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Annotation of sys/net80211/ieee80211_amrr.h, Revision 1.1

1.1     ! nbrk        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_ */