83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
/* $NetBSD: altq_fifoq.h,v 1.4 2004/06/22 12:45:57 itojun Exp $ */
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/* $KAME: altq_fifoq.h,v 1.6 2000/12/14 08:12:45 thorpej Exp $ */
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/*
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* Copyright (C) 1997-2000
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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_FIFOQ_H_
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#define _ALTQ_ALTQ_FIFOQ_H_
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#ifdef _KERNEL
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typedef struct fifoq_state {
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struct fifoq_state *q_next; /* next fifoq_state in the list */
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struct ifaltq *q_ifq; /* backpointer to ifaltq */
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struct mbuf *q_head; /* head of queue */
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struct mbuf *q_tail; /* tail of queue */
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int q_len; /* queue length */
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int q_limit; /* max queue length */
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/* statistics */
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struct {
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struct pktcntr xmit_cnt;
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struct pktcntr drop_cnt;
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u_int period;
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} q_stats;
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} fifoq_state_t;
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#endif
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struct fifoq_interface {
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char fifoq_ifname[IFNAMSIZ];
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};
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struct fifoq_getstats {
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struct fifoq_interface iface;
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int q_len;
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int q_limit;
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struct pktcntr xmit_cnt;
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struct pktcntr drop_cnt;
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u_int period;
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};
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struct fifoq_conf {
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struct fifoq_interface iface;
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int fifoq_limit;
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};
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#define FIFOQ_LIMIT 50 /* default max queue length */
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/*
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* IOCTLs for FIFOQ
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*/
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#define FIFOQ_IF_ATTACH _IOW('Q', 1, struct fifoq_interface)
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#define FIFOQ_IF_DETACH _IOW('Q', 2, struct fifoq_interface)
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#define FIFOQ_ENABLE _IOW('Q', 3, struct fifoq_interface)
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#define FIFOQ_DISABLE _IOW('Q', 4, struct fifoq_interface)
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#define FIFOQ_CONFIG _IOWR('Q', 6, struct fifoq_conf)
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#define FIFOQ_GETSTATS _IOWR('Q', 12, struct fifoq_getstats)
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#endif /* _ALTQ_ALTQ_FIFOQ_H_ */
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