[lwip-devel] [bug #20409] Add netif callback function for link change event

[Frédéric Bernon]

Follow-up Comment #22, bug #20409 (project lwip):

Comment#17

>I personally like the idea of making it mandatory, because having lwIP
respond to changes in link is a desirable thing. Saying "users upgrading to
lwIP 1.3 need to be aware of the following changes" is not a bad thing, and I
believe this could be a reasonable thing to require users to address. 

But made mandatory something we wasn't need to users until now if not a good
solution.

About DHCP, I think dhcp_release is not the good function to call, since it
try to inform the DHCP server. I not look for another one, but I think it
exists...


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