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Diffstat (limited to 'package/d80211/src/ieee80211_rate.c')
-rw-r--r--package/d80211/src/ieee80211_rate.c140
1 files changed, 0 insertions, 140 deletions
diff --git a/package/d80211/src/ieee80211_rate.c b/package/d80211/src/ieee80211_rate.c
deleted file mode 100644
index 16e8508..0000000
--- a/package/d80211/src/ieee80211_rate.c
+++ /dev/null
@@ -1,140 +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 "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);
-
-int ieee80211_rate_control_register(struct rate_control_ops *ops)
-{
- struct rate_control_alg *alg;
-
- alg = kmalloc(sizeof(*alg), GFP_KERNEL);
- if (alg == NULL) {
- return -ENOMEM;
- }
- memset(alg, 0, sizeof(*alg));
- alg->ops = ops;
-
- mutex_lock(&rate_ctrl_mutex);
- 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);
- break;
- }
- }
- mutex_unlock(&rate_ctrl_mutex);
- kfree(alg);
-}
-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;
-
- mutex_lock(&rate_ctrl_mutex);
- list_for_each_entry(alg, &rate_ctrl_algs, list) {
- if (!name || !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. If `name' is NULL, get the first
- * available algorithm. */
-static struct rate_control_ops *
-ieee80211_rate_control_ops_get(const char *name)
-{
- struct rate_control_ops *ops;
-
- ops = ieee80211_try_rate_control_ops_get(name);
- if (!ops) {
- request_module("rc80211_%s", name ? name : "default");
- ops = ieee80211_try_rate_control_ops_get(name);
- }
- 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);
-}
-
-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);
-}