
  71                            u_int m1, u_int d, u_int m2, int sctype);
  72
  73 int qop_hfsc_add_if(struct ifinfo **rp, const char *ifname,
  74                     u_int bandwidth, int flags);
  75 int qop_hfsc_add_class(struct classinfo **rp, const char *class_name,
  76                        struct ifinfo *ifinfo, struct classinfo *parent,
  77                        struct service_curve *sc, int qlimit, int flags);
  78 int qop_hfsc_modify_class(struct classinfo *clinfo,
  79                           struct service_curve *sc, int sctype);
  80