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qop_hfsc.h revision 1.1 
      1 /*	$KAME: qop_hfsc.h,v 1.2 2000/10/18 09:15:19 kjc Exp $	*/
      2 /*
      3  * Copyright (C) 1999-2000
      4  *	Sony Computer Science Laboratories, Inc.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
     16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18  * ARE DISCLAIMED.  IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #include <altq/altq_hfsc.h>
     29 
     30 /*
     31  * generalized service curve used for admission control
     32  */
     33 struct segment {
     34 	LIST_ENTRY(segment)	_next;
     35 	double	x, y, d, m;
     36 };
     37 
     38 typedef LIST_HEAD(gen_sc, segment) gsc_head_t;
     39 
     40 /*
     41  * hfsc private ifinfo structure
     42  */
     43 struct hfsc_ifinfo {
     44 	struct classinfo *root_class;		/* root class */
     45 	struct classinfo *default_class;	/* default class */
     46 };
     47 
     48 /*
     49  * hfsc private classinfo structure
     50  */
     51 struct hfsc_classinfo {
     52 	struct service_curve rsc;	/* real-time service curve */
     53 	struct service_curve fsc;	/* fair service curve */
     54 	gsc_head_t	gen_rsc;	/* generalized real-time sc */
     55 	gsc_head_t	gen_fsc;	/* generalized fsc */
     56 	int		qlimit;
     57 	int		flags;
     58 };
     59 
     60 int hfsc_interface_parser(const char *ifname, int argc, char **argv);
     61 int hfsc_class_parser(const char *ifname, const char *class_name,
     62 		      const char *parent_name, int argc, char **argv);
     63 
     64 int qcmd_hfsc_add_if(const char *ifname, u_int bandwidth, int flags);
     65 int qcmd_hfsc_add_class(const char *ifname, const char *class_name,
     66 			const char *parent_name, u_int m1, u_int d, u_int m2,
     67 			int qlimit, int flags);
     68 int qcmd_hfsc_modify_class(const char *ifname, const char *class_name,
     69 			   u_int m1, u_int d, u_int m2, int sctype);
     70 
     71 int qop_hfsc_add_if(struct ifinfo **rp, const char *ifname,
     72 		    u_int bandwidth, int flags);
     73 int qop_hfsc_add_class(struct classinfo **rp, const char *class_name,
     74 		       struct ifinfo *ifinfo, struct classinfo *parent,
     75 		       struct service_curve *sc, int qlimit, int flags);
     76 int qop_hfsc_modify_class(struct classinfo *clinfo,
     77 			  struct service_curve *sc, int sctype);
     78 
     79