[ovs-dev] [v4 07/12] test/sytem-dpdk: Add unit test for mfex autovalidator

Stokes, Ian ian.stokes at intel.com
Tue Jun 29 16:40:32 UTC 2021


> Tests:
>   6: OVS-DPDK - MFEX Autovalidator
>   7: OVS-DPDK - MFEX Autovalidator Fuzzy
> 
> Added a new directory to store the PCAP file used
> in the tests and a script to generate the fuzzy traffic
> type pcap to be used in fuzzy unit test.

Hi Amber,

I don't have much to add here that Flavio and Eelco have already flagged. Looking forward to reviewing/testing the v5.

Regards
Ian
> 
> Signed-off-by: Kumar Amber <kumar.amber at intel.com>
> ---
>  tests/automake.mk    |   5 +++++
>  tests/pcap/fuzzy.py  |  32 ++++++++++++++++++++++++++++++
>  tests/pcap/mfex_test | Bin 0 -> 416 bytes
>  tests/system-dpdk.at |  46 +++++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 83 insertions(+)
>  create mode 100755 tests/pcap/fuzzy.py
>  create mode 100644 tests/pcap/mfex_test
> 
> diff --git a/tests/automake.mk b/tests/automake.mk
> index 1a528aa39..532875971 100644
> --- a/tests/automake.mk
> +++ b/tests/automake.mk
> @@ -142,6 +142,11 @@ $(srcdir)/tests/fuzz-regression-list.at:
> tests/automake.mk
>  	    echo "TEST_FUZZ_REGRESSION([$$basename])"; \
>  	done > $@.tmp && mv $@.tmp $@
> 
> +EXTRA_DIST += $(MFEX_AUTOVALIDATOR_TESTS)
> +MFEX_AUTOVALIDATOR_TESTS = \
> +	tests/pcap/mfex_test \
> +	tests/pcap/fuzzy.py
> +
>  OVSDB_CLUSTER_TESTSUITE_AT = \
>  	tests/ovsdb-cluster-testsuite.at \
>  	tests/ovsdb-execution.at \
> diff --git a/tests/pcap/fuzzy.py b/tests/pcap/fuzzy.py
> new file mode 100755
> index 000000000..a8051ba2b
> --- /dev/null
> +++ b/tests/pcap/fuzzy.py
> @@ -0,0 +1,32 @@
> +#!/usr/bin/python3
> +try:
> +   from scapy.all import *
> +except ModuleNotFoundError as err:
> +   print(err + ": Scapy")
> +import sys
> +import os
> +
> +path = os.environ['OVS_DIR'] + "/tests/pcap/fuzzy"
> +pktdump = PcapWriter(path, append=False, sync=True)
> +
> +for i in range(0, 2000):
> +
> +   # Generate random protocol bases, use a fuzz() over the combined packet for
> full fuzzing.
> +   eth = Ether(src=RandMAC(), dst=RandMAC())
> +   vlan = Dot1Q()
> +   ipv4 = IP(src=RandIP(), dst=RandIP())
> +   ipv6 = IPv6(src=RandIP6(), dst=RandIP6())
> +   udp = UDP()
> +   tcp = TCP()
> +
> +   # IPv4 packets with fuzzing
> +   pktdump.write(fuzz(eth/ipv4/udp))
> +   pktdump.write(fuzz(eth/ipv4/tcp))
> +   pktdump.write(fuzz(eth/vlan/ipv4/udp))
> +   pktdump.write(fuzz(eth/vlan/ipv4/tcp))
> +
> +    # IPv6 packets with fuzzing
> +   pktdump.write(fuzz(eth/ipv6/udp))
> +   pktdump.write(fuzz(eth/ipv6/tcp))
> +   pktdump.write(fuzz(eth/vlan/ipv6/udp))
> +   pktdump.write(fuzz(eth/vlan/ipv6/tcp))
> \ No newline at end of file
> diff --git a/tests/pcap/mfex_test b/tests/pcap/mfex_test
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..1aac67b8d643ecb016c758cb
> a4cc32212a80f52a
> GIT binary patch
> literal 416
> zcmca|c+)~A1{MYw`2U}Qff2}Q<eHVR>K`M68ITRa|G at yFii5$Gfk6YL%z>@uY&}o
> |
> z2s4N<1VH2&7y^V87$)XGOtD~MV$cFgfG~zBGGJ2#YtF$<F=a4i;9x8Q*<ZrSM6Uf
> z
> xK>KST_NTIwYriok6N4Vm)gX-
> Q@<yO<!C`>c^{cp<7_5LgK^UuU{2>VS0RZ!RQ+EIW
> 
> literal 0
> HcmV?d00001
> 
> diff --git a/tests/system-dpdk.at b/tests/system-dpdk.at
> index 802895488..46eaea35a 100644
> --- a/tests/system-dpdk.at
> +++ b/tests/system-dpdk.at
> @@ -232,3 +232,49 @@ OVS_VSWITCHD_STOP(["\@does not exist. The Open
> vSwitch kernel module is probably
>  \@EAL: No free hugepages reported in hugepages-1048576kB at d"])
>  AT_CLEANUP
>  dnl --------------------------------------------------------------------------
> +
> +dnl --------------------------------------------------------------------------
> +dnl Add standard DPDK PHY port
> +AT_SETUP([OVS-DPDK - MFEX Autovalidator])
> +AT_KEYWORDS([dpdk])
> +
> +OVS_DPDK_START()
> +
> +dnl Add userspace bridge and attach it to OVS
> +AT_CHECK([ovs-vsctl add-br br0 -- set bridge br0 datapath_type=netdev])
> +AT_CHECK([ovs-vsctl add-port br0 p1 -- set Interface p1 type=dpdk
> options:dpdk-
> devargs=net_pcap1,rx_pcap=$OVS_DIR/tests/pcap/mfex_test,infinite_rx=1], [],
> [stdout], [stderr])
> +AT_CHECK([ovs-vsctl show], [], [stdout])
> +
> +
> +AT_CHECK([ovs-appctl dpif-netdev/miniflow-parser-set autovalidator], [0], [dnl
> +Miniflow implementation set to autovalidator.
> +])
> +sleep 5
> +
> +dnl Clean up
> +AT_CHECK([ovs-vsctl del-port br0 p1], [], [stdout], [stderr])
> +AT_CLEANUP
> +dnl --------------------------------------------------------------------------
> +
> +dnl --------------------------------------------------------------------------
> +dnl Add standard DPDK PHY port
> +AT_SETUP([OVS-DPDK - MFEX Autovalidator Fuzzy])
> +AT_KEYWORDS([dpdk])
> +AT_CHECK([$PYTHON3 $OVS_DIR/tests/pcap/fuzzy.py], [], [stdout])
> +OVS_DPDK_START()
> +
> +dnl Add userspace bridge and attach it to OVS
> +AT_CHECK([ovs-vsctl add-br br0 -- set bridge br0 datapath_type=netdev])
> +AT_CHECK([ovs-vsctl add-port br0 p1 -- set Interface p1 type=dpdk
> options:dpdk-
> devargs=net_pcap1,rx_pcap=$OVS_DIR/tests/pcap/fuzzy,infinite_rx=1], [],
> [stdout], [stderr])
> +AT_CHECK([ovs-vsctl show], [], [stdout])
> +
> +
> +AT_CHECK([ovs-appctl dpif-netdev/miniflow-parser-set autovalidator], [0], [dnl
> +Miniflow implementation set to autovalidator.
> +])
> +sleep 20
> +
> +dnl Clean up
> +AT_CHECK([ovs-vsctl del-port br0 p1], [], [stdout], [stderr])
> +AT_CLEANUP
> +dnl --------------------------------------------------------------------------
> --
> 2.25.1
> 
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