ieee80211_amrr.h revision 164633
1164633Ssam/* $FreeBSD: head/sys/net80211/ieee80211_amrr.h 164633 2006-11-26 19:55:26Z sam $ */ 2164633Ssam/* $OpenBSD: ieee80211_amrr.h,v 1.3 2006/06/17 19:34:31 damien Exp $ */ 3164633Ssam 4164633Ssam/*- 5164633Ssam * Copyright (c) 2006 6164633Ssam * Damien Bergamini <damien.bergamini@free.fr> 7164633Ssam * 8164633Ssam * Permission to use, copy, modify, and distribute this software for any 9164633Ssam * purpose with or without fee is hereby granted, provided that the above 10164633Ssam * copyright notice and this permission notice appear in all copies. 11164633Ssam * 12164633Ssam * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13164633Ssam * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14164633Ssam * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15164633Ssam * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16164633Ssam * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17164633Ssam * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18164633Ssam * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19164633Ssam */ 20164633Ssam#ifndef _NET80211_IEEE80211_AMRR_H_ 21164633Ssam#define _NET80211_IEEE80211_AMRR_H_ 22164633Ssam 23164633Ssam/*- 24164633Ssam * Naive implementation of the Adaptive Multi Rate Retry algorithm: 25164633Ssam * 26164633Ssam * "IEEE 802.11 Rate Adaptation: A Practical Approach" 27164633Ssam * Mathieu Lacage, Hossein Manshaei, Thierry Turletti 28164633Ssam * INRIA Sophia - Projet Planete 29164633Ssam * http://www-sop.inria.fr/rapports/sophia/RR-5208.html 30164633Ssam */ 31164633Ssam 32164633Ssam/* 33164633Ssam * Rate control settings. 34164633Ssam */ 35164633Ssamstruct ieee80211com; 36164633Ssam 37164633Ssamstruct ieee80211_amrr { 38164633Ssam u_int amrr_min_success_threshold; 39164633Ssam u_int amrr_max_success_threshold; 40164633Ssam struct ieee80211com *amrr_ic; 41164633Ssam}; 42164633Ssam 43164633Ssam#define IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD 1 44164633Ssam#define IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD 15 45164633Ssam 46164633Ssam/* 47164633Ssam * Rate control state for a given node. 48164633Ssam */ 49164633Ssamstruct ieee80211_amrr_node { 50164633Ssam u_int amn_success; 51164633Ssam u_int amn_recovery; 52164633Ssam u_int amn_success_threshold; 53164633Ssam u_int amn_txcnt; 54164633Ssam u_int amn_retrycnt; 55164633Ssam}; 56164633Ssam 57164633Ssamvoid ieee80211_amrr_init(struct ieee80211_amrr *, 58164633Ssam struct ieee80211com *ic, int, int); 59164633Ssamvoid ieee80211_amrr_node_init(struct ieee80211_amrr *, 60164633Ssam struct ieee80211_amrr_node *); 61164633Ssamvoid ieee80211_amrr_choose(struct ieee80211_amrr *, struct ieee80211_node *, 62164633Ssam struct ieee80211_amrr_node *); 63164633Ssam 64164633Ssam#endif /* _NET80211_IEEE80211_AMRR_H_ */ 65