> -----Original Message-----
> From: Zhang, Qi Z <[email protected]>
> Sent: 2022年12月13日 9:41
> To: Ye, MingjinX <[email protected]>; [email protected]
> Cc: Yang, Qiming <[email protected]>; [email protected]; Zhou, YidingX
> <[email protected]>; Jie Zhou <[email protected]>; Menon, Ranjit
> <[email protected]>; Ferruh Yigit <[email protected]>; Kadam,
> Pallavi <[email protected]>
> Subject: RE: [PATCH v6] doc: add PMD known issue
>
>
>
> > -----Original Message-----
> > From: Ye, MingjinX <[email protected]>
> > Sent: Monday, November 21, 2022 10:55 AM
> > To: [email protected]
> > Cc: Yang, Qiming <[email protected]>; [email protected]; Zhou,
> > YidingX <[email protected]>; Ye, MingjinX
> > <[email protected]>; Zhang, Qi Z <[email protected]>; Jie Zhou
> > <[email protected]>; Menon, Ranjit <[email protected]>; Ferruh
> > Yigit <[email protected]>; Kadam, Pallavi
> > <[email protected]>
> > Subject: [PATCH v6] doc: add PMD known issue
> >
> > Add a known issue: Rx path dynamic routing is not supported for PMD.
> >
> > Fixes: de853a3bb151 ("net/ice: disable DDP package on Windows")
> > Cc: [email protected]
> >
> > Signed-off-by: Mingjin Ye <[email protected]>
> > ---
> > doc/guides/nics/ice.rst | 17 +++++++++++++++++
> > 1 file changed, 17 insertions(+)
> >
> > diff --git a/doc/guides/nics/ice.rst b/doc/guides/nics/ice.rst index
> > ce075e067c..60fd7834ed 100644
> > --- a/doc/guides/nics/ice.rst
> > +++ b/doc/guides/nics/ice.rst
> > @@ -395,3 +395,20 @@ file is used by both the kernel driver and the
> > DPDK PMD.
> >
> > Windows support: The DDP package is not supported on Windows so,
> > loading of the package is disabled on Windows.
> > +
> > +ice: Rx path is not supported after PF or DCF add vlan offload
> >
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ~~~~
> > ~
> > +
> > +If pmd does not enable Vlan offload during initialization, it will
> > +automatically select Rx paths that do not support offload. Even if
> > +Vlan offload is subsequently enabled through the API, Vlan offload
> > +will not work because the selected Rx path does not support Vlan offload.
> > +
> > +Rx path dynamic routing is not supported. When the offload features
> > +is switched, the queue needs to be reconfigured, then takes effect.
> > +It would take additional workload for the network card to deal with.
>
> If offload features is switched, we need to re-configure the queue, this does
> not looks like a limitation.
Lihuisong<[email protected]> thinks this is a limitation, and Andrew
Rybchenko <[email protected]> agrees.
> Better to describe this from APIs calls
I will add a description.
>
> > +
> > +When applying VLAN offload on the PF or DCF, it must be configured
> > +firstly by the startup parameters.
>
> Better to explain what is the startup parameter precisely.
I will add a description of the startup parameters.
>
> > +
> > --
> > 2.34.1
