| 1 | /* $OpenBSD: ieee80211_amrr.h,v 1.3 2006/06/17 19:34:31 damien Exp $ */ |
| 2 | /* $NetBSD: ieee80211_amrr.h,v 1.1 2006/10/31 21:53:41 joerg Exp $ */ |
| 3 | |
| 4 | /*- |
| 5 | * Copyright (c) 2006 |
| 6 | * Damien Bergamini <damien.bergamini@free.fr> |
| 7 | * |
| 8 | * Permission to use, copy, modify, and distribute this software for any |
| 9 | * purpose with or without fee is hereby granted, provided that the above |
| 10 | * copyright notice and this permission notice appear in all copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 13 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 14 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 15 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 16 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 17 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 18 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 19 | */ |
| 20 | #ifndef _NET80211_IEEE80211_AMRR_H_ |
| 21 | #define _NET80211_IEEE80211_AMRR_H_ |
| 22 | |
| 23 | /*- |
| 24 | * Naive implementation of the Adaptive Multi Rate Retry algorithm: |
| 25 | * |
| 26 | * "IEEE 802.11 Rate Adaptation: A Practical Approach" |
| 27 | * Mathieu Lacage, Hossein Manshaei, Thierry Turletti |
| 28 | * INRIA Sophia - Projet Planete |
| 29 | * http://www-sop.inria.fr/rapports/sophia/RR-5208.html |
| 30 | */ |
| 31 | |
| 32 | /* |
| 33 | * Rate control settings. |
| 34 | */ |
| 35 | struct ieee80211_amrr { |
| 36 | u_int amrr_min_success_threshold; |
| 37 | u_int amrr_max_success_threshold; |
| 38 | }; |
| 39 | |
| 40 | #define IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD 1 |
| 41 | #define IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD 15 |
| 42 | |
| 43 | /* |
| 44 | * Rate control state for a given node. |
| 45 | */ |
| 46 | struct ieee80211_amrr_node { |
| 47 | u_int amn_success; |
| 48 | u_int amn_recovery; |
| 49 | u_int amn_success_threshold; |
| 50 | u_int amn_txcnt; |
| 51 | u_int amn_retrycnt; |
| 52 | }; |
| 53 | |
| 54 | void ieee80211_amrr_node_init(struct ieee80211_amrr *, |
| 55 | struct ieee80211_amrr_node *); |
| 56 | void ieee80211_amrr_choose(struct ieee80211_amrr *, struct ieee80211_node *, |
| 57 | struct ieee80211_amrr_node *); |
| 58 | |
| 59 | #endif /* _NET80211_IEEE80211_AMRR_H_ */ |
| 60 | |