Initial commit: OpenHarmony-v4.0-ReleaseOpenHarmony-v4.0-Release

1 files changed, 88 insertions, 0 deletions

diff --git a/net/wireless/ocb.c b/net/wireless/ocb.c
new file mode 100644
index 000000000..2d26a6d98
--- /dev/null
+++ b/net/wireless/ocb.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * 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
+ */
+
+#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 (!rdev->ops->join_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;
+}