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