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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" | |
8f727ef3 | 20 | #include "driver-ops.h" |
f0706e82 | 21 | |
f0706e82 | 22 | struct rate_control_ref { |
631ad703 | 23 | const struct rate_control_ops *ops; |
f0706e82 | 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 | |
18fb84d9 FF |
31 | void rate_control_tx_status(struct ieee80211_local *local, |
32 | struct ieee80211_supported_band *sband, | |
33 | struct ieee80211_tx_status *st); | |
f0706e82 | 34 | |
eb6d9293 DV |
35 | void rate_control_rate_init(struct sta_info *sta); |
36 | void rate_control_rate_update(struct ieee80211_local *local, | |
81cb7623 | 37 | struct ieee80211_supported_band *sband, |
eb6d9293 | 38 | struct sta_info *sta, u32 changed); |
f0706e82 | 39 | |
f0706e82 | 40 | static inline void *rate_control_alloc_sta(struct rate_control_ref *ref, |
35c347ac | 41 | struct sta_info *sta, gfp_t gfp) |
f0706e82 | 42 | { |
35c347ac JB |
43 | spin_lock_init(&sta->rate_ctrl_lock); |
44 | return ref->ops->alloc_sta(ref->priv, &sta->sta, gfp); | |
f0706e82 JB |
45 | } |
46 | ||
4b7679a5 | 47 | static inline void rate_control_free_sta(struct sta_info *sta) |
f0706e82 | 48 | { |
4b7679a5 JB |
49 | struct rate_control_ref *ref = sta->rate_ctrl; |
50 | struct ieee80211_sta *ista = &sta->sta; | |
51 | void *priv_sta = sta->rate_ctrl_priv; | |
52 | ||
53 | ref->ops->free_sta(ref->priv, ista, priv_sta); | |
f0706e82 JB |
54 | } |
55 | ||
e9f207f0 JB |
56 | static inline void rate_control_add_sta_debugfs(struct sta_info *sta) |
57 | { | |
58 | #ifdef CONFIG_MAC80211_DEBUGFS | |
59 | struct rate_control_ref *ref = sta->rate_ctrl; | |
fc4a25c5 | 60 | if (ref && sta->debugfs_dir && ref->ops->add_sta_debugfs) |
e9f207f0 | 61 | ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv, |
fc4a25c5 | 62 | sta->debugfs_dir); |
e9f207f0 JB |
63 | #endif |
64 | } | |
65 | ||
66 | static inline void rate_control_remove_sta_debugfs(struct sta_info *sta) | |
67 | { | |
68 | #ifdef CONFIG_MAC80211_DEBUGFS | |
69 | struct rate_control_ref *ref = sta->rate_ctrl; | |
af65cd96 | 70 | if (ref && ref->ops->remove_sta_debugfs) |
e9f207f0 JB |
71 | ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv); |
72 | #endif | |
73 | } | |
74 | ||
e8e4f528 JB |
75 | void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata); |
76 | ||
209c671d AS |
77 | /* Get a reference to the rate control algorithm. If `name' is NULL, get the |
78 | * first available algorithm. */ | |
ff688089 JB |
79 | int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, |
80 | const char *name); | |
81 | void rate_control_deinitialize(struct ieee80211_local *local); | |
82 | ||
4b475898 JB |
83 | |
84 | /* Rate control algorithms */ | |
cccf129f | 85 | #ifdef CONFIG_MAC80211_RC_MINSTREL |
c1b1203d JP |
86 | int rc80211_minstrel_init(void); |
87 | void rc80211_minstrel_exit(void); | |
cccf129f FF |
88 | #else |
89 | static inline int rc80211_minstrel_init(void) | |
90 | { | |
91 | return 0; | |
92 | } | |
93 | static inline void rc80211_minstrel_exit(void) | |
94 | { | |
95 | } | |
96 | #endif | |
97 | ||
ec8aa669 | 98 | #ifdef CONFIG_MAC80211_RC_MINSTREL_HT |
c1b1203d JP |
99 | int rc80211_minstrel_ht_init(void); |
100 | void rc80211_minstrel_ht_exit(void); | |
ec8aa669 FF |
101 | #else |
102 | static inline int rc80211_minstrel_ht_init(void) | |
103 | { | |
104 | return 0; | |
105 | } | |
106 | static inline void rc80211_minstrel_ht_exit(void) | |
107 | { | |
108 | } | |
109 | #endif | |
110 | ||
cccf129f | 111 | |
f0706e82 | 112 | #endif /* IEEE80211_RATE_H */ |