1 /* $NetBSD: altq_priq.h,v 1.7 2006/10/12 19:59:08 peter Exp $ */ 2 /* $KAME: altq_priq.h,v 1.7 2003/10/03 05:05:15 kjc Exp $ */ 3 /* 4 * Copyright (C) 2000-2003 5 * Sony Computer Science Laboratories Inc. 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 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _ALTQ_ALTQ_PRIQ_H_ 30 #define _ALTQ_ALTQ_PRIQ_H_ 31 32 #include <altq/altq.h> 33 #include <altq/altq_classq.h> 34 #include <altq/altq_red.h> 35 #include <altq/altq_rio.h> 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 #define PRIQ_MAXPRI 16 /* upper limit of the number of priorities */ 42 43 #ifdef ALTQ3_COMPAT 44 struct priq_interface { 45 char ifname[IFNAMSIZ]; /* interface name (e.g., fxp0) */ 46 u_long arg; /* request-specific argument */ 47 }; 48 49 struct priq_add_class { 50 struct priq_interface iface; 51 int pri; /* priority (0 is the lowest) */ 52 int qlimit; /* queue size limit */ 53 int flags; /* misc flags (see below) */ 54 55 u_int32_t class_handle; /* return value */ 56 }; 57 #endif /* ALTQ3_COMPAT */ 58 59 /* priq class flags */ 60 #define PRCF_RED 0x0001 /* use RED */ 61 #define PRCF_ECN 0x0002 /* use RED/ECN */ 62 #define PRCF_RIO 0x0004 /* use RIO */ 63 #define PRCF_CLEARDSCP 0x0010 /* clear diffserv codepoint */ 64 #define PRCF_DEFAULTCLASS 0x1000 /* default class */ 65 66 /* special class handles */ 67 #define PRIQ_NULLCLASS_HANDLE 0 68 69 #ifdef ALTQ3_COMPAT 70 struct priq_delete_class { 71 struct priq_interface iface; 72 u_int32_t class_handle; 73 }; 74 75 struct priq_modify_class { 76 struct priq_interface iface; 77 u_int32_t class_handle; 78 int pri; 79 int qlimit; 80 int flags; 81 }; 82 83 struct priq_add_filter { 84 struct priq_interface iface; 85 u_int32_t class_handle; 86 struct flow_filter filter; 87 88 u_long filter_handle; /* return value */ 89 }; 90 91 struct priq_delete_filter { 92 struct priq_interface iface; 93 u_long filter_handle; 94 }; 95 #endif /* ALTQ3_COMPAT */ 96 97 struct priq_classstats { 98 u_int32_t class_handle; 99 100 u_int qlength; 101 u_int qlimit; 102 u_int period; 103 struct pktcntr xmitcnt; /* transmitted packet counter */ 104 struct pktcntr dropcnt; /* dropped packet counter */ 105 106 /* red and rio related info */ 107 int qtype; 108 struct redstats red[3]; /* rio has 3 red stats */ 109 }; 110 111 #ifdef ALTQ3_COMPAT 112 struct priq_class_stats { 113 struct priq_interface iface; 114 int maxpri; /* in/out */ 115 116 struct priq_classstats *stats; /* pointer to stats array */ 117 }; 118 119 #define PRIQ_IF_ATTACH _IOW('Q', 1, struct priq_interface) 120 #define PRIQ_IF_DETACH _IOW('Q', 2, struct priq_interface) 121 #define PRIQ_ENABLE _IOW('Q', 3, struct priq_interface) 122 #define PRIQ_DISABLE _IOW('Q', 4, struct priq_interface) 123 #define PRIQ_CLEAR _IOW('Q', 5, struct priq_interface) 124 #define PRIQ_ADD_CLASS _IOWR('Q', 7, struct priq_add_class) 125 #define PRIQ_DEL_CLASS _IOW('Q', 8, struct priq_delete_class) 126 #define PRIQ_MOD_CLASS _IOW('Q', 9, struct priq_modify_class) 127 #define PRIQ_ADD_FILTER _IOWR('Q', 10, struct priq_add_filter) 128 #define PRIQ_DEL_FILTER _IOW('Q', 11, struct priq_delete_filter) 129 #define PRIQ_GETSTATS _IOWR('Q', 12, struct priq_class_stats) 130 131 #endif /* ALTQ3_COMPAT */ 132 133 #ifdef _KERNEL 134 135 struct priq_class { 136 u_int32_t cl_handle; /* class handle */ 137 class_queue_t *cl_q; /* class queue structure */ 138 struct red *cl_red; /* RED state */ 139 int cl_pri; /* priority */ 140 int cl_flags; /* class flags */ 141 struct priq_if *cl_pif; /* back pointer to pif */ 142 struct altq_pktattr *cl_pktattr; /* saved header used by ECN */ 143 144 /* statistics */ 145 u_int cl_period; /* backlog period */ 146 struct pktcntr cl_xmitcnt; /* transmitted packet counter */ 147 struct pktcntr cl_dropcnt; /* dropped packet counter */ 148 }; 149 150 /* 151 * priq interface state 152 */ 153 struct priq_if { 154 struct priq_if *pif_next; /* interface state list */ 155 struct ifaltq *pif_ifq; /* backpointer to ifaltq */ 156 u_int pif_bandwidth; /* link bandwidth in bps */ 157 int pif_maxpri; /* max priority in use */ 158 struct priq_class *pif_default; /* default class */ 159 struct priq_class *pif_classes[PRIQ_MAXPRI]; /* classes */ 160 #ifdef ALTQ3_CLFIER_COMPAT 161 struct acc_classifier pif_classifier; /* classifier */ 162 #endif 163 }; 164 165 #endif /* _KERNEL */ 166 167 #ifdef __cplusplus 168 } 169 #endif 170 171 #endif /* _ALTQ_ALTQ_PRIQ_H_ */ 172