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AT_BANNER([layer3-tunnels])
AT_SETUP([layer3 - ping over VXLAN-GPE])
OVS_TRAFFIC_VSWITCHD_START([set Bridge br0 other-config:hwaddr="00:12:34:56:78:bb"])
OVS_CHECK_VXLAN_GPE()
OVS_CHECK_IPROUTE_ENCAP()
ADD_BR([br-underlay])
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], [10.1.1.2/24],
[options:packet_type=legacy_l3 options:exts=gpe])
AT_CHECK([ip neigh add 10.1.1.1 lladdr 00:12:34:56:78:aa dev br0])
NS_CHECK_EXEC([at_ns0], [ip link add dev at_vxlan1 type vxlan dstport 4789 external gpe])
NS_CHECK_EXEC([at_ns0], [ip addr add dev at_vxlan1 10.1.1.1/24])
NS_CHECK_EXEC([at_ns0], [ip link set dev at_vxlan1 mtu 1450 up])
NS_CHECK_EXEC([at_ns0], [ip route add 10.1.1.2/32 encap ip id 0 dst 172.31.1.100 dev at_vxlan1])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])
dnl Now add rules for OVS to forward to the tunnel and local port
AT_CHECK([ovs-ofctl add-flow br0 "priority=1 action=drop"])
AT_CHECK([ovs-ofctl add-flow br0 "priority=100 ip,nw_dst=10.1.1.1 action=output:at_vxlan0"])
AT_CHECK([ovs-ofctl add-flow br0 "priority=100 ip,nw_dst=10.1.1.2 action=mod_dl_src:00:12:34:56:78:aa,mod_dl_dst:00:12:34:56:78:bb,local"])
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.1.1.2])
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], [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 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([layer3 - ping over GRE])
OVS_TRAFFIC_VSWITCHD_START([set Bridge br0 other-config:hwaddr="00:12:34:56:78:bb"])
OVS_CHECK_GRE_L3()
OVS_CHECK_IPROUTE_ENCAP()
ADD_BR([br-underlay])
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], [10.1.1.2/24],
[options:packet_type=legacy_l3])
AT_CHECK([ip neigh add 10.1.1.1 lladdr 00:12:34:56:78:aa dev br0])
NS_CHECK_EXEC([at_ns0], [ip link add dev at_gre1 type gre remote 172.31.1.100])
NS_CHECK_EXEC([at_ns0], [ip addr add dev at_gre1 10.1.1.1/24])
NS_CHECK_EXEC([at_ns0], [ip link set dev at_gre1 mtu 1450 up])
NS_CHECK_EXEC([at_ns0], [ip route add 10.1.1.2/32 encap ip id 0 dst 172.31.1.100 dev at_gre1])
AT_CHECK([ovs-ofctl add-flow br-underlay "actions=normal"])
dnl Now add rules for OVS to forward to the tunnel and local port
AT_CHECK([ovs-ofctl add-flow br0 "priority=1 action=drop"])
AT_CHECK([ovs-ofctl add-flow br0 "priority=100 ip,nw_dst=10.1.1.1 action=output:at_gre0"])
AT_CHECK([ovs-ofctl add-flow br0 "priority=100 ip,nw_dst=10.1.1.2 action=mod_dl_src:00:12:34:56:78:aa,mod_dl_dst:00:12:34:56:78:bb,local"])
OVS_WAIT_UNTIL([ip netns exec at_ns0 ping -c 1 10.1.1.2])
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], [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 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
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