/* $OpenBSD: ieee80211_amrr.h,v 1.3 2006/06/17 19:34:31 damien Exp $ */ /* $NetBSD: ieee80211_amrr.h,v 1.1 2006/10/31 21:53:41 joerg Exp $ */ /*- * Copyright (c) 2006 * Damien Bergamini <damien.bergamini@free.fr> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _NET80211_IEEE80211_AMRR_H_ #define _NET80211_IEEE80211_AMRR_H_ /*- * Naive implementation of the Adaptive Multi Rate Retry algorithm: * * "IEEE 802.11 Rate Adaptation: A Practical Approach" * Mathieu Lacage, Hossein Manshaei, Thierry Turletti * INRIA Sophia - Projet Planete * http://www-sop.inria.fr/rapports/sophia/RR-5208.html */ /* * Rate control settings. */ struct ieee80211_amrr { u_int amrr_min_success_threshold; u_int amrr_max_success_threshold; }; #define IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD 1 #define IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD 15 /* * Rate control state for a given node. */ struct ieee80211_amrr_node { u_int amn_success; u_int amn_recovery; u_int amn_success_threshold; u_int amn_txcnt; u_int amn_retrycnt; }; void ieee80211_amrr_node_init(struct ieee80211_amrr *, struct ieee80211_amrr_node *); void ieee80211_amrr_choose(struct ieee80211_amrr *, struct ieee80211_node *, struct ieee80211_amrr_node *); #endif /* _NET80211_IEEE80211_AMRR_H_ */ |