162 lines
5.0 KiB
C
162 lines
5.0 KiB
C
/* $NetBSD: altq_priq.h,v 1.2 2000/12/14 08:49:50 thorpej Exp $ */
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/* $KAME: altq_priq.h,v 1.1 2000/10/18 09:15:23 kjc Exp $ */
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/*
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* Copyright (C) 2000
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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_PRIQ_H_
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#define _ALTQ_ALTQ_PRIQ_H_
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#include <altq/altq.h>
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#include <altq/altq_classq.h>
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#include <altq/altq_red.h>
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#include <altq/altq_rio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define PRIQ_MAXPRI 16 /* upper limit of the number of priorities */
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struct priq_interface {
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char ifname[IFNAMSIZ]; /* interface name (e.g., fxp0) */
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u_long arg; /* request-specific argument */
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};
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struct priq_add_class {
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struct priq_interface iface;
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int pri; /* priority (0 is the lowest) */
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int qlimit; /* queue size limit */
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int flags; /* misc flags (see below) */
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u_long class_handle; /* return value */
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};
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/* priq class flags */
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#define PRCF_RED 0x0001 /* use RED */
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#define PRCF_ECN 0x0002 /* use RED/ECN */
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#define PRCF_RIO 0x0004 /* use RIO */
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#define PRCF_CLEARDSCP 0x0010 /* clear diffserv codepoint */
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#define PRCF_DEFAULTCLASS 0x1000 /* default class */
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/* special class handles */
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#define PRIQ_NULLCLASS_HANDLE 0
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struct priq_delete_class {
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struct priq_interface iface;
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u_long class_handle;
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};
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struct priq_modify_class {
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struct priq_interface iface;
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u_long class_handle;
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int pri;
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int qlimit;
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int flags;
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};
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struct priq_add_filter {
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struct priq_interface iface;
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u_long class_handle;
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struct flow_filter filter;
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u_long filter_handle; /* return value */
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};
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struct priq_delete_filter {
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struct priq_interface iface;
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u_long filter_handle;
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};
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struct class_stats {
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u_long class_handle;
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u_int qlength;
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u_int period;
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struct pktcntr xmitcnt; /* transmitted packet counter */
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struct pktcntr dropcnt; /* dropped packet counter */
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/* red and rio related info */
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int qtype;
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struct redstats red[3]; /* rio has 3 red stats */
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};
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struct priq_class_stats {
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struct priq_interface iface;
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int maxpri; /* in/out */
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struct class_stats *stats; /* pointer to stats array */
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};
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#define PRIQ_IF_ATTACH _IOW('Q', 1, struct priq_interface)
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#define PRIQ_IF_DETACH _IOW('Q', 2, struct priq_interface)
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#define PRIQ_ENABLE _IOW('Q', 3, struct priq_interface)
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#define PRIQ_DISABLE _IOW('Q', 4, struct priq_interface)
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#define PRIQ_CLEAR _IOW('Q', 5, struct priq_interface)
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#define PRIQ_ADD_CLASS _IOWR('Q', 7, struct priq_add_class)
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#define PRIQ_DEL_CLASS _IOW('Q', 8, struct priq_delete_class)
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#define PRIQ_MOD_CLASS _IOW('Q', 9, struct priq_modify_class)
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#define PRIQ_ADD_FILTER _IOWR('Q', 10, struct priq_add_filter)
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#define PRIQ_DEL_FILTER _IOW('Q', 11, struct priq_delete_filter)
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#define PRIQ_GETSTATS _IOWR('Q', 12, struct priq_class_stats)
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#ifdef _KERNEL
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struct priq_class {
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u_long cl_handle; /* class handle */
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class_queue_t *cl_q; /* class queue structure */
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struct red *cl_red; /* RED state */
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int cl_pri; /* priority */
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int cl_flags; /* class flags */
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struct priq_if *cl_pif; /* back pointer to pif */
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struct altq_pktattr *cl_pktattr; /* saved header used by ECN */
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/* statistics */
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u_int cl_period; /* backlog period */
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struct pktcntr cl_xmitcnt; /* transmitted packet counter */
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struct pktcntr cl_dropcnt; /* dropped packet counter */
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};
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/*
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* priq interface state
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*/
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struct priq_if {
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struct priq_if *pif_next; /* interface state list */
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struct ifaltq *pif_ifq; /* backpointer to ifaltq */
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u_int pif_bandwidth; /* link bandwidth in bps */
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int pif_maxpri; /* max priority in use */
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struct priq_class *pif_default; /* default class */
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struct priq_class *pif_classes[PRIQ_MAXPRI]; /* classes */
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struct acc_classifier pif_classifier; /* classifier */
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};
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#endif /* _KERNEL */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ALTQ_ALTQ_PRIQ_H_ */
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