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l2_switch_v1_3.py fixes #179

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l2_switch_v1_3.py fixes #179

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25aff5d
l2_switch_v1_3: avoid sending a packet back to in_port
yamt Oct 9, 2013
829fa7e
l2_switch_v1_3: use the correct no_buffer macro
yamt Oct 9, 2013
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10 changes: 5 additions & 5 deletions scripts/ryu/l2_switch_v1_3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@ def create_flow_mod(self, datapath, priority,
flow_mod = datapath.ofproto_parser.OFPFlowMod(datapath, 0, 0, table_id,
ofproto.OFPFC_ADD, 0, 0,
priority,
ofproto.OFPCML_NO_BUFFER,
ofproto.OFP_NO_BUFFER,
ofproto.OFPP_ANY,
OFPG_ANY, 0,
match, instructions)
Expand Down Expand Up @@ -81,7 +81,7 @@ def _packet_in_handler(self, ev):
self.install_dst_entry(datapath, in_port, eth_src)

# Flood
self.flood(datapath, msg.data)
self.flood(datapath, in_port, msg.data)

def install_src_entry(self, datapath, in_port, eth_src):
"""Install flow entry matching on eth_src in table 0."""
Expand All @@ -105,13 +105,13 @@ def install_dst_entry(self, datapath, in_port, eth_src):
flow_mod = self.create_flow_mod(datapath, 123, 1, match, [write])
datapath.send_msg(flow_mod)

def flood(self, datapath, data):
def flood(self, datapath, in_port, data):
"""Send a packet_out with output to all ports."""
parser = datapath.ofproto_parser
ofproto = datapath.ofproto
output_all = parser.OFPActionOutput(ofproto.OFPP_ALL,
ofproto.OFPCML_NO_BUFFER)
packet_out = parser.OFPPacketOut(datapath, 0xffffffff,
ofproto.OFPP_CONTROLLER,
packet_out = parser.OFPPacketOut(datapath, ofproto.OFP_NO_BUFFER,
in_port,
[output_all], data)
datapath.send_msg(packet_out)