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/* $OpenBSD: altq_var.h,v 1.1 2001/06/27 05:28:36 kjc Exp $ */
/* $KAME: altq_var.h,v 1.8 2001/02/09 09:44:41 kjc Exp $ */
/*
* Copyright (C) 1998-2000
* 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>
/*
* 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)
struct acc_classifier {
u_int32_t acc_fbmask;
LIST_HEAD(filt, acc_filter) acc_filters[ACC_FILTER_TABLESIZE];
};
/*
* 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)
/*
* machine dependent clock
* a 64bit high resolution time counter.
*/
extern u_int32_t machclk_freq;
extern u_int32_t machclk_per_tick;
extern void init_machclk(void);
#if defined(__i386__) && !defined(ALTQ_NOPCC)
/* for pentium tsc */
#include <machine/cpufunc.h>
#define read_machclk() rdtsc()
#ifdef __OpenBSD__
static __inline u_int64_t
rdtsc(void)
{
u_int64_t rv;
__asm __volatile(".byte 0x0f, 0x31" : "=A" (rv));
return (rv);
}
#endif /* __OpenBSD__ */
#elif defined(__alpha__) && !defined(ALTQ_NOPCC)
/* for alpha rpcc */
extern u_int64_t read_machclk(void);
#else /* !i386 && !alpha */
/* emulate 256MHz using microtime() */
#define MACHCLK_SHIFT 8
static __inline u_int64_t
read_machclk(void)
{
struct timeval tv;
microtime(&tv);
return (((u_int64_t)(tv.tv_sec - boottime.tv_sec) * 1000000
+ tv.tv_usec) << MACHCLK_SHIFT);
}
#endif /* !i386 && !alpha */
/*
* 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>
#define CALLOUT_INIT(c) callout_init((c))
#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 (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 (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) __P((void *));/* functiuon to call */
};
#define CALLOUT_INIT(c) do { bzero((c), sizeof(*(c))); } while (0)
#define CALLOUT_RESET(c,t,f,a) do { (c)->c_arg = (a); \
(c)->c_func = (f); \
timeout((f),(a),(t)); } while (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 flowinfo;
void *altq_lookup __P((char *, int));
int altq_extractflow __P((struct mbuf *, int, struct flowinfo *, u_int32_t));
int acc_add_filter __P((struct acc_classifier *, struct flow_filter *,
void *, u_long *));
int acc_delete_filter __P((struct acc_classifier *, u_long));
int acc_discard_filters __P((struct acc_classifier *, void *, int));
void *acc_classify __P((void *, struct mbuf *, int));
u_int8_t read_dsfield __P((struct mbuf *, struct altq_pktattr *));
void write_dsfield __P((struct mbuf *, struct altq_pktattr *, u_int8_t));
void altq_assert __P((const char *, int, const char *));
int tbr_set __P((struct ifaltq *, struct tb_profile *));
int tbr_get __P((struct ifaltq *, struct tb_profile *));
#endif /* _KERNEL */
#endif /* _ALTQ_ALTQ_VAR_H_ */
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