+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([learning action - TCPv6 port learning])
+OVS_VSWITCHD_START(
+ [add-port br0 p1 -- set Interface p1 type=dummy -- \
+ add-port br0 p2 -- set Interface p2 type=dummy -- \
+ add-port br0 p3 -- set Interface p3 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.
+flow="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)"
+AT_CHECK([ovs-appctl ofproto/trace ovs-dummy "$flow" -generate], [0], [stdout])
+actual=`tail -1 stdout | sed 's/Datapath actions: //'`
+
+expected="1,2,100"
+AT_CHECK([ovs-dpctl normalize-actions "$flow" "$expected"], [0], [stdout])
+mv stdout expout
+AT_CHECK([ovs-dpctl normalize-actions "$flow" "$actual"], [0], [expout])
+
+# 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
+
+# In this use of a learn action, the first packet in the flow creates
+# a new flow that changes the behavior of subsequent packets in the
+# flow.
+AT_SETUP([learning action - self-modifying flow])
+OVS_VSWITCHD_START
+ADD_OF_PORTS([br0], 1, 2, 3)
+
+ovs-appctl time/stop
+# Set up flow table for TCPv4 port learning.
+AT_CHECK([[ovs-ofctl add-flow br0 'actions=load:3->NXM_NX_REG0[0..15],learn(table=0,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2']])
+
+# Trace some packets arriving. The particular packets don't matter.
+for i in 1 2 3 4 5 6 7 8 9 10; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'
+ ovs-appctl time/warp 10
+ if [[ $i -eq 1 ]]; then
+ sleep 1
+ fi
+done
+
+# Check for the learning entry.
+ovs-appctl time/warp 1000
+AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0],
+[[ n_packets=1, n_bytes=60, actions=load:0x3->NXM_NX_REG0[0..15],learn(table=0,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2
+ n_packets=9, n_bytes=540, priority=65535,vlan_tci=0x0000/0x0fff,dl_src=50:54:00:00:00:05 actions=output:3
+NXST_FLOW reply:
+]])
+
+# Check that the first packet went out port 2 and the rest out port 3.
+AT_CHECK(
+ [(ovs-ofctl dump-ports br0 2; ovs-ofctl dump-ports br0 3) | STRIP_XIDS], [0],
+ [OFPST_PORT reply: 1 ports
+ port 2: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
+ tx pkts=1, bytes=60, drop=0, errs=0, coll=0
+OFPST_PORT reply: 1 ports
+ port 3: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
+ tx pkts=9, bytes=540, drop=0, errs=0, coll=0
+])
+
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
+# This test is much like the previous, but adds idle timeouts and sends
+# two different flows to the bridge. This tests that the statistics are
+# attributed correctly.
+AT_SETUP([learning action - self-modifying flow with idle_timeout])
+OVS_VSWITCHD_START
+ADD_OF_PORTS([br0], 1, 2, 3)
+
+ovs-appctl time/stop
+# Set up flow table for TCPv4 port learning.
+AT_CHECK([[ovs-ofctl add-flow br0 'actions=load:3->NXM_NX_REG0[0..15],learn(table=0,idle_timeout=5,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2']])
+
+# Trace some packets arriving. The particular packets don't matter.
+for i in `seq 1 10`; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'
+ ovs-appctl time/warp 10
+ if [[ $i -eq 1 ]]; then
+ sleep 1
+ fi
+done
+
+# Trace some packets arriving. This is is a different flow from the previous.
+# Note that we advance time by 1 second between each packet here.
+for i in `seq 1 10`; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:06,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'
+ ovs-appctl time/warp 1000
+ # Note: netdev-dummy/receive merely queues the packet.
+ # We need to wait for other thread to process the packet
+ # and update the flow's 'used' for the packet.
+ # (i % 3 == 0) below is somehow arbitrary but chosen to ensure
+ # that we update the flow's 'used' frequently enough to prevent
+ # idle_timeout.
+ if [[ $i -eq 1 -o $((i % 3)) -eq 0 ]]; then
+ sleep 1
+ fi
+done
+
+# Check that the first packet of each flow went out port 2 and the rest out
+# port 3.
+AT_CHECK(
+ [(ovs-ofctl dump-ports br0 2; ovs-ofctl dump-ports br0 3) | STRIP_XIDS], [0],
+ [OFPST_PORT reply: 1 ports
+ port 2: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
+ tx pkts=2, bytes=120, drop=0, errs=0, coll=0
+OFPST_PORT reply: 1 ports
+ port 3: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
+ tx pkts=18, bytes=1080, drop=0, errs=0, coll=0
+])
+
+# Check for the learning entry.
+ovs-appctl time/warp 1000
+AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0],
+[[ n_packets=2, n_bytes=120, actions=load:0x3->NXM_NX_REG0[0..15],learn(table=0,idle_timeout=5,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2
+ n_packets=9, n_bytes=540, idle_timeout=5, priority=65535,vlan_tci=0x0000/0x0fff,dl_src=50:54:00:00:00:06 actions=output:3
+NXST_FLOW reply:
+]])
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
+# This test is much like the previous, but adds hard timeouts and sends
+# two different flows to the bridge. This tests that the statistics are
+# attributed correctly.
+AT_SETUP([learning action - self-modifying flow with hard_timeout])
+OVS_VSWITCHD_START
+ADD_OF_PORTS([br0], 1, 2, 3)
+
+ovs-appctl time/stop
+# Set up flow table for TCPv4 port learning.
+AT_CHECK([[ovs-ofctl add-flow br0 'actions=load:3->NXM_NX_REG0[0..15],learn(table=0,hard_timeout=10,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2']])
+
+# Trace some packets arriving. The particular packets don't matter.
+for i in `seq 1 10`; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'
+ if [[ $i -eq 1 ]]; then
+ sleep 1
+ fi
+ ovs-appctl time/warp 10
+done
+
+# Trace some packets arriving. This is is a different flow from the previous.
+# Note that we advance time by 2 second between each packet here.
+for i in `seq 1 10`; do
+ ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:06,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=6,tos=0,ttl=64,frag=no),tcp(src=8,dst=9)'
+ # Note: hard_timeout should fire immediately after #6 packet.
+ # #7 packet re-install the flow and the following 3 packets
+ # (#8, #9, #10) use the flow.
+ # it's difficult to predict the exact timing of rule expiry
+ # because it's affected by flow dumper thread via udpif_dump_seq.
+ # hard_timeout value for this test was chosen to overcome the uncertainty.
+ #
+ # receive #1 learn, install flow with hard_timeout=10
+ # sleep to ensure the flow installation
+ # (warp, timeout left 8s)
+ # receive #2 the learned flow
+ # (warp, timeout left 6s)
+ # receive #3
+ # (warp, timeout left 4s)
+ # receive #4
+ # (warp, timeout left 2s)
+ # receive #5
+ # (warp, timeout left 0s)
+ # NOTE: OVS does not consider this expired yet. cf. rule_expire()
+ # receive #6
+ # (warp, timeout left -2s)
+ # sleep to ensure flow expiration
+ # receive #7 learn, install flow with hard_timeout=10
+ # sleep to ensure the flow installation
+ # (warp, timeout left 8s)
+ # receive #8
+ # (warp, timeout left 6s)
+ # receive #9
+ # (warp, timeout left 4s)
+ # receive #10
+ # (warp, timeout left 2s)
+ if [[ $i -eq 1 -o $i -eq 7 ]]; then
+ sleep 1
+ fi
+ ovs-appctl time/warp 2000
+ if [[ $i -eq 6 ]]; then
+ sleep 1
+ fi
+done
+
+# Check that the first packet of each flow went out port 2 and the rest out
+# port 3.
+AT_CHECK(
+ [(ovs-ofctl dump-ports br0 2; ovs-ofctl dump-ports br0 3) | STRIP_XIDS], [0],
+ [OFPST_PORT reply: 1 ports
+ port 2: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
+ tx pkts=3, bytes=180, drop=0, errs=0, coll=0
+OFPST_PORT reply: 1 ports
+ port 3: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0
+ tx pkts=17, bytes=1020, drop=0, errs=0, coll=0
+])
+
+# Check for the learning entry.
+ovs-appctl time/warp 1000
+sleep 1
+AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0],
+[[ n_packets=3, n_bytes=180, actions=load:0x3->NXM_NX_REG0[0..15],learn(table=0,hard_timeout=10,priority=65535,NXM_OF_ETH_SRC[],NXM_OF_VLAN_TCI[0..11],output:NXM_NX_REG0[0..15]),output:2
+ n_packets=3, n_bytes=180, hard_timeout=10, priority=65535,vlan_tci=0x0000/0x0fff,dl_src=50:54:00:00:00:06 actions=output:3
+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(
+ [add-port br0 p1 -- set Interface p1 type=dummy ofport_request=1])
+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 ovs-dummy '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