[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / mac80211 / rate.h

/*
 * Copyright 2002-2005, Instant802 Networks, Inc.
 * Copyright 2005, Devicescape Software, Inc.
 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef IEEE80211_RATE_H
#define IEEE80211_RATE_H

#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"
#include "sta_info.h"

struct rate_control_ref {
	struct ieee80211_local *local;
	struct rate_control_ops *ops;
	void *priv;
};

void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
			   struct sta_info *sta,
			   struct ieee80211_tx_rate_control *txrc);

static inline void rate_control_tx_status(struct ieee80211_local *local,
					  struct ieee80211_supported_band *sband,
					  struct sta_info *sta,
					  struct sk_buff *skb)
{
	struct rate_control_ref *ref = local->rate_ctrl;
	struct ieee80211_sta *ista = &sta->sta;
	void *priv_sta = sta->rate_ctrl_priv;

	if (!ref)
		return;

	ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
}


static inline void rate_control_rate_init(struct sta_info *sta)
{
	struct ieee80211_local *local = sta->sdata->local;
	struct rate_control_ref *ref = sta->rate_ctrl;
	struct ieee80211_sta *ista = &sta->sta;
	void *priv_sta = sta->rate_ctrl_priv;
	struct ieee80211_supported_band *sband;

	if (!ref)
		return;

	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];

	ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
	set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
}

static inline void rate_control_rate_update(struct ieee80211_local *local,
				    struct ieee80211_supported_band *sband,
				    struct sta_info *sta, u32 changed,
				    enum nl80211_channel_type oper_chan_type)
{
	struct rate_control_ref *ref = local->rate_ctrl;
	struct ieee80211_sta *ista = &sta->sta;
	void *priv_sta = sta->rate_ctrl_priv;

	if (ref && ref->ops->rate_update)
		ref->ops->rate_update(ref->priv, sband, ista,
				      priv_sta, changed, oper_chan_type);
}

static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
					   struct ieee80211_sta *sta,
					   gfp_t gfp)
{
	return ref->ops->alloc_sta(ref->priv, sta, gfp);
}

static inline void rate_control_free_sta(struct sta_info *sta)
{
	struct rate_control_ref *ref = sta->rate_ctrl;
	struct ieee80211_sta *ista = &sta->sta;
	void *priv_sta = sta->rate_ctrl_priv;

	ref->ops->free_sta(ref->priv, ista, priv_sta);
}

static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
{
#ifdef CONFIG_MAC80211_DEBUGFS
	struct rate_control_ref *ref = sta->rate_ctrl;
	if (ref && sta->debugfs.dir && ref->ops->add_sta_debugfs)
		ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
					  sta->debugfs.dir);
#endif
}

static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
{
#ifdef CONFIG_MAC80211_DEBUGFS
	struct rate_control_ref *ref = sta->rate_ctrl;
	if (ref && ref->ops->remove_sta_debugfs)
		ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
#endif
}

/* Get a reference to the rate control algorithm. If `name' is NULL, get the
 * first available algorithm. */
int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
				 const char *name);
void rate_control_deinitialize(struct ieee80211_local *local);


/* Rate control algorithms */
#ifdef CONFIG_MAC80211_RC_PID
extern int rc80211_pid_init(void);
extern void rc80211_pid_exit(void);
#else
static inline int rc80211_pid_init(void)
{
	return 0;
}
static inline void rc80211_pid_exit(void)
{
}
#endif

#ifdef CONFIG_MAC80211_RC_MINSTREL
extern int rc80211_minstrel_init(void);
extern void rc80211_minstrel_exit(void);
#else
static inline int rc80211_minstrel_init(void)
{
	return 0;
}
static inline void rc80211_minstrel_exit(void)
{
}
#endif

#ifdef CONFIG_MAC80211_RC_MINSTREL_HT
extern int rc80211_minstrel_ht_init(void);
extern void rc80211_minstrel_ht_exit(void);
#else
static inline int rc80211_minstrel_ht_init(void)
{
	return 0;
}
static inline void rc80211_minstrel_ht_exit(void)
{
}
#endif


#endif /* IEEE80211_RATE_H */
Commit	Line	Data
f0706e82 JB	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
f0706e82	21	struct rate_control_ref {
4b7679a5	22	struct ieee80211_local *local;
f0706e82 JB	23	struct rate_control_ops *ops;
f0706e82 JB	24	void *priv;
f0706e82 JB	25	};
f0706e82 JB	26
4b7679a5	27	void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
e6a9854b JB	28	struct sta_info *sta,
e6a9854b JB	29	struct ieee80211_tx_rate_control *txrc);
f0706e82	30
4b7679a5 JB	31	static inline void rate_control_tx_status(struct ieee80211_local *local,
	32	struct ieee80211_supported_band *sband,
	33	struct sta_info *sta,
e039fa4a	34	struct sk_buff *skb)
f0706e82 JB	35	{
f0706e82 JB	36	struct rate_control_ref *ref = local->rate_ctrl;
4b7679a5 JB	37	struct ieee80211_sta *ista = &sta->sta;
4b7679a5 JB	38	void *priv_sta = sta->rate_ctrl_priv;
3c384053 V	39
	40	if (!ref)
	41	return;
	42
37eb0b16	43	ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
f0706e82 JB	44	}
	45
	46
4b7679a5	47	static inline void rate_control_rate_init(struct sta_info *sta)
f0706e82	48	{
4b7679a5	49	struct ieee80211_local *local = sta->sdata->local;
f0706e82	50	struct rate_control_ref *ref = sta->rate_ctrl;
4b7679a5 JB	51	struct ieee80211_sta *ista = &sta->sta;
	52	void *priv_sta = sta->rate_ctrl_priv;
	53	struct ieee80211_supported_band *sband;
	54
af65cd96 JB	55	if (!ref)
	56	return;
	57
4b7679a5 JB	58	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
	59
	60	ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
e1936e94	61	set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
f0706e82 JB	62	}
f0706e82 JB	63
81cb7623 S	64	static inline void rate_control_rate_update(struct ieee80211_local *local,
81cb7623 S	65	struct ieee80211_supported_band *sband,
4fa00437 S	66	struct sta_info *sta, u32 changed,
4fa00437 S	67	enum nl80211_channel_type oper_chan_type)
81cb7623 S	68	{
	69	struct rate_control_ref *ref = local->rate_ctrl;
	70	struct ieee80211_sta *ista = &sta->sta;
	71	void *priv_sta = sta->rate_ctrl_priv;
	72
af65cd96	73	if (ref && ref->ops->rate_update)
81cb7623	74	ref->ops->rate_update(ref->priv, sband, ista,
4fa00437	75	priv_sta, changed, oper_chan_type);
81cb7623	76	}
f0706e82	77
f0706e82	78	static inline void rate_control_alloc_sta(struct rate_control_ref ref,
4b7679a5	79	struct ieee80211_sta *sta,
f0706e82 JB	80	gfp_t gfp)
f0706e82 JB	81	{
4b7679a5	82	return ref->ops->alloc_sta(ref->priv, sta, gfp);
f0706e82 JB	83	}
f0706e82 JB	84
4b7679a5	85	static inline void rate_control_free_sta(struct sta_info *sta)
f0706e82	86	{
4b7679a5 JB	87	struct rate_control_ref *ref = sta->rate_ctrl;
	88	struct ieee80211_sta *ista = &sta->sta;
	89	void *priv_sta = sta->rate_ctrl_priv;
	90
	91	ref->ops->free_sta(ref->priv, ista, priv_sta);
f0706e82 JB	92	}
f0706e82 JB	93
e9f207f0 JB	94	static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
	95	{
	96	#ifdef CONFIG_MAC80211_DEBUGFS
	97	struct rate_control_ref *ref = sta->rate_ctrl;
af65cd96	98	if (ref && sta->debugfs.dir && ref->ops->add_sta_debugfs)
e9f207f0 JB	99	ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
	100	sta->debugfs.dir);
	101	#endif
	102	}
	103
	104	static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
	105	{
	106	#ifdef CONFIG_MAC80211_DEBUGFS
	107	struct rate_control_ref *ref = sta->rate_ctrl;
af65cd96	108	if (ref && ref->ops->remove_sta_debugfs)
e9f207f0 JB	109	ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
	110	#endif
	111	}
	112
209c671d AS	113	/* Get a reference to the rate control algorithm. If `name' is NULL, get the
209c671d AS	114	* first available algorithm. */
ff688089 JB	115	int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
	116	const char *name);
	117	void rate_control_deinitialize(struct ieee80211_local *local);
	118
4b475898 JB	119
4b475898 JB	120	/* Rate control algorithms */
e5f5e733	121	#ifdef CONFIG_MAC80211_RC_PID
4b475898 JB	122	extern int rc80211_pid_init(void);
	123	extern void rc80211_pid_exit(void);
	124	#else
	125	static inline int rc80211_pid_init(void)
	126	{
	127	return 0;
	128	}
	129	static inline void rc80211_pid_exit(void)
	130	{
	131	}
	132	#endif
	133
cccf129f FF	134	#ifdef CONFIG_MAC80211_RC_MINSTREL
	135	extern int rc80211_minstrel_init(void);
	136	extern void rc80211_minstrel_exit(void);
	137	#else
	138	static inline int rc80211_minstrel_init(void)
	139	{
	140	return 0;
	141	}
	142	static inline void rc80211_minstrel_exit(void)
	143	{
	144	}
	145	#endif
	146
ec8aa669 FF	147	#ifdef CONFIG_MAC80211_RC_MINSTREL_HT
	148	extern int rc80211_minstrel_ht_init(void);
	149	extern void rc80211_minstrel_ht_exit(void);
	150	#else
	151	static inline int rc80211_minstrel_ht_init(void)
	152	{
	153	return 0;
	154	}
	155	static inline void rc80211_minstrel_ht_exit(void)
	156	{
	157	}
	158	#endif
	159
cccf129f	160
f0706e82	161	#endif /* IEEE80211_RATE_H */