def _add_mpls_l3_type_php_flows(dpath, ofctl):
# L3 VPN Forward (IPv4) based on this label (PHP)
flow = offlow.flow_mod(
match=ofmatch.Match().eth_type(fibcapi.ETHTYPE_MPLS).mpls_type(
fibcapi.MPLSTYPE_PHP, True),
actions=[
ofaction.pop_mpls(fibcapi.ETHTYPE_IPV4),
ofaction.goto_table(pb.FlowMod.MPLS_LABEL_TRUST),
],
writes=[],
table_id=pb.FlowMod.MPLS_L3_TYPE,
priority=5,
)
ofctl.mod_flow_entry(dpath, flow, dpath.ofproto.OFPFC_ADD)
return
def _add_mpls_l3_type_l3vpn_flows(dpath, ofctl):
# L3 VPN Route (IPv4 Unicast)
flow = offlow.flow_mod(
match=ofmatch.Match().eth_type(fibcapi.ETHTYPE_MPLS),
actions=[
ofaction.set_mpls_type(fibcapi.MPLSTYPE_UNICAST, True),
ofaction.pop_mpls(fibcapi.ETHTYPE_IPV4),
ofaction.goto_table(pb.FlowMod.MPLS_LABEL_TRUST),
],
writes=[],
table_id=pb.FlowMod.MPLS_L3_TYPE,
priority=1,
)
ofctl.mod_flow_entry(dpath, flow, dpath.ofproto.OFPFC_ADD)
return
def _actions():
if not offlow.is_action_needed(dpath, cmd):
return []
actions = [
ofaction.goto_table(entry.goto_table),
ofaction.dec_mpls_ttl(),
]
if entry.goto_table == pb.FlowMod.MPLS_TYPE:
actions.append(
ofaction.set_mpls_type(fibcapi.MPLSTYPE_PHP, use_metadata))
for action in entry.actions:
if action.name == pb.MPLSFlow.Action.POP_LABEL:
actions.append(ofaction.pop_mpls(action.value))
elif action.name == pb.MPLSFlow.Action.SET_VRF:
actions.append(ofaction.set_vrf(action.value, use_metadata))
return actions