HID: remove rdesc quirk support
[linux-2.6/mini2440.git] / net / mac80211 / rate.h
blobd0092f847f82775eb19c457874dfc911a12d4795
1 /*
2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2005, Devicescape Software, Inc.
4 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
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 */
11 #ifndef IEEE80211_RATE_H
12 #define IEEE80211_RATE_H
14 #include <linux/netdevice.h>
15 #include <linux/skbuff.h>
16 #include <linux/types.h>
17 #include <linux/kref.h>
18 #include <net/mac80211.h>
19 #include "ieee80211_i.h"
20 #include "sta_info.h"
22 struct rate_control_ref {
23 struct ieee80211_local *local;
24 struct rate_control_ops *ops;
25 void *priv;
26 struct kref kref;
29 /* Get a reference to the rate control algorithm. If `name' is NULL, get the
30 * first available algorithm. */
31 struct rate_control_ref *rate_control_alloc(const char *name,
32 struct ieee80211_local *local);
33 void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
34 struct ieee80211_supported_band *sband,
35 struct sta_info *sta, struct sk_buff *skb,
36 struct rate_selection *sel);
37 struct rate_control_ref *rate_control_get(struct rate_control_ref *ref);
38 void rate_control_put(struct rate_control_ref *ref);
40 static inline void rate_control_tx_status(struct ieee80211_local *local,
41 struct ieee80211_supported_band *sband,
42 struct sta_info *sta,
43 struct sk_buff *skb)
45 struct rate_control_ref *ref = local->rate_ctrl;
46 struct ieee80211_sta *ista = &sta->sta;
47 void *priv_sta = sta->rate_ctrl_priv;
49 ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
53 static inline void rate_control_rate_init(struct sta_info *sta)
55 struct ieee80211_local *local = sta->sdata->local;
56 struct rate_control_ref *ref = sta->rate_ctrl;
57 struct ieee80211_sta *ista = &sta->sta;
58 void *priv_sta = sta->rate_ctrl_priv;
59 struct ieee80211_supported_band *sband;
61 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
63 ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
67 static inline void rate_control_clear(struct ieee80211_local *local)
69 struct rate_control_ref *ref = local->rate_ctrl;
70 ref->ops->clear(ref->priv);
73 static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
74 struct ieee80211_sta *sta,
75 gfp_t gfp)
77 return ref->ops->alloc_sta(ref->priv, sta, gfp);
80 static inline void rate_control_free_sta(struct sta_info *sta)
82 struct rate_control_ref *ref = sta->rate_ctrl;
83 struct ieee80211_sta *ista = &sta->sta;
84 void *priv_sta = sta->rate_ctrl_priv;
86 ref->ops->free_sta(ref->priv, ista, priv_sta);
89 static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
91 #ifdef CONFIG_MAC80211_DEBUGFS
92 struct rate_control_ref *ref = sta->rate_ctrl;
93 if (sta->debugfs.dir && ref->ops->add_sta_debugfs)
94 ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
95 sta->debugfs.dir);
96 #endif
99 static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
101 #ifdef CONFIG_MAC80211_DEBUGFS
102 struct rate_control_ref *ref = sta->rate_ctrl;
103 if (ref->ops->remove_sta_debugfs)
104 ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
105 #endif
108 /* functions for rate control related to a device */
109 int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
110 const char *name);
111 void rate_control_deinitialize(struct ieee80211_local *local);
114 /* Rate control algorithms */
115 #ifdef CONFIG_MAC80211_RC_PID
116 extern int rc80211_pid_init(void);
117 extern void rc80211_pid_exit(void);
118 #else
119 static inline int rc80211_pid_init(void)
121 return 0;
123 static inline void rc80211_pid_exit(void)
126 #endif
128 #ifdef CONFIG_MAC80211_RC_MINSTREL
129 extern int rc80211_minstrel_init(void);
130 extern void rc80211_minstrel_exit(void);
131 #else
132 static inline int rc80211_minstrel_init(void)
134 return 0;
136 static inline void rc80211_minstrel_exit(void)
139 #endif
142 #endif /* IEEE80211_RATE_H */