[lwip-devel] [patch #8994] dhcp: add support for vendor specific options 43 and 60

[Jan Breuer]

Follow-up Comment #5, patch #8994 (project lwip):

Yes, there is no retry and it will be lost.
Problem is, that passing just pbuf in callback is not much user friendly
outside lwip core but still ok. Passing also offset and length is something, I
would like to avoid. Somebody can also call pbuf_coalesce in the callback and
I think that it will break dhcp code. It forces dhcp to pass it as const
pbuf.

Calling mem_calloc is also not good solution.

Is there any other possibility to pass larger buffer to user callback. Is
there something already in LwIP so I can take inspiration?


Problem of shared vendor_class_identifier is, that we already have in-house
proprietary dhcpv6. I can't push it upstream (sad). So, this is just my
egoistic need to have one field for both.

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