APPLIED: [SRU][J:linux-bluefield][Pull Request] mlxbf_gige: add BlueField-3 support

[Bartlomiej Zolnierkiewicz]

Applied to jammy:linux-bluefield/master-next. Thanks.

--
Best regards,
Bartlomiej

On Mon, Oct 31, 2022 at 5:14 PM David Thompson <davthompson at nvidia.com> wrote:
>
> This pull request (4 commits) adds driver logic to the "mlxbf_gige"
> Ethernet driver in order to support the third generation
> BlueField SoC (BF3).  The existing "mlxbf_gige" driver is
> extended with BF3-specific logic and run-time decisions
> are made by the driver depending on the SoC generation
> (BF2 vs. BF3).
>
> The BF3 SoC is similar to BF2 SoC with regards to transmit
> and receive packet processing:
>        * Driver rings usage; consumer & producer indices
>        * Single queue for receive and transmit
>        * DMA operation
>
> The differences between BF3 and BF2 are:
>        * In addition to supporting 1Gbps interface speed, the BF3 SoC
>          adds support for 10Mbps and 100Mbps interface speeds
>        * BF3 requires SerDes config logic to support its SGMII interface
>        * BF3 adds support for "ethtool -s" for interface speed config
>        * BF3 utilizes different MDIO logic for accessing the
>          board-level PHY device
>
> Testing
>   - Successful build of kernel for ARM64, ARM32, X86_64
>   - Tested ARM64 build on FastModels, Palladium, SoC
>
> BugLink: https://bugs.launchpad.net/bugs/1995148
>
> The pull request page can be found at:
>   https://code.launchpad.net/~dthompso-98/ubuntu/+source/linux-bluefield/+git/jammy/+merge/432409
>
> Git repo can be found at:
>   git://git.launchpad.net/~dthompso-98/ubuntu/+source/linux-bluefield/+git/jammy bf3_gige
>
> for you to fetch starting from commit 841f32e4bb7d5e8a1ee3722405f4b7a571b939cb
>     "UBUNTU: Ubuntu-bluefield-5.15.0-1009.11"
>
> Signed-off-by: David Thompson <davthompson at nvidia.com>
> Signed-off-by: Asmaa Mnebhi <asmaa at nvidia.com>
>
> David Thompson (4):
>   UBUNTU: SAUCE: mlxbf_gige: add MDIO support for BlueField-3
>   UBUNTU: SAUCE: mlxbf_gige: support 10M/100M/1G speeds on BlueField-3
>   UBUNTU: SAUCE: mlxbf_gige: add BlueField-3 Serdes configuration
>   UBUNTU: SAUCE: mlxbf_gige: add BlueField-3 ethtool_ops
>
>  .../net/ethernet/mellanox/mlxbf_gige/Makefile |    3 +-
>  .../ethernet/mellanox/mlxbf_gige/mlxbf_gige.h |   34 +-
>  .../mellanox/mlxbf_gige/mlxbf_gige_ethtool.c  |   17 +-
>  .../mellanox/mlxbf_gige/mlxbf_gige_main.c     |  193 ++-
>  .../mellanox/mlxbf_gige/mlxbf_gige_mdio.c     |  185 +--
>  .../mellanox/mlxbf_gige/mlxbf_gige_mdio_bf2.h |   53 +
>  .../mellanox/mlxbf_gige/mlxbf_gige_mdio_bf3.h |   54 +
>  .../mellanox/mlxbf_gige/mlxbf_gige_regs.h     |   22 +
>  .../mellanox/mlxbf_gige/mlxbf_gige_uphy.c     | 1191 +++++++++++++++++
>  .../mellanox/mlxbf_gige/mlxbf_gige_uphy.h     |  398 ++++++
>  10 files changed, 2029 insertions(+), 121 deletions(-)
>  create mode 100644 drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio_bf2.h
>  create mode 100644 drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio_bf3.h
>  create mode 100644 drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_uphy.c
>  create mode 100644 drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_uphy.h
>
> --
> 2.30.1