[dpdk-dev] [PATCH v10 26/26] doc: update doc for VFD

Lu, Wenzhuo wenzhuo.lu at intel.com
Tue Jan 17 01:35:42 CET 2017


Hi Thomas,


> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Monday, January 16, 2017 6:05 PM
> To: Lu, Wenzhuo
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v10 26/26] doc: update doc for VFD
> 
> 2017-01-16 13:51, Wenzhuo Lu:
> > --- a/doc/guides/rel_notes/release_17_02.rst
> > +++ b/doc/guides/rel_notes/release_17_02.rst
> > @@ -66,6 +66,35 @@ New Features
> >    Support for Mellanox ConnectX-5 family of 10/25/40/50/100 Gbps adapters
> >    has been added to the existing mlx5 PMD.
> >
> > +* **Added VF Daemon (VFD) on i40e. - EXPERIMENTAL**
> > +
> > +  This's an EXPERIMENTAL feature to enhance the capability of DPDK PF
> > + as many  VF management features are not supported by kernel PF driver.
> > +  Some new private APIs are implemented in PMD without abstrction layer.
> 
> Typo in abstrction
> 
> > +  They can be used directly by some users who have the need.
> > +
> > +  The new APIs to control VFs directly from PF include,
> > +  1) set VF MAC anti-spoofing
> > +  2) set VF VLAN anti-spoofing
> > +  3) set TX loopback
> > +  4) set VF unicast promiscuous mode
> > +  5) set VF multicast promiscuous mode
> > +  6) set VF MTU
> > +  7) get/reset VF stats
> > +  8) set VF MAC address
> > +  9) set VF VLAN stripping
> > +  10) VF VLAN insertion
> > +  12) set VF broadcast mode
> > +  13) set VF VLAN tag
> > +  14) set VF VLAN filter
> > +  VFD also includes VF to PF mailbox message management by APP.
> > +  When PF receives mailbox messages from VF, PF should call the
> > + callback  provided by APP to know if they're permitted to be processed.
> > +
> > +  As an EXPERIMENTAL feature, please aware it can be changed or even
> > + removed without prior notice.
> 
> It is good to explain things in the release notes, but not sufficient.
> We must explain the DPDK position about PF/VF in the design doc:
> 	http://dpdk.org/doc/guides/contributing/design.html
> 
> It is important to explain that the primary goal of DPDK is to provide a
> userland dataplane. Managing VF from a PF driver is a control plane feature
> and we generally rely on the kernel for that.
> So we continue adding some PF features in DPDK as experimental functions
> but they must be implemented in the kernel with the same messaging
> interface.
Sure. Will update the doc with a v11.



More information about the dev mailing list