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 */ 28 #ifndef _ALTQ_ALTQ_VAR_H_ 29 #define _ALTQ_ALTQ_VAR_H_ 30 31 #ifdef _KERNEL 32 33 #include <sys/param.h> 34 #include <sys/kernel.h> 35 #include <sys/queue.h> 36 37 #ifdef ALTQ3_CLFIER_COMPAT 38 /* 39 * filter structure for altq common classifier 40 */ 41 struct acc_filter { 42 LIST_ENTRY(acc_filter) f_chain; 43 void *f_class; /* pointer to the class */ 44 u_long f_handle; /* filter id */ 45 u_int32_t f_fbmask; /* filter bitmask */ 46 struct flow_filter f_filter; /* filter value */ 47 }; 48 49 /* 50 * XXX ACC_FILTER_TABLESIZE can't be larger than 2048 unless we fix 51 * the handle assignment. 52 */ 53 #define ACC_FILTER_TABLESIZE (256+1) 54 #define ACC_FILTER_MASK (ACC_FILTER_TABLESIZE - 2) 55 #define ACC_WILDCARD_INDEX (ACC_FILTER_TABLESIZE - 1) 56 #ifdef __GNUC__ 57 #define ACC_GET_HASH_INDEX(addr) \ 58 ({int x = (addr) + ((addr) >> 16); (x + (x >> 8)) & ACC_FILTER_MASK;}) 59 #else 60 #define ACC_GET_HASH_INDEX(addr) \ 61 (((addr) + ((addr) >> 8) + ((addr) >> 16) + ((addr) >> 24)) \ 62 & ACC_FILTER_MASK) 63 #endif 64 #define ACC_GET_HINDEX(handle) ((handle) >> 20) 65 66 #define ACC_LOCK_INIT(ac) mtx_init(&(ac)->acc_mtx, "classifier", MTX_DEF) 67 #define ACC_LOCK_DESTROY(ac) mtx_destroy(&(ac)->acc_mtx) 68 #define ACC_LOCK(ac) mtx_lock(&(ac)->acc_mtx) 69 #define ACC_UNLOCK(ac) mtx_unlock(&(ac)->acc_mtx) 70 71 struct acc_classifier { 72 u_int32_t acc_fbmask; 73 LIST_HEAD(filt, acc_filter) acc_filters[ACC_FILTER_TABLESIZE]; 74 struct mtx acc_mtx; 75 }; 76 77 /* 78 * flowinfo mask bits used by classifier 79 */ 80 /* for ipv4 */ 81 #define FIMB4_PROTO 0x0001 82 #define FIMB4_TOS 0x0002 83 #define FIMB4_DADDR 0x0004 84 #define FIMB4_SADDR 0x0008 85 #define FIMB4_DPORT 0x0010 86 #define FIMB4_SPORT 0x0020 87 #define FIMB4_GPI 0x0040 88 #define FIMB4_ALL 0x007f 89 /* for ipv6 */ 90 #define FIMB6_PROTO 0x0100 91 #define FIMB6_TCLASS 0x0200 92 #define FIMB6_DADDR 0x0400 93 #define FIMB6_SADDR 0x0800 94 #define FIMB6_DPORT 0x1000 95 #define FIMB6_SPORT 0x2000 96 #define FIMB6_GPI 0x4000 97 #define FIMB6_FLABEL 0x8000 98 #define FIMB6_ALL 0xff00 99 100 #define FIMB_ALL (FIMB4_ALL|FIMB6_ALL) 101 102 #define FIMB4_PORTS (FIMB4_DPORT|FIMB4_SPORT|FIMB4_GPI) 103 #define FIMB6_PORTS (FIMB6_DPORT|FIMB6_SPORT|FIMB6_GPI) 104 #endif /* ALTQ3_CLFIER_COMPAT */ 105 106 /* 107 * machine dependent clock 108 * a 64bit high resolution time counter. 109 */ 110 extern int machclk_usepcc; 111 extern u_int32_t machclk_freq; 112 extern u_int32_t machclk_per_tick; 113 extern void init_machclk(void); 114 extern u_int64_t read_machclk(void); 115 116 /* 117 * debug support 118 */ 119 #ifdef ALTQ_DEBUG 120 #ifdef __STDC__ 121 #define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, #e)) 122 #else /* PCC */ 123 #define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, "e")) 124 #endif 125 #else 126 #define ASSERT(e) ((void)0) 127 #endif 128 129 /* 130 * misc stuff for compatibility 131 */ 132 /* ioctl cmd type */ 133 typedef u_long ioctlcmd_t; 134 135 /* 136 * queue macros: 137 * the interface of TAILQ_LAST macro changed after the introduction 138 * of softupdate. redefine it here to make it work with pre-2.2.7. 139 */ 140 #undef TAILQ_LAST 141 #define TAILQ_LAST(head, headname) \ 142 (*(((struct headname *)((head)->tqh_last))->tqh_last)) 143 144 #ifndef TAILQ_EMPTY 145 #define TAILQ_EMPTY(head) ((head)->tqh_first == NULL) 146 #endif 147 #ifndef TAILQ_FOREACH 148 #define TAILQ_FOREACH(var, head, field) \ 149 for (var = TAILQ_FIRST(head); var; var = TAILQ_NEXT(var, field)) 150 #endif 151 152 /* macro for timeout/untimeout */ 153 /* use callout */ 154 #include <sys/callout.h> 155 156 #define CALLOUT_INIT(c) callout_init((c), 1) 157 #define CALLOUT_RESET(c,t,f,a) callout_reset((c),(t),(f),(a)) 158 #define CALLOUT_STOP(c) callout_stop((c)) 159 160 #define m_pktlen(m) ((m)->m_pkthdr.len) 161 162 struct ifnet; struct mbuf; 163 struct pf_altq; 164 #ifdef ALTQ3_CLFIER_COMPAT 165 struct flowinfo; 166 #endif 167 168 void *altq_lookup(char *, int); 169 #ifdef ALTQ3_CLFIER_COMPAT 170 int altq_extractflow(struct mbuf *, int, struct flowinfo *, u_int32_t); 171 int acc_add_filter(struct acc_classifier *, struct flow_filter *, 172 void *, u_long *); 173 int acc_delete_filter(struct acc_classifier *, u_long); 174 int acc_discard_filters(struct acc_classifier *, void *, int); 175 void *acc_classify(void *, struct mbuf *, int); 176 #endif 177 u_int8_t read_dsfield(struct mbuf *, struct altq_pktattr *); 178 void write_dsfield(struct mbuf *, struct altq_pktattr *, u_int8_t); 179 void altq_assert(const char *, int, const char *); 180 int tbr_set(struct ifaltq *, struct tb_profile *); 181 182 int altq_pfattach(struct pf_altq *); 183 int altq_pfdetach(struct pf_altq *); 184 int altq_add(struct ifnet *, struct pf_altq *); 185 int altq_remove(struct pf_altq *); 186 int altq_add_queue(struct pf_altq *); 187 int altq_remove_queue(struct pf_altq *); 188 int altq_getqstats(struct pf_altq *, void *, int *, int); 189 190 int cbq_pfattach(struct pf_altq *); 191 int cbq_add_altq(struct ifnet *, struct pf_altq *); 192 int cbq_remove_altq(struct pf_altq *); 193 int cbq_add_queue(struct pf_altq *); 194 int cbq_remove_queue(struct pf_altq *); 195 int cbq_getqstats(struct pf_altq *, void *, int *, int); 196 197 int codel_pfattach(struct pf_altq *); 198 int codel_add_altq(struct ifnet *, struct pf_altq *); 199 int codel_remove_altq(struct pf_altq *); 200 int codel_getqstats(struct pf_altq *, void *, int *, int); 201 202 int priq_pfattach(struct pf_altq *); 203 int priq_add_altq(struct ifnet *, struct pf_altq *); 204 int priq_remove_altq(struct pf_altq *); 205 int priq_add_queue(struct pf_altq *); 206 int priq_remove_queue(struct pf_altq *); 207 int priq_getqstats(struct pf_altq *, void *, int *, int); 208 209 int hfsc_pfattach(struct pf_altq *); 210 int hfsc_add_altq(struct ifnet *, struct pf_altq *); 211 int hfsc_remove_altq(struct pf_altq *); 212 int hfsc_add_queue(struct pf_altq *); 213 int hfsc_remove_queue(struct pf_altq *); 214 int hfsc_getqstats(struct pf_altq *, void *, int *, int); 215 216 int fairq_pfattach(struct pf_altq *); 217 int fairq_add_altq(struct ifnet *, struct pf_altq *); 218 int fairq_remove_altq(struct pf_altq *); 219 int fairq_add_queue(struct pf_altq *); 220 int fairq_remove_queue(struct pf_altq *); 221 int fairq_getqstats(struct pf_altq *, void *, int *, int); 222 223 #endif /* _KERNEL */ 224 #endif /* _ALTQ_ALTQ_VAR_H_ */ 225