On Wed, Jul 29, 2015 at 4:52 PM, Joe Stringer <joestrin...@nicira.com> wrote:
> Signed-off-by: Joe Stringer <joestrin...@nicira.com>
> ---
> tests/kmod-macros.at | 20 ++++++++++++++++++++
> tests/kmod-traffic.at | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 69 insertions(+)
>
> diff --git a/tests/kmod-macros.at b/tests/kmod-macros.at
> index 3487c67..be3c123 100644
> --- a/tests/kmod-macros.at
> +++ b/tests/kmod-macros.at
> @@ -87,3 +87,23 @@ m4_define([ADD_VLAN],
> AT_CHECK([ip netns exec $2 ip addr add dev $1.$3 $4])
> ]
> )
> +
> +# ADD_NATIVE_TUNNEL([type], [port], [namespace], [local-addr], [remote-addr],
> +# [overlay-addr], [link-args])
> +#
> +# Add a native tunnel device within 'namespace', with name 'port' and type
> +# 'type'. The tunnel device will be configured as point-to-point with the
> +# 'local-addr' address configured as the underlay address within 'namespace',
> +# and 'remote-addr' as the underlay address of the remote destination (as
> +# viewed from the perspective of that namespace).
> +#
> +# 'port' will be configured with the address 'overlay-addr'. 'link-args' is
> +# made available so that additional arguments can be passed to "ip link",
> +# for instance to configure the vxlan destination port.
> +m4_define([ADD_NATIVE_TUNNEL],
> + [ AT_CHECK([ip netns exec $3 ip link add dev $2 type $1 local $4 remote
> $5 $7])
> + AT_CHECK([ip netns exec $3 ip addr add dev $2 $6])
> + AT_CHECK([ip netns exec $3 ip link set dev $2 up])
> + AT_CHECK([ip netns exec $3 ip link set dev $2 mtu 1450])
> + ]
> +)
> diff --git a/tests/kmod-traffic.at b/tests/kmod-traffic.at
> index 9df8b62..169078d 100644
> --- a/tests/kmod-traffic.at
> +++ b/tests/kmod-traffic.at
> @@ -105,3 +105,52 @@ AT_CHECK([cat ping.output | grep "transmitted" | sed
> 's/time.*ms$/time 0ms/'], [
>
> OVS_KMOD_VSWITCHD_STOP
> AT_CLEANUP
> +
> +AT_SETUP([kmod - ping over vxlan tunnel])
> +AT_SKIP_IF([! ip link help 2>&1 | grep vxlan >/dev/null])
> +
> +OVS_KMOD_VSWITCHD_START(
> + [set-fail-mode br0 standalone --])
> +dnl Ensure that vport_* can be removed on exit.
> +ON_EXIT([modprobe -r vport_vxlan])
> +ON_EXIT([ovs-dpctl del-dp ovs-system])
> +
> +ADD_NAMESPACES(at_ns0)
> +
> +dnl Set up underlay link from host into the namespace using veth pair.
> +AT_CHECK([ip link add p0 type veth peer name host-p0])
> +AT_CHECK([ip addr add dev host-p0 "172.31.1.100/24"])
> +AT_CHECK([ip link set dev host-p0 up])
> +AT_CHECK([ip link set p0 netns at_ns0])
> +AT_CHECK([ip netns exec at_ns0 ip addr add dev p0 "172.31.1.1/24"])
> +AT_CHECK([ip netns exec at_ns0 ip link set dev p0 up])
> +
> +dnl Set up remote end of tunnel inside the namespace.
> +ADD_NATIVE_TUNNEL([vxlan], [at_vxlan1], [at_ns0], [172.31.1.1],
> [172.31.1.100],
> + [10.1.1.1/24], [id 0 dstport 4789])
> +
> +dnl Set up local end of tunnel in default namespace.
> +AT_CHECK([ovs-vsctl add-port br0 vxlan0 -- \
> + set int vxlan0 type=vxlan options:remote_ip=172.31.1.1])
> +AT_CHECK([ip addr add dev br0 10.1.1.100/24])
> +AT_CHECK([ip link set dev br0 up])
> +AT_CHECK([ip link set dev br0 mtu 1450])
> +
> +AT_CAPTURE_FILE([ping.output])
> +dnl First, check the underlay
> +AT_CHECK([ip netns exec at_ns0 bash -c "ping -q -c 3 -i 0.3 -w 2
> 172.31.1.100 > ping.output"])
> +
> +dnl Okay, now check the overlay with different packet sizes
> +AT_CHECK([ip netns exec at_ns0 bash -c "ping -q -c 3 -i 0.3 -w 2 10.1.1.100
> >> ping.output"])
> +AT_CHECK([ip netns exec at_ns0 bash -c "ping -s 1600 -q -c 3 -i 0.3 -w 2
> 10.1.1.100 >> ping.output"])
> +AT_CHECK([ip netns exec at_ns0 bash -c "ping -s 3200 -q -c 3 -i 0.3 -w 2
> 10.1.1.100 >> ping.output"])
> +
May be it is better to check ping results after each ping test?
> +AT_CHECK([cat ping.output | grep "transmitted" | sed 's/time.*ms$/time
> 0ms/'], [0], [dnl
> +3 packets transmitted, 3 received, 0% packet loss, time 0ms
> +3 packets transmitted, 3 received, 0% packet loss, time 0ms
> +3 packets transmitted, 3 received, 0% packet loss, time 0ms
> +3 packets transmitted, 3 received, 0% packet loss, time 0ms
> +])
> +
> +OVS_KMOD_VSWITCHD_STOP
> +AT_CLEANUP
> --
> 2.1.4
>
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