[dpdk-dev] [PATCH v10 26/26] doc: update doc for VFD
wenzhuo.lu at intel.com
Tue Jan 17 01:35:42 CET 2017
> -----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:
> 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
Sure. Will update the doc with a v11.
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