Re: [PATCH v2 0/6] Add FDMA support on ocelot switch driver

[Denis Kirjanov]

11/3/21 12:19 PM, Clément Léger пишет:
> This series adds support for the Frame DMA present on the VSC7514
> switch. The FDMA is able to extract and inject packets on the various
> ethernet interfaces present on the switch.
>
> While adding FDMA support, bindings were switched from .txt to .yaml
> and MAC address reading from device-tree was added for testing
> purposes. Jumbo frame support was also added since it gives a large
> performance improvement with FDMA.

The series should be prefixed with net-next

> ------------------
> Changes in V2:
> - Read MAC for each port and not as switch base MAC address
> - Add missing static for some functions in ocelot_fdma.c
> - Split change_mtu from fdma commit
> - Add jumbo support for register based xmit
> - Move precomputed header into ocelot_port struct
> - Remove use of QUIRK_ENDIAN_LITTLE due to misconfiguration for tests
> - Remove fragmented packet sending which has not been tested
>
> Clément Léger (6):
>    net: ocelot: add support to get port mac from device-tree
>    dt-bindings: net: convert mscc,vsc7514-switch bindings to yaml
>    net: ocelot: pre-compute injection frame header content
>    net: ocelot: add support for ndo_change_mtu
>    net: ocelot: add FDMA support
>    net: ocelot: add jumbo frame support for FDMA
>
>   .../bindings/net/mscc,vsc7514-switch.yaml     | 184 +++++
>   .../devicetree/bindings/net/mscc-ocelot.txt   |  83 --
>   drivers/net/ethernet/mscc/Makefile            |   1 +
>   drivers/net/ethernet/mscc/ocelot.c            |  23 +-
>   drivers/net/ethernet/mscc/ocelot.h            |   3 +
>   drivers/net/ethernet/mscc/ocelot_fdma.c       | 754 ++++++++++++++++++
>   drivers/net/ethernet/mscc/ocelot_fdma.h       |  60 ++
>   drivers/net/ethernet/mscc/ocelot_net.c        |  37 +-
>   drivers/net/ethernet/mscc/ocelot_vsc7514.c    |  15 +
>   include/soc/mscc/ocelot.h                     |   7 +
>   10 files changed, 1075 insertions(+), 92 deletions(-)
>   create mode 100644 Documentation/devicetree/bindings/net/mscc,vsc7514-switch.yaml
>   delete mode 100644 Documentation/devicetree/bindings/net/mscc-ocelot.txt
>   create mode 100644 drivers/net/ethernet/mscc/ocelot_fdma.c
>   create mode 100644 drivers/net/ethernet/mscc/ocelot_fdma.h