Hi Darrell,

Thanks for the review. Will do.

Best,
Yifeng

On Fri, Aug 10, 2018 at 3:12 PM, Darrell Ball <db...@vmware.com> wrote:

> Thanks Yifeng
>
> Thanks for switching to use ‘packet-out’.
> Patches 4-8 seem like they can be part of the same patch, since they are
> closely related.
> As discussed, none of the tests pass for Userspace datapath, so maybe you
> want to check them out or just disable them for now
>
> I tested with “Linux ubuntu 4.4.0-119-generic #143-Ubuntu SMP Mon Apr 2
> 16:08:24 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux”
> Fusion Ubuntu VM
>
> dball@ubuntu:~/ovs$ time sudo make check-system-userspace
> TESTSUITEFLAGS='18-22' -C _gcc
> make: Entering directory '/home/dball/ovs/_gcc'
> make  all-recursive
> make[1]: Entering directory '/home/dball/ovs/_gcc'
> Making all in datapath
> make[2]: Entering directory '/home/dball/ovs/_gcc/datapath'
> Making all in linux
> make[3]: Entering directory '/home/dball/ovs/_gcc/datapath/linux'
> make -C /lib/modules/4.4.0-119-generic/build 
> M=/home/dball/ovs/_gcc/datapath/linux
> modules
> make[4]: Entering directory '/usr/src/linux-headers-4.4.0-119-generic'
>   Building modules, stage 2.
>   MODPOST 6 modules
> make[4]: Leaving directory '/usr/src/linux-headers-4.4.0-119-generic'
> make[3]: Leaving directory '/home/dball/ovs/_gcc/datapath/linux'
> make[3]: Entering directory '/home/dball/ovs/_gcc/datapath'
> make[3]: Leaving directory '/home/dball/ovs/_gcc/datapath'
> make[2]: Leaving directory '/home/dball/ovs/_gcc/datapath'
> make[2]: Entering directory '/home/dball/ovs/_gcc'
> make[3]: Entering directory '/home/dball/ovs/_gcc/datapath'
> make[3]: 'distfiles' is up to date.
> make[3]: Leaving directory '/home/dball/ovs/_gcc/datapath'
> make[2]: Leaving directory '/home/dball/ovs/_gcc'
> make[1]: Leaving directory '/home/dball/ovs/_gcc'
> set /bin/bash '../tests/system-userspace-testsuite' -C tests
> AUTOTEST_PATH='utilities:vswitchd:ovsdb:vtep:tests:::
> ovn/controller-vtep:ovn/northd:ovn/utilities:ovn/controller' 18-22 -j1; \
> "$@" || (test X'' = Xyes && "$@" --recheck)
> ## ------------------------------- ##
> ## openvswitch 2.10.90 test suite. ##
> ## ------------------------------- ##
>
> datapath-sanity
>
>  18: datapath - ping over gre tunnel by simulated packets FAILED (
> system-traffic.at:615)
>  19: datapath - ping over erspan v1 tunnel by simulated packets FAILED (
> system-traffic.at:659)
>  20: datapath - ping over erspan v2 tunnel by simulated packets FAILED (
> system-traffic.at:706)
>  21: datapath - ping over ip6erspan v1 tunnel by simulated packets FAILED (
> system-traffic.at:754)
>  22: datapath - ping over ip6erspan v2 tunnel by simulated packets FAILED (
> system-traffic.at:804)
>
> ## ------------- ##
> ## Test results. ##
> ## ------------- ##
>
> ERROR: All 5 tests were run,
> 5 failed unexpectedly.
> ## ------------------------------------------- ##
> ## system-userspace-testsuite.log was created. ##
> ## ------------------------------------------- ##
>
>
> The kmod tests all pass now and they are a little faster now, but still
> slow
>
> et /bin/bash '../tests/system-kmod-testsuite' -C tests
> AUTOTEST_PATH='utilities:vswitchd:ovsdb:vtep:tests:::
> ovn/controller-vtep:ovn/northd:ovn/utilities:ovn/controller' 18 -j1; \
> "$@" || (test X'' = Xyes && "$@" --recheck)
> ## ------------------------------- ##
> ## openvswitch 2.10.90 test suite. ##
> ## ------------------------------- ##
>  18: datapath - ping over gre tunnel by simulated packets ok
>
> ## ------------- ##
> ## Test results. ##
> ## ------------- ##
>
> 1 test was successful.
> make[1]: Leaving directory '/home/dball/ovs/_gcc'
> make: Leaving directory '/home/dball/ovs/_gcc'
>
> real    1m32.789s
> user    0m3.396s
> sys     0m0.872s
>
>
> Thanks Darrell
>
>
>
>
>
>
> On 8/8/18, 4:35 PM, "ovs-dev-boun...@openvswitch.org on behalf of Yifeng
> Sun" <ovs-dev-boun...@openvswitch.org on behalf of pkusunyif...@gmail.com>
> wrote:
>
>     Introduce a new test that doesn't setup native gre 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 <pkusunyif...@gmail.com>
>     ---
>      tests/system-traffic.at | 47 ++++++++++++++++++++++++++++++
> +++++++++++++++++
>      1 file changed, 47 insertions(+)
>
>     diff --git a/tests/system-traffic.at b/tests/system-traffic.at
>     index cf53c10..dca2bc8 100644
>     --- a/tests/system-traffic.at
>     +++ b/tests/system-traffic.at
>     @@ -575,6 +575,53 @@ 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 gre 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.
>     +ADD_OVS_TUNNEL([gre], [br0], [at_gre0], [172.31.1.1], [10.1.1.100/24
> ])
>     +
>     +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 We don't actually add gretap port as below, instead, we will
>     +dnl emulate one that sends out packets. Suppose its mac address is
> f2:ff:00:00:00:04.
>     +dnl ADD_NATIVE_TUNNEL([gretap], [ns_gre0], [at_ns0], [172.31.1.100], [
> 10.1.1.1/24])
>     +
>     +dnl Now, check the overlay by sending out raw arp and icmp packets.
>     +ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=
> f2ff00000002f2ff00000003080045000042ec2c4000402ff3bcac1f0101
> ac1f016400006558fffffffffffff2ff0000000408060001080006040001
> f2ff000000040a0101010000000000000a010164 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 46: ARP, Reply 10.1.1.100 is-at
> f2:ff:00:00:00:01 .* length 28" 2>&1 1>/dev/null])
>     +
>     +ovs-ofctl -O OpenFlow13 packet-out br-underlay "in_port=1 packet=
> f2ff00000002f2ff0000000308004500007aec8e4000402ff322ac1f0101
> ac1f016400006558f2ff00000001f2ff00000004080045000054548f4000
> 4001cfb30a0101010a0101640800e6e829270003e1a3435b00000000ff1a
> 050000000000101112131415161718191a1b1c1d1e1f2021222324252627
> 28292a2b2c2d2e2f3031323334353637 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 102: IP 10.1.1.100 > 10.1.1.1: ICMP echo reply,
> .* length 64$" 2>&1 1>/dev/null])
>     +
>     +OVS_TRAFFIC_VSWITCHD_STOP
>     +AT_CLEANUP
>     +
>      AT_SETUP([datapath - clone action])
>      OVS_TRAFFIC_VSWITCHD_START()
>
>     --
>     2.7.4
>
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