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 */ 42 struct 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 #define ACC_LOCK_INIT(ac) mtx_init(&(ac)->acc_mtx, "classifier", MTX_DEF) 68 #define ACC_LOCK_DESTROY(ac) mtx_destroy(&(ac)->acc_mtx) 69 #define ACC_LOCK(ac) mtx_lock(&(ac)->acc_mtx) 70 #define ACC_UNLOCK(ac) mtx_unlock(&(ac)->acc_mtx) 71 72 struct acc_classifier { 73 u_int32_t acc_fbmask; 74 LIST_HEAD(filt, acc_filter) acc_filters[ACC_FILTER_TABLESIZE]; 75 struct mtx acc_mtx; 76 }; 77 78 /* 79 * flowinfo mask bits used by classifier 80 */ 81 /* for ipv4 */ 82 #define FIMB4_PROTO 0x0001 83 #define FIMB4_TOS 0x0002 84 #define FIMB4_DADDR 0x0004 85 #define FIMB4_SADDR 0x0008 86 #define FIMB4_DPORT 0x0010 87 #define FIMB4_SPORT 0x0020 88 #define FIMB4_GPI 0x0040 89 #define FIMB4_ALL 0x007f 90 /* for ipv6 */ 91 #define FIMB6_PROTO 0x0100 92 #define FIMB6_TCLASS 0x0200 93 #define FIMB6_DADDR 0x0400 94 #define FIMB6_SADDR 0x0800 95 #define FIMB6_DPORT 0x1000 96 #define FIMB6_SPORT 0x2000 97 #define FIMB6_GPI 0x4000 98 #define FIMB6_FLABEL 0x8000 99 #define FIMB6_ALL 0xff00 100 101 #define FIMB_ALL (FIMB4_ALL|FIMB6_ALL) 102 103 #define FIMB4_PORTS (FIMB4_DPORT|FIMB4_SPORT|FIMB4_GPI) 104 #define FIMB6_PORTS (FIMB6_DPORT|FIMB6_SPORT|FIMB6_GPI) 105 #endif /* ALTQ3_CLFIER_COMPAT */ 106 107 /* 108 * machine dependent clock 109 * a 64bit high resolution time counter. 110 */ 111 extern int machclk_usepcc; 112 extern u_int32_t machclk_freq; 113 extern u_int32_t machclk_per_tick; 114 extern void init_machclk(void); 115 extern u_int64_t read_machclk(void); 116 117 /* 118 * debug support 119 */ 120 #ifdef ALTQ_DEBUG 121 #ifdef __STDC__ 122 #define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, #e)) 123 #else /* PCC */ 124 #define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, "e")) 125 #endif 126 #else 127 #define ASSERT(e) ((void)0) 128 #endif 129 130 /* 131 * misc stuff for compatibility 132 */ 133 /* ioctl cmd type */ 134 typedef u_long ioctlcmd_t; 135 136 /* 137 * queue macros: 138 * the interface of TAILQ_LAST macro changed after the introduction 139 * of softupdate. redefine it here to make it work with pre-2.2.7. 140 */ 141 #undef TAILQ_LAST 142 #define TAILQ_LAST(head, headname) \ 143 (*(((struct headname *)((head)->tqh_last))->tqh_last)) 144 145 #ifndef TAILQ_EMPTY 146 #define TAILQ_EMPTY(head) ((head)->tqh_first == NULL) 147 #endif 148 #ifndef TAILQ_FOREACH 149 #define TAILQ_FOREACH(var, head, field) \ 150 for (var = TAILQ_FIRST(head); var; var = TAILQ_NEXT(var, field)) 151 #endif 152 153 /* macro for timeout/untimeout */ 154 /* use callout */ 155 #include <sys/callout.h> 156 157 #define CALLOUT_INIT(c) callout_init((c), 1) 158 #define CALLOUT_RESET(c,t,f,a) callout_reset((c),(t),(f),(a)) 159 #define CALLOUT_STOP(c) callout_stop((c)) 160 161 #define m_pktlen(m) ((m)->m_pkthdr.len) 162 163 struct ifnet; struct mbuf; 164 struct pf_altq; 165 #ifdef ALTQ3_CLFIER_COMPAT 166 struct flowinfo; 167 #endif 168 169 void *altq_lookup(char *, int); 170 #ifdef ALTQ3_CLFIER_COMPAT 171 int altq_extractflow(struct mbuf *, int, struct flowinfo *, u_int32_t); 172 int acc_add_filter(struct acc_classifier *, struct flow_filter *, 173 void *, u_long *); 174 int acc_delete_filter(struct acc_classifier *, u_long); 175 int acc_discard_filters(struct acc_classifier *, void *, int); 176 void *acc_classify(void *, struct mbuf *, int); 177 #endif 178 u_int8_t read_dsfield(struct mbuf *, struct altq_pktattr *); 179 void write_dsfield(struct mbuf *, struct altq_pktattr *, u_int8_t); 180 void altq_assert(const char *, int, const char *); 181 int tbr_set(struct ifaltq *, struct tb_profile *); 182 183 int altq_pfattach(struct pf_altq *); 184 int altq_pfdetach(struct pf_altq *); 185 int altq_add(struct ifnet *, struct pf_altq *); 186 int altq_remove(struct pf_altq *); 187 int altq_add_queue(struct pf_altq *); 188 int altq_remove_queue(struct pf_altq *); 189 int altq_getqstats(struct pf_altq *, void *, int *, int); 190 191 int cbq_pfattach(struct pf_altq *); 192 int cbq_add_altq(struct ifnet *, struct pf_altq *); 193 int cbq_remove_altq(struct pf_altq *); 194 int cbq_add_queue(struct pf_altq *); 195 int cbq_remove_queue(struct pf_altq *); 196 int cbq_getqstats(struct pf_altq *, void *, int *, int); 197 198 int codel_pfattach(struct pf_altq *); 199 int codel_add_altq(struct ifnet *, struct pf_altq *); 200 int codel_remove_altq(struct pf_altq *); 201 int codel_getqstats(struct pf_altq *, void *, int *, int); 202 203 int priq_pfattach(struct pf_altq *); 204 int priq_add_altq(struct ifnet *, struct pf_altq *); 205 int priq_remove_altq(struct pf_altq *); 206 int priq_add_queue(struct pf_altq *); 207 int priq_remove_queue(struct pf_altq *); 208 int priq_getqstats(struct pf_altq *, void *, int *, int); 209 210 int hfsc_pfattach(struct pf_altq *); 211 int hfsc_add_altq(struct ifnet *, struct pf_altq *); 212 int hfsc_remove_altq(struct pf_altq *); 213 int hfsc_add_queue(struct pf_altq *); 214 int hfsc_remove_queue(struct pf_altq *); 215 int hfsc_getqstats(struct pf_altq *, void *, int *, int); 216 217 int fairq_pfattach(struct pf_altq *); 218 int fairq_add_altq(struct ifnet *, struct pf_altq *); 219 int fairq_remove_altq(struct pf_altq *); 220 int fairq_add_queue(struct pf_altq *); 221 int fairq_remove_queue(struct pf_altq *); 222 int fairq_getqstats(struct pf_altq *, void *, int *, int); 223 224 #endif /* _KERNEL */ 225 #endif /* _ALTQ_ALTQ_VAR_H_ */ 226