Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / net / wireless / ocb.c

diff --git a/kernel/net/wireless/ocb.c b/kernel/net/wireless/ocb.c
new file mode 100644 (file)
index 0000000..c00d4a7
--- /dev/null
+++ b/kernel/net/wireless/ocb.c
@@ -0,0 +1,88 @@
+/*
+ * OCB mode implementation
+ *
+ * Copyright: (c) 2014 Czech Technical University in Prague
+ *            (c) 2014 Volkswagen Group Research
+ * Author:    Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz>
+ * Funded by: Volkswagen Group Research
+ *
+ * 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/ieee80211.h>
+#include <net/cfg80211.h>
+#include "nl80211.h"
+#include "core.h"
+#include "rdev-ops.h"
+
+int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
+                       struct net_device *dev,
+                       struct ocb_setup *setup)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       int err;
+
+       ASSERT_WDEV_LOCK(wdev);
+
+       if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
+               return -EOPNOTSUPP;
+
+       if (WARN_ON(!setup->chandef.chan))
+               return -EINVAL;
+
+       err = rdev_join_ocb(rdev, dev, setup);
+       if (!err)
+               wdev->chandef = setup->chandef;
+
+       return err;
+}
+
+int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
+                     struct net_device *dev,
+                     struct ocb_setup *setup)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       int err;
+
+       wdev_lock(wdev);
+       err = __cfg80211_join_ocb(rdev, dev, setup);
+       wdev_unlock(wdev);
+
+       return err;
+}
+
+int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
+                        struct net_device *dev)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       int err;
+
+       ASSERT_WDEV_LOCK(wdev);
+
+       if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
+               return -EOPNOTSUPP;
+
+       if (!rdev->ops->leave_ocb)
+               return -EOPNOTSUPP;
+
+       err = rdev_leave_ocb(rdev, dev);
+       if (!err)
+               memset(&wdev->chandef, 0, sizeof(wdev->chandef));
+
+       return err;
+}
+
+int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
+                      struct net_device *dev)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       int err;
+
+       wdev_lock(wdev);
+       err = __cfg80211_leave_ocb(rdev, dev);
+       wdev_unlock(wdev);
+
+       return err;
+}