1 /*-
2 * Copyright (c) 2010 Rui Paulo <rpaulo@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD: releng/11.0/sys/net80211/ieee80211_ratectl.h 296925 2016-03-16 02:07:04Z adrian $
26 */
27
28 enum ieee80211_ratealgs {
29 IEEE80211_RATECTL_AMRR = 0,
30 IEEE80211_RATECTL_RSSADAPT = 1,
31 IEEE80211_RATECTL_ONOE = 2,
32 IEEE80211_RATECTL_SAMPLE = 3,
33 IEEE80211_RATECTL_NONE = 4,
34 IEEE80211_RATECTL_MAX
35 };
36
37 #define IEEE80211_RATECTL_TX_SUCCESS 1
38 #define IEEE80211_RATECTL_TX_FAILURE 0
39
40 struct ieee80211_ratectl {
41 const char *ir_name;
42 int (*ir_attach)(const struct ieee80211vap *);
43 void (*ir_detach)(const struct ieee80211vap *);
44 void (*ir_init)(struct ieee80211vap *);
45 void (*ir_deinit)(struct ieee80211vap *);
46 void (*ir_node_init)(struct ieee80211_node *);
47 void (*ir_node_deinit)(struct ieee80211_node *);
48 int (*ir_rate)(struct ieee80211_node *, void *, uint32_t);
49 void (*ir_tx_complete)(const struct ieee80211vap *,
50 const struct ieee80211_node *, int,
51 void *, void *);
52 void (*ir_tx_update)(const struct ieee80211vap *,
53 const struct ieee80211_node *,
54 void *, void *, void *);
55 void (*ir_setinterval)(const struct ieee80211vap *, int);
56 void (*ir_node_stats)(struct ieee80211_node *ni, struct sbuf *s);
57 };
58
59 void ieee80211_ratectl_register(int, const struct ieee80211_ratectl *);
60 void ieee80211_ratectl_unregister(int);
61 void ieee80211_ratectl_init(struct ieee80211vap *);
62 void ieee80211_ratectl_set(struct ieee80211vap *, int);
63
64 MALLOC_DECLARE(M_80211_RATECTL);
65
66 static __inline void
67 ieee80211_ratectl_deinit(struct ieee80211vap *vap)
68 {
69 vap->iv_rate->ir_deinit(vap);
70 }
71
72 static __inline void
73 ieee80211_ratectl_node_init(struct ieee80211_node *ni)
74 {
75 const struct ieee80211vap *vap = ni->ni_vap;
76
77 vap->iv_rate->ir_node_init(ni);
78 }
79
80 static __inline void
81 ieee80211_ratectl_node_deinit(struct ieee80211_node *ni)
82 {
83 const struct ieee80211vap *vap = ni->ni_vap;
84
85 vap->iv_rate->ir_node_deinit(ni);
86 }
87
88 static int __inline
89 ieee80211_ratectl_rate(struct ieee80211_node *ni, void *arg, uint32_t iarg)
90 {
91 const struct ieee80211vap *vap = ni->ni_vap;
92
93 return vap->iv_rate->ir_rate(ni, arg, iarg);
94 }
95
96 static __inline void
97 ieee80211_ratectl_tx_complete(const struct ieee80211vap *vap,
98 const struct ieee80211_node *ni, int status, void *arg1, void *arg2)
99 {
100 vap->iv_rate->ir_tx_complete(vap, ni, status, arg1, arg2);
101 }
102
103 static __inline void
104 ieee80211_ratectl_tx_update(const struct ieee80211vap *vap,
105 const struct ieee80211_node *ni, void *arg1, void *arg2, void *arg3)
106 {
107 if (vap->iv_rate->ir_tx_update == NULL)
108 return;
109 vap->iv_rate->ir_tx_update(vap, ni, arg1, arg2, arg3);
110 }
111
112 static __inline void
113 ieee80211_ratectl_setinterval(const struct ieee80211vap *vap, int msecs)
114 {
115 if (vap->iv_rate->ir_setinterval == NULL)
116 return;
117 vap->iv_rate->ir_setinterval(vap, msecs);
118 }
119
120 static __inline void
121 ieee80211_ratectl_node_stats(struct ieee80211_node *ni, struct sbuf *s)
122 {
123 const struct ieee80211vap *vap = ni->ni_vap;
124
125 if (vap->iv_rate->ir_node_stats == NULL)
126 return;
127 vap->iv_rate->ir_node_stats(ni, s);
128 }
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