1 files changed, 43 insertions, 0 deletions
diff --git a/tools/lib/traceevent/plugins/plugin_cfg80211.c b/tools/lib/traceevent/plugins/plugin_cfg80211.c
new file mode 100644
index 000000000000..3d43b56a6c98
--- /dev/null
+++ b/tools/lib/traceevent/plugins/plugin_cfg80211.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include <endian.h>
+#include "event-parse.h"
+
+/*
+ * From glibc endian.h, for older systems where it is not present, e.g.: RHEL5,
+ * Fedora6.
+ */
+#ifndef le16toh
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+#  define le16toh(x) (x)
+# else
+#  define le16toh(x) __bswap_16 (x)
+# endif
+#endif
+
+
+static unsigned long long
+process___le16_to_cpup(struct trace_seq *s, unsigned long long *args)
+{
+	uint16_t *val = (uint16_t *) (unsigned long) args[0];
+	return val ? (long long) le16toh(*val) : 0;
+}
+
+int TEP_PLUGIN_LOADER(struct tep_handle *tep)
+{
+	tep_register_print_function(tep,
+				    process___le16_to_cpup,
+				    TEP_FUNC_ARG_INT,
+				    "__le16_to_cpup",
+				    TEP_FUNC_ARG_PTR,
+				    TEP_FUNC_ARG_VOID);
+	return 0;
+}
+
+void TEP_PLUGIN_UNLOADER(struct tep_handle *tep)
+{
+	tep_unregister_print_function(tep, process___le16_to_cpup,
+				      "__le16_to_cpup");
+}