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-rw-r--r--ryu/ofproto/nx_match.py7
1 files changed, 4 insertions, 3 deletions
diff --git a/ryu/ofproto/nx_match.py b/ryu/ofproto/nx_match.py
index 4f7db8ab..2364780b 100644
--- a/ryu/ofproto/nx_match.py
+++ b/ryu/ofproto/nx_match.py
@@ -20,6 +20,7 @@ import struct
from ryu import exception
from ryu.lib import mac
from ryu.lib.pack_utils import msg_pack_into
+from . import ofproto_parser
from . import ofproto_v1_0
from . import inet
@@ -62,7 +63,7 @@ _MF_FIELDS = {}
FLOW_N_REGS = 8 # ovs 1.5
-class Flow(object):
+class Flow(ofproto_parser.StringifyMixin):
def __init__(self):
self.in_port = 0
self.dl_vlan = 0
@@ -92,7 +93,7 @@ class Flow(object):
self.pkt_mark = 0
-class FlowWildcards(object):
+class FlowWildcards(ofproto_parser.StringifyMixin):
def __init__(self):
self.dl_src_mask = 0
self.dl_dst_mask = 0
@@ -114,7 +115,7 @@ class FlowWildcards(object):
self.pkt_mark_mask = 0
-class ClsRule(object):
+class ClsRule(ofproto_parser.StringifyMixin):
"""describe a matching rule for OF 1.0 OFPMatch (and NX).
"""
def __init__(self):