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-rw-r--r--kernel/include/linux/ipv6_route.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/kernel/include/linux/ipv6_route.h b/kernel/include/linux/ipv6_route.h
new file mode 100644
index 000000000..25b5f1f5e
--- /dev/null
+++ b/kernel/include/linux/ipv6_route.h
@@ -0,0 +1,19 @@
+/*
+ * Linux INET6 implementation
+ *
+ * Authors:
+ * Pedro Roque <roque@di.fc.ul.pt>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _LINUX_IPV6_ROUTE_H
+#define _LINUX_IPV6_ROUTE_H
+
+#include <uapi/linux/ipv6_route.h>
+
+#define IPV6_EXTRACT_PREF(flag) (((flag) & RTF_PREF_MASK) >> 27)
+#define IPV6_DECODE_PREF(pref) ((pref) ^ 2) /* 1:low,2:med,3:high */
+#endif