AT_BANNER([learning action]) AT_SETUP([learning action - parsing and formatting]) AT_DATA([flows.txt], [[ actions=learn() actions=learn(NXM_OF_VLAN_TCI[0..11], NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[], output:NXM_OF_IN_PORT[], load:10->NXM_NX_REG0[5..10]) actions=learn(table=1,idle_timeout=10, hard_timeout=20, fin_idle_timeout=5, fin_hard_timeout=10, priority=10, cookie=0xfedcba9876543210, in_port=99,NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],load:NXM_OF_IN_PORT[]->NXM_NX_REG1[16..31]) ]]) AT_CHECK([ovs-ofctl parse-flows flows.txt], [0], [[usable protocols: any chosen protocol: OpenFlow10-table_id OFPT_FLOW_MOD (xid=0x1): ADD actions=learn(table=1) OFPT_FLOW_MOD (xid=0x2): ADD actions=learn(table=1,NXM_OF_VLAN_TCI[0..11],NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],output:NXM_OF_IN_PORT[],load:0x000a->NXM_NX_REG0[5..10]) OFPT_FLOW_MOD (xid=0x3): ADD actions=learn(table=1,idle_timeout=10,hard_timeout=20,fin_idle_timeout=5,fin_hard_timeout=10,priority=10,cookie=0xfedcba9876543210,in_port=99,NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],load:NXM_OF_IN_PORT[]->NXM_NX_REG1[16..31]) ]]) AT_CLEANUP AT_SETUP([learning action - examples]) AT_DATA([flows.txt], [[ # These are the examples from nicira-ext.h. actions=learn(in_port=99,NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[], load:NXM_OF_IN_PORT[]->NXM_NX_REG1[16..31]) actions=learn(NXM_OF_VLAN_TCI[0..11], NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],output:NXM_OF_IN_PORT[]) table=0 actions=learn(table=1,hard_timeout=10, NXM_OF_VLAN_TCI[0..11],output:NXM_OF_IN_PORT[]), resubmit(,1) table=1 priority=0 actions=flood ]]) AT_CHECK([ovs-ofctl parse-flows flows.txt], [0], [[usable protocols: OpenFlow10+table_id,NXM+table_id chosen protocol: OpenFlow10+table_id OFPT_FLOW_MOD (xid=0x1): ADD table:255 actions=learn(table=1,in_port=99,NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],load:NXM_OF_IN_PORT[]->NXM_NX_REG1[16..31]) OFPT_FLOW_MOD (xid=0x2): ADD table:255 actions=learn(table=1,NXM_OF_VLAN_TCI[0..11],NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],output:NXM_OF_IN_PORT[]) OFPT_FLOW_MOD (xid=0x3): ADD actions=learn(table=1,hard_timeout=10,NXM_OF_VLAN_TCI[0..11],output:NXM_OF_IN_PORT[]),resubmit(,1) OFPT_FLOW_MOD (xid=0x4): ADD table:1 priority=0 actions=FLOOD ]]) AT_CLEANUP AT_SETUP([learning action - satisfied prerequisites]) AT_DATA([flows.txt], [[actions=learn(eth_type=0x800,load:5->NXM_OF_IP_DST[]) ip,actions=learn(load:NXM_OF_IP_DST[]->NXM_NX_REG1[]) ip,actions=learn(eth_type=0x800,NXM_OF_IP_DST[]) ]]) AT_CHECK([ovs-ofctl parse-flows flows.txt], [0], [[usable protocols: any chosen protocol: OpenFlow10-table_id OFPT_FLOW_MOD (xid=0x1): ADD actions=learn(table=1,eth_type=0x800,load:0x00000005->NXM_OF_IP_DST[]) OFPT_FLOW_MOD (xid=0x2): ADD ip actions=learn(table=1,load:NXM_OF_IP_DST[]->NXM_NX_REG1[]) OFPT_FLOW_MOD (xid=0x3): ADD ip actions=learn(table=1,eth_type=0x800,NXM_OF_IP_DST[]) ]]) AT_CLEANUP AT_SETUP([learning action - invalid prerequisites]) AT_CHECK([[ovs-ofctl parse-flow 'actions=learn(load:5->NXM_OF_IP_DST[])']], [1], [], [[ovs-ofctl: load:5->NXM_OF_IP_DST[]: cannot specify destination field ip_dst because prerequisites are not satisfied ]]) AT_CHECK([[ovs-ofctl parse-flow 'actions=learn(load:NXM_OF_IP_DST[]->NXM_NX_REG1[])']], [1], [], [[ovs-ofctl: load:NXM_OF_IP_DST[]->NXM_NX_REG1[]: cannot specify source field ip_dst because prerequisites are not satisfied ]]) AT_CLEANUP AT_SETUP([learning action - standard VLAN+MAC learning]) OVS_VSWITCHD_START( [add-port br0 eth0 -- set Interface eth0 type=dummy -- \ add-port br0 eth1 -- set Interface eth1 type=dummy -- \ add-port br0 eth2 -- set Interface eth2 type=dummy]) # Set up flow table for VLAN+MAC learning. AT_DATA([flows.txt], [[ table=0 actions=learn(table=1, hard_timeout=60, NXM_OF_VLAN_TCI[0..11], NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[], output:NXM_OF_IN_PORT[]), resubmit(,1) table=1 priority=0 actions=flood ]]) AT_CHECK([ovs-ofctl add-flows br0 flows.txt]) # Trace an ARP packet arriving on port 3, to create a MAC learning entry. AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(3),eth(src=50:54:00:00:00:05,dst=ff:ff:ff:ff:ff:ff),eth_type(0x0806),arp(sip=192.168.0.1,tip=192.168.0.2,op=1,sha=50:54:00:00:00:05,tha=00:00:00:00:00:00)' -generate], [0], [stdout]) AT_CHECK([tail -1 stdout], [0], [Datapath actions: 2,0,1 ]) # Check for the MAC learning entry. AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip | sort], [0], [dnl table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:3 table=1, priority=0 actions=FLOOD NXST_FLOW reply: ]) # Trace a packet arrival destined for the learned MAC. # (This will also learn a MAC.) AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(1),eth(src=50:54:00:00:00:06,dst=50:54:00:00:00:05),eth_type(0x0806),arp(sip=192.168.0.2,tip=192.168.0.1,op=2,sha=50:54:00:00:00:06,tha=50:54:00:00:00:05)' -generate], [0], [stdout]) AT_CHECK([tail -1 stdout], [0], [Datapath actions: 3 ]) # Check for both MAC learning entries. AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip |sort], [0], [dnl table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:3 table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:06 actions=output:1 table=1, priority=0 actions=FLOOD NXST_FLOW reply: ]) # Trace a packet arrival that updates the first learned MAC entry. AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(2),eth(src=50:54:00:00:00:05,dst=ff:ff:ff:ff:ff:ff),eth_type(0x0806),arp(sip=192.168.0.1,tip=192.168.0.2,op=1,sha=50:54:00:00:00:05,tha=00:00:00:00:00:00)' -generate], [0], [stdout]) AT_CHECK([tail -1 stdout], [0], [Datapath actions: 3,0,1 ]) # Check that the MAC learning entry was updated. AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip | sort], [0], [dnl table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:05 actions=output:2 table=1, hard_timeout=60,vlan_tci=0x0000/0x0fff,dl_dst=50:54:00:00:00:06 actions=output:1 table=1, priority=0 actions=FLOOD NXST_FLOW reply: ]) OVS_VSWITCHD_STOP AT_CLEANUP AT_SETUP([learning action - TCPv4 port learning]) OVS_VSWITCHD_START( [add-port br0 eth0 -- set Interface eth0 type=dummy -- \ add-port br0 eth1 -- set Interface eth1 type=dummy -- \ add-port br0 eth2 -- set Interface eth2 type=dummy]) # Set up flow table for TCPv4 port learning. AT_CHECK([[ovs-ofctl add-flow br0 'table=0 tcp actions=learn(table=1, hard_timeout=60, eth_type=0x800, nw_proto=6, NXM_OF_IP_SRC[]=NXM_OF_IP_DST[], NXM_OF_IP_DST[]=NXM_OF_IP_SRC[], NXM_OF_TCP_SRC[]=NXM_OF_TCP_DST[], NXM_OF_TCP_DST[]=NXM_OF_TCP_SRC[]), flood']]) # Trace a TCPv4 packet arriving on port 3. AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(3),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:06),eth_type(0x0800),ipv4(src=192.168.0.2,dst=192.168.0.1,proto=6,tos=0,ttl=64,frag=no),tcp(src=40000,dst=80)' -generate], [0], [stdout]) AT_CHECK([tail -1 stdout], [0], [Datapath actions: 2,0,1 ]) # Check for the learning entry. AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip | sort], [0], [dnl table=1, hard_timeout=60,tcp,nw_src=192.168.0.1,nw_dst=192.168.0.2,tp_src=80,tp_dst=40000 actions=drop NXST_FLOW reply: ]) OVS_VSWITCHD_STOP AT_CLEANUP AT_SETUP([learning action - TCPv6 port learning]) OVS_VSWITCHD_START( [add-port br0 eth0 -- set Interface eth0 type=dummy -- \ add-port br0 eth1 -- set Interface eth1 type=dummy -- \ add-port br0 eth2 -- set Interface eth2 type=dummy]) # Set up flow table for TCPv6 port learning. # Also add a 128-bit-wide "load" action and a 128-bit literal match to check # that they work. AT_CHECK([[ovs-ofctl add-flow br0 'table=0 tcp6 actions=learn(table=1, hard_timeout=60, eth_type=0x86dd, nw_proto=6, NXM_NX_IPV6_SRC[]=NXM_NX_IPV6_DST[], ipv6_dst=2001:0db8:85a3:0000:0000:8a2e:0370:7334, NXM_OF_TCP_SRC[]=NXM_OF_TCP_DST[], NXM_OF_TCP_DST[]=NXM_OF_TCP_SRC[], load(0x20010db885a308d313198a2e03707348->NXM_NX_IPV6_DST[])), flood']]) # Trace a TCPv6 packet arriving on port 3. AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(3),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:06),eth_type(0x86dd),ipv6(src=fec0::2,dst=fec0::1,label=0,proto=6,tclass=0,hlimit=255,frag=no),tcp(src=40000,dst=80)' -generate], [0], [stdout]) AT_CHECK([tail -1 stdout], [0], [Datapath actions: 2,0,1 ]) # Check for the learning entry. AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl table=1, hard_timeout=60,tcp6,ipv6_src=fec0::1,ipv6_dst=2001:db8:85a3::8a2e:370:7334,tp_src=80,tp_dst=40000 actions=load:0x13198a2e03707348->NXM_NX_IPV6_DST[[0..63]],load:0x20010db885a308d3->NXM_NX_IPV6_DST[[64..127]] tcp6 actions=learn(table=1,hard_timeout=60,eth_type=0x86dd,nw_proto=6,NXM_NX_IPV6_SRC[[]]=NXM_NX_IPV6_DST[[]],ipv6_dst=2001:db8:85a3::8a2e:370:7334,NXM_OF_TCP_SRC[[]]=NXM_OF_TCP_DST[[]],NXM_OF_TCP_DST[[]]=NXM_OF_TCP_SRC[[]],load:0x20010db885a308d313198a2e03707348->NXM_NX_IPV6_DST[[]]),FLOOD NXST_FLOW reply: ]) OVS_VSWITCHD_STOP AT_CLEANUP AT_SETUP([learning action - fin_timeout feature]) # This is a totally artificial use of the "learn" action. The only purpose # is to check that specifying fin_idle_timeout or fin_hard_timeout causes # a corresponding fin_timeout action to end up in the learned flows. OVS_VSWITCHD_START AT_CHECK([[ovs-ofctl add-flow br0 'actions=learn(fin_hard_timeout=10, fin_idle_timeout=5, NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[], output:NXM_OF_IN_PORT[])']]) AT_CHECK([ovs-appctl ofproto/trace br0 'in_port(1),eth(src=50:54:00:00:00:05,dst=ff:ff:ff:ff:ff:ff),eth_type(0x0806),arp(sip=192.168.0.1,tip=192.168.0.2,op=1,sha=50:54:00:00:00:05,tha=00:00:00:00:00:00)' -generate], [0], [ignore]) AT_CHECK([ovs-ofctl dump-flows br0 table=1 | ofctl_strip], [0], [NXST_FLOW reply: table=1, dl_dst=50:54:00:00:00:05 actions=fin_timeout(idle_timeout=5,hard_timeout=10),output:1 ]) OVS_VSWITCHD_STOP AT_CLEANUP