linux-kernel - [net-next PATCH 0/9] Introduce RVU representors

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Message-ID: <20240416050616.6056-1-gakula@marvell.com>
Date: Tue, 16 Apr 2024 10:36:07 +0530
From: Geetha sowjanya <gakula@...vell.com>
To: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <kuba@...nel.org>, <davem@...emloft.net>, <pabeni@...hat.com>,
        <edumazet@...gle.com>, <sgoutham@...vell.com>, <gakula@...vell.com>,
        <sbhatta@...vell.com>, <hkelam@...vell.com>
Subject: [net-next PATCH 0/9] Introduce RVU representors

This series adds representor support for each rvu devices.
When switchdev mode is enabled, representor netdev is registered
for each rvu device. In implementation of representor model, 
one NIX HW LF with multiple SQ and RQ is reserved, where each
RQ and SQ of the LF are mapped to a representor. A loopback channel
is reserved to support packet path between representors and VFs.
CN10K silicon supports 2 types of MACs, RPM and SDP. This
patch set adds representor support for both RPM and SDP MAC
interfaces.

- Patch 1: Refactors and exports the shared service functions.
- patch 2: Implements basic representor driver.
- patch 3: Add devlink support to create representor netdevs that
  can be used to manage VFs.
- patch 4: Implements basec netdev_ndo_ops.
- Patch 5: Installs tcam rules to route packets between representor and
	   VFs.
- patch 6: Enables fetching VF stats via representor interface
- Patch 7: Adds support to sync link state between representors and VFs .
- patch 8: Enables configuring VF MTU via representor netdevs.
- patch 9: Add representors for sdp MAC

Geetha sowjanya (9):
  octeontx2-pf: Refactoring RVU driver
  octeontx2-pf: RVU representor driver
  octeontx2-pf: Create representor netdev
  octeontx2-pf: Add basic net_device_ops
  octeontx2-af: Add packet path between representor and VF
  octeontx2-pf: Get VF stats via representor
  octeontx2-pf: Add support to sync link state between representor and
    VFs
  octeontx2-pf: Configure VF mtu via representor
  octeontx2-pf: Add representors for sdp MAC

 .../net/ethernet/marvell/octeontx2/Kconfig    |   8 +
 .../ethernet/marvell/octeontx2/af/Makefile    |   3 +-
 .../net/ethernet/marvell/octeontx2/af/mbox.h  |  73 +++
 .../net/ethernet/marvell/octeontx2/af/npc.h   |   1 +
 .../net/ethernet/marvell/octeontx2/af/rvu.h   |  30 +-
 .../marvell/octeontx2/af/rvu_debugfs.c        |  27 -
 .../marvell/octeontx2/af/rvu_devlink.c        |   6 +
 .../ethernet/marvell/octeontx2/af/rvu_nix.c   |  67 +-
 .../marvell/octeontx2/af/rvu_npc_fs.c         |   4 +
 .../ethernet/marvell/octeontx2/af/rvu_rep.c   | 457 +++++++++++++
 .../marvell/octeontx2/af/rvu_struct.h         |  26 +
 .../marvell/octeontx2/af/rvu_switch.c         |  20 +-
 .../ethernet/marvell/octeontx2/nic/Makefile   |   2 +
 .../ethernet/marvell/octeontx2/nic/cn10k.c    |   4 +-
 .../ethernet/marvell/octeontx2/nic/cn10k.h    |   2 +-
 .../marvell/octeontx2/nic/otx2_common.c       |  53 +-
 .../marvell/octeontx2/nic/otx2_common.h       |  83 ++-
 .../marvell/octeontx2/nic/otx2_devlink.c      |  48 ++
 .../ethernet/marvell/octeontx2/nic/otx2_pf.c  | 305 ++++++---
 .../ethernet/marvell/octeontx2/nic/otx2_reg.h |   1 +
 .../marvell/octeontx2/nic/otx2_txrx.c         |  33 +-
 .../marvell/octeontx2/nic/otx2_txrx.h         |   3 +-
 .../ethernet/marvell/octeontx2/nic/otx2_vf.c  |  18 +-
 .../net/ethernet/marvell/octeontx2/nic/rep.c  | 602 ++++++++++++++++++
 .../net/ethernet/marvell/octeontx2/nic/rep.h  |  51 ++
 25 files changed, 1704 insertions(+), 223 deletions(-)
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/rep.c
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/rep.h

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2.25.1