Annotation of sys/net80211/ieee80211_amrr.h, Revision 1.1.1.1
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_ */
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