Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/net/altq/altq_var.h
Version:
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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 #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 int machclk_usepcc; 122 extern u_int32_t machclk_freq; 123 extern u_int32_t machclk_per_tick; 124 extern void init_machclk(void); 125 extern 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 */ 144 typedef 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 #define CALLOUT_INIT(c) callout_init((c), 1) 168 #define CALLOUT_RESET(c,t,f,a) callout_reset((c),(t),(f),(a)) 169 #define CALLOUT_STOP(c) callout_stop((c)) 170 171 #define m_pktlen(m) ((m)->m_pkthdr.len) 172 173 struct ifnet; struct mbuf; 174 struct pf_altq; 175 #ifdef ALTQ3_CLFIER_COMPAT 176 struct flowinfo; 177 #endif 178 179 void *altq_lookup(char *, int); 180 #ifdef ALTQ3_CLFIER_COMPAT 181 int altq_extractflow(struct mbuf *, int, struct flowinfo *, u_int32_t); 182 int acc_add_filter(struct acc_classifier *, struct flow_filter *, 183 void *, u_long *); 184 int acc_delete_filter(struct acc_classifier *, u_long); 185 int acc_discard_filters(struct acc_classifier *, void *, int); 186 void *acc_classify(void *, struct mbuf *, int); 187 #endif 188 u_int8_t read_dsfield(struct mbuf *, struct altq_pktattr *); 189 void write_dsfield(struct mbuf *, struct altq_pktattr *, u_int8_t); 190 void altq_assert(const char *, int, const char *); 191 int tbr_set(struct ifaltq *, struct tb_profile *); 192 193 int altq_pfattach(struct pf_altq *); 194 int altq_pfdetach(struct pf_altq *); 195 int altq_add(struct ifnet *, struct pf_altq *); 196 int altq_remove(struct pf_altq *); 197 int altq_add_queue(struct pf_altq *); 198 int altq_remove_queue(struct pf_altq *); 199 int altq_getqstats(struct pf_altq *, void *, int *, int); 200 201 int cbq_pfattach(struct pf_altq *); 202 int cbq_add_altq(struct ifnet *, struct pf_altq *); 203 int cbq_remove_altq(struct pf_altq *); 204 int cbq_add_queue(struct pf_altq *); 205 int cbq_remove_queue(struct pf_altq *); 206 int cbq_getqstats(struct pf_altq *, void *, int *, int); 207 208 int codel_pfattach(struct pf_altq *); 209 int codel_add_altq(struct ifnet *, struct pf_altq *); 210 int codel_remove_altq(struct pf_altq *); 211 int codel_getqstats(struct pf_altq *, void *, int *, int); 212 213 int priq_pfattach(struct pf_altq *); 214 int priq_add_altq(struct ifnet *, struct pf_altq *); 215 int priq_remove_altq(struct pf_altq *); 216 int priq_add_queue(struct pf_altq *); 217 int priq_remove_queue(struct pf_altq *); 218 int priq_getqstats(struct pf_altq *, void *, int *, int); 219 220 int hfsc_pfattach(struct pf_altq *); 221 int hfsc_add_altq(struct ifnet *, struct pf_altq *); 222 int hfsc_remove_altq(struct pf_altq *); 223 int hfsc_add_queue(struct pf_altq *); 224 int hfsc_remove_queue(struct pf_altq *); 225 int hfsc_getqstats(struct pf_altq *, void *, int *, int); 226 227 int fairq_pfattach(struct pf_altq *); 228 int fairq_add_altq(struct ifnet *, struct pf_altq *); 229 int fairq_remove_altq(struct pf_altq *); 230 int fairq_add_queue(struct pf_altq *); 231 int fairq_remove_queue(struct pf_altq *); 232 int fairq_getqstats(struct pf_altq *, void *, int *, int); 233 234 #endif /* _KERNEL */ 235 #endif /* _ALTQ_ALTQ_VAR_H_ */
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