[ovs-dev] [PATCH 2/2] system-traffic: Add basic geneve tunnel sanity test.

[Joe Stringer]

Signed-off-by: Joe Stringer <joe at ovn.org>
---
 tests/system-common-macros.at |  4 ++++
 tests/system-traffic.at       | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)

diff --git a/tests/system-common-macros.at b/tests/system-common-macros.at
index 1b9b5c1e9f15..2116f1e31357 100644
--- a/tests/system-common-macros.at
+++ b/tests/system-common-macros.at
@@ -159,3 +159,7 @@ m4_define([OVS_CHECK_VXLAN],
 # OVS_CHECK_GRE()
 m4_define([OVS_CHECK_GRE],
     [AT_SKIP_IF([! ip link add foo type gretap help 2>&1 | grep gre >/dev/null])])
+
+# OVS_CHECK_GENEVE()
+m4_define([OVS_CHECK_GENEVE],
+    [AT_SKIP_IF([! ip link add foo type geneve help 2>&1 | grep geneve >/dev/null])])
diff --git a/tests/system-traffic.at b/tests/system-traffic.at
index 8684a5f06c68..a3d93e92c887 100644
--- a/tests/system-traffic.at
+++ b/tests/system-traffic.at
@@ -188,6 +188,47 @@ NS_CHECK_EXEC([at_ns0], [ping -s 3200 -q -c 3 -i 0.3 -w 2 10.1.1.100 | FORMAT_PI
 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([conntrack - controller])
 CHECK_CONNTRACK()
 OVS_TRAFFIC_VSWITCHD_START()
-- 
2.1.4