xref: /netbsd-src/usr.sbin/altq/libaltq/qop_hfsc.h (revision dd191f37f3cdbd205a9e7a7e02d0e3dc302c98f5)
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