FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_ratectl_none.c

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2010 Bernhard Schmidt <bschmidt@FreeBSD.org>
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    #include "opt_wlan.h"
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/kernel.h>
    #include <sys/malloc.h>
    #include <sys/module.h>
    #include <sys/socket.h>
    #include <sys/sysctl.h>
    
    #include <net/if.h>
    #include <net/if_media.h>
    #include <net/ethernet.h>
    
    #ifdef INET
    #include <netinet/in.h>
    #include <netinet/if_ether.h>
    #endif
    
    #include <net80211/ieee80211_var.h>
    #include <net80211/ieee80211_ratectl.h>
    
    static void
    none_init(struct ieee80211vap *vap)
    {
    }
    
    static void
    none_deinit(struct ieee80211vap *vap)
    {
            IEEE80211_FREE(vap->iv_rs, M_80211_RATECTL);
    }
    
    static void
    none_node_init(struct ieee80211_node *ni)
    {
            ni->ni_txrate = ni->ni_rates.rs_rates[0] & IEEE80211_RATE_VAL;
    }
    
    static void
    none_node_deinit(struct ieee80211_node *ni)
    {
    }
    
    static int
    none_rate(struct ieee80211_node *ni, void *arg __unused, uint32_t iarg __unused)
    {
            int rix = 0;
    
            ni->ni_txrate = ni->ni_rates.rs_rates[rix] & IEEE80211_RATE_VAL;
            return rix;
    }
    
    static void
    none_tx_complete(const struct ieee80211_node *ni,
        const struct ieee80211_ratectl_tx_status *status)
    {
    }
    
    static void
    none_tx_update(struct ieee80211vap *vap,
        struct ieee80211_ratectl_tx_stats *stats)
    {
    }
    
    static void
    none_setinterval(const struct ieee80211vap *vap, int msecs)
    {
    }
   
   /* number of references from net80211 layer */
   static  int nrefs = 0;
   
   static const struct ieee80211_ratectl none = {
           .ir_name        = "none",
           .ir_attach      = NULL,
           .ir_detach      = NULL,
           .ir_init        = none_init,
           .ir_deinit      = none_deinit,
           .ir_node_init   = none_node_init,
           .ir_node_deinit = none_node_deinit,
           .ir_rate        = none_rate,
           .ir_tx_complete = none_tx_complete,
           .ir_tx_update   = none_tx_update,
           .ir_setinterval = none_setinterval,
   };
   IEEE80211_RATECTL_MODULE(ratectl_none, 1);
   IEEE80211_RATECTL_ALG(none, IEEE80211_RATECTL_NONE, none);

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