diff options
author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-05-26 16:35:32 +0000 |
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committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-05-26 16:35:32 +0000 |
commit | 70fa84417711d7ee24118e5ee94b0056448ab9b5 (patch) | |
tree | e4d382193c9be135bcea783d57f767f5aedb1265 /package/d80211/src/ieee80211_rate.c | |
parent | 168ecbc98b416cbf405f51e1e06858dc03ab186b (diff) |
nuke the old d80211 backport - will be replaced soon
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7340 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/d80211/src/ieee80211_rate.c')
-rw-r--r-- | package/d80211/src/ieee80211_rate.c | 140 |
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 16e850864..000000000 --- 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); -} |