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/*-
* Copyright (c) 2009 Sam Leffler, Errno Consulting
* 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 THE AUTHOR ``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 THE AUTHOR 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.
*
* $FreeBSD: release/9.1.0/sys/net80211/ieee80211_ageq.h 195379 2009-07-05 18:17:37Z sam $
*/
#ifndef _NET80211_IEEE80211_STAGEQ_H_
#define _NET80211_IEEE80211_STAGEQ_H_
struct ieee80211_node;
struct mbuf;
struct ieee80211_ageq {
ieee80211_ageq_lock_t aq_lock;
int aq_len; /* # items on queue */
int aq_maxlen; /* max queue length */
int aq_drops; /* frames dropped */
struct mbuf *aq_head; /* frames linked w/ m_nextpkt */
struct mbuf *aq_tail; /* last frame in queue */
};
void ieee80211_ageq_init(struct ieee80211_ageq *, int maxlen,
const char *name);
void ieee80211_ageq_cleanup(struct ieee80211_ageq *);
void ieee80211_ageq_mfree(struct mbuf *);
int ieee80211_ageq_append(struct ieee80211_ageq *, struct mbuf *,
int age);
void ieee80211_ageq_drain(struct ieee80211_ageq *);
void ieee80211_ageq_drain_node(struct ieee80211_ageq *,
struct ieee80211_node *);
struct mbuf *ieee80211_ageq_age(struct ieee80211_ageq *, int quanta);
struct mbuf *ieee80211_ageq_remove(struct ieee80211_ageq *,
struct ieee80211_node *match);
#endif /* _NET80211_IEEE80211_STAGEQ_H_ */