[ovs.git] / tests / system-traffic.at

AT_BANNER([datapath-sanity])

AT_SETUP([datapath - ping between two ports])
OVS_TRAFFIC_VSWITCHD_START()

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - http between two ports])
OVS_TRAFFIC_VSWITCHD_START()

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_START_L7([at_ns1], [http])
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping between two ports on vlan])
OVS_TRAFFIC_VSWITCHD_START()

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

ADD_VLAN(p0, at_ns0, 100, "10.2.2.1/24")
ADD_VLAN(p1, at_ns1, 100, "10.2.2.2/24")

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping between two ports on cvlan])
OVS_TRAFFIC_VSWITCHD_START()
OVS_CHECK_8021AD()

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

ADD_SVLAN(p0, at_ns0, 4094, "10.255.2.1/24")
ADD_SVLAN(p1, at_ns1, 4094, "10.255.2.2/24")

ADD_CVLAN(p0.4094, at_ns0, 100, "10.2.2.1/24")
ADD_CVLAN(p1.4094, at_ns1, 100, "10.2.2.2/24")

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.2.2.2])

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping6 between two ports])
OVS_TRAFFIC_VSWITCHD_START()

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2])

NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping6 -s 1600 -q -c 3 -i 0.3 -w 2 fc00::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping6 -s 3200 -q -c 3 -i 0.3 -w 2 fc00::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping6 between two ports on vlan])
OVS_TRAFFIC_VSWITCHD_START()

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

ADD_VLAN(p0, at_ns0, 100, "fc00:1::1/96")
ADD_VLAN(p1, at_ns1, 100, "fc00:1::2/96")

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00:1::2])

NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00:1::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping6 -s 1600 -q -c 3 -i 0.3 -w 2 fc00:1::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping6 -s 3200 -q -c 3 -i 0.3 -w 2 fc00:1::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping6 between two ports on cvlan])
OVS_TRAFFIC_VSWITCHD_START()
OVS_CHECK_8021AD()

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

ADD_SVLAN(p0, at_ns0, 4094, "fc00:ffff::1/96")
ADD_SVLAN(p1, at_ns1, 4094, "fc00:ffff::2/96")

ADD_CVLAN(p0.4094, at_ns0, 100, "fc00:1::1/96")
ADD_CVLAN(p1.4094, at_ns1, 100, "fc00:1::2/96")

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00:1::2])

NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00:1::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping6 -s 1600 -q -c 3 -i 0.3 -w 2 fc00:1::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping6 -s 3200 -q -c 3 -i 0.3 -w 2 fc00:1::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over bond])
OVS_TRAFFIC_VSWITCHD_START()

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH_BOND(p1 p2, at_ns1, br0, bond0, lacp=active bond_mode=balance-tcp, "10.1.1.2/24")

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.1.1.2])

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over vxlan tunnel])
OVS_CHECK_VXLAN()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24")
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([vxlan], [br0], [at_vxlan0], [172.31.1.1], [10.1.1.100/24])
ADD_NATIVE_TUNNEL([vxlan], [at_vxlan1], [at_ns0], [172.31.1.100], [10.1.1.1/24],
                  [id 0 dstport 4789])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 172.31.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over vxlan6 tunnel])
OVS_CHECK_VXLAN_UDP6ZEROCSUM()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "fc00::1/64", [], [], "nodad")
AT_CHECK([ip addr add dev br-underlay "fc00::100/64" nodad])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL6([vxlan], [br0], [at_vxlan0], [fc00::1], [10.1.1.100/24])
ADD_NATIVE_TUNNEL6([vxlan], [at_vxlan1], [at_ns0], [fc00::100], [10.1.1.1/24],
                   [id 0 dstport 4789 udp6zerocsumtx udp6zerocsumrx])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::100])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00::100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over gre tunnel])
OVS_CHECK_KERNEL_EXCL(3, 10, 4, 15)
OVS_CHECK_GRE()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24")
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([gre], [br0], [at_gre0], [172.31.1.1], [10.1.1.100/24])
ADD_NATIVE_TUNNEL([gretap], [ns_gre0], [at_ns0], [172.31.1.100], [10.1.1.1/24])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 172.31.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over ip6gre L2 tunnel])
OVS_CHECK_KERNEL_EXCL(3, 10, 4, 15)
OVS_CHECK_GRE()
OVS_CHECK_ERSPAN()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "fc00:100::1/96", [], [], nodad)
AT_CHECK([ip addr add dev br-underlay "fc00:100::100/96" nodad])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL6([ip6gre], [br0], [at_gre0], [fc00:100::1], [10.1.1.100/24],
                [options:packet_type=legacy_l2])
ADD_NATIVE_TUNNEL6([ip6gretap], [ns_gretap0], [at_ns0], [fc00:100::100],
                   [10.1.1.1/24], [local fc00:100::1])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 2 fc00:100::100])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00:100::100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP


AT_SETUP([datapath - ping over erspan v1 tunnel])
OVS_CHECK_KERNEL_EXCL(3, 10, 4, 15)
OVS_CHECK_GRE()
OVS_CHECK_ERSPAN()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24")
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([erspan], [br0], [at_erspan0], [172.31.1.1], [10.1.1.100/24], [options:key=1 options:erspan_ver=1 options:erspan_idx=7])
ADD_NATIVE_TUNNEL([erspan], [ns_erspan0], [at_ns0], [172.31.1.100], [10.1.1.1/24], [seq key 1 erspan_ver 1 erspan 7])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 172.31.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
dnl NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
NS_CHECK_EXEC([at_ns0], [ping -s 1200 -i 0.3 -c 3 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over erspan v2 tunnel])
OVS_CHECK_KERNEL_EXCL(3, 10, 4, 15)
OVS_CHECK_GRE()
OVS_CHECK_ERSPAN()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24")
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([erspan], [br0], [at_erspan0], [172.31.1.1], [10.1.1.100/24], [options:key=1 options:erspan_ver=2 options:erspan_dir=1 options:erspan_hwid=0x7])
ADD_NATIVE_TUNNEL([erspan], [ns_erspan0], [at_ns0], [172.31.1.100], [10.1.1.1/24], [seq key 1 erspan_ver 2 erspan_dir egress erspan_hwid 7])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 172.31.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
dnl NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
NS_CHECK_EXEC([at_ns0], [ping -s 1200 -i 0.3 -c 3 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over ip6erspan v1 tunnel])
OVS_CHECK_KERNEL_EXCL(3, 10, 4, 15)
OVS_CHECK_GRE()
OVS_CHECK_ERSPAN()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "fc00:100::1/96", [], [], nodad)
AT_CHECK([ip addr add dev br-underlay "fc00:100::100/96" nodad])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL6([ip6erspan], [br0], [at_erspan0], [fc00:100::1], [10.1.1.100/24],
                [options:key=123 options:erspan_ver=1 options:erspan_idx=0x7])
ADD_NATIVE_TUNNEL6([ip6erspan], [ns_erspan0], [at_ns0], [fc00:100::100],
                   [10.1.1.1/24], [local fc00:100::1 seq key 123 erspan_ver 1 erspan 7])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 2 fc00:100::100])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00:100::100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over ip6erspan v2 tunnel])
OVS_CHECK_KERNEL_EXCL(3, 10, 4, 15)
OVS_CHECK_GRE()
OVS_CHECK_ERSPAN()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "fc00:100::1/96", [], [], nodad)
AT_CHECK([ip addr add dev br-underlay "fc00:100::100/96" nodad])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL6([ip6erspan], [br0], [at_erspan0], [fc00:100::1], [10.1.1.100/24],
                [options:key=121 options:erspan_ver=2 options:erspan_dir=0 options:erspan_hwid=0x7])
ADD_NATIVE_TUNNEL6([ip6erspan], [ns_erspan0], [at_ns0], [fc00:100::100],
                   [10.1.1.1/24],
                   [local fc00:100::1 seq key 121 erspan_ver 2 erspan_dir ingress erspan_hwid 0x7])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 2 fc00:100::100])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00:100::100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over geneve tunnel])
OVS_CHECK_GENEVE()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24")
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([geneve], [br0], [at_gnv0], [172.31.1.1], [10.1.1.100/24])
ADD_NATIVE_TUNNEL([geneve], [ns_gnv0], [at_ns0], [172.31.1.100], [10.1.1.1/24],
                  [vni 0])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 172.31.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - flow resume with geneve tun_metadata])
OVS_CHECK_GENEVE()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])

AT_CHECK([ovs-ofctl monitor br0 resume --detach --no-chdir --pidfile 2> /dev/null])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24")
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([geneve], [br0], [at_gnv0], [172.31.1.1], [10.1.1.100/24])
ADD_NATIVE_TUNNEL([geneve], [ns_gnv0], [at_ns0], [172.31.1.100], [10.1.1.1/24],
                  [vni 0])

dnl Set up flows
AT_DATA([flows.txt], [dnl
table=0, arp action=NORMAL
table=0, in_port=LOCAL icmp action=output:at_gnv0
table=0, in_port=at_gnv0 icmp action=set_field:0xa->tun_metadata0,resubmit(,1)
table=1, icmp action=controller(pause), resubmit(,2)
table=2, tun_metadata0=0xa, icmp action=output:LOCAL
])
AT_CHECK([ovs-ofctl add-tlv-map br0 "{class=0xffff,type=0,len=4}->tun_metadata0"])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_APP_EXIT_AND_WAIT([ovs-ofctl])
OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over geneve6 tunnel])
OVS_CHECK_GENEVE_UDP6ZEROCSUM()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "fc00::1/64", [], [], "nodad")
AT_CHECK([ip addr add dev br-underlay "fc00::100/64" nodad])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL6([geneve], [br0], [at_gnv0], [fc00::1], [10.1.1.100/24])
ADD_NATIVE_TUNNEL6([geneve], [ns_gnv0], [at_ns0], [fc00::100], [10.1.1.1/24],
                   [vni 0 udp6zerocsumtx udp6zerocsumrx])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::100])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00::100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over gre tunnel by simulated packets])
OVS_CHECK_MIN_KERNEL(3, 10)

OVS_TRAFFIC_VSWITCHD_START()
AT_CHECK([ovs-vsctl -- set bridge br0 other-config:hwaddr=\"f2:ff:00:00:00:01\"])
ADD_BR([br-underlay], [set bridge br-underlay other-config:hwaddr=\"f2:ff:00:00:00:02\"])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24", f2:ff:00:00:00:03)
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace.
ADD_OVS_TUNNEL([gre], [br0], [at_gre0], [172.31.1.1], [10.1.1.100/24])

dnl Certain Linux distributions, like CentOS, have default iptable rules
dnl to reject input traffic from br-underlay. Here we add a rule to walk
dnl around it.
iptables -I INPUT 1 -i br-underlay -j ACCEPT
on_exit 'iptables -D INPUT 1'

ip netns exec at_ns0 tcpdump -n -i p0 dst host 172.31.1.1 -l > p0.pcap &
sleep 1

dnl First, check the underlay.
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 172.31.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl We don't actually add gretap port as below, instead, we will
dnl emulate one that sends packets. Suppose its mac address is f2:ff:00:00:00:04.
dnl ADD_NATIVE_TUNNEL([gretap], [ns_gre0], [at_ns0], [172.31.1.100], [10.1.1.1/24])

dnl Now, check the overlay by sending out raw arp and icmp packets.
ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=f2ff00000002f2ff00000003080045000042ec2c4000402ff3bcac1f0101ac1f016400006558fffffffffffff2ff0000000408060001080006040001f2ff000000040a0101010000000000000a010164 actions=NORMAL"

OVS_WAIT_UNTIL([cat p0.pcap | egrep "IP 172.31.1.100 > 172.31.1.1: GREv0, length 46: ARP, Reply 10.1.1.100 is-at f2:ff:00:00:00:01.* length 28" 2>&1 1>/dev/null])

ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=f2ff00000002f2ff0000000308004500007aec8e4000402ff322ac1f0101ac1f016400006558f2ff00000001f2ff00000004080045000054548f40004001cfb30a0101010a0101640800e6e829270003e1a3435b00000000ff1a050000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637 actions=NORMAL"

OVS_WAIT_UNTIL([cat p0.pcap | egrep "IP 172.31.1.100 > 172.31.1.1: GREv0, length 102: IP 10.1.1.100 > 10.1.1.1: ICMP echo reply,.* length 64$" 2>&1 1>/dev/null])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over erspan v1 tunnel by simulated packets])
OVS_CHECK_MIN_KERNEL(3, 10)

OVS_TRAFFIC_VSWITCHD_START()
AT_CHECK([ovs-vsctl -- set bridge br0 other-config:hwaddr=\"f2:ff:00:00:00:01\"])
ADD_BR([br-underlay], [set bridge br-underlay other-config:hwaddr=\"f2:ff:00:00:00:02\"])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24", f2:ff:00:00:00:03)
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and emulate a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([erspan], [br0], [at_erspan0], [172.31.1.1], [10.1.1.100/24], [options:key=1 options:erspan_ver=1 options:erspan_idx=7])

dnl Certain Linux distributions, like CentOS, have default iptable rules
dnl to reject input traffic from br-underlay. Here we add a rule to walk
dnl around it.
iptables -I INPUT 1 -i br-underlay -j ACCEPT
on_exit 'iptables -D INPUT 1'

ip netns exec at_ns0 tcpdump -n -x -i p0 dst host 172.31.1.1 -l > p0.pcap &
sleep 1

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 172.31.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now send out an arp request from 10.1.1.1 for 10.1.1.100 in erspan.
ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=f2ff00000002f2ff0000000308004500004e151d4000402fcac0ac1f0101ac1f0164100088be000000061000000100000007fffffffffffff2ff0000000408060001080006040001f2ff000000040a0101010000000000000a010164 actions=normal"

dnl 0002 is arp reply, followed by mac address of 10.1.1.100.
OVS_WAIT_UNTIL([cat p0.pcap | egrep "0x0030:  0806 0001 0800 0604 0002 f2ff 0000 0001" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p0.pcap | egrep "0x0040:  0a01 0164 f2ff 0000 0004 0a01 0101" 2>&1 1>/dev/null])

dnl Okay, now check the overlay with raw icmp packets.
AT_FAIL_IF([cat p0.pcap | egrep "IP 172.31.1.100 > 172.31.1.1: GREv0,.* length 122" 2>&1 1>/dev/null])

ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=f2ff00000002f2ff0000000308004500008e70cb4000402f6ed2ac1f0101ac1f0164100088be000000051000000100000007f2ff00000001f2ff0000000408004500005c4a3340004001da070a0101010a010164080084f238fb0001f36a6b5b0000000021870e0000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f actions=normal"

OVS_WAIT_UNTIL([cat p0.pcap | egrep "IP 172.31.1.100 > 172.31.1.1: GREv0,.* length 122" 2>&1 1>/dev/null])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over erspan v2 tunnel by simulated packets])
OVS_CHECK_MIN_KERNEL(3, 10)

OVS_TRAFFIC_VSWITCHD_START()
AT_CHECK([ovs-vsctl -- set bridge br0 other-config:hwaddr=\"f2:ff:00:00:00:01\"])
ADD_BR([br-underlay], [set bridge br-underlay other-config:hwaddr=\"f2:ff:00:00:00:02\"])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24", f2:ff:00:00:00:03)
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and simulate a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([erspan], [br0], [at_erspan0], [172.31.1.1], [10.1.1.100/24], [options:key=1 options:erspan_ver=2 options:erspan_dir=1 options:erspan_hwid=0x7])

dnl Certain Linux distributions, like CentOS, have default iptable rules
dnl to reject input traffic from br-underlay. Here we add a rule to walk
dnl around it.
iptables -I INPUT 1 -i br-underlay -j ACCEPT
on_exit 'iptables -D INPUT 1'

ip netns exec at_ns0 tcpdump -n -x -i p0 dst host 172.31.1.1 -l > p0.pcap &
sleep 1

dnl First, check the underlay.
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 172.31.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, send raw arp request and icmp echo request.
ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=f2ff00000002f2ff00000003080045000052373d4000402fa89cac1f0101ac1f0164100088be00000006200000016f54b41700008078fffffffffffff2ff0000000408060001080006040001f2ff000000040a0101010000000000000a010164 actions=normal"

OVS_WAIT_UNTIL([cat p0.pcap | egrep "0x0030:  0000 0001 0806 0001 0800 0604 0002 f2ff" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p0.pcap | egrep "0x0040:  0000 0001 0a01 0164 f2ff 0000 0004 0a01" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p0.pcap | egrep "0x0050:  0101" 2>&1 1>/dev/null])

dnl Because tcpdump might not be able to parse erspan headers, we check icmp echo reply
dnl by packet length.
AT_FAIL_IF([cat p0.pcap | egrep "IP 172.31.1.100 > 172.31.1.1: GREv0,.* length 126" 2>&1 1>/dev/null])

ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=f2ff00000002f2ff0000000308004500009287e14000402f57b8ac1f0101ac1f0164100088be0000000520000001144cd5a400008078f2ff00000001f2ff0000000408004500005c38d640004001eb640a0101010a01016408005e57585f0001df6c6b5b0000000045bc050000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f actions=normal"

OVS_WAIT_UNTIL([cat p0.pcap | egrep "IP 172.31.1.100 > 172.31.1.1: GREv0,.* length 126" 2>&1 1>/dev/null])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over ip6erspan v1 tunnel by simulated packets])
OVS_CHECK_MIN_KERNEL(3, 10)

OVS_TRAFFIC_VSWITCHD_START()
AT_CHECK([ovs-vsctl -- set bridge br0 other-config:hwaddr=\"f2:ff:00:00:00:01\"])
ADD_BR([br-underlay], [set bridge br-underlay other-config:hwaddr=\"f2:ff:00:00:00:02\"])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "fc00:100::1/96", f2:ff:00:00:00:03, [], nodad)
AT_CHECK([ip addr add dev br-underlay "fc00:100::100/96" nodad])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and simulate a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL6([ip6erspan], [br0], [at_erspan0], [fc00:100::1], [10.1.1.100/24],
                [options:key=123 options:erspan_ver=1 options:erspan_idx=0x7])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 2 fc00:100::100])

dnl Certain Linux distributions, like CentOS, have default iptable rules
dnl to reject input traffic from br-underlay. Here we add a rule to walk
dnl around it.
ip6tables -I INPUT 1 -i br-underlay -j ACCEPT
on_exit 'ip6tables -D INPUT 1'

ip netns exec at_ns0 tcpdump -n -x -i p0 dst host fc00:100::1 -l > p0.pcap &
sleep 1

dnl First, check the underlay.
NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00:100::100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now send raw arp request and icmp echo request.
ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=f2ff00000002f2ff0000000386dd60008531003a2f40fc000100000000000000000000000001fc000100000000000000000000000100100088be000000051000007b00000007fffffffffffff2ff0000000408060001080006040001f2ff000000040a0101010000000000000a010164 actions=normal"

dnl Check arp reply.
OVS_WAIT_UNTIL([cat p0.pcap | egrep "0x0040:  0000 0001 0806 0001 0800 0604 0002 f2ff" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p0.pcap | egrep "0x0050:  0000 0001 0a01 0164 f2ff 0000 0004 0a01" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p0.pcap | egrep "0x0060:  0101" 2>&1 1>/dev/null])

AT_FAIL_IF([cat p0.pcap | egrep "IP6 fc00:100::100 > fc00:100::1: GREv0,.* length 114" 2>&1 1>/dev/null])

ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=f2ff00000002f2ff0000000386dd60008531007a3c40fc000100000000000000000000000001fc0001000000000000000000000001002f00040104010100100088be000000061000407b00000007f2ff00000001f2ff0000000408004500005429b640004001fa8c0a0101010a01016408005c2c7526000118d3685b00000000e4aa020000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637 actions=normal"

OVS_WAIT_UNTIL([cat p0.pcap | egrep "IP6 fc00:100::100 > fc00:100::1: GREv0,.* length 114" 2>&1 1>/dev/null])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - ping over ip6erspan v2 tunnel by simulated packets])
OVS_CHECK_MIN_KERNEL(3, 10)

OVS_TRAFFIC_VSWITCHD_START()
AT_CHECK([ovs-vsctl -- set bridge br0 other-config:hwaddr=\"f2:ff:00:00:00:01\"])
ADD_BR([br-underlay], [set bridge br-underlay other-config:hwaddr=\"f2:ff:00:00:00:02\"])

AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "fc00:100::1/96", f2:ff:00:00:00:03, [], nodad)
AT_CHECK([ip addr add dev br-underlay "fc00:100::100/96" nodad])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and simulate a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL6([ip6erspan], [br0], [at_erspan0], [fc00:100::1], [10.1.1.100/24],
                [options:key=121 options:erspan_ver=2 options:erspan_dir=0 options:erspan_hwid=0x7])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 2 fc00:100::100])

dnl Certain Linux distributions, like CentOS, have default iptable rules
dnl to reject input traffic from br-underlay. Here we add a rule to walk
dnl around it.
ip6tables -I INPUT 1 -i br-underlay -j ACCEPT
on_exit 'ip6tables -D INPUT 1'

ip netns exec at_ns0 tcpdump -n -x -i p0 dst host fc00:100::1 -l > p0.pcap &
sleep 1

dnl First, check the underlay.
NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00:100::100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now send raw arp request and icmp echo request.
ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=f2ff00000002f2ff0000000386dd60008531003e2f40fc000100000000000000000000000001fc000100000000000000000000000100100088be0000000620000079af514f9900008070fffffffffffff2ff0000000408060001080006040001f2ff000000040a0101010000000000000a010164 actions=normal"

OVS_WAIT_UNTIL([cat p0.pcap | egrep "0x0040:  0004 f2ff 0000 0001 0806 0001 0800 0604" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p0.pcap | egrep "0x0050:  0002 f2ff 0000 0001 0a01 0164 f2ff 0000" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p0.pcap | egrep "0x0060:  0004 0a01 0101" 2>&1 1>/dev/null])

AT_FAIL_IF([cat p0.pcap | egrep "IP6 fc00:100::100 > fc00:100::1: GREv0, .* length 118" 2>&1 1>/dev/null])

ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=f2ff00000002f2ff0000000386dd60008531007e3c40fc000100000000000000000000000001fc0001000000000000000000000001002f00040104010100100088be0000000720004079af514f9b00008070f2ff00000001f2ff00000004080045000054ffcb4000400124770a0101010a0101640800419e23ac000112d7685b000000004caf0c0000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637 actions=normal"

OVS_WAIT_UNTIL([cat p0.pcap | egrep "IP6 fc00:100::100 > fc00:100::1: GREv0, .* length 118" 2>&1 1>/dev/null])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - clone action])
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_CHECK([ovs-vsctl -- set interface ovs-p0 ofport_request=1 \
                    -- set interface ovs-p1 ofport_request=2])

AT_DATA([flows.txt], [dnl
priority=1 actions=NORMAL
priority=10 in_port=1,ip,actions=clone(mod_dl_dst(50:54:00:00:00:0a),set_field:192.168.3.3->ip_dst), output:2
priority=10 in_port=2,ip,actions=clone(mod_dl_src(ae:c6:7e:54:8d:4d),mod_dl_dst(50:54:00:00:00:0b),set_field:192.168.4.4->ip_dst, controller), output:1
])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])

AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_APP_EXIT_AND_WAIT([ovs-ofctl])

AT_CHECK([cat ofctl_monitor.log | STRIP_MONITOR_CSUM], [0], [dnl
icmp,vlan_tci=0x0000,dl_src=ae:c6:7e:54:8d:4d,dl_dst=50:54:00:00:00:0b,nw_src=10.1.1.2,nw_dst=192.168.4.4,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=0,icmp_code=0 icmp_csum: <skip>
icmp,vlan_tci=0x0000,dl_src=ae:c6:7e:54:8d:4d,dl_dst=50:54:00:00:00:0b,nw_src=10.1.1.2,nw_dst=192.168.4.4,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=0,icmp_code=0 icmp_csum: <skip>
icmp,vlan_tci=0x0000,dl_src=ae:c6:7e:54:8d:4d,dl_dst=50:54:00:00:00:0b,nw_src=10.1.1.2,nw_dst=192.168.4.4,nw_tos=0,nw_ecn=0,nw_ttl=64,icmp_type=0,icmp_code=0 icmp_csum: <skip>
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - mpls actions])
OVS_TRAFFIC_VSWITCHD_START([_ADD_BR([br1])])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br1, "10.1.1.2/24")

AT_CHECK([ip link add patch0 type veth peer name patch1])
on_exit 'ip link del patch0'

AT_CHECK([ip link set dev patch0 up])
AT_CHECK([ip link set dev patch1 up])
AT_CHECK([ovs-vsctl add-port br0 patch0])
AT_CHECK([ovs-vsctl add-port br1 patch1])

AT_DATA([flows.txt], [dnl
table=0,priority=100,dl_type=0x0800 actions=push_mpls:0x8847,set_mpls_label:3,resubmit(,1)
table=0,priority=100,dl_type=0x8847,mpls_label=3 actions=pop_mpls:0x0800,resubmit(,1)
table=0,priority=10 actions=resubmit(,1)
table=1,priority=10 actions=normal
])

AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
AT_CHECK([ovs-ofctl add-flows br1 flows.txt])

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

NS_CHECK_EXEC([at_ns1], [ping -q -c 3 -i 0.3 -w 2 10.1.1.1 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - multiple mpls label pop])
OVS_TRAFFIC_VSWITCHD_START([_ADD_BR([br1])])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br1, "10.1.1.2/24")

AT_CHECK([ip link add patch0 type veth peer name patch1])
on_exit 'ip link del patch0'

AT_CHECK([ip link set dev patch0 up])
AT_CHECK([ip link set dev patch1 up])
AT_CHECK([ovs-vsctl add-port br0 patch0])
AT_CHECK([ovs-vsctl add-port br1 patch1])

AT_DATA([flows.txt], [dnl
table=0,priority=100,dl_type=0x0800 actions=push_mpls:0x8847,set_mpls_label:3,push_mpls:0x8847,set_mpls_label:2,push_mpls:0x8847,set_mpls_label:1,resubmit(,3)
table=0,priority=100,dl_type=0x8847,mpls_label=1 actions=pop_mpls:0x8847,resubmit(,1)
table=1,priority=100,dl_type=0x8847,mpls_label=2 actions=pop_mpls:0x8847,resubmit(,2)
table=2,priority=100,dl_type=0x8847,mpls_label=3 actions=pop_mpls:0x0800,resubmit(,3)
table=0,priority=10 actions=resubmit(,3)
table=3,priority=10 actions=normal
])

AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
AT_CHECK([ovs-ofctl add-flows br1 flows.txt])

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

NS_CHECK_EXEC([at_ns1], [ping -q -c 3 -i 0.3 -w 2 10.1.1.1 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([datapath - basic truncate action])
AT_SKIP_IF([test $HAVE_NC = no])
OVS_TRAFFIC_VSWITCHD_START()
AT_CHECK([ovs-ofctl del-flows br0])

dnl Create p0 and ovs-p0(1)
ADD_NAMESPACES(at_ns0)
ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address e6:66:c1:11:11:11])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.2 e6:66:c1:22:22:22])

dnl Create p1(3) and ovs-p1(2), packets received from ovs-p1 will appear in p1
AT_CHECK([ip link add p1 type veth peer name ovs-p1])
on_exit 'ip link del ovs-p1'
AT_CHECK([ip link set dev ovs-p1 up])
AT_CHECK([ip link set dev p1 up])
AT_CHECK([ovs-vsctl add-port br0 ovs-p1 -- set interface ovs-p1 ofport_request=2])
dnl Use p1 to check the truncated packet
AT_CHECK([ovs-vsctl add-port br0 p1 -- set interface p1 ofport_request=3])

dnl Create p2(5) and ovs-p2(4)
AT_CHECK([ip link add p2 type veth peer name ovs-p2])
on_exit 'ip link del ovs-p2'
AT_CHECK([ip link set dev ovs-p2 up])
AT_CHECK([ip link set dev p2 up])
AT_CHECK([ovs-vsctl add-port br0 ovs-p2 -- set interface ovs-p2 ofport_request=4])
dnl Use p2 to check the truncated packet
AT_CHECK([ovs-vsctl add-port br0 p2 -- set interface p2 ofport_request=5])

dnl basic test
AT_CHECK([ovs-ofctl del-flows br0])
AT_DATA([flows.txt], [dnl
in_port=3 dl_dst=e6:66:c1:22:22:22 actions=drop
in_port=5 dl_dst=e6:66:c1:22:22:22 actions=drop
in_port=1 dl_dst=e6:66:c1:22:22:22 actions=output(port=2,max_len=100),output:4
])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])

dnl use this file as payload file for ncat
AT_CHECK([dd if=/dev/urandom of=payload200.bin bs=200 count=1 2> /dev/null])
on_exit 'rm -f payload200.bin'
NS_CHECK_EXEC([at_ns0], [nc $NC_EOF_OPT -u 10.1.1.2 1234 < payload200.bin])

dnl packet with truncated size
AT_CHECK([ovs-appctl revalidator/purge], [0])
AT_CHECK([ovs-ofctl dump-flows br0 table=0 | grep "in_port=3" |  sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=100
])
dnl packet with original size
AT_CHECK([ovs-appctl revalidator/purge], [0])
AT_CHECK([ovs-ofctl dump-flows br0 table=0 | grep "in_port=5" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=242
])

dnl more complicated output actions
AT_CHECK([ovs-ofctl del-flows br0])
AT_DATA([flows.txt], [dnl
in_port=3 dl_dst=e6:66:c1:22:22:22 actions=drop
in_port=5 dl_dst=e6:66:c1:22:22:22 actions=drop
in_port=1 dl_dst=e6:66:c1:22:22:22 actions=output(port=2,max_len=100),output:4,output(port=2,max_len=100),output(port=4,max_len=100),output:2,output(port=4,max_len=200),output(port=2,max_len=65535)
])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])

NS_CHECK_EXEC([at_ns0], [nc $NC_EOF_OPT -u 10.1.1.2 1234 < payload200.bin])

dnl 100 + 100 + 242 + min(65535,242) = 684
AT_CHECK([ovs-appctl revalidator/purge], [0])
AT_CHECK([ovs-ofctl dump-flows br0 table=0 | grep "in_port=3" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=684
])
dnl 242 + 100 + min(242,200) = 542
AT_CHECK([ovs-ofctl dump-flows br0 table=0 | grep "in_port=5" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=542
])

dnl SLOW_ACTION: disable kernel datapath truncate support
dnl Repeat the test above, but exercise the SLOW_ACTION code path
AT_CHECK([ovs-appctl dpif/set-dp-features br0 trunc false], [0])

dnl SLOW_ACTION test1: check datapatch actions
AT_CHECK([ovs-ofctl del-flows br0])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])

AT_CHECK([ovs-appctl ofproto/trace br0 "in_port=1,dl_type=0x800,dl_src=e6:66:c1:11:11:11,dl_dst=e6:66:c1:22:22:22,nw_src=192.168.0.1,nw_dst=192.168.0.2,nw_proto=6,tp_src=8,tp_dst=9"], [0], [stdout])
AT_CHECK([tail -3 stdout], [0],
[Datapath actions: trunc(100),3,5,trunc(100),3,trunc(100),5,3,trunc(200),5,trunc(65535),3
This flow is handled by the userspace slow path because it:
  - Uses action(s) not supported by datapath.
])

dnl SLOW_ACTION test2: check actual packet truncate
AT_CHECK([ovs-ofctl del-flows br0])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
NS_CHECK_EXEC([at_ns0], [nc $NC_EOF_OPT -u 10.1.1.2 1234 < payload200.bin])

dnl 100 + 100 + 242 + min(65535,242) = 684
AT_CHECK([ovs-appctl revalidator/purge], [0])
AT_CHECK([ovs-ofctl dump-flows br0 table=0 | grep "in_port=3" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=684
])

dnl 242 + 100 + min(242,200) = 542
AT_CHECK([ovs-ofctl dump-flows br0 table=0 | grep "in_port=5" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=542
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

dnl Create 2 bridges and 2 namespaces to test truncate over
dnl GRE tunnel:
dnl   br0: overlay bridge
dnl   ns1: connect to br0, with IP:10.1.1.2
dnl   br-underlay: with IP: 172.31.1.100
dnl   ns0: connect to br-underlay, with IP: 10.1.1.1
AT_SETUP([datapath - truncate and output to gre tunnel by simulated packets])
OVS_CHECK_MIN_KERNEL(3, 10)
AT_SKIP_IF([test $HAVE_NC = no])
OVS_TRAFFIC_VSWITCHD_START()

ADD_BR([br-underlay], [set bridge br-underlay other-config:hwaddr=\"02:90:8c:a8:a1:49\"])
ADD_NAMESPACES(at_ns0)
ADD_NAMESPACES(at_ns1)
AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24", fa:ad:fa:25:05:60)
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([gre], [br0], [at_gre0], [172.31.1.1], [10.1.1.100/24])

dnl The below native tunnel isn't actually added. We simulate it to send
dnl and receive packets.
dnl ADD_NATIVE_TUNNEL([gretap], [ns_gre0], [at_ns0], [172.31.1.100], [10.1.1.1/24],
dnl                   [], [address e6:66:c1:11:11:11])
dnl AT_CHECK([ovs-vsctl -- set interface at_gre0 ofport_request=1])
dnl NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.2 e6:66:c1:22:22:22])

dnl Set up (p1 and ovs-p1) at br0
ADD_VETH(p1, at_ns1, br0, '10.1.1.2/24')
AT_CHECK([ovs-vsctl -- set interface ovs-p1 ofport_request=2])
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns1], [arp -s 10.1.1.1 e6:66:c1:11:11:11])

dnl Set up (p2 and ovs-p2) as loopback for verifying packet size
AT_CHECK([ip link add p2 type veth peer name ovs-p2])
on_exit 'ip link del ovs-p2'
AT_CHECK([ip link set dev ovs-p2 up])
AT_CHECK([ip link set dev p2 up])
AT_CHECK([ovs-vsctl add-port br0 ovs-p2 -- set interface ovs-p2 ofport_request=3])
AT_CHECK([ovs-vsctl add-port br0 p2 -- set interface p2 ofport_request=4])

dnl use this file as payload file for ncat
AT_CHECK([dd if=/dev/urandom of=payload200.bin bs=200 count=1 2> /dev/null])
on_exit 'rm -f payload200.bin'

AT_CHECK([ovs-ofctl del-flows br0])
AT_DATA([flows.txt], [dnl
priority=99,in_port=1,actions=output(port=2,max_len=100),output(port=3,max_len=100)
priority=99,in_port=2,udp,actions=output(port=1,max_len=100)
priority=1,in_port=4,ip,actions=drop
priority=1,actions=drop
])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])

AT_CHECK([ovs-ofctl del-flows br-underlay])
AT_DATA([flows-underlay.txt], [dnl
priority=99,dl_type=0x0800,nw_proto=47,in_port=1,actions=LOCAL
priority=99,dl_type=0x0800,nw_proto=47,in_port=LOCAL,ip_dst=172.31.1.1/24,actions=1
priority=1,actions=drop
])

AT_CHECK([ovs-ofctl add-flows br-underlay flows-underlay.txt])

dnl check tunnel push path, from at_ns1 to at_ns0
NS_CHECK_EXEC([at_ns1], [nc $NC_EOF_OPT -u 10.1.1.1 1234 < payload200.bin])
AT_CHECK([ovs-appctl revalidator/purge], [0])

dnl Before truncation = ETH(14) + IP(20) + UDP(8) + 200 = 242B
AT_CHECK([ovs-ofctl dump-flows br0 | grep "in_port=2" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=242
])
dnl After truncation = outer ETH(14) + outer IP(20) + GRE(4) + 100 = 138B
AT_CHECK([ovs-ofctl dump-flows br-underlay | grep "in_port=LOCAL" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=138
])

dnl check tunnel pop path, from at_ns0 to at_ns1
dnl This 200-byte packet is simulated on behalf of ns_gre0
ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=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 actions=LOCAL"

dnl After truncation = 100 byte at loopback device p2(4)
AT_CHECK([ovs-appctl revalidator/purge], [0])
AT_CHECK([ovs-ofctl dump-flows br0 | grep "in_port=4" | ofctl_strip], [0], [dnl
 n_packets=1, n_bytes=100, priority=1,ip,in_port=4 actions=drop
])

dnl SLOW_ACTION: disable datapath truncate support
dnl Repeat the test above, but exercise the SLOW_ACTION code path
AT_CHECK([ovs-appctl dpif/set-dp-features br0 trunc false], [0])

dnl SLOW_ACTION test1: check datapatch actions
AT_CHECK([ovs-ofctl del-flows br0])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])

dnl SLOW_ACTION test2: check actual packet truncate
AT_CHECK([ovs-ofctl del-flows br0])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
AT_CHECK([ovs-ofctl del-flows br-underlay])
AT_CHECK([ovs-ofctl add-flows br-underlay flows-underlay.txt])

dnl check tunnel push path, from at_ns1 to at_ns0
NS_CHECK_EXEC([at_ns1], [nc $NC_EOF_OPT -u 10.1.1.1 1234 < payload200.bin])
AT_CHECK([ovs-appctl revalidator/purge], [0])

dnl Before truncation = ETH(14) + IP(20) + UDP(8) + 200 = 242B
AT_CHECK([ovs-ofctl dump-flows br0 | grep "in_port=2" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=242
])
dnl After truncation = outer ETH(14) + outer IP(20) + GRE(4) + 100 = 138B
AT_CHECK([ovs-ofctl dump-flows br-underlay | grep "in_port=LOCAL" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=138
])

dnl check tunnel pop path, from at_ns0 to at_ns1
dnl This 200-byte packet is simulated on behalf of ns_gre0
ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=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 actions=LOCAL"

dnl After truncation = 100 byte at loopback device p2(4)
AT_CHECK([ovs-appctl revalidator/purge], [0])
AT_CHECK([ovs-ofctl dump-flows br0 | grep "in_port=4" | ofctl_strip], [0], [dnl
 n_packets=1, n_bytes=100, priority=1,ip,in_port=4 actions=drop
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

dnl Create 2 bridges and 2 namespaces to test truncate over
dnl GRE tunnel:
dnl   br0: overlay bridge
dnl   ns1: connect to br0, with IP:10.1.1.2
dnl   br-underlay: with IP: 172.31.1.100
dnl   ns0: connect to br-underlay, with IP: 10.1.1.1
AT_SETUP([datapath - truncate and output to gre tunnel])
AT_SKIP_IF([test $HAVE_NC = no])
OVS_CHECK_KERNEL_EXCL(3, 10, 4, 15)
OVS_CHECK_GRE()
OVS_TRAFFIC_VSWITCHD_START()

ADD_BR([br-underlay])
ADD_NAMESPACES(at_ns0)
ADD_NAMESPACES(at_ns1)
AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24")
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([gre], [br0], [at_gre0], [172.31.1.1], [10.1.1.100/24])
ADD_NATIVE_TUNNEL([gretap], [ns_gre0], [at_ns0], [172.31.1.100], [10.1.1.1/24],
                  [], [address e6:66:c1:11:11:11])
AT_CHECK([ovs-vsctl -- set interface at_gre0 ofport_request=1])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.2 e6:66:c1:22:22:22])

dnl Set up (p1 and ovs-p1) at br0
ADD_VETH(p1, at_ns1, br0, '10.1.1.2/24')
AT_CHECK([ovs-vsctl -- set interface ovs-p1 ofport_request=2])
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns1], [arp -s 10.1.1.1 e6:66:c1:11:11:11])

dnl Set up (p2 and ovs-p2) as loopback for verifying packet size
AT_CHECK([ip link add p2 type veth peer name ovs-p2])
on_exit 'ip link del ovs-p2'
AT_CHECK([ip link set dev ovs-p2 up])
AT_CHECK([ip link set dev p2 up])
AT_CHECK([ovs-vsctl add-port br0 ovs-p2 -- set interface ovs-p2 ofport_request=3])
AT_CHECK([ovs-vsctl add-port br0 p2 -- set interface p2 ofport_request=4])

dnl use this file as payload file for ncat
AT_CHECK([dd if=/dev/urandom of=payload200.bin bs=200 count=1 2> /dev/null])
on_exit 'rm -f payload200.bin'

AT_CHECK([ovs-ofctl del-flows br0])
AT_DATA([flows.txt], [dnl
priority=99,in_port=1,actions=output(port=2,max_len=100),output(port=3,max_len=100)
priority=99,in_port=2,udp,actions=output(port=1,max_len=100)
priority=1,in_port=4,ip,actions=drop
priority=1,actions=drop
])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])

AT_CHECK([ovs-ofctl del-flows br-underlay])
AT_DATA([flows-underlay.txt], [dnl
priority=99,dl_type=0x0800,nw_proto=47,in_port=1,actions=LOCAL
priority=99,dl_type=0x0800,nw_proto=47,in_port=LOCAL,ip_dst=172.31.1.1/24,actions=1
priority=1,actions=drop
])

AT_CHECK([ovs-ofctl add-flows br-underlay flows-underlay.txt])

dnl check tunnel push path, from at_ns1 to at_ns0
NS_CHECK_EXEC([at_ns1], [nc $NC_EOF_OPT -u 10.1.1.1 1234 < payload200.bin])
AT_CHECK([ovs-appctl revalidator/purge], [0])

dnl Before truncation = ETH(14) + IP(20) + UDP(8) + 200 = 242B
AT_CHECK([ovs-ofctl dump-flows br0 | grep "in_port=2" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=242
])
dnl After truncation = outer ETH(14) + outer IP(20) + GRE(4) + 100 = 138B
AT_CHECK([ovs-ofctl dump-flows br-underlay | grep "in_port=LOCAL" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=138
])

dnl check tunnel pop path, from at_ns0 to at_ns1
NS_CHECK_EXEC([at_ns0], [nc $NC_EOF_OPT -u 10.1.1.2 5678 < payload200.bin])
dnl After truncation = 100 byte at loopback device p2(4)
AT_CHECK([ovs-appctl revalidator/purge], [0])
AT_CHECK([ovs-ofctl dump-flows br0 | grep "in_port=4" | ofctl_strip], [0], [dnl
 n_packets=1, n_bytes=100, priority=1,ip,in_port=4 actions=drop
])

dnl SLOW_ACTION: disable datapath truncate support
dnl Repeat the test above, but exercise the SLOW_ACTION code path
AT_CHECK([ovs-appctl dpif/set-dp-features br0 trunc false], [0])

dnl SLOW_ACTION test1: check datapatch actions
AT_CHECK([ovs-ofctl del-flows br0])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])

dnl SLOW_ACTION test2: check actual packet truncate
AT_CHECK([ovs-ofctl del-flows br0])
AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
AT_CHECK([ovs-ofctl del-flows br-underlay])
AT_CHECK([ovs-ofctl add-flows br-underlay flows-underlay.txt])

dnl check tunnel push path, from at_ns1 to at_ns0
NS_CHECK_EXEC([at_ns1], [nc $NC_EOF_OPT -u 10.1.1.1 1234 < payload200.bin])
AT_CHECK([ovs-appctl revalidator/purge], [0])

dnl Before truncation = ETH(14) + IP(20) + UDP(8) + 200 = 242B
AT_CHECK([ovs-ofctl dump-flows br0 | grep "in_port=2" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=242
])
dnl After truncation = outer ETH(14) + outer IP(20) + GRE(4) + 100 = 138B
AT_CHECK([ovs-ofctl dump-flows br-underlay | grep "in_port=LOCAL" | sed -n 's/.*\(n\_bytes=[[0-9]]*\).*/\1/p'], [0], [dnl
n_bytes=138
])

dnl check tunnel pop path, from at_ns0 to at_ns1
NS_CHECK_EXEC([at_ns0], [nc $NC_EOF_OPT -u 10.1.1.2 5678 < payload200.bin])
dnl After truncation = 100 byte at loopback device p2(4)
AT_CHECK([ovs-appctl revalidator/purge], [0])
AT_CHECK([ovs-ofctl dump-flows br0 | grep "in_port=4" | ofctl_strip], [0], [dnl
 n_packets=1, n_bytes=100, priority=1,ip,in_port=4 actions=drop
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_BANNER([conntrack])

AT_SETUP([conntrack - controller])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
AT_CHECK([ovs-appctl vlog/set dpif:dbg dpif_netdev:dbg ofproto_dpif_upcall:dbg])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,udp,action=ct(commit),controller
priority=100,in_port=2,ct_state=-trk,udp,action=ct(table=0)
priority=100,in_port=2,ct_state=+trk+est,udp,action=controller
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

AT_CAPTURE_FILE([ofctl_monitor.log])
AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])

dnl Send an unsolicited reply from port 2. This should be dropped.
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 2 ct\(table=0\) '50540000000a50540000000908004500001c000000000011a4cd0a0101020a0101010002000100080000'])

dnl OK, now start a new connection from port 1.
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 1 ct\(commit\),controller '50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000200080000'])

dnl Now try a reply from port 2.
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 2 ct\(table=0\) '50540000000a50540000000908004500001c000000000011a4cd0a0101020a0101010002000100080000'])

OVS_APP_EXIT_AND_WAIT([ovs-ofctl])

dnl Check this output. We only see the latter two packets, not the first.
AT_CHECK([cat ofctl_monitor.log], [0], [dnl
NXT_PACKET_IN2 (xid=0x0): total_len=42 in_port=1 (via action) data_len=42 (unbuffered)
udp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.1.1.1,nw_dst=10.1.1.2,nw_tos=0,nw_ecn=0,nw_ttl=0,tp_src=1,tp_dst=2 udp_csum:0
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 ct_state=est|rpl|trk,ct_nw_src=10.1.1.1,ct_nw_dst=10.1.1.2,ct_nw_proto=17,ct_tp_src=1,ct_tp_dst=2,ip,in_port=2 (via action) data_len=42 (unbuffered)
udp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.1.1.2,nw_dst=10.1.1.1,nw_tos=0,nw_ecn=0,nw_ttl=0,tp_src=2,tp_dst=1 udp_csum:0
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - force commit])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
AT_CHECK([ovs-appctl vlog/set dpif:dbg dpif_netdev:dbg ofproto_dpif_upcall:dbg])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,udp,action=ct(force,commit),controller
priority=100,in_port=2,ct_state=-trk,udp,action=ct(table=0)
priority=100,in_port=2,ct_state=+trk+est,udp,action=ct(force,commit,table=1)
table=1,in_port=2,ct_state=+trk,udp,action=controller
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

AT_CAPTURE_FILE([ofctl_monitor.log])
AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])

dnl Send an unsolicited reply from port 2. This should be dropped.
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=2 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101020a0101010002000100080000 actions=resubmit(,0)"])

dnl OK, now start a new connection from port 1.
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000200080000 actions=resubmit(,0)"])

dnl Now try a reply from port 2.
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=2 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101020a0101010002000100080000 actions=resubmit(,0)"])

AT_CHECK([ovs-appctl revalidator/purge], [0])

OVS_APP_EXIT_AND_WAIT([ovs-ofctl])

dnl Check this output. We only see the latter two packets, not the first.
AT_CHECK([cat ofctl_monitor.log], [0], [dnl
NXT_PACKET_IN2 (xid=0x0): cookie=0x0 total_len=42 in_port=1 (via action) data_len=42 (unbuffered)
udp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.1.1.1,nw_dst=10.1.1.2,nw_tos=0,nw_ecn=0,nw_ttl=0,tp_src=1,tp_dst=2 udp_csum:0
NXT_PACKET_IN2 (xid=0x0): table_id=1 cookie=0x0 total_len=42 ct_state=new|trk,ct_nw_src=10.1.1.2,ct_nw_dst=10.1.1.1,ct_nw_proto=17,ct_tp_src=2,ct_tp_dst=1,ip,in_port=2 (via action) data_len=42 (unbuffered)
udp,vlan_tci=0x0000,dl_src=50:54:00:00:00:09,dl_dst=50:54:00:00:00:0a,nw_src=10.1.1.2,nw_dst=10.1.1.1,nw_tos=0,nw_ecn=0,nw_ttl=0,tp_src=2,tp_dst=1 udp_csum:0
])

dnl
dnl Check that the directionality has been changed by force commit.
dnl
AT_CHECK([ovs-appctl dpctl/dump-conntrack | grep "orig=.src=10\.1\.1\.2,"], [], [dnl
udp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=2,dport=1),reply=(src=10.1.1.1,dst=10.1.1.2,sport=1,dport=2)
])

dnl OK, now send another packet from port 1 and see that it switches again
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000200080000 actions=resubmit(,0)"])
AT_CHECK([ovs-appctl revalidator/purge], [0])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | grep "orig=.src=10\.1\.1\.1,"], [], [dnl
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=1,dport=2),reply=(src=10.1.1.2,dst=10.1.1.1,sport=2,dport=1)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - ct flush by 5-tuple])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,udp,action=ct(commit),2
priority=100,in_port=2,udp,action=ct(zone=5,commit),1
priority=100,in_port=1,icmp,action=ct(commit),2
priority=100,in_port=2,icmp,action=ct(zone=5,commit),1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Test UDP from port 1
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000200080000 actions=resubmit(,0)"])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | grep "orig=.src=10\.1\.1\.1,"], [], [dnl
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=1,dport=2),reply=(src=10.1.1.2,dst=10.1.1.1,sport=2,dport=1)
])

AT_CHECK([ovs-appctl dpctl/flush-conntrack 'ct_nw_src=10.1.1.2,ct_nw_dst=10.1.1.1,ct_nw_proto=17,ct_tp_src=2,ct_tp_dst=1'])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | grep "orig=.src=10\.1\.1\.1,"], [1], [dnl
])

dnl Test UDP from port 2
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=2 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101020a0101010002000100080000 actions=resubmit(,0)"])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | grep "orig=.src=10\.1\.1\.2,"], [0], [dnl
udp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=2,dport=1),reply=(src=10.1.1.1,dst=10.1.1.2,sport=1,dport=2),zone=5
])

AT_CHECK([ovs-appctl dpctl/flush-conntrack zone=5 'ct_nw_src=10.1.1.1,ct_nw_dst=10.1.1.2,ct_nw_proto=17,ct_tp_src=1,ct_tp_dst=2'])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
])

dnl Test ICMP traffic
NS_CHECK_EXEC([at_ns1], [ping -q -c 3 -i 0.3 -w 2 10.1.1.1 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | grep "orig=.src=10\.1\.1\.2,"], [0], [stdout])
AT_CHECK([cat stdout | FORMAT_CT(10.1.1.1)], [0],[dnl
icmp,orig=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=8,code=0),reply=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=0,code=0),zone=5
])

ICMP_ID=`cat stdout | cut -d ',' -f4 | cut -d '=' -f2`
ICMP_TUPLE=ct_nw_src=10.1.1.2,ct_nw_dst=10.1.1.1,ct_nw_proto=1,icmp_id=$ICMP_ID,icmp_type=8,icmp_code=0
AT_CHECK([ovs-appctl dpctl/flush-conntrack zone=5 $ICMP_TUPLE])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | grep "orig=.src=10\.1\.1\.2,"], [1], [dnl
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 ping])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,icmp,action=ct(commit),2
priority=100,in_port=2,icmp,ct_state=-trk,action=ct(table=0)
priority=100,in_port=2,icmp,ct_state=+trk+est,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Pings from ns0->ns1 should work fine.
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0)
])

AT_CHECK([ovs-appctl dpctl/flush-conntrack])

dnl Pings from ns1->ns0 should fail.
NS_CHECK_EXEC([at_ns1], [ping -q -c 3 -i 0.3 -w 2 10.1.1.1 | FORMAT_PING], [0], [dnl
7 packets transmitted, 0 received, 100% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - get_nconns and get/set_maxconns])
CHECK_CONNTRACK()
CHECK_CT_DPIF_SET_GET_MAXCONNS()
CHECK_CT_DPIF_GET_NCONNS()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,icmp,action=ct(commit),2
priority=100,in_port=2,icmp,ct_state=-trk,action=ct(table=0)
priority=100,in_port=2,icmp,ct_state=+trk+est,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Pings from ns0->ns1 should work fine.
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0)
])

AT_CHECK([ovs-appctl dpctl/ct-set-maxconns one-bad-dp], [2], [], [dnl
ovs-vswitchd: maxconns missing or malformed (Invalid argument)
ovs-appctl: ovs-vswitchd: server returned an error
])

AT_CHECK([ovs-appctl dpctl/ct-set-maxconns a], [2], [], [dnl
ovs-vswitchd: maxconns missing or malformed (Invalid argument)
ovs-appctl: ovs-vswitchd: server returned an error
])

AT_CHECK([ovs-appctl dpctl/ct-set-maxconns one-bad-dp 10], [2], [], [dnl
ovs-vswitchd: datapath not found (Invalid argument)
ovs-appctl: ovs-vswitchd: server returned an error
])

AT_CHECK([ovs-appctl dpctl/ct-get-maxconns one-bad-dp], [2], [], [dnl
ovs-vswitchd: datapath not found (Invalid argument)
ovs-appctl: ovs-vswitchd: server returned an error
])

AT_CHECK([ovs-appctl dpctl/ct-get-nconns one-bad-dp], [2], [], [dnl
ovs-vswitchd: datapath not found (Invalid argument)
ovs-appctl: ovs-vswitchd: server returned an error
])

AT_CHECK([ovs-appctl dpctl/ct-get-nconns], [], [dnl
1
])

AT_CHECK([ovs-appctl dpctl/ct-get-maxconns], [], [dnl
3000000
])

AT_CHECK([ovs-appctl dpctl/ct-set-maxconns 10], [], [dnl
setting maxconns successful
])

AT_CHECK([ovs-appctl dpctl/ct-get-maxconns], [], [dnl
10
])

AT_CHECK([ovs-appctl dpctl/flush-conntrack])

AT_CHECK([ovs-appctl dpctl/ct-get-nconns], [], [dnl
0
])

AT_CHECK([ovs-appctl dpctl/ct-get-maxconns], [], [dnl
10
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 ping])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

AT_DATA([flows.txt], [dnl

dnl ICMPv6 echo request and reply go to table 1.  The rest of the traffic goes
dnl through normal action.
table=0,priority=10,icmp6,icmp_type=128,action=goto_table:1
table=0,priority=10,icmp6,icmp_type=129,action=goto_table:1
table=0,priority=1,action=normal

dnl Allow everything from ns0->ns1. Only allow return traffic from ns1->ns0.
table=1,priority=100,in_port=1,icmp6,action=ct(commit),2
table=1,priority=100,in_port=2,icmp6,ct_state=-trk,action=ct(table=0)
table=1,priority=100,in_port=2,icmp6,ct_state=+trk+est,action=1
table=1,priority=1,action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2])

dnl The above ping creates state in the connection tracker.  We're not
dnl interested in that state.
AT_CHECK([ovs-appctl dpctl/flush-conntrack])

dnl Pings from ns1->ns0 should fail.
NS_CHECK_EXEC([at_ns1], [ping6 -q -c 3 -i 0.3 -w 2 fc00::1 | FORMAT_PING], [0], [dnl
7 packets transmitted, 0 received, 100% packet loss, time 0ms
])

dnl Pings from ns0->ns1 should work fine.
NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
icmpv6,orig=(src=fc00::1,dst=fc00::2,id=<cleared>,type=128,code=0),reply=(src=fc00::2,dst=fc00::1,id=<cleared>,type=129,code=0)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - preserve registers])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2, at_ns3)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
ADD_VETH(p2, at_ns2, br0, "10.1.1.3/24")
ADD_VETH(p3, at_ns3, br0, "10.1.1.4/24")

dnl Allow any traffic from ns0->ns1, ns2->ns3.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,ct_state=-trk,action=ct(commit,table=0)
priority=100,in_port=1,tcp,ct_state=+trk,action=2
priority=100,in_port=2,tcp,ct_state=-trk,action=ct(table=0)
priority=100,in_port=2,tcp,ct_state=+trk,action=1
priority=100,in_port=3,tcp,ct_state=-trk,action=load:0->NXM_NX_REG0[[]],ct(table=0)
priority=100,in_port=3,tcp,ct_state=+trk,reg0=0,action=load:1->NXM_NX_REG0[[]],ct(commit,table=0)
priority=100,in_port=3,tcp,ct_state=+trk,reg0=1,action=4
priority=100,in_port=4,tcp,ct_state=-trk,action=ct(commit,table=0)
priority=100,in_port=4,tcp,ct_state=+trk,action=3
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])
OVS_START_L7([at_ns3], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl HTTP requests from p2->p3 should work fine.
NS_CHECK_EXEC([at_ns2], [wget 10.1.1.4 -t 3 -T 1 --retry-connrefused -v -o wget1.log])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - invalid])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2, at_ns3)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
ADD_VETH(p2, at_ns2, br0, "10.1.1.3/24")
ADD_VETH(p3, at_ns3, br0, "10.1.1.4/24")

dnl Pass traffic from ns0->ns1 without committing, but attempt to track in
dnl the opposite direction. This should fail.
dnl Pass traffic from ns3->ns4 without committing, and this time match
dnl invalid traffic and allow it through.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,action=ct(),2
priority=100,in_port=2,ct_state=-trk,tcp,action=ct(table=0)
priority=100,in_port=2,ct_state=+trk+new,tcp,action=1
priority=100,in_port=3,tcp,action=ct(),4
priority=100,in_port=4,ct_state=-trk,tcp,action=ct(table=0)
priority=100,in_port=4,ct_state=+trk+inv,tcp,action=3
priority=100,in_port=4,ct_state=+trk+new,tcp,action=3
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl We set up our rules to allow the request without committing. The return
dnl traffic can't be identified, because the initial request wasn't committed.
dnl For the first pair of ports, this means that the connection fails.
OVS_START_L7([at_ns1], [http])
OVS_START_L7([at_ns3], [http])
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log], [4])

dnl For the second pair, we allow packets from invalid connections, so it works.
NS_CHECK_EXEC([at_ns2], [wget 10.1.1.4 -t 3 -T 1 --retry-connrefused -v -o wget1.log])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - zones])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2, at_ns3)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
ADD_VETH(p2, at_ns2, br0, "10.1.1.3/24")
ADD_VETH(p3, at_ns3, br0, "10.1.1.4/24")

dnl Allow any traffic from ns0->ns1. Allow return traffic, matching on zone.
dnl For ns2->ns3, use a different zone and see that the match fails.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,action=ct(commit,zone=1),2
priority=100,in_port=2,ct_state=-trk,tcp,action=ct(table=0,zone=1)
priority=100,in_port=2,ct_state=+trk,ct_zone=1,tcp,action=1
priority=100,in_port=3,tcp,action=ct(commit,zone=2),4
priority=100,in_port=4,ct_state=-trk,tcp,action=ct(table=0,zone=2)
priority=100,in_port=4,ct_state=+trk,ct_zone=1,tcp,action=3
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])
OVS_START_L7([at_ns3], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
])

dnl HTTP requests from p2->p3 should fail due to network failure.
dnl Try 3 times, in 1 second intervals.
NS_CHECK_EXEC([at_ns2], [wget 10.1.1.4 -t 3 -T 1 -v -o wget1.log], [4])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.4)], [0], [dnl
tcp,orig=(src=10.1.1.3,dst=10.1.1.4,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.4,dst=10.1.1.3,sport=<cleared>,dport=<cleared>),zone=2,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - zones from field])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2, at_ns3)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
ADD_VETH(p2, at_ns2, br0, "10.1.1.3/24")
ADD_VETH(p3, at_ns3, br0, "10.1.1.4/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,action=load:0x1001->NXM_NX_REG0[[0..15]],ct(commit,zone=NXM_NX_REG0[[0..15]]),2
priority=100,in_port=2,ct_state=-trk,tcp,action=load:0x1001->NXM_NX_REG0[[0..15]],ct(table=0,zone=NXM_NX_REG0[[0..15]])
priority=100,in_port=2,ct_state=+trk,ct_zone=0x1001,tcp,action=1
priority=100,in_port=3,tcp,action=load:0x1002->NXM_NX_REG0[[0..15]],ct(commit,zone=NXM_NX_REG0[[0..15]]),4
priority=100,in_port=4,ct_state=-trk,tcp,action=load:0x1002->NXM_NX_REG0[[0..15]],ct(table=0,zone=NXM_NX_REG0[[0..15]])
priority=100,in_port=4,ct_state=+trk,ct_zone=0x1001,tcp,action=3
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])
OVS_START_L7([at_ns3], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=4097,protoinfo=(state=<cleared>)
])

dnl HTTP requests from p2->p3 should fail due to network failure.
dnl Try 3 times, in 1 second intervals.
NS_CHECK_EXEC([at_ns2], [wget 10.1.1.4 -t 3 -T 1 -v -o wget1.log], [4])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.4)], [0], [dnl
tcp,orig=(src=10.1.1.3,dst=10.1.1.4,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.4,dst=10.1.1.3,sport=<cleared>,dport=<cleared>),zone=4098,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - multiple bridges])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START(
   [_ADD_BR([br1]) --\
    add-port br0 patch+ -- set int patch+ type=patch options:peer=patch- --\
    add-port br1 patch- -- set int patch- type=patch options:peer=patch+ --])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br1, "10.1.1.2/24")

dnl Allow any traffic from ns0->br1, allow established in reverse.
AT_DATA([flows-br0.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=2,tcp,ct_state=-trk,action=ct(commit,zone=1),1
priority=100,in_port=1,tcp,ct_state=-trk,action=ct(table=0,zone=1)
priority=100,in_port=1,tcp,ct_state=+trk+est,ct_zone=1,action=2
])

dnl Allow any traffic from br0->ns1, allow established in reverse.
AT_DATA([flows-br1.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,ct_state=-trk,action=ct(table=0,zone=2)
priority=100,in_port=1,tcp,ct_state=+trk+new,ct_zone=2,action=ct(commit,zone=2),2
priority=100,in_port=1,tcp,ct_state=+trk+est,ct_zone=2,action=2
priority=100,in_port=2,tcp,ct_state=-trk,action=ct(table=0,zone=2)
priority=100,in_port=2,tcp,ct_state=+trk+est,ct_zone=2,action=ct(commit,zone=2),1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows-br0.txt])
AT_CHECK([ovs-ofctl --bundle add-flows br1 flows-br1.txt])

dnl HTTP requests from p0->p1 should work fine.
OVS_START_L7([at_ns1], [http])
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - multiple zones])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,action=ct(commit,zone=1),ct(commit,zone=2),2
priority=100,in_port=2,ct_state=-trk,tcp,action=ct(table=0,zone=2)
priority=100,in_port=2,ct_state=+trk,ct_zone=2,tcp,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl (again) HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=2,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - multiple namespaces, internal ports])
CHECK_CONNTRACK()
CHECK_CONNTRACK_LOCAL_STACK()
OVS_TRAFFIC_VSWITCHD_START(
   [set-fail-mode br0 secure -- ])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_INT(p0, at_ns0, br0, "10.1.1.1/24")
ADD_INT(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
dnl
dnl If skb->nfct is leaking from inside the namespace, this test will fail.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,ct_state=-trk,action=ct(commit,zone=1),2
priority=100,in_port=2,ct_state=-trk,tcp,action=ct(table=0,zone=1)
priority=100,in_port=2,ct_state=+trk,ct_zone=1,tcp,action=1
])

AT_CHECK([ovs-ofctl add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl (again) HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP(["dnl
/ioctl(SIOCGIFINDEX) on .* device failed: No such device/d
/removing policing failed: No such device/d"])
AT_CLEANUP

AT_SETUP([conntrack - ct_mark])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2, at_ns3)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
ADD_VETH(p2, at_ns2, br0, "10.1.1.3/24")
ADD_VETH(p3, at_ns3, br0, "10.1.1.4/24")

dnl Allow traffic between ns0<->ns1 using the ct_mark.
dnl Check that different marks do not match for traffic between ns2<->ns3.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,action=ct(commit,exec(set_field:1->ct_mark)),2
priority=100,in_port=2,ct_state=-trk,tcp,action=ct(table=0)
priority=100,in_port=2,ct_state=+trk,ct_mark=1,tcp,action=1
priority=100,in_port=3,tcp,action=ct(commit,exec(set_field:2->ct_mark)),4
priority=100,in_port=4,ct_state=-trk,tcp,action=ct(table=0)
priority=100,in_port=4,ct_state=+trk,ct_mark=1,tcp,action=3
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])
OVS_START_L7([at_ns3], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),mark=1,protoinfo=(state=<cleared>)
])

dnl HTTP requests from p2->p3 should fail due to network failure.
dnl Try 3 times, in 1 second intervals.
NS_CHECK_EXEC([at_ns2], [wget 10.1.1.4 -t 3 -T 1 -v -o wget1.log], [4])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.4)], [0], [dnl
tcp,orig=(src=10.1.1.3,dst=10.1.1.4,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.4,dst=10.1.1.3,sport=<cleared>,dport=<cleared>),mark=2,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - ct_mark bit-fiddling])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2, at_ns3)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow traffic between ns0<->ns1 using the ct_mark. Return traffic should
dnl cause an additional bit to be set in the connection (and be allowed).
AT_DATA([flows.txt], [dnl
table=0,priority=1,action=drop
table=0,priority=10,arp,action=normal
table=0,priority=10,icmp,action=normal
table=0,priority=100,in_port=1,tcp,action=ct(table=1)
table=0,priority=100,in_port=2,ct_state=-trk,tcp,action=ct(table=1,commit,exec(set_field:0x2/0x6->ct_mark))
table=1,in_port=1,ct_state=+new,tcp,action=ct(commit,exec(set_field:0x5/0x5->ct_mark)),2
table=1,in_port=1,ct_state=-new,tcp,action=2
table=1,in_port=2,ct_state=+trk,ct_mark=3,tcp,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),mark=3,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - ct_mark from register])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2, at_ns3)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
ADD_VETH(p2, at_ns2, br0, "10.1.1.3/24")
ADD_VETH(p3, at_ns3, br0, "10.1.1.4/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,action=load:1->NXM_NX_REG0[[0..31]],ct(commit,exec(move:NXM_NX_REG0[[0..31]]->NXM_NX_CT_MARK[[]])),2
priority=100,in_port=2,ct_state=-trk,tcp,action=ct(table=0)
priority=100,in_port=2,ct_state=+trk,ct_mark=1,tcp,action=1
priority=100,in_port=3,tcp,action=load:2->NXM_NX_REG0[[0..31]],ct(commit,exec(move:NXM_NX_REG0[[0..31]]->NXM_NX_CT_MARK[[]])),4
priority=100,in_port=4,ct_state=-trk,tcp,action=ct(table=0)
priority=100,in_port=4,ct_state=+trk,ct_mark=1,tcp,action=3
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])
OVS_START_L7([at_ns3], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),mark=1,protoinfo=(state=<cleared>)
])

dnl HTTP requests from p2->p3 should fail due to network failure.
dnl Try 3 times, in 1 second intervals.
NS_CHECK_EXEC([at_ns2], [wget 10.1.1.4 -t 3 -T 1 -v -o wget1.log], [4])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.4)], [0], [dnl
tcp,orig=(src=10.1.1.3,dst=10.1.1.4,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.4,dst=10.1.1.3,sport=<cleared>,dport=<cleared>),mark=2,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - ct_label])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2, at_ns3)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
ADD_VETH(p2, at_ns2, br0, "10.1.1.3/24")
ADD_VETH(p3, at_ns3, br0, "10.1.1.4/24")

dnl Allow traffic between ns0<->ns1 using the ct_label.
dnl Check that different labels do not match for traffic between ns2<->ns3.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,action=ct(commit,exec(set_field:0x0a000d000005000001->ct_label)),2
priority=100,in_port=2,ct_state=-trk,tcp,action=ct(table=0)
priority=100,in_port=2,ct_state=+trk,ct_label=0x0a000d000005000001,tcp,action=1
priority=100,in_port=3,tcp,action=ct(commit,exec(set_field:0x2->ct_label)),4
priority=100,in_port=4,ct_state=-trk,tcp,action=ct(table=0)
priority=100,in_port=4,ct_state=+trk,ct_label=0x0a000d000005000001,tcp,action=3
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])
OVS_START_L7([at_ns3], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl HTTP requests from p2->p3 should fail due to network failure.
dnl Try 3 times, in 1 second intervals.
NS_CHECK_EXEC([at_ns2], [wget 10.1.1.4 -t 3 -T 1 -v -o wget1.log], [4])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - ct_label bit-fiddling])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2, at_ns3)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow traffic between ns0<->ns1 using the ct_labels. Return traffic should
dnl cause an additional bit to be set in the connection labels (and be allowed)
AT_DATA([flows.txt], [dnl
table=0,priority=1,action=drop
table=0,priority=10,arp,action=normal
table=0,priority=10,icmp,action=normal
table=0,priority=100,in_port=1,tcp,action=ct(table=1)
table=0,priority=100,in_port=2,ct_state=-trk,tcp,action=ct(table=1,commit,exec(set_field:0x200000000/0x200000004->ct_label))
table=1,in_port=1,tcp,ct_state=+new,action=ct(commit,exec(set_field:0x5/0x5->ct_label)),2
table=1,in_port=1,tcp,ct_state=-new,action=2
table=1,in_port=2,ct_state=+trk,ct_label=0x200000001,tcp,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),labels=0x200000001,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - ct metadata, multiple zones])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2, at_ns3)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow traffic between ns0<->ns1 using the ct_mark and ct_labels in zone=1,
dnl but do *not* set any of these for the ct() in zone=2. Traffic should pass,
dnl and we should see that the conntrack entries only apply the ct_mark and
dnl ct_labels to the connection in zone=1.
AT_DATA([flows.txt], [dnl
table=0,priority=1,action=drop
table=0,priority=10,arp,action=normal
table=0,priority=10,icmp,action=normal
table=0,priority=100,in_port=1,tcp,action=ct(zone=1,table=1)
table=0,priority=100,in_port=2,ct_state=-trk,tcp,action=ct(zone=1,table=1,commit,exec(set_field:0x200000000/0x200000004->ct_label,set_field:0x2/0x6->ct_mark))
table=1,in_port=1,tcp,ct_state=+new,action=ct(zone=1,commit,exec(set_field:0x5/0x5->ct_label,set_field:0x5/0x5->ct_mark)),ct(commit,zone=2),2
table=1,in_port=1,tcp,ct_state=-new,action=ct(zone=2),2
table=1,in_port=2,tcp,action=ct(zone=2),1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,mark=3,labels=0x200000001,protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=2,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - new connections])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([flows1.txt], [dnl
table=0, priority=1,action=drop
table=0, priority=10,arp,action=normal
table=0, priority=100,tcp,action=ct(table=1)
table=0, priority=100,udp,action=ct(table=1)
table=1, priority=100,in_port=1,tcp,ct_state=+trk+new,action=ct(commit)
table=1, priority=100,in_port=1,udp,ct_state=+trk+new,action=ct(commit)
table=1, priority=100,in_port=1,ct_state=+trk+est,action=2
table=1, priority=100,in_port=2,ct_state=+trk+est,action=1
])

ovs-appctl vlog/set dbg

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows1.txt])

dnl TCP traffic from ns0 to ns1 should fail.
OVS_START_L7([at_ns1], [http])
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log], [4])

dnl Send UDP packet on port 1 twice.
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000200080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000200080000 actions=resubmit(,0)"])

dnl There should not be any packet that matches the established ct_state.
AT_CHECK([ovs-ofctl dump-flows br0 "table=1 in_port=1,ct_state=+trk+est" | ofctl_strip], [0], [dnl
NXST_FLOW reply:
 table=1, priority=100,ct_state=+est+trk,in_port=1 actions=output:2
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - ICMP related])
AT_SKIP_IF([test $HAVE_NC = no])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow UDP traffic from ns0->ns1. Only allow related ICMP responses back.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,udp,action=ct(commit,exec(set_field:1->ct_mark)),2
priority=100,in_port=2,icmp,ct_state=-trk,action=ct(table=0)
priority=100,in_port=2,icmp,ct_state=+trk+rel,ct_mark=1,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl UDP packets from ns0->ns1 should solicit "destination unreachable" response.
NS_CHECK_EXEC([at_ns0], [bash -c "echo a | nc $NC_EOF_OPT -u 10.1.1.2 10000"])

AT_CHECK([ovs-appctl revalidator/purge], [0])
AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort | grep -v drop], [0], [dnl
 n_packets=1, n_bytes=44, priority=100,udp,in_port=1 actions=ct(commit,exec(load:0x1->NXM_NX_CT_MARK[[]])),output:2
 n_packets=1, n_bytes=72, priority=100,ct_state=+rel+trk,ct_mark=0x1,icmp,in_port=2 actions=output:1
 n_packets=1, n_bytes=72, priority=100,ct_state=-trk,icmp,in_port=2 actions=ct(table=0)
 n_packets=2, n_bytes=84, priority=10,arp actions=NORMAL
NXST_FLOW reply:
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - ICMP related to original direction])
AT_SKIP_IF([test $HAVE_NC = no])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow UDP traffic from ns0->ns1. Only allow related ICMP responses back.
AT_DATA([flows.txt], [dnl
priority=1000,arp,action=normal
priority=100,ip,action=ct(table=1)
priority=1,action=drop
table=1,ip,action=ct(zone=34673,table=2)
table=2,in_port=2,udp,action=ct(commit,zone=34673),1
table=2,in_port=1,udp,action=ct(commit,zone=34673),2
table=2,in_port=2,ct_state=+rel,icmp,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl 1. Send and UDP packet to port 53 (src=192.100.1.8,dst=192.100.2.5)
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 2 resubmit\(,0\) '00010200020400232211223308004500001c000100004011f6fac0640108c06402050035003500087b9e'])

dnl 2. Send and UDP packet to port 53 (src=192.100.2.5,dst=192.100.1.8)
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 1 resubmit\(,0\) '00232211223300010200020408004500001c000100004011f6fac0640205c06401080035003500087b9e'])

dnl 3. Send an ICMP port unreach reply for port 53, related to the 2nd
dnl packet, but in the original direction of the conntrack entry created
dnl for the 1st packet.
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 2 resubmit\(,0\) '000102000204002322112233080045000038000100003f01f7eec0640108c0640205030a80e5ffffffff4500001c000100003f11f7fac0640205c06401080035003500087b9e'])

AT_CHECK([ovs-appctl revalidator/purge], [0])

dnl 4. Repeat 3.
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 2 resubmit\(,0\) '000102000204002322112233080045000038000100003f01f7eec0640108c0640205030a80e5ffffffff4500001c000100003f11f7fac0640205c06401080035003500087b9e'])

AT_CHECK([ovs-appctl revalidator/purge], [0])

AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort | grep -v drop], [0], [dnl
 n_packets=4, n_bytes=224, priority=100,ip actions=ct(table=1)
 priority=1000,arp actions=NORMAL
 table=1, n_packets=4, n_bytes=224, ip actions=ct(table=2,zone=34673)
 table=2, n_packets=1, n_bytes=42, udp,in_port=1 actions=ct(commit,zone=34673),output:2
 table=2, n_packets=1, n_bytes=42, udp,in_port=2 actions=ct(commit,zone=34673),output:1
 table=2, n_packets=2, n_bytes=140, ct_state=+rel,icmp,in_port=2 actions=output:1
NXST_FLOW reply:
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(192.100.1.8)], [0], [dnl
udp,orig=(src=192.100.1.8,dst=192.100.2.5,sport=<cleared>,dport=<cleared>),reply=(src=192.100.2.5,dst=192.100.1.8,sport=<cleared>,dport=<cleared>),zone=34673
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - ICMP related 2])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "172.16.0.1/24")
ADD_VETH(p1, at_ns1, br0, "172.16.0.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
table=0,ip,action=ct(commit,table=1)
table=1,ip,action=controller
])

AT_CHECK([ovs-ofctl --bundle replace-flows br0 flows.txt])

AT_CAPTURE_FILE([ofctl_monitor.log])
AT_CHECK([ovs-ofctl monitor br0 65534 invalid_ttl --detach --no-chdir --pidfile 2> ofctl_monitor.log])

dnl 1. Send an ICMP port unreach reply for port 8738, without any previous request
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 2 resubmit\(,0\) 'f64c473528c9c6f54ecb72db080045c0003d2e8700004001f351ac100004ac1000030303da490000000045000021317040004011b138ac100003ac10000411112222000d20966369616f0a'])

dnl 2. Send and UDP packet to port 5555
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 1 resubmit\(,0\) 'c6f94ecb72dbe64c473528c9080045000021317040004011b138ac100001ac100002a28e15b3000d20966369616f0a'])

dnl 3. Send an ICMP port unreach reply from a path midpoint for port 5555, related to the first packet
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 2 resubmit\(,0\) 'e64c473528c9c6f94ecb72db080045c0003d2e8700004001f354ac100003ac1000010303553f0000000045000021317040004011b138ac100001ac100002a28e15b3000d20966369616f0a'])

OVS_APP_EXIT_AND_WAIT([ovs-ofctl])

dnl Check this output. We only see the latter two packets, not the first.
AT_CHECK([cat ofctl_monitor.log | grep -v ff02 | grep -v fe80 | grep -v no_match], [0], [dnl
NXT_PACKET_IN2 (xid=0x0): table_id=1 cookie=0x0 total_len=75 ct_state=inv|trk,ip,in_port=2 (via action) data_len=75 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=c6:f5:4e:cb:72:db,dl_dst=f6:4c:47:35:28:c9,nw_src=172.16.0.4,nw_dst=172.16.0.3,nw_tos=192,nw_ecn=0,nw_ttl=64,icmp_type=3,icmp_code=3 icmp_csum:da49
NXT_PACKET_IN2 (xid=0x0): table_id=1 cookie=0x0 total_len=47 ct_state=new|trk,ct_nw_src=172.16.0.1,ct_nw_dst=172.16.0.2,ct_nw_proto=17,ct_tp_src=41614,ct_tp_dst=5555,ip,in_port=1 (via action) data_len=47 (unbuffered)
udp,vlan_tci=0x0000,dl_src=e6:4c:47:35:28:c9,dl_dst=c6:f9:4e:cb:72:db,nw_src=172.16.0.1,nw_dst=172.16.0.2,nw_tos=0,nw_ecn=0,nw_ttl=64,tp_src=41614,tp_dst=5555 udp_csum:2096
NXT_PACKET_IN2 (xid=0x0): table_id=1 cookie=0x0 total_len=75 ct_state=rel|rpl|trk,ct_nw_src=172.16.0.1,ct_nw_dst=172.16.0.2,ct_nw_proto=17,ct_tp_src=41614,ct_tp_dst=5555,ip,in_port=2 (via action) data_len=75 (unbuffered)
icmp,vlan_tci=0x0000,dl_src=c6:f9:4e:cb:72:db,dl_dst=e6:4c:47:35:28:c9,nw_src=172.16.0.3,nw_dst=172.16.0.1,nw_tos=192,nw_ecn=0,nw_ttl=64,icmp_type=3,icmp_code=3 icmp_csum:553f
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(172.16.0.1)], [0], [dnl
udp,orig=(src=172.16.0.1,dst=172.16.0.2,sport=<cleared>,dport=<cleared>),reply=(src=172.16.0.2,dst=172.16.0.1,sport=<cleared>,dport=<cleared>)
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(172.16.0.3)], [0], [dnl
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 fragmentation])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Sending ping through conntrack
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,icmp,action=ct(commit,zone=9),2
priority=100,in_port=2,ct_state=-trk,icmp,action=ct(table=0,zone=9)
priority=100,in_port=2,ct_state=+trk+est-new,icmp,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Modify userspace conntrack fragmentation handling.
DPCTL_MODIFY_FRAGMENTATION()

dnl Ipv4 fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Ipv4 larger fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Check userspace conntrack fragmentation counters.
DPCTL_CHECK_FRAGMENTATION_PASS()

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 fragmentation expiry])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal

dnl Only allow non-fragmented messages and 1st fragments of each message
priority=100,in_port=1,icmp,ip_frag=no,action=ct(commit,zone=9),2
priority=100,in_port=1,icmp,ip_frag=firstaction=ct(commit,zone=9),2
priority=100,in_port=2,ct_state=-trk,icmp,action=ct(table=0,zone=9)
priority=100,in_port=2,ct_state=+trk+est-new,icmp,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Modify userspace conntrack fragmentation handling.
DPCTL_MODIFY_FRAGMENTATION()

dnl Ipv4 fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 1 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
7 packets transmitted, 0 received, 100% packet loss, time 0ms
])

dnl Check userspace conntrack fragmentation counters.
DPCTL_CHECK_FRAGMENTATION_FAIL()

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 fragmentation + vlan])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
ADD_VLAN(p0, at_ns0, 100, "10.2.2.1/24")
ADD_VLAN(p1, at_ns1, 100, "10.2.2.2/24")

dnl Sending ping through conntrack
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,icmp,action=ct(commit,zone=9),2
priority=100,in_port=2,ct_state=-trk,icmp,action=ct(table=0,zone=9)
priority=100,in_port=2,ct_state=+trk+est-new,icmp,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Modify userspace conntrack fragmentation handling.
DPCTL_MODIFY_FRAGMENTATION()

dnl Ipv4 fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Ipv4 larger fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Check userspace conntrack fragmentation counters.
DPCTL_CHECK_FRAGMENTATION_PASS()

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 fragmentation + cvlan])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START([set Open_vSwitch . other_config:vlan-limit=0])
OVS_CHECK_8021AD()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

ADD_SVLAN(p0, at_ns0, 4094, "10.255.2.1/24")
ADD_SVLAN(p1, at_ns1, 4094, "10.255.2.2/24")

ADD_CVLAN(p0.4094, at_ns0, 100, "10.2.2.1/24")
ADD_CVLAN(p1.4094, at_ns1, 100, "10.2.2.2/24")

dnl Sending ping through conntrack
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,icmp,action=ct(commit,zone=9),2
priority=100,in_port=2,ct_state=-trk,icmp,action=ct(table=0,zone=9)
priority=100,in_port=2,ct_state=+trk+est-new,icmp,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.2.2.2])

dnl Ipv4 fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Ipv4 fragmentation connectivity check. (outer svlan)
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.255.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Ipv4 larger fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Ipv4 larger fragmentation connectivity check. (outer svlan)
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.255.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 fragmentation incomplete reassembled packet])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()


ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=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,  actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

dnl Uses same first fragment as above 'incomplete reassembled packet' test.
AT_SETUP([conntrack - IPv4 fragmentation with fragments specified])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=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,  actions=ct(commit)
packet-out in_port=1, packet=50540000000a505400000009080045000030000100320011a4860a0101010a01010200010002000800000010203040506070809000010203040506070809, actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 fragmentation out of order])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=50540000000a505400000009080045000030000100320011a4860a0101010a01010200010002000800000010203040506070809000010203040506070809, actions=ct(commit)
packet-out in_port=1, packet=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,  actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 fragmentation overlapping fragments by 1 octet])
CHECK_CONNTRACK()
CHECK_CONNTRACK_FRAG_OVERLAP()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=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,  actions=ct(commit)
packet-out in_port=1, packet=50540000000a505400000009080045000030000100310011a4870a0101010a01010200010002000800000010203040506070809000010203040506070809, actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])
dnl There is one byte of overlap, hence no packet gets thru. conntrack.
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 fragmentation overlapping fragments by 1 octet out of order])
CHECK_CONNTRACK()
CHECK_CONNTRACK_FRAG_OVERLAP()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=50540000000a505400000009080045000030000100310011a4870a0101010a01010200010002000800000010203040506070809000010203040506070809, actions=ct(commit)
packet-out in_port=1, packet=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,  actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])
dnl There is one byte of overlap, hence no packet gets thru. conntrack.
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 fragmentation])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

dnl Sending ping through conntrack
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,in_port=1,ipv6,action=ct(commit,zone=9),2
priority=10,in_port=2,ct_state=-trk,ipv6,action=ct(table=0,zone=9)
priority=10,in_port=2,ct_state=+trk+est-new,ipv6,action=1
priority=100,icmp6,icmp_type=135,action=normal
priority=100,icmp6,icmp_type=136,action=normal
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2])

dnl Ipv6 fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping6 -s 1600 -q -c 3 -i 0.3 -w 2 fc00::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Ipv6 larger fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping6 -s 3200 -q -c 3 -i 0.3 -w 2 fc00::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 fragmentation expiry])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

AT_DATA([flows.txt], [dnl
priority=1,action=drop

dnl Only allow non-fragmented messages and 1st fragments of each message
priority=10,in_port=1,ipv6,ip_frag=first,action=ct(commit,zone=9),2
priority=10,in_port=1,ipv6,ip_frag=no,action=ct(commit,zone=9),2
priority=10,in_port=2,ct_state=-trk,ipv6,action=ct(table=0,zone=9)
priority=10,in_port=2,ct_state=+trk+est-new,ipv6,action=1

dnl Neighbour Discovery
priority=100,icmp6,icmp_type=135,action=normal
priority=100,icmp6,icmp_type=136,action=normal
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2])

dnl Send an IPv6 fragment. Some time later, it should expire.
NS_CHECK_EXEC([at_ns0], [ping6 -s 1600 -q -c 1 -i 0.3 -w 2 fc00::2 | FORMAT_PING], [0], [dnl
7 packets transmitted, 0 received, 100% packet loss, time 0ms
])

dnl At this point, the kernel will either crash or everything is OK.

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 fragmentation + vlan])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

ADD_VLAN(p0, at_ns0, 100, "fc00:1::3/96")
ADD_VLAN(p1, at_ns1, 100, "fc00:1::4/96")

dnl Sending ping through conntrack
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,in_port=1,ipv6,action=ct(commit,zone=9),2
priority=10,in_port=2,ct_state=-trk,ipv6,action=ct(table=0,zone=9)
priority=10,in_port=2,ct_state=+trk+est-new,ipv6,action=1
priority=100,icmp6,icmp_type=135,action=normal
priority=100,icmp6,icmp_type=136,action=normal
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2])

dnl Ipv4 fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping6 -s 1600 -q -c 3 -i 0.3 -w 2 fc00:1::4 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Ipv4 larger fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping6 -s 3200 -q -c 3 -i 0.3 -w 2 fc00:1::4 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 fragmentation + cvlan])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START([set Open_vSwitch . other_config:vlan-limit=0])
OVS_CHECK_8021AD()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

ADD_SVLAN(p0, at_ns0, 4094, "fc00:ffff::3/96")
ADD_SVLAN(p1, at_ns1, 4094, "fc00:ffff::4/96")

ADD_CVLAN(p0.4094, at_ns0, 100, "fc00:1::3/96")
ADD_CVLAN(p1.4094, at_ns1, 100, "fc00:1::4/96")

dnl Sending ping through conntrack
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,in_port=1,ipv6,action=ct(commit,zone=9),2
priority=10,in_port=2,ct_state=-trk,ipv6,action=ct(table=0,zone=9)
priority=10,in_port=2,ct_state=+trk+est-new,ipv6,action=1
priority=100,icmp6,icmp_type=135,action=normal
priority=100,icmp6,icmp_type=136,action=normal
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00:1::4])

dnl Ipv6 fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping6 -s 1600 -q -c 3 -i 0.3 -w 2 fc00:1::4 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Ipv6 fragmentation connectivity check. (outer svlan)
NS_CHECK_EXEC([at_ns0], [ping6 -s 1600 -q -c 3 -i 0.3 -w 2 fc00:ffff::4 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Ipv6 larger fragmentation connectivity check.
NS_CHECK_EXEC([at_ns0], [ping6 -s 3200 -q -c 3 -i 0.3 -w 2 fc00:1::4 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Ipv6 larger fragmentation connectivity check. (outer svlan)
NS_CHECK_EXEC([at_ns0], [ping6 -s 3200 -q -c 3 -i 0.3 -w 2 fc00:ffff::4 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 fragmentation incomplete reassembled packet])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=50540000000a50540000000986dd6000000005002cfffc000000000000000000000000000001fc0000000000000000000000000000021100000100000001000100020008f62900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070,  actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 fragmentation with fragments specified])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=50540000000A50540000000986DD6000000005002CFFFC000000000000000000000000000001FC0000000000000000000000000000021100000100000001000100020008267100010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070,  actions=ct(commit)
packet-out in_port=1, packet=50540000000A50540000000986DD6000000000242CFFFC000000000000000000000000000001FC000000000000000000000000000002110004F80000000100010002000800000001020304050607080900010203040506070809, actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
udp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 fragmentation out of order])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=50540000000A50540000000986DD6000000000242CFFFC000000000000000000000000000001FC000000000000000000000000000002110004F80000000100010002000800000001020304050607080900010203040506070809, actions=ct(commit)
packet-out in_port=1, packet=50540000000A50540000000986DD6000000005002CFFFC000000000000000000000000000001FC0000000000000000000000000000021100000100000001000100020008267100010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070,  actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
udp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 fragmentation, multiple extension headers])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

# Add different extension headers
AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=50540000000A50540000000986DD60000000050800FFFC000000000000000000000000000001FC0000000000000000000000000000022C000000000000001100000100000001000100020008267100010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070,  actions=ct(commit)
packet-out in_port=1, packet=50540000000a50540000000986dd60000000002c00fffc000000000000000000000000000001fc0000000000000000000000000000022c00000000000000110004f80000000100010002000800000001020304050607080900010203040506070809, actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
udp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 fragmentation, multiple extension headers + out of order])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

# Add different extension headers
AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=50540000000a50540000000986dd60000000002c00fffc000000000000000000000000000001fc0000000000000000000000000000022c00000000000000110004f80000000100010002000800000001020304050607080900010203040506070809, actions=ct(commit)
packet-out in_port=1, packet=50540000000A50540000000986DD60000000050800FFFC000000000000000000000000000001FC0000000000000000000000000000022C000000000000001100000100000001000100020008267100010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070,  actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
udp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 fragmentation, multiple extension headers 2])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

# Add different extension headers
AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=50540000000A50540000000986DD60000000050800FFFC000000000000000000000000000001FC0000000000000000000000000000022C000000050200001100000100000001000100020008267100010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070,  actions=ct(commit)
packet-out in_port=1, packet=50540000000a50540000000986dd60000000002c00fffc000000000000000000000000000001fc0000000000000000000000000000022c00000005020000110004f80000000100010002000800000001020304050607080900010203040506070809, actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
udp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 fragmentation, multiple extension headers 2 + out of order])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
DPCTL_SET_MIN_FRAG_SIZE()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

# Add different extension headers
AT_DATA([bundle.txt], [dnl
packet-out in_port=1, packet=50540000000a50540000000986dd60000000002c00fffc000000000000000000000000000001fc0000000000000000000000000000022c00000005020000110004f80000000100010002000800000001020304050607080900010203040506070809, actions=ct(commit)
packet-out in_port=1, packet=50540000000A50540000000986DD60000000050800FFFC000000000000000000000000000001FC0000000000000000000000000000022C000000050200001100000100000001000100020008267100010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070809001020304050607080900102030405060708090010203040506070,  actions=ct(commit)
])

AT_CHECK([ovs-ofctl bundle br0 bundle.txt])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
udp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - Fragmentation over vxlan])
OVS_CHECK_VXLAN()
CHECK_CONNTRACK()
CHECK_CONNTRACK_LOCAL_STACK()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Sending ping through conntrack
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,icmp,action=ct(commit,zone=9),LOCAL
priority=100,in_port=LOCAL,icmp,action=ct(table=1,zone=9)
table=1,in_port=LOCAL,ct_state=+trk+est,icmp,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24")
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([vxlan], [br0], [at_vxlan0], [172.31.1.1], [10.1.1.100/24])
ADD_NATIVE_TUNNEL([vxlan], [at_vxlan1], [at_ns0], [172.31.1.100], [10.1.1.1/24],
                  [id 0 dstport 4789])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 172.31.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 Fragmentation over vxlan])
OVS_CHECK_VXLAN()
CHECK_CONNTRACK()
CHECK_CONNTRACK_LOCAL_STACK()

OVS_TRAFFIC_VSWITCHD_START()
ADD_BR([br-underlay])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])

ADD_NAMESPACES(at_ns0)

dnl Sending ping through conntrack
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=100,in_port=1,ipv6,action=ct(commit,zone=9),LOCAL
priority=100,in_port=LOCAL,ipv6,action=ct(table=1,zone=9)
table=1,in_port=LOCAL,ct_state=+trk+est,ipv6,action=1

dnl Neighbour Discovery
priority=1000,icmp6,icmp_type=135,action=normal
priority=1000,icmp6,icmp_type=136,action=normal
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Set up underlay link from host into the namespace using veth pair.
ADD_VETH(p0, at_ns0, br-underlay, "172.31.1.1/24")
AT_CHECK([ip addr add dev br-underlay "172.31.1.100/24"])
AT_CHECK([ip link set dev br-underlay up])

dnl Set up tunnel endpoints on OVS outside the namespace and with a native
dnl linux device inside the namespace.
ADD_OVS_TUNNEL([vxlan], [br0], [at_vxlan0], [172.31.1.1], ["fc00::2/96"])
ADD_NATIVE_TUNNEL([vxlan], [at_vxlan1], [at_ns0], [172.31.1.100], ["fc00::1/96"],
                  [id 0 dstport 4789])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2])

dnl First, check the underlay
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 172.31.1.100 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Okay, now check the overlay with different packet sizes
NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping6 -s 1600 -q -c 3 -i 0.3 -w 2 fc00::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
NS_CHECK_EXEC([at_ns0], [ping6 -s 3200 -q -c 3 -i 0.3 -w 2 fc00::2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - resubmit to ct multiple times])
CHECK_CONNTRACK()

OVS_TRAFFIC_VSWITCHD_START(
   [set-fail-mode br0 secure -- ])

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([flows.txt], [dnl
table=0,priority=150,arp,action=normal
table=0,priority=100,ip,in_port=1,action=resubmit(,1),resubmit(,2)

table=1,ip,action=ct(table=3)
table=2,ip,action=ct(table=3)

table=3,ip,action=drop
])

AT_CHECK([ovs-ofctl add-flows br0 flows.txt])

NS_CHECK_EXEC([at_ns0], [ping -q -c 1 10.1.1.2 | FORMAT_PING], [0], [dnl
1 packets transmitted, 0 received, 100% packet loss, time 0ms
])

AT_CHECK([ovs-ofctl dump-flows br0 | ofctl_strip | sort], [0], [dnl
 n_packets=1, n_bytes=98, priority=100,ip,in_port=1 actions=resubmit(,1),resubmit(,2)
 n_packets=2, n_bytes=84, priority=150,arp actions=NORMAL
 table=1, n_packets=1, n_bytes=98, ip actions=ct(table=3)
 table=2, n_packets=1, n_bytes=98, ip actions=ct(table=3)
 table=3, n_packets=2, n_bytes=196, ip actions=drop
NXST_FLOW reply:
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - zone-based timeout policy])
CHECK_CONNTRACK()
CHECK_CONNTRACK_TIMEOUT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,ip,action=ct(zone=5, table=1)
priority=100,in_port=2,ip,action=ct(zone=5, table=1)
table=1,in_port=2,ip,ct_state=+trk+est,action=1
table=1,in_port=1,ip,ct_state=+trk+new,action=ct(commit,zone=5),2
table=1,in_port=1,ip,ct_state=+trk+est,action=2
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Test with default timeout
dnl The default udp_single and icmp_first timeouts are 30 seconds in
dnl kernel DP, and 60 seconds in userspace DP.

dnl Send ICMP and UDP traffic
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000200080000 actions=resubmit(,0)"])

sleep 4

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sort], [0], [dnl
icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0),zone=5
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=5
])

AT_CHECK([ovs-appctl dpctl/flush-conntrack])

dnl Shorten the udp_single and icmp_first timeout in zone 5
VSCTL_ADD_DATAPATH_TABLE()
AT_CHECK([ovs-vsctl add-zone-tp $DP_TYPE zone=5 udp_single=3 icmp_first=3])

dnl Send ICMP and UDP traffic
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000200080000 actions=resubmit(,0)"])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sort], [0], [dnl
icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0),zone=5
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=5
])

dnl Wait until the timeout expire.
dnl We intend to wait a bit longer, because conntrack does not recycle the entry right after it is expired.
sleep 4

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
])

dnl Re-send ICMP and UDP traffic to test conntrack cache
NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000200080000 actions=resubmit(,0)"])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sort], [0], [dnl
icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0),zone=5
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=5
])

dnl Wait until the timeout expire.
dnl We intend to wait a bit longer, because conntrack does not recycle the entry right after it is expired.
sleep 4

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

dnl Check kernel datapath to make sure conntrack fills in L3 and L4
dnl protocol information
AT_SETUP([conntrack - fragment reassembly with L3 L4 protocol information])
CHECK_CONNTRACK()
CHECK_L3L4_CONNTRACK_REASM()
OVS_TRAFFIC_VSWITCHD_START()

AT_DATA([flows.txt], [dnl
action=normal
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

AT_CHECK([ovs-ofctl packet-out br0 "packet=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"dnl
"16161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161"dnl
"61616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616"dnl
"1616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161, actions=ct(table=1)"])

AT_CHECK([ovs-ofctl packet-out br0 "packet=52540003287c525400444ab586dd6006f70602682c402001000100000000000000000000002020010001000000000000000000000010110005a834e88deb6161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616"dnl
"161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161, actions=ct(table=1)"])

AT_CHECK([ovs-ofctl packet-out br0 "packet=52540003287c525400444ab586dd6006f706033d1140200100010000000000000000000000202001000100000000000000000000001013891389033d923861616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616"dnl
"1616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161610a, actions=ct(table=1)"])

AT_CHECK([ovs-appctl dpctl/dump-flows | head -2 | tail -1 | grep -q -e ["]udp[(]src=5001["]])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_BANNER([conntrack - L7])

AT_SETUP([conntrack - IPv4 HTTP])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,action=ct(commit),2
priority=100,in_port=2,ct_state=-trk,tcp,action=ct(table=0)
priority=100,in_port=2,ct_state=+trk+est,tcp,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns0], [http])
OVS_START_L7([at_ns1], [http])

dnl HTTP requests from ns0->ns1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])

dnl HTTP requests from ns1->ns0 should fail due to network failure.
dnl Try 3 times, in 1 second intervals.
NS_CHECK_EXEC([at_ns1], [wget 10.1.1.1 -t 3 -T 1 --retry-connrefused -v -o wget1.log], [4])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 HTTP])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,icmp6,action=normal
priority=100,in_port=1,tcp6,action=ct(commit),2
priority=100,in_port=2,ct_state=-trk,tcp6,action=ct(table=0)
priority=100,in_port=2,ct_state=+trk+est,tcp6,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2])

OVS_START_L7([at_ns0], [http6])
OVS_START_L7([at_ns1], [http6])

dnl HTTP requests from ns0->ns1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget http://[[fc00::2]] -t 3 -T 1 --retry-connrefused -v -o wget0.log])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
tcp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])

dnl HTTP requests from ns1->ns0 should fail due to network failure.
dnl Try 3 times, in 1 second intervals.
NS_CHECK_EXEC([at_ns1], [wget http://[[fc00::1]] -t 3 -T 1 --retry-connrefused -v -o wget1.log], [4])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - commit, recirc])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2, at_ns3)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
ADD_VETH(p2, at_ns2, br0, "10.1.1.3/24")
ADD_VETH(p3, at_ns3, br0, "10.1.1.4/24")

dnl Allow any traffic from ns0->ns1, ns2->ns3.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=10,icmp,action=normal
priority=100,in_port=1,tcp,ct_state=-trk,action=ct(commit,table=0)
priority=100,in_port=1,tcp,ct_state=+trk,action=2
priority=100,in_port=2,tcp,ct_state=-trk,action=ct(table=0)
priority=100,in_port=2,tcp,ct_state=+trk,action=1
priority=100,in_port=3,tcp,ct_state=-trk,action=set_field:0->metadata,ct(table=0)
priority=100,in_port=3,tcp,ct_state=+trk,metadata=0,action=set_field:1->metadata,ct(commit,table=0)
priority=100,in_port=3,tcp,ct_state=+trk,metadata=1,action=4
priority=100,in_port=4,tcp,ct_state=-trk,action=ct(commit,table=0)
priority=100,in_port=4,tcp,ct_state=+trk,action=3
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns1], [http])
OVS_START_L7([at_ns3], [http])

dnl HTTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl HTTP requests from p2->p3 should work fine.
NS_CHECK_EXEC([at_ns2], [wget 10.1.1.4 -t 3 -T 1 --retry-connrefused -v -o wget1.log])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - multiple zones, local])
CHECK_CONNTRACK()
CHECK_CONNTRACK_LOCAL_STACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0)

AT_CHECK([ip addr add dev br0 "10.1.1.1/24"])
AT_CHECK([ip link set dev br0 up])
on_exit 'ip addr del dev br0 "10.1.1.1/24"'
ADD_VETH(p0, at_ns0, br0, "10.1.1.2/24")

dnl Allow traffic from local stack to ns0. Only allow neighbour discovery,
dnl return traffic from ns0 back to the local stack.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=LOCAL,ip,ct_state=-trk,action=drop
priority=100,in_port=LOCAL,ip,ct_state=+trk+new,action=ct(commit,zone=1),ct(commit,zone=2),1
priority=100,in_port=LOCAL,ip,ct_state=+trk+est,action=ct(commit,zone=1),ct(commit,zone=2),1
priority=100,in_port=1,ip,ct_state=-trk,action=ct(table=1,zone=1)
table=1,in_port=1,ip,ct_state=+trk+est,ct_zone=1,action=ct(table=2,zone=2)
table=2,in_port=1,ip,ct_state=+trk+est,ct_zone=2,action=LOCAL
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

AT_CHECK([ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_START_L7([at_ns0], [http])

dnl HTTP requests from root namespace to p0 should work fine.
AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl (again) HTTP requests from root namespace to  p0 should work fine.
AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | grep "zone"], [0], [dnl
icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0),zone=1
icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0),zone=2
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=2,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - multi-stage pipeline, local])
CHECK_CONNTRACK()
CHECK_CONNTRACK_LOCAL_STACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0)

AT_CHECK([ip addr add dev br0 "10.1.1.1/24"])
AT_CHECK([ip link set dev br0 up])
on_exit 'ip addr del dev br0 "10.1.1.1/24"'
ADD_VETH(p0, at_ns0, br0, "10.1.1.2/24")

dnl Allow traffic from local stack to ns0. Only allow neighbour discovery,
dnl return traffic from ns0 back to the local stack.
AT_DATA([flows.txt], [dnl
dnl default
table=0,priority=1,action=drop
table=0,priority=10,arp,action=normal

dnl Load the output port to REG0
table=0,priority=100,ip,in_port=LOCAL,action=load:1->NXM_NX_REG0[[0..15]],goto_table:1
table=0,priority=100,ip,in_port=1,action=load:65534->NXM_NX_REG0[[0..15]],goto_table:1

dnl Ingress pipeline
dnl - Allow all connections from LOCAL port (commit and proceed to egress)
dnl - All other connections go through conntracker using the input port as
dnl   a connection tracking zone.
table=1,priority=150,in_port=LOCAL,ip,ct_state=+trk+new,action=ct(commit,table=2,zone=OXM_OF_IN_PORT[[0..15]])
table=1,priority=100,ip,action=ct(table=2,zone=OXM_OF_IN_PORT[[0..15]])
table=1,priority=1,action=drop

dnl Egress pipeline
dnl - Allow all connections from LOCAL port (commit and skip to output)
dnl - Allow other established connections to go through conntracker using
dnl   output port as a connection tracking zone.
table=2,priority=150,in_port=LOCAL,ip,ct_state=+trk+new,action=ct(commit,table=4,zone=NXM_NX_REG0[[0..15]])
table=2,priority=100,ip,ct_state=+trk+est,action=ct(table=3,zone=NXM_NX_REG0[[0..15]])
table=2,priority=1,action=drop

dnl Only allow established traffic from egress ct lookup
table=3,priority=100,ip,ct_state=+trk+est,action=goto_table:4
table=3,priority=1,action=drop

dnl output table
table=4,priority=100,ip,action=output:NXM_NX_REG0[[]]
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

AT_CHECK([ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_START_L7([at_ns0], [http])

dnl HTTP requests from root namespace to p0 should work fine.
AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl (again) HTTP requests from root namespace to p0 should work fine.
AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | grep "zone"], [0], [dnl
icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0),zone=1
icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0),zone=65534
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=65534,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - limit by zone])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,arp,action=normal
priority=100,in_port=1,udp,action=ct(commit),2
priority=100,in_port=2,udp,action=ct(zone=3,commit),1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

AT_CHECK([ovs-appctl dpctl/ct-set-limits default=10 zone=0,limit=5 zone=1,limit=15 zone=2,limit=3 zone=3,limit=3])
AT_CHECK([ovs-appctl dpctl/ct-del-limits zone=1,2,4])
AT_CHECK([ovs-appctl dpctl/ct-get-limits zone=0,1,2,3], [],[dnl
default limit=10
zone=0,limit=5,count=0
zone=1,limit=10,count=0
zone=2,limit=10,count=0
zone=3,limit=3,count=0
])

dnl Test UDP from port 1
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000200080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000300080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000400080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000500080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000600080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000700080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000800080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000900080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000a00080000 actions=resubmit(,0)"])

AT_CHECK([ovs-appctl dpctl/ct-get-limits zone=0,1,2,3,4,5], [0], [dnl
default limit=10
zone=0,limit=5,count=5
zone=1,limit=10,count=0
zone=2,limit=10,count=0
zone=3,limit=3,count=0
zone=4,limit=10,count=0
zone=5,limit=10,count=0
])

dnl Test ct-get-limits for all zoens
AT_CHECK([ovs-appctl dpctl/ct-get-limits], [0], [dnl
default limit=10
zone=0,limit=5,count=5
zone=3,limit=3,count=0
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | grep "orig=.src=10\.1\.1\.1," | sort ], [0], [dnl
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=1,dport=2),reply=(src=10.1.1.2,dst=10.1.1.1,sport=2,dport=1)
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=1,dport=3),reply=(src=10.1.1.2,dst=10.1.1.1,sport=3,dport=1)
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=1,dport=4),reply=(src=10.1.1.2,dst=10.1.1.1,sport=4,dport=1)
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=1,dport=5),reply=(src=10.1.1.2,dst=10.1.1.1,sport=5,dport=1)
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=1,dport=6),reply=(src=10.1.1.2,dst=10.1.1.1,sport=6,dport=1)
])

dnl Test UDP from port 2
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=2 packet=50540000000a50540000000908004500001c000000000011a4c90a0101030a0101040001000200080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=2 packet=50540000000a50540000000908004500001c000000000011a4c90a0101030a0101040001000300080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=2 packet=50540000000a50540000000908004500001c000000000011a4c90a0101030a0101040001000400080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=2 packet=50540000000a50540000000908004500001c000000000011a4c90a0101030a0101040001000500080000 actions=resubmit(,0)"])
AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=2 packet=50540000000a50540000000908004500001c000000000011a4c90a0101030a0101040001000600080000 actions=resubmit(,0)"])

AT_CHECK([ovs-appctl dpctl/ct-get-limits zone=0,3], [0], [dnl
default limit=10
zone=0,limit=5,count=5
zone=3,limit=3,count=3
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | grep "orig=.src=10\.1\.1\.3," | sort ], [0], [dnl
udp,orig=(src=10.1.1.3,dst=10.1.1.4,sport=1,dport=2),reply=(src=10.1.1.4,dst=10.1.1.3,sport=2,dport=1),zone=3
udp,orig=(src=10.1.1.3,dst=10.1.1.4,sport=1,dport=3),reply=(src=10.1.1.4,dst=10.1.1.3,sport=3,dport=1),zone=3
udp,orig=(src=10.1.1.3,dst=10.1.1.4,sport=1,dport=4),reply=(src=10.1.1.4,dst=10.1.1.3,sport=4,dport=1),zone=3
])

OVS_TRAFFIC_VSWITCHD_STOP(["dnl
/could not create datapath/d
/(Cannot allocate memory) on packet/d"])
AT_CLEANUP

AT_SETUP([FTP - no conntrack])
AT_SKIP_IF([test $HAVE_FTP = no])
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([flows.txt], [dnl
table=0,action=normal
])

AT_CHECK([ovs-ofctl --bundle replace-flows br0 flows.txt])

NETNS_DAEMONIZE([at_ns0], [[$PYTHON3 $srcdir/test-l7.py ftp]], [ftp1.pid])
NETNS_DAEMONIZE([at_ns1], [[$PYTHON3 $srcdir/test-l7.py ftp]], [ftp0.pid])
OVS_WAIT_UNTIL([ip netns exec at_ns1 netstat -l | grep ftp])

dnl FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.1.2 --no-passive-ftp -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([find -name index.html], [0], [dnl
./index.html
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - FTP])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_ALG()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows1.txt], [dnl
table=0,priority=1,action=drop
table=0,priority=10,arp,action=normal
table=0,priority=10,icmp,action=normal
table=0,priority=100,in_port=1,tcp,action=ct(alg=ftp,commit),2
table=0,priority=100,in_port=2,tcp,action=ct(table=1)
table=1,in_port=2,tcp,ct_state=+trk+est,action=1
table=1,in_port=2,tcp,ct_state=+trk+rel,action=1
])

dnl Similar policy but without allowing all traffic from ns0->ns1.
AT_DATA([flows2.txt], [dnl
table=0,priority=1,action=drop
table=0,priority=10,arp,action=normal
table=0,priority=10,icmp,action=normal

dnl Allow outgoing TCP connections, and treat them as FTP
table=0,priority=100,in_port=1,tcp,action=ct(table=1)
table=1,in_port=1,tcp,ct_state=+trk+new,action=ct(commit,alg=ftp),2
table=1,in_port=1,tcp,ct_state=+trk+est,action=2

dnl Allow incoming FTP data connections and responses to existing connections
table=0,priority=100,in_port=2,tcp,action=ct(table=1)
table=1,in_port=2,tcp,ct_state=+trk+new+rel,action=ct(commit),1
table=1,in_port=2,tcp,ct_state=+trk+est,action=1
table=1,in_port=2,tcp,ct_state=+trk-new+rel,action=1
])

dnl flows3 is same as flows1, except no ALG is specified.
AT_DATA([flows3.txt], [dnl
table=0,priority=1,action=drop
table=0,priority=10,arp,action=normal
table=0,priority=10,icmp,action=normal
table=0,priority=100,in_port=1,tcp,action=ct(commit),2
table=0,priority=100,in_port=2,tcp,action=ct(table=1)
table=1,in_port=2,tcp,ct_state=+trk+est,action=1
table=1,in_port=2,tcp,ct_state=+trk+rel,action=1
])

AT_CHECK([ovs-ofctl --bundle replace-flows br0 flows1.txt])

OVS_START_L7([at_ns0], [ftp])
OVS_START_L7([at_ns1], [ftp])

dnl FTP requests from p1->p0 should fail due to network failure.
dnl Try 3 times, in 1 second intervals.
NS_CHECK_EXEC([at_ns1], [wget ftp://10.1.1.1 --no-passive-ftp  -t 3 -T 1 -v -o wget1.log], [4])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.1)], [0], [dnl
])

dnl FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.1.2 --no-passive-ftp -t 3 -T 1 --retry-connrefused -v -o wget0.log])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
])

dnl Try the second set of flows.
AT_CHECK([ovs-ofctl --bundle replace-flows br0 flows2.txt])
AT_CHECK([ovs-appctl dpctl/flush-conntrack])

dnl FTP requests from p1->p0 should fail due to network failure.
dnl Try 3 times, in 1 second intervals.
NS_CHECK_EXEC([at_ns1], [wget ftp://10.1.1.1 --no-passive-ftp  -t 3 -T 1 -v -o wget1.log], [4])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.1)], [0], [dnl
])

dnl Active FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.1.2 --no-passive-ftp -t 3 -T 1 --retry-connrefused -v -o wget0-1.log])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])

AT_CHECK([ovs-appctl dpctl/flush-conntrack])

dnl Passive FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0-2.log])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
])

dnl Try the third set of flows, without alg specifier.
AT_CHECK([ovs-ofctl --bundle replace-flows br0 flows3.txt])
AT_CHECK([ovs-appctl dpctl/flush-conntrack])

dnl FTP control requests from p0->p1 should work fine, but helper will not be assigned.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.1.2 --no-passive-ftp -t 3 -T 1 --retry-connrefused -v -o wget0-3.log], [4])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - FTP over IPv6])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_ALG()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")

dnl Allow any traffic from ns0->ns1.
dnl Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
dnl Track all IPv6 traffic and drop the rest.
dnl Allow ICMPv6 both ways.  No commit, so pings will not be tracked.
table=0 priority=100 in_port=1 icmp6, action=2
table=0 priority=100 in_port=2 icmp6, action=1
table=0 priority=10 ip6, action=ct(table=1)
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl
dnl Allow new TCPv6 FTP control connections from port 1.
table=1 in_port=1 ct_state=+new, tcp6, tp_dst=21, action=ct(alg=ftp,commit),2
dnl Allow related TCPv6 connections from port 2.
table=1 in_port=2 ct_state=+new+rel, tcp6, action=ct(commit),1
dnl Allow established TCPv6 connections both ways.
table=1 in_port=1 ct_state=+est, tcp6, action=2
table=1 in_port=2 ct_state=+est, tcp6, action=1
dnl Drop everything else.
table=1 priority=0, action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2 >/dev/null])

OVS_START_L7([at_ns1], [ftp])

dnl FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://[[fc00::2]] -6 --no-passive-ftp -t 3 -T 1 --retry-connrefused -v --server-response --no-remove-listing -o wget0.log -d])

dnl Discards CLOSE_WAIT and CLOSING
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
tcp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>),reply=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 FTP Passive])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_ALG()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address 80:88:88:88:88:99])
NS_CHECK_EXEC([at_ns0], [ip -6 neigh add fc00::2 lladdr 80:88:88:88:88:99 dev p0])
NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::1 lladdr 80:88:88:88:88:88 dev p1])

dnl Allow any traffic from ns0->ns1.
dnl Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
dnl Track all IPv6 traffic and drop the rest.
dnl Allow ICMPv6 both ways.  No commit, so pings will not be tracked.
table=0 priority=100 in_port=1 icmp6, action=2
table=0 priority=100 in_port=2 icmp6, action=1
table=0 priority=10 ip6, action=ct(table=1)
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl
dnl Allow new TCPv6 FTP control connections from port 1.
table=1 in_port=1 ct_state=+new, tcp6, tp_dst=21, action=ct(alg=ftp,commit),2
dnl Allow related TCPv6 connections from port 1.
table=1 in_port=1 ct_state=+new+rel, tcp6, action=ct(commit),2
dnl Allow established TCPv6 connections both ways.
table=1 in_port=1 ct_state=+est, tcp6, action=2
table=1 in_port=2 ct_state=+est, tcp6, action=1
dnl Drop everything else.
table=1 priority=0, action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2 >/dev/null])

OVS_START_L7([at_ns1], [ftp])

dnl FTP passive requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://[[fc00::2]] -6 -t 3 -T 1 --retry-connrefused -v --server-response --no-remove-listing -o wget0.log -d])

dnl Discards CLOSE_WAIT and CLOSING
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
tcp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
tcp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - FTP with multiple expectations])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_ALG()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Dual-firewall, allow all from ns1->ns2, allow established and ftp ns2->ns1.
AT_DATA([flows.txt], [dnl
table=0,priority=1,action=drop
table=0,priority=10,arp,action=normal
table=0,priority=10,icmp,action=normal

dnl Traffic from ns1
table=0,priority=100,in_port=1,tcp,action=ct(table=1,zone=1)
table=1,in_port=1,tcp,ct_zone=1,ct_state=+trk+new-rel,action=ct(commit,alg=ftp,zone=1),ct(commit,alg=ftp,zone=2),2
table=1,in_port=1,tcp,ct_zone=1,ct_state=+trk+new+rel,action=ct(commit,zone=1),ct(commit,zone=2),2
table=1,in_port=1,tcp,ct_zone=1,ct_state=+trk+est,action=ct(table=2,zone=2)
table=2,in_port=1,tcp,ct_zone=2,ct_state=+trk+est,action=2

dnl Traffic from ns2
table=0,priority=100,in_port=2,tcp,action=ct(table=1,zone=2)
table=1,in_port=2,tcp,ct_zone=2,ct_state=+trk+rel,action=ct(commit,zone=2),ct(commit,zone=1),1
table=1,in_port=2,tcp,ct_zone=2,ct_state=+trk+est,action=ct(table=2,zone=1)
table=2,in_port=2,tcp,ct_zone=1,ct_state=+trk+rel,action=ct(commit,zone=2),ct(commit,zone=1),1
table=2,in_port=2,tcp,ct_zone=1,ct_state=+trk+est,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

OVS_START_L7([at_ns0], [ftp])
OVS_START_L7([at_ns1], [ftp])

dnl FTP requests from p1->p0 should fail due to network failure.
dnl Try 3 times, in 1 second intervals.
NS_CHECK_EXEC([at_ns1], [wget ftp://10.1.1.1 --no-passive-ftp  -t 3 -T 1 -v -o wget1.log], [4])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.1)], [0], [dnl
])

dnl Active FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.1.2 --no-passive-ftp -t 3 -T 1 --retry-connrefused -v -o wget0.log])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=2,protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),zone=2,protoinfo=(state=<cleared>)
])

AT_CHECK([ovs-appctl dpctl/flush-conntrack])

dnl Passive FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=2,protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=2,protoinfo=(state=<cleared>),helper=ftp
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - TFTP])
AT_SKIP_IF([test $HAVE_TFTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_ALG()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows1.txt], [dnl
table=0,priority=1,action=drop
table=0,priority=10,arp,action=normal
table=0,priority=10,icmp,action=normal
table=0,priority=100,in_port=1,udp,action=ct(alg=tftp,commit),2
table=0,priority=100,in_port=2,udp,action=ct(table=1)
table=1,in_port=2,udp,ct_state=+trk+est,action=1
table=1,in_port=2,udp,ct_state=+trk+rel,action=1
])

dnl Similar policy but without allowing all traffic from ns0->ns1.
AT_DATA([flows2.txt], [dnl
table=0,priority=1,action=drop
table=0,priority=10,arp,action=normal
table=0,priority=10,icmp,action=normal

dnl Allow outgoing UDP connections, and treat them as TFTP
table=0,priority=100,in_port=1,udp,action=ct(table=1)
table=1,in_port=1,udp,ct_state=+trk+new-rel,action=ct(commit,alg=tftp),2
table=1,in_port=1,udp,ct_state=+trk+new+rel,action=ct(commit),2
table=1,in_port=1,udp,ct_state=+trk+est,action=2

dnl Allow incoming TFTP data connections and responses to existing connections
table=0,priority=100,in_port=2,udp,action=ct(table=1)
table=1,in_port=2,udp,ct_state=+trk+est,action=1
table=1,in_port=2,udp,ct_state=+trk+new+rel,action=1
])

AT_CHECK([ovs-ofctl --bundle replace-flows br0 flows1.txt])

OVS_START_L7([at_ns0], [tftp])
OVS_START_L7([at_ns1], [tftp])

dnl TFTP requests from p1->p0 should fail due to network failure.
NS_CHECK_EXEC([at_ns1], [[curl $CURL_OPT tftp://10.1.1.1/flows1.txt -o foo 2>curl0.log]], [28])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.1)], [0], [dnl
])

dnl TFTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [[curl $CURL_OPT tftp://10.1.1.2/flows1.txt -o foo 2>curl1.log]])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),helper=tftp
])

dnl Try the second set of flows.
AT_CHECK([ovs-ofctl --bundle replace-flows br0 flows2.txt])
AT_CHECK([ovs-appctl dpctl/flush-conntrack])

dnl TFTP requests from p1->p0 should fail due to network failure.
NS_CHECK_EXEC([at_ns1], [[curl $CURL_OPT tftp://10.1.1.1/flows1.txt -o foo 2>curl2.log]], [28])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.1)], [0], [dnl
])

dnl TFTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [[curl $CURL_OPT tftp://10.1.1.2/flows1.txt -o foo 2>curl3.log]])
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),helper=tftp
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_BANNER([conntrack - NAT])

AT_SETUP([conntrack - simple SNAT])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
in_port=1,ip,action=ct(commit,zone=1,nat(src=10.1.1.240-10.1.1.255)),2
in_port=2,ct_state=-trk,ip,action=ct(table=0,zone=1,nat)
in_port=2,ct_state=+trk,ct_zone=1,ip,action=1
dnl
dnl ARP
priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
priority=10 arp action=normal
priority=0,action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
table=8,reg2=0x0a0101f0/0xfffffff0,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=100 arp xreg0=0 action=normal
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl HTTP requests from p0->p1 should work fine.
OVS_START_L7([at_ns1], [http])
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 5 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sed -e 's/dst=10.1.1.2[[45]][[0-9]]/dst=10.1.1.2XX/' | uniq], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.2XX,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - SNAT with ct_mark change on reply])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address e6:66:c1:11:11:11])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.2 e6:66:c1:22:22:22])

ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns1], [arp -s 10.1.1.240 e6:66:c1:11:11:11])

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
in_port=1,ip,action=ct(commit,zone=1,nat(src=10.1.1.240)),2
in_port=2,ct_state=-trk,ip,action=ct(table=0,zone=1,nat)
dnl
dnl Setting the mark fails if the datapath can't find the existing conntrack
dnl entry after NAT has been reversed and the skb was lost due to an upcall.
dnl
in_port=2,ct_state=+trk,ct_zone=1,ip,action=ct(table=1,commit,zone=1,exec(set_field:1->ct_mark)),1
table=1,in_port=2,ct_mark=1,ct_state=+rpl,ct_zone=1,ip,action=1
dnl
priority=0,action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl ICMP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [ping -c 1 10.1.1.2 | FORMAT_PING], [0], [dnl
1 packets transmitted, 1 received, 0% packet loss, time 0ms
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sed -e 's/dst=10.1.1.2[[45]][[0-9]]/dst=10.1.1.2XX/'], [0], [dnl
icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.2XX,id=<cleared>,type=0,code=0),zone=1,mark=1
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - SNAT with port range])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
in_port=1,tcp,action=ct(commit,zone=1,nat(src=10.1.1.240-10.1.1.255:34567-34568,random)),2
in_port=2,ct_state=-trk,tcp,tp_dst=34567,action=ct(table=0,zone=1,nat)
in_port=2,ct_state=-trk,tcp,tp_dst=34568,action=ct(table=0,zone=1,nat)
in_port=2,ct_state=+trk,ct_zone=1,tcp,action=1
dnl
dnl ARP
priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
priority=10 arp action=normal
priority=0,action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
table=8,reg2=0x0a0101f0/0xfffffff0,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=100 arp xreg0=0 action=normal
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl HTTP requests from p0->p1 should work fine.
OVS_START_L7([at_ns1], [http])
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 5 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sed -e 's/dst=10.1.1.2[[45]][[0-9]]/dst=10.1.1.2XX/' | uniq], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.2XX,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - SNAT with port range using ICMP])
dnl Check PAT is not attempted on ICMP packets causing corrupted packets.
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
in_port=1,ip,action=ct(commit,zone=1,nat(src=10.1.1.240-10.1.1.255:20000)),2
in_port=2,ct_state=-trk,ip,action=ct(table=0,zone=1,nat)
in_port=2,ct_state=+trk,ct_zone=1,action=1
dnl
dnl ARP
priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
priority=10 arp action=normal
priority=0,action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
table=8,reg2=0x0a0101f0/0xfffffff0,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=100 arp xreg0=0 action=normal
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl ICMP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [ping -c 1 10.1.1.2 | FORMAT_PING], [0], [dnl
1 packets transmitted, 1 received, 0% packet loss, time 0ms
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sed -e 's/dst=10.1.1.2[[45]][[0-9]]/dst=10.1.1.2XX/'], [0], [dnl
icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.2XX,id=<cleared>,type=0,code=0),zone=1
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - SNAT with port range with exhaustion])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
in_port=1,tcp,action=ct(commit,zone=1,nat(src=10.1.1.240:34568,random)),2
in_port=2,ct_state=-trk,tcp,tp_dst=34567,action=ct(table=0,zone=1,nat)
in_port=2,ct_state=-trk,tcp,tp_dst=34568,action=ct(table=0,zone=1,nat)
in_port=2,ct_state=+trk,ct_zone=1,tcp,action=1
dnl
dnl ARP
priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
priority=10 arp action=normal
priority=0,action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
table=8,reg2=0x0a0101f0/0xfffffff0,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=100 arp xreg0=0 action=normal
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl HTTP requests from p0->p1 should work fine.
OVS_START_L7([at_ns1], [http])
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 1 -T 1 --retry-connrefused -v -o wget0.log])

NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 1 -T 1 --retry-connrefused -v -o wget0.log], [4])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sed -e 's/dst=10.1.1.2[[45]][[0-9]]/dst=10.1.1.2XX/' | uniq], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.2XX,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP(["dnl
/Unable to NAT due to tuple space exhaustion - if DoS attack, use firewalling and\/or zone partitioning./d
/Dropped .* log messages in last .* seconds \(most recently, .* seconds ago\) due to excessive rate/d"])
AT_CLEANUP

AT_SETUP([conntrack - more complex SNAT])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

AT_DATA([flows.txt], [dnl
dnl Track all IP traffic, NAT existing connections.
priority=100 ip action=ct(table=1,zone=1,nat)
dnl
dnl Allow ARP, but generate responses for NATed addresses
priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
priority=10 arp action=normal
priority=0 action=drop
dnl
dnl Allow any traffic from ns0->ns1. SNAT ns0 to 10.1.1.240-10.1.1.255
table=1 priority=100 in_port=1 ip ct_state=+trk+new-est action=ct(commit,zone=1,nat(src=10.1.1.240-10.1.1.255)),2
table=1 priority=100 in_port=1 ip ct_state=+trk-new+est action=2
dnl Only allow established traffic from ns1->ns0.
table=1 priority=100 in_port=2 ip ct_state=+trk-new+est action=1
table=1 priority=0 action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
table=8 priority=100 reg2=0x0a0101f0/0xfffffff0 action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
dnl Zero result means not found.
table=8 priority=0 action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl ARP TPA IP in reg2.
table=10 priority=100 arp xreg0=0 action=normal
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=10 arp arp_op=1 action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl HTTP requests from p0->p1 should work fine.
OVS_START_L7([at_ns1], [http])
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 5 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sed -e 's/dst=10.1.1.2[[45]][[0-9]]/dst=10.1.1.2XX/' | uniq], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.2XX,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - simple DNAT])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address 80:88:88:88:88:88])

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=100 in_port=1,ip,nw_dst=10.1.1.64,action=ct(zone=1,nat(dst=10.1.1.2),commit),2
priority=10 in_port=1,ip,action=ct(commit,zone=1),2
priority=100 in_port=2,ct_state=-trk,ip,action=ct(table=0,nat,zone=1)
priority=100 in_port=2,ct_state=+trk+est,ct_zone=1,ip,action=1
dnl
dnl ARP
priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
priority=10 arp action=normal
priority=0,action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
table=8,reg2=0x0a010140,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
dnl Zero result means not found.
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
table=10 priority=100 arp xreg0=0 action=normal
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Should work with the virtual IP address through NAT
OVS_START_L7([at_ns1], [http])
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.64 -t 5 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.64)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.64,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
])

dnl Should work with the assigned IP address as well
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - more complex DNAT])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address 80:88:88:88:88:88])

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
dnl Track all IP traffic
table=0 priority=100 ip action=ct(table=1,zone=1,nat)
dnl
dnl Allow ARP, but generate responses for NATed addresses
table=0 priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
table=0 priority=10 arp action=normal
table=0 priority=0 action=drop
dnl
dnl Allow any IP traffic from ns0->ns1. DNAT ns0 from 10.1.1.64 to 10.1.1.2
table=1 priority=100 in_port=1 ct_state=+new ip nw_dst=10.1.1.64 action=ct(zone=1,nat(dst=10.1.1.2),commit),2
table=1 priority=10 in_port=1 ct_state=+new ip action=ct(commit,zone=1),2
table=1 priority=100 in_port=1 ct_state=+est ct_zone=1 action=2
dnl Only allow established traffic from ns1->ns0.
table=1 priority=100 in_port=2 ct_state=+est ct_zone=1 action=1
table=1 priority=0 action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
table=8,reg2=0x0a010140,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
dnl Zero result means not found.
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
table=10 priority=100 arp xreg0=0 action=normal
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Should work with the virtual IP address through NAT
OVS_START_L7([at_ns1], [http])
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.64 -t 5 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.64)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.64,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
])

dnl Should work with the assigned IP address as well
NS_CHECK_EXEC([at_ns0], [wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - ICMP related with NAT])
AT_SKIP_IF([test $HAVE_NC = no])
AT_SKIP_IF([test $HAVE_TCPDUMP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

dnl Allow UDP traffic from ns0->ns1. Only allow related ICMP responses back.
dnl Make sure ICMP responses are reverse-NATted.
AT_DATA([flows.txt], [dnl
in_port=1,udp,action=ct(commit,nat(src=10.1.1.240-10.1.1.255),exec(set_field:1->ct_mark)),2
in_port=2,icmp,ct_state=-trk,action=ct(table=0,nat)
in_port=2,icmp,nw_dst=10.1.1.1,ct_state=+trk+rel,ct_mark=1,action=1
dnl
dnl ARP
priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
priority=10 arp action=normal
priority=0,action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
table=8,reg2=0x0a0101f0/0xfffffff0,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=100 arp xreg0=0 action=normal
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

rm p0.pcap
tcpdump -U -i ovs-p0 -w p0.pcap &
sleep 1

dnl UDP packets from ns0->ns1 should solicit "destination unreachable" response.
NS_CHECK_EXEC([at_ns0], [bash -c "echo a | nc $NC_EOF_OPT -u 10.1.1.2 10000"])

AT_CHECK([ovs-appctl revalidator/purge], [0])
AT_CHECK([ovs-ofctl -O OpenFlow15 dump-flows br0 | ofctl_strip | sort | grep -v drop], [0], [dnl
 n_packets=1, n_bytes=42, priority=10,arp actions=NORMAL
 n_packets=1, n_bytes=44, udp,in_port=1 actions=ct(commit,nat(src=10.1.1.240-10.1.1.255),exec(set_field:0x1->ct_mark)),output:2
 n_packets=1, n_bytes=72, ct_state=+rel+trk,ct_mark=0x1,icmp,in_port=2,nw_dst=10.1.1.1 actions=output:1
 n_packets=1, n_bytes=72, ct_state=-trk,icmp,in_port=2 actions=ct(table=0,nat)
 n_packets=2, n_bytes=84, priority=100,arp,arp_op=1 actions=move:NXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
 table=10, n_packets=1, n_bytes=42, priority=10,arp,arp_op=1 actions=set_field:2->arp_op,move:NXM_NX_ARP_SHA[[]]->NXM_NX_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_NX_ARP_SHA[[]],move:NXM_OF_ARP_SPA[[]]->NXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->NXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],set_field:0->in_port,output:NXM_NX_REG3[[0..15]]
 table=10, n_packets=1, n_bytes=42, priority=100,arp,reg0=0,reg1=0 actions=NORMAL
 table=8, n_packets=1, n_bytes=42, priority=0 actions=set_field:0->xreg0
 table=8, n_packets=1, n_bytes=42, reg2=0xa0101f0/0xfffffff0 actions=set_field:0x808888888888->xreg0
OFPST_FLOW reply (OF1.5):
])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sed -e 's/dst=10.1.1.2[[45]][[0-9]]/dst=10.1.1.2XX/'], [0], [dnl
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.2XX,sport=<cleared>,dport=<cleared>),mark=1
])

AT_CHECK([tcpdump -v "icmp" -r p0.pcap 2>/dev/null | egrep 'wrong|bad'], [1], [ignore-nolog])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

dnl CHECK_FTP_NAT(TITLE, IP_ADDR, FLOWS, CT_DUMP)
dnl
dnl Checks the implementation of conntrack with FTP ALGs in combination with
dnl NAT, using the provided flow table.
m4_define([CHECK_FTP_NAT],
   [AT_SETUP([conntrack - FTP $1])
    AT_SKIP_IF([test $HAVE_FTP = no])
    AT_SKIP_IF([test $HAVE_LFTP = no])
    CHECK_CONNTRACK()
    CHECK_CONNTRACK_NAT()
    CHECK_CONNTRACK_ALG()

    OVS_TRAFFIC_VSWITCHD_START()

    ADD_NAMESPACES(at_ns0, at_ns1)

    ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
    NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
    ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

    dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
    AT_DATA([flows.txt], [$3])

    AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

    OVS_START_L7([at_ns1], [ftp])

    dnl FTP requests from p0->p1 should work fine.
    AT_DATA([ftp.cmd], [dnl
set net:max-retries 1
set net:timeout 1
set ftp:passive-mode off
cache off
connect ftp://anonymous:@10.1.1.2
ls
ls
ls
ls
])
    NS_CHECK_EXEC([at_ns0], [lftp -f ftp.cmd > lftp.log])

    dnl Discards CLOSE_WAIT and CLOSING
    AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [$4])

    OVS_TRAFFIC_VSWITCHD_STOP
    AT_CLEANUP])

dnl CHECK_FTP_SNAT_PRE_RECIRC(TITLE, IP_ADDR, IP_ADDR_AS_HEX)
dnl
dnl Checks the implementation of conntrack with FTP ALGs in combination with
dnl NAT, with flow tables that implement the NATing as part of handling of
dnl initial incoming packets - ie, the first flow is ct(nat,table=foo).
dnl
dnl IP_ADDR must specify the NAT address in standard "10.1.1.x" format,
dnl and IP_ADDR_AS_HEX must specify the same address as hex, eg 0x0a0101xx.
m4_define([CHECK_FTP_SNAT_PRE_RECIRC], [dnl
    CHECK_FTP_NAT([SNAT prerecirc $1], [$2], [dnl
dnl track all IP traffic, de-mangle non-NEW connections
table=0 in_port=1, ip, action=ct(table=1,nat)
table=0 in_port=2, ip, action=ct(table=2,nat)
dnl
dnl ARP
dnl
table=0 priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
table=0 priority=10 arp action=normal
table=0 priority=0 action=drop
dnl
dnl Table 1: port 1 -> 2
dnl
dnl Allow new FTP connections. These need to be commited.
table=1 ct_state=+new, tcp, tp_dst=21, nw_src=10.1.1.1, action=ct(alg=ftp,commit,nat(src=$2)),2
dnl Allow established TCP connections, make sure they are NATted already.
table=1 ct_state=+est, tcp, nw_src=$2,     action=2
dnl
dnl Table 1: droppers
dnl
table=1 priority=10, tcp, action=drop
table=1 priority=0,action=drop
dnl
dnl Table 2: port 2 -> 1
dnl
dnl Allow established TCP connections, make sure they are reverse NATted
table=2 ct_state=+est, tcp, nw_dst=10.1.1.1, action=1
dnl Allow (new) related (data) connections.  These need to be commited.
table=2 ct_state=+new+rel, tcp, nw_dst=$2, action=ct(commit,nat),1
dnl Allow related ICMP packets, make sure they are reverse NATted
table=2 ct_state=+rel, icmp, nw_dst=10.1.1.1, action=1
dnl
dnl Table 2: droppers
dnl
table=2 priority=10, tcp, action=drop
table=2 priority=0, action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
dnl
table=8,reg2=$3/0xffffffff,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=100 arp xreg0=0 action=normal
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=drop
], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=$2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=10.1.1.2,dst=$2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])
])

dnl Check that ct(nat,table=foo) works without TCP sequence adjustment.
CHECK_FTP_SNAT_PRE_RECIRC([], [10.1.1.9], [0x0a010109])

dnl Check that ct(nat,table=foo) works with TCP sequence adjustment.
dnl
dnl The FTP PORT command includes the ASCII representation of the address,
dnl so when these messages need to be NATed between addresses that have
dnl different lengths when represented in ASCII (such as the original address
dnl of 10.1.1.1 used in the test and 10.1.1.240 here), the FTP NAT ALG must
dnl resize the packet and adjust TCP sequence numbers. This test is kept
dnl separate from the above to easier identify issues in this code on different
dnl kernels.
CHECK_FTP_SNAT_PRE_RECIRC([seqadj], [10.1.1.240], [0x0a0101f0])

dnl CHECK_FTP_SNAT_POST_RECIRC(TITLE, IP_ADDR, IP_ADDR_AS_HEX)
dnl
dnl Checks the implementation of conntrack with FTP ALGs in combination with
dnl NAT, with flow tables that implement the NATing after the first round
dnl of recirculation - that is, the first flow ct(table=foo) then a subsequent
dnl flow will implement the NATing with ct(nat..),output:foo.
dnl
dnl IP_ADDR must specify the NAT address in standard "10.1.1.x" format,
dnl and IP_ADDR_AS_HEX must specify the same address as hex, eg 0x0a0101xx.
m4_define([CHECK_FTP_SNAT_POST_RECIRC], [dnl
    CHECK_FTP_NAT([SNAT postrecirc $1], [$2], [dnl
dnl track all IP traffic (this includes a helper call to non-NEW packets.)
table=0 ip, action=ct(table=1)
dnl
dnl ARP
dnl
table=0 priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
table=0 priority=10 arp action=normal
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl
dnl Allow new FTP connections. These need to be commited.
dnl This does helper for new packets.
table=1 in_port=1 ct_state=+new, tcp, tp_dst=21, action=ct(alg=ftp,commit,nat(src=$2)),2
dnl Allow and NAT established TCP connections
table=1 in_port=1 ct_state=+est, tcp,     action=ct(nat),2
table=1 in_port=2 ct_state=+est, tcp,     action=ct(nat),1
dnl Allow and NAT (new) related active (data) connections.
dnl These need to be commited.
table=1 in_port=2 ct_state=+new+rel, tcp, action=ct(commit,nat),1
dnl Allow related ICMP packets.
table=1 in_port=2 ct_state=+rel, icmp,    action=ct(nat),1
dnl Drop everything else.
table=1 priority=0, action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
dnl
table=8,reg2=$3/0xffffffff,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=100 arp xreg0=0 action=normal
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=drop
], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=$2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=10.1.1.2,dst=$2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])
])

dnl Check that ct(nat,table=foo) works without TCP sequence adjustment.
CHECK_FTP_SNAT_POST_RECIRC([], [10.1.1.9], [0x0a010109])

dnl Check that ct(nat,table=foo) works with TCP sequence adjustment.
dnl
dnl The FTP PORT command includes the ASCII representation of the address,
dnl so when these messages need to be NATed between addresses that have
dnl different lengths when represented in ASCII (such as the original address
dnl of 10.1.1.1 used in the test and 10.1.1.240 here), the FTP NAT ALG must
dnl resize the packet and adjust TCP sequence numbers. This test is kept
dnl separate from the above to easier identify issues in this code on different
dnl kernels.
CHECK_FTP_SNAT_POST_RECIRC([seqadj], [10.1.1.240], [0x0a0101f0])


dnl CHECK_FTP_SNAT_ORIG_TUPLE(TITLE, IP_ADDR, IP_ADDR_AS_HEX)
dnl
dnl Checks the implementation of conntrack original direction tuple matching
dnl with FTP ALGs in combination with NAT, with flow tables that implement
dnl the NATing before the first round of recirculation - that is, the first
dnl flow ct(nat, table=foo) then a subsequent flow will implement the
dnl commiting of NATed and other connections with ct(nat..),output:foo.
dnl
dnl IP_ADDR must specify the NAT address in standard "10.1.1.x" format,
dnl and IP_ADDR_AS_HEX must specify the same address as hex, eg 0x0a0101xx.
m4_define([CHECK_FTP_SNAT_ORIG_TUPLE], [dnl
    CHECK_FTP_NAT([SNAT orig tuple $1], [$2], [dnl
dnl Store zone in reg4 and packet direction in reg3 (IN=1, OUT=2).
dnl NAT is only applied to OUT-direction packets, so that ACL
dnl processing can be done with non-NATted headers.
dnl
dnl Track all IP traffic in the IN-direction (IN from Port 1).
table=0 in_port=1, ip, action=set_field:1->reg4,set_field:1->reg3,ct(zone=NXM_NX_REG4[[0..15]],table=1)
dnl Track all IP traffic in the OUT-direction (OUT to the Port 1).
table=0 in_port=2, ip, action=set_field:1->reg4,set_field:2->reg3,ct(zone=NXM_NX_REG4[[0..15]],nat,table=1)
dnl
dnl ARP
dnl
table=0 priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
table=0 priority=10 arp action=normal
table=0 priority=0 action=drop
dnl
dnl Pass tracked traffic through ACL, drop everything else.
dnl Non-REPLY/RELATED packets get the ACL lookup with the packet headers
dnl in the actual packet direction in reg0 (IN=1, OUT=2).  REPLY packets
dnl get the ACL lookup using the conntrack tuple and the inverted direction.
dnl RELATED packets get ACL lookup using the conntrack tuple in the direction
dnl of the master connection, as stored in ct_label[0].
dnl
dnl Incoming non-related packet in the original direction (ACL IN)
table=1 reg3=1, ip, ct_state=-rel-rpl+trk-inv action=set_field:1->reg0,resubmit(,3),goto_table:5
dnl Incoming non-related reply packet (CT ACL OUT)
table=1 reg3=1, ip, ct_state=-rel+rpl+trk-inv action=set_field:2->reg0,resubmit(,3,ct),goto_table:4
dnl Outgoing non-related packet (ACL OUT)
table=1 reg3=2, ip, ct_state=-rel-rpl+trk-inv action=set_field:2->reg0,resubmit(,3),goto_table:5
dnl Outgoing non-related reply packet (CT ACL IN)
table=1 reg3=2, ip, ct_state=-rel+rpl+trk-inv action=set_field:1->reg0,resubmit(,3,ct),goto_table:4
dnl
dnl Related packet (CT ACL in the direction of the master connection.)
table=1 ip, ct_state=+rel+trk-inv, action=move:NXM_NX_CT_LABEL[[0]]->NXM_NX_REG0[[0]],resubmit(,3,ct),goto_table:4
dnl Drop everything else.
table=1 priority=0, action=drop
dnl
dnl "ACL table"
dnl
dnl Stateful accept (1->reg2) all incoming (reg0=1) IP connections with
dnl IP source address '10.1.1.1'.  Store rule ID (1234) in reg1, verdict
dnl in reg2.
table=3 priority=10, reg0=1, ip, nw_src=10.1.1.1 action=set_field:1234->reg1,set_field:1->reg2
dnl Stateless drop (0->reg2) everything else in both directions. (Rule ID: 1235)
table=3 priority=0, action=set_field:1235->reg1,set_field:0->reg2
dnl
dnl Re-process stateful traffic that was not accepted by a stateful rule as
dnl normal traffic in the current direction.  This should also delete the
dnl now stale conntrack state, so that new state can be created in it's place.
dnl
dnl Stateful accepts go to next table.
table=4 priority=100 reg2=1, action=goto_table:5
dnl Everything else is reprocessed disregarding the CT state, using the actual
dnl packet direction.
table=4 priority=0 action=move:NXM_NX_REG3[[]]->NXM_NX_REG0[[]],resubmit(,3),goto_table:5
dnl
dnl "ACL verdict processing table."
dnl
dnl Handle stateful (reg2=1) / stateless (reg2=2) accepts and drops (reg2=0)
dnl
dnl Drop all non-accepted packets.
table=5 reg2=0 priority=1000 action=drop
dnl
dnl Commit new incoming FTP control connections with SNAT range.  Must match on
dnl 'tcp' when setting 'alg=ftp'.  Store the directionality of non-related
dnl connections to ct_label[0]  Store the rule ID to ct_label[96..127].
table=5 priority=100 reg2=1 reg3=1 ct_state=+new-rel, tcp, tp_dst=21, action=ct(zone=NXM_NX_REG4[[0..15]],alg=ftp,commit,nat(src=$2),exec(move:NXM_NX_REG3[[0]]->NXM_NX_CT_LABEL[[0]],move:NXM_NX_REG1[[0..31]]->NXM_NX_CT_LABEL[[96..127]])),goto_table:6
dnl Commit other new incoming non-related IP connections with SNAT range.
table=5 priority=10 reg2=1 reg3=1 ct_state=+new-rel, ip, action=ct(zone=NXM_NX_REG4[[0..15]],commit,nat(src=$2),exec(move:NXM_NX_REG3[[0]]->NXM_NX_CT_LABEL[[0]],move:NXM_NX_REG1[[0..31]]->NXM_NX_CT_LABEL[[96..127]])),goto_table:6
dnl Commit non-related outgoing new IP connections with DNAT range.
dnl (This should not get any packets in this test.)
table=5 priority=10 reg2=1 reg3=2 ct_state=+new-rel, ip, action=ct(zone=NXM_NX_REG4[[0..15]],commit,nat(dst=$2),exec(move:NXM_NX_REG3[[0]]->NXM_NX_CT_LABEL[[0]],move:NXM_NX_REG1[[0..31]]->NXM_NX_CT_LABEL[[96..127]])),goto_table:6
dnl Commit new related connections in either direction, which need 'nat'
dnl and which inherit the label (the direction of the original direction
dnl master tuple) from the master connection.
table=5 priority=10 reg2=1 ct_state=+new+rel, ip, action=ct(zone=NXM_NX_REG4[[0..15]],commit,nat,exec(move:NXM_NX_REG1[[0..31]]->NXM_NX_CT_LABEL[[96..127]])),goto_table:6
dnl
dnl NAT incoming non-NEW packets. Outgoing packets were NATted in table 0.
dnl
table=5 priority=10 ct_state=-new+trk-inv reg3=1 ip, action=ct(zone=NXM_NX_REG4[[0..15]],nat),goto_table:6
dnl Forward everything else, including stateless accepts.
table=5 priority=0 action=goto_table:6
dnl
dnl "Forwarding table"
dnl
table=6 in_port=1 action=2
table=6 in_port=2 action=1
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
dnl
table=8,reg2=$3,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=100 arp xreg0=0 action=normal
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=drop
], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=$2,sport=<cleared>,dport=<cleared>),zone=1,labels=0x4d2000000000000000000000001,protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=10.1.1.2,dst=$2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),zone=1,labels=0x4d2000000000000000000000001,protoinfo=(state=<cleared>)
])
])

dnl Check that ct(nat,table=foo) works without TCP sequence adjustment with
dnl an ACL table based on matching on conntrack original direction tuple only.
CHECK_FTP_SNAT_ORIG_TUPLE([], [10.1.1.9], [0x0a010109])

dnl Check that ct(nat,table=foo) works with TCP sequence adjustment with
dnl an ACL table based on matching on conntrack original direction tuple only.
CHECK_FTP_SNAT_ORIG_TUPLE([seqadj], [10.1.1.240], [0x0a0101f0])

AT_SETUP([conntrack - IPv4 FTP Passive with SNAT])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
CHECK_CONNTRACK_ALG()

OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address e6:66:c1:11:11:11])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.2 e6:66:c1:22:22:22])

ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns1], [arp -s 10.1.1.1 e6:66:c1:11:11:11])
NS_CHECK_EXEC([at_ns1], [arp -s 10.1.1.240 e6:66:c1:11:11:11])

dnl Allow any traffic from ns0->ns1.
AT_DATA([flows.txt], [dnl
dnl track all IPv4 traffic and NAT any established traffic.
table=0 priority=10 ip, action=ct(nat,table=1)
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl
dnl Allow new FTP control connections.
table=1 in_port=1 ct_state=+new tcp nw_src=10.1.1.1 tp_dst=21  action=ct(alg=ftp,commit,nat(src=10.1.1.240)),2
dnl Allow related TCP connections from port 1.
table=1 in_port=1 ct_state=+new+rel tcp nw_src=10.1.1.1 action=ct(commit,nat),2
dnl Allow established TCP connections both ways, post-NAT match.
table=1 in_port=1 ct_state=+est tcp nw_src=10.1.1.240 action=2
table=1 in_port=2 ct_state=+est tcp nw_dst=10.1.1.1 action=1

dnl Allow ICMP both ways.
table=1 priority=100 in_port=1 icmp, action=2
table=1 priority=100 in_port=2 icmp, action=1
table=1 priority=0, action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Check that the stacks working to avoid races.
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.1.1.2 >/dev/null])

OVS_START_L7([at_ns1], [ftp])

dnl FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl Discards CLOSE_WAIT and CLOSING
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.240,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.240,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 FTP Passive with DNAT])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
CHECK_CONNTRACK_ALG()

OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address e6:66:c1:11:11:11])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.2 e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.240 e6:66:c1:22:22:22])

ADD_VETH(p1, at_ns1, br0, "10.1.1.240/24")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns1], [arp -s 10.1.1.1 e6:66:c1:11:11:11])

dnl Allow any traffic from ns0->ns1.
AT_DATA([flows.txt], [dnl
dnl track all IPv4 traffic and NAT any established traffic.
table=0 priority=10 ip, action=ct(nat,table=1)
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl
dnl Allow new FTP control connections.
table=1 in_port=1 ct_state=+new tcp nw_src=10.1.1.1 tp_dst=21 action=ct(alg=ftp,commit,nat(dst=10.1.1.240)),2
dnl Allow related TCP connections from port 1.
table=1 in_port=1 ct_state=+new+rel tcp nw_src=10.1.1.1 action=ct(commit,nat),2
dnl Allow established TCP connections both ways, post-NAT match.
table=1 in_port=1 ct_state=+est tcp nw_dst=10.1.1.240 action=2
table=1 in_port=2 ct_state=+est tcp nw_dst=10.1.1.1 action=1

dnl Allow ICMP both ways.
table=1 priority=100 in_port=1 icmp, action=2
table=1 priority=100 in_port=2 icmp, action=1
table=1 priority=0, action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Check that the stacks working to avoid races.
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.1.1.240 >/dev/null])

OVS_START_L7([at_ns1], [ftp])

dnl FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl Discards CLOSE_WAIT and CLOSING
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.240,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.240,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 FTP Passive with DNAT 2])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
CHECK_CONNTRACK_ALG()

OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/16")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address e6:66:c1:11:11:11])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.200 e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.100.1 e6:66:c1:22:22:22])

ADD_VETH(p1, at_ns1, br0, "10.1.100.1/16")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns1], [arp -s 10.1.1.1 e6:66:c1:11:11:11])

dnl Allow any traffic from ns0->ns1.
AT_DATA([flows.txt], [dnl
dnl track all IPv4 traffic and NAT any established traffic.
table=0 priority=10 ip, action=ct(nat,table=1)
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl
dnl Allow new FTP control connections.
table=1 in_port=1 ct_state=+new tcp nw_src=10.1.1.1 tp_dst=21 action=ct(alg=ftp,commit,nat(dst=10.1.100.1)),2
dnl Allow related TCP connections from port 1.
table=1 in_port=1 ct_state=+new+rel tcp nw_src=10.1.1.1 action=ct(commit,nat),2
dnl Allow established TCP connections both ways, post-NAT match.
table=1 in_port=1 ct_state=+est tcp nw_dst=10.1.100.1 action=2
table=1 in_port=2 ct_state=+est tcp nw_dst=10.1.1.1 action=1

dnl Allow ICMP both ways.
table=1 priority=100 in_port=1 icmp, action=2
table=1 priority=100 in_port=2 icmp, action=1
table=1 priority=0, action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Check that the stacks working to avoid races.
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.1.100.1 >/dev/null])

OVS_START_L7([at_ns1], [ftp])

dnl FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.1.200 -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl Discards CLOSE_WAIT and CLOSING
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.200)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.200,sport=<cleared>,dport=<cleared>),reply=(src=10.1.100.1,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.1,dst=10.1.1.200,sport=<cleared>,dport=<cleared>),reply=(src=10.1.100.1,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 FTP Active with DNAT])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
CHECK_CONNTRACK_ALG()

OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address e6:66:c1:11:11:11])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.2 e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.240 e6:66:c1:22:22:22])

ADD_VETH(p1, at_ns1, br0, "10.1.1.240/24")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns1], [arp -s 10.1.1.1 e6:66:c1:11:11:11])

dnl Allow any traffic from ns0->ns1.
AT_DATA([flows.txt], [dnl
dnl track all IPv4 traffic and NAT any established traffic.
table=0 priority=10 ip, action=ct(nat,table=1)
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl
dnl Allow new FTP control connections.
table=1 in_port=1 ct_state=+new tcp nw_src=10.1.1.1 tp_dst=21 action=ct(alg=ftp,commit,nat(dst=10.1.1.240)),2
dnl Allow related TCP connections from port 1.
table=1 in_port=2 ct_state=+new+rel tcp nw_src=10.1.1.240 action=ct(commit,nat),1
dnl Allow established TCP connections both ways, post-NAT match.
table=1 in_port=1 ct_state=+est tcp nw_dst=10.1.1.240 action=2
table=1 in_port=2 ct_state=+est tcp nw_dst=10.1.1.1 action=1

dnl Allow ICMP both ways.
table=1 priority=100 in_port=1 icmp, action=2
table=1 priority=100 in_port=2 icmp, action=1
table=1 priority=0, action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Check that the stacks working to avoid races.
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.1.1.240 >/dev/null])

OVS_START_L7([at_ns1], [ftp])

dnl FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.1.2 --no-passive-ftp -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl Discards CLOSE_WAIT and CLOSING
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.240,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=10.1.1.240,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 FTP Active with DNAT with reverse skew])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
CHECK_CONNTRACK_ALG()

OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/16")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address e6:66:c1:11:11:11])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.2 e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.120.240 e6:66:c1:22:22:22])

ADD_VETH(p1, at_ns1, br0, "10.1.1.2/16")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns1], [arp -s 10.1.1.1 e6:66:c1:11:11:11])

dnl Allow any traffic from ns0->ns1.
AT_DATA([flows.txt], [dnl
dnl track all IPv4 traffic and NAT any established traffic.
table=0 priority=10 ip, action=ct(nat,table=1)
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl
dnl Allow new FTP control connections.
table=1 in_port=1 ct_state=+new tcp nw_src=10.1.1.1 tp_dst=21 action=ct(alg=ftp,commit,nat(dst=10.1.1.2)),2
dnl Allow related TCP connections from port 1.
table=1 in_port=2 ct_state=+new+rel tcp nw_src=10.1.1.2 action=ct(commit,nat),1
dnl Allow established TCP connections both ways, post-NAT match.
table=1 in_port=1 ct_state=+est tcp nw_dst=10.1.1.2 action=2
table=1 in_port=2 ct_state=+est tcp nw_dst=10.1.1.1 action=1

dnl Allow ICMP both ways.
table=1 priority=100 in_port=1 icmp, action=2
table=1 priority=100 in_port=2 icmp, action=1
table=1 priority=0, action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Check that the stacks working to avoid races.
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.1.1.2 >/dev/null])

OVS_START_L7([at_ns1], [ftp])

dnl FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://10.1.120.240 --no-passive-ftp -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl Discards CLOSE_WAIT and CLOSING
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.120.240)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.120.240,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.120.240,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 HTTP with SNAT])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")
NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::240 lladdr 80:88:88:88:88:88 dev p1])
NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::241 lladdr 80:88:88:88:88:88 dev p1])

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=1,action=drop
priority=10,icmp6,action=normal
priority=100,in_port=1,ip6,action=ct(commit,nat(src=fc00::240-fc00::241)),2
priority=100,in_port=2,ct_state=-trk,ip6,action=ct(nat,table=0)
priority=100,in_port=2,ct_state=+trk+est,ip6,action=1
priority=200,in_port=2,ct_state=+trk+new,icmp6,icmpv6_code=0,icmpv6_type=135,nd_target=fc00::240,action=ct(commit,nat(dst=fc00::1)),1
priority=200,in_port=2,ct_state=+trk+new,icmp6,icmpv6_code=0,icmpv6_type=135,nd_target=fc00::241,action=ct(commit,nat(dst=fc00::1)),1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2])

dnl HTTP requests from ns0->ns1 should work fine.
OVS_START_L7([at_ns1], [http6])

NS_CHECK_EXEC([at_ns0], [wget http://[[fc00::2]] -t 3 -T 1 --retry-connrefused -v -o wget0.log])

dnl HTTP requests from ns1->ns0 should fail due to network failure.
dnl Try 3 times, in 1 second intervals.
OVS_START_L7([at_ns0], [http6])
NS_CHECK_EXEC([at_ns1], [wget http://[[fc00::1]] -t 3 -T 1 -v -o wget1.log], [4])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 HTTP with DNAT])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")
NS_CHECK_EXEC([at_ns0], [ip -6 link set dev p0 address 80:88:88:88:88:77])
NS_CHECK_EXEC([at_ns1], [ip -6 link set dev p1 address 80:88:88:88:88:88])
NS_CHECK_EXEC([at_ns0], [ip -6 neigh add fc00::240 lladdr 80:88:88:88:88:88 dev p0])
NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::1 lladdr 80:88:88:88:88:77 dev p1])

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=100 in_port=1,ip6,ipv6_dst=fc00::240,action=ct(zone=1,nat(dst=fc00::2),commit),2
priority=100 in_port=2,ct_state=-trk,ip6,action=ct(table=0,nat,zone=1)
priority=100 in_port=2,ct_state=+trk+est,ct_zone=1,ip6,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::240])

NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00::240 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl Should work with the virtual IP address through NAT
OVS_START_L7([at_ns1], [http6])
NS_CHECK_EXEC([at_ns0], [wget http://[[fc00::240]] -t 5 -T 1 --retry-connrefused -v -o wget0.log])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::1)], [0], [dnl
icmpv6,orig=(src=fc00::1,dst=fc00::240,id=<cleared>,type=128,code=0),reply=(src=fc00::2,dst=fc00::1,id=<cleared>,type=129,code=0),zone=1
tcp,orig=(src=fc00::1,dst=fc00::240,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 ICMP6 Related with SNAT])
AT_SKIP_IF([test $HAVE_TCPDUMP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")
NS_CHECK_EXEC([at_ns0], [ip -6 link set dev p0 address 80:88:88:88:88:77])
NS_CHECK_EXEC([at_ns1], [ip -6 link set dev p1 address 80:88:88:88:88:88])

NS_CHECK_EXEC([at_ns0], [ip -6 neigh add fc00::2 lladdr 80:88:88:88:88:88 dev p0])
NS_CHECK_EXEC([at_ns0], [ip -6 neigh add fc00::3 lladdr 80:88:88:88:88:88 dev p0])
NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::240 lladdr 80:88:88:88:88:77 dev p1])
NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::1 lladdr 80:88:88:88:88:77 dev p1])

NS_CHECK_EXEC([at_ns0], [ip -6 route add default via fc00::2])

dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
priority=100 in_port=1,ip6,action=ct(nat(src=fc00::240),commit),2
priority=100 in_port=2,ct_state=-trk,ip6,action=ct(table=0,nat)
priority=100 in_port=2,ct_state=+trk+est,ip6,action=1
priority=100 in_port=2,ct_state=+trk+rel,ip6,action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2])

AT_CHECK([ovs-appctl dpctl/flush-conntrack])

rm p0.pcap
tcpdump -U -i ovs-p0 -w p0.pcap &
sleep 1

dnl UDP packets from ns0->ns1 should solicit "destination unreachable" response.
NS_CHECK_EXEC([at_ns0], [bash -c "echo a | nc -6 $NC_EOF_OPT -u fc00::2 1"])

AT_CHECK([tcpdump -v "icmp6" -r p0.pcap 2>/dev/null | egrep 'wrong|bad'], [1], [ignore-nolog])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
udp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::240,sport=<cleared>,dport=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 FTP with SNAT])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
CHECK_CONNTRACK_ALG()

OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")
dnl Would be nice if NAT could translate neighbor discovery messages, too.
NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::240 lladdr 80:88:88:88:88:88 dev p1])

dnl Allow any traffic from ns0->ns1.
dnl Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
dnl track all IPv6 traffic (this includes NAT & help to non-NEW packets.)
table=0 priority=10 ip6, action=ct(nat,table=1)
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl
dnl Allow new TCPv6 FTP control connections.
table=1 in_port=1 ct_state=+new tcp6 ipv6_src=fc00::1 tp_dst=21  action=ct(alg=ftp,commit,nat(src=fc00::240)),2
dnl Allow related TCPv6 connections from port 2 to the NATted address.
table=1 in_port=2 ct_state=+new+rel tcp6 ipv6_dst=fc00::240 action=ct(commit,nat),1
dnl Allow established TCPv6 connections both ways, enforce NATting
table=1 in_port=1 ct_state=+est tcp6 ipv6_src=fc00::240   action=2
table=1 in_port=2 ct_state=+est tcp6 ipv6_dst=fc00::1     action=1
dnl Allow other ICMPv6 both ways (without commit).
table=1 priority=100 in_port=1 icmp6, action=2
table=1 priority=100 in_port=2 icmp6, action=1
dnl Drop everything else.
table=1 priority=0, action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2 >/dev/null])

OVS_START_L7([at_ns1], [ftp])

dnl FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://[[fc00::2]] -6 --no-passive-ftp -t 3 -T 1 --retry-connrefused -v --server-response --no-remove-listing -o wget0.log -d])

dnl Discards CLOSE_WAIT and CLOSING
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
tcp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::240,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=fc00::2,dst=fc00::240,sport=<cleared>,dport=<cleared>),reply=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 FTP Passive with SNAT])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
CHECK_CONNTRACK_ALG()

OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address 80:88:88:88:88:99])
NS_CHECK_EXEC([at_ns0], [ip -6 neigh add fc00::2 lladdr 80:88:88:88:88:99 dev p0])
NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::240 lladdr 80:88:88:88:88:88 dev p1])

dnl Allow any traffic from ns0->ns1.
dnl Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
dnl track all IPv6 traffic (this includes NAT & help to non-NEW packets.)
table=0 priority=10 ip6, action=ct(nat,table=1)
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl
dnl Allow new TCPv6 FTP control connections.
table=1 in_port=1 ct_state=+new tcp6 ipv6_src=fc00::1 tp_dst=21  action=ct(alg=ftp,commit,nat(src=fc00::240)),2
dnl Allow related TCPv6 connections from port 1.
table=1 in_port=1 ct_state=+new+rel tcp6 ipv6_dst=fc00::2 action=ct(commit,nat),2
dnl Allow established TCPv6 connections both ways, enforce NATting
table=1 in_port=1 ct_state=+est tcp6 ipv6_src=fc00::240 action=2
table=1 in_port=2 ct_state=+est tcp6 ipv6_dst=fc00::1 action=1
dnl Allow other ICMPv6 both ways (without commit).
table=1 priority=100 in_port=1 icmp6, action=2
table=1 priority=100 in_port=2 icmp6, action=1
dnl Drop everything else.
table=1 priority=0, action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2 >/dev/null])

OVS_START_L7([at_ns1], [ftp])

dnl FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://[[fc00::2]] -6 -t 3 -T 1 --retry-connrefused -v --server-response --no-remove-listing -o wget0.log -d])

dnl Discards CLOSE_WAIT and CLOSING
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
tcp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::240,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
tcp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::240,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv6 FTP with SNAT - orig tuple])
AT_SKIP_IF([test $HAVE_FTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
CHECK_CONNTRACK_ALG()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "fc00::1/96")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88])
ADD_VETH(p1, at_ns1, br0, "fc00::2/96")
dnl Would be nice if NAT could translate neighbor discovery messages, too.
NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::240 lladdr 80:88:88:88:88:88 dev p1])

dnl Allow any traffic from ns0->ns1.
dnl Only allow nd, return traffic from ns1->ns0.
AT_DATA([flows.txt], [dnl
dnl track all IPv6 traffic (this includes NAT & help to non-NEW packets.)
table=0 priority=10 ip6, action=ct(nat,table=1)
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl
dnl Allow other ICMPv6 both ways (without commit).
table=1 priority=100 in_port=1 icmp6, action=2
table=1 priority=100 in_port=2 icmp6, action=1
dnl Allow new TCPv6 FTP control connections.
table=1 priority=10 in_port=1 ct_state=+new+trk-inv tcp6 ct_nw_proto=6 ct_ipv6_src=fc00::1 ct_tp_dst=21  action=ct(alg=ftp,commit,nat(src=fc00::240)),2
dnl Allow related TCPv6 connections from port 2 to the NATted address.
table=1 priority=10 in_port=2 ct_state=+new+rel+trk-inv ipv6 ct_nw_proto=6 ct_ipv6_src=fc00::1 ct_tp_dst=21 action=ct(commit,nat),1
dnl Allow established TCPv6 connections both ways, enforce NATting
table=1 priority=10 in_port=1 ct_state=+est+trk-inv ipv6 ct_nw_proto=6 ct_ipv6_src=fc00::1 ct_tp_dst=21 action=2
table=1 priority=10 in_port=2 ct_state=+est+trk-inv ipv6 ct_nw_proto=6 ct_ipv6_src=fc00::1 ct_tp_dst=21 action=1
dnl Drop everything else.
table=1 priority=0, action=drop
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Linux seems to take a little time to get its IPv6 stack in order. Without
dnl waiting, we get occasional failures due to the following error:
dnl "connect: Cannot assign requested address"
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2 >/dev/null])

NETNS_DAEMONIZE([at_ns1], [[$PYTHON3 $srcdir/test-l7.py ftp]], [ftp0.pid])
OVS_WAIT_UNTIL([ip netns exec at_ns1 netstat -l | grep ftp])

dnl FTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [wget ftp://[[fc00::2]] -6 --no-passive-ftp -t 3 -T 1 --retry-connrefused -v --server-response --no-remove-listing -o wget0.log -d])

dnl Discards CLOSE_WAIT and CLOSING
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl
tcp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::240,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>),helper=ftp
tcp,orig=(src=fc00::2,dst=fc00::240,sport=<cleared>,dport=<cleared>),reply=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - IPv4 TFTP with SNAT])
AT_SKIP_IF([test $HAVE_TFTP = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
CHECK_CONNTRACK_ALG()

OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address e6:66:c1:11:11:11])
NS_CHECK_EXEC([at_ns0], [arp -s 10.1.1.2 e6:66:c1:22:22:22])

ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address e6:66:c1:22:22:22])
NS_CHECK_EXEC([at_ns1], [arp -s 10.1.1.1 e6:66:c1:11:11:11])
NS_CHECK_EXEC([at_ns1], [arp -s 10.1.1.240 e6:66:c1:11:11:11])

dnl Allow any traffic from ns0->ns1.
AT_DATA([flows.txt], [dnl
dnl track all IPv4 traffic.
table=0 priority=10 ip, action=ct(table=1)
dnl drop everything else.
table=0 priority=0 action=drop
dnl
dnl Table 1
dnl Allow ICMP both ways.
table=1 priority=100 in_port=1 icmp, action=2
table=1 priority=100 in_port=2 icmp, action=1
dnl
dnl Allow new TFTP control connections.
table=1 in_port=1 ct_state=+new udp nw_src=10.1.1.1 tp_dst=69  action=ct(alg=tftp,commit,nat(src=10.1.1.240)),2
dnl Allow related UDP connections from port 1.
table=1 in_port=2 ct_state=+new+rel udp nw_src=10.1.1.2 action=ct(commit,nat),1
dnl Allow established and NAT them.
table=1 in_port=1 ct_state=+est udp nw_src=10.1.1.1 action=ct(nat,table=2)
table=1 in_port=2 ct_state=+est udp nw_src=10.1.1.2 action=ct(nat,table=2)
dnl
table=1 priority=0, action=drop
dnl
table=2 in_port=1 ct_state=+est udp nw_src=10.1.1.240 action=2
table=2 in_port=2 ct_state=+est udp nw_dst=10.1.1.1 action=1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Check that the stacks working to avoid races.
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.1.1.2 >/dev/null])

OVS_START_L7([at_ns0], [tftp])
OVS_START_L7([at_ns1], [tftp])

dnl TFTP requests from p0->p1 should work fine.
NS_CHECK_EXEC([at_ns0], [[curl $CURL_OPT tftp://10.1.1.2/flows.txt -o foo 2>curl0.log]])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.240,sport=<cleared>,dport=<cleared>),helper=tftp
udp,orig=(src=10.1.1.2,dst=10.1.1.240,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>)
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - DNAT load balancing])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns1, at_ns2, at_ns3, at_ns4)

ADD_VETH(p1, at_ns1, br0, "10.1.1.1/24")
ADD_VETH(p2, at_ns2, br0, "10.1.1.2/24")
ADD_VETH(p3, at_ns3, br0, "10.1.1.3/24")
ADD_VETH(p4, at_ns4, br0, "10.1.1.4/24")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address 80:88:88:88:88:11])
NS_CHECK_EXEC([at_ns2], [ip link set dev p2 address 80:88:88:88:88:22])
NS_CHECK_EXEC([at_ns3], [ip link set dev p3 address 80:88:88:88:88:33])
NS_CHECK_EXEC([at_ns4], [ip link set dev p4 address 80:88:88:88:88:44])

dnl Select group for load balancing.  One bucket per server.  Each bucket
dnl tracks and NATs the connection and recirculates to table 4 for egress
dnl routing.  Packets of existing connections are always NATted based on
dnl connection state, only new connections are NATted according to the
dnl specific NAT parameters in each bucket.
AT_CHECK([ovs-ofctl -O OpenFlow15 -vwarn add-group br0 "group_id=234,type=select,bucket=weight=100,ct(nat(dst=10.1.1.2),commit,table=4),bucket=weight=100,ct(nat(dst=10.1.1.3),commit,table=4),bucket=weight=100,ct(nat(dst=10.1.1.4),commit,table=4)"])

AT_DATA([flows.txt], [dnl
dnl Track connections to the virtual IP address.
table=0 priority=100 ip nw_dst=10.1.1.64 action=group:234
dnl All other IP traffic is allowed but the connection state is no commited.
table=0 priority=90 ip action=ct(table=4,nat)
dnl
dnl Allow ARP, but generate responses for virtual addresses
table=0 priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
table=0 priority=10 arp action=normal
table=0 priority=0 action=drop
dnl
dnl Routing table
dnl
table=4,ip,nw_dst=10.1.1.1 action=mod_dl_dst:80:88:88:88:88:11,output:1
table=4,ip,nw_dst=10.1.1.2 action=mod_dl_dst:80:88:88:88:88:22,output:2
table=4,ip,nw_dst=10.1.1.3 action=mod_dl_dst:80:88:88:88:88:33,output:3
table=4,ip,nw_dst=10.1.1.4 action=mod_dl_dst:80:88:88:88:88:44,output:4
table=4 priority=0 action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
table=8,reg2=0x0a010140,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
dnl Zero result means not found.
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
table=10 priority=100 arp xreg0=0 action=normal
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=controller
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Start web servers
OVS_START_L7([at_ns2], [http])
OVS_START_L7([at_ns3], [http])
OVS_START_L7([at_ns4], [http])

on_exit 'ovs-ofctl -O OpenFlow15 dump-flows br0'
on_exit 'ovs-appctl revalidator/purge'
on_exit 'ovs-appctl dpif/dump-flows br0'

dnl Should work with the virtual IP address through NAT
for i in 1 2 3 4 5 6 7 8 9 10 11 12; do
    echo Request $i
    NS_CHECK_EXEC([at_ns1], [wget 10.1.1.64 -t 5 -T 1 --retry-connrefused -v -o wget$i.log])
done

dnl Each server should have at least one connection.
AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.64)], [0], [dnl
tcp,orig=(src=10.1.1.1,dst=10.1.1.64,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.1,dst=10.1.1.64,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.3,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
tcp,orig=(src=10.1.1.1,dst=10.1.1.64,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.4,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),protoinfo=(state=<cleared>)
])

ovs-appctl dpif/dump-flows br0
ovs-appctl revalidator/purge
ovs-ofctl -O OpenFlow15 dump-flows br0
ovs-ofctl -O OpenFlow15 dump-group-stats br0

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP


AT_SETUP([conntrack - DNAT load balancing with NC])
AT_SKIP_IF([test $HAVE_NC = no])
CHECK_CONNTRACK()
CHECK_CONNTRACK_NAT()
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns1, at_ns2, at_ns3, at_ns4, at_ns5)

ADD_VETH(p1, at_ns1, br0, "10.1.1.1/24")
ADD_VETH(p2, at_ns2, br0, "10.1.1.2/24")
ADD_VETH(p3, at_ns3, br0, "10.1.1.3/24")
ADD_VETH(p4, at_ns4, br0, "10.1.1.4/24")
ADD_VETH(p5, at_ns5, br0, "10.1.1.5/24")
NS_CHECK_EXEC([at_ns1], [ip link set dev p1 address 80:88:88:88:88:11])
NS_CHECK_EXEC([at_ns2], [ip link set dev p2 address 80:88:88:88:88:22])
NS_CHECK_EXEC([at_ns3], [ip link set dev p3 address 80:88:88:88:88:33])
NS_CHECK_EXEC([at_ns4], [ip link set dev p4 address 80:88:88:88:88:44])
NS_CHECK_EXEC([at_ns5], [ip link set dev p5 address 80:88:88:88:88:55])

dnl Select group for load balancing.  One bucket per server.  Each bucket
dnl tracks and NATs the connection and recirculates to table 4 for egress
dnl routing.  Packets of existing connections are always NATted based on
dnl connection state, only new connections are NATted according to the
dnl specific NAT parameters in each bucket.
AT_CHECK([ovs-ofctl -O OpenFlow15 -vwarn add-group br0 "group_id=234,type=select,bucket=weight=100,ct(nat(dst=10.1.1.2),commit,table=4),bucket=weight=100,ct(nat(dst=10.1.1.3),commit,table=4),bucket=weight=100,ct(nat(dst=10.1.1.4),commit,table=4)"])

AT_DATA([flows.txt], [dnl
dnl Track connections to the virtual IP address.
table=0 priority=100 ip nw_dst=10.1.1.64 action=group:234
dnl All other IP traffic is allowed but the connection state is no commited.
table=0 priority=90 ip action=ct(table=4,nat)
dnl
dnl Allow ARP, but generate responses for virtual addresses
table=0 priority=100 arp arp_op=1 action=move:OXM_OF_ARP_TPA[[]]->NXM_NX_REG2[[]],resubmit(,8),goto_table:10
table=0 priority=10 arp action=normal
table=0 priority=0 action=drop
dnl
dnl Routing table
dnl
table=4,ip,nw_dst=10.1.1.1 action=mod_dl_dst:80:88:88:88:88:11,output:1
table=4,ip,nw_dst=10.1.1.2 action=mod_dl_dst:80:88:88:88:88:22,output:2
table=4,ip,nw_dst=10.1.1.3 action=mod_dl_dst:80:88:88:88:88:33,output:3
table=4,ip,nw_dst=10.1.1.4 action=mod_dl_dst:80:88:88:88:88:44,output:4
table=4,ip,nw_dst=10.1.1.5 action=mod_dl_dst:80:88:88:88:88:55,output:5
table=4 priority=0 action=drop
dnl
dnl MAC resolution table for IP in reg2, stores mac in OXM_OF_PKT_REG0
table=8,reg2=0x0a010140,action=load:0x808888888888->OXM_OF_PKT_REG0[[]]
dnl Zero result means not found.
table=8,priority=0,action=load:0->OXM_OF_PKT_REG0[[]]
dnl ARP responder mac filled in at OXM_OF_PKT_REG0, or 0 for normal action.
dnl TPA IP in reg2.
table=10 priority=100 arp xreg0=0 action=normal
dnl Swaps the fields of the ARP message to turn a query to a response.
table=10 priority=10,arp,arp_op=1,action=load:2->OXM_OF_ARP_OP[[]],move:OXM_OF_ARP_SHA[[]]->OXM_OF_ARP_THA[[]],move:OXM_OF_PKT_REG0[[0..47]]->OXM_OF_ARP_SHA[[]],move:OXM_OF_ARP_SPA[[]]->OXM_OF_ARP_TPA[[]],move:NXM_NX_REG2[[]]->OXM_OF_ARP_SPA[[]],move:NXM_OF_ETH_SRC[[]]->NXM_OF_ETH_DST[[]],move:OXM_OF_PKT_REG0[[0..47]]->NXM_OF_ETH_SRC[[]],move:NXM_OF_IN_PORT[[]]->NXM_NX_REG3[[0..15]],load:0->NXM_OF_IN_PORT[[]],output:NXM_NX_REG3[[0..15]]
table=10 priority=0 action=controller
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl Start web servers
OVS_START_L7([at_ns2], [http])
OVS_START_L7([at_ns3], [http])
OVS_START_L7([at_ns4], [http])

on_exit 'ovs-ofctl -O OpenFlow15 dump-flows br0'
on_exit 'ovs-appctl revalidator/purge'
on_exit 'ovs-appctl dpif/dump-flows br0'

sleep 5

dnl Should work with the virtual IP address through NAT
for i in 1 2 3 4 5 6 7 8 9; do
    echo Request $i
    NS_CHECK_EXEC([at_ns1], [echo "TEST1" | nc -p 4100$i 10.1.1.64 80 > nc-1-$i.log])
    NS_CHECK_EXEC([at_ns5], [echo "TEST5" | nc -p 4100$i 10.1.1.64 80 > nc-5-$i.log])
done

conntrack -L 2>&1

ovs-appctl dpif/dump-flows br0
ovs-appctl revalidator/purge
ovs-ofctl -O OpenFlow15 dump-flows br0
ovs-ofctl -O OpenFlow15 dump-group-stats br0

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - floating IP])
AT_SKIP_IF([test $HAVE_NC = no])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
OVS_CHECK_CT_CLEAR()

ADD_NAMESPACES(at_ns0, at_ns1)
ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24", "f0:00:00:01:01:01") dnl FIP 10.254.254.1
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24", "f0:00:00:01:01:02") dnl FIP 10.254.254.2

dnl Static ARPs
NS_CHECK_EXEC([at_ns0], [ip neigh add 10.1.1.2 lladdr f0:00:00:01:01:02 dev p0])
NS_CHECK_EXEC([at_ns1], [ip neigh add 10.1.1.1 lladdr f0:00:00:01:01:01 dev p1])

dnl Static ARP and route entries for the FIP "gateway"
NS_CHECK_EXEC([at_ns0], [ip neigh add 10.1.1.254 lladdr f0:00:00:01:01:FE dev p0])
NS_CHECK_EXEC([at_ns1], [ip neigh add 10.1.1.254 lladdr f0:00:00:01:01:FE dev p1])
NS_CHECK_EXEC([at_ns0], [ip route add default nexthop via 10.1.1.254])
NS_CHECK_EXEC([at_ns1], [ip route add default nexthop via 10.1.1.254])

NETNS_DAEMONIZE([at_ns0], [nc -l -k 1234 > /dev/null], [nc0.pid])

AT_DATA([flows.txt], [dnl
table=0,priority=10  ip action=ct(table=1)
table=0,priority=1   action=drop
dnl dst FIP
table=1,priority=20  ip,ct_state=+trk+est,nw_dst=10.254.254.0/24 action=goto_table:10
table=1,priority=20  ip,ct_state=+trk+new,nw_dst=10.254.254.0/24 action=ct(commit,table=10)
dnl dst local
table=1,priority=10  ip,ct_state=+trk+est action=goto_table:20
table=1,priority=10  ip,ct_state=+trk+new action=ct(commit,table=20)
table=1,priority=1   ip,ct_state=+trk+inv action=drop
dnl
dnl FIP translation (dst FIP, src local) --> (dst local, src FIP)
table=10             ip,nw_dst=10.254.254.1 action=set_field:10.1.1.1->nw_dst,goto_table:11
table=10             ip,nw_dst=10.254.254.2 action=set_field:10.1.1.2->nw_dst,goto_table:11
table=11             ip,nw_src=10.1.1.1 action=set_field:10.254.254.1->nw_src,goto_table:12
table=11             ip,nw_src=10.1.1.2 action=set_field:10.254.254.2->nw_src,goto_table:12
dnl clear conntrack and do another lookup since we changed the tuple
table=12,priority=10 ip action=ct_clear,ct(table=13)
table=12,priority=1  action=drop
table=13             ip,ct_state=+trk+est action=goto_table:20
table=13             ip,ct_state=+trk+new action=ct(commit,table=20)
table=13             ip,ct_state=+trk+inv action=drop
dnl
dnl Output
table=20             ip,nw_src=10.1.1.1 action=set_field:f0:00:00:01:01:01->eth_src,goto_table:21
table=20             ip,nw_src=10.1.1.2 action=set_field:f0:00:00:01:01:02->eth_src,goto_table:21
table=20             ip,nw_src=10.254.254.0/24 action=set_field:f0:00:00:01:01:FE->eth_src,goto_table:21
table=21             ip,nw_dst=10.1.1.1 action=set_field:f0:00:00:01:01:01->eth_dst,output:ovs-p0
table=21             ip,nw_dst=10.1.1.2 action=set_field:f0:00:00:01:01:02->eth_dst,output:ovs-p1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

dnl non-FIP case
NS_CHECK_EXEC([at_ns1], [echo "foobar" |nc $NC_EOF_OPT 10.1.1.1 1234])
OVS_WAIT_UNTIL([[ovs-appctl dpctl/dump-conntrack | sed -e 's/port=[0-9]*/port=<cleared>/g' -e 's/id=[0-9]*/id=<cleared>/g' |
grep "tcp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),protoinfo=(state=TIME_WAIT)"
]])

dnl Check that the full session ends as expected (i.e. TIME_WAIT). Otherwise it
dnl means the datapath didn't process the ct_clear action. Ending in SYN_RECV
dnl (OVS maps to ESTABLISHED) means the initial frame was committed, but not a
dnl second time after the FIP translation (because ct_clear didn't occur).
NS_CHECK_EXEC([at_ns1], [echo "foobar" |nc $NC_EOF_OPT 10.254.254.1 1234])
OVS_WAIT_UNTIL([[ovs-appctl dpctl/dump-conntrack | sed -e 's/port=[0-9]*/port=<cleared>/g' -e 's/id=[0-9]*/id=<cleared>/g' |
grep "tcp,orig=(src=10.254.254.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.254.254.2,sport=<cleared>,dport=<cleared>),protoinfo=(state=TIME_WAIT)"
]])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_SETUP([conntrack - negative test for recirculation optimization])
dnl This test will fail if 'conn' caching is being used, because the tuple
dnl has been changed outside of conntrack.
AT_SKIP_IF([test $HAVE_NC = no])
CHECK_CONNTRACK()
OVS_TRAFFIC_VSWITCHD_START()
OVS_CHECK_CT_CLEAR()

ADD_NAMESPACES(at_ns0, at_ns1)
ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24", "f0:00:00:01:01:01") dnl FIP 10.254.254.1
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24", "f0:00:00:01:01:02") dnl FIP 10.254.254.2

dnl Static ARPs
NS_CHECK_EXEC([at_ns0], [ip neigh add 10.1.1.2 lladdr f0:00:00:01:01:02 dev p0])
NS_CHECK_EXEC([at_ns1], [ip neigh add 10.1.1.1 lladdr f0:00:00:01:01:01 dev p1])

dnl Static ARP and route entries for the FIP "gateway"
NS_CHECK_EXEC([at_ns0], [ip neigh add 10.1.1.254 lladdr f0:00:00:01:01:FE dev p0])
NS_CHECK_EXEC([at_ns1], [ip neigh add 10.1.1.254 lladdr f0:00:00:01:01:FE dev p1])
NS_CHECK_EXEC([at_ns0], [ip route add default nexthop via 10.1.1.254])
NS_CHECK_EXEC([at_ns1], [ip route add default nexthop via 10.1.1.254])

NETNS_DAEMONIZE([at_ns0], [nc -l -k 1234 > /dev/null], [nc0.pid])

AT_DATA([flows.txt], [dnl
table=0,priority=10  ip action=ct(table=1)
dnl dst FIP
table=1,priority=20  ip,ct_state=+trk+est,nw_dst=10.254.254.0/24 action=goto_table:2
table=1,priority=20  ip,ct_state=+trk+new,nw_dst=10.254.254.0/24 action=ct(commit,exec(set_field:1->ct_mark),table=2)
dnl
dnl FIP translation (dst FIP, src local) --> (dst local, src FIP)
table=2             ip,nw_dst=10.254.254.1 action=set_field:10.1.1.1->nw_dst,goto_table:3
table=2             ip,nw_dst=10.254.254.2 action=set_field:10.1.1.2->nw_dst,goto_table:3
table=3             ip,nw_src=10.1.1.1 action=set_field:10.254.254.1->nw_src,goto_table:4
table=3             ip,nw_src=10.1.1.2 action=set_field:10.254.254.2->nw_src,goto_table:4
table=4             ip,nw_dst=10.1.1.1 action=set_field:f0:00:00:01:01:01->eth_dst,goto_table:5
table=4             ip,nw_dst=10.1.1.2 action=set_field:f0:00:00:01:01:02->eth_dst,goto_table:5
table=5             ip,nw_src=10.254.254.0/24 action=set_field:f0:00:00:01:01:FE->eth_src,goto_table:6
dnl
dnl Tuple has been changed outside of conntrack
table=6,priority=10 ip action=ct(table=7)
dnl
table=7             ip,ct_state=+trk+est action=goto_table:8
table=7             ip,ct_mark=0x0,ct_state=+trk+new action=ct(commit,exec(set_field:2->ct_mark),table=8)
dnl
table=8             ip,nw_dst=10.1.1.1 action=output:ovs-p0
table=8             ip,nw_dst=10.1.1.2 action=output:ovs-p1
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt])

NS_CHECK_EXEC([at_ns1], [echo "foobar" |nc $NC_EOF_OPT 10.254.254.1 1234])

AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.254.254)], [0], [dnl
tcp,orig=(src=10.1.1.2,dst=10.254.254.1,sport=<cleared>,dport=<cleared>),reply=(src=10.254.254.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),mark=1,protoinfo=(state=<cleared>)
tcp,orig=(src=10.254.254.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.1,dst=10.254.254.2,sport=<cleared>,dport=<cleared>),mark=2,protoinfo=(state=<cleared>)
])

ovs-appctl dpif/dump-flows br0

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP

AT_BANNER([802.1ad])

AT_SETUP([802.1ad - vlan_limit])
OVS_TRAFFIC_VSWITCHD_START([set Open_vSwitch . other_config:vlan-limit=0])
OVS_CHECK_8021AD()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

ADD_SVLAN(p0, at_ns0, 4094, "10.255.2.1/24")
ADD_SVLAN(p1, at_ns1, 4094, "10.255.2.2/24")

ADD_CVLAN(p0.4094, at_ns0, 100, "10.2.2.1/24")
ADD_CVLAN(p1.4094, at_ns1, 100, "10.2.2.2/24")

AT_CHECK([ovs-ofctl add-flow br0 "priority=1 action=normal"])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.2.2.2])

dnl CVLAN traffic should match the flow and drop
AT_CHECK([ovs-appctl revalidator/purge])
AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:vlan-limit=1])
AT_CHECK([ovs-ofctl add-flow br0 "priority=100 dl_type=0x8100 action=drop"])
NS_CHECK_EXEC([at_ns0], [ping -q -c 1 -w 3 10.2.2.2], [1], [ignore])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP


AT_SETUP([802.1ad - push/pop outer 802.1ad])
OVS_TRAFFIC_VSWITCHD_START([set Open_vSwitch . other_config:vlan-limit=0])
OVS_CHECK_8021AD()

ADD_BR([br1])
ADD_BR([br2])
ADD_NAMESPACES(at_ns0, at_ns1)

AT_CHECK([ip link add ovs-p0 type veth peer name ovs-p1])
AT_CHECK([ip link set dev ovs-p0 up])
AT_CHECK([ip link set dev ovs-p1 up])
AT_CHECK([ovs-vsctl add-port br0 ovs-p0])
AT_CHECK([ovs-vsctl add-port br1 ovs-p1])
on_exit 'ip link del ovs-p0'

AT_CHECK([ip link add ovs-p2 type veth peer name ovs-p3])
AT_CHECK([ip link set dev ovs-p2 up])
AT_CHECK([ip link set dev ovs-p3 up])
AT_CHECK([ovs-vsctl add-port br0 ovs-p2])
AT_CHECK([ovs-vsctl add-port br2 ovs-p3])
on_exit 'ip link del ovs-p2'

ADD_VETH(p4, at_ns0, br1, "10.1.1.1/24")
ADD_VETH(p5, at_ns1, br2, "10.1.1.2/24")
ADD_CVLAN(p4, at_ns0, 100, "10.2.2.1/24")
ADD_CVLAN(p5, at_ns1, 100, "10.2.2.2/24")

AT_DATA([flows-br0.txt], [dnl
priority=1 action=drop
priority=100 in_port=1 action=push_vlan:0x88a8,mod_vlan_vid=4094,output:2
priority=100 in_port=2 action=push_vlan:0x88a8,mod_vlan_vid=4094,output:1
])

AT_DATA([flows-customer-br.txt], [dnl
priority=1 action=normal
priority=100 in_port=1 vlan_tci=0x1000/0x1000 action=pop_vlan,normal
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows-br0.txt])
AT_CHECK([ovs-ofctl --bundle add-flows br1 flows-customer-br.txt])
AT_CHECK([ovs-ofctl --bundle add-flows br2 flows-customer-br.txt])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.2.2.2])

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP


AT_SETUP([802.1ad - push/pop outer 802.1q])
OVS_TRAFFIC_VSWITCHD_START([set Open_vSwitch . other_config:vlan-limit=0])
OVS_CHECK_8021AD()

ADD_BR([br1])
ADD_BR([br2])
ADD_NAMESPACES(at_ns0, at_ns1)

AT_CHECK([ip link add ovs-p0 type veth peer name ovs-p1])
AT_CHECK([ip link set dev ovs-p0 up])
AT_CHECK([ip link set dev ovs-p1 up])
AT_CHECK([ovs-vsctl add-port br0 ovs-p0])
AT_CHECK([ovs-vsctl add-port br1 ovs-p1])
on_exit 'ip link del ovs-p0'

AT_CHECK([ip link add ovs-p2 type veth peer name ovs-p3])
AT_CHECK([ip link set dev ovs-p2 up])
AT_CHECK([ip link set dev ovs-p3 up])
AT_CHECK([ovs-vsctl add-port br0 ovs-p2])
AT_CHECK([ovs-vsctl add-port br2 ovs-p3])
on_exit 'ip link del ovs-p2'

ADD_VETH(p4, at_ns0, br1, "10.1.1.1/24")
ADD_VETH(p5, at_ns1, br2, "10.1.1.2/24")
ADD_CVLAN(p4, at_ns0, 100, "10.2.2.1/24")
ADD_CVLAN(p5, at_ns1, 100, "10.2.2.2/24")

AT_DATA([flows-br0.txt], [dnl
priority=1 action=drop
priority=100 in_port=1 action=push_vlan:0x8100,mod_vlan_vid=4094,output:2
priority=100 in_port=2 action=push_vlan:0x8100,mod_vlan_vid=4094,output:1
])

AT_DATA([flows-customer-br.txt], [dnl
priority=1 action=normal
priority=100 in_port=1 vlan_tci=0x1000/0x1000 action=pop_vlan,normal
])

AT_CHECK([ovs-ofctl --bundle add-flows br0 flows-br0.txt])
AT_CHECK([ovs-ofctl --bundle add-flows br1 flows-customer-br.txt])
AT_CHECK([ovs-ofctl --bundle add-flows br2 flows-customer-br.txt])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.2.2.2])

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP


AT_SETUP([802.1ad - 802.1q tunnel])
OVS_TRAFFIC_VSWITCHD_START([set Open_vSwitch . other_config:vlan-limit=0])
OVS_CHECK_8021AD()

ADD_BR([br1])
ADD_BR([br2])
ADD_NAMESPACES(at_ns0, at_ns1)

AT_CHECK([ip link add ovs-p0 type veth peer name ovs-p1])
AT_CHECK([ip link set dev ovs-p0 up])
AT_CHECK([ip link set dev ovs-p1 up])
AT_CHECK([ovs-vsctl add-port br0 ovs-p0])
AT_CHECK([ovs-vsctl add-port br1 ovs-p1])
on_exit 'ip link del ovs-p0'

AT_CHECK([ip link add ovs-p2 type veth peer name ovs-p3])
AT_CHECK([ip link set dev ovs-p2 up])
AT_CHECK([ip link set dev ovs-p3 up])
AT_CHECK([ovs-vsctl add-port br0 ovs-p2])
AT_CHECK([ovs-vsctl add-port br2 ovs-p3])
on_exit 'ip link del ovs-p2'

ADD_VETH(p4, at_ns0, br1, "10.1.1.1/24")
ADD_VETH(p5, at_ns1, br2, "10.1.1.2/24")
ADD_CVLAN(p4, at_ns0, 100, "10.2.2.1/24")
ADD_CVLAN(p5, at_ns1, 100, "10.2.2.2/24")
ADD_CVLAN(p4, at_ns0, 200, "10.3.2.1/24")
ADD_CVLAN(p5, at_ns1, 200, "10.3.2.2/24")
ADD_CVLAN(p4, at_ns0, 300, "10.4.2.1/24")
ADD_CVLAN(p5, at_ns1, 300, "10.4.2.2/24")

AT_CHECK([ovs-ofctl add-flow br0 action=normal])
AT_CHECK([ovs-ofctl add-flow br1 action=normal])
AT_CHECK([ovs-ofctl add-flow br2 action=normal])
AT_CHECK([ovs-vsctl set port ovs-p0 vlan_mode=dot1q-tunnel tag=4094 cvlans=100,200])
AT_CHECK([ovs-vsctl set port ovs-p2 vlan_mode=dot1q-tunnel tag=4094 cvlans=100,200])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.2.2.2])
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.3.2.2])

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.3.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.3.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

dnl CVLAN 300 is not permitted by dot1q-tunnel
NS_CHECK_EXEC([at_ns0], [ping -q -c 1 -w 3 10.4.2.2], [1], [ignore])

OVS_TRAFFIC_VSWITCHD_STOP(["/dropping VLAN \(0\|300\) packet received on dot1q-tunnel port/d"])
AT_CLEANUP

AT_SETUP([802.1ad - double vlan match])
OVS_TRAFFIC_VSWITCHD_START([set Open_vSwitch . other_config:vlan-limit=0])
OVS_CHECK_8021AD()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")

ADD_SVLAN(p0, at_ns0, 4094, "10.255.2.1/24")
ADD_SVLAN(p1, at_ns1, 4094, "10.255.2.2/24")

ADD_CVLAN(p0.4094, at_ns0, 100, "10.2.2.1/24")
ADD_CVLAN(p1.4094, at_ns1, 100, "10.2.2.2/24")

AT_DATA([flows-br0.txt], [dnl
table=0,priority=1                action=drop
table=0,priority=100 dl_vlan=4094 action=pop_vlan,goto_table:1
table=1,priority=100 dl_vlan=100  action=push_vlan:0x88a8,mod_vlan_vid:4094,normal
])
AT_CHECK([ovs-ofctl --bundle add-flows br0 flows-br0.txt])

OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.2.2.2])

NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

NS_CHECK_EXEC([at_ns0], [ping -s 1600 -q -c 3 -i 0.3 -w 2 10.2.2.2 | FORMAT_PING], [0], [dnl
3 packets transmitted, 3 received, 0% packet loss, time 0ms
])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP


AT_BANNER([nsh-datapath])

AT_SETUP([nsh - encap header])
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "0.0.0.0")
ADD_VETH(p1, at_ns1, br0, "0.0.0.0")

dnl The flow will encap a nsh header to the TCP syn packet
dnl eth/ip/tcp --> OVS --> eth/nsh/eth/ip/tcp
AT_CHECK([ovs-ofctl -Oopenflow13 add-flow br0 "table=0,priority=100,in_port=ovs-p0,ip,actions=encap(nsh(md_type=1)),set_field:0x1234->nsh_spi,set_field:0x11223344->nsh_c1,encap(ethernet),set_field:f2:ff:00:00:00:02->dl_dst,set_field:f2:ff:00:00:00:01->dl_src,ovs-p1"])

NS_CHECK_EXEC([at_ns1], [tcpdump -l -n -xx -U -i p1 > p1.pcap &])
sleep 1

dnl The hex dump is a TCP syn packet. pkt=eth/ip/tcp
dnl The packet is sent from p0(at_ns0) interface directed to
dnl p1(at_ns1) interface
NS_CHECK_EXEC([at_ns0], [$PYTHON3 $srcdir/sendpkt.py p0 f2 00 00 00 00 02 f2 00 00 00 00 01 08 00 45 00 00 28 00 01 00 00 40 06 b0 13 c0 a8 00 0a 0a 00 00 0a 04 00 08 00 00 00 00 c8 00 00 00 00 50 02 20 00 b8 5e 00 00 > /dev/null])

dnl Check the expected nsh encapsulated packet on the egress interface
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0000: *f2ff *0000 *0002 *f2ff *0000 *0001 *894f *0fc6" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0010: *0103 *0012 *34ff *1122 *3344 *0000 *0000 *0000" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0020: *0000 *0000 *0000 *f200 *0000 *0002 *f200 *0000" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0030: *0001 *0800 *4500 *0028 *0001 *0000 *4006 *b013" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0040: *c0a8 *000a *0a00 *000a *0400 *0800 *0000 *00c8" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0050: *0000 *0000 *5002 *2000 *b85e *0000" 2>&1 1>/dev/null])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP


AT_SETUP([nsh - decap header])
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "0.0.0.0")
ADD_VETH(p1, at_ns1, br0, "0.0.0.0")

dnl The flow will decap a nsh header which in turn carries a TCP syn packet
dnl eth/nsh/eth/ip/tcp --> OVS --> eth/ip/tcp
AT_CHECK([ovs-ofctl -Oopenflow13 add-flow br0 "table=0,priority=100,in_port=ovs-p0,dl_type=0x894f, actions=decap(),decap(), ovs-p1"])

NS_CHECK_EXEC([at_ns1], [tcpdump -l -n -xx -U -i p1 > p1.pcap &])
sleep 1

dnl The hex dump is NSH packet with TCP syn payload. pkt=eth/nsh/eth/ip/tcp
dnl The packet is sent from p0(at_ns0) interface directed to
dnl p1(at_ns1) interface
NS_CHECK_EXEC([at_ns0], [$PYTHON3 $srcdir/sendpkt.py p0 f2 ff 00 00 00 02 f2 ff 00 00 00 01 89 4f 02 06 01 03 00 00 64 03 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 f2 00 00 00 00 02 f2 00 00 00 00 01 08 00 45 00 00 28 00 01 00 00 40 06 b0 13 c0 a8 00 0a 0a 00 00 0a 04 00 08 00 00 00 00 c8 00 00 00 00 50 02 20 00 b8 5e 00 00 > /dev/null])

dnl Check the expected de-capsulated TCP packet on the egress interface
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0000: *f200 *0000 *0002 *f200 *0000 *0001 *0800 *4500" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0010: *0028 *0001 *0000 *4006 *b013 *c0a8 *000a *0a00" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0020: *000a *0400 *0800 *0000 *00c8 *0000 *0000 *5002" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0030: *2000 *b85e *0000" 2>&1 1>/dev/null])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP


AT_SETUP([nsh - replace header])
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1)

ADD_VETH(p0, at_ns0, br0, "0.0.0.0")
ADD_VETH(p1, at_ns1, br0, "0.0.0.0")

dnl The flow will decap a nsh header and encap a new nsh header
dnl eth/nsh-X/eth/ip/tcp --> OVS --> eth/nsh-Y/eth/ip/tcp
dnl The flow will add another NSH header with nsh_spi=0x101, nsh_si=4,
dnl nsh_ttl=7 and change the md1 context
AT_CHECK([ovs-ofctl -Oopenflow13 add-flow br0 "table=0,priority=100,in_port=ovs-p0,dl_type=0x894f,nsh_spi=0x100,nsh_si=0x03,actions=decap(),decap(),encap(nsh(md_type=1)),set_field:0x07->nsh_ttl,set_field:0x0101->nsh_spi,set_field:0x04->nsh_si,set_field:0x100f0e0d->nsh_c1,set_field:0x0c0b0a09->nsh_c2,set_field:0x08070605->nsh_c3,set_field:0x04030201->nsh_c4,encap(ethernet),set_field:f2:ff:00:00:00:02->dl_dst,set_field:f2:ff:00:00:00:01->dl_src,ovs-p1"])

NS_CHECK_EXEC([at_ns1], [tcpdump -l -n -xx -U -i p1 > p1.pcap &])
sleep 1

dnl The hex dump is NSH packet with TCP syn payload. pkt=eth/nsh/eth/ip/tcp
dnl The nsh_ttl is 8, nsh_spi is 0x100 and nsh_si is 3
dnl The packet is sent from p0(at_ns0) interface directed to
dnl p1(at_ns1) interface
NS_CHECK_EXEC([at_ns0], [$PYTHON3 $srcdir/sendpkt.py p0 f2 ff 00 00 00 02 f2 ff 00 00 00 01 89 4f 02 06 01 03 00 01 00 03 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 f2 00 00 00 00 02 f2 00 00 00 00 01 08 00 45 00 00 28 00 01 00 00 40 06 b0 13 c0 a8 00 0a 0a 00 00 0a 04 00 08 00 00 00 00 c8 00 00 00 00 50 02 20 00 b8 5e 00 00 > /dev/null])

dnl Check the expected NSH packet with new fields in the header
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0000: *f2ff *0000 *0002 *f2ff *0000* 0001 *894f *01c6" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0010: *0103 *0001 *0104 *100f *0e0d *0c0b *0a09 *0807" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0020: *0605 *0403 *0201 *f200 *0000 *0002 *f200 *0000" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0030: *0001 *0800 *4500 *0028 *0001 *0000 *4006 *b013" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0040: *c0a8 *000a *0a00 *000a *0400 *0800 *0000 *00c8" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0050: *0000 *0000 *5002 *2000 *b85e *0000" 2>&1 1>/dev/null])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP


AT_SETUP([nsh - forward])
OVS_TRAFFIC_VSWITCHD_START()

ADD_NAMESPACES(at_ns0, at_ns1, at_ns2)

ADD_VETH(p0, at_ns0, br0, "0.0.0.0")
ADD_VETH(p1, at_ns1, br0, "0.0.0.0")
ADD_VETH(p2, at_ns2, br0, "0.0.0.0")

dnl Push two flows to OVS. #1 will check on SPI=0X100, SI=2 and send the
dnl packet to at_ns1. #2 will check on SPI=0X100, SI=1 and send the
dnl packet to to at_ns2.
AT_CHECK([ovs-ofctl -Oopenflow13 add-flow br0 "table=0,priority=100,dl_type=0x894f,nsh_spi=0x100,nsh_si=0x02,actions=ovs-p1"])
AT_CHECK([ovs-ofctl -Oopenflow13 add-flow br0 "table=0,priority=100,dl_type=0x894f,nsh_spi=0x100,nsh_si=0x01,actions=ovs-p2"])

NS_CHECK_EXEC([at_ns1], [tcpdump -l -n -xx -U -i p1 > p1.pcap &])
NS_CHECK_EXEC([at_ns2], [tcpdump -l -n -xx -U -i p2 > p2.pcap &])
sleep 1

dnl First send packet from at_ns0 --> OVS with SPI=0x100 and SI=2
NS_CHECK_EXEC([at_ns0], [$PYTHON3 $srcdir/sendpkt.py p0 f2 ff 00 00 00 02 f2 ff 00 00 00 01 89 4f 02 06 01 03 00 01 00 02 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 f2 00 00 00 00 02 f2 00 00 00 00 01 08 00 45 00 00 28 00 01 00 00 40 06 b0 13 c0 a8 00 0a 0a 00 00 0a 04 00 08 00 00 00 00 c8 00 00 00 00 50 02 20 00 b8 5e 00 00 > /dev/null])

dnl Check for the above packet on p1 interface
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0000: *f2ff *0000 *0002 *f2ff *0000 *0001 *894f *0206" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0010: *0103 *0001 *0002 *0102 *0304 *0506 *0708 *090a" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0020: *0b0c *0d0e *0f10 *f200 *0000 *0002 *f200 *0000" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0030: *0001 *0800 *4500 *0028 *0001 *0000 *4006 *b013" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0040: *c0a8 *000a *0a00 *000a *0400 *0800 *0000 *00c8" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p1.pcap | egrep "0x0050: *0000 *0000 *5002 *2000 *b85e *0000" 2>&1 1>/dev/null])

dnl Send the second packet from at_ns1 --> OVS with SPI=0x100 and SI=1
NS_CHECK_EXEC([at_ns1], [$PYTHON3 $srcdir/sendpkt.py p1 f2 ff 00 00 00 02 f2 ff 00 00 00 01 89 4f 01 c6 01 03 00 01 00 01 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 f2 00 00 00 00 02 f2 00 00 00 00 01 08 00 45 00 00 28 00 01 00 00 40 06 b0 13 c0 a8 00 0a 0a 00 00 0a 04 00 08 00 00 00 00 c8 00 00 00 00 50 02 20 00 b8 5e 00 00 > /dev/null])

dnl Check for the above packet on p2 interface
OVS_WAIT_UNTIL([cat p2.pcap | egrep "0x0000: *f2ff *0000 *0002 *f2ff *0000 *0001 *894f *01c6" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p2.pcap | egrep "0x0010: *0103 *0001 *0001 *0102 *0304 *0506 *0708 *090a" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p2.pcap | egrep "0x0020: *0b0c *0d0e *0f10 *f200 *0000 *0002 *f200 *0000" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p2.pcap | egrep "0x0030: *0001 *0800 *4500 *0028 *0001 *0000 *4006 *b013" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p2.pcap | egrep "0x0040: *c0a8 *000a *0a00 *000a *0400 *0800 *0000 *00c8" 2>&1 1>/dev/null])
OVS_WAIT_UNTIL([cat p2.pcap | egrep "0x0050: *0000 *0000 *5002 *2000 *b85e *0000" 2>&1 1>/dev/null])

OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP