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From: "Zhang, Helin" <helin.zhang@intel.com>
To: David Marchand <david.marchand@redhat.com>
Cc: "Zhang, Yuying" <yuying.zhang@intel.com>,
	"Xing, Beilei" <beilei.xing@intel.com>,
	"Mcnamara, John" <john.mcnamara@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"stable@dpdk.org" <stable@dpdk.org>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>,
	Dapeng Yu <dapengx.yu@intel.com>,
	Wenxuan Wu <wenxuanx.wu@intel.com>
Subject: RE: [PATCH v2] net/i40e: don't check link status on device start
Date: Fri, 13 Jan 2023 13:50:49 +0000	[thread overview]
Message-ID: <MN0PR11MB6087A55E0EA3FABCE807C7DCFDC29@MN0PR11MB6087.namprd11.prod.outlook.com> (raw)
In-Reply-To: <CAJFAV8w8BBGY_nFN8boxeqj++OBfq3yiXoQADexPM=Y77v5iwg@mail.gmail.com>



> -----Original Message-----
> From: David Marchand <david.marchand@redhat.com>
> Sent: Friday, January 13, 2023 9:47 PM
> To: Zhang, Helin <helin.zhang@intel.com>
> Cc: Zhang, Yuying <yuying.zhang@intel.com>; Xing, Beilei
> <beilei.xing@intel.com>; Mcnamara, John <john.mcnamara@intel.com>;
> dev@dpdk.org; stable@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>;
> Dapeng Yu <dapengx.yu@intel.com>; Wenxuan Wu
> <wenxuanx.wu@intel.com>
> 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 <helin.zhang@intel.com> wrote:
> >
> >
> >
> > > -----Original Message-----
> > > From: David Marchand <david.marchand@redhat.com>
> > > Sent: Friday, January 13, 2023 9:33 PM
> > > To: Zhang, Yuying <yuying.zhang@intel.com>; Xing, Beilei
> > > <beilei.xing@intel.com>; Mcnamara, John <john.mcnamara@intel.com>
> > > Cc: dev@dpdk.org; stable@dpdk.org; Zhang, Qi Z
> > > <qi.z.zhang@intel.com>; Dapeng Yu <dapengx.yu@intel.com>; Wenxuan
> Wu
> > > <wenxuanx.wu@intel.com>
> > > 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
> > > <david.marchand@redhat.com> wrote:
> > > > On Tue, Jan 3, 2023 at 3:02 PM David Marchand
> > > <david.marchand@redhat.com> wrote:
> > > > > Hi i40e maintainers,
> > > > >
> > > > > On Tue, Dec 13, 2022 at 10:19 AM David Marchand
> > > > > <david.marchand@redhat.com> 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!

Regards,
Helin
> 
> 
> --
> David Marchand


  reply	other threads:[~2023-01-13 13:50 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-07  8:59 [PATCH] net/i40e: enable max frame size at port level dapengx.yu
     [not found] ` <BYAPR11MB2711AB91F380189FB6AFCC52FE359@BYAPR11MB2711.namprd11.prod.outlook.com>
     [not found]   ` <BYAPR11MB27110434B9262C0E2BED3AD3FE3A9@BYAPR11MB2711.namprd11.prod.outlook.com>
2022-02-21  9:28     ` Zhang, Peng1X
2022-02-21 10:42     ` Zhang, Peng1X
2022-02-21 11:22       ` Zhang, Qi Z
2022-02-22  9:52         ` Kevin Traynor
2022-12-12 13:53 ` David Marchand
2022-12-12 13:58   ` David Marchand
2022-12-12 14:37     ` [PATCH] net/i40e: drop link check when configuring frame size David Marchand
2022-12-13  9:18       ` [PATCH v2] net/i40e: don't check link status on device start David Marchand
2023-01-03 14:02         ` David Marchand
2023-01-09  9:21           ` David Marchand
2023-01-13 13:33             ` David Marchand
2023-01-13 13:39               ` Zhang, Helin
2023-01-13 13:46                 ` David Marchand
2023-01-13 13:50                   ` Zhang, Helin [this message]
2023-01-13 13:53                     ` David Marchand
2023-01-16 11:02                       ` Su, Simei
2023-02-07 11:31                         ` Thomas Monjalon
2023-02-07 14:05                           ` Su, Simei
2023-03-06  6:53         ` Su, Simei
2023-03-06 11:05           ` Zhang, Qi Z

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