def _add_table_miss_flows(dpath, ofctl): """ Table miss flows. """ tables = [ (pb.FlowMod.INGRESS_PORT, pb.FlowMod.VLAN, []), (pb.FlowMod.VLAN, pb.FlowMod.POLICY_ACL, [ofaction.clear_actions()]), (pb.FlowMod.TERM_MAC, pb.FlowMod.BRIDGING, []), (pb.FlowMod.MPLS0, pb.FlowMod.MPLS1, []), (pb.FlowMod.MPLS1, -1, [ofaction.clear_actions()]), (pb.FlowMod.MPLS2, -1, [ofaction.clear_actions()]), (pb.FlowMod.MPLS_L3_TYPE, -1, [ofaction.clear_actions()]), (pb.FlowMod.MPLS_LABEL_TRUST, pb.FlowMod.MPLS_TYPE, []), (pb.FlowMod.MPLS_TYPE, pb.FlowMod.POLICY_ACL, []), (pb.FlowMod.UNICAST_ROUTING, pb.FlowMod.POLICY_ACL, []), (pb.FlowMod.MULTICAST_ROUTING, pb.FlowMod.POLICY_ACL, []), (pb.FlowMod.BRIDGING, pb.FlowMod.POLICY_ACL, []), (pb.FlowMod.POLICY_ACL, -1, []), # (pb.FlowMod.POLICY_ACL, -1, [ofaction.output(dpath.ofproto.OFPP_CONTROLLER)]), ] for talbe_id, goto_table, actions in tables: if goto_table > 0: actions.append(ofaction.goto_table(goto_table)) flow = offlow.flow_mod( match={}, actions=actions, writes=[], table_id=talbe_id, priority=fibcapi.PRIORITY_DEFAULT, ) ofctl.mod_flow_entry(dpath, flow, dpath.ofproto.OFPFC_ADD) return
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 = [] for action in entry.actions: if action.name == pb.VLANFlow.Action.PUSH_VLAN: vlan_vid = action.value | fibcapi.OFPVID_PRESENT actions.append(ofaction.push_vlan(fibcapi.ETHTYPE_VLAN_Q)) actions.append(ofaction.set_field("vlan_vid", vlan_vid)) elif action.name == pb.VLANFlow.Action.SET_VRF: actions.append(ofaction.set_vrf(action.value, use_metadata)) actions.append(ofaction.goto_table(entry.goto_table)) return actions
def setup_term_mac_flow(dpath, ofctl): """ Termination MAC flow (for setup) """ matches = [ ofmatch.Match().eth_dst(fibcapi.HWADDR_MULTICAST4_MATCH).eth_type( fibcapi.ETHTYPE_IPV4), ofmatch.Match().eth_dst(fibcapi.HWADDR_MULTICAST6_MATCH).eth_type( fibcapi.ETHTYPE_IPV6), ] actions = [ofaction.goto_table(pb.FlowMod.MULTICAST_ROUTING)] for match in matches: flow = offlow.flow_mod( match=match, actions=actions, writes=[], table_id=pb.FlowMod.TERM_MAC, priority=2, ) ofctl.mod_flow_entry(dpath, flow, dpath.ofproto.OFPFC_ADD)
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
def _add_mpls_type_flows(dpath, ofctl): """ MPLS Type builtin flows. """ datas = [ (fibcapi.MPLSTYPE_VPS, pb.FlowMod.POLICY_ACL), (fibcapi.MPLSTYPE_UNICAST, pb.FlowMod.UNICAST_ROUTING), (fibcapi.MPLSTYPE_MULTICAST, pb.FlowMod.MULTICAST_ROUTING), (fibcapi.MPLSTYPE_PHP, pb.FlowMod.POLICY_ACL), ] for mpls_type, goto_table in datas: flow = offlow.flow_mod( match=ofmatch.Match().mpls_type(mpls_type, True), actions=[ ofaction.goto_table(goto_table), ], writes=[], table_id=pb.FlowMod.MPLS_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 [] return [ofaction.goto_table(pb.FlowMod.POLICY_ACL)]
def _actions(): if not offlow.is_action_needed(dpath, cmd): return [] return [ofaction.goto_table(entry.goto_table)]