From: Stephen Hemminger <stephen@networkplumber•org>
To: Greg KH <gregkh@linuxfoundation•org>
Cc: "driverdev-devel@linuxdriverproject•org\"
<driverdev-devel@linuxdriverproject•org>,
Haiyang Zhang <haiyangz@microsoft•com>,
LKML <linux-kernel@vger•kernel.org>,
Thomas Shao <huishao@microsoft•com>,
"@osuosl.org, "olaf@aepfle•de" <olaf@aepfle•de>,
Yue@osuosl•org, Richard Weinberger <richard.weinberger@gmail•com>,
"netdev@vger•kernel.org" <netdev@vger•kernel.org>,
"jasowang@redhat•com" <jasowang@redhat•com>,
OSTC DEV <" <yuezha@microsoft•com>,
David Miller <davem@davemloft.net>"@osuosl.org>,
Zhang@osuosl•org
Subject: Re: [PATCH] Hyperv: Trigger DHCP renew after host hibernation
Date: Fri, 8 Aug 2014 09:28:42 -0700 [thread overview]
Message-ID: <20140808092842.5602afe1@haswell.linuxnetplumber.net> (raw)
In-Reply-To: <20140808134549.GD4427@kroah.com>
On Fri, 8 Aug 2014 06:45:49 -0700
Greg KH <gregkh@linuxfoundation•org> wrote:
> 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
> --
> To unsubscribe from this list: send the line "unsubscribe netdev" in
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Call netif_carrier_off then netif_carrier_on to toggle the link detect
state of netdevice.
next prev parent reply other threads:[~2014-08-08 16:28 UTC|newest]
Thread overview: 34+ 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
2014-08-08 16:28 ` Stephen Hemminger [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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