X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fmac80211%2Fieee80211_rate.c;h=a1ded7449784d8c25361d4d49056e04f9d6ba000;hb=c96fd3d461fa495400df24be3b3b66f0e0b152f9;hp=16e850864b8a97184497c3bd830325ea6f5b179d;hpb=5c34202b8bf942da411b6599668a76b07449bbfd;p=linux-2.6-omap-h63xx.git

diff --git a/net/mac80211/ieee80211_rate.c b/net/mac80211/ieee80211_rate.c
index 16e850864b8..a1ded744978 100644
--- a/net/mac80211/ieee80211_rate.c
+++ b/net/mac80211/ieee80211_rate.c
@@ -9,6 +9,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/rtnetlink.h>
 #include "ieee80211_rate.h"
 #include "ieee80211_i.h"
 
@@ -24,11 +25,10 @@ int ieee80211_rate_control_register(struct rate_control_ops *ops)
 {
 	struct rate_control_alg *alg;
 
-	alg = kmalloc(sizeof(*alg), GFP_KERNEL);
+	alg = kzalloc(sizeof(*alg), GFP_KERNEL);
 	if (alg == NULL) {
 		return -ENOMEM;
 	}
-	memset(alg, 0, sizeof(*alg));
 	alg->ops = ops;
 
 	mutex_lock(&rate_ctrl_mutex);
@@ -138,3 +138,44 @@ 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) ||
+	    (local->apdev && netif_running(local->apdev)))
+		return -EBUSY;
+
+	ref = rate_control_alloc(name, local);
+	if (!ref) {
+		printk(KERN_WARNING "%s: Failed to select rate control "
+		       "algorithm\n", local->mdev->name);
+		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", local->mdev->name,
+	       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);
+}