[lwip-devel] [task #7017] Implement DNS client

[Simon Goldschmidt]

Follow-up Comment #42, task #7017 (project lwip):

> I have add an assert if the recv DNS response doesn't fit in one pbuf

I think we should rather solve that part differently. As it is now, it
implies a PBUF_POOL bufsize of 512 minimum when LWIP_DNS is turned on, which
is quite wasteful when receiving e.g. TCP ACK packets with only 64 bytes...

> same problem with DHCP

That would be bad!

> I'm not sure this is something to fix, but, I put it in the todo list.

What do you mean with that? If that problem exists, I think it should be
fixed! PBUF_POOL should allowed to be smaller than 512, even with DHCP and DNS
turned on!

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