Re: [lwip-users] DHCP: IF not connected on power up

[Simon Goldschmidt]

"Bernhard \'Gustl\' Bauer" wrote:
> > Instead, you should monitor your PHY and when it detects a link, call
> > dhcp_start (or dhcp_reboot?). This ensures that the time from
> > plugging the cable to getting an IP address is (nearly) constant.
> 
> I will do so. Is there already a structure in LWIP to show a linked PHY 
> or do you plan to add one. I'd like to be compatible.

Call netif_set_link_up() / netif_set_link_down() from your driver, use 
netif_set_link_callback() to let your application get informed of these changes 
and in the callback you registered, call dhcp_renew(), that should be it.

Simon
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