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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
f0706e82 JB |
2 | /* |
3 | * Copyright 2002-2005, Instant802 Networks, Inc. | |
4 | * Copyright 2005, Devicescape Software, Inc. | |
5 | * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> | |
f0706e82 JB |
6 | */ |
7 | ||
8 | #ifndef IEEE80211_RATE_H | |
9 | #define IEEE80211_RATE_H | |
10 | ||
11 | #include <linux/netdevice.h> | |
12 | #include <linux/skbuff.h> | |
13 | #include <linux/types.h> | |
14 | #include <net/mac80211.h> | |
15 | #include "ieee80211_i.h" | |
16 | #include "sta_info.h" | |
8f727ef3 | 17 | #include "driver-ops.h" |
f0706e82 | 18 | |
f0706e82 | 19 | struct rate_control_ref { |
631ad703 | 20 | const struct rate_control_ops *ops; |
f0706e82 | 21 | void *priv; |
f0706e82 JB |
22 | }; |
23 | ||
4b7679a5 | 24 | void rate_control_get_rate(struct ieee80211_sub_if_data *sdata, |
e6a9854b JB |
25 | struct sta_info *sta, |
26 | struct ieee80211_tx_rate_control *txrc); | |
f0706e82 | 27 | |
18fb84d9 FF |
28 | void rate_control_tx_status(struct ieee80211_local *local, |
29 | struct ieee80211_supported_band *sband, | |
30 | struct ieee80211_tx_status *st); | |
f0706e82 | 31 | |
eb6d9293 DV |
32 | void rate_control_rate_init(struct sta_info *sta); |
33 | void rate_control_rate_update(struct ieee80211_local *local, | |
81cb7623 | 34 | struct ieee80211_supported_band *sband, |
eb6d9293 | 35 | struct sta_info *sta, u32 changed); |
f0706e82 | 36 | |
f0706e82 | 37 | static inline void *rate_control_alloc_sta(struct rate_control_ref *ref, |
35c347ac | 38 | struct sta_info *sta, gfp_t gfp) |
f0706e82 | 39 | { |
35c347ac JB |
40 | spin_lock_init(&sta->rate_ctrl_lock); |
41 | return ref->ops->alloc_sta(ref->priv, &sta->sta, gfp); | |
f0706e82 JB |
42 | } |
43 | ||
4b7679a5 | 44 | static inline void rate_control_free_sta(struct sta_info *sta) |
f0706e82 | 45 | { |
4b7679a5 JB |
46 | struct rate_control_ref *ref = sta->rate_ctrl; |
47 | struct ieee80211_sta *ista = &sta->sta; | |
48 | void *priv_sta = sta->rate_ctrl_priv; | |
49 | ||
50 | ref->ops->free_sta(ref->priv, ista, priv_sta); | |
f0706e82 JB |
51 | } |
52 | ||
e9f207f0 JB |
53 | static inline void rate_control_add_sta_debugfs(struct sta_info *sta) |
54 | { | |
55 | #ifdef CONFIG_MAC80211_DEBUGFS | |
56 | struct rate_control_ref *ref = sta->rate_ctrl; | |
fc4a25c5 | 57 | if (ref && sta->debugfs_dir && ref->ops->add_sta_debugfs) |
e9f207f0 | 58 | ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv, |
fc4a25c5 | 59 | sta->debugfs_dir); |
e9f207f0 JB |
60 | #endif |
61 | } | |
62 | ||
6cb5f3ea JB |
63 | extern const struct file_operations rcname_ops; |
64 | ||
65 | static inline void rate_control_add_debugfs(struct ieee80211_local *local) | |
66 | { | |
67 | #ifdef CONFIG_MAC80211_DEBUGFS | |
68 | struct dentry *debugfsdir; | |
69 | ||
70 | if (!local->rate_ctrl) | |
71 | return; | |
72 | ||
73 | if (!local->rate_ctrl->ops->add_debugfs) | |
74 | return; | |
75 | ||
76 | debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir); | |
77 | local->debugfs.rcdir = debugfsdir; | |
78 | debugfs_create_file("name", 0400, debugfsdir, | |
79 | local->rate_ctrl, &rcname_ops); | |
80 | ||
81 | local->rate_ctrl->ops->add_debugfs(&local->hw, local->rate_ctrl->priv, | |
82 | debugfsdir); | |
83 | #endif | |
84 | } | |
85 | ||
e8e4f528 JB |
86 | void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata); |
87 | ||
209c671d AS |
88 | /* Get a reference to the rate control algorithm. If `name' is NULL, get the |
89 | * first available algorithm. */ | |
ff688089 JB |
90 | int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, |
91 | const char *name); | |
92 | void rate_control_deinitialize(struct ieee80211_local *local); | |
93 | ||
4b475898 JB |
94 | |
95 | /* Rate control algorithms */ | |
cccf129f | 96 | #ifdef CONFIG_MAC80211_RC_MINSTREL |
c1b1203d JP |
97 | int rc80211_minstrel_init(void); |
98 | void rc80211_minstrel_exit(void); | |
cccf129f FF |
99 | #else |
100 | static inline int rc80211_minstrel_init(void) | |
101 | { | |
102 | return 0; | |
103 | } | |
104 | static inline void rc80211_minstrel_exit(void) | |
105 | { | |
106 | } | |
107 | #endif | |
108 | ||
109 | ||
f0706e82 | 110 | #endif /* IEEE80211_RATE_H */ |