tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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#include "driver-ops.h"
21
22struct rate_control_ref {
23 const struct rate_control_ops *ops;
24 void *priv;
25};
26
27void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
28 struct sta_info *sta,
29 struct ieee80211_tx_rate_control *txrc);
30
31void rate_control_tx_status(struct ieee80211_local *local,
32 struct ieee80211_supported_band *sband,
33 struct ieee80211_tx_status *st);
34
35void rate_control_rate_init(struct sta_info *sta);
36void rate_control_rate_update(struct ieee80211_local *local,
37 struct ieee80211_supported_band *sband,
38 struct sta_info *sta, u32 changed);
39
40static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
41 struct sta_info *sta, gfp_t gfp)
42{
43 spin_lock_init(&sta->rate_ctrl_lock);
44 return ref->ops->alloc_sta(ref->priv, &sta->sta, gfp);
45}
46
47static inline void rate_control_free_sta(struct sta_info *sta)
48{
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);
54}
55
56static 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;
60 if (ref && sta->debugfs_dir && ref->ops->add_sta_debugfs)
61 ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
62 sta->debugfs_dir);
63#endif
64}
65
66static 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;
70 if (ref && ref->ops->remove_sta_debugfs)
71 ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
72#endif
73}
74
75void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata);
76
77/* Get a reference to the rate control algorithm. If `name' is NULL, get the
78 * first available algorithm. */
79int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
80 const char *name);
81void rate_control_deinitialize(struct ieee80211_local *local);
82
83
84/* Rate control algorithms */
85#ifdef CONFIG_MAC80211_RC_MINSTREL
86int rc80211_minstrel_init(void);
87void rc80211_minstrel_exit(void);
88#else
89static inline int rc80211_minstrel_init(void)
90{
91 return 0;
92}
93static inline void rc80211_minstrel_exit(void)
94{
95}
96#endif
97
98
99#endif /* IEEE80211_RATE_H */