130 lines
4.1 KiB
C
130 lines
4.1 KiB
C
/*-
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* Copyright (c) 2010 Rui Paulo <rpaulo@FreeBSD.org>
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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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enum ieee80211_ratealgs {
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IEEE80211_RATECTL_AMRR = 0,
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IEEE80211_RATECTL_RSSADAPT = 1,
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IEEE80211_RATECTL_ONOE = 2,
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IEEE80211_RATECTL_SAMPLE = 3,
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IEEE80211_RATECTL_MAX
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};
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#define IEEE80211_RATECTL_TX_SUCCESS 1
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#define IEEE80211_RATECTL_TX_FAILURE 0
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struct ieee80211_ratectl {
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const char *ir_name;
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int (*ir_attach)(const struct ieee80211vap *);
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void (*ir_detach)(const struct ieee80211vap *);
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void (*ir_init)(struct ieee80211vap *);
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void (*ir_deinit)(struct ieee80211vap *);
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void (*ir_node_init)(struct ieee80211_node *);
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void (*ir_node_deinit)(struct ieee80211_node *);
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int (*ir_rate)(struct ieee80211_node *, void *, uint32_t);
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void (*ir_tx_complete)(const struct ieee80211vap *,
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const struct ieee80211_node *, int,
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void *, void *);
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void (*ir_tx_update)(const struct ieee80211vap *,
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const struct ieee80211_node *,
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void *, void *, void *);
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void (*ir_setinterval)(const struct ieee80211vap *, int);
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};
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void ieee80211_ratectl_register(int, const struct ieee80211_ratectl *);
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void ieee80211_ratectl_unregister(int);
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void ieee80211_ratectl_set(struct ieee80211vap *, int);
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MALLOC_DECLARE(M_80211_RATECTL);
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static void __inline
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ieee80211_ratectl_init(struct ieee80211vap *vap)
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{
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vap->iv_rate->ir_init(vap);
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}
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static void __inline
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ieee80211_ratectl_deinit(struct ieee80211vap *vap)
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{
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vap->iv_rate->ir_deinit(vap);
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}
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static void __inline
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ieee80211_ratectl_node_init(struct ieee80211_node *ni)
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{
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const struct ieee80211vap *vap = ni->ni_vap;
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vap->iv_rate->ir_node_init(ni);
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}
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static void __inline
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ieee80211_ratectl_node_deinit(struct ieee80211_node *ni)
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{
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const struct ieee80211vap *vap = ni->ni_vap;
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if (ni->ni_rctls == NULL) /* ratectl not setup */
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return;
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vap->iv_rate->ir_node_deinit(ni);
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}
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static int __inline
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ieee80211_ratectl_rate(struct ieee80211_node *ni, void *arg, uint32_t iarg)
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{
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const struct ieee80211vap *vap = ni->ni_vap;
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if (ni->ni_rctls == NULL) /* ratectl not setup */
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return 0;
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return vap->iv_rate->ir_rate(ni, arg, iarg);
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}
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static void __inline
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ieee80211_ratectl_tx_complete(const struct ieee80211vap *vap,
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const struct ieee80211_node *ni, int status, void *arg1, void *arg2)
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{
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if (ni->ni_rctls == NULL) /* ratectl not setup */
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return;
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vap->iv_rate->ir_tx_complete(vap, ni, status, arg1, arg2);
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}
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static void __inline
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ieee80211_ratectl_tx_update(const struct ieee80211vap *vap,
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const struct ieee80211_node *ni, void *arg1, void *arg2, void *arg3)
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{
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if (vap->iv_rate->ir_tx_update == NULL)
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return;
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if (ni->ni_rctls == NULL) /* ratectl not setup */
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return;
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vap->iv_rate->ir_tx_update(vap, ni, arg1, arg2, arg3);
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}
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static void __inline
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ieee80211_ratectl_setinterval(const struct ieee80211vap *vap, int msecs)
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{
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if (vap->iv_rate->ir_setinterval == NULL)
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return;
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vap->iv_rate->ir_setinterval(vap, msecs);
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}
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