3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #ifndef _RT2870_AMRR_H_
20 #define _RT2870_AMRR_H_
22 #define RT2870_AMRR_MIN_SUCCESS_THRESHOLD 1
23 #define RT2870_AMRR_MAX_SUCCESS_THRESHOLD 15
29 unsigned int min_success_threshold
;
30 unsigned int max_success_threshold
;
35 struct rt2870_amrr_node
37 struct rt2870_amrr
*amrr
;
45 unsigned int success_threshold
;
46 unsigned int recovery
;
47 unsigned int retrycnt
;
50 void rt2870_amrr_init(struct rt2870_amrr
*amrr
, struct ieee80211vap
*vap
,
51 int ntxpath
, int min_success_threshold
, int max_success_threshold
, int msecs
);
53 void rt2870_amrr_cleanup(struct rt2870_amrr
*amrr
);
55 void rt2870_amrr_node_init(struct rt2870_amrr
*amrr
,
56 struct rt2870_amrr_node
*amrr_node
, struct ieee80211_node
*ni
);
58 int rt2870_amrr_choose(struct ieee80211_node
*ni
,
59 struct rt2870_amrr_node
*amrr_node
);
61 static __inline
void rt2870_amrr_tx_complete(struct rt2870_amrr_node
*amrr_node
,
69 amrr_node
->retrycnt
+= retries
;
72 static __inline
void rt2870_amrr_tx_update(struct rt2870_amrr_node
*amrr_node
,
73 int txcnt
, int success
, int retrycnt
)
75 amrr_node
->txcnt
= txcnt
;
76 amrr_node
->success
= success
;
77 amrr_node
->retrycnt
= retrycnt
;
80 #endif /* #ifndef _RT2870_AMRR_H_ */