>AFAIK, we can't copy-paste code from Linux kernel.

>As you noted it is under GPL, while DPDK is under BSD-3 license.
Well, I'll rewrite the code.


>Library routine has no idea would original IP packet will be used later or not.
>In your particular case it might be not needed, but there might be other usages,
>that do use it (logging, send un-fragmented via other port, etc.).
>So I think we have to preserve original behaviour.
Ok,I will preserve original.