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 67 extern "C" { 68 #endif 69 70 /* 71 * simpler versions of red parameters and statistics used by other 72 * disciplines (e.g., CBQ) 73 */ 74 struct 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 80 struct 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