~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/net/mac80211/rate.h

Version: ~ [ linux-5.3 ] ~ [ linux-5.2.15 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.73 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.144 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.193 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.193 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.73 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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 #include "driver-ops.h"
 21 
 22 struct rate_control_ref {
 23         struct ieee80211_local *local;
 24         const struct rate_control_ops *ops;
 25         void *priv;
 26 };
 27 
 28 void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
 29                            struct sta_info *sta,
 30                            struct ieee80211_tx_rate_control *txrc);
 31 
 32 static inline void rate_control_tx_status(struct ieee80211_local *local,
 33                                           struct ieee80211_supported_band *sband,
 34                                           struct sta_info *sta,
 35                                           struct sk_buff *skb)
 36 {
 37         struct rate_control_ref *ref = local->rate_ctrl;
 38         struct ieee80211_sta *ista = &sta->sta;
 39         void *priv_sta = sta->rate_ctrl_priv;
 40         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 41 
 42         if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
 43                 return;
 44 
 45         spin_lock_bh(&sta->rate_ctrl_lock);
 46         if (ref->ops->tx_status)
 47                 ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
 48         else
 49                 ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info);
 50         spin_unlock_bh(&sta->rate_ctrl_lock);
 51 }
 52 
 53 static inline void
 54 rate_control_tx_status_noskb(struct ieee80211_local *local,
 55                              struct ieee80211_supported_band *sband,
 56                              struct sta_info *sta,
 57                              struct ieee80211_tx_info *info)
 58 {
 59         struct rate_control_ref *ref = local->rate_ctrl;
 60         struct ieee80211_sta *ista = &sta->sta;
 61         void *priv_sta = sta->rate_ctrl_priv;
 62 
 63         if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
 64                 return;
 65 
 66         if (WARN_ON_ONCE(!ref->ops->tx_status_noskb))
 67                 return;
 68 
 69         spin_lock_bh(&sta->rate_ctrl_lock);
 70         ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info);
 71         spin_unlock_bh(&sta->rate_ctrl_lock);
 72 }
 73 
 74 void rate_control_rate_init(struct sta_info *sta);
 75 void rate_control_rate_update(struct ieee80211_local *local,
 76                                     struct ieee80211_supported_band *sband,
 77                                     struct sta_info *sta, u32 changed);
 78 
 79 static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
 80                                            struct sta_info *sta, gfp_t gfp)
 81 {
 82         spin_lock_init(&sta->rate_ctrl_lock);
 83         return ref->ops->alloc_sta(ref->priv, &sta->sta, gfp);
 84 }
 85 
 86 static inline void rate_control_free_sta(struct sta_info *sta)
 87 {
 88         struct rate_control_ref *ref = sta->rate_ctrl;
 89         struct ieee80211_sta *ista = &sta->sta;
 90         void *priv_sta = sta->rate_ctrl_priv;
 91 
 92         ref->ops->free_sta(ref->priv, ista, priv_sta);
 93 }
 94 
 95 static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
 96 {
 97 #ifdef CONFIG_MAC80211_DEBUGFS
 98         struct rate_control_ref *ref = sta->rate_ctrl;
 99         if (ref && sta->debugfs_dir && ref->ops->add_sta_debugfs)
100                 ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
101                                           sta->debugfs_dir);
102 #endif
103 }
104 
105 static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
106 {
107 #ifdef CONFIG_MAC80211_DEBUGFS
108         struct rate_control_ref *ref = sta->rate_ctrl;
109         if (ref && ref->ops->remove_sta_debugfs)
110                 ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
111 #endif
112 }
113 
114 /* Get a reference to the rate control algorithm. If `name' is NULL, get the
115  * first available algorithm. */
116 int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
117                                  const char *name);
118 void rate_control_deinitialize(struct ieee80211_local *local);
119 
120 
121 /* Rate control algorithms */
122 #ifdef CONFIG_MAC80211_RC_MINSTREL
123 int rc80211_minstrel_init(void);
124 void rc80211_minstrel_exit(void);
125 #else
126 static inline int rc80211_minstrel_init(void)
127 {
128         return 0;
129 }
130 static inline void rc80211_minstrel_exit(void)
131 {
132 }
133 #endif
134 
135 #ifdef CONFIG_MAC80211_RC_MINSTREL_HT
136 int rc80211_minstrel_ht_init(void);
137 void rc80211_minstrel_ht_exit(void);
138 #else
139 static inline int rc80211_minstrel_ht_init(void)
140 {
141         return 0;
142 }
143 static inline void rc80211_minstrel_ht_exit(void)
144 {
145 }
146 #endif
147 
148 
149 #endif /* IEEE80211_RATE_H */
150 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp