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net/mac80211/ieee80211_rate.h
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/* * 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" #define RATE_CONTROL_NUM_DOWN 20 #define RATE_CONTROL_NUM_UP 15 struct rate_control_extra { /* values from rate_control_get_rate() to the caller: */ struct ieee80211_rate *probe; /* probe with this rate, or NULL for no * probing */ struct ieee80211_rate *nonerp; /* parameters from the caller to rate_control_get_rate(): */ struct ieee80211_hw_mode *mode; int mgmt_data; /* this is data frame that is used for management * (e.g., IEEE 802.1X EAPOL) */ u16 ethertype; }; struct rate_control_ops { struct module *module; const char *name; void (*tx_status)(void *priv, struct net_device *dev, struct sk_buff *skb, struct ieee80211_tx_status *status); struct ieee80211_rate *(*get_rate)(void *priv, struct net_device *dev, struct sk_buff *skb, struct rate_control_extra *extra); void (*rate_init)(void *priv, void *priv_sta, struct ieee80211_local *local, struct sta_info *sta); void (*clear)(void *priv); void *(*alloc)(struct ieee80211_local *local); void (*free)(void *priv); void *(*alloc_sta)(void *priv, gfp_t gfp); void (*free_sta)(void *priv, void *priv_sta); int (*add_attrs)(void *priv, struct kobject *kobj); void (*remove_attrs)(void *priv, struct kobject *kobj); |
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void (*add_sta_debugfs)(void *priv, void *priv_sta, struct dentry *dir); void (*remove_sta_debugfs)(void *priv, void *priv_sta); |
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}; struct rate_control_ref { struct rate_control_ops *ops; void *priv; struct kref kref; }; int ieee80211_rate_control_register(struct rate_control_ops *ops); void ieee80211_rate_control_unregister(struct rate_control_ops *ops); /* Get a reference to the rate control algorithm. If `name' is NULL, get the * first available algorithm. */ struct rate_control_ref *rate_control_alloc(const char *name, struct ieee80211_local *local); 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 net_device *dev, struct sk_buff *skb, struct ieee80211_tx_status *status) { struct rate_control_ref *ref = local->rate_ctrl; ref->ops->tx_status(ref->priv, dev, skb, status); } static inline struct ieee80211_rate * rate_control_get_rate(struct ieee80211_local *local, struct net_device *dev, struct sk_buff *skb, struct rate_control_extra *extra) { struct rate_control_ref *ref = local->rate_ctrl; return ref->ops->get_rate(ref->priv, dev, skb, extra); } static inline void rate_control_rate_init(struct sta_info *sta, struct ieee80211_local *local) { struct rate_control_ref *ref = sta->rate_ctrl; ref->ops->rate_init(ref->priv, sta->rate_ctrl_priv, local, sta); } static inline void rate_control_clear(struct ieee80211_local *local) { struct rate_control_ref *ref = local->rate_ctrl; ref->ops->clear(ref->priv); } static inline void *rate_control_alloc_sta(struct rate_control_ref *ref, gfp_t gfp) { return ref->ops->alloc_sta(ref->priv, gfp); } static inline void rate_control_free_sta(struct rate_control_ref *ref, void *priv) { ref->ops->free_sta(ref->priv, priv); } |
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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 (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->ops->remove_sta_debugfs) ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv); #endif } |
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#endif /* IEEE80211_RATE_H */ |