How to use TCP checksum offloading for raw sockets. I can see rx/tx checksumming as enabled using ethool.
But packets send out from machine have IP/UDP checksum as zero only. While making packet I am making checksum value in IP/UDP header as zero.
No new value updated in checksum.
>ethtool -k eth0
Offload parameters for eth0:
rx-checksumming: on
tx-checksumming: on
scatter-gather: on
tcp-segmentation-offload: on
udp-fragmentation-offload: off
generic-segmentation-offload: on
generic-receive-offload: off
large-receive-offload: off
Cheers
Mukesh
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