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Diffstat (limited to 'docs/report/nsh_sfc_functional_tests/overview.rst')
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1 files changed, 64 insertions, 66 deletions
diff --git a/docs/report/nsh_sfc_functional_tests/overview.rst b/docs/report/nsh_sfc_functional_tests/overview.rst index c9156fb22d..6d36f377ce 100644 --- a/docs/report/nsh_sfc_functional_tests/overview.rst +++ b/docs/report/nsh_sfc_functional_tests/overview.rst @@ -4,20 +4,13 @@ Overview Virtual Topologies ------------------ -CSIT NSH_SFC functional tests are executed on virtualized topologies created -using :abbr:`VIRL (Virtual Internet Routing Lab)` simulation platform -contributed by Cisco. VIRL runs on physical baremetal servers hosted by LF FD.io -project. Based on the packet path thru server SUTs, one logical -topology type is used for VPP DUT data plane testing: +CSIT NSH_SFC functional tests are executed in VM-based virtual topologies +created on demand using :abbr:`VIRL (Virtual Internet Routing Lab)` +simulation platform contributed by Cisco. VIRL runs on physical +baremetal servers hosted by LF FD.io project. -#. NIC-to-NIC switching topologies. - -NIC-to-NIC Switching -~~~~~~~~~~~~~~~~~~~~ - -The simplest logical topology for software data plane application like -VPP is NIC-to-NIC switching. Tested topology for the 3-Node -testbeds is shown in the figure below. +All tests are executed in three-node virtual test topology shown in the +figure below. .. only:: latex @@ -25,62 +18,67 @@ testbeds is shown in the figure below. \begin{figure}[H] \centering - \graphicspath{{../_tmp/src/vpp_performance_tests/}} - \includegraphics[width=0.90\textwidth]{logical-3n-nic2nic} - \label{fig:logical-3n-nic2nic} + \graphicspath{{../_tmp/src/vpp_functional_tests/}} + \includegraphics[width=0.90\textwidth]{virtual-3n-nic2nic} + \label{fig:virtual-3n-nic2nic} \end{figure} .. only:: html - .. figure:: ../vpp_performance_tests/logical-3n-nic2nic.svg - :alt: logical-3n-nic2nic + .. figure:: ../vpp_functional_tests/virtual-3n-nic2nic.svg + :alt: virtual-3n-nic2nic :align: center -SUT1 and SUT2 are two VMs (Ubuntu or Centos, depending on the test suite), TG -is a Traffic Generator (TG, another Ubuntu VM). SUTs run NSH_SFC SW application -in Linux user-mode as a Device Under Test (DUT) within the VM. TG runs Scapy SW -application as a packet Traffic Generator. Logical connectivity between SUTs -and to TG is provided using virtual NICs using VMs' virtio driver. - -Virtual testbeds are created on-demand whenever a verification job is started -(e.g. triggered by the gerrit patch submission) and destroyed upon completion -of all functional tests. Each node is a Virtual Machine and each connection -that is drawn on the diagram is available for use in any test case. During the -test execution, all nodes are reachable thru the Management network connected -to every node via dedicated virtual NICs and virtual links (not shown above -for clarity). - -NSH_SFC Functional Tests Coverage ---------------------------------- - -Following NSH_SFC functional test areas are covered in the |csit-release| with -results listed in this report: - -- **NSH SFC Classifier** - TG sends some TCP packets to test NSH SFC - Classifier functional. DUT1 will receive these packets from one NIC and - loopback the VXLAN-GPE-NSH encapsulated packets to the TG from other NIC. - - - Test case count: 7 - -- **NSH SFC Proxy Inbound** - TG sends some VXLAN-GPE-NSH encapsulated packets - to test NSH SFC Proxy Inbound functional. DUT1 will receive these packets from - one NIC and loopback the VXLAN encapsulated packets to the TG from other NIC. - - - Test case count: 6 - -- **NSH SFC Proxy Outbound** - TG sends some VXLAN encapsulated packets to test - NSH SFC Proxy Outbound functional. DUT1 will receive these packets from one - NIC and loopback the VXLAN-GPE-NSH encapsulated packets to the TG from other - NIC. - - - Test case count: 6 - -- **NSH SFC Service Function Forward** - TG sends some VXLAN-GPE-NSH - encapsulated packets to test NSH SFC Service Function Forward functional. DUT1 - will receive these packets from one NIC and swap the VXLAN-GPE-NSH header, - after that DUT1 loopback the VXLAN-GPE-NSH encapsulated packtes to the TG from - other NIC. - - - Test case count: 6 - -Total 25 NSH SFC functional tests in the |csit-release|. +SUT1 and SUT2 are two VMs (running Ubuntu or Centos, depending on the +test suite), TG is a Traffic Generator (running Ubuntu VM). SUTs run VPP +with nsh-plugin in Linux user-mode as a Device Under Test (DUT) within +the VM. TG runs Scapy SW application as a packet Traffic Generator. +Network connectivity between SUTs and to TG is provided using virtual +NICs and VMs' virtio drivers. + +Functional Tests Coverage +------------------------- + +|csit-release| includes following NSH_SFC functionality tested in +virtual VM environment: + ++-----------------------+----------------------------------------------+ +| Functionality | Description | ++=======================+==============================================+ +| NSH SFC Classifier | TG sends some TCP packets to test NSH SFC | +| | Classifier functional. DUT1 will receive | +| | these packets from one NIC and loopback the | +| | VXLAN-GPE-NSH encapsulated packets to the TG | +| | from other NIC. | +| | | +| | Test case count: 7. | ++-----------------------+----------------------------------------------+ +| NSH SFC Proxy Inbound | TG sends some VXLAN-GPE-NSH encapsulated | +| | packets to test NSH SFC Proxy Inbound | +| | functional. DUT1 will receive these packets | +| | from one NIC and loopback the VXLAN | +| | encapsulated packets to the TG from other | +| | NIC. | +| | | +| | Test case count: 6. | ++-----------------------+----------------------------------------------+ +| NSH SFC Proxy | TG sends some VXLAN encapsulated packets to | +| Outbound | test NSH SFC Proxy Outbound functional. DUT1 | +| | will receive these packets from one NIC and | +| | loopback the VXLAN-GPE-NSH encapsulated | +| | packets to the TG from other NIC. | +| | | +| | Test case count: 6. | ++-----------------------+----------------------------------------------+ +| NSH SFC Service | TG sends some VXLAN-GPE-NSH | +| Function Forward | encapsulated packets to test NSH SFC Service | +| | Function Forward functional. DUT1 will | +| | receive these packets from one NIC and swap | +| | the VXLAN-GPE-NSH header, after that DUT1 | +| | loopback the VXLAN-GPE-NSH encapsulated | +| | packets to the TG from other NIC. | +| | | +| | Test case count: 6. | ++-----------------------+----------------------------------------------+ + +Total 25 NSH_SFC functional tests in the |csit-release|. |