2 * Copyright (c) 2006 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Sepherosa Ziehau <sepherosa@gmail.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/sys/netproto/802_11/ieee80211_ratectl.h,v 1.3 2006/10/24 14:39:44 sephe Exp $
37 #ifndef _NET80211_IEEE80211_RATECTL_H
38 #define _NET80211_IEEE80211_RATECTL_H
40 struct ieee80211_ratectl_stats;
42 struct ieee80211_ratectl_state {
45 u_int rc_st_ratectl; /* see IEEE80211_RATECTL_ */
46 uint32_t rc_st_ratectl_cap; /* see IEEE80211_RATECTL_CAP_ */
47 uint64_t rc_st_valid_stats; /* see IEEE80211_RATECTL_STATS_ */
48 void (*rc_st_change)(struct ieee80211com *, u_int, u_int);
49 void (*rc_st_stats)(struct ieee80211com *,
50 struct ieee80211_node *,
51 struct ieee80211_ratectl_stats *);
54 struct ieee80211_ratectl_res {
59 #define IEEE80211_RATECTL_STATS_RES 0x1
60 #define IEEE80211_RATECTL_STATS_PKT_NORETRY 0x2
61 #define IEEE80211_RATECTL_STATS_PKT_OK 0x4
62 #define IEEE80211_RATECTL_STATS_PKT_ERR 0x8
63 #define IEEE80211_RATECTL_STATS_RETRIES 0x10
65 #define IEEE80211_RATEIDX_MAX 5
67 struct ieee80211_ratectl_stats {
68 struct ieee80211_ratectl_res stats_res[IEEE80211_RATEIDX_MAX];
70 int stats_pkt_noretry;
73 int stats_short_retries;
74 int stats_long_retries;
77 struct ieee80211_ratectl {
79 u_int rc_ratectl; /* see IEEE80211_RATECTL_ */
81 void *(*rc_attach)(struct ieee80211com *);
82 void (*rc_detach)(void *);
84 void (*rc_data_alloc)(struct ieee80211_node *);
85 void (*rc_data_free)(struct ieee80211_node *);
86 void (*rc_data_dup)(const struct ieee80211_node *,
87 struct ieee80211_node *);
89 void (*rc_newstate)(void *, enum ieee80211_state);
90 void (*rc_tx_complete)(void *, struct ieee80211_node *, int,
91 const struct ieee80211_ratectl_res[],
93 void (*rc_newassoc)(void *, struct ieee80211_node *, int);
94 int (*rc_findrate)(void *, struct ieee80211_node *, int,
98 #define IEEE80211_RATECTL_NONE 0
99 #define IEEE80211_RATECTL_ONOE 1
100 #define IEEE80211_RATECTL_AMRR 2
101 #define IEEE80211_RATECTL_MAX 3
103 #define IEEE80211_RATECTL_CAP(v) (1 << (v))
105 #define _IEEE80211_RATECTL_CAP(n) \
106 IEEE80211_RATECTL_CAP(IEEE80211_RATECTL_##n)
108 #define IEEE80211_RATECTL_CAP_NONE _IEEE80211_RATECTL_CAP(NONE)
109 #define IEEE80211_RATECTL_CAP_ONOE _IEEE80211_RATECTL_CAP(ONOE)
110 #define IEEE80211_RATECTL_CAP_AMRR _IEEE80211_RATECTL_CAP(AMRR)
112 extern const struct ieee80211_ratectl ieee80211_ratectl_none;
114 void ieee80211_ratectl_attach(struct ieee80211com *);
115 void ieee80211_ratectl_detach(struct ieee80211com *);
117 void ieee80211_ratectl_register(const struct ieee80211_ratectl *);
118 void ieee80211_ratectl_unregister(const struct ieee80211_ratectl *);
120 int ieee80211_ratectl_change(struct ieee80211com *, u_int);
122 void ieee80211_ratectl_data_alloc(struct ieee80211_node *);
123 void ieee80211_ratectl_data_dup(const struct ieee80211_node *,
124 struct ieee80211_node *);
125 void ieee80211_ratectl_data_free(struct ieee80211_node *);
127 void ieee80211_ratectl_newstate(struct ieee80211com *,
128 enum ieee80211_state);
129 void ieee80211_ratectl_tx_complete(struct ieee80211_node *, int,
130 const struct ieee80211_ratectl_res[],
132 void ieee80211_ratectl_newassoc(struct ieee80211_node *, int);
133 int ieee80211_ratectl_findrate(struct ieee80211_node *, int, int[], int);
135 #endif /* !_NET80211_IEEE80211_RATECTL_H */