diff options
Diffstat (limited to 'sys/net80211/ieee80211_amrr.h')
| -rw-r--r-- | sys/net80211/ieee80211_amrr.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/sys/net80211/ieee80211_amrr.h b/sys/net80211/ieee80211_amrr.h new file mode 100644 index 00000000000..5e49b3e9249 --- /dev/null +++ b/sys/net80211/ieee80211_amrr.h @@ -0,0 +1,54 @@ +/* $OpenBSD: ieee80211_amrr.h,v 1.1 2006/06/17 19:07:19 damien 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. + */ + +/*- + * 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 { + int amrr_min_success_threshold; + 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 { + int amn_success; + int amn_recovery; + int amn_success_threshold; + int amn_txcnt; + 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 *); |