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-rw-r--r--ryu/ofproto/ofproto_v1_4.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/ryu/ofproto/ofproto_v1_4.py b/ryu/ofproto/ofproto_v1_4.py
index 47c2f1ac..345846e4 100644
--- a/ryu/ofproto/ofproto_v1_4.py
+++ b/ryu/ofproto/ofproto_v1_4.py
@@ -1473,6 +1473,15 @@ OFP_BUNDLE_ADD_MSG_SIZE = 24
assert (calcsize(OFP_BUNDLE_ADD_MSG_PACK_STR) + OFP_HEADER_SIZE ==
OFP_BUNDLE_ADD_MSG_SIZE)
+# Note: struct ofp_prop_experimenter is specific to this implementation.
+# It does not have a corresponding structure in the specification.
+# This structure defines common structure for ofp_*_prop_experimenter.
+# struct ofp_prop_experimenter
+OFP_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_PROP_EXPERIMENTER_SIZE)
+
# define constants
OFP_VERSION = 0x05
OFP_TCP_PORT = 6653