1/* $NetBSD: altq_cbq.h,v 1.11 2021/07/21 06:47:33 ozaki-r Exp $ */ 2/* $KAME: altq_cbq.h,v 1.12 2003/10/03 05:05:15 kjc Exp $ */ 3 4/* 5 * Copyright (c) Sun Microsystems, Inc. 1993-1998 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 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the SMCC Technology 21 * Development Group at Sun Microsystems, Inc. 22 * 23 * 4. The name of the Sun Microsystems, Inc nor may not be used to endorse or 24 * promote products derived from this software without specific prior 25 * written permission. 26 * 27 * SUN MICROSYSTEMS DOES NOT CLAIM MERCHANTABILITY OF THIS SOFTWARE OR THE 28 * SUITABILITY OF THIS SOFTWARE FOR ANY PARTICULAR PURPOSE. The software is 29 * provided "as is" without express or implied warranty of any kind. 30 * 31 * These notices must be retained in any copies of any part of this software. 32 */ 33 34#ifndef _ALTQ_ALTQ_CBQ_H_ 35#define _ALTQ_ALTQ_CBQ_H_ 36 37#include <altq/altq.h> 38#include <altq/altq_rmclass.h> 39#include <altq/altq_red.h> 40#include <altq/altq_rio.h> 41 42#ifdef __cplusplus 43extern "C" { 44#endif 45 46#define NULL_CLASS_HANDLE 0 47 48/* class flags should be same as class flags in rm_class.h */ 49#define CBQCLF_RED 0x0001 /* use RED */ 50#define CBQCLF_ECN 0x0002 /* use RED/ECN */ 51#define CBQCLF_RIO 0x0004 /* use RIO */ 52#define CBQCLF_FLOWVALVE 0x0008 /* use flowvalve (aka penalty-box) */ 53#define CBQCLF_CLEARDSCP 0x0010 /* clear diffserv codepoint */ 54#define CBQCLF_BORROW 0x0020 /* borrow from parent */ 55 56/* class flags only for root class */ 57#define CBQCLF_WRR 0x0100 /* weighted-round robin */ 58#define CBQCLF_EFFICIENT 0x0200 /* work-conserving */ 59 60/* class flags for special classes */ 61#define CBQCLF_ROOTCLASS 0x1000 /* root class */ 62#define CBQCLF_DEFCLASS 0x2000 /* default class */ 63#ifdef ALTQ3_COMPAT 64#define CBQCLF_CTLCLASS 0x4000 /* control class */ 65#endif 66#define CBQCLF_CLASSMASK 0xf000 /* class mask */ 67 68#define CBQ_MAXQSIZE 200 69#define CBQ_MAXPRI RM_MAXPRIO 70 71typedef struct _cbq_class_stats_ { 72 u_int32_t handle; 73 u_int depth; 74 75 struct pktcntr xmit_cnt; /* packets sent in this class */ 76 struct pktcntr drop_cnt; /* dropped packets */ 77 u_int over; /* # times went over limit */ 78 u_int borrows; /* # times tried to borrow */ 79 u_int overactions; /* # times invoked overlimit action */ 80 u_int delays; /* # times invoked delay actions */ 81 82 /* other static class parameters useful for debugging */ 83 int priority; 84 int64_t maxidle; 85 int64_t minidle; 86 int64_t offtime; 87 int qmax; 88 uint64_t ps_per_byte; 89 int wrr_allot; 90 91 int qcnt; /* # packets in queue */ 92 int64_t avgidle; 93 94 /* red and rio related info */ 95 int qtype; 96 struct redstats red[3]; 97} class_stats_t; 98 99#ifdef ALTQ3_COMPAT 100/* 101 * Define structures associated with IOCTLS for cbq. 102 */ 103 104/* 105 * Define the CBQ interface structure. This must be included in all 106 * IOCTL's such that the CBQ driver may find the appropriate CBQ module 107 * associated with the network interface to be affected. 108 */ 109struct cbq_interface { 110 char cbq_ifacename[IFNAMSIZ]; 111}; 112 113typedef struct cbq_class_spec { 114 u_int priority; 115 uint64_t pico_sec_per_byte; 116 u_int maxq; 117 u_int maxidle; 118 int minidle; 119 u_int offtime; 120 u_int32_t parent_class_handle; 121 u_int32_t borrow_class_handle; 122 123 u_int pktsize; 124 int flags; 125} cbq_class_spec_t; 126 127struct cbq_add_class { 128 struct cbq_interface cbq_iface; 129 130 cbq_class_spec_t cbq_class; 131 u_int32_t cbq_class_handle; 132}; 133 134struct cbq_delete_class { 135 struct cbq_interface cbq_iface; 136 u_int32_t cbq_class_handle; 137}; 138 139struct cbq_modify_class { 140 struct cbq_interface cbq_iface; 141 142 cbq_class_spec_t cbq_class; 143 u_int32_t cbq_class_handle; 144}; 145 146struct cbq_add_filter { 147 struct cbq_interface cbq_iface; 148 u_int32_t cbq_class_handle; 149 struct flow_filter cbq_filter; 150 151 u_long cbq_filter_handle; 152}; 153 154struct cbq_delete_filter { 155 struct cbq_interface cbq_iface; 156 u_long cbq_filter_handle; 157}; 158 159/* number of classes are returned in nclasses field */ 160struct cbq_getstats { 161 struct cbq_interface iface; 162 int nclasses; 163 class_stats_t *stats; 164}; 165 166/* 167 * Define IOCTLs for CBQ. 168 */ 169#define CBQ_IF_ATTACH _IOW('Q', 1, struct cbq_interface) 170#define CBQ_IF_DETACH _IOW('Q', 2, struct cbq_interface) 171#define CBQ_ENABLE _IOW('Q', 3, struct cbq_interface) 172#define CBQ_DISABLE _IOW('Q', 4, struct cbq_interface) 173#define CBQ_CLEAR_HIERARCHY _IOW('Q', 5, struct cbq_interface) 174#define CBQ_ADD_CLASS _IOWR('Q', 7, struct cbq_add_class) 175#define CBQ_DEL_CLASS _IOW('Q', 8, struct cbq_delete_class) 176#define CBQ_MODIFY_CLASS _IOWR('Q', 9, struct cbq_modify_class) 177#define CBQ_ADD_FILTER _IOWR('Q', 10, struct cbq_add_filter) 178#define CBQ_DEL_FILTER _IOW('Q', 11, struct cbq_delete_filter) 179#define CBQ_GETSTATS _IOWR('Q', 12, struct cbq_getstats) 180#endif /* ALTQ3_COMPAT */ 181 182#ifdef _KERNEL 183/* 184 * Define macros only good for kernel drivers and modules. 185 */ 186#define CBQ_WATCHDOG (hz / 20) 187#define CBQ_TIMEOUT 10 188#define CBQ_LS_TIMEOUT (20 * hz / 1000) 189 190#define CBQ_MAX_CLASSES 256 191 192#ifdef ALTQ3_COMPAT 193#define CBQ_MAX_FILTERS 256 194 195#define DISABLE 0x00 196#define ENABLE 0x01 197#endif /* ALTQ3_COMPAT */ 198 199/* 200 * Define State structures. 201 */ 202typedef struct cbqstate { 203#ifdef ALTQ3_COMPAT 204 struct cbqstate *cbq_next; 205#endif 206 int cbq_qlen; /* # of packets in cbq */ 207 struct rm_class *cbq_class_tbl[CBQ_MAX_CLASSES]; 208 209 struct rm_ifdat ifnp; 210 struct callout cbq_callout; /* for timeouts */ 211#ifdef ALTQ3_CLFIER_COMPAT 212 struct acc_classifier cbq_classifier; 213#endif 214} cbq_state_t; 215 216#endif /* _KERNEL */ 217 218#ifdef __cplusplus 219} 220#endif 221 222#endif /* !_ALTQ_ALTQ_CBQ_H_ */ 223