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.
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 <net/mac80211.h>
18 #include "ieee80211_i.h"
21 struct rate_control_ref
{
22 struct ieee80211_local
*local
;
23 struct rate_control_ops
*ops
;
27 void rate_control_get_rate(struct ieee80211_sub_if_data
*sdata
,
29 struct ieee80211_tx_rate_control
*txrc
);
31 static inline void rate_control_tx_status(struct ieee80211_local
*local
,
32 struct ieee80211_supported_band
*sband
,
36 struct rate_control_ref
*ref
= local
->rate_ctrl
;
37 struct ieee80211_sta
*ista
= &sta
->sta
;
38 void *priv_sta
= sta
->rate_ctrl_priv
;
40 if (!ref
|| !test_sta_flag(sta
, WLAN_STA_RATE_CONTROL
))
43 ref
->ops
->tx_status(ref
->priv
, sband
, ista
, priv_sta
, skb
);
47 static inline void rate_control_rate_init(struct sta_info
*sta
)
49 struct ieee80211_local
*local
= sta
->sdata
->local
;
50 struct rate_control_ref
*ref
= sta
->rate_ctrl
;
51 struct ieee80211_sta
*ista
= &sta
->sta
;
52 void *priv_sta
= sta
->rate_ctrl_priv
;
53 struct ieee80211_supported_band
*sband
;
58 sband
= local
->hw
.wiphy
->bands
[local
->hw
.conf
.channel
->band
];
60 ref
->ops
->rate_init(ref
->priv
, sband
, ista
, priv_sta
);
61 set_sta_flag(sta
, WLAN_STA_RATE_CONTROL
);
64 static inline void rate_control_rate_update(struct ieee80211_local
*local
,
65 struct ieee80211_supported_band
*sband
,
66 struct sta_info
*sta
, u32 changed
,
67 enum nl80211_channel_type oper_chan_type
)
69 struct rate_control_ref
*ref
= local
->rate_ctrl
;
70 struct ieee80211_sta
*ista
= &sta
->sta
;
71 void *priv_sta
= sta
->rate_ctrl_priv
;
73 if (ref
&& ref
->ops
->rate_update
)
74 ref
->ops
->rate_update(ref
->priv
, sband
, ista
,
75 priv_sta
, changed
, oper_chan_type
);
78 static inline void *rate_control_alloc_sta(struct rate_control_ref
*ref
,
79 struct ieee80211_sta
*sta
,
82 return ref
->ops
->alloc_sta(ref
->priv
, sta
, gfp
);
85 static inline void rate_control_free_sta(struct sta_info
*sta
)
87 struct rate_control_ref
*ref
= sta
->rate_ctrl
;
88 struct ieee80211_sta
*ista
= &sta
->sta
;
89 void *priv_sta
= sta
->rate_ctrl_priv
;
91 ref
->ops
->free_sta(ref
->priv
, ista
, priv_sta
);
94 static inline void rate_control_add_sta_debugfs(struct sta_info
*sta
)
96 #ifdef CONFIG_MAC80211_DEBUGFS
97 struct rate_control_ref
*ref
= sta
->rate_ctrl
;
98 if (ref
&& sta
->debugfs
.dir
&& ref
->ops
->add_sta_debugfs
)
99 ref
->ops
->add_sta_debugfs(ref
->priv
, sta
->rate_ctrl_priv
,
104 static inline void rate_control_remove_sta_debugfs(struct sta_info
*sta
)
106 #ifdef CONFIG_MAC80211_DEBUGFS
107 struct rate_control_ref
*ref
= sta
->rate_ctrl
;
108 if (ref
&& ref
->ops
->remove_sta_debugfs
)
109 ref
->ops
->remove_sta_debugfs(ref
->priv
, sta
->rate_ctrl_priv
);
113 /* Get a reference to the rate control algorithm. If `name' is NULL, get the
114 * first available algorithm. */
115 int ieee80211_init_rate_ctrl_alg(struct ieee80211_local
*local
,
117 void rate_control_deinitialize(struct ieee80211_local
*local
);
120 /* Rate control algorithms */
121 #ifdef CONFIG_MAC80211_RC_PID
122 extern int rc80211_pid_init(void);
123 extern void rc80211_pid_exit(void);
125 static inline int rc80211_pid_init(void)
129 static inline void rc80211_pid_exit(void)
134 #ifdef CONFIG_MAC80211_RC_MINSTREL
135 extern int rc80211_minstrel_init(void);
136 extern void rc80211_minstrel_exit(void);
138 static inline int rc80211_minstrel_init(void)
142 static inline void rc80211_minstrel_exit(void)
147 #ifdef CONFIG_MAC80211_RC_MINSTREL_HT
148 extern int rc80211_minstrel_ht_init(void);
149 extern void rc80211_minstrel_ht_exit(void);
151 static inline int rc80211_minstrel_ht_init(void)
155 static inline void rc80211_minstrel_ht_exit(void)
161 #endif /* IEEE80211_RATE_H */