[ovs-dev] [PATCHv2 5/5] kmod-traffic: Add basic vxlan tunnel sanity test.
Daniele Di Proietto
diproiettod at vmware.com
Mon Aug 17 14:45:02 UTC 2015
It works both for userspace and kernel datapath, thanks!
Acked-by: Daniele Di Proietto <diproiettod at vmware.com>
On 12/08/2015 22:01, "Joe Stringer" <joestringer at nicira.com> wrote:
>This test is skipped if the 'ip' command cannot interpret the vxlan
>'dstport'
>option; this is used as a proxy for detecting native kernel support for
>this
>tunnel type.
>
>Signed-off-by: Joe Stringer <joestringer at nicira.com>
>---
>This initial sanity test uses a linux device tunnel in combination with an
>OVS-based tunnel, so I think it is reasonable to limit its operation to
>newer
>kernels and distributions with newer iptools. In future it would also be
>good
>to have tests which use two OVS tunnel endpoints which could be run on any
>kernel version and with the userspace datapath as well.
>---
> tests/system-common-macros.at | 38 ++++++++++++++++++++++++++++++++++++++
> tests/system-kmod-macros.at | 10 ++++++++--
> tests/system-traffic.at | 38 ++++++++++++++++++++++++++++++++++++++
> 3 files changed, 84 insertions(+), 2 deletions(-)
>
>diff --git a/tests/system-common-macros.at b/tests/system-common-macros.at
>index 11b29fc..91792af 100644
>--- a/tests/system-common-macros.at
>+++ b/tests/system-common-macros.at
>@@ -76,6 +76,44 @@ m4_define([ADD_VLAN],
> ]
> )
>
>+# ADD_OVS_TUNNEL([type], [bridge], [port], [remote-addr], [overlay-addr])
>+#
>+# Add an ovs-based tunnel device in the root namespace, with name 'port'
>and
>+# type 'type'. The tunnel device will be configured as point-to-point
>with the
>+# 'remote-addr' as the underlay address of the remote tunnel endpoint.
>+#
>+# 'port will be configured with the address 'overlay-addr'.
>+#
>+m4_define([ADD_OVS_TUNNEL],
>+ [AT_CHECK([ovs-vsctl add-port $2 $3 -- \
>+ set int $3 type=$1 options:remote_ip=$4])
>+ AT_CHECK([ip addr add dev $2 $5])
>+ AT_CHECK([ip link set dev $2 up])
>+ AT_CHECK([ip link set dev $2 mtu 1450])
>+ ON_EXIT([ip addr del dev $2 $5])
>+ ]
>+)
>+
>+# ADD_NATIVE_TUNNEL([type], [port], [namespace], [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
>+# 'remote-addr' as the underlay address of the remote tunnel endpoint (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],
>+ [NS_CHECK_EXEC([$3], [ip link add dev $2 type $1 remote $4 $6])
>+ NS_CHECK_EXEC([$3], [ip addr add dev $2 $5])
>+ NS_CHECK_EXEC([$3], [ip link set dev $2 up])
>+ NS_CHECK_EXEC([$3], [ip link set dev $2 mtu 1450])
>+ ]
>+)
>+
> # FORMAT_PING([])
> #
> # Strip variant pieces from ping output so the output can be reliably
>compared.
>diff --git a/tests/system-kmod-macros.at b/tests/system-kmod-macros.at
>index 2e2bf4e..5fab7b7 100644
>--- a/tests/system-kmod-macros.at
>+++ b/tests/system-kmod-macros.at
>@@ -13,9 +13,15 @@ m4_define([_ADD_BR], [[add-br $1]])
> # output (e.g. because it includes "create" commands) then 'vsctl-output'
> # specifies the expected output after filtering through uuidfilt.pl.
> #
>+# Best-effort loading of all available vport modules is performed.
>+#
> m4_define([OVS_TRAFFIC_VSWITCHD_START],
>- [ AT_CHECK([modprobe openvswitch])
>- ON_EXIT([modprobe -r openvswitch])
>+ [AT_CHECK([modprobe openvswitch])
>+ ON_EXIT([modprobe -r openvswitch])
>+ m4_foreach([mod], [[vport_geneve], [vport_gre], [vport_lisp],
>[vport_stt], [vport_vxlan]],
>+ [modprobe -q mod || echo "Module mod not loaded."
>+ ON_EXIT([modprobe -q -r mod])])
>+ ON_EXIT([ovs-dpctl del-dp ovs-system])
> _OVS_VSWITCHD_START([])
> dnl Add bridges, ports, etc.
> AT_CHECK([ovs-vsctl -- _ADD_BR([br0]) -- set bridge br0
>protocols=[[OpenFlow10,OpenFlow11,OpenFlow12,OpenFlow13,OpenFlow14,OpenFlo
>w15]] fail-mode=secure -- $1 m4_if([$2], [], [], [| ${PERL}
>$srcdir/uuidfilt.pl])], [0], [$2])
>diff --git a/tests/system-traffic.at b/tests/system-traffic.at
>index 8324480..7dbed68 100644
>--- a/tests/system-traffic.at
>+++ b/tests/system-traffic.at
>@@ -101,3 +101,41 @@ NS_CHECK_EXEC([at_ns0], [ping6 -s 3200 -q -c 3 -i
>0.3 -w 2 fc00:1::2 | FORMAT_PI
>
> OVS_TRAFFIC_VSWITCHD_STOP
> AT_CLEANUP
>+
>+AT_SETUP([datapath - ping over vxlan tunnel])
>+AT_SKIP_IF([! ip link add foo type vxlan help 2>&1 | grep dstport
>>/dev/null])
>+
>+OVS_TRAFFIC_VSWITCHD_START(
>+ [set-fail-mode br0 standalone -- ])
>+ADD_BR([br-underlay], [set-fail-mode br-underlay standalone])
>+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],
>[10.1.1.100/24])
>+ADD_NATIVE_TUNNEL([vxlan], [at_vxlan1], [at_ns0], [172.31.1.100],
>[10.1.1.1/24],
>+ [id 0 dstport 4789])
>+
>+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
>--
>2.1.4
>
More information about the dev
mailing list