diff --git a/include/types/port_range.h b/include/types/port_range.h
new file mode 100644
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--- /dev/null
+++ b/include/types/port_range.h
@@ -0,0 +1,40 @@
+/*
+  include/types/port_range.h
+  This file defines everything needed to manage port ranges
+
+  Copyright (C) 2000-2009 Willy Tarreau - w@1wt.eu
+  
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation, version 2.1
+  exclusively.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _TYPES_PORT_RANGE_H
+#define _TYPES_PORT_RANGE_H
+
+#include <netinet/in.h>
+
+struct port_range {
+	int size, get, put;		/* range size, and get/put positions */
+	int avail;			/* number of available ports left */
+	uint16_t ports[0];		/* array of <size> ports, in host byte order */
+};
+
+#endif /* _TYPES_PORT_RANGE_H */
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ * End:
+ */