1 /* $NetBSD: altq_cbq.h,v 1.8 2006/10/12 19:59:08 peter 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 43 extern "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 71 typedef 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 int maxidle; 85 int minidle; 86 int offtime; 87 int qmax; 88 int ns_per_byte; 89 int wrr_allot; 90 91 int qcnt; /* # packets in queue */ 92 int 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 */ 109 struct cbq_interface { 110 char cbq_ifacename[IFNAMSIZ]; 111 }; 112 113 typedef struct cbq_class_spec { 114 u_int priority; 115 u_int nano_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; 126 127 struct 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 }; 133 134 struct cbq_delete_class { 135 struct cbq_interface cbq_iface; 136 u_int32_t cbq_class_handle; 137 }; 138 139 struct 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 }; 145 146 struct 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 }; 153 154 struct 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 */ 160 struct 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 */ 202 typedef 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