[PATCH 0/4] net/mlx5: future HW devargs defaults and fixes

[Maayan Kashani]

This patch series contains bug fixes for the mlx5 PMD, primarily
addressing issues with Hardware Steering (HWS) and flow devarg handling.

Summary of changes:

1. drivers: fix flow devarg handling for future HW
   Addresses SWS (Software Steering) deprecation on future hardware
   generations (e.g., ConnectX-9). Updates default behavior for
   dv_flow_en and allow_duplicate_pattern devargs based on device
   capabilities, with proper error handling and user feedback.

2. net/mlx5: fix default memzone requirements in HWS
   Fixes memzone exhaustion when probing setups with ~1K SFs. The
   default HWS sync flow API configuration was allocating unnecessary
   rings (flow_transfer_pending/completed) that are only used with
   async flow API. This patch removes the unnecessary allocations to
   stay within memzone limits.

3. net/mlx5: fix internal HWS pattern template creation
   Improves PMD initialization time by separating pattern templates
   into internal and external categories. Internal templates (created
   by PMD) skip expensive validations, while application-provided
   templates remain fully validated.

4. net/mlx5: fix redundant control rules in promiscuous mode
   Removes redundant DMAC and multicast/broadcast control flow rules
   when promiscuous mode is enabled, as the device already receives
   all traffic in this mode.

All patches are targeted for stable backport.

Dariusz Sosnowski (1):
  net/mlx5: fix default memzone requirements in HWS

Maayan Kashani (3):
  drivers: fix flow devarg handling for future HW
  net/mlx5: fix internal HWS pattern template creation
  net/mlx5: fix redundant control rules in promiscuous mode

 doc/guides/nics/mlx5.rst             |  11 ++-
 drivers/common/mlx5/mlx5_devx_cmds.c |  18 ++++
 drivers/common/mlx5/mlx5_devx_cmds.h |   6 ++
 drivers/common/mlx5/mlx5_prm.h       |  14 +++-
 drivers/net/mlx5/mlx5.c              |  71 +++++++++++++++-
 drivers/net/mlx5/mlx5_flow_hw.c      | 121 ++++++++++++++++++++-------
 drivers/net/mlx5/mlx5_trigger.c      |  16 ++--
 7 files changed, 214 insertions(+), 43 deletions(-)

-- 
2.21.0