Checksum Offload on the NIC(s) can complicate things. First, if you are tracing
on the sender, the tracepoint is before the NIC has computed the full checksum.
IIRC only a partial checksum is passed-down to the NIC when CKO is in use.
So, making certain your trace is from the "wire" or the re
Hi All,
I have dome some changes in the code. Now instead of calculating the
TCP checksum from scratch, I was just recalculating it by incremental
update as mentioned in RFC 1624. Good thing is that now I was able to
get the correct IP header checksum but still TCP checksum value is
corrupted. Int
