def _get_ofport(self, port_name):
ovs = Utils.get_ovs_bridge(self._datapath)
if ovs is None:
return None
try:
port_no = ovs.get_ofport(port_name)
except AssertionError as error:
self.logger.debug(
'Cannot get port number for %s: %s',
port_name,
error,
)
return None
except Exception as e: # pylint: disable=broad-except
self.logger.debug(
'Cannot get port number for %s: %s',
port_name,
e,
)
return None
return port_no
def _add_gtp_port(self, gnb_ip):
if not self.config.multi_tunnel_flag:
return self.config.gtp_port
port_name = self._ip_addr_to_gtp_port_name(gnb_ip)
# If GTP port already exists, returns OFPort number
gtpport = self._get_ofport(port_name)
if gtpport is not None:
return gtpport
ovs = Utils.get_ovs_bridge(self._datapath)
if ovs is None:
return None
port_name = self._ip_addr_to_gtp_port_name(gnb_ip)
ovs.add_tunnel_port(port_name, self.ovs_gtp_type, gnb_ip, key="flow")
return self._get_ofport(port_name)
