From 6b4a5f74702ed5768057c5e71861096f09d0b2da Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 8 Feb 2013 12:28:09 +0900
Subject: [PATCH] ryu/controller/controller: add a helper method,
 is_reserved_port()

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
---
 ryu/controller/controller.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ryu/controller/controller.py b/ryu/controller/controller.py
index 7c33e4a3..4680f9a5 100644
--- a/ryu/controller/controller.py
+++ b/ryu/controller/controller.py
@@ -290,6 +290,9 @@ class Datapath(object):
         self.send_msg(set_format)
         self.send_barrier()
 
+    def is_reserved_port(self, port_no):
+        return port_no > self.ofproto.OFPP_MAX
+
 
 def datapath_connection_factory(socket, address):
     LOG.debug('connected socket:%s address:%s', socket, address)