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...@intel.com> > Sent: Saturday, March 14, 2020 00:19 > To: Wang, Haiyue <haiyue.w...@intel.com>; dev@dpdk.org; Ye, Xiaolong > <xiaolong...@intel.com>; Zhang, > Qi Z <qi.z.zh...@intel.com>; Yang, Qiming <qiming.y...@intel.com>; Xing, > Beilei <beilei.x...@intel.com> > Cc: Zhao1, Wei <wei.zh...@intel.com>; Wang, Haiyue <haiyue.w...@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-boun...@dpdk.org> On Behalf Of Haiyue Wang > > Sent: Monday, March 9, 2020 11:50 PM > > To: dev@dpdk.org; Ye, Xiaolong <xiaolong...@intel.com>; Zhang, Qi Z > > <qi.z.zh...@intel.com>; Yang, Qiming <qiming.y...@intel.com>; Xing, Beilei > > <beilei.x...@intel.com> > > Cc: Zhao1, Wei <wei.zh...@intel.com>; Wang, Haiyue > > <haiyue.w...@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 >
