On Fri, Jan 13, 2023 at 2:51 PM Zhang, Helin <[email protected]> wrote:
>
>
>
> > -----Original Message-----
> > From: David Marchand <[email protected]>
> > Sent: Friday, January 13, 2023 9:47 PM
> > To: Zhang, Helin <[email protected]>
> > Cc: Zhang, Yuying <[email protected]>; Xing, Beilei
> > <[email protected]>; Mcnamara, John <[email protected]>;
> > [email protected]; [email protected]; Zhang, Qi Z <[email protected]>;
> > Dapeng Yu <[email protected]>; Wenxuan Wu
> > <[email protected]>
> > Subject: Re: [PATCH v2] net/i40e: don't check link status on device start
> >
> > On Fri, Jan 13, 2023 at 2:39 PM Zhang, Helin <[email protected]> wrote:
> > >
> > >
> > >
> > > > -----Original Message-----
> > > > From: David Marchand <[email protected]>
> > > > Sent: Friday, January 13, 2023 9:33 PM
> > > > To: Zhang, Yuying <[email protected]>; Xing, Beilei
> > > > <[email protected]>; Mcnamara, John <[email protected]>
> > > > Cc: [email protected]; [email protected]; Zhang, Qi Z
> > > > <[email protected]>; Dapeng Yu <[email protected]>; Wenxuan
> > Wu
> > > > <[email protected]>
> > > > Subject: Re: [PATCH v2] net/i40e: don't check link status on device
> > > > start
> > > >
> > > > Hello i40e maintainers, John,
> > > >
> > > > On Mon, Jan 9, 2023 at 10:21 AM David Marchand
> > > > <[email protected]> wrote:
> > > > > On Tue, Jan 3, 2023 at 3:02 PM David Marchand
> > > > <[email protected]> wrote:
> > > > > > Hi i40e maintainers,
> > > > > >
> > > > > > On Tue, Dec 13, 2022 at 10:19 AM David Marchand
> > > > > > <[email protected]> wrote:
> > > > > > >
> > > > > > > The mentioned changes broke existing applications when the
> > > > > > > link status of i40e ports is down at the time the port is started.
> > > > > > > Revert those changes, the original issue will need a different 
> > > > > > > fix.
> > > Hi David
> > >
> > > Does it break all the application or just a specific application?
> >
> > I don't see how it would not affect all applications seeing how the original
> > patch is dumb.
> >
> > > We may need to understand the issue you met, and try to fix it later.
> >
> > Just unplug the cable or fake a link down on your i40e port, start your
> > application or port, then plug the cable back.
> > The max frame size will never get applied to hw.
> Got it, I will forward to a right expert to check. Thank you very much for 
> reaching out to us!

I hope I get a reply _soon_.
Or I will just apply those reverts.


Thanks.

-- 
David Marchand

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