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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> | |
b4f85443 | 6 | * Copyright (C) 2022 Intel Corporation |
f0706e82 JB |
7 | */ |
8 | ||
9 | #ifndef IEEE80211_RATE_H | |
10 | #define IEEE80211_RATE_H | |
11 | ||
12 | #include <linux/netdevice.h> | |
13 | #include <linux/skbuff.h> | |
14 | #include <linux/types.h> | |
15 | #include <net/mac80211.h> | |
16 | #include "ieee80211_i.h" | |
17 | #include "sta_info.h" | |
8f727ef3 | 18 | #include "driver-ops.h" |
f0706e82 | 19 | |
f0706e82 | 20 | struct rate_control_ref { |
631ad703 | 21 | const struct rate_control_ops *ops; |
f0706e82 | 22 | void *priv; |
f0706e82 JB |
23 | }; |
24 | ||
4b7679a5 | 25 | void rate_control_get_rate(struct ieee80211_sub_if_data *sdata, |
e6a9854b JB |
26 | struct sta_info *sta, |
27 | struct ieee80211_tx_rate_control *txrc); | |
f0706e82 | 28 | |
18fb84d9 | 29 | void rate_control_tx_status(struct ieee80211_local *local, |
18fb84d9 | 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, | |
b4f85443 JB |
34 | struct ieee80211_supported_band *sband, |
35 | struct sta_info *sta, | |
36 | unsigned int link_id, | |
37 | u32 changed); | |
f0706e82 | 38 | |
f0706e82 | 39 | static inline void *rate_control_alloc_sta(struct rate_control_ref *ref, |
35c347ac | 40 | struct sta_info *sta, gfp_t gfp) |
f0706e82 | 41 | { |
35c347ac JB |
42 | spin_lock_init(&sta->rate_ctrl_lock); |
43 | return ref->ops->alloc_sta(ref->priv, &sta->sta, gfp); | |
f0706e82 JB |
44 | } |
45 | ||
4b7679a5 | 46 | static inline void rate_control_free_sta(struct sta_info *sta) |
f0706e82 | 47 | { |
4b7679a5 JB |
48 | struct rate_control_ref *ref = sta->rate_ctrl; |
49 | struct ieee80211_sta *ista = &sta->sta; | |
50 | void *priv_sta = sta->rate_ctrl_priv; | |
51 | ||
52 | ref->ops->free_sta(ref->priv, ista, priv_sta); | |
f0706e82 JB |
53 | } |
54 | ||
e9f207f0 JB |
55 | static inline void rate_control_add_sta_debugfs(struct sta_info *sta) |
56 | { | |
57 | #ifdef CONFIG_MAC80211_DEBUGFS | |
58 | struct rate_control_ref *ref = sta->rate_ctrl; | |
fc4a25c5 | 59 | if (ref && sta->debugfs_dir && ref->ops->add_sta_debugfs) |
e9f207f0 | 60 | ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv, |
fc4a25c5 | 61 | sta->debugfs_dir); |
e9f207f0 JB |
62 | #endif |
63 | } | |
64 | ||
6cb5f3ea JB |
65 | extern const struct file_operations rcname_ops; |
66 | ||
67 | static inline void rate_control_add_debugfs(struct ieee80211_local *local) | |
68 | { | |
69 | #ifdef CONFIG_MAC80211_DEBUGFS | |
70 | struct dentry *debugfsdir; | |
71 | ||
72 | if (!local->rate_ctrl) | |
73 | return; | |
74 | ||
75 | if (!local->rate_ctrl->ops->add_debugfs) | |
76 | return; | |
77 | ||
78 | debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir); | |
79 | local->debugfs.rcdir = debugfsdir; | |
80 | debugfs_create_file("name", 0400, debugfsdir, | |
81 | local->rate_ctrl, &rcname_ops); | |
82 | ||
83 | local->rate_ctrl->ops->add_debugfs(&local->hw, local->rate_ctrl->priv, | |
84 | debugfsdir); | |
85 | #endif | |
86 | } | |
87 | ||
de03f8ac | 88 | void ieee80211_check_rate_mask(struct ieee80211_link_data *link); |
e8e4f528 | 89 | |
209c671d AS |
90 | /* Get a reference to the rate control algorithm. If `name' is NULL, get the |
91 | * first available algorithm. */ | |
ff688089 JB |
92 | int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, |
93 | const char *name); | |
94 | void rate_control_deinitialize(struct ieee80211_local *local); | |
95 | ||
4b475898 JB |
96 | |
97 | /* Rate control algorithms */ | |
cccf129f | 98 | #ifdef CONFIG_MAC80211_RC_MINSTREL |
c1b1203d JP |
99 | int rc80211_minstrel_init(void); |
100 | void rc80211_minstrel_exit(void); | |
cccf129f FF |
101 | #else |
102 | static inline int rc80211_minstrel_init(void) | |
103 | { | |
104 | return 0; | |
105 | } | |
106 | static inline void rc80211_minstrel_exit(void) | |
107 | { | |
108 | } | |
109 | #endif | |
110 | ||
111 | ||
f0706e82 | 112 | #endif /* IEEE80211_RATE_H */ |