DTS WG Meeting Minutes - August 14, 2025

[Patrick Robb]

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August 14, 2025
Attendees
* Patrick Robb
* Luca Vizzarro
* Paul Szczepanek
* Andrew Bailey
* Manit Mahajan
* Dean Marx

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Minutes

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General Discussion
* RFC deadline for 25.11 development is August 31.

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Patch discussions
* DPDKRuntimeEnvironment:
   * Currently various methods in DPDKRuntimeEnvironment basically have a
switch for “SUT” or “TG” in various methods, though the
DPDKRuntimeEnvironment is only ever instantiated for the TG Node.
      * So, proposal is to introduce an abstract class for
DPDKRuntimeEnvironment, with TG and SUT specific implementations of this
abstract class
   * The main practical reason why we want to be able to instantiate a
variant of DPDKRuntimeEnvironment on the TG is in order to call
_prepare_devbind_script() so that the TG ports will bind to the correct
driver.
   * Should we move the devbind responsibility to the topology class
      * Could remove devbind_script_path from linux session
      * and copy devbind to TG and SUT in the same way, meaning there is
one solution now for both nodes
* Add File Management:
   * Desired testlogs output dir structure
   * Testsuite logs and Testcase logs only include state information
* RSS:
   * Patrick Robband Andrew Baileyto review this and test it on lab devices
* Rxtx_offload testsuite:
   * Morten has drafted a required update to the testplan for mbuf fast
free. Patrick will send a new version in new DTS.
https://bugs.dpdk.org/show_bug.cgi?id=1769
* DTS API:
   * In progress
   * All of the files which are to be exposed to the testsuite surface will
be moved to a new “API” folder, and dts internals which should not be
imported to the testsuite will be located elsewhere.
   * Splitting out some files, for instance for capabilities which users
will decorate their testsuites/cases with, the enums for those capabilities
are moved to the API dir, though the associated capability code will remain
outside of the API dir.
* Dean’s checksum testsuite doc updates were merged

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Bugzilla discussions
* Review bugzilla tickets:
   *
https://bugs.dpdk.org/buglist.cgi?quicksearch=component%3Adts&list_id=9444

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Any other business
* VM setup - Virtio:
   * Investigating different virtio workloads, topologies, and methods of
delivering a DPDK ready VM(s) to DTS
* Next meeting is Aug 28, 2025
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