130 lines
3.9 KiB
C
130 lines
3.9 KiB
C
/* $NetBSD: altq_wfq.h,v 1.5 2006/10/12 19:59:08 peter Exp $ */
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/* $KAME: altq_wfq.h,v 1.8 2003/07/10 12:07:49 kjc Exp $ */
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/*
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* Copyright (C) 1997-2002
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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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/*
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* March 27, 1997. Written by Hiroshi Kyusojin of Keio University
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* (kyu@mt.cs.keio.ac.jp).
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*/
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#ifndef _ALTQ_ALTQ_WFQ_H_
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#define _ALTQ_ALTQ_WFQ_H_
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#include <altq/altq.h>
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#define DEFAULT_QSIZE 256
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#define MAX_QSIZE 2048
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struct wfq_interface{
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char wfq_ifacename[IFNAMSIZ];
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};
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struct wfq_getqid{
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struct wfq_interface iface;
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#ifdef ALTQ3_CLFIER_COMPAT
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struct flowinfo flow;
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#endif
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u_long qid;
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};
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struct wfq_setweight {
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struct wfq_interface iface;
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int qid;
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int weight;
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};
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typedef struct each_queue_stats {
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int bytes; /* bytes in this queue */
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int weight; /* weight in percent */
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struct pktcntr xmit_cnt;
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struct pktcntr drop_cnt;
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} queue_stats;
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struct wfq_getstats {
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struct wfq_interface iface;
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int qid;
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queue_stats stats;
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};
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struct wfq_conf {
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struct wfq_interface iface;
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int hash_policy; /* hash policy */
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int nqueues; /* number of queues */
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int qlimit; /* queue size in bytes */
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};
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#define WFQ_HASH_DSTADDR 0 /* hash by dst address */
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#define WFQ_HASH_SRCPORT 1 /* hash by src port */
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#define WFQ_HASH_FULL 2 /* hash by all fields */
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#define WFQ_IF_ATTACH _IOW('Q', 1, struct wfq_interface)
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#define WFQ_IF_DETACH _IOW('Q', 2, struct wfq_interface)
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#define WFQ_ENABLE _IOW('Q', 3, struct wfq_interface)
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#define WFQ_DISABLE _IOW('Q', 4, struct wfq_interface)
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#define WFQ_CONFIG _IOWR('Q', 6, struct wfq_conf)
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#define WFQ_GET_STATS _IOWR('Q', 12, struct wfq_getstats)
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#define WFQ_GET_QID _IOWR('Q', 30, struct wfq_getqid)
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#define WFQ_SET_WEIGHT _IOWR('Q', 31, struct wfq_setweight)
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#ifdef _KERNEL
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#define HWM (64 * 1024)
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#define WFQ_QUOTA 512 /* quota bytes to send at a time */
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#define WFQ_ADDQUOTA(q) ((q)->quota += WFQ_QUOTA * (q)->weight / 100)
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#define ENABLE 0
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#define DISABLE 1
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typedef struct weighted_fair_queue{
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struct weighted_fair_queue *next, *prev;
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struct mbuf *head, *tail;
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int bytes; /* bytes in this queue */
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int quota; /* bytes sent in this round */
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int weight; /* weight in percent */
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struct pktcntr xmit_cnt;
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struct pktcntr drop_cnt;
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} wfq;
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typedef struct wfqstate {
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struct wfqstate *next; /* for wfqstate list */
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struct ifaltq *ifq;
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int nums; /* number of queues */
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int hwm; /* high water mark */
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int bytes; /* total bytes in all the queues */
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wfq *rrp; /* round robin pointer */
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wfq *queue; /* pointer to queue list */
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#ifdef ALTQ3_CLFIER_COMPAT
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u_long (*hash_func)(struct flowinfo *, int);
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#endif
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u_int32_t fbmask; /* filter bitmask */
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} wfq_state_t;
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#endif /* _KERNEL */
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#endif /* _ALTQ_ALTQ_WFQ_H */
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