/* * 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 <linux/kref.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; struct kref kref; }; void rate_control_get_rate(struct ieee80211_sub_if_data *sdata, struct sta_info *sta, struct ieee80211_tx_rate_control *txrc); struct rate_control_ref *rate_control_get(struct rate_control_ref *ref); void rate_control_put(struct rate_control_ref *ref); 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); } 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 */