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      1 /*	$NetBSD: qop_hfsc.h,v 1.3 2006/10/12 19:59:13 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 
     81