1/*
2 * Copyright (c) 2011-2016 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29/* $NetBSD: altq_red.h,v 1.5 2006/10/12 19:59:08 peter Exp $ */
30/* $KAME: altq_red.h,v 1.8 2003/07/10 12:07:49 kjc Exp $ */
31
32/*
33 * Copyright (C) 1997-2003
34 * Sony Computer Science Laboratories Inc. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 *
45 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48 * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
49 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * SUCH DAMAGE.
56 */
57
58#ifndef _NET_CLASSQ_CLASSQ_RED_H_
59#define _NET_CLASSQ_CLASSQ_RED_H_
60
61#ifdef PRIVATE
62#ifdef BSD_KERNEL_PRIVATE
63#include <net/classq/if_classq.h>
64#endif /* BSD_KERNEL_PRIVATE */
65
66#ifdef __cplusplus
67extern "C" {
68#endif
69
70/*
71 * simpler versions of red parameters and statistics used by other
72 * disciplines (e.g., CBQ)
73 */
74struct redparams {
75 int th_min; /* red min threshold */
76 int th_max; /* red max threshold */
77 int inv_pmax; /* inverse of max drop probability */
78};
79
80struct red_stats {
81 int32_t q_avg;
82 u_int32_t _pad;
83 u_int32_t drop_forced;
84 u_int32_t drop_unforced;
85 u_int32_t marked_packets;
86};
87
88#ifdef __cplusplus
89}
90#endif
91#endif /* PRIVATE */
92#endif /* _NET_CLASSQ_CLASSQ_RED_H_ */
93