Re: [dpdk-dev] [PATCH v2 0/7] add Intel DCF PMD support

["Stillwell Jr, Paul M" <paul.m.stillwell.jr@intel.com>]

I'm confused. Shouldn't the DCF be a separate driver since it is a VF, not part of a PF? You are starting to combine PF/VF code and I'm not sure if that is the correct way to go.

Paul

> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Haiyue Wang
> Sent: Monday, March 9, 2020 11:50 PM
> To: dev@dpdk.org; Ye, Xiaolong <xiaolong.ye@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>; Yang, Qiming <qiming.yang@intel.com>; Xing, Beilei
> <beilei.xing@intel.com>
> Cc: Zhao1, Wei <wei.zhao1@intel.com>; Wang, Haiyue
> <haiyue.wang@intel.com>
> Subject: [dpdk-dev] [PATCH v2 0/7] add Intel DCF PMD support
> 
> A DCF (Device Config Function) based approach is proposed where a device
> bound to the device's VF0 can act as a sole controlling entity to exercise
> advance functionality (such as switch, ACL) for rest of the VFs.
> 
> The DCF works as a standalone PMD to support this function, which shares
> the ice PMD flow control core function and the iavf virtchnl mailbox core
> module.
> 
> This patchset is based on:
> [1] https://patchwork.dpdk.org/cover/66417/ : update ice base code [2]
> https://patchwork.dpdk.org/cover/66472/ : iavf share code update
> 
> Depends-on: series-8843
> Depends-on: series-8855
> 
> v2:
>    1. update the iavf patchset link.
>    2. split more patches for making this work be more understandable
>    3. fix the log function usage, devargs checking from v1.
> 
> Haiyue Wang (7):
>   net/iavf: stop the PCI probe in DCF mode
>   net/ice: add the DCF hardware initialization
>   net/ice: initiate to acquire the DCF capability
>   net/ice: handle the AdminQ command by DCF
>   net/ice: export the DDP definition symbols
>   net/ice: handle the PF initialization by DCF
>   net/ice: get the VF hardware index in DCF
> 
>  doc/guides/nics/ice.rst                |  47 ++
>  doc/guides/nics/img/ice_dcf.png        | Bin 0 -> 39168 bytes
>  doc/guides/rel_notes/release_20_05.rst |   5 +
>  drivers/common/Makefile                |   1 +
>  drivers/net/iavf/iavf_ethdev.c         |  43 ++
>  drivers/net/ice/Makefile               |   6 +
>  drivers/net/ice/ice_dcf.c              | 651 +++++++++++++++++++++++++
>  drivers/net/ice/ice_dcf.h              |  61 +++
>  drivers/net/ice/ice_dcf_ethdev.c       | 321 ++++++++++++
>  drivers/net/ice/ice_dcf_ethdev.h       |  33 ++
>  drivers/net/ice/ice_dcf_parent.c       | 344 +++++++++++++
>  drivers/net/ice/ice_ethdev.c           |   9 +-
>  drivers/net/ice/ice_ethdev.h           |   8 +
>  drivers/net/ice/meson.build            |   8 +-
>  mk/rte.app.mk                          |   1 +
>  15 files changed, 1528 insertions(+), 10 deletions(-)  create mode 100644
> doc/guides/nics/img/ice_dcf.png  create mode 100644
> drivers/net/ice/ice_dcf.c  create mode 100644 drivers/net/ice/ice_dcf.h
> create mode 100644 drivers/net/ice/ice_dcf_ethdev.c  create mode 100644
> drivers/net/ice/ice_dcf_ethdev.h  create mode 100644
> drivers/net/ice/ice_dcf_parent.c
> 
> --
> 2.25.1