def update_flow_table(self, flows):
stub = ponsim_pb2.PonSimStub(self.get_channel())
self.log.info('pushing-olt-flow-table')
for flow in flows:
classifier_info = {}
for field in fd.get_ofb_fields(flow):
if field.type == fd.ETH_TYPE:
classifier_info['eth_type'] = field.eth_type
self.log.debug('field-type-eth-type',
eth_type=classifier_info['eth_type'])
elif field.type == fd.IP_PROTO:
classifier_info['ip_proto'] = field.ip_proto
self.log.debug('field-type-ip-proto',
ip_proto=classifier_info['ip_proto'])
if ('ip_proto' in classifier_info and
(classifier_info['ip_proto'] == 17
or classifier_info['ip_proto'] == 2)) or (
'eth_type' in classifier_info
and classifier_info['eth_type'] == 0x888e):
for action in fd.get_actions(flow):
if action.type == ofp.OFPAT_OUTPUT:
action.output.port = ofp.OFPP_CONTROLLER
self.log.info('out_port', out_port=fd.get_out_port(flow))
stub.UpdateFlowTable(FlowTable(port=0, flows=flows))
self.log.info('success')
def update_flow_table(self, flows):
stub = ponsim_pb2.PonSimStub(self.get_channel())
self.log.info('pushing-olt-flow-table')
stub.UpdateFlowTable(FlowTable(
port=0,
flows=flows
))
self.log.info('success')
def update_flow_table(self, flows):
stub = ponsim_pb2_grpc.PonSimStub(self.get_channel())
self.log.info('pushing-olt-flow-table')
eapol_flows = {}
eapol_flow_without_vlan = False
for flow in flows:
classifier_info = self.get_classifier_info(flow)
self.log.debug('classifier_info', classifier_info=classifier_info)
if IP_PROTO in classifier_info:
if classifier_info[IP_PROTO] == 17:
if UDP_SRC in classifier_info:
if classifier_info[UDP_SRC] == 68:
self.log.info('dhcp upstream flow add')
elif classifier_info[UDP_SRC] == 67:
self.log.info('dhcp downstream flow add')
self.to_controller(flow)
elif classifier_info[IP_PROTO] == 2:
self.log.info('igmp flow add')
self.to_controller(flow)
else:
self.log.warn("Invalid-Classifier-to-handle",
classifier_info=classifier_info)
elif ETH_TYPE in classifier_info:
if classifier_info[ETH_TYPE] == EAP_ETH_TYPE:
self.log.info('eapol flow add')
self.to_controller(flow)
if VLAN_VID in classifier_info:
eapol_flows[classifier_info[VLAN_VID]] = flow
else:
eapol_flow_without_vlan = True
# The OLT app is now adding EAPOL flows with VLAN_VID=4091 but Ponsim can't
# properly handle this because it uses VLAN_VID to encode the UNI port ID.
# Add an EAPOL trap flow with no VLAN_VID match if we see the 4091 match.
if 4091 in eapol_flows and not eapol_flow_without_vlan:
new_eapol_flow = [
fd.mk_flow_stat(
priority=10000,
match_fields=[fd.in_port(1), fd.eth_type(EAP_ETH_TYPE)],
actions=[fd.output(ofp.OFPP_CONTROLLER)]
)
]
flows.extend(new_eapol_flow)
self.log.info('add eapol flow with no VLAN_VID match')
stub.UpdateFlowTable(FlowTable(
port=0,
flows=flows
))
self.log.info('success')
def update_flow_table(self, flows):
# we need to proxy through the OLT to get to the ONU
# reset response queue
while self.incoming_messages.pending:
yield self.incoming_messages.get()
msg = FlowTable(port=self.proxy_address.channel_id, flows=flows)
self.adapter_agent.send_proxied_message(self.proxy_address, msg)
yield self.incoming_messages.get()
