[PATCH v9 00/10] selective Rx

[Stephen Hemminger]

On Sat,  6 Jun 2026 01:33:40 +0200
Thomas Monjalon <thomas at monjalon.net> wrote:

> This is a new feature in ethdev with tests and mlx5 implementation.
> Selective Rx allows to receive partial data,
> saving some hardware bandwidth.
> 
> v2: rework after Gregory
> v3: fix bugs found with AI by Stephen
> v4: fix packet type in DTS test
> v5: fix mlx5 Rx to handle discarding first segment
> v6: fix reindent patch
> v7: fix mlx5 CQE error handling + outdated mcqe + redundant assignment
> v8: use --mbuf-size 0 in testpmd instead of changing --rxoffs behaviour
> v9: fix testpmd and DTS
> 
> Gregory Etelson (4):
>   ethdev: introduce selective Rx
>   app/testpmd: support selective Rx
>   common/mlx5: add null MR functions
>   net/mlx5: support selective Rx
> 
> Thomas Monjalon (6):
>   app/testpmd: print Rx split capabilities
>   net/mlx5: fix Rx split segment counter type
>   common/mlx5: remove callbacks for MR registration
>   dts: fix topology capability comparison
>   dts: use specific types for Rx/Tx offloads
>   dts: add selective Rx tests
> 
>  app/test-pmd/cmdline.c                        |   2 +-
>  app/test-pmd/config.c                         |  17 ++
>  app/test-pmd/parameters.c                     |   5 +-
>  app/test-pmd/testpmd.c                        |  48 +--
>  app/test-pmd/testpmd.h                        |  16 +
>  devtools/libabigail.abignore                  |   7 +
>  doc/guides/nics/features.rst                  |  14 +
>  doc/guides/nics/features/default.ini          |   1 +
>  doc/guides/nics/features/mlx5.ini             |   1 +
>  doc/guides/nics/mlx5.rst                      |  86 ++++--
>  doc/guides/rel_notes/release_26_07.rst        |  11 +
>  doc/guides/testpmd_app_ug/run_app.rst         |  16 +
>  doc/guides/testpmd_app_ug/testpmd_funcs.rst   |   3 +-
>  drivers/common/mlx5/linux/mlx5_common_verbs.c |  53 ++--
>  drivers/common/mlx5/mlx5_common.c             |   6 +-
>  drivers/common/mlx5/mlx5_common_mr.c          |  37 +--
>  drivers/common/mlx5/mlx5_common_mr.h          |  29 +-
>  drivers/common/mlx5/windows/mlx5_common_os.c  |  31 +-
>  drivers/compress/mlx5/mlx5_compress.c         |   4 +-
>  drivers/crypto/mlx5/mlx5_crypto.h             |   2 -
>  drivers/crypto/mlx5/mlx5_crypto_gcm.c         |   6 +-
>  drivers/net/mlx5/mlx5.c                       |   7 +
>  drivers/net/mlx5/mlx5.h                       |   4 +-
>  drivers/net/mlx5/mlx5_ethdev.c                |  25 ++
>  drivers/net/mlx5/mlx5_flow_aso.c              |  21 +-
>  drivers/net/mlx5/mlx5_flow_hw.c               |  11 +-
>  drivers/net/mlx5/mlx5_flow_quota.c            |   6 +-
>  drivers/net/mlx5/mlx5_hws_cnt.c               |  19 +-
>  drivers/net/mlx5/mlx5_rx.c                    | 187 +++++++-----
>  drivers/net/mlx5/mlx5_rx.h                    |   5 +-
>  drivers/net/mlx5/mlx5_rxq.c                   |  95 ++++--
>  drivers/net/mlx5/mlx5_trigger.c               |  64 +++-
>  dts/api/capabilities.py                       |   2 +
>  dts/api/testpmd/__init__.py                   |  17 ++
>  dts/api/testpmd/config.py                     |  11 +-
>  dts/api/testpmd/types.py                      |   6 +
>  dts/framework/params/__init__.py              |  14 +
>  dts/framework/params/types.py                 |   5 +-
>  dts/framework/testbed_model/capability.py     |  10 +-
>  dts/tests/TestSuite_rx_split.py               | 277 ++++++++++++++++++
>  lib/ethdev/rte_ethdev.c                       |  24 +-
>  lib/ethdev/rte_ethdev.h                       |  17 +-
>  42 files changed, 921 insertions(+), 301 deletions(-)
>  create mode 100644 dts/tests/TestSuite_rx_split.py
> 

Applied to net-next