From 66f69f234ad3bf758411bc1484b7c99c2b217a8d Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Sat, 13 Apr 2013 23:47:37 +0900
Subject: lib/packet/ipv4: add constants for parse/serialize

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
---
 ryu/lib/packet/ipv4.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ryu/lib/packet/ipv4.py b/ryu/lib/packet/ipv4.py
index daf42657..4f48e931 100644
--- a/ryu/lib/packet/ipv4.py
+++ b/ryu/lib/packet/ipv4.py
@@ -23,6 +23,11 @@ from . import tcp
 from ryu.ofproto import inet
 
 
+IPV4_ADDRESS_PACK_STR = '!I'
+IPV4_ADDRESS_LEN = struct.calcsize(IPV4_ADDRESS_PACK_STR)
+IPV4_PSEUDO_HEADER_PACK_STR = '!II2xHH'
+
+
 class ipv4(packet_base.PacketBase):
     _PACK_STR = '!BBHHHBBHII'
     _MIN_LEN = struct.calcsize(_PACK_STR)
-- 
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