/*      $NetBSD: qop_hfsc.h,v 1.3 2006/10/12 19:59:13 peter Exp $       */
/*      $KAME: qop_hfsc.h,v 1.3 2002/11/08 06:35:00 kjc Exp $   */
/*
* Copyright (C) 1999-2000
*      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.
*/

#include <altq/altq_hfsc.h>

/*
* generalized service curve used for admission control
*/
struct segment {
       LIST_ENTRY(segment)     _next;
       double  x, y, d, m;
};

typedef LIST_HEAD(gen_sc, segment) gsc_head_t;

/*
* hfsc private ifinfo structure
*/
struct hfsc_ifinfo {
       struct classinfo *root_class;           /* root class */
       struct classinfo *default_class;        /* default class */
};

/*
* hfsc private classinfo structure
*/
struct hfsc_classinfo {
       struct service_curve rsc;       /* real-time service curve */
       struct service_curve fsc;       /* fair service curve */
       struct service_curve usc;       /* upper limit service curve */
       gsc_head_t      gen_rsc;        /* generalized real-time sc */
       gsc_head_t      gen_fsc;        /* generalized fsc */
       int             qlimit;
       int             flags;
};

int hfsc_interface_parser(const char *ifname, int argc, char **argv);
int hfsc_class_parser(const char *ifname, const char *class_name,
                     const char *parent_name, int argc, char **argv);

int qcmd_hfsc_add_if(const char *ifname, u_int bandwidth, int flags);
int qcmd_hfsc_add_class(const char *ifname, const char *class_name,
                       const char *parent_name, u_int m1, u_int d, u_int m2,
                       int qlimit, int flags);
int qcmd_hfsc_modify_class(const char *ifname, const char *class_name,
                          u_int m1, u_int d, u_int m2, int sctype);

int qop_hfsc_add_if(struct ifinfo **rp, const char *ifname,
                   u_int bandwidth, int flags);
int qop_hfsc_add_class(struct classinfo **rp, const char *class_name,
                      struct ifinfo *ifinfo, struct classinfo *parent,
                      struct service_curve *sc, int qlimit, int flags);
int qop_hfsc_modify_class(struct classinfo *clinfo,
                         struct service_curve *sc, int sctype);