[PATCH v1] doc: add known issue in i40e guide

[Zhang, Yuying]

Hi,

> -----Original Message-----
> From: Yang, SteveX <stevex.yang at intel.com>
> Sent: Thursday, July 28, 2022 5:08 PM
> To: dev at dpdk.org
> Cc: Zhang, Yuying <yuying.zhang at intel.com>; Xing, Beilei
> <beilei.xing at intel.com>; Yang, Qiming <qiming.yang at intel.com>; Yang, SteveX
> <stevex.yang at intel.com>
> Subject: [PATCH v1] doc: add known issue in i40e guide

Specify the detail of this known issue in the title. Add key words such as "vlan filter" and "vf"'.

> 
> Add a known issue: configuring VLAN filters from VF is unsupported for driver
> 2.17.15.
> 
> Signed-off-by: Steve Yang <stevex.yang at intel.com>
> ---
>  doc/guides/nics/i40e.rst | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/doc/guides/nics/i40e.rst b/doc/guides/nics/i40e.rst index
> 4875774346..abb99406b3 100644
> --- a/doc/guides/nics/i40e.rst
> +++ b/doc/guides/nics/i40e.rst
> @@ -731,6 +731,13 @@ Vlan strip of VF
> 
>  The VF vlan strip function is only supported in the i40e kernel driver >= 2.1.26.
> 
> +Vlan filtering of VF
> +~~~~~~~~~~~~~~~~~~~~
> +
> +For i40e driver 2.17.15, configuring VLAN filters from the DPDK VF is
> unsupported.
> +Workaround: When applying VLAN filters on the VF it must first be
> +configured from the corresponding PF.

Delete " Workaround".

> +
>  DCB function
>  ~~~~~~~~~~~~
> 
> --
> 2.25.1