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https://github.com/proski/madwifi
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e408c071a2
Use CONFIG_LOCALVERSION as an alternative to check that the configuration settings have been included. git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@4134 0192ed92-7a03-0410-a25b-9323aeb14dbd
122 lines
3.7 KiB
C
122 lines
3.7 KiB
C
/*-
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* Copyright (c) 2007 Pavel Roskin
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef EXPORT_SYMTAB
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#define EXPORT_SYMTAB
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#endif
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/*
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* Atheros module glue for rate control algorithms.
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*/
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#if !defined(AUTOCONF_INCLUDED) && !defined(CONFIG_LOCALVERSION)
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#include <linux/config.h>
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#endif
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#include <linux/version.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <net80211/if_media.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_rate.h>
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static const char *module_names[] = {
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[IEEE80211_RATE_AMRR] = "ath_rate_amrr",
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[IEEE80211_RATE_MINSTREL] = "ath_rate_minstrel",
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[IEEE80211_RATE_ONOE] = "ath_rate_onoe",
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[IEEE80211_RATE_SAMPLE] = "ath_rate_sample"
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};
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/*
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* Table of registered rate controllers.
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*/
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static struct ieee80211_rate_ops ratectls[IEEE80211_RATE_MAX];
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int ieee80211_rate_register(struct ieee80211_rate_ops *ops)
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{
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int id = ops->ratectl_id;
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if ((0 <= id) && (id < IEEE80211_RATE_MAX)) {
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memcpy(&ratectls[id], ops, sizeof(*ops));
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return 0;
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}
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return -EINVAL;
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}
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EXPORT_SYMBOL(ieee80211_rate_register);
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void ieee80211_rate_unregister(struct ieee80211_rate_ops *ops)
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{
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int id = ops->ratectl_id;
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if ((0 <= id) && (id < IEEE80211_RATE_MAX))
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memset(&ratectls[id], 0, sizeof(ratectls[0]));
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}
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EXPORT_SYMBOL(ieee80211_rate_unregister);
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struct ath_ratectrl *ieee80211_rate_attach(struct ath_softc *sc,
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const char *name)
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{
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int id;
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char buf[64];
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struct ath_ratectrl *ctl;
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snprintf(buf, sizeof(buf), "ath_rate_%s", name);
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for (id = 0; id < IEEE80211_RATE_MAX; id++) {
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if (strcmp(buf, module_names[id]) == 0)
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break;
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}
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if (id >= IEEE80211_RATE_MAX) {
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printk(KERN_ERR "Module \"%s\" is not known\n", buf);
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return NULL;
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}
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if (!ratectls[id].attach)
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ieee80211_load_module(buf);
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if (!ratectls[id].attach) {
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printk(KERN_ERR "Error loading module \"%s\"\n", buf);
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return NULL;
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}
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ctl = ratectls[id].attach(sc);
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if (!ctl) {
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printk(KERN_ERR "Module \"%s\" failed to initialize\n", buf);
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return NULL;
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}
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ctl->ops = &ratectls[id];
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return ctl;
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}
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EXPORT_SYMBOL(ieee80211_rate_attach);
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void ieee80211_rate_detach(struct ath_ratectrl *ctl) {
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ctl->ops->detach(ctl);
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}
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EXPORT_SYMBOL(ieee80211_rate_detach);
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