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f0706e82 JB |
1 | /* |
2 | * Copyright 2002-2005, Instant802 Networks, Inc. | |
3 | * Copyright 2005, Devicescape Software, Inc. | |
4 | * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #ifndef IEEE80211_RATE_H | |
12 | #define IEEE80211_RATE_H | |
13 | ||
14 | #include <linux/netdevice.h> | |
15 | #include <linux/skbuff.h> | |
16 | #include <linux/types.h> | |
17 | #include <net/mac80211.h> | |
18 | #include "ieee80211_i.h" | |
19 | #include "sta_info.h" | |
20 | ||
f0706e82 | 21 | struct rate_control_ref { |
4b7679a5 | 22 | struct ieee80211_local *local; |
f0706e82 JB |
23 | struct rate_control_ops *ops; |
24 | void *priv; | |
f0706e82 JB |
25 | }; |
26 | ||
4b7679a5 | 27 | void rate_control_get_rate(struct ieee80211_sub_if_data *sdata, |
e6a9854b JB |
28 | struct sta_info *sta, |
29 | struct ieee80211_tx_rate_control *txrc); | |
f0706e82 | 30 | |
4b7679a5 JB |
31 | static inline void rate_control_tx_status(struct ieee80211_local *local, |
32 | struct ieee80211_supported_band *sband, | |
33 | struct sta_info *sta, | |
e039fa4a | 34 | struct sk_buff *skb) |
f0706e82 JB |
35 | { |
36 | struct rate_control_ref *ref = local->rate_ctrl; | |
4b7679a5 JB |
37 | struct ieee80211_sta *ista = &sta->sta; |
38 | void *priv_sta = sta->rate_ctrl_priv; | |
3c384053 V |
39 | |
40 | if (!ref) | |
41 | return; | |
42 | ||
37eb0b16 | 43 | ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb); |
f0706e82 JB |
44 | } |
45 | ||
46 | ||
4b7679a5 | 47 | static inline void rate_control_rate_init(struct sta_info *sta) |
f0706e82 | 48 | { |
4b7679a5 | 49 | struct ieee80211_local *local = sta->sdata->local; |
f0706e82 | 50 | struct rate_control_ref *ref = sta->rate_ctrl; |
4b7679a5 JB |
51 | struct ieee80211_sta *ista = &sta->sta; |
52 | void *priv_sta = sta->rate_ctrl_priv; | |
53 | struct ieee80211_supported_band *sband; | |
54 | ||
af65cd96 JB |
55 | if (!ref) |
56 | return; | |
57 | ||
4b7679a5 JB |
58 | sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; |
59 | ||
60 | ref->ops->rate_init(ref->priv, sband, ista, priv_sta); | |
e1936e94 | 61 | set_sta_flag(sta, WLAN_STA_RATE_CONTROL); |
f0706e82 JB |
62 | } |
63 | ||
81cb7623 S |
64 | static inline void rate_control_rate_update(struct ieee80211_local *local, |
65 | struct ieee80211_supported_band *sband, | |
4fa00437 S |
66 | struct sta_info *sta, u32 changed, |
67 | enum nl80211_channel_type oper_chan_type) | |
81cb7623 S |
68 | { |
69 | struct rate_control_ref *ref = local->rate_ctrl; | |
70 | struct ieee80211_sta *ista = &sta->sta; | |
71 | void *priv_sta = sta->rate_ctrl_priv; | |
72 | ||
af65cd96 | 73 | if (ref && ref->ops->rate_update) |
81cb7623 | 74 | ref->ops->rate_update(ref->priv, sband, ista, |
4fa00437 | 75 | priv_sta, changed, oper_chan_type); |
81cb7623 | 76 | } |
f0706e82 | 77 | |
f0706e82 | 78 | static inline void *rate_control_alloc_sta(struct rate_control_ref *ref, |
4b7679a5 | 79 | struct ieee80211_sta *sta, |
f0706e82 JB |
80 | gfp_t gfp) |
81 | { | |
4b7679a5 | 82 | return ref->ops->alloc_sta(ref->priv, sta, gfp); |
f0706e82 JB |
83 | } |
84 | ||
4b7679a5 | 85 | static inline void rate_control_free_sta(struct sta_info *sta) |
f0706e82 | 86 | { |
4b7679a5 JB |
87 | struct rate_control_ref *ref = sta->rate_ctrl; |
88 | struct ieee80211_sta *ista = &sta->sta; | |
89 | void *priv_sta = sta->rate_ctrl_priv; | |
90 | ||
91 | ref->ops->free_sta(ref->priv, ista, priv_sta); | |
f0706e82 JB |
92 | } |
93 | ||
e9f207f0 JB |
94 | static inline void rate_control_add_sta_debugfs(struct sta_info *sta) |
95 | { | |
96 | #ifdef CONFIG_MAC80211_DEBUGFS | |
97 | struct rate_control_ref *ref = sta->rate_ctrl; | |
af65cd96 | 98 | if (ref && sta->debugfs.dir && ref->ops->add_sta_debugfs) |
e9f207f0 JB |
99 | ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv, |
100 | sta->debugfs.dir); | |
101 | #endif | |
102 | } | |
103 | ||
104 | static inline void rate_control_remove_sta_debugfs(struct sta_info *sta) | |
105 | { | |
106 | #ifdef CONFIG_MAC80211_DEBUGFS | |
107 | struct rate_control_ref *ref = sta->rate_ctrl; | |
af65cd96 | 108 | if (ref && ref->ops->remove_sta_debugfs) |
e9f207f0 JB |
109 | ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv); |
110 | #endif | |
111 | } | |
112 | ||
209c671d AS |
113 | /* Get a reference to the rate control algorithm. If `name' is NULL, get the |
114 | * first available algorithm. */ | |
ff688089 JB |
115 | int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, |
116 | const char *name); | |
117 | void rate_control_deinitialize(struct ieee80211_local *local); | |
118 | ||
4b475898 JB |
119 | |
120 | /* Rate control algorithms */ | |
e5f5e733 | 121 | #ifdef CONFIG_MAC80211_RC_PID |
4b475898 JB |
122 | extern int rc80211_pid_init(void); |
123 | extern void rc80211_pid_exit(void); | |
124 | #else | |
125 | static inline int rc80211_pid_init(void) | |
126 | { | |
127 | return 0; | |
128 | } | |
129 | static inline void rc80211_pid_exit(void) | |
130 | { | |
131 | } | |
132 | #endif | |
133 | ||
cccf129f FF |
134 | #ifdef CONFIG_MAC80211_RC_MINSTREL |
135 | extern int rc80211_minstrel_init(void); | |
136 | extern void rc80211_minstrel_exit(void); | |
137 | #else | |
138 | static inline int rc80211_minstrel_init(void) | |
139 | { | |
140 | return 0; | |
141 | } | |
142 | static inline void rc80211_minstrel_exit(void) | |
143 | { | |
144 | } | |
145 | #endif | |
146 | ||
ec8aa669 FF |
147 | #ifdef CONFIG_MAC80211_RC_MINSTREL_HT |
148 | extern int rc80211_minstrel_ht_init(void); | |
149 | extern void rc80211_minstrel_ht_exit(void); | |
150 | #else | |
151 | static inline int rc80211_minstrel_ht_init(void) | |
152 | { | |
153 | return 0; | |
154 | } | |
155 | static inline void rc80211_minstrel_ht_exit(void) | |
156 | { | |
157 | } | |
158 | #endif | |
159 | ||
cccf129f | 160 | |
f0706e82 | 161 | #endif /* IEEE80211_RATE_H */ |