The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_ratectl.h

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    1 /*-
    2  * Copyright (c) 2010 Rui Paulo <rpaulo@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   24  *
   25  * $FreeBSD: releng/11.0/sys/net80211/ieee80211_ratectl.h 296925 2016-03-16 02:07:04Z adrian $
   26  */
   27 
   28 enum ieee80211_ratealgs {
   29         IEEE80211_RATECTL_AMRR          = 0,
   30         IEEE80211_RATECTL_RSSADAPT      = 1,
   31         IEEE80211_RATECTL_ONOE          = 2,
   32         IEEE80211_RATECTL_SAMPLE        = 3,
   33         IEEE80211_RATECTL_NONE          = 4,
   34         IEEE80211_RATECTL_MAX
   35 };
   36 
   37 #define IEEE80211_RATECTL_TX_SUCCESS    1
   38 #define IEEE80211_RATECTL_TX_FAILURE    0
   39 
   40 struct ieee80211_ratectl {
   41         const char *ir_name;
   42         int     (*ir_attach)(const struct ieee80211vap *);
   43         void    (*ir_detach)(const struct ieee80211vap *);
   44         void    (*ir_init)(struct ieee80211vap *);
   45         void    (*ir_deinit)(struct ieee80211vap *);
   46         void    (*ir_node_init)(struct ieee80211_node *);
   47         void    (*ir_node_deinit)(struct ieee80211_node *);
   48         int     (*ir_rate)(struct ieee80211_node *, void *, uint32_t);
   49         void    (*ir_tx_complete)(const struct ieee80211vap *,
   50                                   const struct ieee80211_node *, int,
   51                                   void *, void *);
   52         void    (*ir_tx_update)(const struct ieee80211vap *,
   53                                 const struct ieee80211_node *,
   54                                 void *, void *, void *);
   55         void    (*ir_setinterval)(const struct ieee80211vap *, int);
   56         void    (*ir_node_stats)(struct ieee80211_node *ni, struct sbuf *s);
   57 };
   58 
   59 void    ieee80211_ratectl_register(int, const struct ieee80211_ratectl *);
   60 void    ieee80211_ratectl_unregister(int);
   61 void    ieee80211_ratectl_init(struct ieee80211vap *);
   62 void    ieee80211_ratectl_set(struct ieee80211vap *, int);
   63 
   64 MALLOC_DECLARE(M_80211_RATECTL);
   65 
   66 static __inline void
   67 ieee80211_ratectl_deinit(struct ieee80211vap *vap)
   68 {
   69         vap->iv_rate->ir_deinit(vap);
   70 }
   71 
   72 static __inline void
   73 ieee80211_ratectl_node_init(struct ieee80211_node *ni)
   74 {
   75         const struct ieee80211vap *vap = ni->ni_vap;
   76 
   77         vap->iv_rate->ir_node_init(ni);
   78 }
   79 
   80 static __inline void
   81 ieee80211_ratectl_node_deinit(struct ieee80211_node *ni)
   82 {
   83         const struct ieee80211vap *vap = ni->ni_vap;
   84 
   85         vap->iv_rate->ir_node_deinit(ni);
   86 }
   87 
   88 static int __inline
   89 ieee80211_ratectl_rate(struct ieee80211_node *ni, void *arg, uint32_t iarg)
   90 {
   91         const struct ieee80211vap *vap = ni->ni_vap;
   92 
   93         return vap->iv_rate->ir_rate(ni, arg, iarg);
   94 }
   95 
   96 static __inline void
   97 ieee80211_ratectl_tx_complete(const struct ieee80211vap *vap,
   98     const struct ieee80211_node *ni, int status, void *arg1, void *arg2)
   99 {
  100         vap->iv_rate->ir_tx_complete(vap, ni, status, arg1, arg2);
  101 }
  102 
  103 static __inline void
  104 ieee80211_ratectl_tx_update(const struct ieee80211vap *vap,
  105     const struct ieee80211_node *ni, void *arg1, void *arg2, void *arg3)
  106 {
  107         if (vap->iv_rate->ir_tx_update == NULL)
  108                 return;
  109         vap->iv_rate->ir_tx_update(vap, ni, arg1, arg2, arg3);
  110 }
  111 
  112 static __inline void
  113 ieee80211_ratectl_setinterval(const struct ieee80211vap *vap, int msecs)
  114 {
  115         if (vap->iv_rate->ir_setinterval == NULL)
  116                 return;
  117         vap->iv_rate->ir_setinterval(vap, msecs);
  118 }
  119 
  120 static __inline void
  121 ieee80211_ratectl_node_stats(struct ieee80211_node *ni, struct sbuf *s)
  122 {
  123         const struct ieee80211vap *vap = ni->ni_vap;
  124 
  125         if (vap->iv_rate->ir_node_stats == NULL)
  126                 return;
  127         vap->iv_rate->ir_node_stats(ni, s);
  128 }

Cache object: 7c8431708d7bcd31f6db0a7665128a18


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