altq_cbq.h revision 1.5
1 /* $NetBSD: altq_cbq.h,v 1.5 2003/08/20 23:32:25 itojun Exp $ */ 2 /* $KAME: altq_cbq.h,v 1.5 2000/12/02 13:44:40 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 <sys/ioccom.h> 38 #include <altq/altq.h> 39 #include <altq/altq_rmclass.h> 40 #include <altq/altq_red.h> 41 #include <altq/altq_rio.h> 42 43 /* #pragma ident "@(#)cbq.h 1.18 98/05/13 SMI" */ 44 45 #ifdef __cplusplus 46 extern "C" { 47 #endif 48 49 /* 50 * Define a well known class handles 51 */ 52 #define NULL_CLASS_HANDLE 0xffffffff 53 #define ROOT_CLASS_HANDLE 0xfffffffe 54 #define DEFAULT_CLASS_HANDLE 0xfffffffd 55 #define CTL_CLASS_HANDLE 0xfffffffc 56 57 /* 58 * Define structures associated with IOCTLS for cbq. 59 */ 60 61 /* 62 * Define the CBQ interface structure. This must be included in all 63 * IOCTL's such that the CBQ driver may find the appropriate CBQ module 64 * associated with the network interface to be affected. 65 */ 66 struct cbq_interface { 67 char cbq_ifacename[IFNAMSIZ]; 68 }; 69 70 typedef struct cbq_class_spec { 71 u_int priority; 72 u_int nano_sec_per_byte; 73 u_int maxq; 74 u_int maxidle; 75 int minidle; 76 u_int offtime; 77 u_long parent_class_handle; 78 u_long borrow_class_handle; 79 80 u_int pktsize; 81 int flags; 82 } cbq_class_spec_t; 83 84 /* class flags should be same as class flags in rm_class.h */ 85 #define CBQCLF_RED 0x0001 /* use RED */ 86 #define CBQCLF_ECN 0x0002 /* use RED/ECN */ 87 #define CBQCLF_RIO 0x0004 /* use RIO */ 88 #define CBQCLF_FLOWVALVE 0x0008 /* use flowvalve (aka penalty-box) */ 89 #define CBQCLF_CLEARDSCP 0x0010 /* clear diffserv codepoint */ 90 91 /* class flags only for root class */ 92 #define CBQCLF_WRR 0x0100 /* weighted-round robin */ 93 #define CBQCLF_EFFICIENT 0x0200 /* work-conserving */ 94 95 /* class flags for special classes */ 96 #define CBQCLF_ROOTCLASS 0x1000 /* root class */ 97 #define CBQCLF_DEFCLASS 0x2000 /* default class */ 98 #define CBQCLF_CTLCLASS 0x4000 /* control class */ 99 #define CBQCLF_CLASSMASK 0xf000 /* class mask */ 100 101 #define CBQ_MAXQSIZE 200 102 #define CBQ_MAXPRI RM_MAXPRIO 103 104 struct cbq_add_class { 105 struct cbq_interface cbq_iface; 106 107 cbq_class_spec_t cbq_class; 108 u_long cbq_class_handle; 109 }; 110 111 struct cbq_delete_class { 112 struct cbq_interface cbq_iface; 113 u_long cbq_class_handle; 114 }; 115 116 struct cbq_modify_class { 117 struct cbq_interface cbq_iface; 118 119 cbq_class_spec_t cbq_class; 120 u_long cbq_class_handle; 121 }; 122 123 struct cbq_add_filter { 124 struct cbq_interface cbq_iface; 125 u_long cbq_class_handle; 126 struct flow_filter cbq_filter; 127 128 u_long cbq_filter_handle; 129 }; 130 131 struct cbq_delete_filter { 132 struct cbq_interface cbq_iface; 133 u_long cbq_filter_handle; 134 }; 135 136 typedef struct _cbq_class_stats_ { 137 u_int handle; 138 u_int depth; 139 140 struct pktcntr xmit_cnt; /* packets sent in this class */ 141 struct pktcntr drop_cnt; /* dropped packets */ 142 u_int over; /* # times went over limit */ 143 u_int borrows; /* # times tried to borrow */ 144 u_int overactions; /* # times invoked overlimit action */ 145 u_int delays; /* # times invoked delay actions */ 146 147 /* other static class parameters useful for debugging */ 148 int priority; 149 int maxidle; 150 int minidle; 151 int offtime; 152 int qmax; 153 int ns_per_byte; 154 int wrr_allot; 155 156 int qcnt; /* # packets in queue */ 157 int avgidle; 158 159 /* red and rio related info */ 160 int qtype; 161 struct redstats red[3]; 162 } class_stats_t; 163 164 /* number of classes are returned in nclasses field */ 165 struct cbq_getstats { 166 struct cbq_interface iface; 167 int nclasses; 168 class_stats_t *stats; 169 }; 170 171 /* 172 * Define IOCTLs for CBQ. 173 */ 174 #define CBQ_IF_ATTACH _IOW('Q', 1, struct cbq_interface) 175 #define CBQ_IF_DETACH _IOW('Q', 2, struct cbq_interface) 176 #define CBQ_ENABLE _IOW('Q', 3, struct cbq_interface) 177 #define CBQ_DISABLE _IOW('Q', 4, struct cbq_interface) 178 #define CBQ_CLEAR_HIERARCHY _IOW('Q', 5, struct cbq_interface) 179 #define CBQ_ADD_CLASS _IOWR('Q', 7, struct cbq_add_class) 180 #define CBQ_DEL_CLASS _IOW('Q', 8, struct cbq_delete_class) 181 #define CBQ_MODIFY_CLASS _IOWR('Q', 9, struct cbq_modify_class) 182 #define CBQ_ADD_FILTER _IOWR('Q', 10, struct cbq_add_filter) 183 #define CBQ_DEL_FILTER _IOW('Q', 11, struct cbq_delete_filter) 184 #define CBQ_GETSTATS _IOWR('Q', 12, struct cbq_getstats) 185 186 #ifdef _KERNEL 187 /* 188 * Define macros only good for kernel drivers and modules. 189 */ 190 191 #define DISABLE 0x00 192 #define ENABLE 0x01 193 194 #define CBQ_WATCHDOG (hz / 20) 195 #define CBQ_TIMEOUT 10 196 #define CBQ_LS_TIMEOUT (20 * hz / 1000) 197 198 #define CBQ_MAX_CLASSES 256 199 #define CBQ_MAX_FILTERS 256 200 201 /* 202 * Define State structures. 203 */ 204 typedef struct cbqstate { 205 struct cbqstate *cbq_next; 206 int cbq_qlen; /* # of packets in cbq */ 207 struct rm_class **cbq_class_tbl; 208 209 struct rm_ifdat ifnp; 210 struct callout cbq_callout; /* for timeouts */ 211 212 struct acc_classifier cbq_classifier; 213 } cbq_state_t; 214 215 #endif /* _KERNEL */ 216 217 #ifdef __cplusplus 218 } 219 #endif 220 221 #endif /* !_ALTQ_ALTQ_CBQ_H_ */ 222
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