net: ip: net_pkt: Implement net_pkt_shallow_clone

This commit implements net_pkt_shallow_clone. A shallow clone clones
the net_pkt but not the buffers. The buffers are only referenced and
therefor only freed when both copies of the net_pkt are freed.

Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
2 files changed