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_priq.h,v 1.7 2006/10/12 19:59:08 peter Exp $ */ 30 /* $KAME: altq_priq.h,v 1.7 2003/10/03 05:05:15 kjc Exp $ */ 31 /* 32 * Copyright (C) 2000-2003 33 * Sony Computer Science Laboratories Inc. All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 1. Redistributions of source code must retain the above copyright 39 * notice, this list of conditions and the following disclaimer. 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 44 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND 45 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 47 * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE 48 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 50 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 53 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 54 * SUCH DAMAGE. 55 */ 56 57 #ifndef _NET_PKTSCHED_PKTSCHED_PRIQ_H_ 58 #define _NET_PKTSCHED_PKTSCHED_PRIQ_H_ 59 60 #ifdef PRIVATE 61 #include <net/pktsched/pktsched.h> 62 #include <net/classq/classq.h> 63 #include <net/classq/classq_red.h> 64 #include <net/classq/classq_rio.h> 65 #include <net/classq/classq_blue.h> 66 #include <net/classq/classq_sfb.h> 67 68 #ifdef __cplusplus 69 extern "C" { 70 #endif 71 72 #define PRIQ_MAXPRI 16 /* upper limit of the number of priorities */ 73 74 /* priq class flags */ 75 #define PRCF_RED 0x0001 /* use RED */ 76 #define PRCF_ECN 0x0002 /* use ECN with RED/BLUE/SFB */ 77 #define PRCF_RIO 0x0004 /* use RIO */ 78 #define PRCF_CLEARDSCP 0x0010 /* clear diffserv codepoint */ 79 #define PRCF_BLUE 0x0100 /* use BLUE */ 80 #define PRCF_SFB 0x0200 /* use SFB */ 81 #define PRCF_FLOWCTL 0x0400 /* enable flow control advisories */ 82 #define PRCF_DEFAULTCLASS 0x1000 /* default class */ 83 #ifdef BSD_KERNEL_PRIVATE 84 #define PRCF_LAZY 0x10000000 /* on-demand resource allocation */ 85 #endif /* BSD_KERNEL_PRIVATE */ 86 87 #define PRCF_USERFLAGS \ 88 (PRCF_RED | PRCF_ECN | PRCF_RIO | PRCF_CLEARDSCP | PRCF_BLUE | \ 89 PRCF_SFB | PRCF_FLOWCTL | PRCF_DEFAULTCLASS) 90 91 #ifdef BSD_KERNEL_PRIVATE 92 #define PRCF_BITS \ 93 "\020\1RED\2ECN\3RIO\5CLEARDSCP\11BLUE\12SFB\13FLOWCTL\15DEFAULT" \ 94 "\35LAZY" 95 #else 96 #define PRCF_BITS \ 97 "\020\1RED\2ECN\3RIO\5CLEARDSCP\11BLUE\12SFB\13FLOWCTL\15DEFAULT" 98 #endif /* !BSD_KERNEL_PRIVATE */ 99 100 struct priq_classstats { 101 u_int32_t class_handle; 102 u_int32_t priority; 103 104 u_int32_t qlength; 105 u_int32_t qlimit; 106 u_int32_t period; 107 struct pktcntr xmitcnt; /* transmitted packet counter */ 108 struct pktcntr dropcnt; /* dropped packet counter */ 109 110 /* RED, RIO, BLUE, SFB related info */ 111 classq_type_t qtype; 112 union { 113 /* RIO has 3 red stats */ 114 struct red_stats red[RIO_NDROPPREC]; 115 struct blue_stats blue; 116 struct sfb_stats sfb; 117 }; 118 classq_state_t qstate; 119 }; 120 121 #ifdef __cplusplus 122 } 123 #endif 124 #endif /* PRIVATE */ 125 #endif /* _NET_PKTSCHED_PKTSCHED_PRIQ_H_ */ 126