Re: [dpdk-dev] [PATCH v8 0/3] i40e: Add floating VEB support for i40e

[Stephen Hemminger <stephen@networkplumber.org>]

On Wed, 25 May 2016 01:28:03 +0800
Zhe Tao <zhe.tao@intel.com> wrote:

> This patch-set add the support for floating VEB in i40e.
> All the VFs VSIs can decide whether to connect to the legacy VEB/VEPA or
> the floating VEB. When connect to the floating VEB a new floating VEB is
> created. Now all the VFs need to connect to floating VEB or legacy VEB,
> cannot connect to both of them. The PF and VMDQ,FD VSIs connect to
> the old legacy VEB/VEPA.
> 
> All the VEB/VEPA concepts are not specific for FVL, they are defined in the
> 802.1Qbg spec.
> 
> This floating VEB only take effects on the specific version F/W.
> 
> Zhe Tao (3):
>   Support floating VEB config
>   Add floating VEB support in i40e
>   Add floating VEB extention support for i40e
> 
>  doc/guides/nics/i40e.rst               |  10 ++
>  doc/guides/rel_notes/release_16_07.rst |   6 +
>  drivers/net/i40e/i40e_ethdev.c         | 205 +++++++++++++++++++++++++++++----
>  drivers/net/i40e/i40e_ethdev.h         |   9 ++
>  drivers/net/i40e/i40e_pf.c             |  12 +-
>  5 files changed, 219 insertions(+), 23 deletions(-)
> 
> V2: Added the release notes and changed commit log. 
> V3: Changed the VSI release operation. 
> V4: Added the FW version check otherwise it will cause the segment fault.
> V5: Edited the code for new share code APIs
> V6: Changed the floating VEB configuration method 
> V7: Added global reset for i40e 
> V7: removed global reset and added floating VEB extension support 
> 

kvargs are a very awkward API to use in a portable application.
Good for Intel testing NIC's bad for DPDK users.