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 | |