[ovs-dev] [PATCHv2 5/5] kmod-traffic: Add basic vxlan tunnel sanity test.
Joe Stringer
joestringer at nicira.com
Wed Aug 19 19:02:39 UTC 2015
I renamed the patch to "system-traffic...." and applied to master, thanks.
On 17 August 2015 at 07:45, Daniele Di Proietto <diproiettod at vmware.com> wrote:
> 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