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author | Johannes Berg <johannes@sipsolutions.net> | 2008-04-08 15:14:40 -0400 |
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committer | John W. Linville <linville@tuxdriver.com> | 2008-04-08 16:44:45 -0400 |
commit | 2c8dccc77420fb7433da5674818959d3499d35be (patch) | |
tree | 2da037732b78a4796254b485f0c591d9625b7d1e /net/mac80211/ieee80211_rate.c | |
parent | 3b96766f0e643f52ae19e134664df6730c737e87 (diff) | |
download | talos-op-linux-2c8dccc77420fb7433da5674818959d3499d35be.tar.gz talos-op-linux-2c8dccc77420fb7433da5674818959d3499d35be.zip |
mac80211: rename files
This patch renames all mac80211 files (except ieee80211_i.h) to get rid
of the useless ieee80211_ prefix.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/ieee80211_rate.c')
-rw-r--r-- | net/mac80211/ieee80211_rate.c | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/net/mac80211/ieee80211_rate.c b/net/mac80211/ieee80211_rate.c deleted file mode 100644 index 4de06f128d90..000000000000 --- a/net/mac80211/ieee80211_rate.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * Copyright 2002-2005, Instant802 Networks, Inc. - * Copyright 2005-2006, Devicescape Software, Inc. - * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/rtnetlink.h> -#include "ieee80211_rate.h" -#include "ieee80211_i.h" - -struct rate_control_alg { - struct list_head list; - struct rate_control_ops *ops; -}; - -static LIST_HEAD(rate_ctrl_algs); -static DEFINE_MUTEX(rate_ctrl_mutex); - -static char *ieee80211_default_rc_algo = CONFIG_MAC80211_RC_DEFAULT; -module_param(ieee80211_default_rc_algo, charp, 0644); -MODULE_PARM_DESC(ieee80211_default_rc_algo, - "Default rate control algorithm for mac80211 to use"); - -int ieee80211_rate_control_register(struct rate_control_ops *ops) -{ - struct rate_control_alg *alg; - - if (!ops->name) - return -EINVAL; - - mutex_lock(&rate_ctrl_mutex); - list_for_each_entry(alg, &rate_ctrl_algs, list) { - if (!strcmp(alg->ops->name, ops->name)) { - /* don't register an algorithm twice */ - WARN_ON(1); - mutex_unlock(&rate_ctrl_mutex); - return -EALREADY; - } - } - - alg = kzalloc(sizeof(*alg), GFP_KERNEL); - if (alg == NULL) { - mutex_unlock(&rate_ctrl_mutex); - return -ENOMEM; - } - alg->ops = ops; - - list_add_tail(&alg->list, &rate_ctrl_algs); - mutex_unlock(&rate_ctrl_mutex); - - return 0; -} -EXPORT_SYMBOL(ieee80211_rate_control_register); - -void ieee80211_rate_control_unregister(struct rate_control_ops *ops) -{ - struct rate_control_alg *alg; - - mutex_lock(&rate_ctrl_mutex); - list_for_each_entry(alg, &rate_ctrl_algs, list) { - if (alg->ops == ops) { - list_del(&alg->list); - kfree(alg); - break; - } - } - mutex_unlock(&rate_ctrl_mutex); -} -EXPORT_SYMBOL(ieee80211_rate_control_unregister); - -static struct rate_control_ops * -ieee80211_try_rate_control_ops_get(const char *name) -{ - struct rate_control_alg *alg; - struct rate_control_ops *ops = NULL; - - if (!name) - return NULL; - - mutex_lock(&rate_ctrl_mutex); - list_for_each_entry(alg, &rate_ctrl_algs, list) { - if (!strcmp(alg->ops->name, name)) - if (try_module_get(alg->ops->module)) { - ops = alg->ops; - break; - } - } - mutex_unlock(&rate_ctrl_mutex); - return ops; -} - -/* Get the rate control algorithm. */ -static struct rate_control_ops * -ieee80211_rate_control_ops_get(const char *name) -{ - struct rate_control_ops *ops; - const char *alg_name; - - if (!name) - alg_name = ieee80211_default_rc_algo; - else - alg_name = name; - - ops = ieee80211_try_rate_control_ops_get(alg_name); - if (!ops) { - request_module("rc80211_%s", alg_name); - ops = ieee80211_try_rate_control_ops_get(alg_name); - } - if (!ops && name) - /* try default if specific alg requested but not found */ - ops = ieee80211_try_rate_control_ops_get(ieee80211_default_rc_algo); - - /* try built-in one if specific alg requested but not found */ - if (!ops && strlen(CONFIG_MAC80211_RC_DEFAULT)) - ops = ieee80211_try_rate_control_ops_get(CONFIG_MAC80211_RC_DEFAULT); - - return ops; -} - -static void ieee80211_rate_control_ops_put(struct rate_control_ops *ops) -{ - module_put(ops->module); -} - -struct rate_control_ref *rate_control_alloc(const char *name, - struct ieee80211_local *local) -{ - struct rate_control_ref *ref; - - ref = kmalloc(sizeof(struct rate_control_ref), GFP_KERNEL); - if (!ref) - goto fail_ref; - kref_init(&ref->kref); - ref->ops = ieee80211_rate_control_ops_get(name); - if (!ref->ops) - goto fail_ops; - ref->priv = ref->ops->alloc(local); - if (!ref->priv) - goto fail_priv; - return ref; - -fail_priv: - ieee80211_rate_control_ops_put(ref->ops); -fail_ops: - kfree(ref); -fail_ref: - return NULL; -} - -static void rate_control_release(struct kref *kref) -{ - struct rate_control_ref *ctrl_ref; - - ctrl_ref = container_of(kref, struct rate_control_ref, kref); - ctrl_ref->ops->free(ctrl_ref->priv); - ieee80211_rate_control_ops_put(ctrl_ref->ops); - kfree(ctrl_ref); -} - -void rate_control_get_rate(struct net_device *dev, - struct ieee80211_supported_band *sband, - struct sk_buff *skb, - struct rate_selection *sel) -{ - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct rate_control_ref *ref = local->rate_ctrl; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct sta_info *sta; - int i; - - rcu_read_lock(); - sta = sta_info_get(local, hdr->addr1); - - memset(sel, 0, sizeof(struct rate_selection)); - - ref->ops->get_rate(ref->priv, dev, sband, skb, sel); - - /* Select a non-ERP backup rate. */ - if (!sel->nonerp) { - for (i = 0; i < sband->n_bitrates; i++) { - struct ieee80211_rate *rate = &sband->bitrates[i]; - if (sel->rate->bitrate < rate->bitrate) - break; - - if (rate_supported(sta, sband->band, i) && - !(rate->flags & IEEE80211_RATE_ERP_G)) - sel->nonerp = rate; - } - } - - rcu_read_unlock(); -} - -struct rate_control_ref *rate_control_get(struct rate_control_ref *ref) -{ - kref_get(&ref->kref); - return ref; -} - -void rate_control_put(struct rate_control_ref *ref) -{ - kref_put(&ref->kref, rate_control_release); -} - -int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, - const char *name) -{ - struct rate_control_ref *ref, *old; - - ASSERT_RTNL(); - if (local->open_count || netif_running(local->mdev)) - return -EBUSY; - - ref = rate_control_alloc(name, local); - if (!ref) { - printk(KERN_WARNING "%s: Failed to select rate control " - "algorithm\n", wiphy_name(local->hw.wiphy)); - return -ENOENT; - } - - old = local->rate_ctrl; - local->rate_ctrl = ref; - if (old) { - rate_control_put(old); - sta_info_flush(local, NULL); - } - - printk(KERN_DEBUG "%s: Selected rate control " - "algorithm '%s'\n", wiphy_name(local->hw.wiphy), - ref->ops->name); - - - return 0; -} - -void rate_control_deinitialize(struct ieee80211_local *local) -{ - struct rate_control_ref *ref; - - ref = local->rate_ctrl; - local->rate_ctrl = NULL; - rate_control_put(ref); -} - |