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/* $FreeBSD$ */
/* $KAME: altq_priq.h,v 1.5 2003/07/10 12:07:48 kjc Exp $ */
/*
* Copyright (C) 2000-2003
* 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_PRIQ_H_
#define _ALTQ_ALTQ_PRIQ_H_
#include <altq/altq.h>
#include <altq/altq_classq.h>
#include <altq/altq_red.h>
#include <altq/altq_rio.h>
#ifdef __cplusplus
extern "C" {
#endif
#define PRIQ_MAXPRI 16 /* upper limit of the number of priorities */
#define PRIQ_MAXQID 256 /* upper limit of queues */
#ifdef ALTQ3_COMPAT
struct priq_interface {
char ifname[IFNAMSIZ]; /* interface name (e.g., fxp0) */
u_long arg; /* request-specific argument */
};
struct priq_add_class {
struct priq_interface iface;
int pri; /* priority (0 is the lowest) */
int qlimit; /* queue size limit */
int flags; /* misc flags (see below) */
u_int32_t class_handle; /* return value */
};
#endif /* ALTQ3_COMPAT */
/* priq class flags */
#define PRCF_RED 0x0001 /* use RED */
#define PRCF_ECN 0x0002 /* use RED/ECN */
#define PRCF_RIO 0x0004 /* use RIO */
#define PRCF_CLEARDSCP 0x0010 /* clear diffserv codepoint */
#define PRCF_DEFAULTCLASS 0x1000 /* default class */
/* special class handles */
#define PRIQ_NULLCLASS_HANDLE 0
#ifdef ALTQ3_COMPAT
struct priq_delete_class {
struct priq_interface iface;
u_int32_t class_handle;
};
struct priq_modify_class {
struct priq_interface iface;
u_int32_t class_handle;
int pri;
int qlimit;
int flags;
};
struct priq_add_filter {
struct priq_interface iface;
u_int32_t class_handle;
struct flow_filter filter;
u_long filter_handle; /* return value */
};
struct priq_delete_filter {
struct priq_interface iface;
u_long filter_handle;
};
#endif /* ALTQ3_COMPAT */
struct priq_classstats {
u_int32_t class_handle;
u_int qlength;
u_int qlimit;
u_int period;
struct pktcntr xmitcnt; /* transmitted packet counter */
struct pktcntr dropcnt; /* dropped packet counter */
/* red and rio related info */
int qtype;
struct redstats red[3]; /* rio has 3 red stats */
};
#ifdef ALTQ3_COMPAT
struct priq_class_stats {
struct priq_interface iface;
int maxpri; /* in/out */
struct priq_classstats *stats; /* pointer to stats array */
};
#define PRIQ_IF_ATTACH _IOW('Q', 1, struct priq_interface)
#define PRIQ_IF_DETACH _IOW('Q', 2, struct priq_interface)
#define PRIQ_ENABLE _IOW('Q', 3, struct priq_interface)
#define PRIQ_DISABLE _IOW('Q', 4, struct priq_interface)
#define PRIQ_CLEAR _IOW('Q', 5, struct priq_interface)
#define PRIQ_ADD_CLASS _IOWR('Q', 7, struct priq_add_class)
#define PRIQ_DEL_CLASS _IOW('Q', 8, struct priq_delete_class)
#define PRIQ_MOD_CLASS _IOW('Q', 9, struct priq_modify_class)
#define PRIQ_ADD_FILTER _IOWR('Q', 10, struct priq_add_filter)
#define PRIQ_DEL_FILTER _IOW('Q', 11, struct priq_delete_filter)
#define PRIQ_GETSTATS _IOWR('Q', 12, struct priq_class_stats)
#endif /* ALTQ3_COMPAT */
#ifdef _KERNEL
struct priq_class {
u_int32_t cl_handle; /* class handle */
class_queue_t *cl_q; /* class queue structure */
struct red *cl_red; /* RED state */
int cl_pri; /* priority */
int cl_flags; /* class flags */
struct priq_if *cl_pif; /* back pointer to pif */
struct altq_pktattr *cl_pktattr; /* saved header used by ECN */
/* statistics */
u_int cl_period; /* backlog period */
struct pktcntr cl_xmitcnt; /* transmitted packet counter */
struct pktcntr cl_dropcnt; /* dropped packet counter */
};
/*
* priq interface state
*/
struct priq_if {
struct priq_if *pif_next; /* interface state list */
struct ifaltq *pif_ifq; /* backpointer to ifaltq */
u_int pif_bandwidth; /* link bandwidth in bps */
int pif_maxpri; /* max priority in use */
struct priq_class *pif_default; /* default class */
struct priq_class *pif_classes[PRIQ_MAXPRI]; /* classes */
#ifdef ALTQ3_CLFIER_COMPAT
struct acc_classifier pif_classifier; /* classifier */
#endif
};
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _ALTQ_ALTQ_PRIQ_H_ */
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