path: root/tests/nsh.at

AT_BANNER([network service header (NSH)])

### -----------------------------------------------------------------
###   Simple NSH matching test case
### -----------------------------------------------------------------

AT_SETUP([nsh - matching])

OVS_VSWITCHD_START([dnl
    set bridge br0 datapath_type=dummy \
        protocols=OpenFlow10,OpenFlow13,OpenFlow14,OpenFlow15 -- \
    add-port br0 p1 -- set Interface p1 type=dummy ofport_request=1 -- \
    add-port br0 p2 -- set Interface p2 type=dummy ofport_request=2])

AT_DATA([flows.txt], [dnl
    table=0,in_port=1,dl_type=0x894f,nsh_ttl=63,nsh_mdtype=1,nsh_np=3,nsh_spi=0x123456,nsh_si=255,nsh_c1=0x11223344,actions=set_field:0x2->nsh_flags,set_field:254->nsh_si,set_field:0x44332211->nsh_c1,2
])

AT_CHECK([
    ovs-ofctl del-flows br0
    ovs-ofctl -Oopenflow13 add-flows br0 flows.txt
    ovs-ofctl -Oopenflow13 dump-flows br0 | ofctl_strip | sort | grep actions
], [0], [dnl
 in_port=1,dl_type=0x894f,nsh_ttl=63,nsh_mdtype=1,nsh_np=3,nsh_spi=0x123456,nsh_si=255,nsh_c1=0x11223344 actions=set_field:2->nsh_flags,set_field:254->nsh_si,set_field:0x44332211->nsh_c1,output:2
])

AT_CHECK([
    ovs-appctl ofproto/trace br0 'in_port=1,dl_type=0x894f,nsh_ttl=63,nsh_mdtype=1,nsh_np=3,nsh_spi=0x123456,nsh_si=255,nsh_c1=0x11223344,nsh_c2=0x55667788,nsh_c3=0x99aabbcc,nsh_c4=0xddeeff00'
], [0], [dnl
Flow: in_port=1,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=00:00:00:00:00:00,dl_type=0x894f,nsh_flags=0,nsh_ttl=63,nsh_mdtype=1,nsh_np=3,nsh_spi=0x123456,nsh_si=255,nsh_c1=0x11223344,nsh_c2=0x55667788,nsh_c3=0x99aabbcc,nsh_c4=0xddeeff00,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=0,nw_frag=no

bridge("br0")
-------------
 0. in_port=1,dl_type=0x894f,nsh_ttl=63,nsh_mdtype=1,nsh_np=3,nsh_spi=0x123456,nsh_si=255,nsh_c1=0x11223344, priority 32768
    set_field:2->nsh_flags
    set_field:254->nsh_si
    set_field:0x44332211->nsh_c1
    output:2

Final flow: in_port=1,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=00:00:00:00:00:00,dl_type=0x894f,nsh_flags=2,nsh_ttl=63,nsh_mdtype=1,nsh_np=3,nsh_spi=0x123456,nsh_si=254,nsh_c1=0x44332211,nsh_c2=0x55667788,nsh_c3=0x99aabbcc,nsh_c4=0xddeeff00,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=0,nw_frag=no
Megaflow: recirc_id=0,eth,in_port=1,dl_type=0x894f,nsh_flags=0,nsh_ttl=63,nsh_mdtype=1,nsh_np=3,nsh_spi=0x123456,nsh_si=255,nsh_c1=0x11223344
Datapath actions: set(nsh(flags=2,ttl=63,spi=0x123456,si=254,c1=0x44332211)),2
])

OVS_VSWITCHD_STOP
AT_CLEANUP


### -----------------------------------------------------------------
###   NSH MD1 on Ethernet encapsulation over veth link
### -----------------------------------------------------------------

AT_SETUP([nsh - md1 encap over a veth link])

OVS_VSWITCHD_START([])

AT_CHECK([
ovs-vsctl set bridge br0 datapath_type=dummy \
            protocols=OpenFlow10,OpenFlow13,OpenFlow14,OpenFlow15 -- \
        add-port br0 p1 -- set Interface p1 type=dummy ofport_request=1 -- \
        add-port br0 p2 -- set Interface p2 type=dummy ofport_request=2 -- \
        add-port br0 v3 -- set Interface v3 type=patch options:peer=v4 ofport_request=3 -- \
        add-port br0 v4 -- set Interface v4 type=patch options:peer=v3 ofport_request=4])

AT_DATA([flows.txt], [dnl
    table=0,in_port=1,ip,actions=encap(nsh(md_type=1)),set_field:0x1234->nsh_spi,set_field:0x11223344->nsh_c1,encap(ethernet),set_field:11:22:33:44:55:66->dl_dst,3
    table=0,in_port=4,dl_type=0x894f,nsh_mdtype=1,nsh_spi=0x1234,nsh_c1=0x11223344,actions=decap(),decap(),2
])

AT_CHECK([
    ovs-ofctl del-flows br0
    ovs-ofctl -Oopenflow13 add-flows br0 flows.txt
    ovs-ofctl -Oopenflow13 dump-flows br0 | ofctl_strip | sort | grep actions
], [0], [dnl
 in_port=4,dl_type=0x894f,nsh_mdtype=1,nsh_spi=0x1234,nsh_c1=0x11223344 actions=decap(),decap(),output:2
 ip,in_port=1 actions=encap(nsh(md_type=1)),set_field:0x1234->nsh_spi,set_field:0x11223344->nsh_c1,encap(ethernet),set_field:11:22:33:44:55:66->eth_dst,output:3
])

# TODO:
# The fields nw_proto, nw_tos, nw_ecn, nw_ttl in final flow seem unnecessary. Can they be avoided?
# The match on dl_dst=66:77:88:99:aa:bb in the Megaflow is a side effect of setting the dl_dst in the pushed outer
# Ethernet header. It is a consequence of using wc->masks both for tracking matched and set bits and seems hard to
# avoid except by using separate masks for both purposes.

AT_CHECK([
    ovs-appctl ofproto/trace br0 'in_port=1,icmp,dl_src=00:11:22:33:44:55,dl_dst=66:77:88:99:aa:bb,nw_dst=10.10.10.10,nw_src=20.20.20.20'
], [0], [dnl
Flow: icmp,in_port=1,vlan_tci=0x0000,dl_src=00:11:22:33:44:55,dl_dst=66:77:88:99:aa:bb,nw_src=20.20.20.20,nw_dst=10.10.10.10,nw_tos=0,nw_ecn=0,nw_ttl=0,nw_frag=no,icmp_type=0,icmp_code=0

bridge("br0")
-------------
 0. ip,in_port=1, priority 32768
    encap(nsh(md_type=1))
    set_field:0x1234->nsh_spi
    set_field:0x11223344->nsh_c1
    encap(ethernet)
    set_field:11:22:33:44:55:66->eth_dst
    output:3

bridge("br0")
-------------
 0. in_port=4,dl_type=0x894f,nsh_mdtype=1,nsh_spi=0x1234,nsh_c1=0x11223344, priority 32768
    decap()
    decap()

Final flow: in_port=1,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=11:22:33:44:55:66,dl_type=0x894f,nsh_flags=0,nsh_ttl=63,nsh_mdtype=1,nsh_np=3,nsh_spi=0x1234,nsh_si=255,nsh_c1=0x11223344,nsh_c2=0x0,nsh_c3=0x0,nsh_c4=0x0,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=0,nw_frag=no
Megaflow: recirc_id=0,eth,ip,in_port=1,dl_dst=66:77:88:99:aa:bb,nw_frag=no
Datapath actions: push_nsh(flags=0,ttl=63,mdtype=1,np=3,spi=0x1234,si=255,c1=0x11223344,c2=0x0,c3=0x0,c4=0x0),push_eth(src=00:00:00:00:00:00,dst=11:22:33:44:55:66),pop_eth,pop_nsh(),recirc(0x1)
])

AT_CHECK([
    ovs-appctl ofproto/trace br0 'in_port=4,dl_type=0x894f,nsh_mdtype=1,nsh_np=3,nsh_spi=0x1234,nsh_c1=0x11223344'
], [0], [dnl
Flow: in_port=4,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=00:00:00:00:00:00,dl_type=0x894f,nsh_flags=0,nsh_ttl=0,nsh_mdtype=1,nsh_np=3,nsh_spi=0x1234,nsh_si=0,nsh_c1=0x11223344,nsh_c2=0x0,nsh_c3=0x0,nsh_c4=0x0,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=0,nw_frag=no

bridge("br0")
-------------
 0. in_port=4,dl_type=0x894f,nsh_mdtype=1,nsh_spi=0x1234,nsh_c1=0x11223344, priority 32768
    decap()
    decap()

Final flow: unchanged
Megaflow: recirc_id=0,eth,in_port=4,dl_type=0x894f,nsh_mdtype=1,nsh_np=3,nsh_spi=0x1234,nsh_c1=0x11223344
Datapath actions: pop_eth,pop_nsh(),recirc(0x2)
])

# Now send two real ICMP echo request packets in on port p1

AT_CHECK([
    ovs-appctl netdev-dummy/receive p1 1e2ce92a669e3a6dd2099cab0800450000548a53400040011addc0a80a0ac0a80a1e08006f200a4d0001fc509a58000000002715020000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637
    ovs-appctl netdev-dummy/receive p1 1e2ce92a669e3a6dd2099cab0800450000548a83400040011aadc0a80a0ac0a80a1e0800b7170a4d0002fd509a5800000000de1c020000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637
], [0], [ignore])

ovs-appctl time/warp 1000

# A packet count of 1 in the megaflow entries means the first packet was processed by
# the ofproto slow path and the second successfully by the datapath flow entry.

AT_CHECK([
    ovs-appctl dpctl/dump-flows dummy@ovs-dummy | strip_used | grep -v ipv6 | sort
], [0], [flow-dump from the main thread:
recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth(dst=1e:2c:e9:2a:66:9e),eth_type(0x0800),ipv4(frag=no), packets:1, bytes:98, used:0.0s, actions:push_nsh(flags=0,ttl=63,mdtype=1,np=3,spi=0x1234,si=255,c1=0x11223344,c2=0x0,c3=0x0,c4=0x0),push_eth(src=00:00:00:00:00:00,dst=11:22:33:44:55:66),pop_eth,pop_nsh(),recirc(0x3)
recirc_id(0x3),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(frag=no), packets:1, bytes:98, used:0.0s, actions:2
])

# Verify, that VLAN tagged packets can be encapsulated by NSH header.
ovs-appctl time/warp 10000

AT_DATA([flows.txt], [dnl
    table=0,in_port=1,actions=push_vlan:0x8100,mod_vlan_vid:100,3
    table=0,in_port=4,actions=encap(nsh),decap(),2
])

AT_CHECK([
    ovs-ofctl del-flows br0
    ovs-ofctl -Oopenflow13 add-flows br0 flows.txt
    ovs-ofctl -Oopenflow13 dump-flows br0 | ofctl_strip | sort | grep actions
], [0], [dnl
 in_port=1 actions=push_vlan:0x8100,set_field:4196->vlan_vid,output:3
 in_port=4 actions=encap(nsh),decap(),output:2
])

AT_CHECK([
    ovs-appctl netdev-dummy/receive p1 1e2ce92a669e3a6dd2099cab0800450000548a53400040011addc0a80a0ac0a80a1e08006f200a4d0001fc509a58000000002715020000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637
    ovs-appctl netdev-dummy/receive p1 1e2ce92a669e3a6dd2099cab0800450000548a83400040011aadc0a80a0ac0a80a1e0800b7170a4d0002fd509a5800000000de1c020000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637
], [0], [ignore])

ovs-appctl time/warp 1000
ovs-appctl time/warp 1000
ovs-appctl time/warp 1000

AT_CHECK([
    ovs-appctl dpctl/dump-flows dummy@ovs-dummy | strip_used | grep -v ipv6 | sort
], [0], [flow-dump from the main thread:
recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(frag=no), packets:1, bytes:98, used:0.0s, actions:push_vlan(vid=100,pcp=0),push_nsh(flags=0,ttl=63,mdtype=1,np=3,spi=0x0,si=255,c1=0x0,c2=0x0,c3=0x0,c4=0x0),pop_nsh(),recirc(0x4)
recirc_id(0x4),in_port(1),packet_type(ns=0,id=0),eth_type(0x8100),vlan(vid=100),encap(eth_type(0x0800),ipv4(frag=no)), packets:1, bytes:102, used:0.0s, actions:2
])

OVS_VSWITCHD_STOP
AT_CLEANUP


### -----------------------------------------------------------------
###   NSH MD2 on Ethernet encapsulation over veth link
### -----------------------------------------------------------------

AT_SETUP([nsh - md2 encap over a veth link])

OVS_VSWITCHD_START([])

AT_CHECK([
ovs-vsctl set bridge br0 datapath_type=dummy \
            protocols=OpenFlow10,OpenFlow13,OpenFlow14,OpenFlow15 -- \
        add-port br0 p1 -- set Interface p1 type=dummy ofport_request=1 -- \
        add-port br0 p2 -- set Interface p2 type=dummy ofport_request=2 -- \
        add-port br0 v3 -- set Interface v3 type=patch options:peer=v4 ofport_request=3 -- \
        add-port br0 v4 -- set Interface v4 type=patch options:peer=v3 ofport_request=4])

AT_DATA([flows.txt], [dnl
    table=0,in_port=1,ip,actions=encap(nsh(md_type=2,tlv(0x1000,10,0x12345678),tlv(0x2000,20,0xfedcba9876543210))),set_field:0x1234->nsh_spi,encap(ethernet),set_field:11:22:33:44:55:66->dl_dst,3
    table=0,in_port=4,dl_type=0x894f,nsh_mdtype=2,nsh_spi=0x1234,actions=decap(),decap(),2
])

AT_CHECK([
    ovs-ofctl del-flows br0
    ovs-ofctl -Oopenflow13 add-flows br0 flows.txt
    ovs-ofctl -Oopenflow13 dump-flows br0 | ofctl_strip | sort | grep actions
], [0], [dnl
 in_port=4,dl_type=0x894f,nsh_mdtype=2,nsh_spi=0x1234 actions=decap(),decap(),output:2
 ip,in_port=1 actions=encap(nsh(md_type=2,tlv(0x1000,10,0x12345678),tlv(0x2000,20,0xfedcba9876543210))),set_field:0x1234->nsh_spi,encap(ethernet),set_field:11:22:33:44:55:66->eth_dst,output:3
])

AT_CHECK([
    ovs-appctl ofproto/trace br0 'in_port=1,icmp,dl_src=00:11:22:33:44:55,dl_dst=66:77:88:99:aa:bb,nw_dst=10.10.10.10,nw_src=20.20.20.20'
], [0], [dnl
Flow: icmp,in_port=1,vlan_tci=0x0000,dl_src=00:11:22:33:44:55,dl_dst=66:77:88:99:aa:bb,nw_src=20.20.20.20,nw_dst=10.10.10.10,nw_tos=0,nw_ecn=0,nw_ttl=0,nw_frag=no,icmp_type=0,icmp_code=0

bridge("br0")
-------------
 0. ip,in_port=1, priority 32768
    encap(nsh(md_type=2,tlv(0x1000,10,0x12345678),tlv(0x2000,20,0xfedcba9876543210)))
    set_field:0x1234->nsh_spi
    encap(ethernet)
    set_field:11:22:33:44:55:66->eth_dst
    output:3

bridge("br0")
-------------
 0. in_port=4,dl_type=0x894f,nsh_mdtype=2,nsh_spi=0x1234, priority 32768
    decap()
    decap()

Final flow: in_port=1,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=11:22:33:44:55:66,dl_type=0x894f,nsh_flags=0,nsh_ttl=63,nsh_mdtype=2,nsh_np=3,nsh_spi=0x1234,nsh_si=255,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=0,nw_frag=no
Megaflow: recirc_id=0,eth,ip,in_port=1,dl_dst=66:77:88:99:aa:bb,nw_frag=no
Datapath actions: push_nsh(flags=0,ttl=63,mdtype=2,np=3,spi=0x1234,si=255,md2=0x10000a041234567820001408fedcba9876543210),push_eth(src=00:00:00:00:00:00,dst=11:22:33:44:55:66),pop_eth,pop_nsh(),recirc(0x1)
])

AT_CHECK([
    ovs-appctl ofproto/trace br0 'in_port=4,dl_type=0x894f,nsh_mdtype=2,nsh_np=3,nsh_spi=0x1234'
], [0], [dnl
Flow: in_port=4,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=00:00:00:00:00:00,dl_type=0x894f,nsh_flags=0,nsh_ttl=0,nsh_mdtype=2,nsh_np=3,nsh_spi=0x1234,nsh_si=0,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=0,nw_frag=no

bridge("br0")
-------------
 0. in_port=4,dl_type=0x894f,nsh_mdtype=2,nsh_spi=0x1234, priority 32768
    decap()
    decap()

Final flow: unchanged
Megaflow: recirc_id=0,eth,in_port=4,dl_type=0x894f,nsh_mdtype=2,nsh_np=3,nsh_spi=0x1234
Datapath actions: pop_eth,pop_nsh(),recirc(0x2)
])

# Now send two real ICMP echo request packets in on port p1

AT_CHECK([
    ovs-appctl netdev-dummy/receive p1 1e2ce92a669e3a6dd2099cab0800450000548a53400040011addc0a80a0ac0a80a1e08006f200a4d0001fc509a58000000002715020000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637
    ovs-appctl netdev-dummy/receive p1 1e2ce92a669e3a6dd2099cab0800450000548a83400040011aadc0a80a0ac0a80a1e0800b7170a4d0002fd509a5800000000de1c020000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637
], [0], [ignore])

ovs-appctl time/warp 1000

# A packet count of 1 in the megaflow entries means the first packet was processed by
# the ofproto slow path and the second successfully by the datapath flow entry.

AT_CHECK([
    ovs-appctl dpctl/dump-flows dummy@ovs-dummy | strip_used | grep -v ipv6 | sort
], [0], [flow-dump from the main thread:
recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth(dst=1e:2c:e9:2a:66:9e),eth_type(0x0800),ipv4(frag=no), packets:1, bytes:98, used:0.0s, actions:push_nsh(flags=0,ttl=63,mdtype=2,np=3,spi=0x1234,si=255,md2=0x10000a041234567820001408fedcba9876543210),push_eth(src=00:00:00:00:00:00,dst=11:22:33:44:55:66),pop_eth,pop_nsh(),recirc(0x3)
recirc_id(0x3),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(frag=no), packets:1, bytes:98, used:0.0s, actions:2
])


OVS_VSWITCHD_STOP
AT_CLEANUP


### -----------------------------------------------------------------
###   Double NSH MD1 encapsulation using groups over veth link
### -----------------------------------------------------------------

AT_SETUP([nsh - double encap over veth link using groups])

OVS_VSWITCHD_START([])

AT_CHECK([
ovs-vsctl set bridge br0 datapath_type=dummy \
            protocols=OpenFlow10,OpenFlow13,OpenFlow14,OpenFlow15 -- \
        add-port br0 p1 -- set Interface p1 type=dummy ofport_request=1 -- \
        add-port br0 p2 -- set Interface p2 type=dummy ofport_request=2 -- \
        add-port br0 v3 -- set Interface v3 type=patch options:peer=v4 ofport_request=3 -- \
        add-port br0 v4 -- set Interface v4 type=patch options:peer=v3 ofport_request=4])

AT_DATA([flows.txt], [dnl
    table=0,in_port=1,ip,actions=group:100
    table=0,in_port=4,packet_type=(0,0),dl_type=0x894f,nsh_mdtype=1,nsh_spi=0x5678,nsh_c1=0x55667788,actions=decap(),goto_table:1
    table=1,packet_type=(1,0x894f),nsh_mdtype=1,nsh_spi=0x5678,nsh_c1=0x55667788,actions=decap(),goto_table:2
    table=2,packet_type=(1,0x894f),nsh_mdtype=1,nsh_spi=0x1234,nsh_c1=0x11223344,actions=decap(),output:2
])

AT_DATA([groups.txt], [dnl
    add group_id=100,type=indirect,bucket=actions=encap(nsh(md_type=1)),set_field:0x1234->nsh_spi,set_field:0x11223344->nsh_c1,group:200
    add group_id=200,type=indirect,bucket=actions=encap(nsh(md_type=1)),set_field:0x5678->nsh_spi,set_field:0x55667788->nsh_c1,group:300
    add group_id=300,type=indirect,bucket=actions=encap(ethernet),set_field:11:22:33:44:55:66->dl_dst,3
])

AT_CHECK([
    ovs-ofctl del-flows br0
    ovs-ofctl -Oopenflow13 add-groups br0 groups.txt
    ovs-ofctl -Oopenflow13 add-flows br0 flows.txt
    ovs-ofctl -Oopenflow13 dump-flows br0 | ofctl_strip | sort | grep actions
], [0], [dnl
 in_port=4,dl_type=0x894f,nsh_mdtype=1,nsh_spi=0x5678,nsh_c1=0x55667788 actions=decap(),goto_table:1
 ip,in_port=1 actions=group:100
 table=1, packet_type=(1,0x894f),nsh_mdtype=1,nsh_spi=0x5678,nsh_c1=0x55667788 actions=decap(),goto_table:2
 table=2, packet_type=(1,0x894f),nsh_mdtype=1,nsh_spi=0x1234,nsh_c1=0x11223344 actions=decap(),output:2
])

# TODO:
# The fields nw_proto, nw_tos, nw_ecn, nw_ttl in final flow seem unnecessary. Can they be avoided?
# The match on dl_dst=66:77:88:99:aa:bb in the Megaflow is a side effect of setting the dl_dst in the pushed outer
# Ethernet header. It is a consequence of using wc->masks both for tracking matched and set bits and seems hard to
# avoid except by using separate masks for both purposes.

AT_CHECK([
    ovs-appctl ofproto/trace br0 'in_port=1,icmp,dl_src=00:11:22:33:44:55,dl_dst=66:77:88:99:aa:bb,nw_dst=10.10.10.10,nw_src=20.20.20.20'
], [0], [dnl
Flow: icmp,in_port=1,vlan_tci=0x0000,dl_src=00:11:22:33:44:55,dl_dst=66:77:88:99:aa:bb,nw_src=20.20.20.20,nw_dst=10.10.10.10,nw_tos=0,nw_ecn=0,nw_ttl=0,nw_frag=no,icmp_type=0,icmp_code=0

bridge("br0")
-------------
 0. ip,in_port=1, priority 32768
    group:100
    bucket 0
            encap(nsh(md_type=1))
            set_field:0x1234->nsh_spi
            set_field:0x11223344->nsh_c1
            group:200
            bucket 0
                    encap(nsh(md_type=1))
                    set_field:0x5678->nsh_spi
                    set_field:0x55667788->nsh_c1
                    group:300
                    bucket 0
                            encap(ethernet)
                            set_field:11:22:33:44:55:66->eth_dst
                            output:3

                        bridge("br0")
                        -------------
                         0. in_port=4,dl_type=0x894f,nsh_mdtype=1,nsh_spi=0x5678,nsh_c1=0x55667788, priority 32768
                            decap()
                            goto_table:1
                         1. packet_type=(1,0x894f),nsh_mdtype=1,nsh_spi=0x5678,nsh_c1=0x55667788, priority 32768
                            decap()

Final flow: unchanged
Megaflow: recirc_id=0,eth,ip,in_port=1,dl_dst=66:77:88:99:aa:bb,nw_frag=no
Datapath actions: push_nsh(flags=0,ttl=63,mdtype=1,np=3,spi=0x1234,si=255,c1=0x11223344,c2=0x0,c3=0x0,c4=0x0),push_nsh(flags=0,ttl=63,mdtype=1,np=4,spi=0x5678,si=255,c1=0x55667788,c2=0x0,c3=0x0,c4=0x0),push_eth(src=00:00:00:00:00:00,dst=11:22:33:44:55:66),pop_eth,pop_nsh(),recirc(0x1)
])

AT_CHECK([
    ovs-appctl ofproto/trace br0 'recirc_id=1,in_port=4,packet_type=(1,0x894f),nsh_mdtype=1,nsh_np=3,nsh_spi=0x1234,nsh_c1=0x11223344'
], [0], [dnl
Flow: recirc_id=0x1,packet_type=(1,0x894f),in_port=4

bridge("br0")
-------------
    thaw
            Resuming from table 0
        Restoring actions: resubmit(,2)
    resubmit(,2)
 2. packet_type=(1,0x894f),nsh_mdtype=1,nsh_spi=0x1234,nsh_c1=0x11223344, priority 32768
    decap()

Final flow: recirc_id=0x1,eth,in_port=4,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=00:00:00:00:00:00,dl_type=0x0000
Megaflow: recirc_id=0x1,packet_type=(1,0x894f),in_port=4,dl_type=0x894f,nsh_mdtype=1,nsh_np=3,nsh_spi=0x1234,nsh_c1=0x11223344
Datapath actions: pop_nsh(),recirc(0x2)
])

AT_CHECK([
    ovs-appctl ofproto/trace br0 'recirc_id=2,in_port=4,ip'
], [0], [dnl
Flow: recirc_id=0x2,eth,ip,in_port=4,vlan_tci=0x0000,dl_src=00:00:00:00:00:00,dl_dst=00:00:00:00:00:00,nw_src=0.0.0.0,nw_dst=0.0.0.0,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=0,nw_frag=no

bridge("br0")
-------------
    thaw
            Resuming from table 0
        Restoring actions: unroll_xlate(table=2, cookie=0),output:2
    unroll_xlate(table=2, cookie=0)
    restored state: table=2, cookie=0
    output:2

Final flow: unchanged
Megaflow: recirc_id=0x2,eth,ip,in_port=4,nw_frag=no
Datapath actions: 2
])

# Now send two real ICMP echo request packets in on port p1

AT_CHECK([
    ovs-appctl netdev-dummy/receive p1 1e2ce92a669e3a6dd2099cab0800450000548a53400040011addc0a80a0ac0a80a1e08006f200a4d0001fc509a58000000002715020000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637
    ovs-appctl netdev-dummy/receive p1 1e2ce92a669e3a6dd2099cab0800450000548a83400040011aadc0a80a0ac0a80a1e0800b7170a4d0002fd509a5800000000de1c020000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637
], [0], [ignore])

ovs-appctl time/warp 1000

# A packet count of 1 in the megaflow entries means the first packet was processed by
# the ofproto slow path and the second successfully by the datapath flow entry.

AT_CHECK([
    ovs-appctl dpctl/dump-flows dummy@ovs-dummy | strip_used | grep -v ipv6 | sort
], [0], [flow-dump from the main thread:
recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth(dst=1e:2c:e9:2a:66:9e),eth_type(0x0800),ipv4(frag=no), packets:1, bytes:98, used:0.0s, actions:push_nsh(flags=0,ttl=63,mdtype=1,np=3,spi=0x1234,si=255,c1=0x11223344,c2=0x0,c3=0x0,c4=0x0),push_nsh(flags=0,ttl=63,mdtype=1,np=4,spi=0x5678,si=255,c1=0x55667788,c2=0x0,c3=0x0,c4=0x0),push_eth(src=00:00:00:00:00:00,dst=11:22:33:44:55:66),pop_eth,pop_nsh(),recirc(0x3)
recirc_id(0x3),in_port(1),packet_type(ns=1,id=0x894f),eth_type(0x894f),nsh(mdtype=1,np=3,spi=0x1234,c1=0x11223344), packets:1, bytes:122, used:0.0s, actions:pop_nsh(),recirc(0x4)
recirc_id(0x4),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(frag=no), packets:1, bytes:98, used:0.0s, actions:2
])

OVS_VSWITCHD_STOP
AT_CLEANUP


### -----------------------------------------------------------------
###   Triangle bridge setup with VXLAN-GPE tunnels
### -----------------------------------------------------------------

########################
# VxLAN-gpe + NSH tunneling test setup for PTAP bridge
#
#     192.168.10.10           192.168.10.20             192.168.10.30
#          n1                       n2                        n3
#          |ovs-n1                  |ovs-n2                   |ovs-n3
#   +------o------+          +------o------+           +------o------+
#   |    br-in1   |          |    br-in2   |           |    br-in3   |
#   |    (PTAP)   |          |    (PTAP)   |           |    (PTAP)   |
#   +------o------+          +------o------+           +------o------+
#      vxlan-gpe                vxlan-gpe                 vxlan-gpe
#   10.0.0.1                (10.0.0.2)                (10.0.0.3)
#  (20.0.0.1)                20.0.0.2                 (20.0.0.3)
#  (30.0.0.1) LOCAL         (30.0.0.2) LOCAL           30.0.0.3  LOCAL
#   +-----------o-+          +-----------o-+           +-----------o-+
#   |    br-p1    |          |    br-p2    |           |    br-p3    |
#   +------o------+          +------o------+           +------o------+
#     p1-0 |                        | p2-0                    | p3-0
#     p0-1 |                        | p0-2                    | p0-3
#       +--o------------------------o-------------------------o--+
#       |                          br0                           |
#       +--------------------------------------------------------+
#
#   VxLAN-gpe tunnel ports:
#
#   No     Bridge    Name             Packet-type Remote bridge & ports
#   -----------------------------------------------------------------------
#   1020   br-in1    vxlangpe12       ptap        br-in2 2010 (ptap)
#   1030   br-in1    vxlangpe13       ptap        br-in3 3010 (ptap)
#   2010   br-in2    vxlangpe21       ptap        br-in1 1020 (ptap)
#   2030   br-in2    vxlangpe13       ptap        br-in3 3020 (ptap)
#   3010   br-in1    vxlangpe31       ptap        br-in1 1030 (ptap)
#   3020   br-in1    vxlangpe32       ptap        br-in2 2010 (ptap)

AT_SETUP([nsh - triangle PTAP bridge setup with NSH over vxlan-gpe])

OVS_VSWITCHD_START([])

HWADDR_BRP1=aa:55:00:00:00:01
HWADDR_BRP2=aa:55:00:00:00:02
HWADDR_BRP3=aa:55:00:00:00:03

# Setup bridge infrastructure
AT_CHECK([
    ovs-vsctl add-br br-in1 -- \
        set bridge br-in1 datapath_type=dummy fail-mode=standalone
    ovs-vsctl add-br br-in2 -- \
        set bridge br-in2 datapath_type=dummy fail-mode=standalone
    ovs-vsctl add-br br-in3 -- \
        set bridge br-in3 datapath_type=dummy fail-mode=standalone
    ovs-vsctl add-br br-p1 -- \
        set bridge br-p1 datapath_type=dummy fail-mode=standalone other-config:hwaddr=$HWADDR_BRP1
    ovs-vsctl add-br br-p2 -- \
        set bridge br-p2 datapath_type=dummy fail-mode=standalone other-config:hwaddr=$HWADDR_BRP2
    ovs-vsctl add-br br-p3 -- \
        set bridge br-p3 datapath_type=dummy fail-mode=standalone other-config:hwaddr=$HWADDR_BRP3

    ovs-vsctl add-port br-p1 p1-0 -- set interface p1-0 type=patch options:peer=p0-1 ofport_request=2
    ovs-vsctl add-port br-p2 p2-0 -- set interface p2-0 type=patch options:peer=p0-2 ofport_request=2
    ovs-vsctl add-port br-p3 p3-0 -- set interface p3-0 type=patch options:peer=p0-3 ofport_request=2
    ovs-vsctl add-port br0 p0-1 -- set interface p0-1 type=patch options:peer=p1-0 ofport_request=10
    ovs-vsctl add-port br0 p0-2 -- set interface p0-2 type=patch options:peer=p2-0 ofport_request=20
    ovs-vsctl add-port br0 p0-3 -- set interface p0-3 type=patch options:peer=p3-0 ofport_request=30

    # Populate the MAC table of br0
    ovs-ofctl del-flows br0
    ovs-ofctl add-flow br0 dl_dst=$HWADDR_BRP1,actions=10
    ovs-ofctl add-flow br0 dl_dst=$HWADDR_BRP2,actions=20
    ovs-ofctl add-flow br0 dl_dst=$HWADDR_BRP3,actions=30

    ovs-ofctl del-flows br-in1
    ovs-ofctl del-flows br-in2
    ovs-ofctl del-flows br-in3
    ovs-ofctl del-flows br-p1
    ovs-ofctl del-flows br-p2
    ovs-ofctl del-flows br-p3
], [0])

### Setup vxlan-gpe tunnels
AT_CHECK([
    ovs-vsctl add-port br-in1 vxlangpe12 -- \
        set interface vxlangpe12 type=vxlan options:exts=gpe options:remote_ip=10.0.0.2 options:packet_type=ptap ofport_request=1020
    ovs-vsctl add-port br-in1 vxlangpe13 -- \
        set interface vxlangpe13 type=vxlan options:exts=gpe options:remote_ip=10.0.0.3 options:packet_type=ptap ofport_request=1030

    ovs-vsctl add-port br-in2 vxlangpe21 -- \
        set interface vxlangpe21 type=vxlan options:exts=gpe options:remote_ip=20.0.0.1 options:packet_type=ptap ofport_request=2010
    ovs-vsctl add-port br-in2 vxlangpe23 -- \
        set interface vxlangpe23 type=vxlan options:exts=gpe options:remote_ip=20.0.0.3 options:packet_type=ptap ofport_request=2030

    ovs-vsctl add-port br-in3 vxlangpe31 -- \
        set interface vxlangpe31 type=vxlan options:exts=gpe options:remote_ip=30.0.0.1 options:packet_type=ptap ofport_request=3010
    ovs-vsctl add-port br-in3 vxlangpe32 -- \
        set interface vxlangpe32 type=vxlan options:exts=gpe options:remote_ip=30.0.0.2 options:packet_type=ptap ofport_request=3020

    ovs-appctl netdev-dummy/ip4addr br-p1 10.0.0.1/24
    ovs-appctl ovs/route/add 10.0.0.0/24 br-p1
    ovs-appctl tnl/arp/set br-p1 10.0.0.1 $HWADDR_BRP1
    ovs-appctl tnl/arp/set br-p1 10.0.0.2 $HWADDR_BRP2
    ovs-appctl tnl/arp/set br-p1 10.0.0.3 $HWADDR_BRP3

    ovs-appctl netdev-dummy/ip4addr br-p2 20.0.0.2/24
    ovs-appctl ovs/route/add 20.0.0.0/24 br-p2
    ovs-appctl tnl/arp/set br-p2 20.0.0.1 $HWADDR_BRP1
    ovs-appctl tnl/arp/set br-p2 20.0.0.2 $HWADDR_BRP2
    ovs-appctl tnl/arp/set br-p2 20.0.0.3 $HWADDR_BRP3

    ovs-appctl netdev-dummy/ip4addr br-p3 30.0.0.3/24
    ovs-appctl ovs/route/add 30.0.0.0/24 br-p3
    ovs-appctl tnl/arp/set br-p3 30.0.0.1 $HWADDR_BRP1
    ovs-appctl tnl/arp/set br-p3 30.0.0.2 $HWADDR_BRP2
    ovs-appctl tnl/arp/set br-p3 30.0.0.3 $HWADDR_BRP3
], [0], [stdout])

AT_CHECK([
    ovs-appctl ovs/route/add 10.0.0.0/24 br-p1
    ovs-appctl tnl/arp/set br-p1 10.0.0.1 $HWADDR_BRP1
    ovs-appctl tnl/arp/set br-p1 10.0.0.2 $HWADDR_BRP2
    ovs-appctl tnl/arp/set br-p1 10.0.0.3 $HWADDR_BRP3
], [0], [stdout])

AT_CHECK([
    ovs-appctl ovs/route/add 20.0.0.0/24 br-p2
    ovs-appctl tnl/arp/set br-p2 20.0.0.1 $HWADDR_BRP1
    ovs-appctl tnl/arp/set br-p2 20.0.0.2 $HWADDR_BRP2
    ovs-appctl tnl/arp/set br-p2 20.0.0.3 $HWADDR_BRP3
], [0], [stdout])

AT_CHECK([
    ovs-appctl ovs/route/add 30.0.0.0/24 br-p3
    ovs-appctl tnl/arp/set br-p3 30.0.0.1 $HWADDR_BRP1
    ovs-appctl tnl/arp/set br-p3 30.0.0.2 $HWADDR_BRP2
    ovs-appctl tnl/arp/set br-p3 30.0.0.3 $HWADDR_BRP3
], [0], [stdout])

AT_CHECK([
    ovs-appctl ovs/route/show | grep User:
], [0], [dnl
User: 10.0.0.0/24 dev br-p1 SRC 10.0.0.1
User: 20.0.0.0/24 dev br-p2 SRC 20.0.0.2
User: 30.0.0.0/24 dev br-p3 SRC 30.0.0.3
])

AT_CHECK([
    ovs-appctl tnl/neigh/show | grep br-p | sort
], [0], [stdout])


### Flows in br-p<x>to twist TEP IP addresses in tunnel IP headers
AT_CHECK([
    ovs-ofctl add-flow br-p1 in_port:LOCAL,actions=2
    ovs-ofctl add-flow br-p1 in_port:2,ip,nw_dst:20.0.0.1,actions=mod_nw_dst:10.0.0.1,mod_nw_src:10.0.0.2,LOCAL
    ovs-ofctl add-flow br-p1 in_port:2,ip,nw_dst:30.0.0.1,actions=mod_nw_dst:10.0.0.1,mod_nw_src:10.0.0.3,LOCAL

    ovs-ofctl add-flow br-p2 in_port:LOCAL,actions=2
    ovs-ofctl add-flow br-p2 in_port:2,ip,nw_dst:10.0.0.2,actions=mod_nw_dst:20.0.0.2,mod_nw_src:20.0.0.1,LOCAL
    ovs-ofctl add-flow br-p2 in_port:2,ip,nw_dst:30.0.0.2,actions=mod_nw_dst:20.0.0.2,mod_nw_src:20.0.0.3,LOCAL

    ovs-ofctl add-flow br-p3 in_port:LOCAL,actions=2
    ovs-ofctl add-flow br-p3 in_port:2,ip,nw_dst:10.0.0.3,actions=mod_nw_dst:30.0.0.3,mod_nw_src:30.0.0.1,LOCAL
    ovs-ofctl add-flow br-p3 in_port:2,ip,nw_dst:20.0.0.3,actions=mod_nw_dst:30.0.0.3,mod_nw_src:30.0.0.2,LOCAL
], [0])

AT_CHECK([
    ovs-ofctl dump-flows br-p1 | ofctl_strip | sort | grep actions
    ovs-ofctl dump-flows br-p2 | ofctl_strip | sort | grep actions
    ovs-ofctl dump-flows br-p3 | ofctl_strip | sort | grep actions
], [0], [dnl
 in_port=LOCAL actions=output:2
 ip,in_port=2,nw_dst=20.0.0.1 actions=mod_nw_dst:10.0.0.1,mod_nw_src:10.0.0.2,LOCAL
 ip,in_port=2,nw_dst=30.0.0.1 actions=mod_nw_dst:10.0.0.1,mod_nw_src:10.0.0.3,LOCAL
 in_port=LOCAL actions=output:2
 ip,in_port=2,nw_dst=10.0.0.2 actions=mod_nw_dst:20.0.0.2,mod_nw_src:20.0.0.1,LOCAL
 ip,in_port=2,nw_dst=30.0.0.2 actions=mod_nw_dst:20.0.0.2,mod_nw_src:20.0.0.3,LOCAL
 in_port=LOCAL actions=output:2
 ip,in_port=2,nw_dst=10.0.0.3 actions=mod_nw_dst:30.0.0.3,mod_nw_src:30.0.0.1,LOCAL
 ip,in_port=2,nw_dst=20.0.0.3 actions=mod_nw_dst:30.0.0.3,mod_nw_src:30.0.0.2,LOCAL
])

### Setup test ports for traffic injection
N1_IP=192.168.10.10
N2_IP=192.168.10.20
N3_IP=192.168.10.30
N1_MAC=aa:55:aa:55:00:01
N2_MAC=aa:55:aa:55:00:02
N3_MAC=aa:55:aa:55:00:03
N1_OFPORT=10
N2_OFPORT=20
N3_OFPORT=30

AT_CHECK([
    ovs-vsctl add-port br-in1 n1 -- \
        set interface n1 type=dummy ofport_request=$N1_OFPORT options:tx_pcap=n1.pcap
    ovs-vsctl add-port br-in2 n2 -- \
        set interface n2 type=dummy ofport_request=$N2_OFPORT options:tx_pcap=n2.pcap
    ovs-vsctl add-port br-in3 n3 -- \
        set interface n3 type=dummy ofport_request=$N3_OFPORT options:tx_pcap=n3.pcap
], [0])

#N1_DPPORT=$(ovs-appctl dpif/show | grep "n1 10" | sed 's|.*/\([[0-9]]*\):.*|\1|')
#N2_DPPORT=$(ovs-appctl dpif/show | grep "n2 20" | sed 's|.*/\([[0-9]]*\):.*|\1|')
#N3_DPPORT=$(ovs-appctl dpif/show | grep "n3 30" | sed 's|.*/\([[0-9]]*\):.*|\1|')

### Verify datapath configuration
AT_CHECK([ovs-appctl dpif/show | grep -v hit], [0], [dnl
  br-in1:
    br-in1 65534/101: (dummy-internal)
    n1 10/4: (dummy)
    vxlangpe12 1020/4789: (vxlan: packet_type=ptap, remote_ip=10.0.0.2)
    vxlangpe13 1030/4789: (vxlan: packet_type=ptap, remote_ip=10.0.0.3)
  br-in2:
    br-in2 65534/102: (dummy-internal)
    n2 20/5: (dummy)
    vxlangpe21 2010/4789: (vxlan: packet_type=ptap, remote_ip=20.0.0.1)
    vxlangpe23 2030/4789: (vxlan: packet_type=ptap, remote_ip=20.0.0.3)
  br-in3:
    br-in3 65534/103: (dummy-internal)
    n3 30/6: (dummy)
    vxlangpe31 3010/4789: (vxlan: packet_type=ptap, remote_ip=30.0.0.1)
    vxlangpe32 3020/4789: (vxlan: packet_type=ptap, remote_ip=30.0.0.2)
  br-p1:
    br-p1 65534/1: (dummy-internal)
    p1-0 2/none: (patch: peer=p0-1)
  br-p2:
    br-p2 65534/2: (dummy-internal)
    p2-0 2/none: (patch: peer=p0-2)
  br-p3:
    br-p3 65534/3: (dummy-internal)
    p3-0 2/none: (patch: peer=p0-3)
  br0:
    br0 65534/100: (dummy-internal)
    p0-1 10/none: (patch: peer=p1-0)
    p0-2 20/none: (patch: peer=p2-0)
    p0-3 30/none: (patch: peer=p3-0)
])

### Setup SFC flow configuration

# br-in1 is SFC classifier (table 1) and final SFF (tables 2,3)
AT_DATA([br-in1.txt], [dnl
    table=0,in_port=10,ip,actions=decap(),goto_table:1
    table=0,in_port=10,packet_type=(1,0x800),actions=goto_table:1
    table=0,in_port=1020,packet_type=(1,0x894f),actions=goto_table:2
    table=0,in_port=1030,packet_type=(1,0x894f),actions=goto_table:2
    table=1,priority=32,packet_type=(1,0x800),nw_dst=192.168.10.30,actions=encap(nsh(md_type=1)),set_field:0x3000->nsh_spi,output:1030
    table=1,priority=0,packet_type=(1,0x800),nw_dst=0.0.0.0/0,actions=encap(nsh(md_type=1)),set_field:0x3020->nsh_spi,output:1020
    table=2,packet_type=(1,0x894f),nsh_spi=0x1000,nsh_si=255,actions=decap(),goto_table:3
    table=2,packet_type=(1,0x894f),nsh_spi=0x1020,nsh_si=254,actions=decap(),goto_table:3
    table=3,ip,actions=set_field:aa:55:aa:55:00:01->dl_dst,output:10
    table=3,packet_type=(1,0x800),actions=encap(ethernet),set_field:aa:55:aa:55:00:01->dl_dst,output:10
])

# br-in2 is intermediate SFF (table 2) and simulated SF (table 4)
AT_DATA([br-in2.txt], [dnl
    table=0,in_port=2010,packet_type=(1,0x894f),actions=goto_table:2
    table=0,in_port=2030,packet_type=(1,0x894f),actions=goto_table:2
    table=2,packet_type=(1,0x894f),nsh_spi=0x3020,nsh_si=255,actions=encap(ethernet),set_field:11:22:33:44:55:66->dl_dst,goto_table:4
    table=2,packet_type=(1,0x894f),nsh_spi=0x3020,nsh_si=254,actions=output:2030
    table=2,packet_type=(1,0x894f),nsh_spi=0x1020,nsh_si=255,actions=encap(ethernet),set_field:77:88:99:aa:bb:cc->dl_dst,goto_table:4
    table=2,packet_type=(1,0x894f),nsh_spi=0x1020,nsh_si=254,actions=output:2010
    table=4,dl_type=0x894f,dl_dst=11:22:33:44:55:66,actions=set_field:254->nsh_si,decap(),resubmit(,2)
    table=4,dl_type=0x894f,dl_dst=77:88:99:aa:bb:cc,actions=dec_nsh_ttl,decap(),resubmit(,2)
])

# br-in3 is SFC classifier (table 1) and final SFF (tables 2,3)
AT_DATA([br-in3.txt], [dnl
    table=0,in_port=30,ip,actions=decap(),goto_table:1
    table=0,in_port=30,packet_type=(1,0x800),actions=goto_table:1
    table=0,in_port=3010,packet_type=(1,0x894f),actions=goto_table:2
    table=0,in_port=3020,packet_type=(1,0x894f),actions=goto_table:2
    table=1,priority=32,packet_type=(1,0x800),nw_dst=192.168.10.10,actions=encap(nsh(md_type=1)),set_field:0x1000->nsh_spi,3010
    table=1,priority=0,packet_type=(1,0x800),nw_dst=0.0.0.0/0,actions=encap(nsh(md_type=1)),set_field:0x1020->nsh_spi,3020
    table=2,packet_type=(1,0x894f),nsh_spi=0x3000,nsh_si=255,actions=decap(),goto_table:3
    table=2,packet_type=(1,0x894f),nsh_spi=0x3020,nsh_si=254,actions=decap(),goto_table:3
    table=3,ip,actions=set_field:aa:55:aa:55:00:03->dl_dst,output:30
    table=3,packet_type=(1,0x800),actions=encap(ethernet),set_field:aa:55:aa:55:00:03->dl_dst,output:30
])

AT_CHECK([
    ovs-ofctl -Oopenflow13 add-flows br-in1 br-in1.txt
    ovs-ofctl -Oopenflow13 add-flows br-in2 br-in2.txt
    ovs-ofctl -Oopenflow13 add-flows br-in3 br-in3.txt
])

### Inject ICMP Echo request test packets

# N1 to N3, via the direct SF path with spi 0x3000
AT_CHECK([
    ovs-appctl netdev-dummy/receive n1 1e2ce92a669e3a6dd2099cab0800450000548a53400040011addc0a80a0ac0a80a1e08006f200a4d0001fc509a58000000002715020000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637
    ovs-appctl netdev-dummy/receive n1 1e2ce92a669e3a6dd2099cab0800450000548a83400040011aadc0a80a0ac0a80a1e0800b7170a4d0002fd509a5800000000de1c020000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637
], [0], [ignore])

ovs-appctl time/warp 1000
ovs-appctl time/warp 1000
ovs-appctl time/warp 1000

AT_CHECK([
    ovs-appctl dpctl/dump-flows dummy@ovs-dummy | strip_used | grep -v ipv6 | sort
], [0], [flow-dump from the main thread:
recirc_id(0),in_port(4),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(dst=192.168.10.30,frag=no), packets:1, bytes:98, used:0.0s, actions:pop_eth,push_nsh(flags=0,ttl=63,mdtype=1,np=1,spi=0x3000,si=255,c1=0x0,c2=0x0,c3=0x0,c4=0x0),tnl_push(tnl_port(4789),header(size=50,type=4,eth(dst=aa:55:00:00:00:03,src=aa:55:00:00:00:01,dl_type=0x0800),ipv4(src=10.0.0.1,dst=10.0.0.3,proto=17,tos=0,ttl=64,frag=0x4000),udp(src=0,dst=4789,csum=0x0),vxlan(flags=0xc000004,vni=0x0)),out_port(1)),set(ipv4(src=30.0.0.1,dst=30.0.0.3)),tnl_pop(4789)
recirc_id(0),tunnel(tun_id=0x0,src=30.0.0.1,dst=30.0.0.3,flags(-df-csum+key)),in_port(4789),packet_type(ns=1,id=0x894f),eth_type(0x894f),nsh(np=1,spi=0x3000,si=255), packets:1, bytes:108, used:0.0s, actions:pop_nsh(),recirc(0x1)
recirc_id(0x1),tunnel(tun_id=0x0,src=30.0.0.1,dst=30.0.0.3,flags(-df-csum+key)),in_port(4789),packet_type(ns=1,id=0x800),eth_type(0x0800),ipv4(frag=no), packets:1, bytes:84, used:0.0s, actions:push_eth(src=00:00:00:00:00:00,dst=aa:55:aa:55:00:03),6
])

AT_CHECK([
    ovs-ofctl -Oopenflow13 dump-flows br-in1 | ofctl_strip | sort | grep actions
    ovs-ofctl -Oopenflow13 dump-flows br-in2 | ofctl_strip | sort | grep actions
    ovs-ofctl -Oopenflow13 dump-flows br-in3 | ofctl_strip | sort | grep actions
], [0], [dnl
 n_packets=2, n_bytes=196, ip,in_port=10 actions=decap(),goto_table:1
 packet_type=(1,0x800),in_port=10 actions=goto_table:1
 packet_type=(1,0x894f),in_port=1020 actions=goto_table:2
 packet_type=(1,0x894f),in_port=1030 actions=goto_table:2
 table=1, n_packets=2, n_bytes=196, priority=32,packet_type=(1,0x800),nw_dst=192.168.10.30 actions=encap(nsh(md_type=1)),set_field:0x3000->nsh_spi,output:1030
 table=1, priority=0,packet_type=(1,0x800) actions=encap(nsh(md_type=1)),set_field:0x3020->nsh_spi,output:1020
 table=2, packet_type=(1,0x894f),nsh_spi=0x1000,nsh_si=255 actions=decap(),goto_table:3
 table=2, packet_type=(1,0x894f),nsh_spi=0x1020,nsh_si=254 actions=decap(),goto_table:3
 table=3, ip actions=set_field:aa:55:aa:55:00:01->eth_dst,output:10
 table=3, packet_type=(1,0x800) actions=encap(ethernet),set_field:aa:55:aa:55:00:01->eth_dst,output:10
 packet_type=(1,0x894f),in_port=2010 actions=goto_table:2
 packet_type=(1,0x894f),in_port=2030 actions=goto_table:2
 table=2, packet_type=(1,0x894f),nsh_spi=0x1020,nsh_si=254 actions=output:2010
 table=2, packet_type=(1,0x894f),nsh_spi=0x1020,nsh_si=255 actions=encap(ethernet),set_field:77:88:99:aa:bb:cc->eth_dst,goto_table:4
 table=2, packet_type=(1,0x894f),nsh_spi=0x3020,nsh_si=254 actions=output:2030
 table=2, packet_type=(1,0x894f),nsh_spi=0x3020,nsh_si=255 actions=encap(ethernet),set_field:11:22:33:44:55:66->eth_dst,goto_table:4
 table=4, dl_dst=11:22:33:44:55:66,dl_type=0x894f actions=set_field:254->nsh_si,decap(),resubmit(,2)
 table=4, dl_dst=77:88:99:aa:bb:cc,dl_type=0x894f actions=dec_nsh_ttl,decap(),resubmit(,2)
 ip,in_port=30 actions=decap(),goto_table:1
 n_packets=2, n_bytes=216, packet_type=(1,0x894f),in_port=3010 actions=goto_table:2
 packet_type=(1,0x800),in_port=30 actions=goto_table:1
 packet_type=(1,0x894f),in_port=3020 actions=goto_table:2
 table=1, priority=0,packet_type=(1,0x800) actions=encap(nsh(md_type=1)),set_field:0x1020->nsh_spi,output:3020
 table=1, priority=32,packet_type=(1,0x800),nw_dst=192.168.10.10 actions=encap(nsh(md_type=1)),set_field:0x1000->nsh_spi,output:3010
 table=2, n_packets=2, n_bytes=216, packet_type=(1,0x894f),nsh_spi=0x3000,nsh_si=255 actions=decap(),goto_table:3
 table=2, packet_type=(1,0x894f),nsh_spi=0x3020,nsh_si=254 actions=decap(),goto_table:3
 table=3, ip actions=set_field:aa:55:aa:55:00:03->eth_dst,output:30
 table=3, n_packets=2, n_bytes=168, packet_type=(1,0x800) actions=encap(ethernet),set_field:aa:55:aa:55:00:03->eth_dst,output:30
])

# Clear up megaflow cache
ovs-appctl time/warp 11000

# N1 to some other IP destination (192.168.10.20), via the indirect SF path with spi 0x3020
AT_CHECK([
    ovs-appctl netdev-dummy/receive n1 461e7d1a95a13a6dd2099cab080045000054500b40004001552fc0a80a0ac0a80a140800531f09a90001e9509a580000000055ba030000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637
    ovs-appctl netdev-dummy/receive n1 461e7d1a95a13a6dd2099cab08004500005450934000400154a7c0a80a0ac0a80a140800f41d09a90002ea509a5800000000b3ba030000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637], [0], [ignore])

ovs-appctl time/warp 1000
ovs-appctl time/warp 1000

AT_CHECK([
    ovs-appctl dpctl/dump-flows dummy@ovs-dummy | strip_used | grep -v ipv6 | sort
], [0], [flow-dump from the main thread:
recirc_id(0),in_port(4),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(dst=192.168.10.20/255.255.255.248,frag=no), packets:1, bytes:98, used:0.0s, actions:pop_eth,push_nsh(flags=0,ttl=63,mdtype=1,np=1,spi=0x3020,si=255,c1=0x0,c2=0x0,c3=0x0,c4=0x0),tnl_push(tnl_port(4789),header(size=50,type=4,eth(dst=aa:55:00:00:00:02,src=aa:55:00:00:00:01,dl_type=0x0800),ipv4(src=10.0.0.1,dst=10.0.0.2,proto=17,tos=0,ttl=64,frag=0x4000),udp(src=0,dst=4789,csum=0x0),vxlan(flags=0xc000004,vni=0x0)),out_port(1)),set(ipv4(src=20.0.0.1,dst=20.0.0.2)),tnl_pop(4789)
recirc_id(0),tunnel(tun_id=0x0,src=20.0.0.1,dst=20.0.0.2,flags(-df-csum+key)),in_port(4789),packet_type(ns=1,id=0x894f),eth_type(0x894f),nsh(spi=0x3020,si=255), packets:1, bytes:108, used:0.0s, actions:push_eth(src=00:00:00:00:00:00,dst=11:22:33:44:55:66),set(nsh(spi=0x3020,si=254)),pop_eth,tnl_push(tnl_port(4789),header(size=50,type=4,eth(dst=aa:55:00:00:00:03,src=aa:55:00:00:00:02,dl_type=0x0800),ipv4(src=20.0.0.2,dst=20.0.0.3,proto=17,tos=0,ttl=64,frag=0x4000),udp(src=0,dst=4789,csum=0x0),vxlan(flags=0xc000004,vni=0x0)),out_port(2)),set(ipv4(src=30.0.0.2,dst=30.0.0.3)),tnl_pop(4789)
recirc_id(0),tunnel(tun_id=0x0,src=30.0.0.2,dst=30.0.0.3,flags(-df-csum+key)),in_port(4789),packet_type(ns=1,id=0x894f),eth_type(0x894f),nsh(np=1,spi=0x3020,si=254), packets:1, bytes:108, used:0.0s, actions:pop_nsh(),recirc(0x2)
recirc_id(0x2),tunnel(tun_id=0x0,src=30.0.0.2,dst=30.0.0.3,flags(-df-csum+key)),in_port(4789),packet_type(ns=1,id=0x800),eth_type(0x0800),ipv4(frag=no), packets:1, bytes:84, used:0.0s, actions:push_eth(src=00:00:00:00:00:00,dst=aa:55:aa:55:00:03),6
])

AT_CHECK([
    ovs-ofctl -Oopenflow13 dump-flows br-in1 | ofctl_strip | sort | grep actions
    ovs-ofctl -Oopenflow13 dump-flows br-in2 | ofctl_strip | sort | grep actions
    ovs-ofctl -Oopenflow13 dump-flows br-in3 | ofctl_strip | sort | grep actions
], [0], [dnl
 n_packets=4, n_bytes=392, ip,in_port=10 actions=decap(),goto_table:1
 packet_type=(1,0x800),in_port=10 actions=goto_table:1
 packet_type=(1,0x894f),in_port=1020 actions=goto_table:2
 packet_type=(1,0x894f),in_port=1030 actions=goto_table:2
 table=1, n_packets=2, n_bytes=196, priority=0,packet_type=(1,0x800) actions=encap(nsh(md_type=1)),set_field:0x3020->nsh_spi,output:1020
 table=1, n_packets=2, n_bytes=196, priority=32,packet_type=(1,0x800),nw_dst=192.168.10.30 actions=encap(nsh(md_type=1)),set_field:0x3000->nsh_spi,output:1030
 table=2, packet_type=(1,0x894f),nsh_spi=0x1000,nsh_si=255 actions=decap(),goto_table:3
 table=2, packet_type=(1,0x894f),nsh_spi=0x1020,nsh_si=254 actions=decap(),goto_table:3
 table=3, ip actions=set_field:aa:55:aa:55:00:01->eth_dst,output:10
 table=3, packet_type=(1,0x800) actions=encap(ethernet),set_field:aa:55:aa:55:00:01->eth_dst,output:10
 n_packets=2, n_bytes=216, packet_type=(1,0x894f),in_port=2010 actions=goto_table:2
 packet_type=(1,0x894f),in_port=2030 actions=goto_table:2
 table=2, n_packets=2, n_bytes=216, packet_type=(1,0x894f),nsh_spi=0x3020,nsh_si=254 actions=output:2030
 table=2, n_packets=2, n_bytes=216, packet_type=(1,0x894f),nsh_spi=0x3020,nsh_si=255 actions=encap(ethernet),set_field:11:22:33:44:55:66->eth_dst,goto_table:4
 table=2, packet_type=(1,0x894f),nsh_spi=0x1020,nsh_si=254 actions=output:2010
 table=2, packet_type=(1,0x894f),nsh_spi=0x1020,nsh_si=255 actions=encap(ethernet),set_field:77:88:99:aa:bb:cc->eth_dst,goto_table:4
 table=4, dl_dst=77:88:99:aa:bb:cc,dl_type=0x894f actions=dec_nsh_ttl,decap(),resubmit(,2)
 table=4, n_packets=2, n_bytes=216, dl_dst=11:22:33:44:55:66,dl_type=0x894f actions=set_field:254->nsh_si,decap(),resubmit(,2)
 ip,in_port=30 actions=decap(),goto_table:1
 n_packets=2, n_bytes=216, packet_type=(1,0x894f),in_port=3010 actions=goto_table:2
 n_packets=2, n_bytes=216, packet_type=(1,0x894f),in_port=3020 actions=goto_table:2
 packet_type=(1,0x800),in_port=30 actions=goto_table:1
 table=1, priority=0,packet_type=(1,0x800) actions=encap(nsh(md_type=1)),set_field:0x1020->nsh_spi,output:3020
 table=1, priority=32,packet_type=(1,0x800),nw_dst=192.168.10.10 actions=encap(nsh(md_type=1)),set_field:0x1000->nsh_spi,output:3010
 table=2, n_packets=2, n_bytes=216, packet_type=(1,0x894f),nsh_spi=0x3000,nsh_si=255 actions=decap(),goto_table:3
 table=2, n_packets=2, n_bytes=216, packet_type=(1,0x894f),nsh_spi=0x3020,nsh_si=254 actions=decap(),goto_table:3
 table=3, ip actions=set_field:aa:55:aa:55:00:03->eth_dst,output:30
 table=3, n_packets=4, n_bytes=336, packet_type=(1,0x800) actions=encap(ethernet),set_field:aa:55:aa:55:00:03->eth_dst,output:30
])

OVS_VSWITCHD_STOP
AT_CLEANUP