ieee80211_amrr.h

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    1 /*      $OpenBSD: ieee80211_amrr.h,v 1.4 2007/06/16 13:17:05 damien Exp $       */
    2 
    3 /*-
    4  * Copyright (c) 2006
    5  *      Damien Bergamini <damien.bergamini@free.fr>
    6  *
    7  * Permission to use, copy, modify, and distribute this software for any
    8  * purpose with or without fee is hereby granted, provided that the above
    9  * copyright notice and this permission notice appear in all copies.
   10  *
   11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   18  */
   19 #ifndef _NET80211_IEEE80211_AMRR_H_
   20 #define _NET80211_IEEE80211_AMRR_H_
   21 
   22 /*-
   23  * Naive implementation of the Adaptive Multi Rate Retry algorithm:
   24  *
   25  * "IEEE 802.11 Rate Adaptation: A Practical Approach"
   26  *  Mathieu Lacage, Hossein Manshaei, Thierry Turletti
   27  *  INRIA Sophia - Projet Planete
   28  *  http://www-sop.inria.fr/rapports/sophia/RR-5208.html
   29  */
   30 
   31 /*
   32  * Rate control settings.
   33  */
   34 struct ieee80211_amrr {
   35         u_int   amrr_min_success_threshold;
   36         u_int   amrr_max_success_threshold;
   37 };
   38 
   39 #define IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD     1
   40 #define IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD    15
   41 
   42 /*
   43  * Rate control state for a given node.
   44  */
   45 struct ieee80211_amrr_node {
   46         u_int   amn_success;
   47         u_int   amn_recovery;
   48         u_int   amn_success_threshold;
   49         u_int   amn_txcnt;
   50         u_int   amn_retrycnt;
   51 };
   52 
   53 void    ieee80211_amrr_node_init(const struct ieee80211_amrr *,
   54             struct ieee80211_amrr_node *);
   55 void    ieee80211_amrr_choose(struct ieee80211_amrr *, struct ieee80211_node *,
   56             struct ieee80211_amrr_node *);
   57 
   58 #endif /* _NET80211_IEEE80211_AMRR_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/net80211/ieee80211_amrr.h

FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_amrr.h