2009-07-05 18:17:37 +00:00
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/*-
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2017-11-27 15:23:17 +00:00
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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2009-07-05 18:17:37 +00:00
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* Copyright (c) 2009 Sam Leffler, Errno Consulting
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* 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 THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NET80211_IEEE80211_STAGEQ_H_
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#define _NET80211_IEEE80211_STAGEQ_H_
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struct ieee80211_node;
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struct mbuf;
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struct ieee80211_ageq {
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ieee80211_ageq_lock_t aq_lock;
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int aq_len; /* # items on queue */
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int aq_maxlen; /* max queue length */
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int aq_drops; /* frames dropped */
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struct mbuf *aq_head; /* frames linked w/ m_nextpkt */
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struct mbuf *aq_tail; /* last frame in queue */
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};
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void ieee80211_ageq_init(struct ieee80211_ageq *, int maxlen,
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const char *name);
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void ieee80211_ageq_cleanup(struct ieee80211_ageq *);
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void ieee80211_ageq_mfree(struct mbuf *);
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int ieee80211_ageq_append(struct ieee80211_ageq *, struct mbuf *,
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int age);
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void ieee80211_ageq_drain(struct ieee80211_ageq *);
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void ieee80211_ageq_drain_node(struct ieee80211_ageq *,
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struct ieee80211_node *);
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struct mbuf *ieee80211_ageq_age(struct ieee80211_ageq *, int quanta);
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struct mbuf *ieee80211_ageq_remove(struct ieee80211_ageq *,
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struct ieee80211_node *match);
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#endif /* _NET80211_IEEE80211_STAGEQ_H_ */
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