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Date: Fri, 8 Aug 2014 06:45:49 -0700 From: Greg KH <gregkh@...uxfoundation.org> To: Dexuan Cui <decui@...rosoft.com> Cc: "olaf@...fle.de" <olaf@...fle.de>, Richard Weinberger <richard.weinberger@...il.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "jasowang@...hat.com" <jasowang@...hat.com>, "driverdev-devel@...uxdriverproject.org" <driverdev-devel@...uxdriverproject.org>, Haiyang Zhang <haiyangz@...rosoft.com>, LKML <linux-kernel@...r.kernel.org>, Thomas Shao <huishao@...rosoft.com>, "Yue Zhang (OSTC DEV)" <yuezha@...rosoft.com>, David Miller <davem@...emloft.net> Subject: Re: [PATCH] Hyperv: Trigger DHCP renew after host hibernation On Fri, Aug 08, 2014 at 08:11:20AM +0000, Dexuan Cui wrote: > > From: Greg KH [mailto:gregkh@...uxfoundation.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 the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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