def add_port(self, port):
ofmsgs = []
if port.vlans():
mirror_act = port.mirror_actions()
tagged_ofmsgs = []
for vlan in port.tagged_vlans:
tagged_ofmsgs.append(
self._port_add_vlan_rules(port,
vlan,
mirror_act,
push_vlan=False))
untagged_ofmsgs = []
native_vlan = self._native_vlan(port)
if native_vlan is not None:
untagged_ofmsgs.append(
self._port_add_vlan_rules(port, native_vlan, mirror_act))
# If no untagged VLANs, add explicit drop rule for untagged packets.
if port.count_untag_vlan_miss and not untagged_ofmsgs:
untagged_ofmsgs.append(
self.vlan_table.flowmod(self.vlan_table.match(
in_port=port.number, vlan=NullVLAN()),
priority=self.low_priority))
ofmsgs.extend(tagged_ofmsgs)
ofmsgs.extend(untagged_ofmsgs)
if port.lacp:
ofmsgs.append(
self.vlan_table.flowcontroller(
self.vlan_table.match(
in_port=port.number,
eth_type=valve_of.ether.ETH_TYPE_SLOW,
eth_dst=valve_packet.SLOW_PROTOCOL_MULTICAST),
priority=self.dp_highest_priority,
max_len=valve_packet.LACP_SIZE))
ofmsgs.extend(self.lacp_advertise(port))
return ofmsgs
def add_port(self, port):
ofmsgs = super().add_port(port)
# If this is a stacking port, accept all VLANs (came from another FAUCET)
if port.stack:
# Actual stack traffic will have VLAN tags.
ofmsgs.append(
self.vlan_table.flowdrop(match=self.vlan_table.match(
in_port=port.number, vlan=NullVLAN()),
priority=self.low_priority + 1))
ofmsgs.append(
self.vlan_table.flowmod(
match=self.vlan_table.match(in_port=port.number),
priority=self.low_priority,
inst=self.pipeline.accept_to_classification()))
return ofmsgs
def _port_add_vlan_rules(self, port, vlan, mirror_act, push_vlan=True):
actions = copy.copy(mirror_act)
match_vlan = vlan
if push_vlan:
actions.extend(valve_of.push_vlan_act(
self.vlan_table, vlan.vid))
match_vlan = NullVLAN()
if self.has_externals:
if port.loop_protect_external:
actions.append(self.vlan_table.set_no_external_forwarding_requested())
else:
actions.append(self.vlan_table.set_external_forwarding_requested())
inst = (
valve_of.apply_actions(actions),
self.vlan_table.goto(self._find_forwarding_table(vlan)))
return self.vlan_table.flowmod(
self.vlan_table.match(in_port=port.number, vlan=match_vlan),
priority=self.low_priority, inst=inst)
def del_port(self, port):
ofmsgs = []
if port.vlans():
ofmsgs.extend(self._del_host_flows(port))
native_vlan = self._native_vlan(port)
if native_vlan is not None or port.count_untag_vlan_miss:
ofmsgs.append(self.vlan_table.flowdel(
self.vlan_table.match(in_port=port.number, vlan=NullVLAN()),
priority=self.low_priority))
for vlan in port.tagged_vlans:
ofmsgs.append(self.vlan_table.flowdel(
self.vlan_table.match(in_port=port.number, vlan=vlan),
priority=self.low_priority))
if port.lacp:
ofmsgs.append(self.vlan_table.flowdel(
self._lacp_match(port),
priority=self.dp_highest_priority))
return ofmsgs
def add_port(self, port):
if port.vlans():
mirror_act = port.mirror_actions()
tagged_ofmsgs = []
for vlan in port.tagged_vlans:
tagged_ofmsgs.append(self._port_add_vlan_rules(
port, vlan, mirror_act, push_vlan=False))
untagged_ofmsgs = []
native_vlan = self._native_vlan(port)
if native_vlan is not None:
untagged_ofmsgs.append(self._port_add_vlan_rules(
port, native_vlan, mirror_act))
# If no untagged VLANs, add explicit drop rule for untagged packets.
if port.count_untag_vlan_miss and not untagged_ofmsgs:
untagged_ofmsgs.append(self.vlan_table.flowmod(
self.vlan_table.match(in_port=port.number, vlan=NullVLAN()),
priority=self.low_priority))
return tagged_ofmsgs + untagged_ofmsgs
return []
def add_port(self, port):
ofmsgs = []
if port.vlans():
mirror_act = port.mirror_actions()
for vlan in port.tagged_vlans:
ofmsgs.append(self._port_add_vlan_rules(
port, vlan, mirror_act, push_vlan=False))
native_vlan = self._native_vlan(port)
if native_vlan is not None:
ofmsgs.append(self._port_add_vlan_rules(
port, native_vlan, mirror_act))
# If no untagged VLANs, add explicit drop rule for untagged packets.
elif port.count_untag_vlan_miss:
ofmsgs.append(self.vlan_table.flowdrop(
self.vlan_table.match(in_port=port.number, vlan=NullVLAN()),
priority=self.low_priority))
if port.lacp:
ofmsgs.append(self.vlan_table.flowcontroller(
self._lacp_match(port),
priority=self.dp_highest_priority,
max_len=valve_packet.LACP_SIZE))
ofmsgs.extend(self.lacp_advertise(port))
return ofmsgs
