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From: Patrick Robb <probb@iol.unh.edu>
Date: Thu, 14 Aug 2025 17:38:04 -0400
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Subject: DTS WG Meeting Minutes - August 14, 2025
To: dev <dev@dpdk.org>
Cc: ci@dpdk.org, dts@dpdk.org, Luca Vizzarro <Luca.Vizzarro@arm.com>, 
 Dean Marx <dmarx@iol.unh.edu>, Paul Szczepanek <Paul.Szczepanek@arm.com>, 
 Andrew Bailey <abailey@iol.unh.edu>, Manit Mahajan <mmahajan@iol.unh.edu>, 
 =?UTF-8?Q?Morten_Br=C3=B8rup?= <mb@smartsharesystems.com>
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#####################################################################
August 14, 2025
Attendees
* Patrick Robb
* Luca Vizzarro
* Paul Szczepanek
* Andrew Bailey
* Manit Mahajan
* Dean Marx

#####################################################################
Minutes

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
General Discussion
* RFC deadline for 25.11 development is August 31.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Patch discussions
* DPDKRuntimeEnvironment:
   * Currently various methods in DPDKRuntimeEnvironment basically have a
switch for =E2=80=9CSUT=E2=80=9D or =E2=80=9CTG=E2=80=9D 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=3D1769
* DTS API:
   * In progress
   * All of the files which are to be exposed to the testsuite surface will
be moved to a new =E2=80=9CAPI=E2=80=9D folder, and dts internals which sho=
uld 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=E2=80=99s checksum testsuite doc updates were merged

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Bugzilla discussions
* Review bugzilla tickets:
   *
https://bugs.dpdk.org/buglist.cgi?quicksearch=3Dcomponent%3Adts&list_id=3D9=
444

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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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<div dir=3D"ltr">##########################################################=
###########<br>August 14, 2025<br>Attendees<br>* Patrick Robb<br>* Luca Viz=
zarro<br>* Paul Szczepanek<br>* Andrew Bailey<br>* Manit Mahajan<br>* Dean =
Marx<br><br>###############################################################=
######<br>Minutes<br><br>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D<br>General Discussion<br>* RFC deadline for 25.11 development is =
August 31.<br><br>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
<br>Patch discussions<br>* DPDKRuntimeEnvironment:<br>=C2=A0 =C2=A0* Curren=
tly various methods in DPDKRuntimeEnvironment basically have a switch for =
=E2=80=9CSUT=E2=80=9D or =E2=80=9CTG=E2=80=9D in various methods, though th=
e DPDKRuntimeEnvironment is only ever instantiated for the TG Node.<br>=C2=
=A0 =C2=A0 =C2=A0 * So, proposal is to introduce an abstract class for DPDK=
RuntimeEnvironment, with TG and SUT specific implementations of this abstra=
ct class<br>=C2=A0 =C2=A0* The main practical reason why we want to be able=
 to instantiate a variant of DPDKRuntimeEnvironment on the TG is in order t=
o call _prepare_devbind_script() so that the TG ports will bind to the corr=
ect driver.<br>=C2=A0 =C2=A0* Should we move the devbind responsibility to =
the topology class<br>=C2=A0 =C2=A0 =C2=A0 * Could remove devbind_script_pa=
th from linux session<br>=C2=A0 =C2=A0 =C2=A0 * and copy devbind to TG and =
SUT in the same way, meaning there is one solution now for both nodes<br>* =
Add File Management:<br>=C2=A0 =C2=A0* Desired testlogs output dir structur=
e<br>=C2=A0 =C2=A0* Testsuite logs and Testcase logs only include state inf=
ormation<br>* RSS:<br>=C2=A0 =C2=A0* Patrick Robband Andrew Baileyto review=
 this and test it on lab devices<br>* Rxtx_offload testsuite: =C2=A0 =C2=A0=
 =C2=A0 =C2=A0<br>=C2=A0 =C2=A0* Morten has drafted a required update to th=
e testplan for mbuf fast free. Patrick will send a new version in new DTS. =
<a href=3D"https://bugs.dpdk.org/show_bug.cgi?id=3D1769">https://bugs.dpdk.=
org/show_bug.cgi?id=3D1769</a><br>* DTS API:<br>=C2=A0 =C2=A0* In progress<=
br>=C2=A0 =C2=A0* All of the files which are to be exposed to the testsuite=
 surface will be moved to a new =E2=80=9CAPI=E2=80=9D folder, and dts inter=
nals which should not be imported to the testsuite will be located elsewher=
e.<br>=C2=A0 =C2=A0* Splitting out some files, for instance for capabilitie=
s which users will decorate their testsuites/cases with, the enums for thos=
e capabilities are moved to the API dir, though the associated capability c=
ode will remain outside of the API dir.<br>* Dean=E2=80=99s checksum testsu=
ite doc updates were merged<br><br>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D<br>Bugzilla discussions<br>* Review bugzilla tickets:<br=
>=C2=A0 =C2=A0* <a href=3D"https://bugs.dpdk.org/buglist.cgi?quicksearch=3D=
component%3Adts&amp;list_id=3D9444">https://bugs.dpdk.org/buglist.cgi?quick=
search=3Dcomponent%3Adts&amp;list_id=3D9444</a><br>=C2=A0 =C2=A0<br>=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<br>Any other business<b=
r>* VM setup - Virtio:<br>=C2=A0 =C2=A0* Investigating different virtio wor=
kloads, topologies, and methods of delivering a DPDK ready VM(s) to DTS<br>=
* Next meeting is Aug 28, 2025<br><br><br></div>

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