Introduce a new test that doesn't setup native erspan v1 tunnels but sends simulated raw packets. This test is supposed to only run for kernel version from 4.4.x to 4.15.x.
Signed-off-by: Yifeng Sun <[email protected]> --- tests/system-traffic.at | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/tests/system-traffic.at b/tests/system-traffic.at index dca2bc8..44669f8 100644 --- a/tests/system-traffic.at +++ b/tests/system-traffic.at @@ -622,6 +622,54 @@ AT_CHECK([tcpdump -xx -r p0.pcap 2>&1 | egrep "IP 172.31.1.100 > 172.31.1.1: GRE OVS_TRAFFIC_VSWITCHD_STOP AT_CLEANUP +AT_SETUP([datapath - ping over erspan v1 tunnel by simulated packets]) +OVS_CHECK_KERNEL(4, 4, 15) + +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]) + +ip netns exec at_ns0 tcpdump -U -i p0 -w 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" + +sleep 1 +dnl 0002 is arp reply, followed by mac address of 10.1.1.100. +AT_CHECK([tcpdump -xx -r p0.pcap 2>&1 | egrep "f2ff 0000 0001 0806" 2>&1 1>/dev/null]) +AT_CHECK([tcpdump -xx -r p0.pcap 2>&1 | egrep "0800 0604 0002 f2ff 0000 0001 0a01" 2>&1 1>/dev/null]) + +dnl Okay, now check the overlay with raw icmp packets. +AT_FAIL_IF([tcpdump -xx -r p0.pcap 2>&1 | egrep "IP 172.31.1.100 > 172.31.1.1: GREv0, .* length 1258" 2>&1 1>/dev/null]) + +ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=f2ff00000002f2ff0000000308004500008e70cb4000402f6ed2ac1f0101ac1f0164100088be000000051000000100000007f2ff00000001f2ff0000000408004500005c4a3340004001da070a0101010a010164080084f238fb0001f36a6b5b0000000021870e0000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f actions=normal" + +sleep 1 +AT_CHECK([tcpdump -xx -r p0.pcap 2>&1 | 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 - clone action]) OVS_TRAFFIC_VSWITCHD_START() -- 2.7.4 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
