summaryrefslogtreecommitdiffstats
path: root/net/mac80211/ieee80211_rate.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211/ieee80211_rate.c')
-rw-r--r--net/mac80211/ieee80211_rate.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211_rate.c b/net/mac80211/ieee80211_rate.c
index 2118de04fc35..93abb8fff141 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"
@@ -137,3 +138,43 @@ 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);
+}