1 /* $NetBSD: altq_var.h,v 1.13 2024/12/07 07:45:43 andvar Exp $ */ 2 /* $KAME: altq_var.h,v 1.18 2005/04/13 03:44:25 suz Exp $ */ 3 4 /* 5 * Copyright (C) 1998-2003 6 * Sony Computer Science Laboratories Inc. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 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 #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 79 struct 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 */ 121 extern u_int32_t machclk_freq; 122 extern u_int32_t machclk_per_tick; 123 extern void init_machclk(void); 124 extern u_int64_t read_machclk(void); 125 126 /* 127 * debug support 128 */ 129 #ifdef ALTQ_DEBUG 130 #ifdef __STDC__ 131 #define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, #e)) 132 #else /* PCC */ 133 #define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, "e")) 134 #endif 135 #else 136 #define ASSERT(e) ((void)0) 137 #endif 138 139 /* 140 * misc stuff for compatibility 141 */ 142 /* ioctl cmd type */ 143 typedef u_long ioctlcmd_t; 144 145 /* 146 * queue macros: 147 * the interface of TAILQ_LAST macro changed after the introduction 148 * of softupdate. redefine it here to make it work with pre-2.2.7. 149 */ 150 #undef TAILQ_LAST 151 #define TAILQ_LAST(head, headname) \ 152 (*(((struct headname *)((head)->tqh_last))->tqh_last)) 153 154 #ifndef TAILQ_EMPTY 155 #define TAILQ_EMPTY(head) ((head)->tqh_first == NULL) 156 #endif 157 #ifndef TAILQ_FOREACH 158 #define TAILQ_FOREACH(var, head, field) \ 159 for (var = TAILQ_FIRST(head); var; var = TAILQ_NEXT(var, field)) 160 #endif 161 162 /* macro for timeout/untimeout */ 163 #if (__FreeBSD_version > 300000) || defined(__NetBSD__) 164 /* use callout */ 165 #include <sys/callout.h> 166 167 #if (__FreeBSD_version > 500000) || defined(__NetBSD__) 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 #ifndef CALLOUT_INITIALIZER 175 #define CALLOUT_INITIALIZER { { { NULL } }, 0, NULL, NULL, 0 } 176 #endif 177 #elif defined(__OpenBSD__) 178 #include <sys/timeout.h> 179 /* callout structure as a wrapper of struct timeout */ 180 struct callout { 181 struct timeout c_to; 182 }; 183 #define CALLOUT_INIT(c) do { (void)memset((c), 0, sizeof(*(c))); } while (/*CONSTCOND*/ 0) 184 #define CALLOUT_RESET(c,t,f,a) do { if (!timeout_initialized(&(c)->c_to)) \ 185 timeout_set(&(c)->c_to, (f), (a)); \ 186 timeout_add(&(c)->c_to, (t)); } while (/*CONSTCOND*/ 0) 187 #define CALLOUT_STOP(c) timeout_del(&(c)->c_to) 188 #define CALLOUT_INITIALIZER { { { NULL }, NULL, NULL, 0, 0 } } 189 #else 190 /* use old-style timeout/untimeout */ 191 /* dummy callout structure */ 192 struct callout { 193 void *c_arg; /* function argument */ 194 void (*c_func)(void *); /* function to call */ 195 }; 196 #define CALLOUT_INIT(c) do { (void)memset((c), 0, sizeof(*(c))); } while (/*CONSTCOND*/ 0) 197 #define CALLOUT_RESET(c,t,f,a) do { (c)->c_arg = (a); \ 198 (c)->c_func = (f); \ 199 timeout((f),(a),(t)); } while (/*CONSTCOND*/ 0) 200 #define CALLOUT_STOP(c) untimeout((c)->c_func,(c)->c_arg) 201 #define CALLOUT_INITIALIZER { NULL, NULL } 202 #endif 203 #if !defined(__FreeBSD__) 204 typedef void (timeout_t)(void *); 205 #endif 206 207 #define m_pktlen(m) ((m)->m_pkthdr.len) 208 209 struct ifnet; struct mbuf; 210 struct pf_altq; 211 #ifdef ALTQ3_CLFIER_COMPAT 212 struct flowinfo; 213 #endif 214 215 void *altq_lookup(char *, int); 216 #ifdef ALTQ3_CLFIER_COMPAT 217 int altq_extractflow(struct mbuf *, int, struct flowinfo *, u_int32_t); 218 int acc_add_filter(struct acc_classifier *, struct flow_filter *, 219 void *, u_long *); 220 int acc_delete_filter(struct acc_classifier *, u_long); 221 int acc_discard_filters(struct acc_classifier *, void *, int); 222 void *acc_classify(void *, struct mbuf *, int); 223 #endif 224 u_int8_t read_dsfield(struct mbuf *, struct altq_pktattr *); 225 void write_dsfield(struct mbuf *, struct altq_pktattr *, u_int8_t); 226 void altq_assert(const char *, int, const char *); 227 int tbr_set(struct ifaltq *, struct tb_profile *); 228 int tbr_get(struct ifaltq *, struct tb_profile *); 229 230 int altq_pfattach(struct pf_altq *); 231 int altq_pfdetach(struct pf_altq *); 232 int altq_add(struct pf_altq *); 233 int altq_remove(struct pf_altq *); 234 int altq_add_queue(struct pf_altq *); 235 int altq_remove_queue(struct pf_altq *); 236 int altq_getqstats(struct pf_altq *, void *, int *); 237 238 int cbq_pfattach(struct pf_altq *); 239 int cbq_add_altq(struct pf_altq *); 240 int cbq_remove_altq(struct pf_altq *); 241 int cbq_add_queue(struct pf_altq *); 242 int cbq_remove_queue(struct pf_altq *); 243 int cbq_getqstats(struct pf_altq *, void *, int *); 244 245 int priq_pfattach(struct pf_altq *); 246 int priq_add_altq(struct pf_altq *); 247 int priq_remove_altq(struct pf_altq *); 248 int priq_add_queue(struct pf_altq *); 249 int priq_remove_queue(struct pf_altq *); 250 int priq_getqstats(struct pf_altq *, void *, int *); 251 252 int hfsc_pfattach(struct pf_altq *); 253 int hfsc_add_altq(struct pf_altq *); 254 int hfsc_remove_altq(struct pf_altq *); 255 int hfsc_add_queue(struct pf_altq *); 256 int hfsc_remove_queue(struct pf_altq *); 257 int hfsc_getqstats(struct pf_altq *, void *, int *); 258 259 #endif /* _KERNEL */ 260 #endif /* _ALTQ_ALTQ_VAR_H_ */ 261