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_none.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2010 Bernhard Schmidt <bschmidt@FreeBSD.org>
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  */
   27 
   28 #include <sys/cdefs.h>
   29 __FBSDID("$FreeBSD: releng/12.0/sys/net80211/ieee80211_ratectl_none.c 326272 2017-11-27 15:23:17Z pfg $");
   30 
   31 #include "opt_wlan.h"
   32 
   33 #include <sys/param.h>
   34 #include <sys/systm.h>
   35 #include <sys/kernel.h>
   36 #include <sys/malloc.h>
   37 #include <sys/module.h>
   38 #include <sys/socket.h>
   39 #include <sys/sysctl.h>
   40 
   41 #include <net/if.h>
   42 #include <net/if_media.h>
   43 #include <net/ethernet.h>
   44 
   45 #ifdef INET
   46 #include <netinet/in.h>
   47 #include <netinet/if_ether.h>
   48 #endif
   49 
   50 #include <net80211/ieee80211_var.h>
   51 #include <net80211/ieee80211_ratectl.h>
   52 
   53 static void
   54 none_init(struct ieee80211vap *vap)
   55 {
   56 }
   57 
   58 static void
   59 none_deinit(struct ieee80211vap *vap)
   60 {
   61         IEEE80211_FREE(vap->iv_rs, M_80211_RATECTL);
   62 }
   63 
   64 static void
   65 none_node_init(struct ieee80211_node *ni)
   66 {
   67         ni->ni_txrate = ni->ni_rates.rs_rates[0] & IEEE80211_RATE_VAL;
   68 }
   69 
   70 static void
   71 none_node_deinit(struct ieee80211_node *ni)
   72 {
   73 }
   74 
   75 static int
   76 none_rate(struct ieee80211_node *ni, void *arg __unused, uint32_t iarg __unused)
   77 {
   78         int rix = 0;
   79 
   80         ni->ni_txrate = ni->ni_rates.rs_rates[rix] & IEEE80211_RATE_VAL;
   81         return rix;
   82 }
   83 
   84 static void
   85 none_tx_complete(const struct ieee80211_node *ni,
   86     const struct ieee80211_ratectl_tx_status *status)
   87 {
   88 }
   89 
   90 static void
   91 none_tx_update(struct ieee80211vap *vap,
   92     struct ieee80211_ratectl_tx_stats *stats)
   93 {
   94 }
   95 
   96 static void
   97 none_setinterval(const struct ieee80211vap *vap, int msecs)
   98 {
   99 }
  100 
  101 /* number of references from net80211 layer */
  102 static  int nrefs = 0;
  103 
  104 static const struct ieee80211_ratectl none = {
  105         .ir_name        = "none",
  106         .ir_attach      = NULL,
  107         .ir_detach      = NULL,
  108         .ir_init        = none_init,
  109         .ir_deinit      = none_deinit,
  110         .ir_node_init   = none_node_init,
  111         .ir_node_deinit = none_node_deinit,
  112         .ir_rate        = none_rate,
  113         .ir_tx_complete = none_tx_complete,
  114         .ir_tx_update   = none_tx_update,
  115         .ir_setinterval = none_setinterval,
  116 };
  117 IEEE80211_RATECTL_MODULE(ratectl_none, 1);
  118 IEEE80211_RATECTL_ALG(none, IEEE80211_RATECTL_NONE, none);

Cache object: 77e141abf5b1f71ede4f2cc1ba64c9ef


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