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| | OpenFlow1.3 flow table for OFAgent | | OpenFlow1.3 flow table for OFAgent |
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| − | WIP implementation: https://github.com/yamt/neutron/tree/ofagent-merge-bridges
| + | moved to: http://git.openstack.org/cgit/openstack/neutron/tree/neutron/plugins/ofagent/agent/flows.py |
| − | | |
| − | * requirements
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| − | ** plain OpenFlow 1.3. no vendor extensions.
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| − | | |
| − | * todo: VXLAN (same as GRE?)
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| − | | |
| − | * legends
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| − | xxx: network id (agent internal use)
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| − | yyy: segment id (vlan id, gre key, ...)
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| − | a,b,c: tunnel port (tun_br_ofports, map[net_id].tun_ofports)
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| − | i,j,k: vm port (map[net_id].vif_ports[vif_id].ofport)
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| − | x,y,z: physical port (int_ofports)
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| − | N: tunnel type (0 for TYPE_GRE, 1 for TYPE_xxx, ...)
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| − | uuu: unicast l2 address
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| − | | |
| − | * tables (in order)
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| − | CHECK_IN_PORT
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| − | CHECK_NETWORK+N
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| − | ARP_PROXY
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| − | TUNNEL_OUT
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| − | TUNNEL_OUT_FLOOD+N
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| − | LOCAL_OUT
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| − | LOCAL_OUT_FLOOD
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| − | | |
| − | * CHECK_IN_PORT
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| − | | |
| − | for each vm ports:
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| − | in_port=i, write_metadata(xxx),goto(ARP_PROXY) // port_bound
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| − | TYPE_GRE
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| − | for each tunnel ports:
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| − | in_port=a, goto(CHECK_NETWORK+N) // setup_tunnel_port
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| − | TYPE_VLAN
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| − | for each physical ports:
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| − | in_port=x, goto(CHECK_NETWORK+N)
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| − | TYPE_FLAT
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| − | in_port=x, goto(CHECK_NETWORK+N)
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| − | default drop
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| − | | |
| − | * CHECK_NETWORK+N. (per tunnel types) tunnel/vlan -> network
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| − | | |
| − | TYPE_GRE
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| − | for each networks: // _provision_local_vlan_inbound_for_tunnel
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| − | tun_id=yyy, write_metadata(xxx),goto(LOCAL_OUT)
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| − | TYPE_VLAN
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| − | for each networks:
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| − | vlan_vid=present|yyy, write_metadata(xxx),pop_vlan,goto(LOCAL_OUT)
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| − | TYPE_FLAT
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| − | vlan_vid=none, write_metadata(xxx),pop_vlan,goto(LOCAL_OUT)
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| − | default drop
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| − | | |
| − | * ARP_PROXY
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| − | ** todo: local arp responder
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| − | | |
| − | default goto(TUNNEL_OUT)
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| − | | |
| − | * TUNNEL_OUT
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| − | TYPE_GRE
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| − | metadata=xxx,eth_dst=uuu set_tunnel(yyy),output:a // _add_fdb_flow
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| − | TYPE_VLAN
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| − | metadata=xxx,eth_dst=uuu push_vlan,set_field:present|yyy->vlan_vid,output:a
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| − | | |
| − | default goto(TUNNEL_OUT_FLOOD+0)
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| − | | |
| − | * TUNNEL_OUT_FLOOD+N. (per tunnel types)
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| − | | |
| − | network -> tunnel/vlan
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| − | output to tunnel/physical ports
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| − | "next table" might be LOCAL_OUT
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| − | TYPE_GRE
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| − | for each networks: // _add_fdb_flow (FLOODING_ENTRY)
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| − | metadata=xxx, set_tunnel(yyy),output:a,b,c,goto(next table)
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| − | TYPE_VLAN
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| − | for each networks:
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| − | metadata=xxx, push_vlan:0x8100,set_field:present|yyy->vlan_vid,output:x,y,z,goto(next table)
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| − | TYPE_FLAT
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| − | metadata=xxx, output:x,y,z,goto(next table)
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| − | default goto(next table)
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| − | | |
| − | * LOCAL_OUT
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| − | ** todo: learning and/or l2 pop
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| − | | |
| − | for each known destinations:
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| − | metadata=xxx,eth_dst=uuu output:i
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| − | default goto(LOCAL_OUT_FLOOD)
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| − | | |
| − | * LOCAL_OUT_FLOOD
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| − | ** todo: learning and/or l2 pop
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| − | | |
| − | for each networks:
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| − | metadata=xxx, output:i,j,k // port_bound
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| − | default drop
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| − | | |
| − | * references
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| − | ** similar attempts for OVS agent https://wiki.openstack.org/wiki/Ovs-flow-logic
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| − | *** we use metadata instead of "internal" VLANs
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| − | *** we don't want to use NX learn action
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