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From: Greg KH <gregkh@linuxfoundation.org>
To: Dexuan Cui <decui@microsoft.com>
Cc: "olaf@aepfle.de" <olaf@aepfle.de>,
	Richard Weinberger <richard.weinberger@gmail.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"jasowang@redhat.com" <jasowang@redhat.com>,
	"driverdev-devel@linuxdriverproject.org" 
	<driverdev-devel@linuxdriverproject.org>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Thomas Shao <huishao@microsoft.com>,
	"Yue Zhang (OSTC DEV)" <yuezha@microsoft.com>,
	David Miller <davem@davemloft.net>
Subject: Re: [PATCH] Hyperv: Trigger DHCP renew after host hibernation
Date: Fri, 8 Aug 2014 06:45:49 -0700	[thread overview]
Message-ID: <20140808134549.GD4427@kroah.com> (raw)
In-Reply-To: <EE124450C0AAF944A40DD71E61F878C991569A@SINEX14MBXC417.southpacific.corp.microsoft.com>

On Fri, Aug 08, 2014 at 08:11:20AM +0000, Dexuan Cui wrote:
> > From: Greg KH [mailto:gregkh@linuxfoundation.org]
> > Sent: Friday, August 8, 2014 11:32 AM
> > > Hi Richard and all,
> > >
> > > IMO the most feasible and need-the-least-change solution may be:
> > > the hyperv network VSC driver passes the event
> > > RNDIS_STATUS_NETWORK_CHANGE to the udev daemon?
> > >
> > > In this way, every distro only needs to add a udev rule, which should
> > > be simple.
> > 
> > No, don't do that, again, act like any other network device, drop the
> > link and bring it up when it comes back.
> > 
> > greg k-h
> 
> Hi Greg,
> Thanks for the comment!
> 
> Do you mean tearing down the net device and re-creating it (by
> register_netdev() and unregister_netdev)?

No, don't you have link-detect for your network device?  Toggle that, I
thought patches to do this were posted a while ago...

But if you really want to tear the whole network device down and then
back up again, sure, that would also work.

good luck,

greg k-h

  reply	other threads:[~2014-08-08 13:46 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-18 10:55 [PATCH] Hyperv: Trigger DHCP renew after host hibernation Yue Zhang
2014-07-18 10:13 ` Varka Bhadram
2014-07-21  2:45   ` Yue Zhang (OSTC DEV)
2014-07-18 13:40 ` Richard Weinberger
2014-07-21  2:44   ` Yue Zhang (OSTC DEV)
2014-07-21  6:55     ` Richard Weinberger
2014-07-21  8:05       ` Yue Zhang (OSTC DEV)
2014-07-21  8:17         ` Richard Weinberger
2014-07-21  8:44           ` Yue Zhang (OSTC DEV)
2014-07-21  9:01             ` Richard Weinberger
2014-07-21  9:18               ` Olaf Hering
2014-07-21 21:32                 ` David Miller
2014-08-07 22:37                   ` Richard Weinberger
2014-08-08  3:13                     ` Dexuan Cui
2014-08-08  3:32                       ` Greg KH
2014-08-08  8:11                         ` Dexuan Cui
2014-08-08 13:45                           ` Greg KH [this message]
2014-08-11  3:23                             ` Dexuan Cui
2014-08-11  3:51                               ` Florian Fainelli
2014-08-11  4:22                                 ` Bill Fink
2014-08-12  7:51                                   ` Dexuan Cui
2014-08-12  7:48                                 ` Dexuan Cui
2014-08-11 10:45                               ` Tom Gundersen
2014-08-12  8:29                                 ` Dexuan Cui
2014-08-13 13:15                                   ` Tom Gundersen
2014-08-13 13:34                                     ` Dan Williams
2014-08-14  5:19                                       ` Dexuan Cui
2014-08-11  3:29                             ` Dexuan Cui
2014-07-21  9:42 ` Tom Gundersen
2014-07-21 10:21   ` Yue Zhang (OSTC DEV)
2014-07-21 13:11     ` Lennart Poettering
2014-07-21 17:17       ` Dan Williams
2014-07-21 14:06     ` Tom Gundersen

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