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+/* $KAME: altq_var.h,v 1.16 2003/10/03 05:05:15 kjc Exp $ */
+
+/*
+ * Copyright (C) 1998-2003
+ * Sony Computer Science Laboratories Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#ifndef _ALTQ_ALTQ_VAR_H_
+#define _ALTQ_ALTQ_VAR_H_
+
+#ifdef _KERNEL
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/queue.h>
+
+#ifdef ALTQ3_CLFIER_COMPAT
+/*
+ * filter structure for altq common classifier
+ */
+struct acc_filter {
+ LIST_ENTRY(acc_filter) f_chain;
+ void *f_class; /* pointer to the class */
+ u_long f_handle; /* filter id */
+ u_int32_t f_fbmask; /* filter bitmask */
+ struct flow_filter f_filter; /* filter value */
+};
+
+/*
+ * XXX ACC_FILTER_TABLESIZE can't be larger than 2048 unless we fix
+ * the handle assignment.
+ */
+#define ACC_FILTER_TABLESIZE (256+1)
+#define ACC_FILTER_MASK (ACC_FILTER_TABLESIZE - 2)
+#define ACC_WILDCARD_INDEX (ACC_FILTER_TABLESIZE - 1)
+#ifdef __GNUC__
+#define ACC_GET_HASH_INDEX(addr) \
+ ({int x = (addr) + ((addr) >> 16); (x + (x >> 8)) & ACC_FILTER_MASK;})
+#else
+#define ACC_GET_HASH_INDEX(addr) \
+ (((addr) + ((addr) >> 8) + ((addr) >> 16) + ((addr) >> 24)) \
+ & ACC_FILTER_MASK)
+#endif
+#define ACC_GET_HINDEX(handle) ((handle) >> 20)
+
+#if (__FreeBSD_version > 500000)
+#define ACC_LOCK_INIT(ac) mtx_init(&(ac)->acc_mtx, "classifier", MTX_DEF)
+#define ACC_LOCK_DESTROY(ac) mtx_destroy(&(ac)->acc_mtx)
+#define ACC_LOCK(ac) mtx_lock(&(ac)->acc_mtx)
+#define ACC_UNLOCK(ac) mtx_unlock(&(ac)->acc_mtx)
+#else
+#define ACC_LOCK_INIT(ac)
+#define ACC_LOCK_DESTROY(ac)
+#define ACC_LOCK(ac)
+#define ACC_UNLOCK(ac)
+#endif
+
+struct acc_classifier {
+ u_int32_t acc_fbmask;
+ LIST_HEAD(filt, acc_filter) acc_filters[ACC_FILTER_TABLESIZE];
+
+#if (__FreeBSD_version > 500000)
+ struct mtx acc_mtx;
+#endif
+};
+
+/*
+ * flowinfo mask bits used by classifier
+ */
+/* for ipv4 */
+#define FIMB4_PROTO 0x0001
+#define FIMB4_TOS 0x0002
+#define FIMB4_DADDR 0x0004
+#define FIMB4_SADDR 0x0008
+#define FIMB4_DPORT 0x0010
+#define FIMB4_SPORT 0x0020
+#define FIMB4_GPI 0x0040
+#define FIMB4_ALL 0x007f
+/* for ipv6 */
+#define FIMB6_PROTO 0x0100
+#define FIMB6_TCLASS 0x0200
+#define FIMB6_DADDR 0x0400
+#define FIMB6_SADDR 0x0800
+#define FIMB6_DPORT 0x1000
+#define FIMB6_SPORT 0x2000
+#define FIMB6_GPI 0x4000
+#define FIMB6_FLABEL 0x8000
+#define FIMB6_ALL 0xff00
+
+#define FIMB_ALL (FIMB4_ALL|FIMB6_ALL)
+
+#define FIMB4_PORTS (FIMB4_DPORT|FIMB4_SPORT|FIMB4_GPI)
+#define FIMB6_PORTS (FIMB6_DPORT|FIMB6_SPORT|FIMB6_GPI)
+#endif /* ALTQ3_CLFIER_COMPAT */
+
+/*
+ * machine dependent clock
+ * a 64bit high resolution time counter.
+ */
+extern int machclk_usepcc;
+extern u_int32_t machclk_freq;
+extern u_int32_t machclk_per_tick;
+extern void init_machclk(void);
+extern u_int64_t read_machclk(void);
+
+/*
+ * debug support
+ */
+#ifdef ALTQ_DEBUG
+#ifdef __STDC__
+#define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, #e))
+#else /* PCC */
+#define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, "e"))
+#endif
+#else
+#define ASSERT(e) ((void)0)
+#endif
+
+/*
+ * misc stuff for compatibility
+ */
+/* ioctl cmd type */
+#if defined(__FreeBSD__) && (__FreeBSD__ < 3)
+typedef int ioctlcmd_t;
+#else
+typedef u_long ioctlcmd_t;
+#endif
+
+/*
+ * queue macros:
+ * the interface of TAILQ_LAST macro changed after the introduction
+ * of softupdate. redefine it here to make it work with pre-2.2.7.
+ */
+#undef TAILQ_LAST
+#define TAILQ_LAST(head, headname) \
+ (*(((struct headname *)((head)->tqh_last))->tqh_last))
+
+#ifndef TAILQ_EMPTY
+#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL)
+#endif
+#ifndef TAILQ_FOREACH
+#define TAILQ_FOREACH(var, head, field) \
+ for (var = TAILQ_FIRST(head); var; var = TAILQ_NEXT(var, field))
+#endif
+
+/* macro for timeout/untimeout */
+#if (__FreeBSD_version > 300000) || defined(__NetBSD__)
+/* use callout */
+#include <sys/callout.h>
+
+#if (__FreeBSD_version > 500000)
+#define CALLOUT_INIT(c) callout_init((c), 0)
+#else
+#define CALLOUT_INIT(c) callout_init((c))
+#endif
+#define CALLOUT_RESET(c,t,f,a) callout_reset((c),(t),(f),(a))
+#define CALLOUT_STOP(c) callout_stop((c))
+#ifndef CALLOUT_INITIALIZER
+#define CALLOUT_INITIALIZER { { { NULL } }, 0, NULL, NULL, 0 }
+#endif
+#elif defined(__OpenBSD__)
+#include <sys/timeout.h>
+/* callout structure as a wrapper of struct timeout */
+struct callout {
+ struct timeout c_to;
+};
+#define CALLOUT_INIT(c) do { bzero((c), sizeof(*(c))); } while (/*CONSTCOND*/ 0)
+#define CALLOUT_RESET(c,t,f,a) do { if (!timeout_initialized(&(c)->c_to)) \
+ timeout_set(&(c)->c_to, (f), (a)); \
+ timeout_add(&(c)->c_to, (t)); } while (/*CONSTCOND*/ 0)
+#define CALLOUT_STOP(c) timeout_del(&(c)->c_to)
+#define CALLOUT_INITIALIZER { { { NULL }, NULL, NULL, 0, 0 } }
+#else
+/* use old-style timeout/untimeout */
+/* dummy callout structure */
+struct callout {
+ void *c_arg; /* function argument */
+ void (*c_func)(void *); /* functiuon to call */
+};
+#define CALLOUT_INIT(c) do { bzero((c), sizeof(*(c))); } while (/*CONSTCOND*/ 0)
+#define CALLOUT_RESET(c,t,f,a) do { (c)->c_arg = (a); \
+ (c)->c_func = (f); \
+ timeout((f),(a),(t)); } while (/*CONSTCOND*/ 0)
+#define CALLOUT_STOP(c) untimeout((c)->c_func,(c)->c_arg)
+#define CALLOUT_INITIALIZER { NULL, NULL }
+#endif
+#if !defined(__FreeBSD__)
+typedef void (timeout_t)(void *);
+#endif
+
+#define m_pktlen(m) ((m)->m_pkthdr.len)
+
+struct ifnet; struct mbuf;
+struct pf_altq;
+#ifdef ALTQ3_CLFIER_COMPAT
+struct flowinfo;
+#endif
+
+void *altq_lookup(char *, int);
+#ifdef ALTQ3_CLFIER_COMPAT
+int altq_extractflow(struct mbuf *, int, struct flowinfo *, u_int32_t);
+int acc_add_filter(struct acc_classifier *, struct flow_filter *,
+ void *, u_long *);
+int acc_delete_filter(struct acc_classifier *, u_long);
+int acc_discard_filters(struct acc_classifier *, void *, int);
+void *acc_classify(void *, struct mbuf *, int);
+#endif
+u_int8_t read_dsfield(struct mbuf *, struct altq_pktattr *);
+void write_dsfield(struct mbuf *, struct altq_pktattr *, u_int8_t);
+void altq_assert(const char *, int, const char *);
+int tbr_set(struct ifaltq *, struct tb_profile *);
+int tbr_get(struct ifaltq *, struct tb_profile *);
+
+int altq_pfattach(struct pf_altq *);
+int altq_pfdetach(struct pf_altq *);
+int altq_add(struct pf_altq *);
+int altq_remove(struct pf_altq *);
+int altq_add_queue(struct pf_altq *);
+int altq_remove_queue(struct pf_altq *);
+int altq_getqstats(struct pf_altq *, void *, int *);
+
+int cbq_pfattach(struct pf_altq *);
+int cbq_add_altq(struct pf_altq *);
+int cbq_remove_altq(struct pf_altq *);
+int cbq_add_queue(struct pf_altq *);
+int cbq_remove_queue(struct pf_altq *);
+int cbq_getqstats(struct pf_altq *, void *, int *);
+
+int priq_pfattach(struct pf_altq *);
+int priq_add_altq(struct pf_altq *);
+int priq_remove_altq(struct pf_altq *);
+int priq_add_queue(struct pf_altq *);
+int priq_remove_queue(struct pf_altq *);
+int priq_getqstats(struct pf_altq *, void *, int *);
+
+int hfsc_pfattach(struct pf_altq *);
+int hfsc_add_altq(struct pf_altq *);
+int hfsc_remove_altq(struct pf_altq *);
+int hfsc_add_queue(struct pf_altq *);
+int hfsc_remove_queue(struct pf_altq *);
+int hfsc_getqstats(struct pf_altq *, void *, int *);
+
+#endif /* _KERNEL */
+#endif /* _ALTQ_ALTQ_VAR_H_ */