268 lines
8.2 KiB
C
268 lines
8.2 KiB
C
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/* $FreeBSD$ */
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/* $KAME: altq_var.h,v 1.15 2003/07/10 12:07:49 kjc Exp $ */
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/*
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* Copyright (C) 1998-2003
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* Sony Computer Science Laboratories Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _ALTQ_ALTQ_VAR_H_
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#define _ALTQ_ALTQ_VAR_H_
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#ifdef _KERNEL
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/queue.h>
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#ifdef ALTQ3_CLFIER_COMPAT
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/*
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* filter structure for altq common classifier
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*/
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struct acc_filter {
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LIST_ENTRY(acc_filter) f_chain;
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void *f_class; /* pointer to the class */
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u_long f_handle; /* filter id */
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u_int32_t f_fbmask; /* filter bitmask */
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struct flow_filter f_filter; /* filter value */
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};
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/*
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* XXX ACC_FILTER_TABLESIZE can't be larger than 2048 unless we fix
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* the handle assignment.
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*/
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#define ACC_FILTER_TABLESIZE (256+1)
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#define ACC_FILTER_MASK (ACC_FILTER_TABLESIZE - 2)
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#define ACC_WILDCARD_INDEX (ACC_FILTER_TABLESIZE - 1)
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#ifdef __GNUC__
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#define ACC_GET_HASH_INDEX(addr) \
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({int x = (addr) + ((addr) >> 16); (x + (x >> 8)) & ACC_FILTER_MASK;})
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#else
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#define ACC_GET_HASH_INDEX(addr) \
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(((addr) + ((addr) >> 8) + ((addr) >> 16) + ((addr) >> 24)) \
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& ACC_FILTER_MASK)
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#endif
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#define ACC_GET_HINDEX(handle) ((handle) >> 20)
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#if (__FreeBSD_version > 500000)
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#define ACC_LOCK_INIT(ac) mtx_init(&(ac)->acc_mtx, "classifier", MTX_DEF)
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#define ACC_LOCK_DESTROY(ac) mtx_destroy(&(ac)->acc_mtx)
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#define ACC_LOCK(ac) mtx_lock(&(ac)->acc_mtx)
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#define ACC_UNLOCK(ac) mtx_unlock(&(ac)->acc_mtx)
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#else
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#define ACC_LOCK_INIT(ac)
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#define ACC_LOCK_DESTROY(ac)
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#define ACC_LOCK(ac)
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#define ACC_UNLOCK(ac)
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#endif
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struct acc_classifier {
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u_int32_t acc_fbmask;
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LIST_HEAD(filt, acc_filter) acc_filters[ACC_FILTER_TABLESIZE];
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#if (__FreeBSD_version > 500000)
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struct mtx acc_mtx;
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#endif
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};
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/*
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* flowinfo mask bits used by classifier
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*/
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/* for ipv4 */
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#define FIMB4_PROTO 0x0001
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#define FIMB4_TOS 0x0002
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#define FIMB4_DADDR 0x0004
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#define FIMB4_SADDR 0x0008
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#define FIMB4_DPORT 0x0010
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#define FIMB4_SPORT 0x0020
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#define FIMB4_GPI 0x0040
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#define FIMB4_ALL 0x007f
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/* for ipv6 */
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#define FIMB6_PROTO 0x0100
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#define FIMB6_TCLASS 0x0200
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#define FIMB6_DADDR 0x0400
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#define FIMB6_SADDR 0x0800
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#define FIMB6_DPORT 0x1000
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#define FIMB6_SPORT 0x2000
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#define FIMB6_GPI 0x4000
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#define FIMB6_FLABEL 0x8000
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#define FIMB6_ALL 0xff00
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#define FIMB_ALL (FIMB4_ALL|FIMB6_ALL)
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#define FIMB4_PORTS (FIMB4_DPORT|FIMB4_SPORT|FIMB4_GPI)
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#define FIMB6_PORTS (FIMB6_DPORT|FIMB6_SPORT|FIMB6_GPI)
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#endif /* ALTQ3_CLFIER_COMPAT */
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/*
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* machine dependent clock
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* a 64bit high resolution time counter.
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*/
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extern int machclk_usepcc;
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extern u_int32_t machclk_freq;
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extern u_int32_t machclk_per_tick;
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extern void init_machclk(void);
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extern u_int64_t read_machclk(void);
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/*
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* debug support
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*/
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#ifdef ALTQ_DEBUG
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#ifdef __STDC__
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#define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, #e))
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#else /* PCC */
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#define ASSERT(e) ((e) ? (void)0 : altq_assert(__FILE__, __LINE__, "e"))
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#endif
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#else
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#define ASSERT(e) ((void)0)
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#endif
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/*
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* misc stuff for compatibility
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*/
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/* ioctl cmd type */
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#if defined(__FreeBSD__) && (__FreeBSD__ < 3)
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typedef int ioctlcmd_t;
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#else
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typedef u_long ioctlcmd_t;
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#endif
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/*
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* queue macros:
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* the interface of TAILQ_LAST macro changed after the introduction
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* of softupdate. redefine it here to make it work with pre-2.2.7.
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*/
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#undef TAILQ_LAST
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#define TAILQ_LAST(head, headname) \
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(*(((struct headname *)((head)->tqh_last))->tqh_last))
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#ifndef TAILQ_EMPTY
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#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL)
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#endif
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#ifndef TAILQ_FOREACH
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#define TAILQ_FOREACH(var, head, field) \
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for (var = TAILQ_FIRST(head); var; var = TAILQ_NEXT(var, field))
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#endif
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/* macro for timeout/untimeout */
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#if (__FreeBSD_version > 300000) || defined(__NetBSD__)
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/* use callout */
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#include <sys/callout.h>
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#if (__FreeBSD_version > 500000)
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#define CALLOUT_INIT(c) callout_init((c), 0)
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#else
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#define CALLOUT_INIT(c) callout_init((c))
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#endif
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#define CALLOUT_RESET(c,t,f,a) callout_reset((c),(t),(f),(a))
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#define CALLOUT_STOP(c) callout_stop((c))
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#ifndef CALLOUT_INITIALIZER
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#define CALLOUT_INITIALIZER { { { NULL } }, 0, NULL, NULL, 0 }
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#endif
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#elif defined(__OpenBSD__)
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#include <sys/timeout.h>
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/* callout structure as a wrapper of struct timeout */
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struct callout {
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struct timeout c_to;
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};
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#define CALLOUT_INIT(c) do { bzero((c), sizeof(*(c))); } while (/*CONSTCOND*/ 0)
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#define CALLOUT_RESET(c,t,f,a) do { if (!timeout_initialized(&(c)->c_to)) \
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timeout_set(&(c)->c_to, (f), (a)); \
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timeout_add(&(c)->c_to, (t)); } while (/*CONSTCOND*/ 0)
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#define CALLOUT_STOP(c) timeout_del(&(c)->c_to)
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#define CALLOUT_INITIALIZER { { { NULL }, NULL, NULL, 0, 0 } }
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#else
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/* use old-style timeout/untimeout */
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/* dummy callout structure */
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struct callout {
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void *c_arg; /* function argument */
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void (*c_func)(void *); /* functiuon to call */
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};
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#define CALLOUT_INIT(c) do { bzero((c), sizeof(*(c))); } while (/*CONSTCOND*/ 0)
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#define CALLOUT_RESET(c,t,f,a) do { (c)->c_arg = (a); \
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(c)->c_func = (f); \
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timeout((f),(a),(t)); } while (/*CONSTCOND*/ 0)
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#define CALLOUT_STOP(c) untimeout((c)->c_func,(c)->c_arg)
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#define CALLOUT_INITIALIZER { NULL, NULL }
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#endif
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#if !defined(__FreeBSD__)
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typedef void (timeout_t)(void *);
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#endif
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#define m_pktlen(m) ((m)->m_pkthdr.len)
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extern int pfaltq_running;
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struct ifnet; struct mbuf;
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struct pf_altq;
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#ifdef ALTQ3_CLFIER_COMPAT
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struct flowinfo;
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#endif
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void *altq_lookup(char *, int);
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#ifdef ALTQ3_CLFIER_COMPAT
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int altq_extractflow(struct mbuf *, int, struct flowinfo *, u_int32_t);
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int acc_add_filter(struct acc_classifier *, struct flow_filter *,
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void *, u_long *);
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int acc_delete_filter(struct acc_classifier *, u_long);
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int acc_discard_filters(struct acc_classifier *, void *, int);
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void *acc_classify(void *, struct mbuf *, int);
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#endif
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u_int8_t read_dsfield(struct mbuf *, struct altq_pktattr *);
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void write_dsfield(struct mbuf *, struct altq_pktattr *, u_int8_t);
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void altq_assert(const char *, int, const char *);
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int tbr_set(struct ifaltq *, struct tb_profile *);
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int tbr_get(struct ifaltq *, struct tb_profile *);
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int altq_pfattach(struct pf_altq *);
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int altq_pfdetach(struct pf_altq *);
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int altq_add(struct pf_altq *);
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int altq_remove(struct pf_altq *);
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int altq_add_queue(struct pf_altq *);
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int altq_remove_queue(struct pf_altq *);
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int altq_getqstats(struct pf_altq *, void *, int *);
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int cbq_pfattach(struct pf_altq *);
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int cbq_add_altq(struct pf_altq *);
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int cbq_remove_altq(struct pf_altq *);
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int cbq_add_queue(struct pf_altq *);
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int cbq_remove_queue(struct pf_altq *);
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int cbq_getqstats(struct pf_altq *, void *, int *);
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int priq_pfattach(struct pf_altq *);
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int priq_add_altq(struct pf_altq *);
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int priq_remove_altq(struct pf_altq *);
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int priq_add_queue(struct pf_altq *);
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int priq_remove_queue(struct pf_altq *);
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int priq_getqstats(struct pf_altq *, void *, int *);
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int hfsc_pfattach(struct pf_altq *);
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int hfsc_add_altq(struct pf_altq *);
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int hfsc_remove_altq(struct pf_altq *);
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int hfsc_add_queue(struct pf_altq *);
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int hfsc_remove_queue(struct pf_altq *);
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int hfsc_getqstats(struct pf_altq *, void *, int *);
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#endif /* _KERNEL */
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#endif /* _ALTQ_ALTQ_VAR_H_ */
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