netdev - Re: question: Any way to trigger DHCP renewal from kernel code?

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Message-ID: <537E9B27.8050800@gmail.com>
Date:	Thu, 22 May 2014 20:49:43 -0400
From:	Vlad Yasevich <vyasevich@...il.com>
To:	Haiyang Zhang <haiyangz@...rosoft.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: question: Any way to trigger DHCP renewal from kernel code?

On 05/22/2014 06:24 PM, Haiyang Zhang wrote:
> Hi,
> 
> Our synthetic network driver is notified when the Hyper-V host 
> resume from sleep/hibernation. We need to renew DHCP in this case.
> I'm looking for a way to trigger DHCP renewal from kernel mode 
> code.
> 
> Can anyone help me?

One idea:

Generate a udev event and a udev rule that triggers a renew when
event is received.

-vlad

> 
> Thanks,
> - Haiyang
> 
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