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Re: [lwip-users] New to lwip. How should I do with LINK_DOWN Event?
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From: |
Simon Goldschmidt |
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Subject: |
Re: [lwip-users] New to lwip. How should I do with LINK_DOWN Event? |
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Date: |
Fri, 11 Nov 2011 19:00:41 +0100 |
"east3" <address@hidden> wrote:
> Hello,
> I am writing a driver for my NIC, but I do not know how to do with
> link down event.
> My driver return ERR_IF from netif->linkoutput when link is down, and
> it seems work.
> But is this the correct way?
Yes, that's correct. Additionally, you should call netif_set_link_up and
netif_set_link_down when the link comes or goes. This ensures that on turning
link, DHCP or AutoIP are restarted.
Simon