1/*- 2 * Copyright (C) 1998-2003 3 * Sony Computer Science Laboratories Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $KAME: altq_var.h,v 1.16 2003/10/03 05:05:15 kjc Exp $ 27 * $FreeBSD$ 28 */ 29#ifndef _ALTQ_ALTQ_VAR_H_ 30#define _ALTQ_ALTQ_VAR_H_ 31 32#ifdef _KERNEL 33 34#include <sys/param.h> 35#include <sys/kernel.h> 36#include <sys/queue.h> 37 38#ifdef ALTQ3_CLFIER_COMPAT 39/* 40 * filter structure for altq common classifier 41 */ 42struct acc_filter { 43 LIST_ENTRY(acc_filter) f_chain; 44 void *f_class; /* pointer to the class */ 45 u_long f_handle; /* filter id */ 46 u_int32_t f_fbmask; /* filter bitmask */ 47 struct flow_filter f_filter; /* filter value */ 48}; 49 50/* 51 * XXX ACC_FILTER_TABLESIZE can't be larger than 2048 unless we fix 52 * the handle assignment. 53 */ 54#define ACC_FILTER_TABLESIZE (256+1) 55#define ACC_FILTER_MASK (ACC_FILTER_TABLESIZE - 2) 56#define ACC_WILDCARD_INDEX (ACC_FILTER_TABLESIZE - 1) 57#ifdef __GNUC__ 58#define ACC_GET_HASH_INDEX(addr) \ 59 ({int x = (addr) + ((addr) >> 16); (x + (x >> 8)) & ACC_FILTER_MASK;}) 60#else 61#define ACC_GET_HASH_INDEX(addr) \ 62 (((addr) + ((addr) >> 8) + ((addr) >> 16) + ((addr) >> 24)) \ 63 & ACC_FILTER_MASK) 64#endif 65#define ACC_GET_HINDEX(handle) ((handle) >> 20) 66 67#if (__FreeBSD_version > 500000) 68#define ACC_LOCK_INIT(ac) mtx_init(&(ac)->acc_mtx, "classifier", MTX_DEF) 69#define ACC_LOCK_DESTROY(ac) mtx_destroy(&(ac)->acc_mtx) 70#define ACC_LOCK(ac) mtx_lock(&(ac)->acc_mtx) 71#define ACC_UNLOCK(ac) mtx_unlock(&(ac)->acc_mtx) 72#else 73#define ACC_LOCK_INIT(ac) 74#define ACC_LOCK_DESTROY(ac) 75#define ACC_LOCK(ac) 76#define ACC_UNLOCK(ac) 77#endif 78 79struct acc_classifier { 80 u_int32_t acc_fbmask; 81 LIST_HEAD(filt, acc_filter) acc_filters[ACC_FILTER_TABLESIZE]; 82 83#if (__FreeBSD_version > 500000) 84 struct mtx acc_mtx; 85#endif 86}; 87 88/* 89 * flowinfo mask bits used by classifier 90 */ 91/* for ipv4 */ 92#define FIMB4_PROTO 0x0001 93#define FIMB4_TOS 0x0002 94#define FIMB4_DADDR 0x0004 95#define FIMB4_SADDR 0x0008 96#define FIMB4_DPORT 0x0010 97#define FIMB4_SPORT 0x0020 98#define FIMB4_GPI 0x0040 99#define FIMB4_ALL 0x007f 100/* for ipv6 */ 101#define FIMB6_PROTO 0x0100 102#define FIMB6_TCLASS 0x0200 103#define FIMB6_DADDR 0x0400 104#define FIMB6_SADDR 0x0800 105#define FIMB6_DPORT 0x1000 106#define FIMB6_SPORT 0x2000 107#define FIMB6_GPI 0x4000 108#define FIMB6_FLABEL 0x8000 109#define FIMB6_ALL 0xff00 110 111#define FIMB_ALL (FIMB4_ALL|FIMB6_ALL) 112 113#define FIMB4_PORTS (FIMB4_DPORT|FIMB4_SPORT|FIMB4_GPI) 114#define FIMB6_PORTS (FIMB6_DPORT|FIMB6_SPORT|FIMB6_GPI) 115#endif /* ALTQ3_CLFIER_COMPAT */ 116 117/* 118 * machine dependent clock 119 * a 64bit high resolution time counter. 120 */ 121extern int machclk_usepcc; 122extern u_int32_t machclk_freq; 123extern u_int32_t machclk_per_tick; 124extern void init_machclk(void); 125extern u_int64_t read_machclk(void); 126 127/* 128 * debug support 129 */ 130#ifdef ALTQ_DEBUG 131#ifdef __STDC__ 132#define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, #e)) 133#else /* PCC */ 134#define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, "e")) 135#endif 136#else 137#define ASSERT(e) ((void)0) 138#endif 139 140/* 141 * misc stuff for compatibility 142 */ 143/* ioctl cmd type */ 144typedef u_long ioctlcmd_t; 145 146/* 147 * queue macros: 148 * the interface of TAILQ_LAST macro changed after the introduction 149 * of softupdate. redefine it here to make it work with pre-2.2.7. 150 */ 151#undef TAILQ_LAST 152#define TAILQ_LAST(head, headname) \ 153 (*(((struct headname *)((head)->tqh_last))->tqh_last)) 154 155#ifndef TAILQ_EMPTY 156#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL) 157#endif 158#ifndef TAILQ_FOREACH 159#define TAILQ_FOREACH(var, head, field) \ 160 for (var = TAILQ_FIRST(head); var; var = TAILQ_NEXT(var, field)) 161#endif 162 163/* macro for timeout/untimeout */ 164/* use callout */ 165#include <sys/callout.h> 166 167#if (__FreeBSD_version > 500000) 168#define CALLOUT_INIT(c) callout_init((c), 0) 169#else 170#define CALLOUT_INIT(c) callout_init((c)) 171#endif 172#define CALLOUT_RESET(c,t,f,a) callout_reset((c),(t),(f),(a)) 173#define CALLOUT_STOP(c) callout_stop((c)) 174#if !defined(CALLOUT_INITIALIZER) && (__FreeBSD_version < 600000) 175#define CALLOUT_INITIALIZER { { { NULL } }, 0, NULL, NULL, 0 } 176#endif 177 178#define m_pktlen(m) ((m)->m_pkthdr.len) 179 180struct ifnet; struct mbuf; 181struct pf_altq; 182#ifdef ALTQ3_CLFIER_COMPAT 183struct flowinfo; 184#endif 185 186void *altq_lookup(char *, int); 187#ifdef ALTQ3_CLFIER_COMPAT 188int altq_extractflow(struct mbuf *, int, struct flowinfo *, u_int32_t); 189int acc_add_filter(struct acc_classifier *, struct flow_filter *, 190 void *, u_long *); 191int acc_delete_filter(struct acc_classifier *, u_long); 192int acc_discard_filters(struct acc_classifier *, void *, int); 193void *acc_classify(void *, struct mbuf *, int); 194#endif 195u_int8_t read_dsfield(struct mbuf *, struct altq_pktattr *); 196void write_dsfield(struct mbuf *, struct altq_pktattr *, u_int8_t); 197void altq_assert(const char *, int, const char *); 198int tbr_set(struct ifaltq *, struct tb_profile *); 199int tbr_get(struct ifaltq *, struct tb_profile *); 200 201int altq_pfattach(struct pf_altq *); 202int altq_pfdetach(struct pf_altq *); 203int altq_add(struct pf_altq *); 204int altq_remove(struct pf_altq *); 205int altq_add_queue(struct pf_altq *); 206int altq_remove_queue(struct pf_altq *); 207int altq_getqstats(struct pf_altq *, void *, int *); 208 209int cbq_pfattach(struct pf_altq *); 210int cbq_add_altq(struct pf_altq *); 211int cbq_remove_altq(struct pf_altq *); 212int cbq_add_queue(struct pf_altq *); 213int cbq_remove_queue(struct pf_altq *); 214int cbq_getqstats(struct pf_altq *, void *, int *); 215 216int codel_pfattach(struct pf_altq *); 217int codel_add_altq(struct pf_altq *); 218int codel_remove_altq(struct pf_altq *); 219int codel_getqstats(struct pf_altq *, void *, int *); 220 221int priq_pfattach(struct pf_altq *); 222int priq_add_altq(struct pf_altq *); 223int priq_remove_altq(struct pf_altq *); 224int priq_add_queue(struct pf_altq *); 225int priq_remove_queue(struct pf_altq *); 226int priq_getqstats(struct pf_altq *, void *, int *); 227 228int hfsc_pfattach(struct pf_altq *); 229int hfsc_add_altq(struct pf_altq *); 230int hfsc_remove_altq(struct pf_altq *); 231int hfsc_add_queue(struct pf_altq *); 232int hfsc_remove_queue(struct pf_altq *); 233int hfsc_getqstats(struct pf_altq *, void *, int *); 234 235int fairq_pfattach(struct pf_altq *); 236int fairq_add_altq(struct pf_altq *); 237int fairq_remove_altq(struct pf_altq *); 238int fairq_add_queue(struct pf_altq *); 239int fairq_remove_queue(struct pf_altq *); 240int fairq_getqstats(struct pf_altq *, void *, int *); 241 242#endif /* _KERNEL */ 243#endif /* _ALTQ_ALTQ_VAR_H_ */ 244