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

Wang, Haiyue haiyue.wang at intel.com
Fri Mar 13 17:25:25 CET 2020


Hi Paul,

Yes, it's VF (VF hardware initialization like virtchnl). But the flow setting is the
ice PF AdminQ message, so the DCF shares most of ice PMD flow control.

BR,
Haiyue

> -----Original Message-----
> From: Stillwell Jr, Paul M <paul.m.stillwell.jr at intel.com>
> Sent: Saturday, March 14, 2020 00:19
> To: Wang, Haiyue <haiyue.wang at intel.com>; dev at dpdk.org; Ye, Xiaolong <xiaolong.ye at intel.com>; Zhang,
> Qi Z <qi.z.zhang at intel.com>; Yang, Qiming <qiming.yang at intel.com>; Xing, Beilei <beilei.xing at intel.com>
> Cc: Zhao1, Wei <wei.zhao1 at intel.com>; Wang, Haiyue <haiyue.wang at intel.com>
> Subject: RE: [dpdk-dev] [PATCH v2 0/7] add Intel DCF PMD support
> 
> 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 at dpdk.org> On Behalf Of Haiyue Wang
> > Sent: Monday, March 9, 2020 11:50 PM
> > To: dev at dpdk.org; Ye, Xiaolong <xiaolong.ye at intel.com>; Zhang, Qi Z
> > <qi.z.zhang at intel.com>; Yang, Qiming <qiming.yang at intel.com>; Xing, Beilei
> > <beilei.xing at intel.com>
> > Cc: Zhao1, Wei <wei.zhao1 at intel.com>; Wang, Haiyue
> > <haiyue.wang at 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
> 



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