[PATCH net-next 0/5] octeontx2-af: npc: Enhancements.

[Ratheesh Kannoth]

This series adds features in NPC HW block in the OcteonTX2 AF driver
for better observability, configuration, and resource management.

Patch 1 adds debugfs enhancements for CN20K: mcam_layout now shows
enabled/disabled state per MCAM entry; a new "dstats" entry reports hit
counts with delta semantics; and "mismatch" lists entries that are
enabled but not explicitly allocated.

Patch 2 (from Saeed) extends devlink with DEVLINK_PARAM_TYPE_U32_ARRAY
so params can accept multiple u32 values in a single value. This is
used by patch 3 for subbank search order.

Patch 3 adds a devlink parameter "srch_order" for CN20K to control
the order in which NPC subbanks are searched during MCAM allocation,
allowing users to tune rule priority without firmware changes.

Patch 4 ties default MCAM entries (broadcast, multicast, promisc, ucast)
to NIX LF lifetime: they are allocated when a NIX LF is allocated and
freed when it is released, improving MCAM utilization.
NIX_LF_DONT_FREE_DFT_IDXS lets the kernel PF retain default entries
across suspend/resume.

Patch 5 allows loading a custom KPU profile from the filesystem via
a module parameter (kpu_profile=), avoiding firmware flashes for
profile updates.

Ratheesh Kannoth (4):
  octeontx2-af: npc: cn20k: debugfs enhancements
  octeontx2-af: npc: cn20k: Add devlink support for search order
  octeontx2-af: npc: cn20k: dynamically allocate and free default MCAM
    entries
  octeontx2-af: Add support for loading custom KPU profile from
    filesystem

Saeed Mahameed (1):
  devlink: Implement devlink param multi attribute nested data values

 Documentation/netlink/specs/devlink.yaml      |   4 +
 .../marvell/octeontx2/af/cn20k/debugfs.c      | 120 +++++++-
 .../ethernet/marvell/octeontx2/af/cn20k/npc.c | 192 ++++++++++---
 .../ethernet/marvell/octeontx2/af/cn20k/npc.h |   9 +
 .../net/ethernet/marvell/octeontx2/af/mbox.h  |   1 +
 .../net/ethernet/marvell/octeontx2/af/npc.h   |  14 +
 .../net/ethernet/marvell/octeontx2/af/rvu.h   |   3 +-
 .../marvell/octeontx2/af/rvu_devlink.c        |  88 +++++-
 .../ethernet/marvell/octeontx2/af/rvu_nix.c   |  14 +
 .../ethernet/marvell/octeontx2/af/rvu_npc.c   | 269 ++++++++++++++----
 .../ethernet/marvell/octeontx2/af/rvu_reg.h   |   1 +
 .../marvell/octeontx2/nic/otx2_pf.c          |   6 +-
 include/net/devlink.h                         |   8 +
 include/uapi/linux/devlink.h                 |   1 +
 net/devlink/netlink_gen.c                     |   2 +
 net/devlink/param.c                           |  78 +++--
 16 files changed, 674 insertions(+), 136 deletions(-)

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2.43.0