simple_switch: handle non-buffering switch

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

1 files changed, 5 insertions, 1 deletions

diff --git a/ryu/app/simple_switch.py b/ryu/app/simple_switch.py
index ffa8009f..8fd3d219 100644
--- a/ryu/app/simple_switch.py
+++ b/ryu/app/simple_switch.py
@@ -82,9 +82,13 @@ class SimpleSwitch(app_manager.RyuApp):
         if out_port != ofproto.OFPP_FLOOD:
             self.add_flow(datapath, msg.in_port, dst, actions)
 
+        data = None
+        if msg.buffer_id == ofproto.OFP_NO_BUFFER:
+            data = msg.data
+
         out = datapath.ofproto_parser.OFPPacketOut(
             datapath=datapath, buffer_id=msg.buffer_id, in_port=msg.in_port,
-            actions=actions)
+            actions=actions, data=data)
         datapath.send_msg(out)
 
     @set_ev_cls(ofp_event.EventOFPPortStatus, MAIN_DISPATCHER)